From beba715b97dd2349e01dde9b077d2535680ebdca Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 May 2023 08:44:58 +0200 Subject: Merging upstream version 12.2.0. Signed-off-by: Daniel Baumann --- CHANGELOG.md | 70 + README.md | 7 +- docs/search.js | 2 +- docs/sqlglot.html | 467 +- docs/sqlglot/dataframe/sql.html | 38 +- docs/sqlglot/dialects.html | 14 +- docs/sqlglot/dialects/bigquery.html | 1425 +- docs/sqlglot/dialects/clickhouse.html | 3 +- docs/sqlglot/dialects/databricks.html | 92 +- docs/sqlglot/dialects/dialect.html | 1727 +- docs/sqlglot/dialects/drill.html | 102 +- docs/sqlglot/dialects/duckdb.html | 1057 +- docs/sqlglot/dialects/hive.html | 1497 +- docs/sqlglot/dialects/mysql.html | 554 +- docs/sqlglot/dialects/oracle.html | 848 +- docs/sqlglot/dialects/postgres.html | 1372 +- docs/sqlglot/dialects/presto.html | 986 +- docs/sqlglot/dialects/redshift.html | 75 +- docs/sqlglot/dialects/snowflake.html | 776 +- docs/sqlglot/dialects/spark.html | 740 +- docs/sqlglot/dialects/spark2.html | 1271 ++ docs/sqlglot/dialects/sqlite.html | 601 +- docs/sqlglot/dialects/starrocks.html | 60 +- docs/sqlglot/dialects/tableau.html | 78 +- docs/sqlglot/dialects/teradata.html | 244 +- docs/sqlglot/dialects/trino.html | 3 +- docs/sqlglot/dialects/tsql.html | 304 +- docs/sqlglot/executor/python.html | 3 +- docs/sqlglot/expressions.html | 19809 +++++++++++-------- docs/sqlglot/generator.html | 5938 +++--- docs/sqlglot/lineage.html | 2 +- docs/sqlglot/optimizer/annotate_types.html | 8 +- docs/sqlglot/optimizer/eliminate_joins.html | 4 +- docs/sqlglot/optimizer/expand_laterals.html | 8 +- docs/sqlglot/optimizer/normalize.html | 20 +- docs/sqlglot/optimizer/optimizer.html | 248 +- docs/sqlglot/optimizer/qualify_columns.html | 1469 +- docs/sqlglot/optimizer/simplify.html | 1366 +- docs/sqlglot/parser.html | 16436 +++++++-------- docs/sqlglot/tokens.html | 3788 ++-- docs/sqlglot/transforms.html | 504 +- sqlglot/__init__.py | 4 +- sqlglot/dataframe/sql/functions.py | 4 +- sqlglot/dialects/__init__.py | 1 + sqlglot/dialects/bigquery.py | 51 +- sqlglot/dialects/clickhouse.py | 20 +- sqlglot/dialects/databricks.py | 11 +- sqlglot/dialects/dialect.py | 42 +- sqlglot/dialects/drill.py | 3 +- sqlglot/dialects/duckdb.py | 66 +- sqlglot/dialects/hive.py | 45 +- sqlglot/dialects/mysql.py | 3 +- sqlglot/dialects/oracle.py | 13 +- sqlglot/dialects/postgres.py | 18 +- sqlglot/dialects/presto.py | 30 +- sqlglot/dialects/redshift.py | 4 +- sqlglot/dialects/snowflake.py | 4 +- sqlglot/dialects/spark.py | 240 +- sqlglot/dialects/spark2.py | 238 + sqlglot/dialects/sqlite.py | 43 +- sqlglot/dialects/starrocks.py | 1 + sqlglot/dialects/tableau.py | 3 +- sqlglot/dialects/teradata.py | 3 +- sqlglot/dialects/tsql.py | 11 +- sqlglot/expressions.py | 225 +- sqlglot/generator.py | 64 +- sqlglot/optimizer/eliminate_joins.py | 2 +- sqlglot/optimizer/expand_laterals.py | 4 +- sqlglot/optimizer/normalize.py | 2 + sqlglot/optimizer/optimizer.py | 2 - sqlglot/optimizer/qualify_columns.py | 26 +- sqlglot/optimizer/qualify_tables.py | 18 +- sqlglot/optimizer/scope.py | 6 + sqlglot/optimizer/simplify.py | 17 +- sqlglot/parser.py | 121 +- sqlglot/tokens.py | 95 +- sqlglot/transforms.py | 70 +- tests/dataframe/integration/dataframe_validator.py | 6 +- tests/dialects/test_bigquery.py | 38 +- tests/dialects/test_clickhouse.py | 21 + tests/dialects/test_dialect.py | 4 +- tests/dialects/test_duckdb.py | 27 +- tests/dialects/test_mysql.py | 126 +- tests/dialects/test_oracle.py | 18 +- tests/dialects/test_postgres.py | 76 +- tests/dialects/test_presto.py | 45 +- tests/dialects/test_redshift.py | 15 + tests/dialects/test_snowflake.py | 31 +- tests/dialects/test_spark.py | 47 +- tests/dialects/test_starrocks.py | 8 + tests/dialects/test_tsql.py | 12 +- tests/fixtures/identity.sql | 6 + tests/fixtures/optimizer/qualify_columns.sql | 7 + tests/fixtures/optimizer/qualify_tables.sql | 23 + tests/fixtures/optimizer/tpc-ds/tpc-ds.sql | 16 + tests/test_build.py | 19 +- tests/test_expressions.py | 5 +- tests/test_optimizer.py | 13 + tests/test_tokens.py | 11 + tests/test_transpile.py | 17 +- 100 files changed, 35213 insertions(+), 30904 deletions(-) create mode 100644 docs/sqlglot/dialects/spark2.html create mode 100644 sqlglot/dialects/spark2.py diff --git a/CHANGELOG.md b/CHANGELOG.md index 5397e01..d499c14 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,6 +1,72 @@ Changelog ========= +## [v12.1.0] - 2023-05-05 +### :bug: Bug Fixes +- [`0b46fa6`](https://github.com/tobymao/sqlglot/commit/0b46fa69f440e3756266f22c25136efc503209c2) - remove bigquery workaround for values type inference *(commit by [@tobymao](https://github.com/tobymao))* +- [`dfae784`](https://github.com/tobymao/sqlglot/commit/dfae784159499159602b6d518d48f0a501e32e25) - sqlite no table options closes [#1553](https://github.com/tobymao/sqlglot/pull/1553) *(commit by [@tobymao](https://github.com/tobymao))* +- [`aef9cfa`](https://github.com/tobymao/sqlglot/commit/aef9cfa9c4dd29ac637d23737b74b0239f253a84) - double json spark closes [#1547](https://github.com/tobymao/sqlglot/pull/1547) *(commit by [@tobymao](https://github.com/tobymao))* + +### :wrench: Chores +- [`7e5cede`](https://github.com/tobymao/sqlglot/commit/7e5cede6afc906dcb00eaaf5e9061a042f18a912) - cleanup bigquery transform *(commit by [@tobymao](https://github.com/tobymao))* + + +## [v12.0.0] - 2023-05-04 +### :sparkles: New Features +- [`862cbeb`](https://github.com/tobymao/sqlglot/commit/862cbeb2f48ccc004fbc06eacd55b331faeeac9b) - Use alternative transform for dialects that do not support distinct on *(PR [#1524](https://github.com/tobymao/sqlglot/pull/1524) by [@crericha](https://github.com/crericha))* +- [`52c80e0`](https://github.com/tobymao/sqlglot/commit/52c80e00f6498c438ef519058b4494a67f83c270) - Support regex function in Starrocks *(PR [#1528](https://github.com/tobymao/sqlglot/pull/1528) by [@acreux](https://github.com/acreux))* +- [`00b4779`](https://github.com/tobymao/sqlglot/commit/00b47798bce06f43c70ee48a907261a3d666f342) - **spark**: new Spark2 dialect, improve DATEDIFF sql generation BREAKING *(PR [#1529](https://github.com/tobymao/sqlglot/pull/1529) by [@GeorgeSittas](https://github.com/GeorgeSittas))* +- [`e2593ba`](https://github.com/tobymao/sqlglot/commit/e2593baf806a7c51cc089e280e3aa83983f1e82d) - Add BYTES type to BigQuery dialect *(PR [#1536](https://github.com/tobymao/sqlglot/pull/1536) by [@relud](https://github.com/relud))* + - :arrow_lower_right: *addresses issue [#1533](undefined) opened by [@relud](https://github.com/relud)* +- [`911e4e9`](https://github.com/tobymao/sqlglot/commit/911e4e9cfaf30d35eee06b23a2b1a4fe4f1c1ff2) - distinct on builder *(commit by [@tobymao](https://github.com/tobymao))* + +### :bug: Bug Fixes +- [`5c26f56`](https://github.com/tobymao/sqlglot/commit/5c26f56ad6f1814b543c81d9e8263ebfd11a5634) - windowspec generator *(commit by [@tobymao](https://github.com/tobymao))* +- [`e7111ba`](https://github.com/tobymao/sqlglot/commit/e7111ba6afdb67ae7be52cf39384d7bcb86a8dac) - **trino**: wrap SEQUENCE in an UNNEST call if used as a source *(PR [#1527](https://github.com/tobymao/sqlglot/pull/1527) by [@GeorgeSittas](https://github.com/GeorgeSittas))* +- [`3d964c6`](https://github.com/tobymao/sqlglot/commit/3d964c623e3ec3972161a9e3e69294bc12fdb8b8) - use preprocess instead of expanding transform dicts BREAKING *(PR [#1525](https://github.com/tobymao/sqlglot/pull/1525) by [@GeorgeSittas](https://github.com/GeorgeSittas))* +- [`5fc27d3`](https://github.com/tobymao/sqlglot/commit/5fc27d351412063493f66576d7b0c1a0c350c76b) - trim with double pipes *(commit by [@tobymao](https://github.com/tobymao))* +- [`9778c16`](https://github.com/tobymao/sqlglot/commit/9778c168d57fcd886d1653df10e75df59722ce1b) - create table options for bigquery closes [#1531](https://github.com/tobymao/sqlglot/pull/1531) *(commit by [@tobymao](https://github.com/tobymao))* +- [`55dc509`](https://github.com/tobymao/sqlglot/commit/55dc5098e9ccac3ae5757948e3e1575a1ae2b732) - **bigquery**: allow 2nd argument for PERCENTILE_[CONT|DISC] *(PR [#1537](https://github.com/tobymao/sqlglot/pull/1537) by [@GeorgeSittas](https://github.com/GeorgeSittas))* + - :arrow_lower_right: *fixes issue [#1534](undefined) opened by [@relud](https://github.com/relud)* +- [`5c59747`](https://github.com/tobymao/sqlglot/commit/5c59747db3beed334b4a34e04856780d2f842ea3) - qualifying correlated subqueries *(commit by [@tobymao](https://github.com/tobymao))* +- [`19c0490`](https://github.com/tobymao/sqlglot/commit/19c04903a5143971f31261ba01bdc7ee2acf37aa) - parse unnest array type closes [#1532](https://github.com/tobymao/sqlglot/pull/1532) *(commit by [@tobymao](https://github.com/tobymao))* +- [`51ca411`](https://github.com/tobymao/sqlglot/commit/51ca411b0708563bca815b9709cb927e0c768403) - expand laterals first if no schema is present *(commit by [@tobymao](https://github.com/tobymao))* +- [`abfbce2`](https://github.com/tobymao/sqlglot/commit/abfbce2c79e1af956033e759bd6a5a87038f2c4c) - bigquery udf existing func clash closes [#1535](https://github.com/tobymao/sqlglot/pull/1535) *(commit by [@tobymao](https://github.com/tobymao))* +- [`444dd94`](https://github.com/tobymao/sqlglot/commit/444dd948af23a88db83491be432573ac852dd324) - **Spark**: Add DOUBLE, FLOAT cast functions *(PR [#1530](https://github.com/tobymao/sqlglot/pull/1530) by [@vegarsti](https://github.com/vegarsti))* +- [`0578d6d`](https://github.com/tobymao/sqlglot/commit/0578d6d3b168a4cfac67e297f29f44ad67c51cda) - **oracle**: allow parsing of @dblink in table names *(PR [#1540](https://github.com/tobymao/sqlglot/pull/1540) by [@GeorgeSittas](https://github.com/GeorgeSittas))* + - :arrow_lower_right: *fixes issue [#1539](undefined) opened by [@Pizzi95](https://github.com/Pizzi95)* +- [`b7e08cc`](https://github.com/tobymao/sqlglot/commit/b7e08cc88a6d91057aeb9b81a4aa3efa6c81ee8f) - **duckdb**: parse DATEDIFF correctly *(PR [#1546](https://github.com/tobymao/sqlglot/pull/1546) by [@GeorgeSittas](https://github.com/GeorgeSittas))* +- [`f21abb7`](https://github.com/tobymao/sqlglot/commit/f21abb79efb09658502bff397e453593f4fd3471) - **oracle**: set post_tablesample_alias=True to fix alias parsing *(PR [#1548](https://github.com/tobymao/sqlglot/pull/1548) by [@GeorgeSittas](https://github.com/GeorgeSittas))* + - :arrow_lower_right: *fixes issue [#1541](undefined) opened by [@Pizzi95](https://github.com/Pizzi95)* +- [`8ebba48`](https://github.com/tobymao/sqlglot/commit/8ebba48eca51122ad647f9d83fb99ae7a58bc8b3) - binary_double/float types closes [#1543](https://github.com/tobymao/sqlglot/pull/1543) *(commit by [@tobymao](https://github.com/tobymao))* +- [`2a6a3e7`](https://github.com/tobymao/sqlglot/commit/2a6a3e7f2aafff29937d8ff1a1a296ffcb5d9dec) - make some SQL builders pure *(PR [#1526](https://github.com/tobymao/sqlglot/pull/1526) by [@GeorgeSittas](https://github.com/GeorgeSittas))* +- [`99310c4`](https://github.com/tobymao/sqlglot/commit/99310c434494e1dd302bac907e51daadfa7fa01e) - **duckdb**: remove parentheses from CurrentTimestamp, CurrentDate *(PR [#1551](https://github.com/tobymao/sqlglot/pull/1551) by [@GeorgeSittas](https://github.com/GeorgeSittas))* + - :arrow_lower_right: *fixes issue [#1550](undefined) opened by [@BTheunissen](https://github.com/BTheunissen)* +- [`a113685`](https://github.com/tobymao/sqlglot/commit/a11368522ec527bce9ecfb63796689b52ba814d5) - **spark**: cast UnixToTime to TIMESTAMP BREAKING *(PR [#1549](https://github.com/tobymao/sqlglot/pull/1549) by [@GeorgeSittas](https://github.com/GeorgeSittas))* + - :arrow_lower_right: *fixes issue [#1545](undefined) opened by [@joshmarcus](https://github.com/joshmarcus)* + +### :wrench: Chores +- [`d2f2e80`](https://github.com/tobymao/sqlglot/commit/d2f2e8093091a132dbaea8d6dd5b14b91e3c3f12) - test 3.11 *(commit by [@tobymao](https://github.com/tobymao))* + + +## [v11.7.0] - 2023-05-02 +### :sparkles: New Features +- [`20cacba`](https://github.com/tobymao/sqlglot/commit/20cacba59b697c70986baac3e3176875893e16e1) - **tsql, oracle**: add support for NEXT VALUE FOR clause *(PR [#1521](https://github.com/tobymao/sqlglot/pull/1521) by [@GeorgeSittas](https://github.com/GeorgeSittas))* +- [`96bb150`](https://github.com/tobymao/sqlglot/commit/96bb150fa3ef3d58cbae8003b3f29f9690cbe481) - builder methods for basic ops *(PR [#1516](https://github.com/tobymao/sqlglot/pull/1516) by [@tobymao](https://github.com/tobymao))* +- [`e11a5ce`](https://github.com/tobymao/sqlglot/commit/e11a5cef9dc2c8c59e1290013c29a4137e07c8aa) - add case when change func to parse BREAKING *(commit by [@tobymao](https://github.com/tobymao))* +- [`455b9e9`](https://github.com/tobymao/sqlglot/commit/455b9e9db1a1b8518a5a772c18f8a4bcec3b96fd) - **oracle**: support KEEP (.. [FIRST|LAST] ..) window function syntax *(PR [#1522](https://github.com/tobymao/sqlglot/pull/1522) by [@GeorgeSittas](https://github.com/GeorgeSittas))* + - :arrow_lower_right: *addresses issue [#1520](undefined) opened by [@Pizzi95](https://github.com/Pizzi95)* + +### :bug: Bug Fixes +- [`94fed8c`](https://github.com/tobymao/sqlglot/commit/94fed8c8ca171ecece53ea2fd72db6a37dfc73ec) - call _parse_bitwise as a fallback for nested type args *(PR [#1515](https://github.com/tobymao/sqlglot/pull/1515) by [@GeorgeSittas](https://github.com/GeorgeSittas))* + - :arrow_lower_right: *fixes issue [#1514](undefined) opened by [@ethack](https://github.com/ethack)* +- [`52ab03d`](https://github.com/tobymao/sqlglot/commit/52ab03d41aba8a48e5b3b3688e9530a645cac1c7) - array with method calls *(commit by [@tobymao](https://github.com/tobymao))* +- [`c3db2b8`](https://github.com/tobymao/sqlglot/commit/c3db2b8a8f1c9f694f31631fc0f185c735dab768) - allow parsing 'if' as an identifier *(PR [#1517](https://github.com/tobymao/sqlglot/pull/1517) by [@GeorgeSittas](https://github.com/GeorgeSittas))* + +### :wrench: Chores +- [`d5d360a`](https://github.com/tobymao/sqlglot/commit/d5d360a18a481804bbcee388a07c32c59ea46d4e) - Remove older CHANGELOG entries and let CI handle it from now on *(commit by [@GeorgeSittas](https://github.com/GeorgeSittas))* + + ## [v11.6.3] - 2023-05-01 ### :sparkles: New Features - [`80287dd`](https://github.com/tobymao/sqlglot/commit/80287dd290e9076ce5981ea440dc193df27e0d46) - **presto**: transpile explode/posexplode into (cross join) unnest *(PR [#1501](https://github.com/tobymao/sqlglot/pull/1501) by [@GeorgeSittas](https://github.com/GeorgeSittas))* @@ -22,3 +88,7 @@ Changelog [v11.6.3]: https://github.com/tobymao/sqlglot/compare/v11.6.2...v11.6.3 + +[v11.7.0]: https://github.com/tobymao/sqlglot/compare/v11.6.3...v11.7.0 +[v12.0.0]: https://github.com/tobymao/sqlglot/compare/v11.7.1...v12.0.0 +[v12.1.0]: https://github.com/tobymao/sqlglot/compare/v12.0.0...v12.1.0 \ No newline at end of file diff --git a/README.md b/README.md index 91676d1..73578dc 100644 --- a/README.md +++ b/README.md @@ -283,9 +283,10 @@ print( ```sql SELECT ( - "x"."a" OR "x"."b" OR "x"."c" - ) AND ( - "x"."a" OR "x"."b" OR "x"."d" + "x"."a" <> 0 OR "x"."b" <> 0 OR "x"."c" <> 0 + ) + AND ( + "x"."a" <> 0 OR "x"."b" <> 0 OR "x"."d" <> 0 ) AS "_col_0" FROM "x" AS "x" WHERE diff --git a/docs/search.js b/docs/search.js index f8b4053..9edaa39 100644 --- a/docs/search.js +++ b/docs/search.js @@ -1,6 +1,6 @@ window.pdocSearch = (function(){ /** elasticlunr - 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importing "+e.version);var n=new this;n._fields=e.fields,n._ref=e.ref,n.documentStore=t.DocumentStore.load(e.documentStore),n.pipeline=t.Pipeline.load(e.pipeline),n.index={};for(var i in e.index)n.index[i]=t.InvertedIndex.load(e.index[i]);return n},t.Index.prototype.addField=function(e){return this._fields.push(e),this.index[e]=new t.InvertedIndex,this},t.Index.prototype.setRef=function(e){return this._ref=e,this},t.Index.prototype.saveDocument=function(e){return this.documentStore=new t.DocumentStore(e),this},t.Index.prototype.addDoc=function(e,n){if(e){var n=void 0===n?!0:n,i=e[this._ref];this.documentStore.addDoc(i,e),this._fields.forEach(function(n){var o=this.pipeline.run(t.tokenizer(e[n]));this.documentStore.addFieldLength(i,n,o.length);var r={};o.forEach(function(e){e in r?r[e]+=1:r[e]=1},this);for(var s in r){var u=r[s];u=Math.sqrt(u),this.index[n].addToken(s,{ref:i,tf:u})}},this),n&&this.eventEmitter.emit("add",e,this)}},t.Index.prototype.removeDocByRef=function(e){if(e&&this.documentStore.isDocStored()!==!1&&this.documentStore.hasDoc(e)){var t=this.documentStore.getDoc(e);this.removeDoc(t,!1)}},t.Index.prototype.removeDoc=function(e,n){if(e){var n=void 0===n?!0:n,i=e[this._ref];this.documentStore.hasDoc(i)&&(this.documentStore.removeDoc(i),this._fields.forEach(function(n){var o=this.pipeline.run(t.tokenizer(e[n]));o.forEach(function(e){this.index[n].removeToken(e,i)},this)},this),n&&this.eventEmitter.emit("remove",e,this))}},t.Index.prototype.updateDoc=function(e,t){var t=void 0===t?!0:t;this.removeDocByRef(e[this._ref],!1),this.addDoc(e,!1),t&&this.eventEmitter.emit("update",e,this)},t.Index.prototype.idf=function(e,t){var n="@"+t+"/"+e;if(Object.prototype.hasOwnProperty.call(this._idfCache,n))return this._idfCache[n];var i=this.index[t].getDocFreq(e),o=1+Math.log(this.documentStore.length/(i+1));return this._idfCache[n]=o,o},t.Index.prototype.getFields=function(){return this._fields.slice()},t.Index.prototype.search=function(e,n){if(!e)return[];e="string"==typeof e?{any:e}:JSON.parse(JSON.stringify(e));var i=null;null!=n&&(i=JSON.stringify(n));for(var o=new t.Configuration(i,this.getFields()).get(),r={},s=Object.keys(e),u=0;u0&&t.push(e);for(var i in n)"docs"!==i&&"df"!==i&&this.expandToken(e+i,t,n[i]);return t},t.InvertedIndex.prototype.toJSON=function(){return{root:this.root}},t.Configuration=function(e,n){var e=e||"";if(void 0==n||null==n)throw new Error("fields should not be null");this.config={};var i;try{i=JSON.parse(e),this.buildUserConfig(i,n)}catch(o){t.utils.warn("user configuration parse failed, will use default configuration"),this.buildDefaultConfig(n)}},t.Configuration.prototype.buildDefaultConfig=function(e){this.reset(),e.forEach(function(e){this.config[e]={boost:1,bool:"OR",expand:!1}},this)},t.Configuration.prototype.buildUserConfig=function(e,n){var i="OR",o=!1;if(this.reset(),"bool"in e&&(i=e.bool||i),"expand"in e&&(o=e.expand||o),"fields"in e)for(var r in e.fields)if(n.indexOf(r)>-1){var s=e.fields[r],u=o;void 0!=s.expand&&(u=s.expand),this.config[r]={boost:s.boost||0===s.boost?s.boost:1,bool:s.bool||i,expand:u}}else t.utils.warn("field name in user configuration not found in index instance fields");else this.addAllFields2UserConfig(i,o,n)},t.Configuration.prototype.addAllFields2UserConfig=function(e,t,n){n.forEach(function(n){this.config[n]={boost:1,bool:e,expand:t}},this)},t.Configuration.prototype.get=function(){return this.config},t.Configuration.prototype.reset=function(){this.config={}},lunr.SortedSet=function(){this.length=0,this.elements=[]},lunr.SortedSet.load=function(e){var t=new this;return t.elements=e,t.length=e.length,t},lunr.SortedSet.prototype.add=function(){var e,t;for(e=0;e1;){if(r===e)return o;e>r&&(t=o),r>e&&(n=o),i=n-t,o=t+Math.floor(i/2),r=this.elements[o]}return r===e?o:-1},lunr.SortedSet.prototype.locationFor=function(e){for(var t=0,n=this.elements.length,i=n-t,o=t+Math.floor(i/2),r=this.elements[o];i>1;)e>r&&(t=o),r>e&&(n=o),i=n-t,o=t+Math.floor(i/2),r=this.elements[o];return r>e?o:e>r?o+1:void 0},lunr.SortedSet.prototype.intersect=function(e){for(var t=new lunr.SortedSet,n=0,i=0,o=this.length,r=e.length,s=this.elements,u=e.elements;;){if(n>o-1||i>r-1)break;s[n]!==u[i]?s[n]u[i]&&i++:(t.add(s[n]),n++,i++)}return t},lunr.SortedSet.prototype.clone=function(){var e=new lunr.SortedSet;return e.elements=this.toArray(),e.length=e.elements.length,e},lunr.SortedSet.prototype.union=function(e){var t,n,i;this.length>=e.length?(t=this,n=e):(t=e,n=this),i=t.clone();for(var o=0,r=n.toArray();o\"SQLGlot

\n\n

SQLGlot is a no-dependency SQL parser, transpiler, optimizer, and engine. It can be used to format SQL or translate between 19 different dialects like DuckDB, Presto, Spark, Snowflake, and BigQuery. It aims to read a wide variety of SQL inputs and output syntactically correct SQL in the targeted dialects.

\n\n

It is a very comprehensive generic SQL parser with a robust test suite. It is also quite performant, while being written purely in Python.

\n\n

You can easily customize the parser, analyze queries, traverse expression trees, and programmatically build SQL.

\n\n

Syntax errors are highlighted and dialect incompatibilities can warn or raise depending on configurations. However, it should be noted that SQL validation is not SQLGlot\u2019s goal, so some syntax errors may go unnoticed.

\n\n

Contributions are very welcome in SQLGlot; read the contribution guide to get started!

\n\n

Table of Contents

\n\n\n\n

Install

\n\n

From PyPI:

\n\n
pip3 install sqlglot\n
\n\n

Or with a local checkout:

\n\n
make install\n
\n\n

Requirements for development (optional):

\n\n
make install-dev\n
\n\n

Get in Touch

\n\n

We'd love to hear from you. Join our community Slack channel!

\n\n

Examples

\n\n

Formatting and Transpiling

\n\n

Easily translate from one dialect to another. For example, date/time functions vary from dialects and can be hard to deal with:

\n\n
\n
import sqlglot\nsqlglot.transpile("SELECT EPOCH_MS(1618088028295)", read="duckdb", write="hive")[0]\n
\n
\n\n
\n
'SELECT FROM_UNIXTIME(1618088028295 / 1000)'\n
\n
\n\n

SQLGlot can even translate custom time formats:

\n\n
\n
import sqlglot\nsqlglot.transpile("SELECT STRFTIME(x, '%y-%-m-%S')", read="duckdb", write="hive")[0]\n
\n
\n\n
\n
"SELECT DATE_FORMAT(x, 'yy-M-ss')"\n
\n
\n\n

As another example, let's suppose that we want to read in a SQL query that contains a CTE and a cast to REAL, and then transpile it to Spark, which uses backticks for identifiers and FLOAT instead of REAL:

\n\n
\n
import sqlglot\n\nsql = """WITH baz AS (SELECT a, c FROM foo WHERE a = 1) SELECT f.a, b.b, baz.c, CAST("b"."a" AS REAL) d FROM foo f JOIN bar b ON f.a = b.a LEFT JOIN baz ON f.a = baz.a"""\nprint(sqlglot.transpile(sql, write="spark", identify=True, pretty=True)[0])\n
\n
\n\n
\n
WITH `baz` AS (\n  SELECT\n    `a`,\n    `c`\n  FROM `foo`\n  WHERE\n    `a` = 1\n)\nSELECT\n  `f`.`a`,\n  `b`.`b`,\n  `baz`.`c`,\n  CAST(`b`.`a` AS FLOAT) AS `d`\nFROM `foo` AS `f`\nJOIN `bar` AS `b`\n  ON `f`.`a` = `b`.`a`\nLEFT JOIN `baz`\n  ON `f`.`a` = `baz`.`a`\n
\n
\n\n

Comments are also preserved in a best-effort basis when transpiling SQL code:

\n\n
\n
sql = """\n/* multi\n   line\n   comment\n*/\nSELECT\n  tbl.cola /* comment 1 */ + tbl.colb /* comment 2 */,\n  CAST(x AS INT), # comment 3\n  y               -- comment 4\nFROM\n  bar /* comment 5 */,\n  tbl #          comment 6\n"""\n\nprint(sqlglot.transpile(sql, read='mysql', pretty=True)[0])\n
\n
\n\n
\n
/* multi\n   line\n   comment\n*/\nSELECT\n  tbl.cola /* comment 1 */ + tbl.colb /* comment 2 */,\n  CAST(x AS INT), /* comment 3 */\n  y /* comment 4 */\nFROM bar /* comment 5 */, tbl /*          comment 6 */\n
\n
\n\n

Metadata

\n\n

You can explore SQL with expression helpers to do things like find columns and tables:

\n\n
\n
from sqlglot import parse_one, exp\n\n# print all column references (a and b)\nfor column in parse_one("SELECT a, b + 1 AS c FROM d").find_all(exp.Column):\n    print(column.alias_or_name)\n\n# find all projections in select statements (a and c)\nfor select in parse_one("SELECT a, b + 1 AS c FROM d").find_all(exp.Select):\n    for projection in select.expressions:\n        print(projection.alias_or_name)\n\n# find all tables (x, y, z)\nfor table in parse_one("SELECT * FROM x JOIN y JOIN z").find_all(exp.Table):\n    print(table.name)\n
\n
\n\n

Parser Errors

\n\n

When the parser detects an error in the syntax, it raises a ParserError:

\n\n
\n
import sqlglot\nsqlglot.transpile("SELECT foo( FROM bar")\n
\n
\n\n
sqlglot.errors.ParseError: Expecting ). Line 1, Col: 13.\n  select foo( FROM bar\n              ~~~~\n
\n\n

Structured syntax errors are accessible for programmatic use:

\n\n
\n
import sqlglot\ntry:\n    sqlglot.transpile("SELECT foo( FROM bar")\nexcept sqlglot.errors.ParseError as e:\n    print(e.errors)\n
\n
\n\n
\n
[{\n  'description': 'Expecting )',\n  'line': 1,\n  'col': 13,\n  'start_context': 'SELECT foo( ',\n  'highlight': 'FROM',\n  'end_context': ' bar'\n}]\n
\n
\n\n

Unsupported Errors

\n\n

Presto APPROX_DISTINCT supports the accuracy argument which is not supported in Hive:

\n\n
\n
import sqlglot\nsqlglot.transpile("SELECT APPROX_DISTINCT(a, 0.1) FROM foo", read="presto", write="hive")\n
\n
\n\n
\n
APPROX_COUNT_DISTINCT does not support accuracy\n'SELECT APPROX_COUNT_DISTINCT(a) FROM foo'\n
\n
\n\n

Build and Modify SQL

\n\n

SQLGlot supports incrementally building sql expressions:

\n\n
\n
from sqlglot import select, condition\n\nwhere = condition("x=1").and_("y=1")\nselect("*").from_("y").where(where).sql()\n
\n
\n\n
\n
'SELECT * FROM y WHERE x = 1 AND y = 1'\n
\n
\n\n

You can also modify a parsed tree:

\n\n
\n
from sqlglot import parse_one\nparse_one("SELECT x FROM y").from_("z").sql()\n
\n
\n\n
\n
'SELECT x FROM y, z'\n
\n
\n\n

There is also a way to recursively transform the parsed tree by applying a mapping function to each tree node:

\n\n
\n
from sqlglot import exp, parse_one\n\nexpression_tree = parse_one("SELECT a FROM x")\n\ndef transformer(node):\n    if isinstance(node, exp.Column) and node.name == "a":\n        return parse_one("FUN(a)")\n    return node\n\ntransformed_tree = expression_tree.transform(transformer)\ntransformed_tree.sql()\n
\n
\n\n
\n
'SELECT FUN(a) FROM x'\n
\n
\n\n

SQL Optimizer

\n\n

SQLGlot can rewrite queries into an \"optimized\" form. It performs a variety of techniques to create a new canonical AST. This AST can be used to standardize queries or provide the foundations for implementing an actual engine. For example:

\n\n
\n
import sqlglot\nfrom sqlglot.optimizer import optimize\n\nprint(\n    optimize(\n        sqlglot.parse_one("""\n            SELECT A OR (B OR (C AND D))\n            FROM x\n            WHERE Z = date '2021-01-01' + INTERVAL '1' month OR 1 = 0\n        """),\n        schema={"x": {"A": "INT", "B": "INT", "C": "INT", "D": "INT", "Z": "STRING"}}\n    ).sql(pretty=True)\n)\n
\n
\n\n
\n
SELECT\n  (\n    "x"."a" OR "x"."b" OR "x"."c"\n  ) AND (\n    "x"."a" OR "x"."b" OR "x"."d"\n  ) AS "_col_0"\nFROM "x" AS "x"\nWHERE\n  CAST("x"."z" AS DATE) = CAST('2021-02-01' AS DATE)\n
\n
\n\n

AST Introspection

\n\n

You can see the AST version of the sql by calling repr:

\n\n
\n
from sqlglot import parse_one\nprint(repr(parse_one("SELECT a + 1 AS z")))\n
\n
\n\n
\n
(SELECT expressions:\n  (ALIAS this:\n    (ADD this:\n      (COLUMN this:\n        (IDENTIFIER this: a, quoted: False)), expression:\n      (LITERAL this: 1, is_string: False)), alias:\n    (IDENTIFIER this: z, quoted: False)))\n
\n
\n\n

AST Diff

\n\n

SQLGlot can calculate the difference between two expressions and output changes in a form of a sequence of actions needed to transform a source expression into a target one:

\n\n
\n
from sqlglot import diff, parse_one\ndiff(parse_one("SELECT a + b, c, d"), parse_one("SELECT c, a - b, d"))\n
\n
\n\n
\n
[\n  Remove(expression=(ADD this:\n    (COLUMN this:\n      (IDENTIFIER this: a, quoted: False)), expression:\n    (COLUMN this:\n      (IDENTIFIER this: b, quoted: False)))),\n  Insert(expression=(SUB this:\n    (COLUMN this:\n      (IDENTIFIER this: a, quoted: False)), expression:\n    (COLUMN this:\n      (IDENTIFIER this: b, quoted: False)))),\n  Move(expression=(COLUMN this:\n    (IDENTIFIER this: c, quoted: False))),\n  Keep(source=(IDENTIFIER this: b, quoted: False), target=(IDENTIFIER this: b, quoted: False)),\n  ...\n]\n
\n
\n\n

See also: Semantic Diff for SQL.

\n\n

Custom Dialects

\n\n

Dialects can be added by subclassing Dialect:

\n\n
\n
from sqlglot import exp\nfrom sqlglot.dialects.dialect import Dialect\nfrom sqlglot.generator import Generator\nfrom sqlglot.tokens import Tokenizer, TokenType\n\n\nclass Custom(Dialect):\n    class Tokenizer(Tokenizer):\n        QUOTES = ["'", '"']\n        IDENTIFIERS = ["`"]\n\n        KEYWORDS = {\n            **Tokenizer.KEYWORDS,\n            "INT64": TokenType.BIGINT,\n            "FLOAT64": TokenType.DOUBLE,\n        }\n\n    class Generator(Generator):\n        TRANSFORMS = {exp.Array: lambda self, e: f"[{self.expressions(e)}]"}\n\n        TYPE_MAPPING = {\n            exp.DataType.Type.TINYINT: "INT64",\n            exp.DataType.Type.SMALLINT: "INT64",\n            exp.DataType.Type.INT: "INT64",\n            exp.DataType.Type.BIGINT: "INT64",\n            exp.DataType.Type.DECIMAL: "NUMERIC",\n            exp.DataType.Type.FLOAT: "FLOAT64",\n            exp.DataType.Type.DOUBLE: "FLOAT64",\n            exp.DataType.Type.BOOLEAN: "BOOL",\n            exp.DataType.Type.TEXT: "STRING",\n        }\n\nprint(Dialect["custom"])\n
\n
\n\n
<class '__main__.Custom'>\n
\n\n

SQL Execution

\n\n

One can even interpret SQL queries using SQLGlot, where the tables are represented as Python dictionaries. Although the engine is not very fast (it's not supposed to be) and is in a relatively early stage of development, it can be useful for unit testing and running SQL natively across Python objects. Additionally, the foundation can be easily integrated with fast compute kernels (arrow, pandas). Below is an example showcasing the execution of a SELECT expression that involves aggregations and JOINs:

\n\n
\n
from sqlglot.executor import execute\n\ntables = {\n    "sushi": [\n        {"id": 1, "price": 1.0},\n        {"id": 2, "price": 2.0},\n        {"id": 3, "price": 3.0},\n    ],\n    "order_items": [\n        {"sushi_id": 1, "order_id": 1},\n        {"sushi_id": 1, "order_id": 1},\n        {"sushi_id": 2, "order_id": 1},\n        {"sushi_id": 3, "order_id": 2},\n    ],\n    "orders": [\n        {"id": 1, "user_id": 1},\n        {"id": 2, "user_id": 2},\n    ],\n}\n\nexecute(\n    """\n    SELECT\n      o.user_id,\n      SUM(s.price) AS price\n    FROM orders o\n    JOIN order_items i\n      ON o.id = i.order_id\n    JOIN sushi s\n      ON i.sushi_id = s.id\n    GROUP BY o.user_id\n    """,\n    tables=tables\n)\n
\n
\n\n
\n
user_id price\n      1   4.0\n      2   3.0\n
\n
\n\n

See also: Writing a Python SQL engine from scratch.

\n\n

Used By

\n\n\n\n

Documentation

\n\n

SQLGlot uses pdoc to serve its API documentation:

\n\n
make docs-serve\n
\n\n

Run Tests and Lint

\n\n
make check  # Set SKIP_INTEGRATION=1 to skip integration tests\n
\n\n

Benchmarks

\n\n

Benchmarks run on Python 3.10.5 in seconds.

\n\n\n\n\n \n \n \n \n \n \n \n\n\n\n\n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n\n\n
Querysqlglotsqlfluffsqltreesqlparsemoz_sql_parsersqloxide
tpch0.01308 (1.0)1.60626 (122.7)0.01168 (0.893)0.04958 (3.791)0.08543 (6.531)0.00136 (0.104)
short0.00109 (1.0)0.14134 (129.2)0.00099 (0.906)0.00342 (3.131)0.00652 (5.970)8.76E-5 (0.080)
long0.01399 (1.0)2.12632 (151.9)0.01126 (0.805)0.04410 (3.151)0.06671 (4.767)0.00107 (0.076)
crazy0.03969 (1.0)24.3777 (614.1)0.03917 (0.987)11.7043 (294.8)1.03280 (26.02)0.00625 (0.157)
\n\n

Optional Dependencies

\n\n

SQLGlot uses dateutil to simplify literal timedelta expressions. The optimizer will not simplify expressions like the following if the module cannot be found:

\n\n
\n
x + interval '1' month\n
\n
\n\n
\n"}, "sqlglot.pretty": {"fullname": "sqlglot.pretty", "modulename": "sqlglot", "qualname": "pretty", "kind": "variable", "doc": "

Whether to format generated SQL by default.

\n", "default_value": "False"}, "sqlglot.schema": {"fullname": "sqlglot.schema", "modulename": "sqlglot.schema", "kind": "module", "doc": "

\n"}, "sqlglot.parse": {"fullname": "sqlglot.parse", "modulename": "sqlglot", "qualname": "parse", "kind": "function", "doc": "

Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement.

\n\n
Arguments:
\n\n
    \n
  • sql: the SQL code string to parse.
    • \n
  • read: the SQL dialect to apply during parsing (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • **opts: other sqlglot.parser.Parser options.
    • \n
\n\n
Returns:
\n\n
\n

The resulting syntax tree collection.

\n
\n", "signature": "(\tsql: str,\tread: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> List[Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.parse_one": {"fullname": "sqlglot.parse_one", "modulename": "sqlglot", "qualname": "parse_one", "kind": "function", "doc": "

Parses the given SQL string and returns a syntax tree for the first parsed SQL statement.

\n\n
Arguments:
\n\n
    \n
  • sql: the SQL code string to parse.
    • \n
  • read: the SQL dialect to apply during parsing (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • into: the SQLGlot Expression to parse into.
    • \n
  • **opts: other sqlglot.parser.Parser options.
    • \n
\n\n
Returns:
\n\n
\n

The syntax tree for the first parsed statement.

\n
\n", "signature": "(\tsql: str,\tread: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tinto: Union[str, Type[sqlglot.expressions.Expression], Collection[Union[str, Type[sqlglot.expressions.Expression]]], NoneType] = None,\t**opts) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transpile": {"fullname": "sqlglot.transpile", "modulename": "sqlglot", "qualname": "transpile", "kind": "function", "doc": "

Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed\nto conform to the target dialect. Each string in the returned list represents a single transformed SQL statement.

\n\n
Arguments:
\n\n
    \n
  • sql: the SQL code string to transpile.
    • \n
  • read: the source dialect used to parse the input string (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • write: the target dialect into which the input should be transformed (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • identity: if set to True and if the target dialect is not specified the source dialect will be used as both:\nthe source and the target dialect.
    • \n
  • error_level: the desired error level of the parser.
    • \n
  • **opts: other sqlglot.generator.Generator options.
    • \n
\n\n
Returns:
\n\n
\n

The list of transpiled SQL statements.

\n
\n", "signature": "(\tsql: str,\tread: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\twrite: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tidentity: bool = True,\terror_level: Optional[sqlglot.errors.ErrorLevel] = None,\t**opts) -> List[str]:", "funcdef": "def"}, "sqlglot.dataframe": {"fullname": "sqlglot.dataframe", "modulename": "sqlglot.dataframe", "kind": "module", "doc": "

PySpark DataFrame SQL Generator

\n\n

This is a drop-in replacement for the PySpark DataFrame API that will generate SQL instead of executing DataFrame operations directly. This, when combined with the transpiling support in SQLGlot, allows one to write PySpark DataFrame code and execute it on other engines like DuckDB, Presto, Spark, Snowflake, and BigQuery.

\n\n

Currently many of the common operations are covered and more functionality will be added over time. Please open an issue or PR with your feedback or contribution to help influence what should be prioritized next and make sure your use case is properly supported.

\n\n

How to use

\n\n

Instructions

\n\n
    \n
  • Install SQLGlot and that is all that is required to just generate SQL. The examples show generating SQL and then executing that SQL on a specific engine and that will require that engine's client library.
    • \n
  • Find/replace all from pyspark.sql with from sqlglot.dataframe.
    • \n
  • Prior to any spark.read.table or spark.table run sqlglot.schema.add_table('<table_name>', <column_structure>).\n
      \n
    • The column structure can be defined the following ways:\n
        \n
      • Dictionary where the keys are column names and values are string of the Spark SQL type name.\n
          \n
        • Ex: {'cola': 'string', 'colb': 'int'}
          • \n
        • \n
      • PySpark DataFrame StructType similar to when using createDataFrame.\n
          \n
        • Ex: StructType([StructField('cola', StringType()), StructField('colb', IntegerType())])
          • \n
        • \n
      • A string of names and types similar to what is supported in createDataFrame.\n
          \n
        • Ex: cola: STRING, colb: INT
          • \n
        • \n
      • [Not Recommended] A list of string column names without type.\n
          \n
        • Ex: ['cola', 'colb']
          • \n
        • The lack of types may limit functionality in future releases.
          • \n
        • \n
      • \n
    • See Registering Custom Schema for information on how to skip this step if the information is stored externally.
      • \n
    • \n
  • Add .sql(pretty=True) to your final DataFrame command to return a list of sql statements to run that command.\n
      \n
    • In most cases a single SQL statement is returned. Currently the only exception is when caching DataFrames which isn't supported in other dialects.
      • \n
    • Spark is the default output dialect. See dialects for a full list of dialects.
      • \n
    • Ex: .sql(pretty=True, dialect='bigquery')
      • \n
    • \n
\n\n

Examples

\n\n
\n
import sqlglot\nfrom sqlglot.dataframe.sql.session import SparkSession\nfrom sqlglot.dataframe.sql import functions as F\n\nsqlglot.schema.add_table('employee', {\n  'employee_id': 'INT',\n  'fname': 'STRING',\n  'lname': 'STRING',\n  'age': 'INT',\n})  # Register the table structure prior to reading from the table\n\nspark = SparkSession()\n\ndf = (\n    spark\n    .table('employee')\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("employee_id")).alias("num_employees")) \n)\n\nprint(df.sql(pretty=True))  # Spark will be the dialect used by default\n
\n
\n\n
SELECT\n  `employee`.`age` AS `age`,\n  COUNT(DISTINCT `employee`.`employee_id`) AS `num_employees`\nFROM `employee` AS `employee`\nGROUP BY\n  `employee`.`age`\n
\n\n

Registering Custom Schema Class

\n\n

The step of adding sqlglot.schema.add_table can be skipped if you have the column structure stored externally like in a file or from an external metadata table. This can be done by writing a class that implements the sqlglot.schema.Schema abstract class and then assigning that class to sqlglot.schema.

\n\n
\n
import sqlglot\nfrom sqlglot.dataframe.sql.session import SparkSession\nfrom sqlglot.dataframe.sql import functions as F\nfrom sqlglot.schema import Schema\n\n\nclass ExternalSchema(Schema):\n  ...\n\nsqlglot.schema = ExternalSchema()\n\nspark = SparkSession()\n\ndf = (\n    spark\n    .table('employee')\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("employee_id")).alias("num_employees")) \n)\n\nprint(df.sql(pretty=True))\n
\n
\n\n

Example Implementations

\n\n

Bigquery

\n\n
\n
from google.cloud import bigquery\nfrom sqlglot.dataframe.sql.session import SparkSession\nfrom sqlglot.dataframe.sql import types\nfrom sqlglot.dataframe.sql import functions as F\n\nclient = bigquery.Client()\n\ndata = [\n    (1, "Jack", "Shephard", 34),\n    (2, "John", "Locke", 48),\n    (3, "Kate", "Austen", 34),\n    (4, "Claire", "Littleton", 22),\n    (5, "Hugo", "Reyes", 26),\n]\nschema = types.StructType([\n    types.StructField('employee_id', types.IntegerType(), False),\n    types.StructField('fname', types.StringType(), False),\n    types.StructField('lname', types.StringType(), False),\n    types.StructField('age', types.IntegerType(), False),\n])\n\nsql_statements = (\n    SparkSession()\n    .createDataFrame(data, schema)\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("employee_id")).alias("num_employees"))\n    .sql(dialect="bigquery")\n)\n\nresult = None\nfor sql in sql_statements:\n  result = client.query(sql)\n\nassert result is not None\nfor row in client.query(result):\n    print(f"Age: {row['age']}, Num Employees: {row['num_employees']}")\n
\n
\n\n

Snowflake

\n\n
\n
import os\n\nimport snowflake.connector\nfrom sqlglot.dataframe.session import SparkSession\nfrom sqlglot.dataframe import types\nfrom sqlglot.dataframe import functions as F\n\nctx = snowflake.connector.connect(\n    user=os.environ["SNOWFLAKE_USER"],\n    password=os.environ["SNOWFLAKE_PASS"],\n    account=os.environ["SNOWFLAKE_ACCOUNT"]\n)\ncs = ctx.cursor()\n\ndata = [\n    (1, "Jack", "Shephard", 34),\n    (2, "John", "Locke", 48),\n    (3, "Kate", "Austen", 34),\n    (4, "Claire", "Littleton", 22),\n    (5, "Hugo", "Reyes", 26),\n]\nschema = types.StructType([\n    types.StructField('employee_id', types.IntegerType(), False),\n    types.StructField('fname', types.StringType(), False),\n    types.StructField('lname', types.StringType(), False),\n    types.StructField('age', types.IntegerType(), False),\n])\n\nsql_statements = (\n    SparkSession()\n    .createDataFrame(data, schema)\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("lname")).alias("num_employees"))\n    .sql(dialect="snowflake")\n)\n\ntry:\n    for sql in sql_statements:\n        cs.execute(sql)\n    results = cs.fetchall()\n    for row in results:\n        print(f"Age: {row[0]}, Num Employees: {row[1]}")\nfinally:\n    cs.close()\nctx.close()\n
\n
\n\n

Spark

\n\n
\n
from pyspark.sql.session import SparkSession as PySparkSession\nfrom sqlglot.dataframe.sql.session import SparkSession\nfrom sqlglot.dataframe.sql import types\nfrom sqlglot.dataframe.sql import functions as F\n\ndata = [\n    (1, "Jack", "Shephard", 34),\n    (2, "John", "Locke", 48),\n    (3, "Kate", "Austen", 34),\n    (4, "Claire", "Littleton", 22),\n    (5, "Hugo", "Reyes", 26),\n]\nschema = types.StructType([\n    types.StructField('employee_id', types.IntegerType(), False),\n    types.StructField('fname', types.StringType(), False),\n    types.StructField('lname', types.StringType(), False),\n    types.StructField('age', types.IntegerType(), False),\n])\n\nsql_statements = (\n    SparkSession()\n    .createDataFrame(data, schema)\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("employee_id")).alias("num_employees"))\n    .sql(dialect="spark")\n)\n\npyspark = PySparkSession.builder.master("local[*]").getOrCreate()\n\ndf = None\nfor sql in sql_statements:\n    df = pyspark.sql(sql)\n\nassert df is not None\ndf.show()\n
\n
\n\n

Unsupportable Operations

\n\n

Any operation that lacks a way to represent it in SQL cannot be supported by this tool. An example of this would be rdd operations. Since the DataFrame API though is mostly modeled around SQL concepts most operations can be supported.

\n"}, "sqlglot.dataframe.sql": {"fullname": "sqlglot.dataframe.sql", "modulename": "sqlglot.dataframe.sql", "kind": "module", "doc": "

\n"}, "sqlglot.dataframe.sql.SparkSession": {"fullname": "sqlglot.dataframe.sql.SparkSession", "modulename": "sqlglot.dataframe.sql", "qualname": "SparkSession", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.SparkSession.table": {"fullname": "sqlglot.dataframe.sql.SparkSession.table", "modulename": "sqlglot.dataframe.sql", "qualname": "SparkSession.table", "kind": "function", "doc": "

\n", "signature": "(self, tableName: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.SparkSession.createDataFrame": {"fullname": "sqlglot.dataframe.sql.SparkSession.createDataFrame", "modulename": "sqlglot.dataframe.sql", "qualname": "SparkSession.createDataFrame", "kind": "function", "doc": "

\n", "signature": "(\tself,\tdata: Sequence[Union[Dict[str, <MagicMock id='140377708850400'>], List[<MagicMock id='140377708850400'>], Tuple]],\tschema: Optional[<MagicMock id='140377708766032'>] = None,\tsamplingRatio: Optional[float] = None,\tverifySchema: bool = False) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.SparkSession.sql": {"fullname": "sqlglot.dataframe.sql.SparkSession.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "SparkSession.sql", "kind": "function", "doc": "

\n", "signature": "(self, sqlQuery: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame": {"fullname": "sqlglot.dataframe.sql.DataFrame", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.DataFrame.__init__": {"fullname": "sqlglot.dataframe.sql.DataFrame.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.__init__", "kind": "function", "doc": "

\n", "signature": "(\tspark: <MagicMock id='140377712280432'>,\texpression: sqlglot.expressions.Select,\tbranch_id: Optional[str] = None,\tsequence_id: Optional[str] = None,\tlast_op: sqlglot.dataframe.sql.operations.Operation = <Operation.INIT: -1>,\tpending_hints: Optional[List[sqlglot.expressions.Expression]] = None,\toutput_expression_container: Optional[<MagicMock id='140377711871072'>] = None,\t**kwargs)"}, "sqlglot.dataframe.sql.DataFrame.sql": {"fullname": "sqlglot.dataframe.sql.DataFrame.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.sql", "kind": "function", "doc": "

\n", "signature": "(self, dialect='spark', optimize=True, **kwargs) -> List[str]:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.copy": {"fullname": "sqlglot.dataframe.sql.DataFrame.copy", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.copy", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.select": {"fullname": "sqlglot.dataframe.sql.DataFrame.select", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.select", "kind": "function", "doc": "

\n", "signature": "(self, *cols, **kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.alias": {"fullname": "sqlglot.dataframe.sql.DataFrame.alias", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.alias", "kind": "function", "doc": "

\n", "signature": "(self, name: str, **kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.where": {"fullname": "sqlglot.dataframe.sql.DataFrame.where", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.where", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcolumn: Union[sqlglot.dataframe.sql.column.Column, bool],\t**kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.filter": {"fullname": "sqlglot.dataframe.sql.DataFrame.filter", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.filter", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcolumn: Union[sqlglot.dataframe.sql.column.Column, bool],\t**kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.groupBy": {"fullname": "sqlglot.dataframe.sql.DataFrame.groupBy", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.groupBy", "kind": "function", "doc": "

\n", "signature": "(self, *cols, **kwargs) -> sqlglot.dataframe.sql.group.GroupedData:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.agg": {"fullname": "sqlglot.dataframe.sql.DataFrame.agg", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.agg", "kind": "function", "doc": "

\n", "signature": "(self, *exprs, **kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.join": {"fullname": "sqlglot.dataframe.sql.DataFrame.join", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.join", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother_df: sqlglot.dataframe.sql.dataframe.DataFrame,\ton: Union[str, List[str], sqlglot.dataframe.sql.column.Column, List[sqlglot.dataframe.sql.column.Column]],\thow: str = 'inner',\t**kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.orderBy": {"fullname": "sqlglot.dataframe.sql.DataFrame.orderBy", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.orderBy", "kind": "function", "doc": "

This implementation lets any ordered columns take priority over whatever is provided in ascending. Spark\nhas irregular behavior and can result in runtime errors. Users shouldn't be mixing the two anyways so this\nis unlikely to come up.

\n", "signature": "(\tself,\t*cols: Union[str, sqlglot.dataframe.sql.column.Column],\tascending: Union[Any, List[Any], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.sort": {"fullname": "sqlglot.dataframe.sql.DataFrame.sort", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.sort", "kind": "function", "doc": "

This implementation lets any ordered columns take priority over whatever is provided in ascending. Spark\nhas irregular behavior and can result in runtime errors. Users shouldn't be mixing the two anyways so this\nis unlikely to come up.

\n", "signature": "(\tself,\t*cols: Union[str, sqlglot.dataframe.sql.column.Column],\tascending: Union[Any, List[Any], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.union": {"fullname": "sqlglot.dataframe.sql.DataFrame.union", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.union", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.unionAll": {"fullname": "sqlglot.dataframe.sql.DataFrame.unionAll", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.unionAll", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.unionByName": {"fullname": "sqlglot.dataframe.sql.DataFrame.unionByName", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.unionByName", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame,\tallowMissingColumns: bool = False):", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.intersect": {"fullname": "sqlglot.dataframe.sql.DataFrame.intersect", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.intersect", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.intersectAll": {"fullname": "sqlglot.dataframe.sql.DataFrame.intersectAll", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.intersectAll", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.exceptAll": {"fullname": "sqlglot.dataframe.sql.DataFrame.exceptAll", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.exceptAll", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.distinct": {"fullname": "sqlglot.dataframe.sql.DataFrame.distinct", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.distinct", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.dropDuplicates": {"fullname": "sqlglot.dataframe.sql.DataFrame.dropDuplicates", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.dropDuplicates", "kind": "function", "doc": "

\n", "signature": "(self, subset: Optional[List[str]] = None):", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.dropna": {"fullname": "sqlglot.dataframe.sql.DataFrame.dropna", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.dropna", "kind": "function", "doc": "

\n", "signature": "(\tself,\thow: str = 'any',\tthresh: Optional[int] = None,\tsubset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.fillna": {"fullname": "sqlglot.dataframe.sql.DataFrame.fillna", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.fillna", "kind": "function", "doc": "

Functionality Difference: If you provide a value to replace a null and that type conflicts\nwith the type of the column then PySpark will just ignore your replacement.\nThis will try to cast them to be the same in some cases. So they won't always match.\nBest to not mix types so make sure replacement is the same type as the column

\n\n

Possibility for improvement: Use typeof function to get the type of the column\nand check if it matches the type of the value provided. If not then make it null.

\n", "signature": "(\tself,\tvalue: <MagicMock id='140377707652544'>,\tsubset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.replace": {"fullname": "sqlglot.dataframe.sql.DataFrame.replace", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.replace", "kind": "function", "doc": "

\n", "signature": "(\tself,\tto_replace: Union[bool, int, float, str, List, Dict],\tvalue: Union[bool, int, float, str, List, NoneType] = None,\tsubset: Union[Collection[<MagicMock id='140377707950480'>], <MagicMock id='140377707950480'>, NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.withColumn": {"fullname": "sqlglot.dataframe.sql.DataFrame.withColumn", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.withColumn", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcolName: str,\tcol: sqlglot.dataframe.sql.column.Column) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.withColumnRenamed": {"fullname": "sqlglot.dataframe.sql.DataFrame.withColumnRenamed", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.withColumnRenamed", "kind": "function", "doc": "

\n", "signature": "(self, existing: str, new: str):", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.drop": {"fullname": "sqlglot.dataframe.sql.DataFrame.drop", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.drop", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*cols: Union[str, sqlglot.dataframe.sql.column.Column]) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.limit": {"fullname": "sqlglot.dataframe.sql.DataFrame.limit", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.limit", "kind": "function", "doc": "

\n", "signature": "(self, num: int) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.hint": {"fullname": "sqlglot.dataframe.sql.DataFrame.hint", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.hint", "kind": "function", "doc": "

\n", "signature": "(\tself,\tname: str,\t*parameters: Union[str, int, NoneType]) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.repartition": {"fullname": "sqlglot.dataframe.sql.DataFrame.repartition", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.repartition", "kind": "function", "doc": "

\n", "signature": "(\tself,\tnumPartitions: Union[int, <MagicMock id='140377708152048'>],\t*cols: <MagicMock id='140377708084144'>) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.coalesce": {"fullname": "sqlglot.dataframe.sql.DataFrame.coalesce", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.coalesce", "kind": "function", "doc": "

\n", "signature": "(self, numPartitions: int) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.cache": {"fullname": "sqlglot.dataframe.sql.DataFrame.cache", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.cache", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.persist": {"fullname": "sqlglot.dataframe.sql.DataFrame.persist", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.persist", "kind": "function", "doc": "

Storage Level Options: https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-aux-cache-cache-table.html

\n", "signature": "(\tself,\tstorageLevel: str = 'MEMORY_AND_DISK_SER') -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData": {"fullname": "sqlglot.dataframe.sql.GroupedData", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.GroupedData.__init__": {"fullname": "sqlglot.dataframe.sql.GroupedData.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.__init__", "kind": "function", "doc": "

\n", "signature": "(\tdf: sqlglot.dataframe.sql.dataframe.DataFrame,\tgroup_by_cols: List[sqlglot.dataframe.sql.column.Column],\tlast_op: sqlglot.dataframe.sql.operations.Operation)"}, "sqlglot.dataframe.sql.GroupedData.agg": {"fullname": "sqlglot.dataframe.sql.GroupedData.agg", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.agg", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*exprs: Union[sqlglot.dataframe.sql.column.Column, Dict[str, str]]) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.count": {"fullname": "sqlglot.dataframe.sql.GroupedData.count", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.count", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.mean": {"fullname": "sqlglot.dataframe.sql.GroupedData.mean", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.mean", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.avg": {"fullname": "sqlglot.dataframe.sql.GroupedData.avg", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.avg", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.max": {"fullname": "sqlglot.dataframe.sql.GroupedData.max", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.max", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.min": {"fullname": "sqlglot.dataframe.sql.GroupedData.min", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.min", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.sum": {"fullname": "sqlglot.dataframe.sql.GroupedData.sum", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.sum", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.pivot": {"fullname": "sqlglot.dataframe.sql.GroupedData.pivot", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.pivot", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column": {"fullname": "sqlglot.dataframe.sql.Column", "modulename": "sqlglot.dataframe.sql", "qualname": "Column", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.Column.__init__": {"fullname": "sqlglot.dataframe.sql.Column.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.__init__", "kind": "function", "doc": "

\n", "signature": "(\texpression: Union[<MagicMock id='140377710043744'>, sqlglot.expressions.Expression, NoneType])"}, "sqlglot.dataframe.sql.Column.ensure_col": {"fullname": "sqlglot.dataframe.sql.Column.ensure_col", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.ensure_col", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tvalue: Union[<MagicMock id='140377708259664'>, sqlglot.expressions.Expression, NoneType]):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.ensure_cols": {"fullname": "sqlglot.dataframe.sql.Column.ensure_cols", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.ensure_cols", "kind": "function", "doc": "

\n", "signature": "(\tcls,\targs: List[Union[<MagicMock id='140377708547664'>, sqlglot.expressions.Expression]]) -> List[sqlglot.dataframe.sql.column.Column]:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.invoke_anonymous_function": {"fullname": "sqlglot.dataframe.sql.Column.invoke_anonymous_function", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.invoke_anonymous_function", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tcolumn: Optional[<MagicMock id='140377708420048'>],\tfunc_name: str,\t*args: Optional[<MagicMock id='140377708523584'>]) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.invoke_expression_over_column": {"fullname": "sqlglot.dataframe.sql.Column.invoke_expression_over_column", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.invoke_expression_over_column", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tcolumn: Optional[<MagicMock id='140377708376176'>],\tcallable_expression: Callable,\t**kwargs) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.binary_op": {"fullname": "sqlglot.dataframe.sql.Column.binary_op", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.binary_op", "kind": "function", "doc": "

\n", "signature": "(\tself,\tklass: Callable,\tother: <MagicMock id='140377706598112'>,\t**kwargs) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.inverse_binary_op": {"fullname": "sqlglot.dataframe.sql.Column.inverse_binary_op", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.inverse_binary_op", "kind": "function", "doc": "

\n", "signature": "(\tself,\tklass: Callable,\tother: <MagicMock id='140377706608240'>,\t**kwargs) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.unary_op": {"fullname": "sqlglot.dataframe.sql.Column.unary_op", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.unary_op", "kind": "function", "doc": "

\n", "signature": "(self, klass: Callable, **kwargs) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.ensure_literal": {"fullname": "sqlglot.dataframe.sql.Column.ensure_literal", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.ensure_literal", "kind": "function", "doc": "

\n", "signature": "(cls, value) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.copy": {"fullname": "sqlglot.dataframe.sql.Column.copy", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.copy", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.set_table_name": {"fullname": "sqlglot.dataframe.sql.Column.set_table_name", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.set_table_name", "kind": "function", "doc": "

\n", "signature": "(self, table_name: str, copy=False) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.sql": {"fullname": "sqlglot.dataframe.sql.Column.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.sql", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> str:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.alias": {"fullname": "sqlglot.dataframe.sql.Column.alias", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.alias", "kind": "function", "doc": "

\n", "signature": "(self, name: str) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.asc": {"fullname": "sqlglot.dataframe.sql.Column.asc", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.asc", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.desc": {"fullname": "sqlglot.dataframe.sql.Column.desc", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.desc", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.asc_nulls_first": {"fullname": "sqlglot.dataframe.sql.Column.asc_nulls_first", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.asc_nulls_first", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.asc_nulls_last": {"fullname": "sqlglot.dataframe.sql.Column.asc_nulls_last", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.asc_nulls_last", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.desc_nulls_first": {"fullname": "sqlglot.dataframe.sql.Column.desc_nulls_first", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.desc_nulls_first", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.desc_nulls_last": {"fullname": "sqlglot.dataframe.sql.Column.desc_nulls_last", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.desc_nulls_last", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.when": {"fullname": "sqlglot.dataframe.sql.Column.when", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.when", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcondition: sqlglot.dataframe.sql.column.Column,\tvalue: Any) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.otherwise": {"fullname": "sqlglot.dataframe.sql.Column.otherwise", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.otherwise", "kind": "function", "doc": "

\n", "signature": "(self, value: Any) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.isNull": {"fullname": "sqlglot.dataframe.sql.Column.isNull", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.isNull", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.isNotNull": {"fullname": "sqlglot.dataframe.sql.Column.isNotNull", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.isNotNull", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.cast": {"fullname": "sqlglot.dataframe.sql.Column.cast", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.cast", "kind": "function", "doc": "

Functionality Difference: PySpark cast accepts a datatype instance of the datatype class\nSqlglot doesn't currently replicate this class so it only accepts a string

\n", "signature": "(self, dataType: Union[str, sqlglot.dataframe.sql.types.DataType]):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.startswith": {"fullname": "sqlglot.dataframe.sql.Column.startswith", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.startswith", "kind": "function", "doc": "

\n", "signature": "(\tself,\tvalue: Union[str, sqlglot.dataframe.sql.column.Column]) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.endswith": {"fullname": "sqlglot.dataframe.sql.Column.endswith", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.endswith", "kind": "function", "doc": "

\n", "signature": "(\tself,\tvalue: Union[str, sqlglot.dataframe.sql.column.Column]) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.rlike": {"fullname": "sqlglot.dataframe.sql.Column.rlike", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.rlike", "kind": "function", "doc": "

\n", "signature": "(self, regexp: str) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.like": {"fullname": "sqlglot.dataframe.sql.Column.like", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.like", "kind": "function", "doc": "

\n", "signature": "(self, other: str):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.ilike": {"fullname": "sqlglot.dataframe.sql.Column.ilike", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.ilike", "kind": "function", "doc": "

\n", "signature": "(self, other: str):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.substr": {"fullname": "sqlglot.dataframe.sql.Column.substr", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.substr", "kind": "function", "doc": "

\n", "signature": "(\tself,\tstartPos: Union[int, sqlglot.dataframe.sql.column.Column],\tlength: Union[int, sqlglot.dataframe.sql.column.Column]) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.isin": {"fullname": "sqlglot.dataframe.sql.Column.isin", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.isin", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*cols: Union[<MagicMock id='140377706743696'>, Iterable[<MagicMock id='140377706743696'>]]):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.between": {"fullname": "sqlglot.dataframe.sql.Column.between", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.between", "kind": "function", "doc": "

\n", "signature": "(\tself,\tlowerBound: <MagicMock id='140377706814464'>,\tupperBound: <MagicMock id='140377706852560'>) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.over": {"fullname": "sqlglot.dataframe.sql.Column.over", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.over", "kind": "function", "doc": "

\n", "signature": "(\tself,\twindow: <MagicMock id='140377706910272'>) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameNaFunctions": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.DataFrameNaFunctions.__init__": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions.__init__", "kind": "function", "doc": "

\n", "signature": "(df: sqlglot.dataframe.sql.dataframe.DataFrame)"}, "sqlglot.dataframe.sql.DataFrameNaFunctions.drop": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions.drop", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions.drop", "kind": "function", "doc": "

\n", "signature": "(\tself,\thow: str = 'any',\tthresh: Optional[int] = None,\tsubset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameNaFunctions.fill": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions.fill", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions.fill", "kind": "function", "doc": "

\n", "signature": "(\tself,\tvalue: Union[int, bool, float, str, Dict[str, Any]],\tsubset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameNaFunctions.replace": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions.replace", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions.replace", "kind": "function", "doc": "

\n", "signature": "(\tself,\tto_replace: Union[bool, int, float, str, List, Dict],\tvalue: Union[bool, int, float, str, List, NoneType] = None,\tsubset: Union[str, List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.Window": {"fullname": "sqlglot.dataframe.sql.Window", "modulename": "sqlglot.dataframe.sql", "qualname": "Window", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.Window.partitionBy": {"fullname": "sqlglot.dataframe.sql.Window.partitionBy", "modulename": "sqlglot.dataframe.sql", "qualname": "Window.partitionBy", "kind": "function", "doc": "

\n", "signature": "(\tcls,\t*cols: Union[<MagicMock id='140377707221328'>, List[<MagicMock id='140377707221328'>]]) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.Window.orderBy": {"fullname": "sqlglot.dataframe.sql.Window.orderBy", "modulename": "sqlglot.dataframe.sql", "qualname": "Window.orderBy", "kind": "function", "doc": "

\n", "signature": "(\tcls,\t*cols: Union[<MagicMock id='140377707360368'>, List[<MagicMock id='140377707360368'>]]) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.Window.rowsBetween": {"fullname": "sqlglot.dataframe.sql.Window.rowsBetween", "modulename": "sqlglot.dataframe.sql", "qualname": "Window.rowsBetween", "kind": "function", "doc": "

\n", "signature": "(cls, start: int, end: int) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.Window.rangeBetween": {"fullname": "sqlglot.dataframe.sql.Window.rangeBetween", "modulename": "sqlglot.dataframe.sql", "qualname": "Window.rangeBetween", "kind": "function", "doc": "

\n", "signature": "(cls, start: int, end: int) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec": {"fullname": "sqlglot.dataframe.sql.WindowSpec", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.WindowSpec.__init__": {"fullname": "sqlglot.dataframe.sql.WindowSpec.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression = (WINDOW ))"}, "sqlglot.dataframe.sql.WindowSpec.copy": {"fullname": "sqlglot.dataframe.sql.WindowSpec.copy", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.copy", "kind": "function", "doc": "

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.sql": {"fullname": "sqlglot.dataframe.sql.WindowSpec.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.sql", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> str:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.partitionBy": {"fullname": "sqlglot.dataframe.sql.WindowSpec.partitionBy", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.partitionBy", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*cols: Union[<MagicMock id='140377707291568'>, List[<MagicMock id='140377707291568'>]]) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.orderBy": {"fullname": "sqlglot.dataframe.sql.WindowSpec.orderBy", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.orderBy", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*cols: Union[<MagicMock id='140377707161408'>, List[<MagicMock id='140377707161408'>]]) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.rowsBetween": {"fullname": "sqlglot.dataframe.sql.WindowSpec.rowsBetween", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.rowsBetween", "kind": "function", "doc": "

\n", "signature": "(self, start: int, end: int) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.rangeBetween": {"fullname": "sqlglot.dataframe.sql.WindowSpec.rangeBetween", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.rangeBetween", "kind": "function", "doc": "

\n", "signature": "(self, start: int, end: int) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameReader": {"fullname": "sqlglot.dataframe.sql.DataFrameReader", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameReader", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.DataFrameReader.__init__": {"fullname": "sqlglot.dataframe.sql.DataFrameReader.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameReader.__init__", "kind": "function", "doc": "

\n", "signature": "(spark: sqlglot.dataframe.sql.session.SparkSession)"}, "sqlglot.dataframe.sql.DataFrameReader.table": {"fullname": "sqlglot.dataframe.sql.DataFrameReader.table", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameReader.table", "kind": "function", "doc": "

\n", "signature": "(self, tableName: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.DataFrameWriter.__init__": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.__init__", "kind": "function", "doc": "

\n", "signature": "(\tdf: sqlglot.dataframe.sql.dataframe.DataFrame,\tspark: Optional[sqlglot.dataframe.sql.session.SparkSession] = None,\tmode: Optional[str] = None,\tby_name: bool = False)"}, "sqlglot.dataframe.sql.DataFrameWriter.copy": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.copy", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.copy", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> sqlglot.dataframe.sql.readwriter.DataFrameWriter:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter.sql": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.sql", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> List[str]:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter.mode": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.mode", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.mode", "kind": "function", "doc": "

\n", "signature": "(\tself,\tsaveMode: Optional[str]) -> sqlglot.dataframe.sql.readwriter.DataFrameWriter:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter.insertInto": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.insertInto", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.insertInto", "kind": "function", "doc": "

\n", "signature": "(\tself,\ttableName: str,\toverwrite: Optional[bool] = None) -> sqlglot.dataframe.sql.readwriter.DataFrameWriter:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter.saveAsTable": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.saveAsTable", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.saveAsTable", "kind": "function", "doc": "

\n", "signature": "(\tself,\tname: str,\tformat: Optional[str] = None,\tmode: Optional[str] = None):", "funcdef": "def"}, "sqlglot.dialects": {"fullname": "sqlglot.dialects", "modulename": "sqlglot.dialects", "kind": "module", "doc": "

Dialects

\n\n

While there is a SQL standard, most SQL engines support a variation of that standard. This makes it difficult\nto write portable SQL code. SQLGlot bridges all the different variations, called \"dialects\", with an extensible\nSQL transpilation framework.

\n\n

The base sqlglot.dialects.dialect.Dialect class implements a generic dialect that aims to be as universal as possible.

\n\n

Each SQL variation has its own Dialect subclass, extending the corresponding Tokenizer, Parser and Generator\nclasses as needed.

\n\n

Implementing a custom Dialect

\n\n

Consider the following example:

\n\n
\n
from sqlglot import exp\nfrom sqlglot.dialects.dialect import Dialect\nfrom sqlglot.generator import Generator\nfrom sqlglot.tokens import Tokenizer, TokenType\n\n\nclass Custom(Dialect):\n    class Tokenizer(Tokenizer):\n        QUOTES = ["'", '"']\n        IDENTIFIERS = ["`"]\n\n        KEYWORDS = {\n            **Tokenizer.KEYWORDS,\n            "INT64": TokenType.BIGINT,\n            "FLOAT64": TokenType.DOUBLE,\n        }\n\n    class Generator(Generator):\n        TRANSFORMS = {exp.Array: lambda self, e: f"[{self.expressions(e)}]"}\n\n        TYPE_MAPPING = {\n            exp.DataType.Type.TINYINT: "INT64",\n            exp.DataType.Type.SMALLINT: "INT64",\n            exp.DataType.Type.INT: "INT64",\n            exp.DataType.Type.BIGINT: "INT64",\n            exp.DataType.Type.DECIMAL: "NUMERIC",\n            exp.DataType.Type.FLOAT: "FLOAT64",\n            exp.DataType.Type.DOUBLE: "FLOAT64",\n            exp.DataType.Type.BOOLEAN: "BOOL",\n            exp.DataType.Type.TEXT: "STRING",\n        }\n
\n
\n\n

This is a typical example of adding a new dialect implementation in SQLGlot: we specify its identifier and string\ndelimiters, as well as what tokens it uses for its types and how they're associated with SQLGlot types. Since\nthe Expression classes are common for each dialect supported in SQLGlot, we may also need to override the generation\nlogic for some expressions; this is usually done by adding new entries to the TRANSFORMS mapping.

\n\n
\n"}, "sqlglot.dialects.bigquery": {"fullname": "sqlglot.dialects.bigquery", "modulename": "sqlglot.dialects.bigquery", "kind": "module", "doc": "

Supports BigQuery Standard SQL.

\n"}, "sqlglot.dialects.bigquery.BigQuery": {"fullname": "sqlglot.dialects.bigquery.BigQuery", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.bigquery.BigQuery.Tokenizer": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Tokenizer", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.bigquery.BigQuery.Parser": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Parser", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.bigquery.BigQuery.Generator": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.bigquery.BigQuery.Generator.array_sql": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.array_sql", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.array_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Array) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.transaction_sql": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.transaction_sql", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.transaction_sql", "kind": "function", "doc": "

\n", "signature": "(self, *_) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.commit_sql": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.commit_sql", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.commit_sql", "kind": "function", "doc": "

\n", "signature": "(self, *_) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.rollback_sql": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.rollback_sql", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.rollback_sql", "kind": "function", "doc": "

\n", "signature": "(self, *_) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.in_unnest_op": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.in_unnest_op", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.in_unnest_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Unnest) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.except_op": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.except_op", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.except_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Except) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.intersect_op": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.intersect_op", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.intersect_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Intersect) -> str:", "funcdef": "def"}, "sqlglot.dialects.clickhouse": {"fullname": "sqlglot.dialects.clickhouse", "modulename": "sqlglot.dialects.clickhouse", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.clickhouse.ClickHouse": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.clickhouse.ClickHouse.Tokenizer": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse.Tokenizer", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.clickhouse.ClickHouse.Parser": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse.Parser", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.clickhouse.ClickHouse.Generator": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse.Generator", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.clickhouse.ClickHouse.Generator.cte_sql": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse.Generator.cte_sql", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse.Generator.cte_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.CTE) -> str:", "funcdef": "def"}, "sqlglot.dialects.databricks": {"fullname": "sqlglot.dialects.databricks", "modulename": "sqlglot.dialects.databricks", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.databricks.Databricks": {"fullname": "sqlglot.dialects.databricks.Databricks", "modulename": "sqlglot.dialects.databricks", "qualname": "Databricks", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.spark.Spark"}, "sqlglot.dialects.databricks.Databricks.Parser": {"fullname": "sqlglot.dialects.databricks.Databricks.Parser", "modulename": "sqlglot.dialects.databricks", "qualname": "Databricks.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.dialects.spark.Spark.Parser"}, "sqlglot.dialects.databricks.Databricks.Generator": {"fullname": "sqlglot.dialects.databricks.Databricks.Generator", "modulename": "sqlglot.dialects.databricks", "qualname": "Databricks.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.spark.Spark.Generator"}, "sqlglot.dialects.databricks.Databricks.Tokenizer": {"fullname": "sqlglot.dialects.databricks.Databricks.Tokenizer", "modulename": "sqlglot.dialects.databricks", "qualname": "Databricks.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.spark.Spark.Tokenizer"}, "sqlglot.dialects.dialect": {"fullname": "sqlglot.dialects.dialect", "modulename": "sqlglot.dialects.dialect", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.dialect.Dialects": {"fullname": "sqlglot.dialects.dialect.Dialects", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects", "kind": "class", "doc": "

An enumeration.

\n", "bases": "builtins.str, enum.Enum"}, "sqlglot.dialects.dialect.Dialects.DIALECT": {"fullname": "sqlglot.dialects.dialect.Dialects.DIALECT", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.DIALECT", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.DIALECT: ''>"}, "sqlglot.dialects.dialect.Dialects.BIGQUERY": {"fullname": "sqlglot.dialects.dialect.Dialects.BIGQUERY", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.BIGQUERY", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.BIGQUERY: 'bigquery'>"}, "sqlglot.dialects.dialect.Dialects.CLICKHOUSE": {"fullname": "sqlglot.dialects.dialect.Dialects.CLICKHOUSE", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.CLICKHOUSE", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.CLICKHOUSE: 'clickhouse'>"}, "sqlglot.dialects.dialect.Dialects.DUCKDB": {"fullname": "sqlglot.dialects.dialect.Dialects.DUCKDB", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.DUCKDB", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.DUCKDB: 'duckdb'>"}, "sqlglot.dialects.dialect.Dialects.HIVE": {"fullname": "sqlglot.dialects.dialect.Dialects.HIVE", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.HIVE", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.HIVE: 'hive'>"}, "sqlglot.dialects.dialect.Dialects.MYSQL": {"fullname": "sqlglot.dialects.dialect.Dialects.MYSQL", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.MYSQL", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.MYSQL: 'mysql'>"}, "sqlglot.dialects.dialect.Dialects.ORACLE": {"fullname": "sqlglot.dialects.dialect.Dialects.ORACLE", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.ORACLE", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.ORACLE: 'oracle'>"}, "sqlglot.dialects.dialect.Dialects.POSTGRES": {"fullname": "sqlglot.dialects.dialect.Dialects.POSTGRES", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.POSTGRES", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.POSTGRES: 'postgres'>"}, "sqlglot.dialects.dialect.Dialects.PRESTO": {"fullname": "sqlglot.dialects.dialect.Dialects.PRESTO", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.PRESTO", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.PRESTO: 'presto'>"}, "sqlglot.dialects.dialect.Dialects.REDSHIFT": {"fullname": "sqlglot.dialects.dialect.Dialects.REDSHIFT", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.REDSHIFT", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.REDSHIFT: 'redshift'>"}, "sqlglot.dialects.dialect.Dialects.SNOWFLAKE": {"fullname": "sqlglot.dialects.dialect.Dialects.SNOWFLAKE", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.SNOWFLAKE", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.SNOWFLAKE: 'snowflake'>"}, "sqlglot.dialects.dialect.Dialects.SPARK": {"fullname": "sqlglot.dialects.dialect.Dialects.SPARK", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.SPARK", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.SPARK: 'spark'>"}, "sqlglot.dialects.dialect.Dialects.SQLITE": {"fullname": "sqlglot.dialects.dialect.Dialects.SQLITE", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.SQLITE", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.SQLITE: 'sqlite'>"}, "sqlglot.dialects.dialect.Dialects.STARROCKS": {"fullname": "sqlglot.dialects.dialect.Dialects.STARROCKS", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.STARROCKS", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.STARROCKS: 'starrocks'>"}, "sqlglot.dialects.dialect.Dialects.TABLEAU": {"fullname": "sqlglot.dialects.dialect.Dialects.TABLEAU", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.TABLEAU", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.TABLEAU: 'tableau'>"}, "sqlglot.dialects.dialect.Dialects.TRINO": {"fullname": "sqlglot.dialects.dialect.Dialects.TRINO", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.TRINO", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.TRINO: 'trino'>"}, "sqlglot.dialects.dialect.Dialects.TSQL": {"fullname": "sqlglot.dialects.dialect.Dialects.TSQL", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.TSQL", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.TSQL: 'tsql'>"}, "sqlglot.dialects.dialect.Dialects.DATABRICKS": {"fullname": "sqlglot.dialects.dialect.Dialects.DATABRICKS", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.DATABRICKS", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.DATABRICKS: 'databricks'>"}, "sqlglot.dialects.dialect.Dialects.DRILL": {"fullname": "sqlglot.dialects.dialect.Dialects.DRILL", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.DRILL", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.DRILL: 'drill'>"}, "sqlglot.dialects.dialect.Dialects.TERADATA": {"fullname": "sqlglot.dialects.dialect.Dialects.TERADATA", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialects.TERADATA", "kind": "variable", "doc": "

\n", "default_value": "<Dialects.TERADATA: 'teradata'>"}, "sqlglot.dialects.dialect.Dialect": {"fullname": "sqlglot.dialects.dialect.Dialect", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect", "kind": "class", "doc": "

\n"}, "sqlglot.dialects.dialect.Dialect.get_or_raise": {"fullname": "sqlglot.dialects.dialect.Dialect.get_or_raise", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect.get_or_raise", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType]) -> Type[sqlglot.dialects.dialect.Dialect]:", "funcdef": "def"}, "sqlglot.dialects.dialect.Dialect.format_time": {"fullname": "sqlglot.dialects.dialect.Dialect.format_time", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect.format_time", "kind": "function", "doc": "

\n", "signature": "(\tcls,\texpression: Union[str, sqlglot.expressions.Expression, NoneType]) -> Optional[sqlglot.expressions.Expression]:", "funcdef": "def"}, "sqlglot.dialects.dialect.Dialect.parse": {"fullname": "sqlglot.dialects.dialect.Dialect.parse", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect.parse", "kind": "function", "doc": "

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\n", "signature": "(\tself,\texpression: Optional[sqlglot.expressions.Expression],\t**opts) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.Dialect.transpile": {"fullname": "sqlglot.dialects.dialect.Dialect.transpile", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect.transpile", "kind": "function", "doc": "

\n", "signature": "(self, sql: str, **opts) -> List[str]:", "funcdef": "def"}, "sqlglot.dialects.dialect.Dialect.tokenize": {"fullname": "sqlglot.dialects.dialect.Dialect.tokenize", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect.tokenize", "kind": "function", "doc": "

\n", "signature": "(self, sql: str) -> List[sqlglot.tokens.Token]:", "funcdef": "def"}, "sqlglot.dialects.dialect.Dialect.parser": {"fullname": "sqlglot.dialects.dialect.Dialect.parser", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect.parser", "kind": "function", "doc": "

\n", "signature": "(self, **opts) -> sqlglot.parser.Parser:", "funcdef": "def"}, "sqlglot.dialects.dialect.Dialect.generator": {"fullname": "sqlglot.dialects.dialect.Dialect.generator", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect.generator", "kind": "function", "doc": "

\n", "signature": "(self, **opts) -> sqlglot.generator.Generator:", "funcdef": "def"}, "sqlglot.dialects.dialect.rename_func": {"fullname": "sqlglot.dialects.dialect.rename_func", "modulename": "sqlglot.dialects.dialect", "qualname": "rename_func", "kind": "function", "doc": "

\n", "signature": "(\tname: str) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:", "funcdef": "def"}, "sqlglot.dialects.dialect.approx_count_distinct_sql": {"fullname": "sqlglot.dialects.dialect.approx_count_distinct_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "approx_count_distinct_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.ApproxDistinct) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.if_sql": {"fullname": "sqlglot.dialects.dialect.if_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "if_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.If) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.arrow_json_extract_sql": {"fullname": "sqlglot.dialects.dialect.arrow_json_extract_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "arrow_json_extract_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.JSONExtract | sqlglot.expressions.JSONBExtract) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.arrow_json_extract_scalar_sql": {"fullname": "sqlglot.dialects.dialect.arrow_json_extract_scalar_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "arrow_json_extract_scalar_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.JSONExtractScalar | sqlglot.expressions.JSONBExtractScalar) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.inline_array_sql": {"fullname": "sqlglot.dialects.dialect.inline_array_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "inline_array_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Array) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.no_ilike_sql": {"fullname": "sqlglot.dialects.dialect.no_ilike_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "no_ilike_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.ILike) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.no_paren_current_date_sql": {"fullname": "sqlglot.dialects.dialect.no_paren_current_date_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "no_paren_current_date_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.CurrentDate) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.no_recursive_cte_sql": {"fullname": "sqlglot.dialects.dialect.no_recursive_cte_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "no_recursive_cte_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.With) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.no_safe_divide_sql": {"fullname": "sqlglot.dialects.dialect.no_safe_divide_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "no_safe_divide_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.SafeDivide) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.no_tablesample_sql": {"fullname": "sqlglot.dialects.dialect.no_tablesample_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "no_tablesample_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.TableSample) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.no_pivot_sql": {"fullname": "sqlglot.dialects.dialect.no_pivot_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "no_pivot_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Pivot) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.no_trycast_sql": {"fullname": "sqlglot.dialects.dialect.no_trycast_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "no_trycast_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.TryCast) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.no_properties_sql": {"fullname": "sqlglot.dialects.dialect.no_properties_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "no_properties_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Properties) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.no_comment_column_constraint_sql": {"fullname": "sqlglot.dialects.dialect.no_comment_column_constraint_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "no_comment_column_constraint_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.CommentColumnConstraint) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.str_position_sql": {"fullname": "sqlglot.dialects.dialect.str_position_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "str_position_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.StrPosition) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.struct_extract_sql": {"fullname": "sqlglot.dialects.dialect.struct_extract_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "struct_extract_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.StructExtract) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.var_map_sql": {"fullname": "sqlglot.dialects.dialect.var_map_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "var_map_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Map | sqlglot.expressions.VarMap,\tmap_func_name: str = 'MAP') -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.format_time_lambda": {"fullname": "sqlglot.dialects.dialect.format_time_lambda", "modulename": "sqlglot.dialects.dialect", "qualname": "format_time_lambda", "kind": "function", "doc": "

Helper used for time expressions.

\n\n
Arguments:
\n\n
    \n
  • exp_class: the expression class to instantiate.
    • \n
  • dialect: target sql dialect.
    • \n
  • default: the default format, True being time.
    • \n
\n\n
Returns:
\n\n
\n

A callable that can be used to return the appropriately formatted time expression.

\n
\n", "signature": "(\texp_class: Type[~E],\tdialect: str,\tdefault: Union[bool, str, NoneType] = None) -> Callable[[Sequence], ~E]:", "funcdef": "def"}, "sqlglot.dialects.dialect.create_with_partitions_sql": {"fullname": "sqlglot.dialects.dialect.create_with_partitions_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "create_with_partitions_sql", "kind": "function", "doc": "

In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the\nPARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding\ncolumns are removed from the create statement.

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Create) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.parse_date_delta": {"fullname": "sqlglot.dialects.dialect.parse_date_delta", "modulename": "sqlglot.dialects.dialect", "qualname": "parse_date_delta", "kind": "function", "doc": "

\n", "signature": "(\texp_class: Type[~E],\tunit_mapping: Optional[Dict[str, str]] = None) -> Callable[[Sequence], ~E]:", "funcdef": "def"}, "sqlglot.dialects.dialect.parse_date_delta_with_interval": {"fullname": "sqlglot.dialects.dialect.parse_date_delta_with_interval", "modulename": "sqlglot.dialects.dialect", "qualname": "parse_date_delta_with_interval", "kind": "function", "doc": "

\n", "signature": "(expression_class: Type[~E]) -> Callable[[Sequence], Optional[~E]]:", "funcdef": "def"}, "sqlglot.dialects.dialect.date_trunc_to_time": {"fullname": "sqlglot.dialects.dialect.date_trunc_to_time", "modulename": "sqlglot.dialects.dialect", "qualname": "date_trunc_to_time", "kind": "function", "doc": "

\n", "signature": "(\targs: Sequence) -> sqlglot.expressions.DateTrunc | sqlglot.expressions.TimestampTrunc:", "funcdef": "def"}, "sqlglot.dialects.dialect.timestamptrunc_sql": {"fullname": "sqlglot.dialects.dialect.timestamptrunc_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "timestamptrunc_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.TimestampTrunc) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.locate_to_strposition": {"fullname": "sqlglot.dialects.dialect.locate_to_strposition", "modulename": "sqlglot.dialects.dialect", "qualname": "locate_to_strposition", "kind": "function", "doc": "

\n", "signature": "(args: Sequence) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.dialects.dialect.strposition_to_locate_sql": {"fullname": "sqlglot.dialects.dialect.strposition_to_locate_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "strposition_to_locate_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.StrPosition) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.timestrtotime_sql": {"fullname": "sqlglot.dialects.dialect.timestrtotime_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "timestrtotime_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.TimeStrToTime) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.datestrtodate_sql": {"fullname": "sqlglot.dialects.dialect.datestrtodate_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "datestrtodate_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.DateStrToDate) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.min_or_least": {"fullname": "sqlglot.dialects.dialect.min_or_least", "modulename": "sqlglot.dialects.dialect", "qualname": "min_or_least", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Min) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.max_or_greatest": {"fullname": "sqlglot.dialects.dialect.max_or_greatest", "modulename": "sqlglot.dialects.dialect", "qualname": "max_or_greatest", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Max) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.count_if_to_sum": {"fullname": "sqlglot.dialects.dialect.count_if_to_sum", "modulename": "sqlglot.dialects.dialect", "qualname": "count_if_to_sum", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.CountIf) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.trim_sql": {"fullname": "sqlglot.dialects.dialect.trim_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "trim_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Trim) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.str_to_time_sql": {"fullname": "sqlglot.dialects.dialect.str_to_time_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "str_to_time_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Expression) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.ts_or_ds_to_date_sql": {"fullname": "sqlglot.dialects.dialect.ts_or_ds_to_date_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "ts_or_ds_to_date_sql", "kind": "function", "doc": "

\n", "signature": "(dialect: str) -> Callable:", "funcdef": "def"}, "sqlglot.dialects.drill": {"fullname": "sqlglot.dialects.drill", "modulename": "sqlglot.dialects.drill", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.drill.Drill": {"fullname": "sqlglot.dialects.drill.Drill", "modulename": "sqlglot.dialects.drill", "qualname": "Drill", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.drill.Drill.Tokenizer": {"fullname": "sqlglot.dialects.drill.Drill.Tokenizer", "modulename": "sqlglot.dialects.drill", "qualname": "Drill.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.drill.Drill.Parser": {"fullname": "sqlglot.dialects.drill.Drill.Parser", "modulename": "sqlglot.dialects.drill", "qualname": "Drill.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.drill.Drill.Generator": {"fullname": "sqlglot.dialects.drill.Drill.Generator", "modulename": "sqlglot.dialects.drill", "qualname": "Drill.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.drill.Drill.Generator.normalize_func": {"fullname": "sqlglot.dialects.drill.Drill.Generator.normalize_func", "modulename": "sqlglot.dialects.drill", "qualname": "Drill.Generator.normalize_func", "kind": "function", "doc": "

\n", "signature": "(self, name: str) -> str:", "funcdef": "def"}, "sqlglot.dialects.duckdb": {"fullname": "sqlglot.dialects.duckdb", "modulename": "sqlglot.dialects.duckdb", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.duckdb.DuckDB": {"fullname": "sqlglot.dialects.duckdb.DuckDB", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.duckdb.DuckDB.Tokenizer": {"fullname": "sqlglot.dialects.duckdb.DuckDB.Tokenizer", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.duckdb.DuckDB.Parser": {"fullname": "sqlglot.dialects.duckdb.DuckDB.Parser", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.duckdb.DuckDB.Generator": {"fullname": "sqlglot.dialects.duckdb.DuckDB.Generator", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.duckdb.DuckDB.Generator.tablesample_sql": {"fullname": "sqlglot.dialects.duckdb.DuckDB.Generator.tablesample_sql", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB.Generator.tablesample_sql", "kind": "function", "doc": "

\n", "signature": "(\tself,\texpression: sqlglot.expressions.TableSample,\tseed_prefix: str = 'SEED') -> str:", "funcdef": "def"}, "sqlglot.dialects.hive": {"fullname": "sqlglot.dialects.hive", "modulename": "sqlglot.dialects.hive", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.hive.Hive": {"fullname": "sqlglot.dialects.hive.Hive", "modulename": "sqlglot.dialects.hive", "qualname": "Hive", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.hive.Hive.Tokenizer": {"fullname": "sqlglot.dialects.hive.Hive.Tokenizer", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.hive.Hive.Parser": {"fullname": "sqlglot.dialects.hive.Hive.Parser", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.hive.Hive.Generator": {"fullname": "sqlglot.dialects.hive.Hive.Generator", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.hive.Hive.Generator.arrayagg_sql": {"fullname": "sqlglot.dialects.hive.Hive.Generator.arrayagg_sql", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Generator.arrayagg_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ArrayAgg) -> str:", "funcdef": "def"}, "sqlglot.dialects.hive.Hive.Generator.with_properties": {"fullname": "sqlglot.dialects.hive.Hive.Generator.with_properties", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Generator.with_properties", "kind": "function", "doc": "

\n", "signature": "(self, properties: sqlglot.expressions.Properties) -> str:", "funcdef": "def"}, "sqlglot.dialects.hive.Hive.Generator.datatype_sql": {"fullname": "sqlglot.dialects.hive.Hive.Generator.datatype_sql", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Generator.datatype_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DataType) -> str:", "funcdef": "def"}, "sqlglot.dialects.mysql": {"fullname": "sqlglot.dialects.mysql", "modulename": "sqlglot.dialects.mysql", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.mysql.MySQL": {"fullname": "sqlglot.dialects.mysql.MySQL", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.mysql.MySQL.Tokenizer": {"fullname": "sqlglot.dialects.mysql.MySQL.Tokenizer", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.mysql.MySQL.Parser": {"fullname": "sqlglot.dialects.mysql.MySQL.Parser", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.mysql.MySQL.Generator": {"fullname": "sqlglot.dialects.mysql.MySQL.Generator", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.mysql.MySQL.Generator.show_sql": {"fullname": "sqlglot.dialects.mysql.MySQL.Generator.show_sql", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Generator.show_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Show) -> str:", "funcdef": "def"}, "sqlglot.dialects.oracle": {"fullname": "sqlglot.dialects.oracle", "modulename": "sqlglot.dialects.oracle", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.oracle.Oracle": {"fullname": "sqlglot.dialects.oracle.Oracle", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.oracle.Oracle.Parser": {"fullname": "sqlglot.dialects.oracle.Oracle.Parser", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.oracle.Oracle.Generator": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.oracle.Oracle.Generator.offset_sql": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator.offset_sql", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator.offset_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Offset) -> str:", "funcdef": "def"}, "sqlglot.dialects.oracle.Oracle.Generator.column_sql": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator.column_sql", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator.column_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Column) -> str:", "funcdef": "def"}, "sqlglot.dialects.oracle.Oracle.Generator.xmltable_sql": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator.xmltable_sql", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator.xmltable_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.XMLTable) -> str:", "funcdef": "def"}, "sqlglot.dialects.oracle.Oracle.Tokenizer": {"fullname": "sqlglot.dialects.oracle.Oracle.Tokenizer", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.postgres": {"fullname": "sqlglot.dialects.postgres", "modulename": "sqlglot.dialects.postgres", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.postgres.Postgres": {"fullname": "sqlglot.dialects.postgres.Postgres", "modulename": "sqlglot.dialects.postgres", "qualname": "Postgres", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.postgres.Postgres.Tokenizer": {"fullname": "sqlglot.dialects.postgres.Postgres.Tokenizer", "modulename": "sqlglot.dialects.postgres", "qualname": "Postgres.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.postgres.Postgres.Parser": {"fullname": "sqlglot.dialects.postgres.Postgres.Parser", "modulename": "sqlglot.dialects.postgres", "qualname": "Postgres.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.postgres.Postgres.Generator": {"fullname": "sqlglot.dialects.postgres.Postgres.Generator", "modulename": "sqlglot.dialects.postgres", "qualname": "Postgres.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.presto": {"fullname": "sqlglot.dialects.presto", "modulename": "sqlglot.dialects.presto", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.presto.Presto": {"fullname": "sqlglot.dialects.presto.Presto", "modulename": "sqlglot.dialects.presto", "qualname": "Presto", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.presto.Presto.Tokenizer": {"fullname": "sqlglot.dialects.presto.Presto.Tokenizer", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.presto.Presto.Parser": {"fullname": "sqlglot.dialects.presto.Presto.Parser", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.presto.Presto.Generator": {"fullname": "sqlglot.dialects.presto.Presto.Generator", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.presto.Presto.Generator.interval_sql": {"fullname": "sqlglot.dialects.presto.Presto.Generator.interval_sql", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Generator.interval_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Interval) -> str:", "funcdef": "def"}, "sqlglot.dialects.presto.Presto.Generator.transaction_sql": {"fullname": "sqlglot.dialects.presto.Presto.Generator.transaction_sql", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Generator.transaction_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Transaction) -> str:", "funcdef": "def"}, "sqlglot.dialects.redshift": {"fullname": "sqlglot.dialects.redshift", "modulename": "sqlglot.dialects.redshift", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.redshift.Redshift": {"fullname": "sqlglot.dialects.redshift.Redshift", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.postgres.Postgres"}, "sqlglot.dialects.redshift.Redshift.Parser": {"fullname": "sqlglot.dialects.redshift.Redshift.Parser", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.dialects.postgres.Postgres.Parser"}, "sqlglot.dialects.redshift.Redshift.Tokenizer": {"fullname": "sqlglot.dialects.redshift.Redshift.Tokenizer", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.postgres.Postgres.Tokenizer"}, "sqlglot.dialects.redshift.Redshift.Generator": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.postgres.Postgres.Generator"}, "sqlglot.dialects.redshift.Redshift.Generator.values_sql": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator.values_sql", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator.values_sql", "kind": "function", "doc": "

Converts VALUES... expression into a series of unions.

\n\n

Note: If you have a lot of unions then this will result in a large number of recursive statements to\nevaluate the expression. You may need to increase sys.setrecursionlimit to run and it can also be\nvery slow.

\n", "signature": "(self, expression: sqlglot.expressions.Values) -> str:", "funcdef": "def"}, "sqlglot.dialects.redshift.Redshift.Generator.with_properties": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator.with_properties", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator.with_properties", "kind": "function", "doc": "

Redshift doesn't have WITH as part of their with_properties so we remove it

\n", "signature": "(self, properties: sqlglot.expressions.Properties) -> str:", "funcdef": "def"}, "sqlglot.dialects.redshift.Redshift.Generator.renametable_sql": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator.renametable_sql", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator.renametable_sql", "kind": "function", "doc": "

Redshift only supports defining the table name itself (not the db) when renaming tables

\n", "signature": "(self, expression: sqlglot.expressions.RenameTable) -> str:", "funcdef": "def"}, "sqlglot.dialects.redshift.Redshift.Generator.datatype_sql": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator.datatype_sql", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator.datatype_sql", "kind": "function", "doc": "

Redshift converts the TEXT data type to VARCHAR(255) by default when people more generally mean\nVARCHAR of max length which is VARCHAR(max) in Redshift. Therefore if we get a TEXT data type\nwithout precision we convert it to VARCHAR(max) and if it does have precision then we just convert\nTEXT to VARCHAR.

\n", "signature": "(self, expression: sqlglot.expressions.DataType) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake": {"fullname": "sqlglot.dialects.snowflake", "modulename": "sqlglot.dialects.snowflake", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.snowflake.Snowflake": {"fullname": "sqlglot.dialects.snowflake.Snowflake", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.snowflake.Snowflake.Parser": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Parser", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.snowflake.Snowflake.Tokenizer": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Tokenizer", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.snowflake.Snowflake.Generator": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.snowflake.Snowflake.Generator.except_op": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.except_op", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.except_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Except) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.intersect_op": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.intersect_op", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.intersect_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Intersect) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.values_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.values_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.values_sql", "kind": "function", "doc": "

Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.

\n\n

We also want to make sure that after we find matches where we need to unquote a column that we prevent users\nfrom adding quotes to the column by using the identify argument when generating the SQL.

\n", "signature": "(self, expression: sqlglot.expressions.Values) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.settag_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.settag_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.settag_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.SetTag) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.select_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.select_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.select_sql", "kind": "function", "doc": "

Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also\nthat all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need\nto unquote a column that we prevent users from adding quotes to the column by using the identify argument when\ngenerating the SQL.

\n\n

Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the\nexpression. This might not be true in a case where the same column name can be sourced from another table that can\nproperly quote but should be true in most cases.

\n", "signature": "(self, expression: sqlglot.expressions.Select) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.describe_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.describe_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.describe_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Describe) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.generatedasidentitycolumnconstraint_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.generatedasidentitycolumnconstraint_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.generatedasidentitycolumnconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(\tself,\texpression: sqlglot.expressions.GeneratedAsIdentityColumnConstraint) -> str:", "funcdef": "def"}, "sqlglot.dialects.spark": {"fullname": "sqlglot.dialects.spark", "modulename": "sqlglot.dialects.spark", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.spark.Spark": {"fullname": "sqlglot.dialects.spark.Spark", "modulename": "sqlglot.dialects.spark", "qualname": "Spark", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.hive.Hive"}, "sqlglot.dialects.spark.Spark.Parser": {"fullname": "sqlglot.dialects.spark.Spark.Parser", "modulename": "sqlglot.dialects.spark", "qualname": "Spark.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.dialects.hive.Hive.Parser"}, "sqlglot.dialects.spark.Spark.Generator": {"fullname": "sqlglot.dialects.spark.Spark.Generator", "modulename": "sqlglot.dialects.spark", "qualname": "Spark.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.hive.Hive.Generator"}, "sqlglot.dialects.spark.Spark.Generator.cast_sql": {"fullname": "sqlglot.dialects.spark.Spark.Generator.cast_sql", "modulename": "sqlglot.dialects.spark", "qualname": "Spark.Generator.cast_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Cast) -> str:", "funcdef": "def"}, "sqlglot.dialects.spark.Spark.Tokenizer": {"fullname": "sqlglot.dialects.spark.Spark.Tokenizer", "modulename": "sqlglot.dialects.spark", "qualname": "Spark.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.hive.Hive.Tokenizer"}, "sqlglot.dialects.sqlite": {"fullname": "sqlglot.dialects.sqlite", "modulename": "sqlglot.dialects.sqlite", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.sqlite.SQLite": {"fullname": "sqlglot.dialects.sqlite.SQLite", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.sqlite.SQLite.Tokenizer": {"fullname": "sqlglot.dialects.sqlite.SQLite.Tokenizer", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.sqlite.SQLite.Parser": {"fullname": "sqlglot.dialects.sqlite.SQLite.Parser", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.sqlite.SQLite.Generator": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.sqlite.SQLite.Generator.cast_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.cast_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.cast_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Cast) -> str:", "funcdef": "def"}, "sqlglot.dialects.sqlite.SQLite.Generator.datediff_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.datediff_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.datediff_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DateDiff) -> str:", "funcdef": "def"}, "sqlglot.dialects.sqlite.SQLite.Generator.groupconcat_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.groupconcat_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.groupconcat_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression):", "funcdef": "def"}, "sqlglot.dialects.sqlite.SQLite.Generator.least_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.least_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.least_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Least) -> str:", "funcdef": "def"}, "sqlglot.dialects.sqlite.SQLite.Generator.transaction_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.transaction_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.transaction_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Transaction) -> str:", "funcdef": "def"}, "sqlglot.dialects.starrocks": {"fullname": "sqlglot.dialects.starrocks", "modulename": "sqlglot.dialects.starrocks", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.starrocks.StarRocks": {"fullname": "sqlglot.dialects.starrocks.StarRocks", "modulename": "sqlglot.dialects.starrocks", "qualname": "StarRocks", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.mysql.MySQL"}, "sqlglot.dialects.starrocks.StarRocks.Parser": {"fullname": "sqlglot.dialects.starrocks.StarRocks.Parser", "modulename": "sqlglot.dialects.starrocks", "qualname": "StarRocks.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.dialects.mysql.MySQL.Parser"}, "sqlglot.dialects.starrocks.StarRocks.Generator": {"fullname": "sqlglot.dialects.starrocks.StarRocks.Generator", "modulename": "sqlglot.dialects.starrocks", "qualname": "StarRocks.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.mysql.MySQL.Generator"}, "sqlglot.dialects.tableau": {"fullname": "sqlglot.dialects.tableau", "modulename": "sqlglot.dialects.tableau", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.tableau.Tableau": {"fullname": "sqlglot.dialects.tableau.Tableau", "modulename": "sqlglot.dialects.tableau", "qualname": "Tableau", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.tableau.Tableau.Generator": {"fullname": "sqlglot.dialects.tableau.Tableau.Generator", "modulename": "sqlglot.dialects.tableau", "qualname": "Tableau.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.tableau.Tableau.Parser": {"fullname": "sqlglot.dialects.tableau.Tableau.Parser", "modulename": "sqlglot.dialects.tableau", "qualname": "Tableau.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.teradata": {"fullname": "sqlglot.dialects.teradata", "modulename": "sqlglot.dialects.teradata", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.teradata.Teradata": {"fullname": "sqlglot.dialects.teradata.Teradata", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.teradata.Teradata.Tokenizer": {"fullname": "sqlglot.dialects.teradata.Teradata.Tokenizer", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.teradata.Teradata.Parser": {"fullname": "sqlglot.dialects.teradata.Teradata.Parser", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.teradata.Teradata.Generator": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.teradata.Teradata.Generator.partitionedbyproperty_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.partitionedbyproperty_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.partitionedbyproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.PartitionedByProperty) -> str:", "funcdef": "def"}, "sqlglot.dialects.teradata.Teradata.Generator.update_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.update_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.update_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Update) -> str:", "funcdef": "def"}, "sqlglot.dialects.teradata.Teradata.Generator.mod_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.mod_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.mod_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Mod) -> str:", "funcdef": "def"}, "sqlglot.dialects.teradata.Teradata.Generator.datatype_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.datatype_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.datatype_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DataType) -> str:", "funcdef": "def"}, "sqlglot.dialects.teradata.Teradata.Generator.rangen_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.rangen_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.rangen_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.RangeN) -> str:", "funcdef": "def"}, "sqlglot.dialects.trino": {"fullname": "sqlglot.dialects.trino", "modulename": "sqlglot.dialects.trino", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.trino.Trino": {"fullname": "sqlglot.dialects.trino.Trino", "modulename": "sqlglot.dialects.trino", "qualname": "Trino", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.presto.Presto"}, "sqlglot.dialects.trino.Trino.Generator": {"fullname": "sqlglot.dialects.trino.Trino.Generator", "modulename": "sqlglot.dialects.trino", "qualname": "Trino.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.presto.Presto.Generator"}, "sqlglot.dialects.trino.Trino.Tokenizer": {"fullname": "sqlglot.dialects.trino.Trino.Tokenizer", "modulename": "sqlglot.dialects.trino", "qualname": "Trino.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.presto.Presto.Tokenizer"}, "sqlglot.dialects.tsql": {"fullname": "sqlglot.dialects.tsql", "modulename": "sqlglot.dialects.tsql", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.tsql.generate_date_delta_with_unit_sql": {"fullname": "sqlglot.dialects.tsql.generate_date_delta_with_unit_sql", "modulename": "sqlglot.dialects.tsql", "qualname": "generate_date_delta_with_unit_sql", "kind": "function", "doc": "

\n", "signature": "(self, e):", "funcdef": "def"}, "sqlglot.dialects.tsql.TSQL": {"fullname": "sqlglot.dialects.tsql.TSQL", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.tsql.TSQL.Tokenizer": {"fullname": "sqlglot.dialects.tsql.TSQL.Tokenizer", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.tsql.TSQL.Parser": {"fullname": "sqlglot.dialects.tsql.TSQL.Parser", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.tsql.TSQL.Generator": {"fullname": "sqlglot.dialects.tsql.TSQL.Generator", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.tsql.TSQL.Generator.offset_sql": {"fullname": "sqlglot.dialects.tsql.TSQL.Generator.offset_sql", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Generator.offset_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Offset) -> str:", "funcdef": "def"}, "sqlglot.dialects.tsql.TSQL.Generator.systemtime_sql": {"fullname": "sqlglot.dialects.tsql.TSQL.Generator.systemtime_sql", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Generator.systemtime_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.SystemTime) -> str:", "funcdef": "def"}, "sqlglot.dialects.tsql.TSQL.Generator.returnsproperty_sql": {"fullname": "sqlglot.dialects.tsql.TSQL.Generator.returnsproperty_sql", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Generator.returnsproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ReturnsProperty) -> str:", "funcdef": "def"}, "sqlglot.diff": {"fullname": "sqlglot.diff", "modulename": "sqlglot.diff", "kind": "module", "doc": "

Semantic Diff for SQL

\n\n

by Iaroslav Zeigerman

\n\n

Motivation

\n\n

Software is constantly changing and evolving, and identifying what has changed and reviewing those changes is an integral part of the development process. SQL code is no exception to this.

\n\n

Text-based diff tools such as git diff, when applied to a code base, have certain limitations. First, they can only detect insertions and deletions, not movements or updates of individual pieces of code. Second, such tools can only detect changes between lines of text, which is too coarse for something as granular and detailed as source code. Additionally, the outcome of such a diff is dependent on the underlying code formatting, and yields different results if the formatting should change.

\n\n

Consider the following diff generated by Git:

\n\n

\"Git

\n\n

Semantically the query hasn\u2019t changed. The two arguments b and c have been swapped (moved), posing no impact on the output of the query. Yet Git replaced the whole affected expression alongside a bulk of unrelated elements.

\n\n

The alternative to text-based diffing is to compare Abstract Syntax Trees (AST) instead. The main advantage of ASTs are that they are a direct product of code parsing, which represents the underlying code structure at any desired level of granularity. Comparing ASTs may yield extremely precise diffs; changes such as code movements and updates can also be detected. Even more importantly, this approach facilitates additional use cases beyond eyeballing two versions of source code side by side.

\n\n

The use cases I had in mind for SQL when I decided to embark on this journey of semantic diffing were the following:

\n\n
    \n
  • Query similarity score. Identifying which parts the two queries have in common to automatically suggest opportunities for consolidation, creation of intermediate/staging tables, and so on.
    • \n
  • Differentiating between cosmetic / structural changes and functional ones. For example when a nested query is refactored into a common table expression (CTE), this kind of change doesn\u2019t have any functional impact on either a query or its outcome.
    • \n
  • Automatic suggestions about the need to retroactively backfill data. This is especially important for pipelines that populate very large tables for which restatement is a runtime-intensive procedure. The ability to discern between simple code movements and actual modifications can help assess the impact of a change and make suggestions accordingly.
    • \n
\n\n

The implementation discussed in this post is now a part of the SQLGlot library. You can find a complete source code in the diff.py module. The choice of SQLglot was an obvious one due to its simple but powerful API, lack of external dependencies and, more importantly, extensive list of supported SQL dialects.

\n\n

The Search for a Solution

\n\n

When it comes to any diffing tool (not just a semantic one), the primary challenge is to match as many elements of compared entities as possible. Once such a set of matching elements is available, deriving a sequence of changes becomes an easy task.

\n\n

If our elements have unique identifiers associated with them (for example, an element\u2019s ID in DOM), the matching problem is trivial. However, the SQL syntax trees that we are comparing have neither unique keys nor object identifiers that can be used for the purposes of matching. So, how do we suppose to find pairs of nodes that are related?

\n\n

To better illustrate the problem, consider comparing the following SQL expressions: SELECT a + b + c, d, e and SELECT a - b + c, e, f. Matching individual nodes from respective syntax trees can be visualized as follows:

\n\n

\"Figure\nFigure 1: Example of node matching for two SQL expression trees.

\n\n

By looking at the figure of node matching for two SQL expression trees above, we conclude that the following changes should be captured by our solution:

\n\n
    \n
  • Inserted nodes: Sub and f. These are the nodes from the target AST which do not have a matching node in the source AST.
    • \n
  • Removed nodes: Add and d. These are the nodes from the source AST which do not have a counterpart in the target AST.
    • \n
  • Remaining nodes must be identified as unchanged.
    • \n
\n\n

It should be clear at this point that if we manage to match nodes in the source tree with their counterparts in the target tree, then computing the diff becomes a trivial matter.

\n\n

Na\u00efve Brute-Force

\n\n

The na\u00efve solution would be to try all different permutations of node pair combinations, and see which set of pairs performs the best based on some type of heuristics. The runtime cost of such a solution quickly reaches the escape velocity; if both trees had only 10 nodes each, the number of such sets would approximately be 10! ^ 2 = 3.6M ^ 2 ~= 13 * 10^12. This is a very bad case of factorial complexity (to be precise, it\u2019s actually much worse - O(n! ^ 2) - but I couldn\u2019t come up with a name for it), so there is little need to explore this approach any further.

\n\n

Myers Algorithm

\n\n

After the na\u00efve approach was proven to be infeasible, the next question I asked myself was \u201chow does git diff work?\u201d. This question led me to discover the Myers diff algorithm [1]. This algorithm has been designed to compare sequences of strings. At its core, it\u2019s looking for the shortest path on a graph of possible edits that transform the first sequence into the second one, while heavily rewarding those paths that lead to longest subsequences of unchanged elements. There\u2019s a lot of material out there describing this algorithm in greater detail. I found James Coglan\u2019s series of blog posts to be the most comprehensive.

\n\n

Therefore, I had this \u201cbrilliant\u201d (actually not) idea to transform trees into sequences by traversing them in topological order, and then applying the Myers algorithm on resulting sequences while using a custom heuristics when checking the equality of two nodes. Unsurprisingly, comparing sequences of strings is quite different from comparing hierarchical tree structures, and by flattening trees into sequences, we lose a lot of relevant context. This resulted in a terrible performance of this algorithm on ASTs. It often matched completely unrelated nodes, even when the two trees were mostly the same, and produced extremely inaccurate lists of changes overall. After playing around with it a little and tweaking my equality heuristics to improve accuracy, I ultimately scrapped the whole implementation and went back to the drawing board.

\n\n

Change Distiller

\n\n

The algorithm I settled on at the end was Change Distiller, created by Fluri et al. [2], which in turn is an improvement over the core idea described by Chawathe et al. [3].

\n\n

The algorithm consists of two high-level steps:

\n\n
    \n
  1. Finding appropriate matchings between pairs of nodes that are part of compared ASTs. Identifying what is meant by \u201cappropriate\u201d matching is also a part of this step.
    2. \n
  2. Generating the so-called \u201cedit script\u201d from the matching set built in the 1st step. The edit script is a sequence of edit operations (for example, insert, remove, update, etc.) on individual tree nodes, such that when applied as transformations on the source AST, it eventually becomes the target AST. In general, the shorter the sequence, the better. The length of the edit script can be used to compare the performance of different algorithms, though this is not the only metric that matters.
    3. \n
\n\n

The rest of this section is dedicated to the Python implementation of the steps above using the AST implementation provided by the SQLGlot library.

\n\n

Building the Matching Set

\n\n

Matching Leaves

\n\n

We begin composing the matching set by matching the leaf nodes. Leaf nodes are the nodes that do not have any children nodes (such as literals, identifiers, etc.). In order to match them, we gather all the leaf nodes from the source tree and generate a cartesian product with all the leaves from the target tree, while comparing pairs created this way and assigning them a similarity score. During this stage, we also exclude pairs that don\u2019t pass basic matching criteria. Then, we pick pairs that scored the highest while making sure that each node is matched no more than once.

\n\n

Using the example provided at the beginning of the post, the process of building an initial set of candidate matchings can be seen on Figure 2.

\n\n

\"Figure\nFigure 2: Building a set of candidate matchings between leaf nodes. The third item in each triplet represents a similarity score between two nodes.

\n\n

First, let\u2019s analyze the similarity score. Then, we\u2019ll discuss matching criteria.

\n\n

The similarity score proposed by Fluri et al. [2] is a dice coefficient applied to bigrams of respective node values. A bigram is a sequence of two adjacent elements from a string computed in a sliding window fashion:

\n\n
\n
def bigram(string):\n    count = max(0, len(string) - 1)\n    return [string[i : i + 2] for i in range(count)]\n
\n
\n\n

For reasons that will become clear shortly, we actually need to compute bigram histograms rather than just sequences:

\n\n
\n
from collections import defaultdict\n\ndef bigram_histo(string):\n    count = max(0, len(string) - 1)\n    bigram_histo = defaultdict(int)\n    for i in range(count):\n        bigram_histo[string[i : i + 2]] += 1\n    return bigram_histo\n
\n
\n\n

The dice coefficient formula looks like following:

\n\n

\"Dice

\n\n

Where X is a bigram of the source node and Y is a bigram of the second one. What this essentially does is count the number of bigram elements the two nodes have in common, multiply it by 2, and then divide by the total number of elements in both bigrams. This is where bigram histograms come in handy:

\n\n
\n
def dice_coefficient(source, target):\n    source_histo = bigram_histo(source.sql())\n    target_histo = bigram_histo(target.sql())\n\n    total_grams = (\n        sum(source_histo.values()) + sum(target_histo.values())\n    )\n    if not total_grams:\n        return 1.0 if source == target else 0.0\n\n    overlap_len = 0\n    overlapping_grams = set(source_histo) & set(target_histo)\n    for g in overlapping_grams:\n        overlap_len += min(source_histo[g], target_histo[g])\n\n    return 2 * overlap_len / total_grams\n
\n
\n\n

To compute a bigram given a tree node, we first transform the node into its canonical SQL representation,so that the Literal(123) node becomes just \u201c123\u201d and the Identifier(\u201ca\u201d) node becomes just \u201ca\u201d. We also handle a scenario when strings are too short to derive bigrams. In this case, we fallback to checking the two nodes for equality.

\n\n

Now when we know how to compute the similarity score, we can take care of the matching criteria for leaf nodes. In the original paper [2], the matching criteria is formalized as follows:

\n\n

\"Matching

\n\n

The two nodes are matched if two conditions are met:

\n\n
    \n
  1. The node labels match (in our case labels are just node types).
    2. \n
  2. The similarity score for node values is greater than or equal to some threshold \u201cf\u201d. The authors of the paper recommend setting the value of \u201cf\u201d to 0.6.
    3. \n
\n\n

With building blocks in place, we can now build a matching set for leaf nodes. First, we generate a list of candidates for matching:

\n\n
\n
from heapq import heappush, heappop\n\ncandidate_matchings = []\nsource_leaves = _get_leaves(self._source)\ntarget_leaves = _get_leaves(self._target)\nfor source_leaf in source_leaves:\n    for target_leaf in target_leaves:\n        if _is_same_type(source_leaf, target_leaf):\n            similarity_score = dice_coefficient(\n                source_leaf, target_leaf\n            )\n            if similarity_score >= 0.6:\n                heappush(\n                    candidate_matchings,\n                    (\n                        -similarity_score,\n                        len(candidate_matchings),\n                        source_leaf,\n                        target_leaf,\n                    ),\n                )\n
\n
\n\n

In the implementation above, we push each matching pair onto the heap to automatically maintain the correct order based on the assigned similarity score.

\n\n

Finally, we build the initial matching set by picking leaf pairs with the highest score:

\n\n
\n
matching_set = set()\nwhile candidate_matchings:\n    _, _, source_leaf, target_leaf = heappop(candidate_matchings)\n    if (\n        source_leaf in unmatched_source_nodes\n        and target_leaf in unmatched_target_nodes\n    ):\n        matching_set.add((source_leaf, target_leaf))\n        unmatched_source_nodes.remove(source_leaf)\n        unmatched_target_nodes.remove(target_leaf)\n
\n
\n\n

To finalize the matching set, we should now proceed with matching inner nodes.

\n\n

Matching Inner Nodes

\n\n

Matching inner nodes is quite similar to matching leaf nodes, with the following two distinctions:

\n\n
    \n
  • Rather than ranking a set of possible candidates, we pick the first node pair that passes the matching criteria.
    • \n
  • The matching criteria itself has been extended to account for the number of leaf nodes the pair of inner nodes have in common.
    • \n
\n\n

\"Figure\nFigure 3: Matching inner nodes based on their type as well as how many of their leaf nodes have been previously matched.

\n\n

Let\u2019s start with the matching criteria. The criteria is formalized as follows:

\n\n

\"Matching

\n\n

Alongside already familiar similarity score and node type criteria, there is a new one in the middle: the ratio of leaf nodes that the two nodes have in common must exceed some threshold \u201ct\u201d. The recommended value for \u201ct\u201d is also 0.6. Counting the number of common leaf nodes is pretty straightforward, since we already have the complete matching set for leaves. All we need to do is count how many matching pairs do leaf nodes from the two compared inner nodes form.

\n\n

There are two additional heuristics associated with this matching criteria:

\n\n
    \n
  • Inner node similarity weighting: if the similarity score between the node values doesn\u2019t pass the threshold \u201cf\u201d but the ratio of common leaf nodes (\u201ct\u201d) is greater than or equal to 0.8, then the matching is considered successful.
    • \n
  • The threshold \u201ct\u201d is reduced to 0.4 for inner nodes with the number of leaf nodes equal to 4 or less, in order to decrease the false negative rate for small subtrees.
    • \n
\n\n

We now only have to iterate through the remaining unmatched nodes and form matching pairs based on the outlined criteria:

\n\n
\n
leaves_matching_set = matching_set.copy()\n\nfor source_node in unmatched_source_nodes.copy():\n    for target_node in unmatched_target_nodes:\n        if _is_same_type(source_node, target_node):\n            source_leaves = set(_get_leaves(source_node))\n            target_leaves = set(_get_leaves(target_node))\n\n            max_leaves_num = max(len(source_leaves), len(target_leaves))\n            if max_leaves_num:\n                common_leaves_num = sum(\n                    1 if s in source_leaves and t in target_leaves else 0\n                    for s, t in leaves_matching_set\n                )\n                leaf_similarity_score = common_leaves_num / max_leaves_num\n            else:\n                leaf_similarity_score = 0.0\n\n            adjusted_t = (\n                0.6\n                if min(len(source_leaves), len(target_leaves)) > 4\n                else 0.4\n            )\n\n            if leaf_similarity_score >= 0.8 or (\n                leaf_similarity_score >= adjusted_t\n                and dice_coefficient(source_node, target_node) >= 0.6\n            ):\n                matching_set.add((source_node, target_node))\n                unmatched_source_nodes.remove(source_node)\n                unmatched_target_nodes.remove(target_node)\n                break\n
\n
\n\n

After the matching set is formed, we can proceed with generation of the edit script, which will be the algorithm\u2019s output.

\n\n

Generating the Edit Script

\n\n

At this point, we should have the following 3 sets at our disposal:

\n\n
    \n
  • The set of matched node pairs.
    • \n
  • The set of remaining unmatched nodes from the source tree.
    • \n
  • The set of remaining unmatched nodes from the target tree.
    • \n
\n\n

We can derive 3 kinds of edits from the matching set: either the node\u2019s value was updated (Update), the node was moved to a different position within the tree (Move), or the node remained unchanged (Keep). Note that the Move case is not mutually exclusive with the other two. The node could have been updated or could have remained the same while at the same time its position within its parent node or the parent node itself could have changed. All unmatched nodes from the source tree are the ones that were removed (Remove), while unmatched nodes from the target tree are the ones that were inserted (Insert).

\n\n

The latter two cases are pretty straightforward to implement:

\n\n
\n
edit_script = []\n\nfor removed_node in unmatched_source_nodes:\n    edit_script.append(Remove(removed_node))\nfor inserted_node in unmatched_target_nodes:\n    edit_script.append(Insert(inserted_node))\n
\n
\n\n

Traversing the matching set requires a little more thought:

\n\n
\n
for source_node, target_node in matching_set:\n    if (\n        not isinstance(source_node, LEAF_EXPRESSION_TYPES)\n        or source_node == target_node\n    ):\n        move_edits = generate_move_edits(\n            source_node, target_node, matching_set\n        )\n        edit_script.extend(move_edits)\n        edit_script.append(Keep(source_node, target_node))\n    else:\n        edit_script.append(Update(source_node, target_node))\n
\n
\n\n

If a matching pair represents a pair of leaf nodes, we check if they are the same to decide whether an update took place. For inner node pairs, we also need to compare the positions of their respective children to detect node movements. Chawathe et al. [3] suggest applying the longest common subsequence (LCS) algorithm which, no surprise here, was described by Myers himself [1]. There is a small catch, however: instead of checking the equality of two children nodes, we need to check whether the two nodes form a pair that is a part of our matching set.

\n\n

Now with this knowledge, the implementation becomes straightforward:

\n\n
\n
def generate_move_edits(source, target, matching_set):\n    source_children = _get_child_nodes(source)\n    target_children = _get_child_nodes(target)\n\n    lcs = set(\n        _longest_common_subsequence(\n            source_children,\n            target_children,\n            lambda l, r: (l, r) in matching_set\n        )\n    )\n\n    move_edits = []\n    for node in source_children:\n        if node not in lcs and node not in unmatched_source_nodes:\n            move_edits.append(Move(node))\n\n    return move_edits\n
\n
\n\n

I left out the implementation of the LCS algorithm itself here, but there are plenty of implementation choices out there that can be easily looked up.

\n\n

Output

\n\n

The implemented algorithm produces the output that resembles the following:

\n\n
\n
>>> from sqlglot import parse_one, diff\n>>> diff(parse_one("SELECT a + b + c, d, e"), parse_one("SELECT a - b + c, e, f"))\n\nRemove(Add)\nRemove(Column(d))\nRemove(Identifier(d))\nInsert(Sub)\nInsert(Column(f))\nInsert(Identifier(f))\nKeep(Select, Select)\nKeep(Add, Add)\nKeep(Column(a), Column(a))\nKeep(Identifier(a), Identifier(a))\nKeep(Column(b), Column(b))\nKeep(Identifier(b), Identifier(b))\nKeep(Column(c), Column(c))\nKeep(Identifier(c), Identifier(c))\nKeep(Column(e), Column(e))\nKeep(Identifier(e), Identifier(e))\n
\n
\n\n

Note that the output above is abbreviated. The string representation of actual AST nodes is significantly more verbose.

\n\n

The implementation works especially well when coupled with the SQLGlot\u2019s query optimizer which can be used to produce canonical representations of compared queries:

\n\n
\n
>>> schema={"t": {"a": "INT", "b": "INT", "c": "INT", "d": "INT"}}\n>>> source = """\n... SELECT 1 + 1 + a\n... FROM t\n... WHERE b = 1 OR (c = 2 AND d = 3)\n... """\n>>> target = """\n... SELECT 2 + a\n... FROM t\n... WHERE (b = 1 OR c = 2) AND (b = 1 OR d = 3)\n... """\n>>> optimized_source = optimize(parse_one(source), schema=schema)\n>>> optimized_target = optimize(parse_one(target), schema=schema)\n>>> edit_script = diff(optimized_source, optimized_target)\n>>> sum(0 if isinstance(e, Keep) else 1 for e in edit_script)\n0\n
\n
\n\n

Optimizations

\n\n

The worst case runtime complexity of this algorithm is not exactly stellar: O(n^2 * log n^2). This is because of the leaf matching process, which involves ranking a cartesian product between all leaf nodes of compared trees. Unsurprisingly, the algorithm takes a considerable time to finish for bigger queries.

\n\n

There are still a few basic things we can do in our implementation to help improve performance:

\n\n
    \n
  • Refer to individual node objects using their identifiers (Python\u2019s id()) instead of direct references in sets. This helps avoid costly recursive hash calculations and equality checks.
    • \n
  • Cache bigram histograms to avoid computing them more than once for the same node.
    • \n
  • Compute the canonical SQL string representation for each tree once while caching string representations of all inner nodes. This prevents redundant tree traversals when bigrams are computed.
    • \n
\n\n

At the time of writing only the first two optimizations have been implemented, so there is an opportunity to contribute for anyone who\u2019s interested.

\n\n

Alternative Solutions

\n\n

This section is dedicated to solutions that I\u2019ve investigated, but haven\u2019t tried.

\n\n

First, this section wouldn\u2019t be complete without Tristan Hume\u2019s blog post. Tristan\u2019s solution has a lot in common with the Myers algorithm plus heuristics that is much more clever than what I came up with. The implementation relies on a combination of dynamic programming and A* search algorithm to explore the space of possible matchings and pick the best ones. It seemed to have worked well for Tistan\u2019s specific use case, but after my negative experience with the Myers algorithm, I decided to try something different.

\n\n

Another notable approach is the Gumtree algorithm by Falleri et al. [4]. I discovered this paper after I\u2019d already implemented the algorithm that is the main focus of this post. In sections 5.2 and 5.3 of their paper, the authors compare the two algorithms side by side and claim that Gumtree is significantly better in terms of both runtime performance and accuracy when evaluated on 12 792 pairs of Java source files. This doesn\u2019t surprise me, as the algorithm takes the height of subtrees into account. In my tests, I definitely saw scenarios in which this context would have helped. On top of that, the authors promise O(n^2) runtime complexity in the worst case which, given the Change Distiller's O(n^2 * log n^2), looks particularly tempting. I hope to try this algorithm out at some point, and there is a good chance you see me writing about it in my future posts.

\n\n

Conclusion

\n\n

The Change Distiller algorithm yielded quite satisfactory results in most of my tests. The scenarios in which it fell short mostly concerned identical (or very similar) subtrees located in different parts of the AST. In those cases, node mismatches were frequent and, as a result, edit scripts were somewhat suboptimal.

\n\n

Additionally, the runtime performance of the algorithm leaves a lot to be desired. On trees with 1000 leaf nodes each, the algorithm takes a little under 2 seconds to complete. My implementation still has room for improvement, but this should give you a rough idea of what to expect. It appears that the Gumtree algorithm [4] can help address both of these points. I hope to find bandwidth to work on it soon and then compare the two algorithms side-by-side to find out which one performs better on SQL specifically. In the meantime, Change Distiller definitely gets the job done, and I can now proceed with applying it to some of the use cases I mentioned at the beginning of this post.

\n\n

I\u2019m also curious to learn whether other folks in the industry faced a similar problem, and how they approached it. If you did something similar, I\u2019m interested to hear about your experience.

\n\n

References

\n\n

[1] Eugene W. Myers. An O(ND) Difference Algorithm and Its Variations. Algorithmica 1(2): 251-266 (1986)

\n\n

[2] B. Fluri, M. Wursch, M. Pinzger, and H. Gall. Change Distilling: Tree differencing for fine-grained source code change extraction. IEEE Trans. Software Eng., 33(11):725\u2013743, 2007.

\n\n

[3] S.S. Chawathe, A. Rajaraman, H. Garcia-Molina, and J. Widom. Change Detection in Hierarchically Structured Information. Proc. ACM Sigmod Int\u2019l Conf. Management of Data, pp. 493-504, June 1996

\n\n

[4] Jean-R\u00e9my Falleri, Flor\u00e9al Morandat, Xavier Blanc, Matias Martinez, Martin Monperrus. Fine-grained and Accurate Source Code Differencing. Proceedings of the International Conference on Automated Software Engineering, 2014, V\u00e4steras, Sweden. pp.313-324, 10.1145/2642937.2642982. hal-01054552

\n\n
\n"}, "sqlglot.diff.Insert": {"fullname": "sqlglot.diff.Insert", "modulename": "sqlglot.diff", "qualname": "Insert", "kind": "class", "doc": "

Indicates that a new node has been inserted

\n"}, "sqlglot.diff.Insert.__init__": {"fullname": "sqlglot.diff.Insert.__init__", "modulename": "sqlglot.diff", "qualname": "Insert.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression)"}, "sqlglot.diff.Remove": {"fullname": "sqlglot.diff.Remove", "modulename": "sqlglot.diff", "qualname": "Remove", "kind": "class", "doc": "

Indicates that an existing node has been removed

\n"}, "sqlglot.diff.Remove.__init__": {"fullname": "sqlglot.diff.Remove.__init__", "modulename": "sqlglot.diff", "qualname": "Remove.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression)"}, "sqlglot.diff.Move": {"fullname": "sqlglot.diff.Move", "modulename": "sqlglot.diff", "qualname": "Move", "kind": "class", "doc": "

Indicates that an existing node's position within the tree has changed

\n"}, "sqlglot.diff.Move.__init__": {"fullname": "sqlglot.diff.Move.__init__", "modulename": "sqlglot.diff", "qualname": "Move.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression)"}, "sqlglot.diff.Update": {"fullname": "sqlglot.diff.Update", "modulename": "sqlglot.diff", "qualname": "Update", "kind": "class", "doc": "

Indicates that an existing node has been updated

\n"}, "sqlglot.diff.Update.__init__": {"fullname": "sqlglot.diff.Update.__init__", "modulename": "sqlglot.diff", "qualname": "Update.__init__", "kind": "function", "doc": "

\n", "signature": "(\tsource: sqlglot.expressions.Expression,\ttarget: sqlglot.expressions.Expression)"}, "sqlglot.diff.Keep": {"fullname": "sqlglot.diff.Keep", "modulename": "sqlglot.diff", "qualname": "Keep", "kind": "class", "doc": "

Indicates that an existing node hasn't been changed

\n"}, "sqlglot.diff.Keep.__init__": {"fullname": "sqlglot.diff.Keep.__init__", "modulename": "sqlglot.diff", "qualname": "Keep.__init__", "kind": "function", "doc": "

\n", "signature": "(\tsource: sqlglot.expressions.Expression,\ttarget: sqlglot.expressions.Expression)"}, "sqlglot.diff.diff": {"fullname": "sqlglot.diff.diff", "modulename": "sqlglot.diff", "qualname": "diff", "kind": "function", "doc": "

Returns the list of changes between the source and the target expressions.

\n\n
Examples:
\n\n
\n
\n
>>> diff(parse_one("a + b"), parse_one("a + c"))\n[\n    Remove(expression=(COLUMN this: (IDENTIFIER this: b, quoted: False))),\n    Insert(expression=(COLUMN this: (IDENTIFIER this: c, quoted: False))),\n    Keep(\n        source=(ADD this: ...),\n        target=(ADD this: ...)\n    ),\n    Keep(\n        source=(COLUMN this: (IDENTIFIER this: a, quoted: False)),\n        target=(COLUMN this: (IDENTIFIER this: a, quoted: False))\n    ),\n]\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • source: the source expression.
    • \n
  • target: the target expression against which the diff should be calculated.
    • \n
  • matchings: the list of pre-matched node pairs which is used to help the algorithm's\nheuristics produce better results for subtrees that are known by a caller to be matching.\nNote: expression references in this list must refer to the same node objects that are\nreferenced in source / target trees.
    • \n
\n\n
Returns:
\n\n
\n

the list of Insert, Remove, Move, Update and Keep objects for each node in the source and the\n target expression trees. This list represents a sequence of steps needed to transform the source\n expression tree into the target one.

\n
\n", "signature": "(\tsource: sqlglot.expressions.Expression,\ttarget: sqlglot.expressions.Expression,\tmatchings: Optional[List[Tuple[sqlglot.expressions.Expression, sqlglot.expressions.Expression]]] = None,\t**kwargs: Any) -> List[Union[sqlglot.diff.Insert, sqlglot.diff.Remove, sqlglot.diff.Move, sqlglot.diff.Update, sqlglot.diff.Keep]]:", "funcdef": "def"}, "sqlglot.diff.ChangeDistiller": {"fullname": "sqlglot.diff.ChangeDistiller", "modulename": "sqlglot.diff", "qualname": "ChangeDistiller", "kind": "class", "doc": "

The implementation of the Change Distiller algorithm described by Beat Fluri and Martin Pinzger in\ntheir paper https://ieeexplore.ieee.org/document/4339230, which in turn is based on the algorithm by\nChawathe et al. described in http://ilpubs.stanford.edu:8090/115/1/1995-46.pdf.

\n"}, "sqlglot.diff.ChangeDistiller.__init__": {"fullname": "sqlglot.diff.ChangeDistiller.__init__", "modulename": "sqlglot.diff", "qualname": "ChangeDistiller.__init__", "kind": "function", "doc": "

\n", "signature": "(f: float = 0.6, t: float = 0.6)"}, "sqlglot.diff.ChangeDistiller.diff": {"fullname": "sqlglot.diff.ChangeDistiller.diff", "modulename": "sqlglot.diff", "qualname": "ChangeDistiller.diff", "kind": "function", "doc": "

\n", "signature": "(\tself,\tsource: sqlglot.expressions.Expression,\ttarget: sqlglot.expressions.Expression,\tmatchings: Optional[List[Tuple[sqlglot.expressions.Expression, sqlglot.expressions.Expression]]] = None) -> List[Union[sqlglot.diff.Insert, sqlglot.diff.Remove, sqlglot.diff.Move, sqlglot.diff.Update, sqlglot.diff.Keep]]:", "funcdef": "def"}, "sqlglot.errors": {"fullname": "sqlglot.errors", "modulename": "sqlglot.errors", "kind": "module", "doc": "

\n"}, "sqlglot.errors.ErrorLevel": {"fullname": "sqlglot.errors.ErrorLevel", "modulename": "sqlglot.errors", "qualname": "ErrorLevel", "kind": "class", "doc": "

An enumeration.

\n", "bases": "sqlglot.helper.AutoName"}, "sqlglot.errors.ErrorLevel.IGNORE": {"fullname": "sqlglot.errors.ErrorLevel.IGNORE", "modulename": "sqlglot.errors", "qualname": "ErrorLevel.IGNORE", "kind": "variable", "doc": "

Ignore all errors.

\n", "default_value": "<ErrorLevel.IGNORE: 'IGNORE'>"}, "sqlglot.errors.ErrorLevel.WARN": {"fullname": "sqlglot.errors.ErrorLevel.WARN", "modulename": "sqlglot.errors", "qualname": "ErrorLevel.WARN", "kind": "variable", "doc": "

Log all errors.

\n", "default_value": "<ErrorLevel.WARN: 'WARN'>"}, "sqlglot.errors.ErrorLevel.RAISE": {"fullname": "sqlglot.errors.ErrorLevel.RAISE", "modulename": "sqlglot.errors", "qualname": "ErrorLevel.RAISE", "kind": "variable", "doc": "

Collect all errors and raise a single exception.

\n", "default_value": "<ErrorLevel.RAISE: 'RAISE'>"}, "sqlglot.errors.ErrorLevel.IMMEDIATE": {"fullname": "sqlglot.errors.ErrorLevel.IMMEDIATE", "modulename": "sqlglot.errors", "qualname": "ErrorLevel.IMMEDIATE", "kind": "variable", "doc": "

Immediately raise an exception on the first error found.

\n", "default_value": "<ErrorLevel.IMMEDIATE: 'IMMEDIATE'>"}, "sqlglot.errors.SqlglotError": {"fullname": "sqlglot.errors.SqlglotError", "modulename": "sqlglot.errors", "qualname": "SqlglotError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "builtins.Exception"}, "sqlglot.errors.UnsupportedError": {"fullname": "sqlglot.errors.UnsupportedError", "modulename": "sqlglot.errors", "qualname": "UnsupportedError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.ParseError": {"fullname": "sqlglot.errors.ParseError", "modulename": "sqlglot.errors", "qualname": "ParseError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.ParseError.__init__": {"fullname": "sqlglot.errors.ParseError.__init__", "modulename": "sqlglot.errors", "qualname": "ParseError.__init__", "kind": "function", "doc": "

\n", "signature": "(message: str, errors: Optional[List[Dict[str, Any]]] = None)"}, "sqlglot.errors.ParseError.new": {"fullname": "sqlglot.errors.ParseError.new", "modulename": "sqlglot.errors", "qualname": "ParseError.new", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tmessage: str,\tdescription: Optional[str] = None,\tline: Optional[int] = None,\tcol: Optional[int] = None,\tstart_context: Optional[str] = None,\thighlight: Optional[str] = None,\tend_context: Optional[str] = None,\tinto_expression: Optional[str] = None) -> sqlglot.errors.ParseError:", "funcdef": "def"}, "sqlglot.errors.TokenError": {"fullname": "sqlglot.errors.TokenError", "modulename": "sqlglot.errors", "qualname": "TokenError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.OptimizeError": {"fullname": "sqlglot.errors.OptimizeError", "modulename": "sqlglot.errors", "qualname": "OptimizeError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.SchemaError": {"fullname": "sqlglot.errors.SchemaError", "modulename": "sqlglot.errors", "qualname": "SchemaError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.ExecuteError": {"fullname": "sqlglot.errors.ExecuteError", "modulename": "sqlglot.errors", "qualname": "ExecuteError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.concat_messages": {"fullname": "sqlglot.errors.concat_messages", "modulename": "sqlglot.errors", "qualname": "concat_messages", "kind": "function", "doc": "

\n", "signature": "(errors: Sequence[Any], maximum: int) -> str:", "funcdef": "def"}, "sqlglot.errors.merge_errors": {"fullname": "sqlglot.errors.merge_errors", "modulename": "sqlglot.errors", "qualname": "merge_errors", "kind": "function", "doc": "

\n", "signature": "(errors: Sequence[sqlglot.errors.ParseError]) -> List[Dict[str, Any]]:", "funcdef": "def"}, "sqlglot.executor": {"fullname": "sqlglot.executor", "modulename": "sqlglot.executor", "kind": "module", "doc": "

Writing a Python SQL engine from scratch

\n\n

Toby Mao

\n\n

Introduction

\n\n

When I first started writing SQLGlot in early 2021, my goal was just to translate SQL queries from SparkSQL to Presto and vice versa. However, over the last year and a half, I've ended up with a full-fledged SQL engine. SQLGlot can now parse and transpile between 18 SQL dialects and can execute all 24 TPC-H SQL queries. The parser and engine are all written from scratch using Python.

\n\n

This post will cover why I went through the effort of creating a Python SQL engine and how a simple query goes from a string to actually transforming data. The following steps are briefly summarized:

\n\n\n\n

Why?

\n\n

I started working on SQLGlot because of my work on the experimentation and metrics platform at Netflix, where I built tools that allowed data scientists to define and compute SQL-based metrics. Netflix relied on multiple engines to query data (Spark, Presto, and Druid), so my team built the metrics platform around PyPika, a Python SQL query builder. This way, definitions could be reused across multiple engines. However, it became quickly apparent that writing python code to programmatically generate SQL was challenging for data scientists, especially those with academic backgrounds, since they were mostly familiar with R and SQL. At the time, the only Python SQL parser was sqlparse, which is not actually a parser but a tokenizer, so having users write raw SQL into the platform wasn't really an option. Some time later, I randomly stumbled across Crafting Interpreters and realized that I could use it as a guide towards creating my own SQL parser/transpiler.

\n\n

Why did I do this? Isn't a Python SQL engine going to be extremely slow?

\n\n

The main reason why I ended up building a SQL engine was...just for entertainment. It's been fun learning about all the things required to actually run a SQL query, and seeing it actually work is extremely rewarding. Before SQLGlot, I had zero experience with lexers, parsers, or compilers.

\n\n

In terms of practical use cases, I planned to use the Python SQL engine for unit testing SQL pipelines. Big data pipelines are tough to test because many of the engines are not open source and cannot be run locally. With SQLGlot, you can take a SQL query targeting a warehouse such as Snowflake and seamlessly run it in CI on mock Python data. It's easy to mock data and create arbitrary UDFs because everything is just Python. Although the implementation is slow and unsuitable for large amounts of data (> 1 million rows), there's very little overhead/startup and you can run queries on test data in a couple of milliseconds.

\n\n

Finally, the components that have been built to support execution can be used as a foundation for a faster engine. I'm inspired by what Apache Calcite has done for the JVM world. Even though Python is commonly used for data, there hasn't been a Calcite for Python. So, you could say that SQLGlot aims to be that framework. For example, it wouldn't take much work to replace the Python execution engine with numpy/pandas/arrow to become a respectably-performing query engine. The implementation would be able to leverage the parser, optimizer, and logical planner, only needing to implement physical execution. There is a lot of work in the Python ecosystem around high performance vectorized computation, which I think could benefit from a pure Python-based AST/plan. Parsing and planning doesn't have to be fast when the bottleneck of running queries is processing terabytes of data. So, having a Python-based ecosystem around SQL is beneficial given the ease of development in Python, despite not having bare metal performance.

\n\n

Parts of SQLGlot's toolkit are being used today by the following:

\n\n
    \n
  • Ibis: A Python library that provides a lightweight, universal interface for data wrangling.\n
      \n
    • Uses the Python SQL expression builder and leverages the optimizer/planner to convert SQL into dataframe operations.
      • \n
    • \n
  • mysql-mimic: Pure-Python implementation of the MySQL server wire protocol\n
      \n
    • Parses / transforms SQL and executes INFORMATION_SCHEMA queries.
      • \n
    • \n
  • Quokka: Push-based vectorized query engine\n
      \n
    • Parse and optimizes SQL.
      • \n
    • \n
  • Splink: Fast, accurate and scalable probabilistic data linkage using your choice of SQL backend.\n
      \n
    • Transpiles queries.
      • \n
    • \n
\n\n

How?

\n\n

There are many steps involved with actually running a simple query like:

\n\n
\n
SELECT\n  bar.a,\n  b + 1 AS b\nFROM bar\nJOIN baz\n  ON bar.a = baz.a\nWHERE bar.a > 1\n
\n
\n\n

In this post, I'll walk through all the steps SQLGlot takes to run this query over Python objects.

\n\n

Tokenizing

\n\n

The first step is to convert the sql string into a list of tokens. SQLGlot's tokenizer is quite simple and can be found here. In a while loop, it checks each character and either appends the character to the current token, or makes a new token.

\n\n

Running the SQLGlot tokenizer shows the output.

\n\n

\"Tokenizer

\n\n

Each keyword has been converted to a SQLGlot Token object. Each token has some metadata associated with it, like line/column information for error messages. Comments are also a part of the token, so that comments can be preserved.

\n\n

Parsing

\n\n

Once a SQL statement is tokenized, we don't need to worry about white space and other formatting, so it's easier to work with. We can now convert the list of tokens into an AST. The SQLGlot parser is a handwritten recursive descent parser.

\n\n

Similar to the tokenizer, it consumes the tokens sequentially, but it instead uses a recursive algorithm. The tokens are converted into a single AST node that presents the SQL query. The SQLGlot parser was designed to support various dialects, so it contains many options for overriding parsing functionality.

\n\n

\"Parser

\n\n

The AST is a generic representation of a given SQL query. Each dialect can override or implement its own generator, which can convert an AST object into syntatically-correct SQL.

\n\n

Optimizing

\n\n

Once we have our AST, we can transform it into an equivalent query that produces the same results more efficiently. When optimizing queries, most engines first convert the AST into a logical plan and then optimize the plan. However, I chose to optimize the AST directly for the following reasons:

\n\n
    \n

  1. It's easier to debug and validate the optimizations when the input and output are both SQL.

    2. \n

  2. Rules can be applied a la carte to transform SQL into a more desirable form.

    3. \n

  3. I wanted a way to generate 'canonical sql'. Having a canonical representation of SQL is useful for understanding if two queries are semantically equivalent (e.g. SELECT 1 + 1 and SELECT 2).

    4. \n
\n\n

I've yet to find another engine that takes this approach, but I'm quite happy with this decision. The optimizer currently does not perform any \"physical optimizations\" such as join reordering. Those are left to the execution layer, as additional statistics and information could become relevant.

\n\n

\"Optimizer

\n\n

The optimizer currently has 17 rules. Each of these rules is applied, transforming the AST in place. The combination of these rules creates \"canonical\" sql that can then be more easily converted into a logical plan and executed.

\n\n

Some example rules are:

\n\n

qualify_tables and qualify_columns

\n\n
    \n
  • Adds all db/catalog qualifiers to tables and forces an alias.
    • \n
  • Ensure each column is unambiguous and expand stars.
    • \n
\n\n
\n
SELECT * FROM x;\n\nSELECT "db"."x" AS "x";\n
\n
\n\n

simplify

\n\n

Boolean and math simplification. Check out all the test cases.

\n\n
\n
((NOT FALSE) AND (x = x)) AND (TRUE OR 1 <> 3);\nx = x;\n\n1 + 1;\n2;\n
\n
\n\n

normalize

\n\n

Attempts to convert all predicates into conjunctive normal form.

\n\n
\n
-- DNF\n(A AND B) OR (B AND C AND D);\n\n-- CNF\n(A OR C) AND (A OR D) AND B;\n
\n
\n\n

unnest_subqueries

\n\n

Converts subqueries in predicates into joins.

\n\n
\n
-- The subquery can be converted into a left join\nSELECT *\nFROM x AS x\nWHERE (\n  SELECT y.a AS a\n  FROM y AS y\n  WHERE x.a = y.a\n) = 1;\n\nSELECT *\nFROM x AS x\nLEFT JOIN (\n  SELECT y.a AS a\n  FROM y AS y\n  WHERE TRUE\n  GROUP BY y.a\n) AS "_u_0"\n  ON x.a = "_u_0".a\nWHERE ("_u_0".a = 1 AND NOT "_u_0".a IS NULL)\n
\n
\n\n

pushdown_predicates

\n\n

Push down filters into the innermost query.

\n\n
\n
SELECT *\nFROM (\n  SELECT *\n  FROM x AS x\n) AS y\nWHERE y.a = 1;\n\nSELECT *\nFROM (\n  SELECT *\n  FROM x AS x\n  WHERE y.a = 1\n) AS y WHERE TRUE\n
\n
\n\n

annotate_types

\n\n

Infer all types throughout the AST given schema information and function type definitions.

\n\n

Planning

\n\n

After the SQL AST has been \"optimized\", it's much easier to convert into a logical plan. The AST is traversed and converted into a DAG consisting of one of five steps. The different steps are:

\n\n

Scan

\n\n

Selects columns from a table, applies projections, and finally filters the table.

\n\n

Sort

\n\n

Sorts a table for order by expressions.

\n\n

Set

\n\n

Applies the operators union/union all/except/intersect.

\n\n

Aggregate

\n\n

Applies an aggregation/group by.

\n\n

Join

\n\n

Joins multiple tables together.

\n\n

\"Planner

\n\n

The logical plan is quite simple and contains the information required to convert it into a physical plan (execution).

\n\n

Executing

\n\n

Finally, we can actually execute the SQL query. The Python engine is not fast, but it's very small (~400 LOC)! It iterates the DAG with a queue and runs each step, passing each intermediary table to the next step.

\n\n

In order to keep things simple, it evaluates expressions with eval. Because SQLGlot was built primarily to be a transpiler, it was simple to create a \"Python SQL\" dialect. So a SQL expression x + 1 can just be converted into scope['x'] + 1.

\n\n

\"Executor

\n\n

What's next

\n\n

SQLGlot's main focus will always be on parsing/transpiling, but I plan to continue development on the execution engine. I'd like to pass TPC-DS. If someone doesn't beat me to it, I may even take a stab at writing a Pandas/Arrow execution engine.

\n\n

I'm hoping that over time, SQLGlot will spark the Python SQL ecosystem just like Calcite has for Java.

\n\n

Special thanks

\n\n

SQLGlot would not be what it is without it's core contributors. In particular, the execution engine would not exist without Barak Alon and George Sittas.

\n\n

Get in touch

\n\n

If you'd like to chat more about SQLGlot, please join my Slack Channel!

\n\n
\n"}, "sqlglot.executor.execute": {"fullname": "sqlglot.executor.execute", "modulename": "sqlglot.executor", "qualname": "execute", "kind": "function", "doc": "

Run a sql query against data.

\n\n
Arguments:
\n\n
    \n
  • sql: a sql statement.
    • \n
  • schema: database schema.\nThis can either be an instance of Schema or a mapping in one of the following forms:\n
      \n
    1. {table: {col: type}}
      2. \n
    2. {db: {table: {col: type}}}
      3. \n
    3. {catalog: {db: {table: {col: type}}}}
      4. \n
    • \n
  • read: the SQL dialect to apply during parsing (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • tables: additional tables to register.
    • \n
\n\n
Returns:
\n\n
\n

Simple columnar data structure.

\n
\n", "signature": "(\tsql: str | sqlglot.expressions.Expression,\tschema: Union[Dict, sqlglot.schema.Schema, NoneType] = None,\tread: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\ttables: Optional[Dict] = None) -> sqlglot.executor.table.Table:", "funcdef": "def"}, "sqlglot.executor.context": {"fullname": "sqlglot.executor.context", "modulename": "sqlglot.executor.context", "kind": "module", "doc": "

\n"}, "sqlglot.executor.context.Context": {"fullname": "sqlglot.executor.context.Context", "modulename": "sqlglot.executor.context", "qualname": "Context", "kind": "class", "doc": "

Execution context for sql expressions.

\n\n

Context is used to hold relevant data tables which can then be queried on with eval.

\n\n

References to columns can either be scalar or vectors. When set_row is used, column references\nevaluate to scalars while set_range evaluates to vectors. This allows convenient and efficient\nevaluation of aggregation functions.

\n"}, "sqlglot.executor.context.Context.__init__": {"fullname": "sqlglot.executor.context.Context.__init__", "modulename": "sqlglot.executor.context", "qualname": "Context.__init__", "kind": "function", "doc": "

Args\n tables: representing the scope of the current execution context.\n env: dictionary of functions within the execution context.

\n", "signature": "(\ttables: Dict[str, sqlglot.executor.table.Table],\tenv: Optional[Dict] = None)"}, "sqlglot.executor.context.Context.eval": {"fullname": "sqlglot.executor.context.Context.eval", "modulename": "sqlglot.executor.context", "qualname": "Context.eval", "kind": "function", "doc": "

\n", "signature": "(self, code):", "funcdef": "def"}, "sqlglot.executor.context.Context.eval_tuple": {"fullname": "sqlglot.executor.context.Context.eval_tuple", "modulename": "sqlglot.executor.context", "qualname": "Context.eval_tuple", "kind": "function", "doc": "

\n", "signature": "(self, codes):", "funcdef": "def"}, "sqlglot.executor.context.Context.add_columns": {"fullname": "sqlglot.executor.context.Context.add_columns", "modulename": "sqlglot.executor.context", "qualname": "Context.add_columns", "kind": "function", "doc": "

\n", "signature": "(self, *columns: str) -> None:", "funcdef": "def"}, "sqlglot.executor.context.Context.table_iter": {"fullname": "sqlglot.executor.context.Context.table_iter", "modulename": "sqlglot.executor.context", "qualname": "Context.table_iter", "kind": "function", "doc": "

\n", "signature": "(\tself,\ttable: str) -> Iterator[Tuple[sqlglot.executor.table.TableIter, sqlglot.executor.context.Context]]:", "funcdef": "def"}, "sqlglot.executor.context.Context.filter": {"fullname": "sqlglot.executor.context.Context.filter", "modulename": "sqlglot.executor.context", "qualname": "Context.filter", "kind": "function", "doc": "

\n", "signature": "(self, condition) -> None:", "funcdef": "def"}, "sqlglot.executor.context.Context.sort": {"fullname": "sqlglot.executor.context.Context.sort", "modulename": "sqlglot.executor.context", "qualname": "Context.sort", "kind": "function", "doc": "

\n", "signature": "(self, key) -> None:", "funcdef": "def"}, "sqlglot.executor.context.Context.set_row": {"fullname": "sqlglot.executor.context.Context.set_row", "modulename": "sqlglot.executor.context", "qualname": "Context.set_row", "kind": "function", "doc": "

\n", "signature": "(self, row: Tuple) -> None:", "funcdef": "def"}, "sqlglot.executor.context.Context.set_index": {"fullname": "sqlglot.executor.context.Context.set_index", "modulename": "sqlglot.executor.context", "qualname": "Context.set_index", "kind": "function", "doc": "

\n", "signature": "(self, index: int) -> None:", "funcdef": "def"}, "sqlglot.executor.context.Context.set_range": {"fullname": "sqlglot.executor.context.Context.set_range", "modulename": "sqlglot.executor.context", "qualname": "Context.set_range", "kind": "function", "doc": "

\n", "signature": "(self, start: int, end: int) -> None:", "funcdef": "def"}, "sqlglot.executor.env": {"fullname": "sqlglot.executor.env", "modulename": "sqlglot.executor.env", "kind": "module", "doc": "

\n"}, "sqlglot.executor.env.reverse_key": {"fullname": "sqlglot.executor.env.reverse_key", "modulename": "sqlglot.executor.env", "qualname": "reverse_key", "kind": "class", "doc": "

\n"}, "sqlglot.executor.env.reverse_key.__init__": {"fullname": "sqlglot.executor.env.reverse_key.__init__", "modulename": "sqlglot.executor.env", "qualname": "reverse_key.__init__", "kind": "function", "doc": "

\n", "signature": "(obj)"}, "sqlglot.executor.env.filter_nulls": {"fullname": "sqlglot.executor.env.filter_nulls", "modulename": "sqlglot.executor.env", "qualname": "filter_nulls", "kind": "function", "doc": "

\n", "signature": "(func, empty_null=True):", "funcdef": "def"}, "sqlglot.executor.env.null_if_any": {"fullname": "sqlglot.executor.env.null_if_any", "modulename": "sqlglot.executor.env", "qualname": "null_if_any", "kind": "function", "doc": "

Decorator that makes a function return None if any of the required arguments are None.

\n\n

This also supports decoration with no arguments, e.g.:

\n\n
@null_if_any\ndef foo(a, b): ...\n
\n\n

In which case all arguments are required.

\n", "signature": "(*required):", "funcdef": "def"}, "sqlglot.executor.env.str_position": {"fullname": "sqlglot.executor.env.str_position", "modulename": "sqlglot.executor.env", "qualname": "str_position", "kind": "function", "doc": "

\n", "signature": "(substr, this, position=None):", "funcdef": "def"}, "sqlglot.executor.env.substring": {"fullname": "sqlglot.executor.env.substring", "modulename": "sqlglot.executor.env", "qualname": "substring", "kind": "function", "doc": "

\n", "signature": "(this, start=None, length=None):", "funcdef": "def"}, "sqlglot.executor.env.cast": {"fullname": "sqlglot.executor.env.cast", "modulename": "sqlglot.executor.env", "qualname": "cast", "kind": "function", "doc": "

\n", "signature": "(this, to):", "funcdef": "def"}, "sqlglot.executor.env.ordered": {"fullname": "sqlglot.executor.env.ordered", "modulename": "sqlglot.executor.env", "qualname": "ordered", "kind": "function", "doc": "

\n", "signature": "(this, desc, nulls_first):", "funcdef": "def"}, "sqlglot.executor.env.interval": {"fullname": "sqlglot.executor.env.interval", "modulename": "sqlglot.executor.env", "qualname": "interval", "kind": "function", "doc": "

\n", "signature": "(this, unit):", "funcdef": "def"}, "sqlglot.executor.python": {"fullname": "sqlglot.executor.python", "modulename": "sqlglot.executor.python", "kind": "module", "doc": "

\n"}, "sqlglot.executor.python.PythonExecutor": {"fullname": "sqlglot.executor.python.PythonExecutor", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor", "kind": "class", "doc": "

\n"}, "sqlglot.executor.python.PythonExecutor.__init__": {"fullname": "sqlglot.executor.python.PythonExecutor.__init__", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.__init__", "kind": "function", "doc": "

\n", "signature": "(env=None, tables=None)"}, "sqlglot.executor.python.PythonExecutor.execute": {"fullname": "sqlglot.executor.python.PythonExecutor.execute", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.execute", "kind": "function", "doc": "

\n", "signature": "(self, plan):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.generate": {"fullname": "sqlglot.executor.python.PythonExecutor.generate", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.generate", "kind": "function", "doc": "

Convert a SQL expression into literal Python code and compile it into bytecode.

\n", "signature": "(self, expression):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.generate_tuple": {"fullname": "sqlglot.executor.python.PythonExecutor.generate_tuple", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.generate_tuple", "kind": "function", "doc": "

Convert an array of SQL expressions into tuple of Python byte code.

\n", "signature": "(self, expressions):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.context": {"fullname": "sqlglot.executor.python.PythonExecutor.context", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.context", "kind": "function", "doc": "

\n", "signature": "(self, tables):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.table": {"fullname": "sqlglot.executor.python.PythonExecutor.table", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.table", "kind": "function", "doc": "

\n", "signature": "(self, expressions):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.scan": {"fullname": "sqlglot.executor.python.PythonExecutor.scan", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.scan", "kind": "function", "doc": "

\n", "signature": "(self, step, context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.static": {"fullname": "sqlglot.executor.python.PythonExecutor.static", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.static", "kind": "function", "doc": "

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.scan_table": {"fullname": "sqlglot.executor.python.PythonExecutor.scan_table", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.scan_table", "kind": "function", "doc": "

\n", "signature": "(self, step):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.scan_csv": {"fullname": "sqlglot.executor.python.PythonExecutor.scan_csv", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.scan_csv", "kind": "function", "doc": "

\n", "signature": "(self, step):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.join": {"fullname": "sqlglot.executor.python.PythonExecutor.join", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.join", "kind": "function", "doc": "

\n", "signature": "(self, step, context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.nested_loop_join": {"fullname": "sqlglot.executor.python.PythonExecutor.nested_loop_join", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.nested_loop_join", "kind": "function", "doc": "

\n", "signature": "(self, _join, source_context, join_context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.hash_join": {"fullname": "sqlglot.executor.python.PythonExecutor.hash_join", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.hash_join", "kind": "function", "doc": "

\n", "signature": "(self, join, source_context, join_context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.aggregate": {"fullname": "sqlglot.executor.python.PythonExecutor.aggregate", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.aggregate", "kind": "function", "doc": "

\n", "signature": "(self, step, context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.sort": {"fullname": "sqlglot.executor.python.PythonExecutor.sort", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.sort", "kind": "function", "doc": "

\n", "signature": "(self, step, context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.set_operation": {"fullname": "sqlglot.executor.python.PythonExecutor.set_operation", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.set_operation", "kind": "function", "doc": "

\n", "signature": "(self, step, context):", "funcdef": "def"}, "sqlglot.executor.python.Python": {"fullname": "sqlglot.executor.python.Python", "modulename": "sqlglot.executor.python", "qualname": "Python", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.executor.python.Python.Tokenizer": {"fullname": "sqlglot.executor.python.Python.Tokenizer", "modulename": "sqlglot.executor.python", "qualname": "Python.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.executor.python.Python.Generator": {"fullname": "sqlglot.executor.python.Python.Generator", "modulename": "sqlglot.executor.python", "qualname": "Python.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.executor.table": {"fullname": "sqlglot.executor.table", "modulename": "sqlglot.executor.table", "kind": "module", "doc": "

\n"}, "sqlglot.executor.table.Table": {"fullname": "sqlglot.executor.table.Table", "modulename": "sqlglot.executor.table", "qualname": "Table", "kind": "class", "doc": "

\n"}, "sqlglot.executor.table.Table.__init__": {"fullname": "sqlglot.executor.table.Table.__init__", "modulename": "sqlglot.executor.table", "qualname": "Table.__init__", "kind": "function", "doc": "

\n", "signature": "(columns, rows=None, column_range=None)"}, "sqlglot.executor.table.Table.add_columns": {"fullname": "sqlglot.executor.table.Table.add_columns", "modulename": "sqlglot.executor.table", "qualname": "Table.add_columns", "kind": "function", "doc": "

\n", "signature": "(self, *columns: str) -> None:", "funcdef": "def"}, "sqlglot.executor.table.Table.append": {"fullname": "sqlglot.executor.table.Table.append", "modulename": "sqlglot.executor.table", "qualname": "Table.append", "kind": "function", "doc": "

\n", "signature": "(self, row):", "funcdef": "def"}, "sqlglot.executor.table.Table.pop": {"fullname": "sqlglot.executor.table.Table.pop", "modulename": "sqlglot.executor.table", "qualname": "Table.pop", "kind": "function", "doc": "

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.executor.table.TableIter": {"fullname": "sqlglot.executor.table.TableIter", "modulename": "sqlglot.executor.table", "qualname": "TableIter", "kind": "class", "doc": "

\n"}, "sqlglot.executor.table.TableIter.__init__": {"fullname": "sqlglot.executor.table.TableIter.__init__", "modulename": "sqlglot.executor.table", "qualname": "TableIter.__init__", "kind": "function", "doc": "

\n", "signature": "(table)"}, "sqlglot.executor.table.RangeReader": {"fullname": "sqlglot.executor.table.RangeReader", "modulename": "sqlglot.executor.table", "qualname": "RangeReader", "kind": "class", "doc": "

\n"}, "sqlglot.executor.table.RangeReader.__init__": {"fullname": "sqlglot.executor.table.RangeReader.__init__", "modulename": "sqlglot.executor.table", "qualname": "RangeReader.__init__", "kind": "function", "doc": "

\n", "signature": "(table)"}, "sqlglot.executor.table.RowReader": {"fullname": "sqlglot.executor.table.RowReader", "modulename": "sqlglot.executor.table", "qualname": "RowReader", "kind": "class", "doc": "

\n"}, "sqlglot.executor.table.RowReader.__init__": {"fullname": "sqlglot.executor.table.RowReader.__init__", "modulename": "sqlglot.executor.table", "qualname": "RowReader.__init__", "kind": "function", "doc": "

\n", "signature": "(columns, column_range=None)"}, "sqlglot.executor.table.Tables": {"fullname": "sqlglot.executor.table.Tables", "modulename": "sqlglot.executor.table", "qualname": "Tables", "kind": "class", "doc": "

Abstract base class for generic types.

\n\n

A generic type is typically declared by inheriting from\nthis class parameterized with one or more type variables.\nFor example, a generic mapping type might be defined as::

\n\n

class Mapping(Generic[KT, VT]):\n def __getitem__(self, key: KT) -> VT:\n ...\n # Etc.

\n\n

This class can then be used as follows::

\n\n

def lookup_name(mapping: Mapping[KT, VT], key: KT, default: VT) -> VT:\n try:\n return mapping[key]\n except KeyError:\n return default

\n", "bases": "sqlglot.schema.AbstractMappingSchema[sqlglot.executor.table.Table]"}, "sqlglot.executor.table.ensure_tables": {"fullname": "sqlglot.executor.table.ensure_tables", "modulename": "sqlglot.executor.table", "qualname": "ensure_tables", "kind": "function", "doc": "

\n", "signature": "(d: Optional[Dict]) -> sqlglot.executor.table.Tables:", "funcdef": "def"}, "sqlglot.expressions": {"fullname": "sqlglot.expressions", "modulename": "sqlglot.expressions", "kind": "module", "doc": "

Expressions

\n\n

Every AST node in SQLGlot is represented by a subclass of Expression.

\n\n

This module contains the implementation of all supported Expression types. Additionally,\nit exposes a number of helper functions, which are mainly used to programmatically build\nSQL expressions, such as sqlglot.expressions.select.

\n\n
\n"}, "sqlglot.expressions.Expression": {"fullname": "sqlglot.expressions.Expression", "modulename": "sqlglot.expressions", "qualname": "Expression", "kind": "class", "doc": "

The base class for all expressions in a syntax tree. Each Expression encapsulates any necessary\ncontext, such as its child expressions, their names (arg keys), and whether a given child expression\nis optional or not.

\n\n
Attributes:
\n\n
    \n
  • key: a unique key for each class in the Expression hierarchy. This is useful for hashing\nand representing expressions as strings.
    • \n
  • arg_types: determines what arguments (child nodes) are supported by an expression. It\nmaps arg keys to booleans that indicate whether the corresponding args are optional.
    • \n
\n\n
Example:
\n\n
\n
\n
>>> class Foo(Expression):\n...     arg_types = {"this": True, "expression": False}\n
\n
\n \n

The above definition informs us that Foo is an Expression that requires an argument called\n \"this\" and may also optionally receive an argument called \"expression\".

\n
\n\n
Arguments:
\n\n
    \n
  • args: a mapping used for retrieving the arguments of an expression, given their arg keys.
    • \n
  • parent: a reference to the parent expression (or None, in case of root expressions).
    • \n
  • arg_key: the arg key an expression is associated with, i.e. the name its parent expression\nuses to refer to it.
    • \n
  • comments: a list of comments that are associated with a given expression. This is used in\norder to preserve comments when transpiling SQL code.
    • \n
  • _type: the sqlglot.expressions.DataType type of an expression. This is inferred by the\noptimizer, in order to enable some transformations that require type information.
    • \n
\n"}, "sqlglot.expressions.Expression.__init__": {"fullname": "sqlglot.expressions.Expression.__init__", "modulename": "sqlglot.expressions", "qualname": "Expression.__init__", "kind": "function", "doc": "

\n", "signature": "(**args: Any)"}, "sqlglot.expressions.Expression.this": {"fullname": "sqlglot.expressions.Expression.this", "modulename": "sqlglot.expressions", "qualname": "Expression.this", "kind": "variable", "doc": "

Retrieves the argument with key \"this\".

\n"}, "sqlglot.expressions.Expression.expression": {"fullname": "sqlglot.expressions.Expression.expression", "modulename": "sqlglot.expressions", "qualname": "Expression.expression", "kind": "variable", "doc": "

Retrieves the argument with key \"expression\".

\n"}, "sqlglot.expressions.Expression.expressions": {"fullname": "sqlglot.expressions.Expression.expressions", "modulename": "sqlglot.expressions", "qualname": "Expression.expressions", "kind": "variable", "doc": "

Retrieves the argument with key \"expressions\".

\n"}, "sqlglot.expressions.Expression.text": {"fullname": "sqlglot.expressions.Expression.text", "modulename": "sqlglot.expressions", "qualname": "Expression.text", "kind": "function", "doc": "

Returns a textual representation of the argument corresponding to \"key\". This can only be used\nfor args that are strings or leaf Expression instances, such as identifiers and literals.

\n", "signature": "(self, key) -> str:", "funcdef": "def"}, "sqlglot.expressions.Expression.is_string": {"fullname": "sqlglot.expressions.Expression.is_string", "modulename": "sqlglot.expressions", "qualname": "Expression.is_string", "kind": "variable", "doc": "

Checks whether a Literal expression is a string.

\n", "annotation": ": bool"}, "sqlglot.expressions.Expression.is_number": {"fullname": "sqlglot.expressions.Expression.is_number", "modulename": "sqlglot.expressions", "qualname": "Expression.is_number", "kind": "variable", "doc": "

Checks whether a Literal expression is a number.

\n", "annotation": ": bool"}, "sqlglot.expressions.Expression.is_int": {"fullname": "sqlglot.expressions.Expression.is_int", "modulename": "sqlglot.expressions", "qualname": "Expression.is_int", "kind": "variable", "doc": "

Checks whether a Literal expression is an integer.

\n", "annotation": ": bool"}, "sqlglot.expressions.Expression.is_star": {"fullname": "sqlglot.expressions.Expression.is_star", "modulename": "sqlglot.expressions", "qualname": "Expression.is_star", "kind": "variable", "doc": "

Checks whether an expression is a star.

\n", "annotation": ": bool"}, "sqlglot.expressions.Expression.alias": {"fullname": "sqlglot.expressions.Expression.alias", "modulename": "sqlglot.expressions", "qualname": "Expression.alias", "kind": "variable", "doc": "

Returns the alias of the expression, or an empty string if it's not aliased.

\n", "annotation": ": str"}, "sqlglot.expressions.Expression.output_name": {"fullname": "sqlglot.expressions.Expression.output_name", "modulename": "sqlglot.expressions", "qualname": "Expression.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Expression.copy": {"fullname": "sqlglot.expressions.Expression.copy", "modulename": "sqlglot.expressions", "qualname": "Expression.copy", "kind": "function", "doc": "

Returns a deep copy of the expression.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.append": {"fullname": "sqlglot.expressions.Expression.append", "modulename": "sqlglot.expressions", "qualname": "Expression.append", "kind": "function", "doc": "

Appends value to arg_key if it's a list or sets it as a new list.

\n\n
Arguments:
\n\n
    \n
  • arg_key (str): name of the list expression arg
    • \n
  • value (Any): value to append to the list
    • \n
\n", "signature": "(self, arg_key, value):", "funcdef": "def"}, "sqlglot.expressions.Expression.set": {"fullname": "sqlglot.expressions.Expression.set", "modulename": "sqlglot.expressions", "qualname": "Expression.set", "kind": "function", "doc": "

Sets arg_key to value.

\n\n
Arguments:
\n\n
    \n
  • arg_key (str): name of the expression arg.
    • \n
  • value: value to set the arg to.
    • \n
\n", "signature": "(self, arg_key, value):", "funcdef": "def"}, "sqlglot.expressions.Expression.depth": {"fullname": "sqlglot.expressions.Expression.depth", "modulename": "sqlglot.expressions", "qualname": "Expression.depth", "kind": "variable", "doc": "

Returns the depth of this tree.

\n"}, "sqlglot.expressions.Expression.iter_expressions": {"fullname": "sqlglot.expressions.Expression.iter_expressions", "modulename": "sqlglot.expressions", "qualname": "Expression.iter_expressions", "kind": "function", "doc": "

Yields the key and expression for all arguments, exploding list args.

\n", "signature": "(self) -> Iterator[Tuple[str, sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.expressions.Expression.find": {"fullname": "sqlglot.expressions.Expression.find", "modulename": "sqlglot.expressions", "qualname": "Expression.find", "kind": "function", "doc": "

Returns the first node in this tree which matches at least one of\nthe specified types.

\n\n
Arguments:
\n\n
    \n
  • expression_types: the expression type(s) to match.
    • \n
\n\n
Returns:
\n\n
\n

The node which matches the criteria or None if no such node was found.

\n
\n", "signature": "(self, *expression_types: Type[~E], bfs=True) -> Optional[~E]:", "funcdef": "def"}, "sqlglot.expressions.Expression.find_all": {"fullname": "sqlglot.expressions.Expression.find_all", "modulename": "sqlglot.expressions", "qualname": "Expression.find_all", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this tree and only\nyields those that match at least one of the specified expression types.

\n\n
Arguments:
\n\n
    \n
  • expression_types: the expression type(s) to match.
    • \n
\n\n
Returns:
\n\n
\n

The generator object.

\n
\n", "signature": "(self, *expression_types: Type[~E], bfs=True) -> Iterator[~E]:", "funcdef": "def"}, "sqlglot.expressions.Expression.find_ancestor": {"fullname": "sqlglot.expressions.Expression.find_ancestor", "modulename": "sqlglot.expressions", "qualname": "Expression.find_ancestor", "kind": "function", "doc": "

Returns a nearest parent matching expression_types.

\n\n
Arguments:
\n\n
    \n
  • expression_types: the expression type(s) to match.
    • \n
\n\n
Returns:
\n\n
\n

The parent node.

\n
\n", "signature": "(self, *expression_types: Type[~E]) -> Optional[~E]:", "funcdef": "def"}, "sqlglot.expressions.Expression.parent_select": {"fullname": "sqlglot.expressions.Expression.parent_select", "modulename": "sqlglot.expressions", "qualname": "Expression.parent_select", "kind": "variable", "doc": "

Returns the parent select statement.

\n"}, "sqlglot.expressions.Expression.same_parent": {"fullname": "sqlglot.expressions.Expression.same_parent", "modulename": "sqlglot.expressions", "qualname": "Expression.same_parent", "kind": "variable", "doc": "

Returns if the parent is the same class as itself.

\n"}, "sqlglot.expressions.Expression.root": {"fullname": "sqlglot.expressions.Expression.root", "modulename": "sqlglot.expressions", "qualname": "Expression.root", "kind": "function", "doc": "

Returns the root expression of this tree.

\n", "signature": "(self) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.expressions.Expression.walk": {"fullname": "sqlglot.expressions.Expression.walk", "modulename": "sqlglot.expressions", "qualname": "Expression.walk", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this tree.

\n\n
Arguments:
\n\n
    \n
  • bfs (bool): if set to True the BFS traversal order will be applied,\notherwise the DFS traversal will be used instead.
    • \n
  • prune ((node, parent, arg_key) -> bool): callable that returns True if\nthe generator should stop traversing this branch of the tree.
    • \n
\n\n
Returns:
\n\n
\n

the generator object.

\n
\n", "signature": "(self, bfs=True, prune=None):", "funcdef": "def"}, "sqlglot.expressions.Expression.dfs": {"fullname": "sqlglot.expressions.Expression.dfs", "modulename": "sqlglot.expressions", "qualname": "Expression.dfs", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this tree in\nthe DFS (Depth-first) order.

\n\n
Returns:
\n\n
\n

The generator object.

\n
\n", "signature": "(self, parent=None, key=None, prune=None):", "funcdef": "def"}, "sqlglot.expressions.Expression.bfs": {"fullname": "sqlglot.expressions.Expression.bfs", "modulename": "sqlglot.expressions", "qualname": "Expression.bfs", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this tree in\nthe BFS (Breadth-first) order.

\n\n
Returns:
\n\n
\n

The generator object.

\n
\n", "signature": "(self, prune=None):", "funcdef": "def"}, "sqlglot.expressions.Expression.unnest": {"fullname": "sqlglot.expressions.Expression.unnest", "modulename": "sqlglot.expressions", "qualname": "Expression.unnest", "kind": "function", "doc": "

Returns the first non parenthesis child or self.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.unalias": {"fullname": "sqlglot.expressions.Expression.unalias", "modulename": "sqlglot.expressions", "qualname": "Expression.unalias", "kind": "function", "doc": "

Returns the inner expression if this is an Alias.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.unnest_operands": {"fullname": "sqlglot.expressions.Expression.unnest_operands", "modulename": "sqlglot.expressions", "qualname": "Expression.unnest_operands", "kind": "function", "doc": "

Returns unnested operands as a tuple.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.flatten": {"fullname": "sqlglot.expressions.Expression.flatten", "modulename": "sqlglot.expressions", "qualname": "Expression.flatten", "kind": "function", "doc": "

Returns a generator which yields child nodes who's parents are the same class.

\n\n

A AND B AND C -> [A, B, C]

\n", "signature": "(self, unnest=True):", "funcdef": "def"}, "sqlglot.expressions.Expression.sql": {"fullname": "sqlglot.expressions.Expression.sql", "modulename": "sqlglot.expressions", "qualname": "Expression.sql", "kind": "function", "doc": "

Returns SQL string representation of this tree.

\n\n
Arguments:
\n\n
    \n
  • dialect: the dialect of the output SQL string (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • opts: other sqlglot.generator.Generator options.
    • \n
\n\n
Returns:
\n\n
\n

The SQL string.

\n
\n", "signature": "(\tself,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> str:", "funcdef": "def"}, "sqlglot.expressions.Expression.transform": {"fullname": "sqlglot.expressions.Expression.transform", "modulename": "sqlglot.expressions", "qualname": "Expression.transform", "kind": "function", "doc": "

Recursively visits all tree nodes (excluding already transformed ones)\nand applies the given transformation function to each node.

\n\n
Arguments:
\n\n
    \n
  • fun (function): a function which takes a node as an argument and returns a\nnew transformed node or the same node without modifications. If the function\nreturns None, then the corresponding node will be removed from the syntax tree.
    • \n
  • copy (bool): if set to True a new tree instance is constructed, otherwise the tree is\nmodified in place.
    • \n
\n\n
Returns:
\n\n
\n

The transformed tree.

\n
\n", "signature": "(self, fun, *args, copy=True, **kwargs):", "funcdef": "def"}, "sqlglot.expressions.Expression.replace": {"fullname": "sqlglot.expressions.Expression.replace", "modulename": "sqlglot.expressions", "qualname": "Expression.replace", "kind": "function", "doc": "

Swap out this expression with a new expression.

\n\n

For example::

\n\n
>>> tree = Select().select(\"x\").from_(\"tbl\")\n>>> tree.find(Column).replace(Column(this=\"y\"))\n(COLUMN this: y)\n>>> tree.sql()\n'SELECT y FROM tbl'\n
\n\n
Arguments:
\n\n
    \n
  • expression (Expression|None): new node
    • \n
\n\n
Returns:
\n\n
\n

The new expression or expressions.

\n
\n", "signature": "(self, expression):", "funcdef": "def"}, "sqlglot.expressions.Expression.pop": {"fullname": "sqlglot.expressions.Expression.pop", "modulename": "sqlglot.expressions", "qualname": "Expression.pop", "kind": "function", "doc": "

Remove this expression from its AST.

\n\n
Returns:
\n\n
\n

The popped expression.

\n
\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.assert_is": {"fullname": "sqlglot.expressions.Expression.assert_is", "modulename": "sqlglot.expressions", "qualname": "Expression.assert_is", "kind": "function", "doc": "

Assert that this Expression is an instance of type_.

\n\n

If it is NOT an instance of type_, this raises an assertion error.\nOtherwise, this returns this expression.

\n\n
Examples:
\n\n
\n

This is useful for type security in chained expressions:

\n \n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT x from y").assert_is(Select).select("z").sql()\n'SELECT x, z FROM y'\n
\n
\n
\n", "signature": "(self, type_):", "funcdef": "def"}, "sqlglot.expressions.Expression.error_messages": {"fullname": "sqlglot.expressions.Expression.error_messages", "modulename": "sqlglot.expressions", "qualname": "Expression.error_messages", "kind": "function", "doc": "

Checks if this expression is valid (e.g. all mandatory args are set).

\n\n
Arguments:
\n\n
    \n
  • args: a sequence of values that were used to instantiate a Func expression. This is used\nto check that the provided arguments don't exceed the function argument limit.
    • \n
\n\n
Returns:
\n\n
\n

A list of error messages for all possible errors that were found.

\n
\n", "signature": "(self, args: Optional[Sequence] = None) -> List[str]:", "funcdef": "def"}, "sqlglot.expressions.Expression.dump": {"fullname": "sqlglot.expressions.Expression.dump", "modulename": "sqlglot.expressions", "qualname": "Expression.dump", "kind": "function", "doc": "

Dump this Expression to a JSON-serializable dict.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.load": {"fullname": "sqlglot.expressions.Expression.load", "modulename": "sqlglot.expressions", "qualname": "Expression.load", "kind": "function", "doc": "

Load a dict (as returned by Expression.dump) into an Expression instance.

\n", "signature": "(cls, obj):", "funcdef": "def"}, "sqlglot.expressions.Condition": {"fullname": "sqlglot.expressions.Condition", "modulename": "sqlglot.expressions", "qualname": "Condition", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Condition.and_": {"fullname": "sqlglot.expressions.Condition.and_", "modulename": "sqlglot.expressions", "qualname": "Condition.and_", "kind": "function", "doc": "

AND this condition with one or multiple expressions.

\n\n
Example:
\n\n
\n
\n
>>> condition("x=1").and_("y=1").sql()\n'x = 1 AND y = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

And: the new condition.

\n
\n", "signature": "(self, *expressions, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.Condition.or_": {"fullname": "sqlglot.expressions.Condition.or_", "modulename": "sqlglot.expressions", "qualname": "Condition.or_", "kind": "function", "doc": "

OR this condition with one or multiple expressions.

\n\n
Example:
\n\n
\n
\n
>>> condition("x=1").or_("y=1").sql()\n'x = 1 OR y = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Or: the new condition.

\n
\n", "signature": "(self, *expressions, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.Condition.not_": {"fullname": "sqlglot.expressions.Condition.not_", "modulename": "sqlglot.expressions", "qualname": "Condition.not_", "kind": "function", "doc": "

Wrap this condition with NOT.

\n\n
Example:
\n\n
\n
\n
>>> condition("x=1").not_().sql()\n'NOT x = 1'\n
\n
\n
\n\n
Returns:
\n\n
\n

Not: the new condition.

\n
\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Predicate": {"fullname": "sqlglot.expressions.Predicate", "modulename": "sqlglot.expressions", "qualname": "Predicate", "kind": "class", "doc": "

Relationships like x = y, x > 1, x >= y.

\n", "bases": "Condition"}, "sqlglot.expressions.DerivedTable": {"fullname": "sqlglot.expressions.DerivedTable", "modulename": "sqlglot.expressions", "qualname": "DerivedTable", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Unionable": {"fullname": "sqlglot.expressions.Unionable", "modulename": "sqlglot.expressions", "qualname": "Unionable", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Unionable.union": {"fullname": "sqlglot.expressions.Unionable.union", "modulename": "sqlglot.expressions", "qualname": "Unionable.union", "kind": "function", "doc": "

Builds a UNION expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()\n'SELECT * FROM foo UNION SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Union: the Union expression.

\n
\n", "signature": "(self, expression, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.Unionable.intersect": {"fullname": "sqlglot.expressions.Unionable.intersect", "modulename": "sqlglot.expressions", "qualname": "Unionable.intersect", "kind": "function", "doc": "

Builds an INTERSECT expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()\n'SELECT * FROM foo INTERSECT SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Intersect: the Intersect expression

\n
\n", "signature": "(self, expression, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.Unionable.except_": {"fullname": "sqlglot.expressions.Unionable.except_", "modulename": "sqlglot.expressions", "qualname": "Unionable.except_", "kind": "function", "doc": "

Builds an EXCEPT expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()\n'SELECT * FROM foo EXCEPT SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Except: the Except expression

\n
\n", "signature": "(self, expression, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.UDTF": {"fullname": "sqlglot.expressions.UDTF", "modulename": "sqlglot.expressions", "qualname": "UDTF", "kind": "class", "doc": "

\n", "bases": "DerivedTable, Unionable"}, "sqlglot.expressions.Cache": {"fullname": "sqlglot.expressions.Cache", "modulename": "sqlglot.expressions", "qualname": "Cache", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Uncache": {"fullname": "sqlglot.expressions.Uncache", "modulename": "sqlglot.expressions", "qualname": "Uncache", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Create": {"fullname": "sqlglot.expressions.Create", "modulename": "sqlglot.expressions", "qualname": "Create", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Describe": {"fullname": "sqlglot.expressions.Describe", "modulename": "sqlglot.expressions", "qualname": "Describe", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Pragma": {"fullname": "sqlglot.expressions.Pragma", "modulename": "sqlglot.expressions", "qualname": "Pragma", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Set": {"fullname": "sqlglot.expressions.Set", "modulename": "sqlglot.expressions", "qualname": "Set", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.SetItem": {"fullname": "sqlglot.expressions.SetItem", "modulename": "sqlglot.expressions", "qualname": "SetItem", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Show": {"fullname": "sqlglot.expressions.Show", "modulename": "sqlglot.expressions", "qualname": "Show", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.UserDefinedFunction": {"fullname": "sqlglot.expressions.UserDefinedFunction", "modulename": "sqlglot.expressions", "qualname": "UserDefinedFunction", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.CharacterSet": {"fullname": "sqlglot.expressions.CharacterSet", "modulename": "sqlglot.expressions", "qualname": "CharacterSet", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.With": {"fullname": "sqlglot.expressions.With", "modulename": "sqlglot.expressions", "qualname": "With", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.WithinGroup": {"fullname": "sqlglot.expressions.WithinGroup", "modulename": "sqlglot.expressions", "qualname": "WithinGroup", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.CTE": {"fullname": "sqlglot.expressions.CTE", "modulename": "sqlglot.expressions", "qualname": "CTE", "kind": "class", "doc": "

\n", "bases": "DerivedTable"}, "sqlglot.expressions.TableAlias": {"fullname": "sqlglot.expressions.TableAlias", "modulename": "sqlglot.expressions", "qualname": "TableAlias", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.BitString": {"fullname": "sqlglot.expressions.BitString", "modulename": "sqlglot.expressions", "qualname": "BitString", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.HexString": {"fullname": "sqlglot.expressions.HexString", "modulename": "sqlglot.expressions", "qualname": "HexString", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.ByteString": {"fullname": "sqlglot.expressions.ByteString", "modulename": "sqlglot.expressions", "qualname": "ByteString", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Column": {"fullname": "sqlglot.expressions.Column", "modulename": "sqlglot.expressions", "qualname": "Column", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Column.output_name": {"fullname": "sqlglot.expressions.Column.output_name", "modulename": "sqlglot.expressions", "qualname": "Column.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n", "annotation": ": str"}, "sqlglot.expressions.Column.parts": {"fullname": "sqlglot.expressions.Column.parts", "modulename": "sqlglot.expressions", "qualname": "Column.parts", "kind": "variable", "doc": "

Return the parts of a column in order catalog, db, table, name.

\n", "annotation": ": List[sqlglot.expressions.Identifier]"}, "sqlglot.expressions.Column.to_dot": {"fullname": "sqlglot.expressions.Column.to_dot", "modulename": "sqlglot.expressions", "qualname": "Column.to_dot", "kind": "function", "doc": "

Converts the column into a dot expression.

\n", "signature": "(self) -> sqlglot.expressions.Dot:", "funcdef": "def"}, "sqlglot.expressions.ColumnPosition": {"fullname": "sqlglot.expressions.ColumnPosition", "modulename": "sqlglot.expressions", "qualname": "ColumnPosition", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.ColumnDef": {"fullname": "sqlglot.expressions.ColumnDef", "modulename": "sqlglot.expressions", "qualname": "ColumnDef", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AlterColumn": {"fullname": "sqlglot.expressions.AlterColumn", "modulename": "sqlglot.expressions", "qualname": "AlterColumn", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.RenameTable": {"fullname": "sqlglot.expressions.RenameTable", "modulename": "sqlglot.expressions", "qualname": "RenameTable", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.SetTag": {"fullname": "sqlglot.expressions.SetTag", "modulename": "sqlglot.expressions", "qualname": "SetTag", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Comment": {"fullname": "sqlglot.expressions.Comment", "modulename": "sqlglot.expressions", "qualname": "Comment", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.ColumnConstraint": {"fullname": "sqlglot.expressions.ColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "ColumnConstraint", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.ColumnConstraintKind": {"fullname": "sqlglot.expressions.ColumnConstraintKind", "modulename": "sqlglot.expressions", "qualname": "ColumnConstraintKind", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AutoIncrementColumnConstraint": {"fullname": "sqlglot.expressions.AutoIncrementColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "AutoIncrementColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CaseSpecificColumnConstraint": {"fullname": "sqlglot.expressions.CaseSpecificColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CaseSpecificColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CharacterSetColumnConstraint": {"fullname": "sqlglot.expressions.CharacterSetColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CharacterSetColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CheckColumnConstraint": {"fullname": "sqlglot.expressions.CheckColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CheckColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CollateColumnConstraint": {"fullname": "sqlglot.expressions.CollateColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CollateColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CommentColumnConstraint": {"fullname": "sqlglot.expressions.CommentColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CommentColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CompressColumnConstraint": {"fullname": "sqlglot.expressions.CompressColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CompressColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.DateFormatColumnConstraint": {"fullname": "sqlglot.expressions.DateFormatColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "DateFormatColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.DefaultColumnConstraint": {"fullname": "sqlglot.expressions.DefaultColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "DefaultColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.EncodeColumnConstraint": {"fullname": "sqlglot.expressions.EncodeColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "EncodeColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.GeneratedAsIdentityColumnConstraint": {"fullname": "sqlglot.expressions.GeneratedAsIdentityColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "GeneratedAsIdentityColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.InlineLengthColumnConstraint": {"fullname": "sqlglot.expressions.InlineLengthColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "InlineLengthColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.NotNullColumnConstraint": {"fullname": "sqlglot.expressions.NotNullColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "NotNullColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.OnUpdateColumnConstraint": {"fullname": "sqlglot.expressions.OnUpdateColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "OnUpdateColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.PrimaryKeyColumnConstraint": {"fullname": "sqlglot.expressions.PrimaryKeyColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "PrimaryKeyColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.TitleColumnConstraint": {"fullname": "sqlglot.expressions.TitleColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "TitleColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.UniqueColumnConstraint": {"fullname": "sqlglot.expressions.UniqueColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "UniqueColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.UppercaseColumnConstraint": {"fullname": "sqlglot.expressions.UppercaseColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "UppercaseColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.PathColumnConstraint": {"fullname": "sqlglot.expressions.PathColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "PathColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.Constraint": {"fullname": "sqlglot.expressions.Constraint", "modulename": "sqlglot.expressions", "qualname": "Constraint", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Delete": {"fullname": "sqlglot.expressions.Delete", "modulename": "sqlglot.expressions", "qualname": "Delete", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Delete.delete": {"fullname": "sqlglot.expressions.Delete.delete", "modulename": "sqlglot.expressions", "qualname": "Delete.delete", "kind": "function", "doc": "

Create a DELETE expression or replace the table on an existing DELETE expression.

\n\n
Example:
\n\n
\n
\n
>>> delete("tbl").sql()\n'DELETE FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • table: the table from which to delete.
    • \n
  • dialect: the dialect used to parse the input expression.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Delete: the modified expression.

\n
\n", "signature": "(\tself,\ttable: Union[str, sqlglot.expressions.Expression],\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Delete:", "funcdef": "def"}, "sqlglot.expressions.Delete.where": {"fullname": "sqlglot.expressions.Delete.where", "modulename": "sqlglot.expressions", "qualname": "Delete.where", "kind": "function", "doc": "

Append to or set the WHERE expressions.

\n\n
Example:
\n\n
\n
\n
>>> delete("tbl").where("x = 'a' OR x < 'b'").sql()\n"DELETE FROM tbl WHERE x = 'a' OR x < 'b'"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions: the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.\nMultiple expressions are combined with an AND operator.
    • \n
  • append: if True, AND the new expressions to any existing expression.\nOtherwise, this resets the expression.
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Delete: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions: Union[str, sqlglot.expressions.Expression],\tappend: bool = True,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Delete:", "funcdef": "def"}, "sqlglot.expressions.Delete.returning": {"fullname": "sqlglot.expressions.Delete.returning", "modulename": "sqlglot.expressions", "qualname": "Delete.returning", "kind": "function", "doc": "

Set the RETURNING expression. Not supported by all dialects.

\n\n
Example:
\n\n
\n
\n
>>> delete("tbl").returning("*", dialect="postgres").sql()\n'DELETE FROM tbl RETURNING *'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Delete: the modified expression.

\n
\n", "signature": "(\tself,\texpression: Union[str, sqlglot.expressions.Expression],\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Delete:", "funcdef": "def"}, "sqlglot.expressions.Drop": {"fullname": "sqlglot.expressions.Drop", "modulename": "sqlglot.expressions", "qualname": "Drop", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Filter": {"fullname": "sqlglot.expressions.Filter", "modulename": "sqlglot.expressions", "qualname": "Filter", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Check": {"fullname": "sqlglot.expressions.Check", "modulename": "sqlglot.expressions", "qualname": "Check", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Directory": {"fullname": "sqlglot.expressions.Directory", "modulename": "sqlglot.expressions", "qualname": "Directory", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.ForeignKey": {"fullname": "sqlglot.expressions.ForeignKey", "modulename": "sqlglot.expressions", "qualname": "ForeignKey", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.PrimaryKey": {"fullname": "sqlglot.expressions.PrimaryKey", "modulename": "sqlglot.expressions", "qualname": "PrimaryKey", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Unique": {"fullname": "sqlglot.expressions.Unique", "modulename": "sqlglot.expressions", "qualname": "Unique", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Into": {"fullname": "sqlglot.expressions.Into", "modulename": "sqlglot.expressions", "qualname": "Into", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.From": {"fullname": "sqlglot.expressions.From", "modulename": "sqlglot.expressions", "qualname": "From", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Having": {"fullname": "sqlglot.expressions.Having", "modulename": "sqlglot.expressions", "qualname": "Having", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Hint": {"fullname": "sqlglot.expressions.Hint", "modulename": "sqlglot.expressions", "qualname": "Hint", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.JoinHint": {"fullname": "sqlglot.expressions.JoinHint", "modulename": "sqlglot.expressions", "qualname": "JoinHint", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Identifier": {"fullname": "sqlglot.expressions.Identifier", "modulename": "sqlglot.expressions", "qualname": "Identifier", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Identifier.output_name": {"fullname": "sqlglot.expressions.Identifier.output_name", "modulename": "sqlglot.expressions", "qualname": "Identifier.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Index": {"fullname": "sqlglot.expressions.Index", "modulename": "sqlglot.expressions", "qualname": "Index", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Insert": {"fullname": "sqlglot.expressions.Insert", "modulename": "sqlglot.expressions", "qualname": "Insert", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.OnConflict": {"fullname": "sqlglot.expressions.OnConflict", "modulename": "sqlglot.expressions", "qualname": "OnConflict", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Returning": {"fullname": "sqlglot.expressions.Returning", "modulename": "sqlglot.expressions", "qualname": "Returning", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Introducer": {"fullname": "sqlglot.expressions.Introducer", "modulename": "sqlglot.expressions", "qualname": "Introducer", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.National": {"fullname": "sqlglot.expressions.National", "modulename": "sqlglot.expressions", "qualname": "National", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.LoadData": {"fullname": "sqlglot.expressions.LoadData", "modulename": "sqlglot.expressions", "qualname": "LoadData", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Partition": {"fullname": "sqlglot.expressions.Partition", "modulename": "sqlglot.expressions", "qualname": "Partition", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Fetch": {"fullname": "sqlglot.expressions.Fetch", "modulename": "sqlglot.expressions", "qualname": "Fetch", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Group": {"fullname": "sqlglot.expressions.Group", "modulename": "sqlglot.expressions", "qualname": "Group", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Lambda": {"fullname": "sqlglot.expressions.Lambda", "modulename": "sqlglot.expressions", "qualname": "Lambda", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Limit": {"fullname": "sqlglot.expressions.Limit", "modulename": "sqlglot.expressions", "qualname": "Limit", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Literal": {"fullname": "sqlglot.expressions.Literal", "modulename": "sqlglot.expressions", "qualname": "Literal", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Literal.number": {"fullname": "sqlglot.expressions.Literal.number", "modulename": "sqlglot.expressions", "qualname": "Literal.number", "kind": "function", "doc": "

\n", "signature": "(cls, number) -> sqlglot.expressions.Literal:", "funcdef": "def"}, "sqlglot.expressions.Literal.string": {"fullname": "sqlglot.expressions.Literal.string", "modulename": "sqlglot.expressions", "qualname": "Literal.string", "kind": "function", "doc": "

\n", "signature": "(cls, string) -> sqlglot.expressions.Literal:", "funcdef": "def"}, "sqlglot.expressions.Literal.output_name": {"fullname": "sqlglot.expressions.Literal.output_name", "modulename": "sqlglot.expressions", "qualname": "Literal.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Join": {"fullname": "sqlglot.expressions.Join", "modulename": "sqlglot.expressions", "qualname": "Join", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Join.on": {"fullname": "sqlglot.expressions.Join.on", "modulename": "sqlglot.expressions", "qualname": "Join.on", "kind": "function", "doc": "

Append to or set the ON expressions.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()\n'JOIN x ON y = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.\nMultiple expressions are combined with an AND operator.
    • \n
  • append (bool): if True, AND the new expressions to any existing expression.\nOtherwise, this resets the expression.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Join: the modified join expression.

\n
\n", "signature": "(self, *expressions, append=True, dialect=None, copy=True, **opts):", "funcdef": "def"}, "sqlglot.expressions.Join.using": {"fullname": "sqlglot.expressions.Join.using", "modulename": "sqlglot.expressions", "qualname": "Join.using", "kind": "function", "doc": "

Append to or set the USING expressions.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()\n'JOIN x USING (foo, bla)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append (bool): if True, concatenate the new expressions to the existing \"using\" list.\nOtherwise, this resets the expression.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Join: the modified join expression.

\n
\n", "signature": "(self, *expressions, append=True, dialect=None, copy=True, **opts):", "funcdef": "def"}, "sqlglot.expressions.Lateral": {"fullname": "sqlglot.expressions.Lateral", "modulename": "sqlglot.expressions", "qualname": "Lateral", "kind": "class", "doc": "

\n", "bases": "UDTF"}, "sqlglot.expressions.MatchRecognize": {"fullname": "sqlglot.expressions.MatchRecognize", "modulename": "sqlglot.expressions", "qualname": "MatchRecognize", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Final": {"fullname": "sqlglot.expressions.Final", "modulename": "sqlglot.expressions", "qualname": "Final", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Offset": {"fullname": "sqlglot.expressions.Offset", "modulename": "sqlglot.expressions", "qualname": "Offset", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Order": {"fullname": "sqlglot.expressions.Order", "modulename": "sqlglot.expressions", "qualname": "Order", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Cluster": {"fullname": "sqlglot.expressions.Cluster", "modulename": "sqlglot.expressions", "qualname": "Cluster", "kind": "class", "doc": "

\n", "bases": "Order"}, "sqlglot.expressions.Distribute": {"fullname": "sqlglot.expressions.Distribute", "modulename": "sqlglot.expressions", "qualname": "Distribute", "kind": "class", "doc": "

\n", "bases": "Order"}, "sqlglot.expressions.Sort": {"fullname": "sqlglot.expressions.Sort", "modulename": "sqlglot.expressions", "qualname": "Sort", "kind": "class", "doc": "

\n", "bases": "Order"}, "sqlglot.expressions.Ordered": {"fullname": "sqlglot.expressions.Ordered", "modulename": "sqlglot.expressions", "qualname": "Ordered", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Property": {"fullname": "sqlglot.expressions.Property", "modulename": "sqlglot.expressions", "qualname": "Property", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AfterJournalProperty": {"fullname": "sqlglot.expressions.AfterJournalProperty", "modulename": "sqlglot.expressions", "qualname": "AfterJournalProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.AlgorithmProperty": {"fullname": "sqlglot.expressions.AlgorithmProperty", "modulename": "sqlglot.expressions", "qualname": "AlgorithmProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.AutoIncrementProperty": {"fullname": "sqlglot.expressions.AutoIncrementProperty", "modulename": "sqlglot.expressions", "qualname": "AutoIncrementProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.BlockCompressionProperty": {"fullname": "sqlglot.expressions.BlockCompressionProperty", "modulename": "sqlglot.expressions", "qualname": "BlockCompressionProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.CharacterSetProperty": {"fullname": "sqlglot.expressions.CharacterSetProperty", "modulename": "sqlglot.expressions", "qualname": "CharacterSetProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.ChecksumProperty": {"fullname": "sqlglot.expressions.ChecksumProperty", "modulename": "sqlglot.expressions", "qualname": "ChecksumProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.CollateProperty": {"fullname": "sqlglot.expressions.CollateProperty", "modulename": "sqlglot.expressions", "qualname": "CollateProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.DataBlocksizeProperty": {"fullname": "sqlglot.expressions.DataBlocksizeProperty", "modulename": "sqlglot.expressions", "qualname": "DataBlocksizeProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.DefinerProperty": {"fullname": "sqlglot.expressions.DefinerProperty", "modulename": "sqlglot.expressions", "qualname": "DefinerProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.DistKeyProperty": {"fullname": "sqlglot.expressions.DistKeyProperty", "modulename": "sqlglot.expressions", "qualname": "DistKeyProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.DistStyleProperty": {"fullname": "sqlglot.expressions.DistStyleProperty", "modulename": "sqlglot.expressions", "qualname": "DistStyleProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.EngineProperty": {"fullname": "sqlglot.expressions.EngineProperty", "modulename": "sqlglot.expressions", "qualname": "EngineProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.ExecuteAsProperty": {"fullname": "sqlglot.expressions.ExecuteAsProperty", "modulename": "sqlglot.expressions", "qualname": "ExecuteAsProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.ExternalProperty": {"fullname": "sqlglot.expressions.ExternalProperty", "modulename": "sqlglot.expressions", "qualname": "ExternalProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.FallbackProperty": {"fullname": "sqlglot.expressions.FallbackProperty", "modulename": "sqlglot.expressions", "qualname": "FallbackProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.FileFormatProperty": {"fullname": "sqlglot.expressions.FileFormatProperty", "modulename": "sqlglot.expressions", "qualname": "FileFormatProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.FreespaceProperty": {"fullname": "sqlglot.expressions.FreespaceProperty", "modulename": "sqlglot.expressions", "qualname": "FreespaceProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.InputOutputFormat": {"fullname": "sqlglot.expressions.InputOutputFormat", "modulename": "sqlglot.expressions", "qualname": "InputOutputFormat", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.IsolatedLoadingProperty": {"fullname": "sqlglot.expressions.IsolatedLoadingProperty", "modulename": "sqlglot.expressions", "qualname": "IsolatedLoadingProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.JournalProperty": {"fullname": "sqlglot.expressions.JournalProperty", "modulename": "sqlglot.expressions", "qualname": "JournalProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LanguageProperty": {"fullname": "sqlglot.expressions.LanguageProperty", "modulename": "sqlglot.expressions", "qualname": "LanguageProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LikeProperty": {"fullname": "sqlglot.expressions.LikeProperty", "modulename": "sqlglot.expressions", "qualname": "LikeProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LocationProperty": {"fullname": "sqlglot.expressions.LocationProperty", "modulename": "sqlglot.expressions", "qualname": "LocationProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LockingProperty": {"fullname": "sqlglot.expressions.LockingProperty", "modulename": "sqlglot.expressions", "qualname": "LockingProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LogProperty": {"fullname": "sqlglot.expressions.LogProperty", "modulename": "sqlglot.expressions", "qualname": "LogProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.MaterializedProperty": {"fullname": "sqlglot.expressions.MaterializedProperty", "modulename": "sqlglot.expressions", "qualname": "MaterializedProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.MergeBlockRatioProperty": {"fullname": "sqlglot.expressions.MergeBlockRatioProperty", "modulename": "sqlglot.expressions", "qualname": "MergeBlockRatioProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.NoPrimaryIndexProperty": {"fullname": "sqlglot.expressions.NoPrimaryIndexProperty", "modulename": "sqlglot.expressions", "qualname": "NoPrimaryIndexProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.OnCommitProperty": {"fullname": "sqlglot.expressions.OnCommitProperty", "modulename": "sqlglot.expressions", "qualname": "OnCommitProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.PartitionedByProperty": {"fullname": "sqlglot.expressions.PartitionedByProperty", "modulename": "sqlglot.expressions", "qualname": "PartitionedByProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.ReturnsProperty": {"fullname": "sqlglot.expressions.ReturnsProperty", "modulename": "sqlglot.expressions", "qualname": "ReturnsProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.RowFormatProperty": {"fullname": "sqlglot.expressions.RowFormatProperty", "modulename": "sqlglot.expressions", "qualname": "RowFormatProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.RowFormatDelimitedProperty": {"fullname": "sqlglot.expressions.RowFormatDelimitedProperty", "modulename": "sqlglot.expressions", "qualname": "RowFormatDelimitedProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.RowFormatSerdeProperty": {"fullname": "sqlglot.expressions.RowFormatSerdeProperty", "modulename": "sqlglot.expressions", "qualname": "RowFormatSerdeProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SchemaCommentProperty": {"fullname": "sqlglot.expressions.SchemaCommentProperty", "modulename": "sqlglot.expressions", "qualname": "SchemaCommentProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SerdeProperties": {"fullname": "sqlglot.expressions.SerdeProperties", "modulename": "sqlglot.expressions", "qualname": "SerdeProperties", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SetProperty": {"fullname": "sqlglot.expressions.SetProperty", "modulename": "sqlglot.expressions", "qualname": "SetProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SortKeyProperty": {"fullname": "sqlglot.expressions.SortKeyProperty", "modulename": "sqlglot.expressions", "qualname": "SortKeyProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SqlSecurityProperty": {"fullname": "sqlglot.expressions.SqlSecurityProperty", "modulename": "sqlglot.expressions", "qualname": "SqlSecurityProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.StabilityProperty": {"fullname": "sqlglot.expressions.StabilityProperty", "modulename": "sqlglot.expressions", "qualname": "StabilityProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.TableFormatProperty": {"fullname": "sqlglot.expressions.TableFormatProperty", "modulename": "sqlglot.expressions", "qualname": "TableFormatProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.TemporaryProperty": {"fullname": "sqlglot.expressions.TemporaryProperty", "modulename": "sqlglot.expressions", "qualname": "TemporaryProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.TransientProperty": {"fullname": "sqlglot.expressions.TransientProperty", "modulename": "sqlglot.expressions", "qualname": "TransientProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.VolatileProperty": {"fullname": "sqlglot.expressions.VolatileProperty", "modulename": "sqlglot.expressions", "qualname": "VolatileProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.WithDataProperty": {"fullname": "sqlglot.expressions.WithDataProperty", "modulename": "sqlglot.expressions", "qualname": "WithDataProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.WithJournalTableProperty": {"fullname": "sqlglot.expressions.WithJournalTableProperty", "modulename": "sqlglot.expressions", "qualname": "WithJournalTableProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.Properties": {"fullname": "sqlglot.expressions.Properties", "modulename": "sqlglot.expressions", "qualname": "Properties", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Properties.Location": {"fullname": "sqlglot.expressions.Properties.Location", "modulename": "sqlglot.expressions", "qualname": "Properties.Location", "kind": "class", "doc": "

An enumeration.

\n", "bases": "sqlglot.helper.AutoName"}, "sqlglot.expressions.Properties.Location.POST_CREATE": {"fullname": "sqlglot.expressions.Properties.Location.POST_CREATE", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_CREATE", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_CREATE: 'POST_CREATE'>"}, "sqlglot.expressions.Properties.Location.POST_NAME": {"fullname": "sqlglot.expressions.Properties.Location.POST_NAME", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_NAME", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_NAME: 'POST_NAME'>"}, "sqlglot.expressions.Properties.Location.POST_SCHEMA": {"fullname": "sqlglot.expressions.Properties.Location.POST_SCHEMA", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_SCHEMA", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_SCHEMA: 'POST_SCHEMA'>"}, "sqlglot.expressions.Properties.Location.POST_WITH": {"fullname": "sqlglot.expressions.Properties.Location.POST_WITH", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_WITH", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_WITH: 'POST_WITH'>"}, "sqlglot.expressions.Properties.Location.POST_ALIAS": {"fullname": "sqlglot.expressions.Properties.Location.POST_ALIAS", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_ALIAS", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_ALIAS: 'POST_ALIAS'>"}, "sqlglot.expressions.Properties.Location.POST_EXPRESSION": {"fullname": "sqlglot.expressions.Properties.Location.POST_EXPRESSION", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_EXPRESSION", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_EXPRESSION: 'POST_EXPRESSION'>"}, "sqlglot.expressions.Properties.Location.POST_INDEX": {"fullname": "sqlglot.expressions.Properties.Location.POST_INDEX", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_INDEX", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_INDEX: 'POST_INDEX'>"}, "sqlglot.expressions.Properties.Location.UNSUPPORTED": {"fullname": "sqlglot.expressions.Properties.Location.UNSUPPORTED", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.UNSUPPORTED", "kind": "variable", "doc": "

\n", "default_value": "<Location.UNSUPPORTED: 'UNSUPPORTED'>"}, "sqlglot.expressions.Properties.from_dict": {"fullname": "sqlglot.expressions.Properties.from_dict", "modulename": "sqlglot.expressions", "qualname": "Properties.from_dict", "kind": "function", "doc": "

\n", "signature": "(cls, properties_dict) -> sqlglot.expressions.Properties:", "funcdef": "def"}, "sqlglot.expressions.Qualify": {"fullname": "sqlglot.expressions.Qualify", "modulename": "sqlglot.expressions", "qualname": "Qualify", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Return": {"fullname": "sqlglot.expressions.Return", "modulename": "sqlglot.expressions", "qualname": "Return", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Reference": {"fullname": "sqlglot.expressions.Reference", "modulename": "sqlglot.expressions", "qualname": "Reference", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Tuple": {"fullname": "sqlglot.expressions.Tuple", "modulename": "sqlglot.expressions", "qualname": "Tuple", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Subqueryable": {"fullname": "sqlglot.expressions.Subqueryable", "modulename": "sqlglot.expressions", "qualname": "Subqueryable", "kind": "class", "doc": "

\n", "bases": "Unionable"}, "sqlglot.expressions.Subqueryable.subquery": {"fullname": "sqlglot.expressions.Subqueryable.subquery", "modulename": "sqlglot.expressions", "qualname": "Subqueryable.subquery", "kind": "function", "doc": "

Convert this expression to an aliased expression that can be used as a Subquery.

\n\n
Example:
\n\n
\n
\n
>>> subquery = Select().select("x").from_("tbl").subquery()\n>>> Select().select("x").from_(subquery).sql()\n'SELECT x FROM (SELECT x FROM tbl)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • alias (str | Identifier): an optional alias for the subquery
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
\n\n
Returns:
\n\n
\n

Alias: the subquery

\n
\n", "signature": "(self, alias=None, copy=True) -> sqlglot.expressions.Subquery:", "funcdef": "def"}, "sqlglot.expressions.Subqueryable.limit": {"fullname": "sqlglot.expressions.Subqueryable.limit", "modulename": "sqlglot.expressions", "qualname": "Subqueryable.limit", "kind": "function", "doc": "

\n", "signature": "(\tself,\texpression,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Subqueryable.with_": {"fullname": "sqlglot.expressions.Subqueryable.with_", "modulename": "sqlglot.expressions", "qualname": "Subqueryable.with_", "kind": "function", "doc": "

Append to or set the common table expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()\n'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • alias (str | Expression): the SQL code string to parse as the table name.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • as_ (str | Expression): the SQL code string to parse as the table expression.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • recursive (bool): set the RECURSIVE part of the expression. Defaults to False.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\talias,\tas_,\trecursive=None,\tappend=True,\tdialect=None,\tcopy=True,\t**opts):", "funcdef": "def"}, "sqlglot.expressions.Table": {"fullname": "sqlglot.expressions.Table", "modulename": "sqlglot.expressions", "qualname": "Table", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.SystemTime": {"fullname": "sqlglot.expressions.SystemTime", "modulename": "sqlglot.expressions", "qualname": "SystemTime", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Union": {"fullname": "sqlglot.expressions.Union", "modulename": "sqlglot.expressions", "qualname": "Union", "kind": "class", "doc": "

\n", "bases": "Subqueryable"}, "sqlglot.expressions.Union.limit": {"fullname": "sqlglot.expressions.Union.limit", "modulename": "sqlglot.expressions", "qualname": "Union.limit", "kind": "function", "doc": "

Set the LIMIT expression.

\n\n
Example:
\n\n
\n
\n
>>> select("1").union(select("1")).limit(1).sql()\n'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | int | Expression): the SQL code string to parse.\nThis can also be an integer.\nIf a Limit instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Limit.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: The limited subqueryable.

\n
\n", "signature": "(\tself,\texpression,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Union.select": {"fullname": "sqlglot.expressions.Union.select", "modulename": "sqlglot.expressions", "qualname": "Union.select", "kind": "function", "doc": "

Append to or set the SELECT of the union recursively.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("select a from x union select a from y union select a from z").select("b").sql()\n'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions: the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append: if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Union: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions: Union[str, sqlglot.expressions.Expression],\tappend: bool = True,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Union:", "funcdef": "def"}, "sqlglot.expressions.Union.is_star": {"fullname": "sqlglot.expressions.Union.is_star", "modulename": "sqlglot.expressions", "qualname": "Union.is_star", "kind": "variable", "doc": "

Checks whether an expression is a star.

\n", "annotation": ": bool"}, "sqlglot.expressions.Except": {"fullname": "sqlglot.expressions.Except", "modulename": "sqlglot.expressions", "qualname": "Except", "kind": "class", "doc": "

\n", "bases": "Union"}, "sqlglot.expressions.Intersect": {"fullname": "sqlglot.expressions.Intersect", "modulename": "sqlglot.expressions", "qualname": "Intersect", "kind": "class", "doc": "

\n", "bases": "Union"}, "sqlglot.expressions.Unnest": {"fullname": "sqlglot.expressions.Unnest", "modulename": "sqlglot.expressions", "qualname": "Unnest", "kind": "class", "doc": "

\n", "bases": "UDTF"}, "sqlglot.expressions.Update": {"fullname": "sqlglot.expressions.Update", "modulename": "sqlglot.expressions", "qualname": "Update", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Values": {"fullname": "sqlglot.expressions.Values", "modulename": "sqlglot.expressions", "qualname": "Values", "kind": "class", "doc": "

\n", "bases": "UDTF"}, "sqlglot.expressions.Var": {"fullname": "sqlglot.expressions.Var", "modulename": "sqlglot.expressions", "qualname": "Var", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Schema": {"fullname": "sqlglot.expressions.Schema", "modulename": "sqlglot.expressions", "qualname": "Schema", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Lock": {"fullname": "sqlglot.expressions.Lock", "modulename": "sqlglot.expressions", "qualname": "Lock", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Select": {"fullname": "sqlglot.expressions.Select", "modulename": "sqlglot.expressions", "qualname": "Select", "kind": "class", "doc": "

\n", "bases": "Subqueryable"}, "sqlglot.expressions.Select.from_": {"fullname": "sqlglot.expressions.Select.from_", "modulename": "sqlglot.expressions", "qualname": "Select.from_", "kind": "function", "doc": "

Set the FROM expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").sql()\n'SELECT x FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a From instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a From.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the From expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.group_by": {"fullname": "sqlglot.expressions.Select.group_by", "modulename": "sqlglot.expressions", "qualname": "Select.group_by", "kind": "function", "doc": "

Set the GROUP BY expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()\n'SELECT x, COUNT(1) FROM tbl GROUP BY x'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a Group instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Group.\nIf nothing is passed in then a group by is not applied to the expression
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the Group expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.order_by": {"fullname": "sqlglot.expressions.Select.order_by", "modulename": "sqlglot.expressions", "qualname": "Select.order_by", "kind": "function", "doc": "

Set the ORDER BY expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").order_by("x DESC").sql()\n'SELECT x FROM tbl ORDER BY x DESC'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a Group instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Order.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the Order expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.sort_by": {"fullname": "sqlglot.expressions.Select.sort_by", "modulename": "sqlglot.expressions", "qualname": "Select.sort_by", "kind": "function", "doc": "

Set the SORT BY expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").sort_by("x DESC").sql()\n'SELECT x FROM tbl SORT BY x DESC'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a Group instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a SORT.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the Order expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.cluster_by": {"fullname": "sqlglot.expressions.Select.cluster_by", "modulename": "sqlglot.expressions", "qualname": "Select.cluster_by", "kind": "function", "doc": "

Set the CLUSTER BY expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()\n'SELECT x FROM tbl CLUSTER BY x DESC'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a Group instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Cluster.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the Order expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.limit": {"fullname": "sqlglot.expressions.Select.limit", "modulename": "sqlglot.expressions", "qualname": "Select.limit", "kind": "function", "doc": "

Set the LIMIT expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").limit(10).sql()\n'SELECT x FROM tbl LIMIT 10'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | int | Expression): the SQL code string to parse.\nThis can also be an integer.\nIf a Limit instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Limit.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\texpression,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.offset": {"fullname": "sqlglot.expressions.Select.offset", "modulename": "sqlglot.expressions", "qualname": "Select.offset", "kind": "function", "doc": "

Set the OFFSET expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").offset(10).sql()\n'SELECT x FROM tbl OFFSET 10'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | int | Expression): the SQL code string to parse.\nThis can also be an integer.\nIf a Offset instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Offset.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\texpression,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.select": {"fullname": "sqlglot.expressions.Select.select", "modulename": "sqlglot.expressions", "qualname": "Select.select", "kind": "function", "doc": "

Append to or set the SELECT expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("x", "y").sql()\n'SELECT x, y'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions: the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append: if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions: Union[str, sqlglot.expressions.Expression],\tappend: bool = True,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.lateral": {"fullname": "sqlglot.expressions.Select.lateral", "modulename": "sqlglot.expressions", "qualname": "Select.lateral", "kind": "function", "doc": "

Append to or set the LATERAL expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()\n'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.join": {"fullname": "sqlglot.expressions.Select.join", "modulename": "sqlglot.expressions", "qualname": "Select.join", "kind": "function", "doc": "

Append to or set the JOIN expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()\n'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'\n
\n
\n \n
\n
>>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()\n'SELECT 1 FROM a JOIN b USING (x, y, z)'\n
\n
\n \n

Use join_type to change the type of join:

\n \n
\n
>>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()\n'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code string to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • on (str | Expression): optionally specify the join \"on\" criteria as a SQL string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • using (str | Expression): optionally specify the join \"using\" criteria as a SQL string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • join_type (str): If set, alter the parsed join type
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\texpression,\ton=None,\tusing=None,\tappend=True,\tjoin_type=None,\tjoin_alias=None,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.where": {"fullname": "sqlglot.expressions.Select.where", "modulename": "sqlglot.expressions", "qualname": "Select.where", "kind": "function", "doc": "

Append to or set the WHERE expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()\n"SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.\nMultiple expressions are combined with an AND operator.
    • \n
  • append (bool): if True, AND the new expressions to any existing expression.\nOtherwise, this resets the expression.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.having": {"fullname": "sqlglot.expressions.Select.having", "modulename": "sqlglot.expressions", "qualname": "Select.having", "kind": "function", "doc": "

Append to or set the HAVING expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()\n'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.\nMultiple expressions are combined with an AND operator.
    • \n
  • append (bool): if True, AND the new expressions to any existing expression.\nOtherwise, this resets the expression.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.window": {"fullname": "sqlglot.expressions.Select.window", "modulename": "sqlglot.expressions", "qualname": "Select.window", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.qualify": {"fullname": "sqlglot.expressions.Select.qualify", "modulename": "sqlglot.expressions", "qualname": "Select.qualify", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.distinct": {"fullname": "sqlglot.expressions.Select.distinct", "modulename": "sqlglot.expressions", "qualname": "Select.distinct", "kind": "function", "doc": "

Set the OFFSET expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").distinct().sql()\n'SELECT DISTINCT x FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • distinct (bool): whether the Select should be distinct
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(self, distinct=True, copy=True) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.ctas": {"fullname": "sqlglot.expressions.Select.ctas", "modulename": "sqlglot.expressions", "qualname": "Select.ctas", "kind": "function", "doc": "

Convert this expression to a CREATE TABLE AS statement.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("*").from_("tbl").ctas("x").sql()\n'CREATE TABLE x AS SELECT * FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • table (str | Expression): the SQL code string to parse as the table name.\nIf another Expression instance is passed, it will be used as-is.
    • \n
  • properties (dict): an optional mapping of table properties
    • \n
  • dialect (str): the dialect used to parse the input table.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input table.
    • \n
\n\n
Returns:
\n\n
\n

Create: the CREATE TABLE AS expression

\n
\n", "signature": "(\tself,\ttable,\tproperties=None,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Create:", "funcdef": "def"}, "sqlglot.expressions.Select.lock": {"fullname": "sqlglot.expressions.Select.lock", "modulename": "sqlglot.expressions", "qualname": "Select.lock", "kind": "function", "doc": "

Set the locking read mode for this expression.

\n\n
Examples:
\n\n
\n
\n
>>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")\n"SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"\n
\n
\n \n
\n
>>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")\n"SELECT x FROM tbl WHERE x = 'a' FOR SHARE"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • update: if True, the locking type will be FOR UPDATE, else it will be FOR SHARE.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
\n\n
Returns:
\n\n
\n

The modified expression.

\n
\n", "signature": "(\tself,\tupdate: bool = True,\tcopy: bool = True) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.is_star": {"fullname": "sqlglot.expressions.Select.is_star", "modulename": "sqlglot.expressions", "qualname": "Select.is_star", "kind": "variable", "doc": "

Checks whether an expression is a star.

\n", "annotation": ": bool"}, "sqlglot.expressions.Subquery": {"fullname": "sqlglot.expressions.Subquery", "modulename": "sqlglot.expressions", "qualname": "Subquery", "kind": "class", "doc": "

\n", "bases": "DerivedTable, Unionable"}, "sqlglot.expressions.Subquery.unnest": {"fullname": "sqlglot.expressions.Subquery.unnest", "modulename": "sqlglot.expressions", "qualname": "Subquery.unnest", "kind": "function", "doc": "

Returns the first non subquery.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Subquery.is_star": {"fullname": "sqlglot.expressions.Subquery.is_star", "modulename": "sqlglot.expressions", "qualname": "Subquery.is_star", "kind": "variable", "doc": "

Checks whether an expression is a star.

\n", "annotation": ": bool"}, "sqlglot.expressions.Subquery.output_name": {"fullname": "sqlglot.expressions.Subquery.output_name", "modulename": "sqlglot.expressions", "qualname": "Subquery.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.TableSample": {"fullname": "sqlglot.expressions.TableSample", "modulename": "sqlglot.expressions", "qualname": "TableSample", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Tag": {"fullname": "sqlglot.expressions.Tag", "modulename": "sqlglot.expressions", "qualname": "Tag", "kind": "class", "doc": "

Tags are used for generating arbitrary sql like SELECT x.

\n", "bases": "Expression"}, "sqlglot.expressions.Pivot": {"fullname": "sqlglot.expressions.Pivot", "modulename": "sqlglot.expressions", "qualname": "Pivot", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Window": {"fullname": "sqlglot.expressions.Window", "modulename": "sqlglot.expressions", "qualname": "Window", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.WindowSpec": {"fullname": "sqlglot.expressions.WindowSpec", "modulename": "sqlglot.expressions", "qualname": "WindowSpec", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Where": {"fullname": "sqlglot.expressions.Where", "modulename": "sqlglot.expressions", "qualname": "Where", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Star": {"fullname": "sqlglot.expressions.Star", "modulename": "sqlglot.expressions", "qualname": "Star", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Star.output_name": {"fullname": "sqlglot.expressions.Star.output_name", "modulename": "sqlglot.expressions", "qualname": "Star.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Parameter": {"fullname": "sqlglot.expressions.Parameter", "modulename": "sqlglot.expressions", "qualname": "Parameter", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.SessionParameter": {"fullname": "sqlglot.expressions.SessionParameter", "modulename": "sqlglot.expressions", "qualname": "SessionParameter", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Placeholder": {"fullname": "sqlglot.expressions.Placeholder", "modulename": "sqlglot.expressions", "qualname": "Placeholder", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Null": {"fullname": "sqlglot.expressions.Null", "modulename": "sqlglot.expressions", "qualname": "Null", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Boolean": {"fullname": "sqlglot.expressions.Boolean", "modulename": "sqlglot.expressions", "qualname": "Boolean", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.DataType": {"fullname": "sqlglot.expressions.DataType", "modulename": "sqlglot.expressions", "qualname": "DataType", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.DataType.Type": {"fullname": "sqlglot.expressions.DataType.Type", "modulename": "sqlglot.expressions", "qualname": "DataType.Type", "kind": "class", "doc": "

An enumeration.

\n", "bases": "sqlglot.helper.AutoName"}, "sqlglot.expressions.DataType.Type.CHAR": {"fullname": "sqlglot.expressions.DataType.Type.CHAR", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.CHAR", "kind": "variable", "doc": "

\n", "default_value": "<Type.CHAR: 'CHAR'>"}, "sqlglot.expressions.DataType.Type.NCHAR": {"fullname": "sqlglot.expressions.DataType.Type.NCHAR", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.NCHAR", "kind": "variable", "doc": "

\n", "default_value": "<Type.NCHAR: 'NCHAR'>"}, "sqlglot.expressions.DataType.Type.VARCHAR": {"fullname": "sqlglot.expressions.DataType.Type.VARCHAR", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.VARCHAR", "kind": "variable", "doc": "

\n", "default_value": "<Type.VARCHAR: 'VARCHAR'>"}, "sqlglot.expressions.DataType.Type.NVARCHAR": {"fullname": "sqlglot.expressions.DataType.Type.NVARCHAR", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.NVARCHAR", "kind": "variable", "doc": "

\n", "default_value": "<Type.NVARCHAR: 'NVARCHAR'>"}, "sqlglot.expressions.DataType.Type.TEXT": {"fullname": "sqlglot.expressions.DataType.Type.TEXT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.TEXT", "kind": "variable", "doc": "

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\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.GT": {"fullname": "sqlglot.expressions.GT", "modulename": "sqlglot.expressions", "qualname": "GT", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.GTE": {"fullname": "sqlglot.expressions.GTE", "modulename": "sqlglot.expressions", "qualname": "GTE", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.ILike": {"fullname": "sqlglot.expressions.ILike", "modulename": "sqlglot.expressions", "qualname": "ILike", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.ILikeAny": {"fullname": "sqlglot.expressions.ILikeAny", "modulename": "sqlglot.expressions", "qualname": "ILikeAny", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.IntDiv": {"fullname": "sqlglot.expressions.IntDiv", "modulename": "sqlglot.expressions", "qualname": "IntDiv", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Is": {"fullname": "sqlglot.expressions.Is", "modulename": "sqlglot.expressions", "qualname": "Is", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.Kwarg": {"fullname": "sqlglot.expressions.Kwarg", "modulename": "sqlglot.expressions", "qualname": "Kwarg", "kind": "class", "doc": "

Kwarg in special functions like func(kwarg => y).

\n", "bases": "Binary"}, "sqlglot.expressions.Like": {"fullname": "sqlglot.expressions.Like", "modulename": "sqlglot.expressions", "qualname": "Like", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.LikeAny": {"fullname": "sqlglot.expressions.LikeAny", "modulename": "sqlglot.expressions", "qualname": "LikeAny", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.LT": {"fullname": "sqlglot.expressions.LT", "modulename": "sqlglot.expressions", "qualname": "LT", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.LTE": {"fullname": "sqlglot.expressions.LTE", "modulename": "sqlglot.expressions", "qualname": "LTE", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.Mod": {"fullname": "sqlglot.expressions.Mod", "modulename": "sqlglot.expressions", "qualname": "Mod", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Mul": {"fullname": "sqlglot.expressions.Mul", "modulename": "sqlglot.expressions", "qualname": "Mul", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.NEQ": {"fullname": "sqlglot.expressions.NEQ", "modulename": "sqlglot.expressions", "qualname": "NEQ", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.SimilarTo": {"fullname": "sqlglot.expressions.SimilarTo", "modulename": "sqlglot.expressions", "qualname": "SimilarTo", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.Slice": {"fullname": "sqlglot.expressions.Slice", "modulename": "sqlglot.expressions", "qualname": "Slice", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Sub": {"fullname": "sqlglot.expressions.Sub", "modulename": "sqlglot.expressions", "qualname": "Sub", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.ArrayOverlaps": {"fullname": "sqlglot.expressions.ArrayOverlaps", "modulename": "sqlglot.expressions", "qualname": "ArrayOverlaps", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Unary": {"fullname": "sqlglot.expressions.Unary", "modulename": "sqlglot.expressions", "qualname": "Unary", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.BitwiseNot": {"fullname": "sqlglot.expressions.BitwiseNot", "modulename": "sqlglot.expressions", "qualname": "BitwiseNot", "kind": "class", "doc": "

\n", "bases": "Unary"}, "sqlglot.expressions.Not": {"fullname": "sqlglot.expressions.Not", "modulename": "sqlglot.expressions", "qualname": "Not", "kind": "class", "doc": "

\n", "bases": "Unary, Condition"}, "sqlglot.expressions.Paren": {"fullname": "sqlglot.expressions.Paren", "modulename": "sqlglot.expressions", "qualname": "Paren", "kind": "class", "doc": "

\n", "bases": "Unary, Condition"}, "sqlglot.expressions.Neg": {"fullname": "sqlglot.expressions.Neg", "modulename": "sqlglot.expressions", "qualname": "Neg", "kind": "class", "doc": "

\n", "bases": "Unary"}, "sqlglot.expressions.Alias": {"fullname": "sqlglot.expressions.Alias", "modulename": "sqlglot.expressions", "qualname": "Alias", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Alias.output_name": {"fullname": "sqlglot.expressions.Alias.output_name", "modulename": "sqlglot.expressions", "qualname": "Alias.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Aliases": {"fullname": "sqlglot.expressions.Aliases", "modulename": "sqlglot.expressions", "qualname": "Aliases", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AtTimeZone": {"fullname": "sqlglot.expressions.AtTimeZone", "modulename": "sqlglot.expressions", "qualname": "AtTimeZone", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Between": {"fullname": "sqlglot.expressions.Between", "modulename": "sqlglot.expressions", "qualname": "Between", "kind": "class", "doc": "

\n", "bases": "Predicate"}, "sqlglot.expressions.Bracket": {"fullname": "sqlglot.expressions.Bracket", "modulename": "sqlglot.expressions", "qualname": "Bracket", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Distinct": {"fullname": "sqlglot.expressions.Distinct", "modulename": "sqlglot.expressions", "qualname": "Distinct", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.In": {"fullname": "sqlglot.expressions.In", "modulename": "sqlglot.expressions", "qualname": "In", "kind": "class", "doc": "

\n", "bases": "Predicate"}, "sqlglot.expressions.TimeUnit": {"fullname": "sqlglot.expressions.TimeUnit", "modulename": "sqlglot.expressions", "qualname": "TimeUnit", "kind": "class", "doc": "

Automatically converts unit arg into a var.

\n", "bases": "Expression"}, "sqlglot.expressions.TimeUnit.__init__": {"fullname": "sqlglot.expressions.TimeUnit.__init__", "modulename": "sqlglot.expressions", "qualname": "TimeUnit.__init__", "kind": "function", "doc": "

\n", "signature": "(**args)"}, "sqlglot.expressions.Interval": {"fullname": "sqlglot.expressions.Interval", "modulename": "sqlglot.expressions", "qualname": "Interval", "kind": "class", "doc": "

\n", "bases": "TimeUnit"}, "sqlglot.expressions.IgnoreNulls": {"fullname": "sqlglot.expressions.IgnoreNulls", "modulename": "sqlglot.expressions", "qualname": "IgnoreNulls", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.RespectNulls": {"fullname": "sqlglot.expressions.RespectNulls", "modulename": "sqlglot.expressions", "qualname": "RespectNulls", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Func": {"fullname": "sqlglot.expressions.Func", "modulename": "sqlglot.expressions", "qualname": "Func", "kind": "class", "doc": "

The base class for all function expressions.

\n\n
Attributes:
\n\n
    \n
  • is_var_len_args (bool): if set to True the last argument defined in arg_types will be\ntreated as a variable length argument and the argument's value will be stored as a list.
    • \n
  • _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items)\nfor this function expression. These values are used to map this node to a name during parsing\nas well as to provide the function's name during SQL string generation. By default the SQL\nname is set to the expression's class name transformed to snake case.
    • \n
\n", "bases": "Condition"}, "sqlglot.expressions.Func.from_arg_list": {"fullname": "sqlglot.expressions.Func.from_arg_list", "modulename": "sqlglot.expressions", "qualname": "Func.from_arg_list", "kind": "function", "doc": "

\n", "signature": "(cls, args):", "funcdef": "def"}, "sqlglot.expressions.Func.sql_names": {"fullname": "sqlglot.expressions.Func.sql_names", "modulename": "sqlglot.expressions", "qualname": "Func.sql_names", "kind": "function", "doc": "

\n", "signature": "(cls):", "funcdef": "def"}, "sqlglot.expressions.Func.sql_name": {"fullname": "sqlglot.expressions.Func.sql_name", "modulename": "sqlglot.expressions", "qualname": "Func.sql_name", "kind": "function", "doc": "

\n", "signature": "(cls):", "funcdef": "def"}, "sqlglot.expressions.Func.default_parser_mappings": {"fullname": "sqlglot.expressions.Func.default_parser_mappings", "modulename": "sqlglot.expressions", "qualname": "Func.default_parser_mappings", "kind": "function", "doc": "

\n", "signature": "(cls):", "funcdef": "def"}, "sqlglot.expressions.AggFunc": {"fullname": "sqlglot.expressions.AggFunc", "modulename": "sqlglot.expressions", "qualname": "AggFunc", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Abs": {"fullname": "sqlglot.expressions.Abs", "modulename": "sqlglot.expressions", "qualname": "Abs", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Anonymous": {"fullname": "sqlglot.expressions.Anonymous", "modulename": "sqlglot.expressions", "qualname": "Anonymous", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Hll": {"fullname": "sqlglot.expressions.Hll", "modulename": "sqlglot.expressions", "qualname": "Hll", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.ApproxDistinct": {"fullname": "sqlglot.expressions.ApproxDistinct", "modulename": "sqlglot.expressions", "qualname": "ApproxDistinct", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Array": {"fullname": "sqlglot.expressions.Array", "modulename": "sqlglot.expressions", "qualname": "Array", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ToChar": {"fullname": "sqlglot.expressions.ToChar", "modulename": "sqlglot.expressions", "qualname": "ToChar", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.GenerateSeries": {"fullname": "sqlglot.expressions.GenerateSeries", "modulename": "sqlglot.expressions", "qualname": "GenerateSeries", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayAgg": {"fullname": "sqlglot.expressions.ArrayAgg", "modulename": "sqlglot.expressions", "qualname": "ArrayAgg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.ArrayAll": {"fullname": "sqlglot.expressions.ArrayAll", "modulename": "sqlglot.expressions", "qualname": "ArrayAll", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayAny": {"fullname": "sqlglot.expressions.ArrayAny", "modulename": "sqlglot.expressions", "qualname": "ArrayAny", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayConcat": {"fullname": "sqlglot.expressions.ArrayConcat", "modulename": "sqlglot.expressions", "qualname": "ArrayConcat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayContains": {"fullname": "sqlglot.expressions.ArrayContains", "modulename": "sqlglot.expressions", "qualname": "ArrayContains", "kind": "class", "doc": "

\n", "bases": "Binary, Func"}, "sqlglot.expressions.ArrayContained": {"fullname": "sqlglot.expressions.ArrayContained", "modulename": "sqlglot.expressions", "qualname": "ArrayContained", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.ArrayFilter": {"fullname": "sqlglot.expressions.ArrayFilter", "modulename": "sqlglot.expressions", "qualname": "ArrayFilter", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayJoin": {"fullname": "sqlglot.expressions.ArrayJoin", "modulename": "sqlglot.expressions", "qualname": "ArrayJoin", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArraySize": {"fullname": "sqlglot.expressions.ArraySize", "modulename": "sqlglot.expressions", "qualname": "ArraySize", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArraySort": {"fullname": "sqlglot.expressions.ArraySort", "modulename": "sqlglot.expressions", "qualname": "ArraySort", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArraySum": {"fullname": "sqlglot.expressions.ArraySum", "modulename": "sqlglot.expressions", "qualname": "ArraySum", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayUnionAgg": {"fullname": "sqlglot.expressions.ArrayUnionAgg", "modulename": "sqlglot.expressions", "qualname": "ArrayUnionAgg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Avg": {"fullname": "sqlglot.expressions.Avg", "modulename": "sqlglot.expressions", "qualname": "Avg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.AnyValue": {"fullname": "sqlglot.expressions.AnyValue", "modulename": "sqlglot.expressions", "qualname": "AnyValue", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Case": {"fullname": "sqlglot.expressions.Case", "modulename": "sqlglot.expressions", "qualname": "Case", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Cast": {"fullname": "sqlglot.expressions.Cast", "modulename": "sqlglot.expressions", "qualname": "Cast", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Cast.output_name": {"fullname": "sqlglot.expressions.Cast.output_name", "modulename": "sqlglot.expressions", "qualname": "Cast.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Cast.is_type": {"fullname": "sqlglot.expressions.Cast.is_type", "modulename": "sqlglot.expressions", "qualname": "Cast.is_type", "kind": "function", "doc": "

\n", "signature": "(self, dtype: sqlglot.expressions.DataType.Type) -> bool:", "funcdef": "def"}, "sqlglot.expressions.Collate": {"fullname": "sqlglot.expressions.Collate", "modulename": "sqlglot.expressions", "qualname": "Collate", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.TryCast": {"fullname": "sqlglot.expressions.TryCast", "modulename": "sqlglot.expressions", "qualname": "TryCast", "kind": "class", "doc": "

\n", "bases": "Cast"}, "sqlglot.expressions.Ceil": {"fullname": "sqlglot.expressions.Ceil", "modulename": "sqlglot.expressions", "qualname": "Ceil", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Coalesce": {"fullname": "sqlglot.expressions.Coalesce", "modulename": "sqlglot.expressions", "qualname": "Coalesce", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Concat": {"fullname": "sqlglot.expressions.Concat", "modulename": "sqlglot.expressions", "qualname": "Concat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ConcatWs": {"fullname": "sqlglot.expressions.ConcatWs", "modulename": "sqlglot.expressions", "qualname": "ConcatWs", "kind": "class", "doc": "

\n", "bases": "Concat"}, "sqlglot.expressions.Count": {"fullname": "sqlglot.expressions.Count", "modulename": "sqlglot.expressions", "qualname": "Count", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.CountIf": {"fullname": "sqlglot.expressions.CountIf", "modulename": "sqlglot.expressions", "qualname": "CountIf", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.CurrentDate": {"fullname": "sqlglot.expressions.CurrentDate", "modulename": "sqlglot.expressions", "qualname": "CurrentDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.CurrentDatetime": {"fullname": "sqlglot.expressions.CurrentDatetime", "modulename": "sqlglot.expressions", "qualname": "CurrentDatetime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.CurrentTime": {"fullname": "sqlglot.expressions.CurrentTime", "modulename": "sqlglot.expressions", "qualname": "CurrentTime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.CurrentTimestamp": {"fullname": "sqlglot.expressions.CurrentTimestamp", "modulename": "sqlglot.expressions", "qualname": "CurrentTimestamp", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.CurrentUser": {"fullname": "sqlglot.expressions.CurrentUser", "modulename": "sqlglot.expressions", "qualname": "CurrentUser", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DateAdd": {"fullname": "sqlglot.expressions.DateAdd", "modulename": "sqlglot.expressions", "qualname": "DateAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DateSub": {"fullname": "sqlglot.expressions.DateSub", "modulename": "sqlglot.expressions", "qualname": "DateSub", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DateDiff": {"fullname": "sqlglot.expressions.DateDiff", "modulename": "sqlglot.expressions", "qualname": "DateDiff", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DateTrunc": {"fullname": "sqlglot.expressions.DateTrunc", "modulename": "sqlglot.expressions", "qualname": "DateTrunc", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DatetimeAdd": {"fullname": "sqlglot.expressions.DatetimeAdd", "modulename": "sqlglot.expressions", "qualname": "DatetimeAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DatetimeSub": {"fullname": "sqlglot.expressions.DatetimeSub", "modulename": "sqlglot.expressions", "qualname": "DatetimeSub", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DatetimeDiff": {"fullname": "sqlglot.expressions.DatetimeDiff", "modulename": "sqlglot.expressions", "qualname": "DatetimeDiff", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DatetimeTrunc": {"fullname": "sqlglot.expressions.DatetimeTrunc", "modulename": "sqlglot.expressions", "qualname": "DatetimeTrunc", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DayOfWeek": {"fullname": "sqlglot.expressions.DayOfWeek", "modulename": "sqlglot.expressions", "qualname": "DayOfWeek", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DayOfMonth": {"fullname": "sqlglot.expressions.DayOfMonth", "modulename": "sqlglot.expressions", "qualname": "DayOfMonth", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DayOfYear": {"fullname": "sqlglot.expressions.DayOfYear", "modulename": "sqlglot.expressions", "qualname": "DayOfYear", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.WeekOfYear": {"fullname": "sqlglot.expressions.WeekOfYear", "modulename": "sqlglot.expressions", "qualname": "WeekOfYear", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.LastDateOfMonth": {"fullname": "sqlglot.expressions.LastDateOfMonth", "modulename": "sqlglot.expressions", "qualname": "LastDateOfMonth", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Extract": {"fullname": "sqlglot.expressions.Extract", "modulename": "sqlglot.expressions", "qualname": "Extract", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimestampAdd": {"fullname": "sqlglot.expressions.TimestampAdd", "modulename": "sqlglot.expressions", "qualname": "TimestampAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimestampSub": {"fullname": "sqlglot.expressions.TimestampSub", "modulename": "sqlglot.expressions", "qualname": "TimestampSub", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimestampDiff": {"fullname": "sqlglot.expressions.TimestampDiff", "modulename": "sqlglot.expressions", "qualname": "TimestampDiff", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimestampTrunc": {"fullname": "sqlglot.expressions.TimestampTrunc", "modulename": "sqlglot.expressions", "qualname": "TimestampTrunc", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimeAdd": {"fullname": "sqlglot.expressions.TimeAdd", "modulename": "sqlglot.expressions", "qualname": "TimeAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimeSub": {"fullname": "sqlglot.expressions.TimeSub", "modulename": "sqlglot.expressions", "qualname": "TimeSub", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimeDiff": {"fullname": "sqlglot.expressions.TimeDiff", "modulename": "sqlglot.expressions", "qualname": "TimeDiff", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimeTrunc": {"fullname": "sqlglot.expressions.TimeTrunc", "modulename": "sqlglot.expressions", "qualname": "TimeTrunc", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DateFromParts": {"fullname": "sqlglot.expressions.DateFromParts", "modulename": "sqlglot.expressions", "qualname": "DateFromParts", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DateStrToDate": {"fullname": "sqlglot.expressions.DateStrToDate", "modulename": "sqlglot.expressions", "qualname": "DateStrToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DateToDateStr": {"fullname": "sqlglot.expressions.DateToDateStr", "modulename": "sqlglot.expressions", "qualname": "DateToDateStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DateToDi": {"fullname": "sqlglot.expressions.DateToDi", "modulename": "sqlglot.expressions", "qualname": "DateToDi", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Day": {"fullname": "sqlglot.expressions.Day", "modulename": "sqlglot.expressions", "qualname": "Day", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Decode": {"fullname": "sqlglot.expressions.Decode", "modulename": "sqlglot.expressions", "qualname": "Decode", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DiToDate": {"fullname": "sqlglot.expressions.DiToDate", "modulename": "sqlglot.expressions", "qualname": "DiToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Encode": {"fullname": "sqlglot.expressions.Encode", "modulename": "sqlglot.expressions", "qualname": "Encode", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Exp": {"fullname": "sqlglot.expressions.Exp", "modulename": "sqlglot.expressions", "qualname": "Exp", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Explode": {"fullname": "sqlglot.expressions.Explode", "modulename": "sqlglot.expressions", "qualname": "Explode", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ExponentialTimeDecayedAvg": {"fullname": "sqlglot.expressions.ExponentialTimeDecayedAvg", "modulename": "sqlglot.expressions", "qualname": "ExponentialTimeDecayedAvg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Floor": {"fullname": "sqlglot.expressions.Floor", "modulename": "sqlglot.expressions", "qualname": "Floor", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Greatest": {"fullname": "sqlglot.expressions.Greatest", "modulename": "sqlglot.expressions", "qualname": "Greatest", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.GroupConcat": {"fullname": "sqlglot.expressions.GroupConcat", "modulename": "sqlglot.expressions", "qualname": "GroupConcat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.GroupUniqArray": {"fullname": "sqlglot.expressions.GroupUniqArray", "modulename": "sqlglot.expressions", "qualname": "GroupUniqArray", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Hex": {"fullname": "sqlglot.expressions.Hex", "modulename": "sqlglot.expressions", "qualname": "Hex", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Histogram": {"fullname": "sqlglot.expressions.Histogram", "modulename": "sqlglot.expressions", "qualname": "Histogram", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.If": {"fullname": "sqlglot.expressions.If", "modulename": "sqlglot.expressions", "qualname": "If", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.IfNull": {"fullname": "sqlglot.expressions.IfNull", "modulename": "sqlglot.expressions", "qualname": "IfNull", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Initcap": {"fullname": "sqlglot.expressions.Initcap", "modulename": "sqlglot.expressions", "qualname": "Initcap", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.JSONKeyValue": {"fullname": "sqlglot.expressions.JSONKeyValue", "modulename": "sqlglot.expressions", "qualname": "JSONKeyValue", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.JSONObject": {"fullname": "sqlglot.expressions.JSONObject", "modulename": "sqlglot.expressions", "qualname": "JSONObject", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.JSONBContains": {"fullname": "sqlglot.expressions.JSONBContains", "modulename": "sqlglot.expressions", "qualname": "JSONBContains", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.JSONExtract": {"fullname": "sqlglot.expressions.JSONExtract", "modulename": "sqlglot.expressions", "qualname": "JSONExtract", "kind": "class", "doc": "

\n", "bases": "Binary, Func"}, "sqlglot.expressions.JSONExtractScalar": {"fullname": "sqlglot.expressions.JSONExtractScalar", "modulename": "sqlglot.expressions", "qualname": "JSONExtractScalar", "kind": "class", "doc": "

\n", "bases": "JSONExtract"}, "sqlglot.expressions.JSONBExtract": {"fullname": "sqlglot.expressions.JSONBExtract", "modulename": "sqlglot.expressions", "qualname": "JSONBExtract", "kind": "class", "doc": "

\n", "bases": "JSONExtract"}, "sqlglot.expressions.JSONBExtractScalar": {"fullname": "sqlglot.expressions.JSONBExtractScalar", "modulename": "sqlglot.expressions", "qualname": "JSONBExtractScalar", "kind": "class", "doc": "

\n", "bases": "JSONExtract"}, "sqlglot.expressions.JSONFormat": {"fullname": "sqlglot.expressions.JSONFormat", "modulename": "sqlglot.expressions", "qualname": "JSONFormat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Least": {"fullname": "sqlglot.expressions.Least", "modulename": "sqlglot.expressions", "qualname": "Least", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Length": {"fullname": "sqlglot.expressions.Length", "modulename": "sqlglot.expressions", "qualname": "Length", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Levenshtein": {"fullname": "sqlglot.expressions.Levenshtein", "modulename": "sqlglot.expressions", "qualname": "Levenshtein", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Ln": {"fullname": "sqlglot.expressions.Ln", "modulename": "sqlglot.expressions", "qualname": "Ln", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Log": {"fullname": "sqlglot.expressions.Log", "modulename": "sqlglot.expressions", "qualname": "Log", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Log2": {"fullname": "sqlglot.expressions.Log2", "modulename": "sqlglot.expressions", "qualname": "Log2", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Log10": {"fullname": "sqlglot.expressions.Log10", "modulename": "sqlglot.expressions", "qualname": "Log10", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.LogicalOr": {"fullname": "sqlglot.expressions.LogicalOr", "modulename": "sqlglot.expressions", "qualname": "LogicalOr", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.LogicalAnd": {"fullname": "sqlglot.expressions.LogicalAnd", "modulename": "sqlglot.expressions", "qualname": "LogicalAnd", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Lower": {"fullname": "sqlglot.expressions.Lower", "modulename": "sqlglot.expressions", "qualname": "Lower", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Map": {"fullname": "sqlglot.expressions.Map", "modulename": "sqlglot.expressions", "qualname": "Map", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StarMap": {"fullname": "sqlglot.expressions.StarMap", "modulename": "sqlglot.expressions", "qualname": "StarMap", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.VarMap": {"fullname": "sqlglot.expressions.VarMap", "modulename": "sqlglot.expressions", "qualname": "VarMap", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.MatchAgainst": {"fullname": "sqlglot.expressions.MatchAgainst", "modulename": "sqlglot.expressions", "qualname": "MatchAgainst", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Max": {"fullname": "sqlglot.expressions.Max", "modulename": "sqlglot.expressions", "qualname": "Max", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.MD5": {"fullname": "sqlglot.expressions.MD5", "modulename": "sqlglot.expressions", "qualname": "MD5", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Min": {"fullname": "sqlglot.expressions.Min", "modulename": "sqlglot.expressions", "qualname": "Min", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Month": {"fullname": "sqlglot.expressions.Month", "modulename": "sqlglot.expressions", "qualname": "Month", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Nvl2": {"fullname": "sqlglot.expressions.Nvl2", "modulename": "sqlglot.expressions", "qualname": "Nvl2", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Posexplode": {"fullname": "sqlglot.expressions.Posexplode", "modulename": "sqlglot.expressions", "qualname": "Posexplode", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Pow": {"fullname": "sqlglot.expressions.Pow", "modulename": "sqlglot.expressions", "qualname": "Pow", "kind": "class", "doc": "

\n", "bases": "Binary, Func"}, "sqlglot.expressions.PercentileCont": {"fullname": "sqlglot.expressions.PercentileCont", "modulename": "sqlglot.expressions", "qualname": "PercentileCont", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.PercentileDisc": {"fullname": "sqlglot.expressions.PercentileDisc", "modulename": "sqlglot.expressions", "qualname": "PercentileDisc", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Quantile": {"fullname": "sqlglot.expressions.Quantile", "modulename": "sqlglot.expressions", "qualname": "Quantile", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Quantiles": {"fullname": "sqlglot.expressions.Quantiles", "modulename": "sqlglot.expressions", "qualname": "Quantiles", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.QuantileIf": {"fullname": "sqlglot.expressions.QuantileIf", "modulename": "sqlglot.expressions", "qualname": "QuantileIf", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.ApproxQuantile": {"fullname": "sqlglot.expressions.ApproxQuantile", "modulename": "sqlglot.expressions", "qualname": "ApproxQuantile", "kind": "class", "doc": "

\n", "bases": "Quantile"}, "sqlglot.expressions.RangeN": {"fullname": "sqlglot.expressions.RangeN", "modulename": "sqlglot.expressions", "qualname": "RangeN", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ReadCSV": {"fullname": "sqlglot.expressions.ReadCSV", "modulename": "sqlglot.expressions", "qualname": "ReadCSV", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Reduce": {"fullname": "sqlglot.expressions.Reduce", "modulename": "sqlglot.expressions", "qualname": "Reduce", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RegexpExtract": {"fullname": "sqlglot.expressions.RegexpExtract", "modulename": "sqlglot.expressions", "qualname": "RegexpExtract", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RegexpLike": {"fullname": "sqlglot.expressions.RegexpLike", "modulename": "sqlglot.expressions", "qualname": "RegexpLike", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RegexpILike": {"fullname": "sqlglot.expressions.RegexpILike", "modulename": "sqlglot.expressions", "qualname": "RegexpILike", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RegexpSplit": {"fullname": "sqlglot.expressions.RegexpSplit", "modulename": "sqlglot.expressions", "qualname": "RegexpSplit", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Repeat": {"fullname": "sqlglot.expressions.Repeat", "modulename": "sqlglot.expressions", "qualname": "Repeat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Round": {"fullname": "sqlglot.expressions.Round", "modulename": "sqlglot.expressions", "qualname": "Round", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RowNumber": {"fullname": "sqlglot.expressions.RowNumber", "modulename": "sqlglot.expressions", "qualname": "RowNumber", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.SafeDivide": {"fullname": "sqlglot.expressions.SafeDivide", "modulename": "sqlglot.expressions", "qualname": "SafeDivide", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.SetAgg": {"fullname": "sqlglot.expressions.SetAgg", "modulename": "sqlglot.expressions", "qualname": "SetAgg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.SHA": {"fullname": "sqlglot.expressions.SHA", "modulename": "sqlglot.expressions", "qualname": "SHA", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.SHA2": {"fullname": "sqlglot.expressions.SHA2", "modulename": "sqlglot.expressions", "qualname": "SHA2", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.SortArray": {"fullname": "sqlglot.expressions.SortArray", "modulename": "sqlglot.expressions", "qualname": "SortArray", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Split": {"fullname": "sqlglot.expressions.Split", "modulename": "sqlglot.expressions", "qualname": "Split", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Substring": {"fullname": "sqlglot.expressions.Substring", "modulename": "sqlglot.expressions", "qualname": "Substring", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StrPosition": {"fullname": "sqlglot.expressions.StrPosition", "modulename": "sqlglot.expressions", "qualname": "StrPosition", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StrToDate": {"fullname": "sqlglot.expressions.StrToDate", "modulename": "sqlglot.expressions", "qualname": "StrToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StrToTime": {"fullname": "sqlglot.expressions.StrToTime", "modulename": "sqlglot.expressions", "qualname": "StrToTime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StrToUnix": {"fullname": "sqlglot.expressions.StrToUnix", "modulename": "sqlglot.expressions", "qualname": "StrToUnix", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.NumberToStr": {"fullname": "sqlglot.expressions.NumberToStr", "modulename": "sqlglot.expressions", "qualname": "NumberToStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Struct": {"fullname": "sqlglot.expressions.Struct", "modulename": "sqlglot.expressions", "qualname": "Struct", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StructExtract": {"fullname": "sqlglot.expressions.StructExtract", "modulename": "sqlglot.expressions", "qualname": "StructExtract", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Sum": {"fullname": "sqlglot.expressions.Sum", "modulename": "sqlglot.expressions", "qualname": "Sum", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Sqrt": {"fullname": "sqlglot.expressions.Sqrt", "modulename": "sqlglot.expressions", "qualname": "Sqrt", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Stddev": {"fullname": "sqlglot.expressions.Stddev", "modulename": "sqlglot.expressions", "qualname": "Stddev", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.StddevPop": {"fullname": "sqlglot.expressions.StddevPop", "modulename": "sqlglot.expressions", "qualname": "StddevPop", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.StddevSamp": {"fullname": "sqlglot.expressions.StddevSamp", "modulename": "sqlglot.expressions", "qualname": "StddevSamp", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.TimeToStr": {"fullname": "sqlglot.expressions.TimeToStr", "modulename": "sqlglot.expressions", "qualname": "TimeToStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeToTimeStr": {"fullname": "sqlglot.expressions.TimeToTimeStr", "modulename": "sqlglot.expressions", "qualname": "TimeToTimeStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeToUnix": {"fullname": "sqlglot.expressions.TimeToUnix", "modulename": "sqlglot.expressions", "qualname": "TimeToUnix", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeStrToDate": {"fullname": "sqlglot.expressions.TimeStrToDate", "modulename": "sqlglot.expressions", "qualname": "TimeStrToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeStrToTime": {"fullname": "sqlglot.expressions.TimeStrToTime", "modulename": "sqlglot.expressions", "qualname": "TimeStrToTime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeStrToUnix": {"fullname": "sqlglot.expressions.TimeStrToUnix", "modulename": "sqlglot.expressions", "qualname": "TimeStrToUnix", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Trim": {"fullname": "sqlglot.expressions.Trim", "modulename": "sqlglot.expressions", "qualname": "Trim", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TsOrDsAdd": {"fullname": "sqlglot.expressions.TsOrDsAdd", "modulename": "sqlglot.expressions", "qualname": "TsOrDsAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TsOrDsToDateStr": {"fullname": "sqlglot.expressions.TsOrDsToDateStr", "modulename": "sqlglot.expressions", "qualname": "TsOrDsToDateStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TsOrDsToDate": {"fullname": "sqlglot.expressions.TsOrDsToDate", "modulename": "sqlglot.expressions", "qualname": "TsOrDsToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TsOrDiToDi": {"fullname": "sqlglot.expressions.TsOrDiToDi", "modulename": "sqlglot.expressions", "qualname": "TsOrDiToDi", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Unhex": {"fullname": "sqlglot.expressions.Unhex", "modulename": "sqlglot.expressions", "qualname": "Unhex", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.UnixToStr": {"fullname": "sqlglot.expressions.UnixToStr", "modulename": "sqlglot.expressions", "qualname": "UnixToStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.UnixToTime": {"fullname": "sqlglot.expressions.UnixToTime", "modulename": "sqlglot.expressions", "qualname": "UnixToTime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.UnixToTimeStr": {"fullname": "sqlglot.expressions.UnixToTimeStr", "modulename": "sqlglot.expressions", "qualname": "UnixToTimeStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Upper": {"fullname": "sqlglot.expressions.Upper", "modulename": "sqlglot.expressions", "qualname": "Upper", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Variance": {"fullname": "sqlglot.expressions.Variance", "modulename": "sqlglot.expressions", "qualname": "Variance", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.VariancePop": {"fullname": "sqlglot.expressions.VariancePop", "modulename": "sqlglot.expressions", "qualname": "VariancePop", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Week": {"fullname": "sqlglot.expressions.Week", "modulename": "sqlglot.expressions", "qualname": "Week", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.XMLTable": {"fullname": "sqlglot.expressions.XMLTable", "modulename": "sqlglot.expressions", "qualname": "XMLTable", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Year": {"fullname": "sqlglot.expressions.Year", "modulename": "sqlglot.expressions", "qualname": "Year", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Use": {"fullname": "sqlglot.expressions.Use", "modulename": "sqlglot.expressions", "qualname": "Use", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Merge": {"fullname": "sqlglot.expressions.Merge", "modulename": "sqlglot.expressions", "qualname": "Merge", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.When": {"fullname": "sqlglot.expressions.When", "modulename": "sqlglot.expressions", "qualname": "When", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.maybe_parse": {"fullname": "sqlglot.expressions.maybe_parse", "modulename": "sqlglot.expressions", "qualname": "maybe_parse", "kind": "function", "doc": "

Gracefully handle a possible string or expression.

\n\n
Example:
\n\n
\n
\n
>>> maybe_parse("1")\n(LITERAL this: 1, is_string: False)\n>>> maybe_parse(to_identifier("x"))\n(IDENTIFIER this: x, quoted: False)\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • sql_or_expression: the SQL code string or an expression
    • \n
  • into: the SQLGlot Expression to parse into
    • \n
  • dialect: the dialect used to parse the input expressions (in the case that an\ninput expression is a SQL string).
    • \n
  • prefix: a string to prefix the sql with before it gets parsed\n(automatically includes a space)
    • \n
  • copy: whether or not to copy the expression.
    • \n
  • **opts: other options to use to parse the input expressions (again, in the case\nthat an input expression is a SQL string).
    • \n
\n\n
Returns:
\n\n
\n

Expression: the parsed or given expression.

\n
\n", "signature": "(\tsql_or_expression: Union[str, sqlglot.expressions.Expression],\t*,\tinto: Union[str, Type[sqlglot.expressions.Expression], Collection[Union[str, Type[sqlglot.expressions.Expression]]], NoneType] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tprefix: Optional[str] = None,\tcopy: bool = False,\t**opts) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.expressions.union": {"fullname": "sqlglot.expressions.union", "modulename": "sqlglot.expressions", "qualname": "union", "kind": "function", "doc": "

Initializes a syntax tree from one UNION expression.

\n\n
Example:
\n\n
\n
\n
>>> union("SELECT * FROM foo", "SELECT * FROM bla").sql()\n'SELECT * FROM foo UNION SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • left (str | Expression): the SQL code string corresponding to the left-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • right (str | Expression): the SQL code string corresponding to the right-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Union: the syntax tree for the UNION expression.

\n
\n", "signature": "(left, right, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.intersect": {"fullname": "sqlglot.expressions.intersect", "modulename": "sqlglot.expressions", "qualname": "intersect", "kind": "function", "doc": "

Initializes a syntax tree from one INTERSECT expression.

\n\n
Example:
\n\n
\n
\n
>>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql()\n'SELECT * FROM foo INTERSECT SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • left (str | Expression): the SQL code string corresponding to the left-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • right (str | Expression): the SQL code string corresponding to the right-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Intersect: the syntax tree for the INTERSECT expression.

\n
\n", "signature": "(left, right, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.except_": {"fullname": "sqlglot.expressions.except_", "modulename": "sqlglot.expressions", "qualname": "except_", "kind": "function", "doc": "

Initializes a syntax tree from one EXCEPT expression.

\n\n
Example:
\n\n
\n
\n
>>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql()\n'SELECT * FROM foo EXCEPT SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • left (str | Expression): the SQL code string corresponding to the left-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • right (str | Expression): the SQL code string corresponding to the right-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Except: the syntax tree for the EXCEPT statement.

\n
\n", "signature": "(left, right, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.select": {"fullname": "sqlglot.expressions.select", "modulename": "sqlglot.expressions", "qualname": "select", "kind": "function", "doc": "

Initializes a syntax tree from one or multiple SELECT expressions.

\n\n
Example:
\n\n
\n
\n
>>> select("col1", "col2").from_("tbl").sql()\n'SELECT col1, col2 FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions: the SQL code string to parse as the expressions of a\nSELECT statement. If an Expression instance is passed, this is used as-is.
    • \n
  • dialect: the dialect used to parse the input expressions (in the case that an\ninput expression is a SQL string).
    • \n
  • **opts: other options to use to parse the input expressions (again, in the case\nthat an input expression is a SQL string).
    • \n
\n\n
Returns:
\n\n
\n

Select: the syntax tree for the SELECT statement.

\n
\n", "signature": "(\t*expressions: Union[str, sqlglot.expressions.Expression],\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.from_": {"fullname": "sqlglot.expressions.from_", "modulename": "sqlglot.expressions", "qualname": "from_", "kind": "function", "doc": "

Initializes a syntax tree from a FROM expression.

\n\n
Example:
\n\n
\n
\n
>>> from_("tbl").select("col1", "col2").sql()\n'SELECT col1, col2 FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a\nSELECT statement. If an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression (in the case that the\ninput expression is a SQL string).
    • \n
  • **opts: other options to use to parse the input expressions (again, in the case\nthat the input expression is a SQL string).
    • \n
\n\n
Returns:
\n\n
\n

Select: the syntax tree for the SELECT statement.

\n
\n", "signature": "(*expressions, dialect=None, **opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.update": {"fullname": "sqlglot.expressions.update", "modulename": "sqlglot.expressions", "qualname": "update", "kind": "function", "doc": "

Creates an update statement.

\n\n
Example:
\n\n
\n
\n
>>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql()\n"UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *properties: dictionary of properties to set which are\nauto converted to sql objects eg None -> NULL
    • \n
  • where: sql conditional parsed into a WHERE statement
    • \n
  • from_: sql statement parsed into a FROM statement
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Update: the syntax tree for the UPDATE statement.

\n
\n", "signature": "(\ttable: str | sqlglot.expressions.Table,\tproperties: dict,\twhere: Union[str, sqlglot.expressions.Expression, NoneType] = None,\tfrom_: Union[str, sqlglot.expressions.Expression, NoneType] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> sqlglot.expressions.Update:", "funcdef": "def"}, "sqlglot.expressions.delete": {"fullname": "sqlglot.expressions.delete", "modulename": "sqlglot.expressions", "qualname": "delete", "kind": "function", "doc": "

Builds a delete statement.

\n\n
Example:
\n\n
\n
\n
>>> delete("my_table", where="id > 1").sql()\n'DELETE FROM my_table WHERE id > 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • where: sql conditional parsed into a WHERE statement
    • \n
  • returning: sql conditional parsed into a RETURNING statement
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Delete: the syntax tree for the DELETE statement.

\n
\n", "signature": "(\ttable: Union[str, sqlglot.expressions.Expression],\twhere: Union[str, sqlglot.expressions.Expression, NoneType] = None,\treturning: Union[str, sqlglot.expressions.Expression, NoneType] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> sqlglot.expressions.Delete:", "funcdef": "def"}, "sqlglot.expressions.condition": {"fullname": "sqlglot.expressions.condition", "modulename": "sqlglot.expressions", "qualname": "condition", "kind": "function", "doc": "

Initialize a logical condition expression.

\n\n
Example:
\n\n
\n
\n
>>> condition("x=1").sql()\n'x = 1'\n
\n
\n \n

This is helpful for composing larger logical syntax trees:

\n \n
\n
>>> where = condition("x=1")\n>>> where = where.and_("y=1")\n>>> Select().from_("tbl").select("*").where(where).sql()\n'SELECT * FROM tbl WHERE x = 1 AND y = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expression (str | Expression): the SQL code string to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression (in the case that the\ninput expression is a SQL string).
    • \n
  • **opts: other options to use to parse the input expressions (again, in the case\nthat the input expression is a SQL string).
    • \n
\n\n
Returns:
\n\n
\n

Condition: the expression

\n
\n", "signature": "(expression, dialect=None, **opts) -> sqlglot.expressions.Condition:", "funcdef": "def"}, "sqlglot.expressions.and_": {"fullname": "sqlglot.expressions.and_", "modulename": "sqlglot.expressions", "qualname": "and_", "kind": "function", "doc": "

Combine multiple conditions with an AND logical operator.

\n\n
Example:
\n\n
\n
\n
>>> and_("x=1", and_("y=1", "z=1")).sql()\n'x = 1 AND (y = 1 AND z = 1)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

And: the new condition

\n
\n", "signature": "(*expressions, dialect=None, **opts) -> sqlglot.expressions.And:", "funcdef": "def"}, "sqlglot.expressions.or_": {"fullname": "sqlglot.expressions.or_", "modulename": "sqlglot.expressions", "qualname": "or_", "kind": "function", "doc": "

Combine multiple conditions with an OR logical operator.

\n\n
Example:
\n\n
\n
\n
>>> or_("x=1", or_("y=1", "z=1")).sql()\n'x = 1 OR (y = 1 OR z = 1)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Or: the new condition

\n
\n", "signature": "(*expressions, dialect=None, **opts) -> sqlglot.expressions.Or:", "funcdef": "def"}, "sqlglot.expressions.not_": {"fullname": "sqlglot.expressions.not_", "modulename": "sqlglot.expressions", "qualname": "not_", "kind": "function", "doc": "

Wrap a condition with a NOT operator.

\n\n
Example:
\n\n
\n
\n
>>> not_("this_suit='black'").sql()\n"NOT this_suit = 'black'"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Not: the new condition

\n
\n", "signature": "(expression, dialect=None, **opts) -> sqlglot.expressions.Not:", "funcdef": "def"}, "sqlglot.expressions.paren": {"fullname": "sqlglot.expressions.paren", "modulename": "sqlglot.expressions", "qualname": "paren", "kind": "function", "doc": "

\n", "signature": "(expression) -> sqlglot.expressions.Paren:", "funcdef": "def"}, "sqlglot.expressions.to_identifier": {"fullname": "sqlglot.expressions.to_identifier", "modulename": "sqlglot.expressions", "qualname": "to_identifier", "kind": "function", "doc": "

Builds an identifier.

\n\n
Arguments:
\n\n
    \n
  • name: The name to turn into an identifier.
    • \n
  • quoted: Whether or not force quote the identifier.
    • \n
\n\n
Returns:
\n\n
\n

The identifier ast node.

\n
\n", "signature": "(name, quoted=None):", "funcdef": "def"}, "sqlglot.expressions.to_interval": {"fullname": "sqlglot.expressions.to_interval", "modulename": "sqlglot.expressions", "qualname": "to_interval", "kind": "function", "doc": "

Builds an interval expression from a string like '1 day' or '5 months'.

\n", "signature": "(\tinterval: str | sqlglot.expressions.Literal) -> sqlglot.expressions.Interval:", "funcdef": "def"}, "sqlglot.expressions.to_table": {"fullname": "sqlglot.expressions.to_table", "modulename": "sqlglot.expressions", "qualname": "to_table", "kind": "function", "doc": "

Create a table expression from a [catalog].[schema].[table] sql path. Catalog and schema are optional.\nIf a table is passed in then that table is returned.

\n\n
Arguments:
\n\n
    \n
  • sql_path: a [catalog].[schema].[table] string.
    • \n
\n\n
Returns:
\n\n
\n

A table expression.

\n
\n", "signature": "(\tsql_path: Union[str, sqlglot.expressions.Table, NoneType],\t**kwargs) -> Optional[sqlglot.expressions.Table]:", "funcdef": "def"}, "sqlglot.expressions.to_column": {"fullname": "sqlglot.expressions.to_column", "modulename": "sqlglot.expressions", "qualname": "to_column", "kind": "function", "doc": "

Create a column from a [table].[column] sql path. Schema is optional.

\n\n

If a column is passed in then that column is returned.

\n\n
Arguments:
\n\n
    \n
  • sql_path: [table].[column] string
    • \n
\n\n
Returns:
\n\n
\n

Table: A column expression

\n
\n", "signature": "(\tsql_path: str | sqlglot.expressions.Column,\t**kwargs) -> sqlglot.expressions.Column:", "funcdef": "def"}, "sqlglot.expressions.alias_": {"fullname": "sqlglot.expressions.alias_", "modulename": "sqlglot.expressions", "qualname": "alias_", "kind": "function", "doc": "

Create an Alias expression.

\n\n
Example:
\n\n
\n
\n
>>> alias_('foo', 'bar').sql()\n'foo AS bar'\n
\n
\n \n
\n
>>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql()\n'(SELECT 1, 2) AS bar(a, b)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • alias: the alias name to use. If the name has\nspecial characters it is quoted.
    • \n
  • table: Whether or not to create a table alias, can also be a list of columns.
    • \n
  • quoted: whether or not to quote the alias
    • \n
  • dialect: the dialect used to parse the input expression.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Alias: the aliased expression

\n
\n", "signature": "(\texpression: Union[str, sqlglot.expressions.Expression],\talias: str | sqlglot.expressions.Identifier,\ttable: Union[bool, Sequence[str | sqlglot.expressions.Identifier]] = False,\tquoted: Optional[bool] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts):", "funcdef": "def"}, "sqlglot.expressions.subquery": {"fullname": "sqlglot.expressions.subquery", "modulename": "sqlglot.expressions", "qualname": "subquery", "kind": "function", "doc": "

Build a subquery expression.

\n\n
Example:
\n\n
\n
\n
>>> subquery('select x from tbl', 'bar').select('x').sql()\n'SELECT x FROM (SELECT x FROM tbl) AS bar'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • alias (str | Expression): the alias name to use.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: a new select with the subquery expression included

\n
\n", "signature": "(expression, alias=None, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.column": {"fullname": "sqlglot.expressions.column", "modulename": "sqlglot.expressions", "qualname": "column", "kind": "function", "doc": "

Build a Column.

\n\n
Arguments:
\n\n
    \n
  • col: column name
    • \n
  • table: table name
    • \n
  • db: db name
    • \n
  • catalog: catalog name
    • \n
  • quoted: whether or not to force quote each part
    • \n
\n\n
Returns:
\n\n
\n

Column: column instance

\n
\n", "signature": "(\tcol: str | sqlglot.expressions.Identifier,\ttable: Union[str, sqlglot.expressions.Identifier, NoneType] = None,\tdb: Union[str, sqlglot.expressions.Identifier, NoneType] = None,\tcatalog: Union[str, sqlglot.expressions.Identifier, NoneType] = None,\tquoted: Optional[bool] = None) -> sqlglot.expressions.Column:", "funcdef": "def"}, "sqlglot.expressions.cast": {"fullname": "sqlglot.expressions.cast", "modulename": "sqlglot.expressions", "qualname": "cast", "kind": "function", "doc": "

Cast an expression to a data type.

\n\n
Example:
\n\n
\n
\n
>>> cast('x + 1', 'int').sql()\n'CAST(x + 1 AS INT)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: The expression to cast.
    • \n
  • to: The datatype to cast to.
    • \n
\n\n
Returns:
\n\n
\n

A cast node.

\n
\n", "signature": "(\texpression: Union[str, sqlglot.expressions.Expression],\tto: str | sqlglot.expressions.DataType | sqlglot.expressions.DataType.Type,\t**opts) -> sqlglot.expressions.Cast:", "funcdef": "def"}, "sqlglot.expressions.table_": {"fullname": "sqlglot.expressions.table_", "modulename": "sqlglot.expressions", "qualname": "table_", "kind": "function", "doc": "

Build a Table.

\n\n
Arguments:
\n\n
    \n
  • table (str | Expression): column name
    • \n
  • db (str | Expression): db name
    • \n
  • catalog (str | Expression): catalog name
    • \n
\n\n
Returns:
\n\n
\n

Table: table instance

\n
\n", "signature": "(\ttable,\tdb=None,\tcatalog=None,\tquoted=None,\talias=None) -> sqlglot.expressions.Table:", "funcdef": "def"}, "sqlglot.expressions.values": {"fullname": "sqlglot.expressions.values", "modulename": "sqlglot.expressions", "qualname": "values", "kind": "function", "doc": "

Build VALUES statement.

\n\n
Example:
\n\n
\n
\n
>>> values([(1, '2')]).sql()\n"VALUES (1, '2')"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • values: values statements that will be converted to SQL
    • \n
  • alias: optional alias
    • \n
  • columns: Optional list of ordered column names or ordered dictionary of column names to types.\nIf either are provided then an alias is also required.\nIf a dictionary is provided then the first column of the values will be casted to the expected type\nin order to help with type inference.
    • \n
\n\n
Returns:
\n\n
\n

Values: the Values expression object

\n
\n", "signature": "(\tvalues: Iterable[Tuple[Any, ...]],\talias: Optional[str] = None,\tcolumns: Union[Iterable[str], Dict[str, sqlglot.expressions.DataType], NoneType] = None) -> sqlglot.expressions.Values:", "funcdef": "def"}, "sqlglot.expressions.var": {"fullname": "sqlglot.expressions.var", "modulename": "sqlglot.expressions", "qualname": "var", "kind": "function", "doc": "

Build a SQL variable.

\n\n
Example:
\n\n
\n
\n
>>> repr(var('x'))\n'(VAR this: x)'\n
\n
\n \n
\n
>>> repr(var(column('x', table='y')))\n'(VAR this: x)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • name: The name of the var or an expression who's name will become the var.
    • \n
\n\n
Returns:
\n\n
\n

The new variable node.

\n
\n", "signature": "(\tname: Union[str, sqlglot.expressions.Expression, NoneType]) -> sqlglot.expressions.Var:", "funcdef": "def"}, "sqlglot.expressions.rename_table": {"fullname": "sqlglot.expressions.rename_table", "modulename": "sqlglot.expressions", "qualname": "rename_table", "kind": "function", "doc": "

Build ALTER TABLE... RENAME... expression

\n\n
Arguments:
\n\n
    \n
  • old_name: The old name of the table
    • \n
  • new_name: The new name of the table
    • \n
\n\n
Returns:
\n\n
\n

Alter table expression

\n
\n", "signature": "(\told_name: str | sqlglot.expressions.Table,\tnew_name: str | sqlglot.expressions.Table) -> sqlglot.expressions.AlterTable:", "funcdef": "def"}, "sqlglot.expressions.convert": {"fullname": "sqlglot.expressions.convert", "modulename": "sqlglot.expressions", "qualname": "convert", "kind": "function", "doc": "

Convert a python value into an expression object.

\n\n

Raises an error if a conversion is not possible.

\n\n
Arguments:
\n\n
    \n
  • value (Any): a python object
    • \n
\n\n
Returns:
\n\n
\n

Expression: the equivalent expression object

\n
\n", "signature": "(value) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.expressions.replace_children": {"fullname": "sqlglot.expressions.replace_children", "modulename": "sqlglot.expressions", "qualname": "replace_children", "kind": "function", "doc": "

Replace children of an expression with the result of a lambda fun(child) -> exp.

\n", "signature": "(expression, fun, *args, **kwargs):", "funcdef": "def"}, "sqlglot.expressions.column_table_names": {"fullname": "sqlglot.expressions.column_table_names", "modulename": "sqlglot.expressions", "qualname": "column_table_names", "kind": "function", "doc": "

Return all table names referenced through columns in an expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e"))\n['c', 'a']\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to find table names
    • \n
\n\n
Returns:
\n\n
\n

list: A list of unique names

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.expressions.table_name": {"fullname": "sqlglot.expressions.table_name", "modulename": "sqlglot.expressions", "qualname": "table_name", "kind": "function", "doc": "

Get the full name of a table as a string.

\n\n
Arguments:
\n\n
    \n
  • table (exp.Table | str): table expression node or string.
    • \n
\n\n
Examples:
\n\n
\n
\n
>>> from sqlglot import exp, parse_one\n>>> table_name(parse_one("select * from a.b.c").find(exp.Table))\n'a.b.c'\n
\n
\n
\n\n
Returns:
\n\n
\n

The table name.

\n
\n", "signature": "(table) -> str:", "funcdef": "def"}, "sqlglot.expressions.replace_tables": {"fullname": "sqlglot.expressions.replace_tables", "modulename": "sqlglot.expressions", "qualname": "replace_tables", "kind": "function", "doc": "

Replace all tables in expression according to the mapping.

\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression node to be transformed and replaced.
    • \n
  • mapping (Dict[str, str]): mapping of table names.
    • \n
\n\n
Examples:
\n\n
\n
\n
>>> from sqlglot import exp, parse_one\n>>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql()\n'SELECT * FROM c'\n
\n
\n
\n\n
Returns:
\n\n
\n

The mapped expression.

\n
\n", "signature": "(expression, mapping):", "funcdef": "def"}, "sqlglot.expressions.replace_placeholders": {"fullname": "sqlglot.expressions.replace_placeholders", "modulename": "sqlglot.expressions", "qualname": "replace_placeholders", "kind": "function", "doc": "

Replace placeholders in an expression.

\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression node to be transformed and replaced.
    • \n
  • args: positional names that will substitute unnamed placeholders in the given order.
    • \n
  • kwargs: keyword arguments that will substitute named placeholders.
    • \n
\n\n
Examples:
\n\n
\n
\n
>>> from sqlglot import exp, parse_one\n>>> replace_placeholders(\n...     parse_one("select * from :tbl where ? = ?"),\n...     exp.to_identifier("str_col"), "b", tbl=exp.to_identifier("foo")\n... ).sql()\n"SELECT * FROM foo WHERE str_col = 'b'"\n
\n
\n
\n\n
Returns:
\n\n
\n

The mapped expression.

\n
\n", "signature": "(expression, *args, **kwargs):", "funcdef": "def"}, "sqlglot.expressions.expand": {"fullname": "sqlglot.expressions.expand", "modulename": "sqlglot.expressions", "qualname": "expand", "kind": "function", "doc": "

Transforms an expression by expanding all referenced sources into subqueries.

\n\n
Examples:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql()\n'SELECT * FROM (SELECT * FROM y) AS z /* source: x */'\n
\n
\n \n
\n
>>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y"), "y": parse_one("select * from z")}).sql()\n'SELECT * FROM (SELECT * FROM (SELECT * FROM z) AS y /* source: y */) AS z /* source: x */'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: The expression to expand.
    • \n
  • sources: A dictionary of name to Subqueryables.
    • \n
  • copy: Whether or not to copy the expression during transformation. Defaults to True.
    • \n
\n\n
Returns:
\n\n
\n

The transformed expression.

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression,\tsources: Dict[str, sqlglot.expressions.Subqueryable],\tcopy: bool = True) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.expressions.func": {"fullname": "sqlglot.expressions.func", "modulename": "sqlglot.expressions", "qualname": "func", "kind": "function", "doc": "

Returns a Func expression.

\n\n
Examples:
\n\n
\n
\n
>>> func("abs", 5).sql()\n'ABS(5)'\n
\n
\n \n
\n
>>> func("cast", this=5, to=DataType.build("DOUBLE")).sql()\n'CAST(5 AS DOUBLE)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • name: the name of the function to build.
    • \n
  • args: the args used to instantiate the function of interest.
    • \n
  • dialect: the source dialect.
    • \n
  • kwargs: the kwargs used to instantiate the function of interest.
    • \n
\n\n
Note:
\n\n
\n

The arguments args and kwargs are mutually exclusive.

\n
\n\n
Returns:
\n\n
\n

An instance of the function of interest, or an anonymous function, if name doesn't\n correspond to an existing sqlglot.expressions.Func class.

\n
\n", "signature": "(\tname: str,\t*args,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**kwargs) -> sqlglot.expressions.Func:", "funcdef": "def"}, "sqlglot.expressions.true": {"fullname": "sqlglot.expressions.true", "modulename": "sqlglot.expressions", "qualname": "true", "kind": "function", "doc": "

Returns a true Boolean expression.

\n", "signature": "():", "funcdef": "def"}, "sqlglot.expressions.false": {"fullname": "sqlglot.expressions.false", "modulename": "sqlglot.expressions", "qualname": "false", "kind": "function", "doc": "

Returns a false Boolean expression.

\n", "signature": "():", "funcdef": "def"}, "sqlglot.expressions.null": {"fullname": "sqlglot.expressions.null", "modulename": "sqlglot.expressions", "qualname": "null", "kind": "function", "doc": "

Returns a Null expression.

\n", "signature": "():", "funcdef": "def"}, "sqlglot.generator": {"fullname": "sqlglot.generator", "modulename": "sqlglot.generator", "kind": "module", "doc": "

\n"}, "sqlglot.generator.Generator": {"fullname": "sqlglot.generator.Generator", "modulename": "sqlglot.generator", "qualname": "Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n"}, "sqlglot.generator.Generator.__init__": {"fullname": "sqlglot.generator.Generator.__init__", "modulename": "sqlglot.generator", "qualname": "Generator.__init__", "kind": "function", "doc": "

\n", "signature": "(\ttime_mapping=None,\ttime_trie=None,\tpretty=None,\tquote_start=None,\tquote_end=None,\tidentifier_start=None,\tidentifier_end=None,\tidentify=False,\tnormalize=False,\tstring_escape=None,\tidentifier_escape=None,\tpad=2,\tindent=2,\tindex_offset=0,\tunnest_column_only=False,\talias_post_tablesample=False,\tnormalize_functions='upper',\tunsupported_level=<ErrorLevel.WARN: 'WARN'>,\tnull_ordering=None,\tmax_unsupported=3,\tleading_comma=False,\tmax_text_width=80,\tcomments=True)"}, "sqlglot.generator.Generator.generate": {"fullname": "sqlglot.generator.Generator.generate", "modulename": "sqlglot.generator", "qualname": "Generator.generate", "kind": "function", "doc": "

Generates a SQL string by interpreting the given syntax tree.

\n\n

Args\n expression: the syntax tree.\n cache: an optional sql string cache. this leverages the hash of an expression which is slow, so only use this if you set _hash on each node.

\n\n

Returns\n the SQL string.

\n", "signature": "(\tself,\texpression: Optional[sqlglot.expressions.Expression],\tcache: Optional[Dict[int, str]] = None) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.unsupported": {"fullname": "sqlglot.generator.Generator.unsupported", "modulename": "sqlglot.generator", "qualname": "Generator.unsupported", "kind": "function", "doc": "

\n", "signature": "(self, message: str) -> None:", "funcdef": "def"}, "sqlglot.generator.Generator.sep": {"fullname": "sqlglot.generator.Generator.sep", "modulename": "sqlglot.generator", "qualname": "Generator.sep", "kind": "function", "doc": "

\n", "signature": "(self, sep: str = ' ') -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.seg": {"fullname": "sqlglot.generator.Generator.seg", "modulename": "sqlglot.generator", "qualname": "Generator.seg", "kind": "function", "doc": "

\n", "signature": "(self, sql: str, sep: str = ' ') -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.pad_comment": {"fullname": "sqlglot.generator.Generator.pad_comment", "modulename": "sqlglot.generator", "qualname": "Generator.pad_comment", "kind": "function", "doc": "

\n", "signature": "(self, comment: str) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.maybe_comment": {"fullname": "sqlglot.generator.Generator.maybe_comment", "modulename": "sqlglot.generator", "qualname": "Generator.maybe_comment", "kind": "function", "doc": "

\n", "signature": "(\tself,\tsql: str,\texpression: Optional[sqlglot.expressions.Expression] = None,\tcomments: Optional[List[str]] = None) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.wrap": {"fullname": "sqlglot.generator.Generator.wrap", "modulename": "sqlglot.generator", "qualname": "Generator.wrap", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Expression | str) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.no_identify": {"fullname": "sqlglot.generator.Generator.no_identify", "modulename": "sqlglot.generator", "qualname": "Generator.no_identify", "kind": "function", "doc": "

\n", "signature": "(self, func: Callable[..., str], *args, **kwargs) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.normalize_func": {"fullname": "sqlglot.generator.Generator.normalize_func", "modulename": "sqlglot.generator", "qualname": "Generator.normalize_func", "kind": "function", "doc": "

\n", "signature": "(self, name: str) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.indent": {"fullname": "sqlglot.generator.Generator.indent", "modulename": "sqlglot.generator", "qualname": "Generator.indent", "kind": "function", "doc": "

\n", "signature": "(\tself,\tsql: str,\tlevel: int = 0,\tpad: Optional[int] = None,\tskip_first: bool = False,\tskip_last: bool = False) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.sql": {"fullname": "sqlglot.generator.Generator.sql", "modulename": "sqlglot.generator", "qualname": "Generator.sql", "kind": "function", "doc": "

\n", "signature": "(\tself,\texpression: Union[str, sqlglot.expressions.Expression, NoneType],\tkey: Optional[str] = None,\tcomment: bool = True) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.uncache_sql": {"fullname": "sqlglot.generator.Generator.uncache_sql", "modulename": "sqlglot.generator", "qualname": "Generator.uncache_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Uncache) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.cache_sql": {"fullname": "sqlglot.generator.Generator.cache_sql", "modulename": "sqlglot.generator", "qualname": "Generator.cache_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Cache) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.characterset_sql": {"fullname": "sqlglot.generator.Generator.characterset_sql", "modulename": "sqlglot.generator", "qualname": "Generator.characterset_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.CharacterSet) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.column_sql": {"fullname": "sqlglot.generator.Generator.column_sql", "modulename": "sqlglot.generator", "qualname": "Generator.column_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Column) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.columnposition_sql": {"fullname": "sqlglot.generator.Generator.columnposition_sql", "modulename": "sqlglot.generator", "qualname": "Generator.columnposition_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ColumnPosition) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.columndef_sql": {"fullname": "sqlglot.generator.Generator.columndef_sql", "modulename": "sqlglot.generator", "qualname": "Generator.columndef_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ColumnDef) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.columnconstraint_sql": {"fullname": "sqlglot.generator.Generator.columnconstraint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.columnconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ColumnConstraint) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.autoincrementcolumnconstraint_sql": {"fullname": "sqlglot.generator.Generator.autoincrementcolumnconstraint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.autoincrementcolumnconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(self, _) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.compresscolumnconstraint_sql": {"fullname": "sqlglot.generator.Generator.compresscolumnconstraint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.compresscolumnconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.CompressColumnConstraint) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.generatedasidentitycolumnconstraint_sql": {"fullname": "sqlglot.generator.Generator.generatedasidentitycolumnconstraint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.generatedasidentitycolumnconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(\tself,\texpression: sqlglot.expressions.GeneratedAsIdentityColumnConstraint) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.notnullcolumnconstraint_sql": {"fullname": "sqlglot.generator.Generator.notnullcolumnconstraint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.notnullcolumnconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.NotNullColumnConstraint) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.primarykeycolumnconstraint_sql": {"fullname": "sqlglot.generator.Generator.primarykeycolumnconstraint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.primarykeycolumnconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.PrimaryKeyColumnConstraint) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.uniquecolumnconstraint_sql": {"fullname": "sqlglot.generator.Generator.uniquecolumnconstraint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.uniquecolumnconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(self, _) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.create_sql": {"fullname": "sqlglot.generator.Generator.create_sql", "modulename": "sqlglot.generator", "qualname": "Generator.create_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Create) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.describe_sql": {"fullname": "sqlglot.generator.Generator.describe_sql", "modulename": "sqlglot.generator", "qualname": "Generator.describe_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Describe) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.prepend_ctes": {"fullname": "sqlglot.generator.Generator.prepend_ctes", "modulename": "sqlglot.generator", "qualname": "Generator.prepend_ctes", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Expression, sql: str) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.with_sql": {"fullname": "sqlglot.generator.Generator.with_sql", "modulename": "sqlglot.generator", "qualname": "Generator.with_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.With) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.cte_sql": {"fullname": "sqlglot.generator.Generator.cte_sql", "modulename": "sqlglot.generator", "qualname": "Generator.cte_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.CTE) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.tablealias_sql": {"fullname": "sqlglot.generator.Generator.tablealias_sql", "modulename": "sqlglot.generator", "qualname": "Generator.tablealias_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.TableAlias) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.bitstring_sql": {"fullname": "sqlglot.generator.Generator.bitstring_sql", "modulename": "sqlglot.generator", "qualname": "Generator.bitstring_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.BitString) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.hexstring_sql": {"fullname": "sqlglot.generator.Generator.hexstring_sql", "modulename": "sqlglot.generator", "qualname": "Generator.hexstring_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.HexString) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.bytestring_sql": {"fullname": "sqlglot.generator.Generator.bytestring_sql", "modulename": "sqlglot.generator", "qualname": "Generator.bytestring_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ByteString) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.datatype_sql": {"fullname": "sqlglot.generator.Generator.datatype_sql", "modulename": "sqlglot.generator", "qualname": "Generator.datatype_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DataType) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.directory_sql": {"fullname": "sqlglot.generator.Generator.directory_sql", "modulename": "sqlglot.generator", "qualname": "Generator.directory_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Directory) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.delete_sql": {"fullname": "sqlglot.generator.Generator.delete_sql", "modulename": "sqlglot.generator", "qualname": "Generator.delete_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Delete) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.drop_sql": {"fullname": "sqlglot.generator.Generator.drop_sql", "modulename": "sqlglot.generator", "qualname": "Generator.drop_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Drop) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.except_sql": {"fullname": "sqlglot.generator.Generator.except_sql", "modulename": "sqlglot.generator", "qualname": "Generator.except_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Except) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.except_op": {"fullname": "sqlglot.generator.Generator.except_op", "modulename": "sqlglot.generator", "qualname": "Generator.except_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Except) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.fetch_sql": {"fullname": "sqlglot.generator.Generator.fetch_sql", "modulename": "sqlglot.generator", "qualname": "Generator.fetch_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Fetch) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.filter_sql": {"fullname": "sqlglot.generator.Generator.filter_sql", "modulename": "sqlglot.generator", "qualname": "Generator.filter_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Filter) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.hint_sql": {"fullname": "sqlglot.generator.Generator.hint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.hint_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Hint) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.index_sql": {"fullname": "sqlglot.generator.Generator.index_sql", "modulename": "sqlglot.generator", "qualname": "Generator.index_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Index) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.identifier_sql": {"fullname": "sqlglot.generator.Generator.identifier_sql", "modulename": "sqlglot.generator", "qualname": "Generator.identifier_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Identifier) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.inputoutputformat_sql": {"fullname": "sqlglot.generator.Generator.inputoutputformat_sql", "modulename": "sqlglot.generator", "qualname": "Generator.inputoutputformat_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.InputOutputFormat) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.national_sql": {"fullname": "sqlglot.generator.Generator.national_sql", "modulename": "sqlglot.generator", "qualname": "Generator.national_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.National) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.partition_sql": {"fullname": "sqlglot.generator.Generator.partition_sql", "modulename": "sqlglot.generator", "qualname": "Generator.partition_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Partition) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.properties_sql": {"fullname": "sqlglot.generator.Generator.properties_sql", "modulename": "sqlglot.generator", "qualname": "Generator.properties_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Properties) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.root_properties": {"fullname": "sqlglot.generator.Generator.root_properties", "modulename": "sqlglot.generator", "qualname": "Generator.root_properties", "kind": "function", "doc": "

\n", "signature": "(self, properties: sqlglot.expressions.Properties) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.properties": {"fullname": "sqlglot.generator.Generator.properties", "modulename": "sqlglot.generator", "qualname": "Generator.properties", "kind": "function", "doc": "

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\n", "signature": "(self, args: Iterable) -> int:", "funcdef": "def"}, "sqlglot.generator.Generator.format_time": {"fullname": "sqlglot.generator.Generator.format_time", "modulename": "sqlglot.generator", "qualname": "Generator.format_time", "kind": "function", "doc": "

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\n", "signature": "(\tself,\texpression: Optional[sqlglot.expressions.Expression] = None,\tkey: Optional[str] = None,\tsqls: Optional[List[str]] = None,\tflat: bool = False,\tindent: bool = True,\tsep: str = ', ',\tprefix: str = '') -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.op_expressions": {"fullname": "sqlglot.generator.Generator.op_expressions", "modulename": "sqlglot.generator", "qualname": "Generator.op_expressions", "kind": "function", "doc": "

\n", "signature": "(\tself,\top: str,\texpression: sqlglot.expressions.Expression,\tflat: bool = False) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.naked_property": {"fullname": "sqlglot.generator.Generator.naked_property", "modulename": "sqlglot.generator", "qualname": "Generator.naked_property", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Property) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.set_operation": {"fullname": "sqlglot.generator.Generator.set_operation", "modulename": "sqlglot.generator", "qualname": "Generator.set_operation", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Expression, op: str) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.tag_sql": {"fullname": "sqlglot.generator.Generator.tag_sql", "modulename": "sqlglot.generator", "qualname": "Generator.tag_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Tag) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.token_sql": {"fullname": "sqlglot.generator.Generator.token_sql", "modulename": "sqlglot.generator", "qualname": "Generator.token_sql", "kind": "function", "doc": "

\n", "signature": "(self, token_type: sqlglot.tokens.TokenType) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.userdefinedfunction_sql": {"fullname": "sqlglot.generator.Generator.userdefinedfunction_sql", "modulename": "sqlglot.generator", "qualname": "Generator.userdefinedfunction_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.UserDefinedFunction) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.joinhint_sql": {"fullname": "sqlglot.generator.Generator.joinhint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.joinhint_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.JoinHint) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.kwarg_sql": {"fullname": "sqlglot.generator.Generator.kwarg_sql", "modulename": "sqlglot.generator", "qualname": "Generator.kwarg_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Kwarg) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.when_sql": {"fullname": "sqlglot.generator.Generator.when_sql", "modulename": "sqlglot.generator", "qualname": "Generator.when_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.When) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.merge_sql": {"fullname": "sqlglot.generator.Generator.merge_sql", "modulename": "sqlglot.generator", "qualname": "Generator.merge_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Merge) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.tochar_sql": {"fullname": "sqlglot.generator.Generator.tochar_sql", "modulename": "sqlglot.generator", "qualname": "Generator.tochar_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ToChar) -> str:", "funcdef": "def"}, "sqlglot.helper": {"fullname": "sqlglot.helper", "modulename": "sqlglot.helper", "kind": "module", "doc": "

\n"}, "sqlglot.helper.AutoName": {"fullname": "sqlglot.helper.AutoName", "modulename": "sqlglot.helper", "qualname": "AutoName", "kind": "class", "doc": "

This is used for creating enum classes where auto() is the string form of the corresponding value's name.

\n", "bases": "enum.Enum"}, "sqlglot.helper.seq_get": {"fullname": "sqlglot.helper.seq_get", "modulename": "sqlglot.helper", "qualname": "seq_get", "kind": "function", "doc": "

Returns the value in seq at position index, or None if index is out of bounds.

\n", "signature": "(seq: Sequence[~T], index: int) -> Optional[~T]:", "funcdef": "def"}, "sqlglot.helper.ensure_list": {"fullname": "sqlglot.helper.ensure_list", "modulename": "sqlglot.helper", "qualname": "ensure_list", "kind": "function", "doc": "

Ensures that a value is a list, otherwise casts or wraps it into one.

\n\n
Arguments:
\n\n
    \n
  • value: the value of interest.
    • \n
\n\n
Returns:
\n\n
\n

The value cast as a list if it's a list or a tuple, or else the value wrapped in a list.

\n
\n", "signature": "(value):", "funcdef": "def"}, "sqlglot.helper.ensure_collection": {"fullname": "sqlglot.helper.ensure_collection", "modulename": "sqlglot.helper", "qualname": "ensure_collection", "kind": "function", "doc": "

Ensures that a value is a collection (excluding str and bytes), otherwise wraps it into a list.

\n\n
Arguments:
\n\n
    \n
  • value: the value of interest.
    • \n
\n\n
Returns:
\n\n
\n

The value if it's a collection, or else the value wrapped in a list.

\n
\n", "signature": "(value):", "funcdef": "def"}, "sqlglot.helper.csv": {"fullname": "sqlglot.helper.csv", "modulename": "sqlglot.helper", "qualname": "csv", "kind": "function", "doc": "

Formats any number of string arguments as CSV.

\n\n
Arguments:
\n\n
    \n
  • args: the string arguments to format.
    • \n
  • sep: the argument separator.
    • \n
\n\n
Returns:
\n\n
\n

The arguments formatted as a CSV string.

\n
\n", "signature": "(*args, sep: str = ', ') -> str:", "funcdef": "def"}, "sqlglot.helper.subclasses": {"fullname": "sqlglot.helper.subclasses", "modulename": "sqlglot.helper", "qualname": "subclasses", "kind": "function", "doc": "

Returns all subclasses for a collection of classes, possibly excluding some of them.

\n\n
Arguments:
\n\n
    \n
  • module_name: the name of the module to search for subclasses in.
    • \n
  • classes: class(es) we want to find the subclasses of.
    • \n
  • exclude: class(es) we want to exclude from the returned list.
    • \n
\n\n
Returns:
\n\n
\n

The target subclasses.

\n
\n", "signature": "(\tmodule_name: str,\tclasses: Union[Type, Tuple[Type, ...]],\texclude: Union[Type, Tuple[Type, ...]] = ()) -> List[Type]:", "funcdef": "def"}, "sqlglot.helper.apply_index_offset": {"fullname": "sqlglot.helper.apply_index_offset", "modulename": "sqlglot.helper", "qualname": "apply_index_offset", "kind": "function", "doc": "

Applies an offset to a given integer literal expression.

\n\n
Arguments:
\n\n
    \n
  • this: the target of the index
    • \n
  • expressions: the expression the offset will be applied to, wrapped in a list.
    • \n
  • offset: the offset that will be applied.
    • \n
\n\n
Returns:
\n\n
\n

The original expression with the offset applied to it, wrapped in a list. If the provided\n expressions argument contains more than one expressions, it's returned unaffected.

\n
\n", "signature": "(\tthis: sqlglot.expressions.Expression,\texpressions: List[Optional[~E]],\toffset: int) -> List[Optional[~E]]:", "funcdef": "def"}, "sqlglot.helper.camel_to_snake_case": {"fullname": "sqlglot.helper.camel_to_snake_case", "modulename": "sqlglot.helper", "qualname": "camel_to_snake_case", "kind": "function", "doc": "

Converts name from camelCase to snake_case and returns the result.

\n", "signature": "(name: str) -> str:", "funcdef": "def"}, "sqlglot.helper.while_changing": {"fullname": "sqlglot.helper.while_changing", "modulename": "sqlglot.helper", "qualname": "while_changing", "kind": "function", "doc": "

Applies a transformation to a given expression until a fix point is reached.

\n\n
Arguments:
\n\n
    \n
  • expression: the expression to be transformed.
    • \n
  • func: the transformation to be applied.
    • \n
\n\n
Returns:
\n\n
\n

The transformed expression.

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression,\tfunc: Callable[[sqlglot.expressions.Expression], ~E]) -> ~E:", "funcdef": "def"}, "sqlglot.helper.tsort": {"fullname": "sqlglot.helper.tsort", "modulename": "sqlglot.helper", "qualname": "tsort", "kind": "function", "doc": "

Sorts a given directed acyclic graph in topological order.

\n\n
Arguments:
\n\n
    \n
  • dag: the graph to be sorted.
    • \n
\n\n
Returns:
\n\n
\n

A list that contains all of the graph's nodes in topological order.

\n
\n", "signature": "(dag: Dict[~T, List[~T]]) -> List[~T]:", "funcdef": "def"}, "sqlglot.helper.open_file": {"fullname": "sqlglot.helper.open_file", "modulename": "sqlglot.helper", "qualname": "open_file", "kind": "function", "doc": "

Open a file that may be compressed as gzip and return it in universal newline mode.

\n", "signature": "(file_name: str) -> <class 'TextIO'>:", "funcdef": "def"}, "sqlglot.helper.csv_reader": {"fullname": "sqlglot.helper.csv_reader", "modulename": "sqlglot.helper", "qualname": "csv_reader", "kind": "function", "doc": "

Returns a csv reader given the expression READ_CSV(name, ['delimiter', '|', ...]).

\n\n
Arguments:
\n\n
    \n
  • read_csv: a ReadCSV function call
    • \n
\n\n
Yields:
\n\n
\n

A python csv reader.

\n
\n", "signature": "(read_csv: sqlglot.expressions.ReadCSV) -> Any:", "funcdef": "def"}, "sqlglot.helper.find_new_name": {"fullname": "sqlglot.helper.find_new_name", "modulename": "sqlglot.helper", "qualname": "find_new_name", "kind": "function", "doc": "

Searches for a new name.

\n\n
Arguments:
\n\n
    \n
  • taken: a collection of taken names.
    • \n
  • base: base name to alter.
    • \n
\n\n
Returns:
\n\n
\n

The new, available name.

\n
\n", "signature": "(taken: Collection[str], base: str) -> str:", "funcdef": "def"}, "sqlglot.helper.object_to_dict": {"fullname": "sqlglot.helper.object_to_dict", "modulename": "sqlglot.helper", "qualname": "object_to_dict", "kind": "function", "doc": "

Returns a dictionary created from an object's attributes.

\n", "signature": "(obj: Any, **kwargs) -> Dict:", "funcdef": "def"}, "sqlglot.helper.split_num_words": {"fullname": "sqlglot.helper.split_num_words", "modulename": "sqlglot.helper", "qualname": "split_num_words", "kind": "function", "doc": "

Perform a split on a value and return N words as a result with None used for words that don't exist.

\n\n
Arguments:
\n\n
    \n
  • value: the value to be split.
    • \n
  • sep: the value to use to split on.
    • \n
  • min_num_words: the minimum number of words that are going to be in the result.
    • \n
  • fill_from_start: indicates that if None values should be inserted at the start or end of the list.
    • \n
\n\n
Examples:
\n\n
\n
\n
>>> split_num_words("db.table", ".", 3)\n[None, 'db', 'table']\n>>> split_num_words("db.table", ".", 3, fill_from_start=False)\n['db', 'table', None]\n>>> split_num_words("db.table", ".", 1)\n['db', 'table']\n
\n
\n
\n\n
Returns:
\n\n
\n

The list of words returned by split, possibly augmented by a number of None values.

\n
\n", "signature": "(\tvalue: str,\tsep: str,\tmin_num_words: int,\tfill_from_start: bool = True) -> List[Optional[str]]:", "funcdef": "def"}, "sqlglot.helper.is_iterable": {"fullname": "sqlglot.helper.is_iterable", "modulename": "sqlglot.helper", "qualname": "is_iterable", "kind": "function", "doc": "

Checks if the value is an iterable, excluding the types str and bytes.

\n\n
Examples:
\n\n
\n
\n
>>> is_iterable([1,2])\nTrue\n>>> is_iterable("test")\nFalse\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • value: the value to check if it is an iterable.
    • \n
\n\n
Returns:
\n\n
\n

A bool value indicating if it is an iterable.

\n
\n", "signature": "(value: Any) -> bool:", "funcdef": "def"}, "sqlglot.helper.flatten": {"fullname": "sqlglot.helper.flatten", "modulename": "sqlglot.helper", "qualname": "flatten", "kind": "function", "doc": "

Flattens an iterable that can contain both iterable and non-iterable elements. Objects of\ntype str and bytes are not regarded as iterables.

\n\n
Examples:
\n\n
\n
\n
>>> list(flatten([[1, 2], 3, {4}, (5, "bla")]))\n[1, 2, 3, 4, 5, 'bla']\n>>> list(flatten([1, 2, 3]))\n[1, 2, 3]\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • values: the value to be flattened.
    • \n
\n\n
Yields:
\n\n
\n

Non-iterable elements in values.

\n
\n", "signature": "(values: Iterable[Union[Iterable[Any], Any]]) -> Iterator[Any]:", "funcdef": "def"}, "sqlglot.helper.count_params": {"fullname": "sqlglot.helper.count_params", "modulename": "sqlglot.helper", "qualname": "count_params", "kind": "function", "doc": "

Returns the number of formal parameters expected by a function, without counting \"self\"\nand \"cls\", in case of instance and class methods, respectively.

\n", "signature": "(function: Callable) -> int:", "funcdef": "def"}, "sqlglot.helper.dict_depth": {"fullname": "sqlglot.helper.dict_depth", "modulename": "sqlglot.helper", "qualname": "dict_depth", "kind": "function", "doc": "

Get the nesting depth of a dictionary.

\n\n
For example:
\n\n
\n
\n
>>> dict_depth(None)\n0\n>>> dict_depth({})\n1\n>>> dict_depth({"a": "b"})\n1\n>>> dict_depth({"a": {}})\n2\n>>> dict_depth({"a": {"b": {}}})\n3\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • d (dict): dictionary
    • \n
\n\n
Returns:
\n\n
\n

int: depth

\n
\n", "signature": "(d: Dict) -> int:", "funcdef": "def"}, "sqlglot.helper.first": {"fullname": "sqlglot.helper.first", "modulename": "sqlglot.helper", "qualname": "first", "kind": "function", "doc": "

Returns the first element from an iterable.

\n\n

Useful for sets.

\n", "signature": "(it: Iterable[~T]) -> ~T:", "funcdef": "def"}, "sqlglot.helper.should_identify": {"fullname": "sqlglot.helper.should_identify", "modulename": "sqlglot.helper", "qualname": "should_identify", "kind": "function", "doc": "

Checks if text should be identified given an identify option.

\n\n
Arguments:
\n\n
    \n
  • text: the text to check.
    • \n
  • identify: \"always\" | True - always returns true, \"safe\" - true if no upper case
    • \n
\n\n
Returns:
\n\n
\n

Whether or not a string should be identified.

\n
\n", "signature": "(text: str, identify: str | bool) -> bool:", "funcdef": "def"}, "sqlglot.lineage": {"fullname": "sqlglot.lineage", "modulename": "sqlglot.lineage", "kind": "module", "doc": "

\n"}, "sqlglot.lineage.Node": {"fullname": "sqlglot.lineage.Node", "modulename": "sqlglot.lineage", "qualname": "Node", "kind": "class", "doc": "

\n"}, "sqlglot.lineage.Node.__init__": {"fullname": "sqlglot.lineage.Node.__init__", "modulename": "sqlglot.lineage", "qualname": "Node.__init__", "kind": "function", "doc": "

\n", "signature": "(\tname: str,\texpression: sqlglot.expressions.Expression,\tsource: sqlglot.expressions.Expression,\tdownstream: List[sqlglot.lineage.Node] = <factory>,\talias: str = '')"}, "sqlglot.lineage.Node.walk": {"fullname": "sqlglot.lineage.Node.walk", "modulename": "sqlglot.lineage", "qualname": "Node.walk", "kind": "function", "doc": "

\n", "signature": "(self) -> Iterator[sqlglot.lineage.Node]:", "funcdef": "def"}, "sqlglot.lineage.Node.to_html": {"fullname": "sqlglot.lineage.Node.to_html", "modulename": "sqlglot.lineage", "qualname": "Node.to_html", "kind": "function", "doc": "

\n", "signature": "(self, **opts) -> sqlglot.lineage.LineageHTML:", "funcdef": "def"}, "sqlglot.lineage.lineage": {"fullname": "sqlglot.lineage.lineage", "modulename": "sqlglot.lineage", "qualname": "lineage", "kind": "function", "doc": "

Build the lineage graph for a column of a SQL query.

\n\n
Arguments:
\n\n
    \n
  • column: The column to build the lineage for.
    • \n
  • sql: The SQL string or expression.
    • \n
  • schema: The schema of tables.
    • \n
  • sources: A mapping of queries which will be used to continue building lineage.
    • \n
  • rules: Optimizer rules to apply, by default only qualifying tables and columns.
    • \n
  • dialect: The dialect of input SQL.
    • \n
\n\n
Returns:
\n\n
\n

A lineage node.

\n
\n", "signature": "(\tcolumn: str | sqlglot.expressions.Column,\tsql: str | sqlglot.expressions.Expression,\tschema: Union[Dict, sqlglot.schema.Schema, NoneType] = None,\tsources: Optional[Dict[str, str | sqlglot.expressions.Subqueryable]] = None,\trules: Sequence[Callable] = (<function qualify_tables at 0x7fac3cdc5630>, <function qualify_columns at 0x7fac3cdc4550>, <function expand_laterals at 0x7fac3cd8eb90>),\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None) -> sqlglot.lineage.Node:", "funcdef": "def"}, "sqlglot.lineage.LineageHTML": {"fullname": "sqlglot.lineage.LineageHTML", "modulename": "sqlglot.lineage", "qualname": "LineageHTML", "kind": "class", "doc": "

Node to HTML generator using vis.js.

\n\n

https://visjs.github.io/vis-network/docs/network/

\n"}, "sqlglot.lineage.LineageHTML.__init__": {"fullname": "sqlglot.lineage.LineageHTML.__init__", "modulename": "sqlglot.lineage", "qualname": "LineageHTML.__init__", "kind": "function", "doc": "

\n", "signature": "(\tnode: sqlglot.lineage.Node,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\timports: bool = True,\t**opts: Any)"}, "sqlglot.optimizer": {"fullname": "sqlglot.optimizer", "modulename": "sqlglot.optimizer", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.annotate_types": {"fullname": "sqlglot.optimizer.annotate_types", "modulename": "sqlglot.optimizer.annotate_types", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.annotate_types.annotate_types": {"fullname": "sqlglot.optimizer.annotate_types.annotate_types", "modulename": "sqlglot.optimizer.annotate_types", "qualname": "annotate_types", "kind": "function", "doc": "

Recursively infer & annotate types in an expression syntax tree against a schema.\nAssumes that we've already executed the optimizer's qualify_columns step.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> schema = {"y": {"cola": "SMALLINT"}}\n>>> sql = "SELECT x.cola + 2.5 AS cola FROM (SELECT y.cola AS cola FROM y AS y) AS x"\n>>> annotated_expr = annotate_types(sqlglot.parse_one(sql), schema=schema)\n>>> annotated_expr.expressions[0].type.this  # Get the type of "x.cola + 2.5 AS cola"\n<Type.DOUBLE: 'DOUBLE'>\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): Expression to annotate.
    • \n
  • schema (dict|sqlglot.optimizer.Schema): Database schema.
    • \n
  • annotators (dict): Maps expression type to corresponding annotation function.
    • \n
  • coerces_to (dict): Maps expression type to set of types that it can be coerced into.
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: expression annotated with types

\n
\n", "signature": "(expression, schema=None, annotators=None, coerces_to=None):", "funcdef": "def"}, "sqlglot.optimizer.annotate_types.TypeAnnotator": {"fullname": "sqlglot.optimizer.annotate_types.TypeAnnotator", "modulename": "sqlglot.optimizer.annotate_types", "qualname": "TypeAnnotator", "kind": "class", "doc": "

\n"}, "sqlglot.optimizer.annotate_types.TypeAnnotator.__init__": {"fullname": "sqlglot.optimizer.annotate_types.TypeAnnotator.__init__", "modulename": "sqlglot.optimizer.annotate_types", "qualname": "TypeAnnotator.__init__", "kind": "function", "doc": "

\n", "signature": "(schema=None, annotators=None, coerces_to=None)"}, "sqlglot.optimizer.annotate_types.TypeAnnotator.annotate": {"fullname": "sqlglot.optimizer.annotate_types.TypeAnnotator.annotate", "modulename": "sqlglot.optimizer.annotate_types", "qualname": "TypeAnnotator.annotate", "kind": "function", "doc": "

\n", "signature": "(self, expression):", "funcdef": "def"}, "sqlglot.optimizer.canonicalize": {"fullname": "sqlglot.optimizer.canonicalize", "modulename": "sqlglot.optimizer.canonicalize", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.canonicalize.canonicalize": {"fullname": "sqlglot.optimizer.canonicalize.canonicalize", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "canonicalize", "kind": "function", "doc": "

Converts a sql expression into a standard form.

\n\n

This method relies on annotate_types because many of the\nconversions rely on type inference.

\n\n
Arguments:
\n\n
    \n
  • expression: The expression to canonicalize.
    • \n
  • identify: Whether or not to force identify identifier.
    • \n
\n", "signature": "(\texpression: sqlglot.expressions.Expression,\tidentify: str = 'safe') -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.canonicalize.add_text_to_concat": {"fullname": "sqlglot.optimizer.canonicalize.add_text_to_concat", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "add_text_to_concat", "kind": "function", "doc": "

\n", "signature": "(node: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.canonicalize.coerce_type": {"fullname": "sqlglot.optimizer.canonicalize.coerce_type", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "coerce_type", "kind": "function", "doc": "

\n", "signature": "(node: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.canonicalize.remove_redundant_casts": {"fullname": "sqlglot.optimizer.canonicalize.remove_redundant_casts", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "remove_redundant_casts", "kind": "function", "doc": "

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.canonicalize.ensure_bool_predicates": {"fullname": "sqlglot.optimizer.canonicalize.ensure_bool_predicates", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "ensure_bool_predicates", "kind": "function", "doc": "

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.eliminate_ctes": {"fullname": "sqlglot.optimizer.eliminate_ctes", "modulename": "sqlglot.optimizer.eliminate_ctes", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.eliminate_ctes.eliminate_ctes": {"fullname": "sqlglot.optimizer.eliminate_ctes.eliminate_ctes", "modulename": "sqlglot.optimizer.eliminate_ctes", "qualname": "eliminate_ctes", "kind": "function", "doc": "

Remove unused CTEs from an expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "WITH y AS (SELECT a FROM x) SELECT a FROM z"\n>>> expression = sqlglot.parse_one(sql)\n>>> eliminate_ctes(expression).sql()\n'SELECT a FROM z'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.eliminate_joins": {"fullname": "sqlglot.optimizer.eliminate_joins", "modulename": "sqlglot.optimizer.eliminate_joins", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.eliminate_joins.eliminate_joins": {"fullname": "sqlglot.optimizer.eliminate_joins.eliminate_joins", "modulename": "sqlglot.optimizer.eliminate_joins", "qualname": "eliminate_joins", "kind": "function", "doc": "

Remove unused joins from an expression.

\n\n

This only removes joins when we know that the join condition doesn't produce duplicate rows.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "SELECT x.a FROM x LEFT JOIN (SELECT DISTINCT y.b FROM y) AS y ON x.b = y.b"\n>>> expression = sqlglot.parse_one(sql)\n>>> eliminate_joins(expression).sql()\n'SELECT x.a FROM x'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.eliminate_joins.join_condition": {"fullname": "sqlglot.optimizer.eliminate_joins.join_condition", "modulename": "sqlglot.optimizer.eliminate_joins", "qualname": "join_condition", "kind": "function", "doc": "

Extract the join condition from a join expression.

\n\n
Arguments:
\n\n
    \n
  • join (exp.Join)
    • \n
\n\n
Returns:
\n\n
\n

tuple[list[str], list[str], exp.Expression]:\n Tuple of (source key, join key, remaining predicate)

\n
\n", "signature": "(join):", "funcdef": "def"}, "sqlglot.optimizer.eliminate_subqueries": {"fullname": "sqlglot.optimizer.eliminate_subqueries", "modulename": "sqlglot.optimizer.eliminate_subqueries", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.eliminate_subqueries.eliminate_subqueries": {"fullname": "sqlglot.optimizer.eliminate_subqueries.eliminate_subqueries", "modulename": "sqlglot.optimizer.eliminate_subqueries", "qualname": "eliminate_subqueries", "kind": "function", "doc": "

Rewrite derived tables as CTES, deduplicating if possible.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT a FROM (SELECT * FROM x) AS y")\n>>> eliminate_subqueries(expression).sql()\n'WITH y AS (SELECT * FROM x) SELECT a FROM y AS y'\n
\n
\n
\n\n
This also deduplicates common subqueries:
\n\n
\n
\n
>>> expression = sqlglot.parse_one("SELECT a FROM (SELECT * FROM x) AS y JOIN (SELECT * FROM x) AS z")\n>>> eliminate_subqueries(expression).sql()\n'WITH y AS (SELECT * FROM x) SELECT a FROM y AS y JOIN y AS z'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.expand_laterals": {"fullname": "sqlglot.optimizer.expand_laterals", "modulename": "sqlglot.optimizer.expand_laterals", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.expand_laterals.expand_laterals": {"fullname": "sqlglot.optimizer.expand_laterals.expand_laterals", "modulename": "sqlglot.optimizer.expand_laterals", "qualname": "expand_laterals", "kind": "function", "doc": "

Expand lateral column alias references.

\n\n

This assumes qualify_columns as already run.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "SELECT x.a + 1 AS b, b + 1 AS c FROM x"\n>>> expression = sqlglot.parse_one(sql)\n>>> expand_laterals(expression).sql()\n'SELECT x.a + 1 AS b, x.a + 1 + 1 AS c FROM x'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: expression to optimize
    • \n
\n\n
Returns:
\n\n
\n

optimized expression

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.expand_multi_table_selects": {"fullname": "sqlglot.optimizer.expand_multi_table_selects", "modulename": "sqlglot.optimizer.expand_multi_table_selects", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.expand_multi_table_selects.expand_multi_table_selects": {"fullname": "sqlglot.optimizer.expand_multi_table_selects.expand_multi_table_selects", "modulename": "sqlglot.optimizer.expand_multi_table_selects", "qualname": "expand_multi_table_selects", "kind": "function", "doc": "

Replace multiple FROM expressions with JOINs.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> expand_multi_table_selects(parse_one("SELECT * FROM x, y")).sql()\n'SELECT * FROM x CROSS JOIN y'\n
\n
\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.isolate_table_selects": {"fullname": "sqlglot.optimizer.isolate_table_selects", "modulename": "sqlglot.optimizer.isolate_table_selects", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.isolate_table_selects.isolate_table_selects": {"fullname": "sqlglot.optimizer.isolate_table_selects.isolate_table_selects", "modulename": "sqlglot.optimizer.isolate_table_selects", "qualname": "isolate_table_selects", "kind": "function", "doc": "

\n", "signature": "(expression, schema=None):", "funcdef": "def"}, "sqlglot.optimizer.lower_identities": {"fullname": "sqlglot.optimizer.lower_identities", "modulename": "sqlglot.optimizer.lower_identities", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.lower_identities.lower_identities": {"fullname": "sqlglot.optimizer.lower_identities.lower_identities", "modulename": "sqlglot.optimizer.lower_identities", "qualname": "lower_identities", "kind": "function", "doc": "

Convert all unquoted identifiers to lower case.

\n\n

Assuming the schema is all lower case, this essentially makes identifiers case-insensitive.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one('SELECT Bar.A AS A FROM "Foo".Bar')\n>>> lower_identities(expression).sql()\n'SELECT bar.a AS A FROM "Foo".bar'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to quote
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: quoted expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.merge_subqueries": {"fullname": "sqlglot.optimizer.merge_subqueries", "modulename": "sqlglot.optimizer.merge_subqueries", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.merge_subqueries.merge_subqueries": {"fullname": "sqlglot.optimizer.merge_subqueries.merge_subqueries", "modulename": "sqlglot.optimizer.merge_subqueries", "qualname": "merge_subqueries", "kind": "function", "doc": "

Rewrite sqlglot AST to merge derived tables into the outer query.

\n\n

This also merges CTEs if they are selected from only once.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT a FROM (SELECT x.a FROM x) JOIN y")\n>>> merge_subqueries(expression).sql()\n'SELECT x.a FROM x JOIN y'\n
\n
\n
\n\n

If leave_tables_isolated is True, this will not merge inner queries into outer\nqueries if it would result in multiple table selects in a single query:

\n\n
\n
\n
\n

expression = sqlglot.parse_one(\"SELECT a FROM (SELECT x.a FROM x) JOIN y\")\n merge_subqueries(expression, leave_tables_isolated=True).sql()\n 'SELECT a FROM (SELECT x.a FROM x) JOIN y'

\n
\n
\n
\n\n

Inspired by https://dev.mysql.com/doc/refman/8.0/en/derived-table-optimization.html

\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
  • leave_tables_isolated (bool):
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression, leave_tables_isolated=False):", "funcdef": "def"}, "sqlglot.optimizer.merge_subqueries.merge_ctes": {"fullname": "sqlglot.optimizer.merge_subqueries.merge_ctes", "modulename": "sqlglot.optimizer.merge_subqueries", "qualname": "merge_ctes", "kind": "function", "doc": "

\n", "signature": "(expression, leave_tables_isolated=False):", "funcdef": "def"}, "sqlglot.optimizer.merge_subqueries.merge_derived_tables": {"fullname": "sqlglot.optimizer.merge_subqueries.merge_derived_tables", "modulename": "sqlglot.optimizer.merge_subqueries", "qualname": "merge_derived_tables", "kind": "function", "doc": "

\n", "signature": "(expression, leave_tables_isolated=False):", "funcdef": "def"}, "sqlglot.optimizer.normalize": {"fullname": "sqlglot.optimizer.normalize", "modulename": "sqlglot.optimizer.normalize", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.normalize.normalize": {"fullname": "sqlglot.optimizer.normalize.normalize", "modulename": "sqlglot.optimizer.normalize", "qualname": "normalize", "kind": "function", "doc": "

Rewrite sqlglot AST into conjunctive normal form or disjunctive normal form.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("(x AND y) OR z")\n>>> normalize(expression, dnf=False).sql()\n'(x OR z) AND (y OR z)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: expression to normalize
    • \n
  • dnf: rewrite in disjunctive normal form instead.
    • \n
  • max_distance (int): the maximal estimated distance from cnf/dnf to attempt conversion
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: normalized expression

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression,\tdnf: bool = False,\tmax_distance: int = 128):", "funcdef": "def"}, "sqlglot.optimizer.normalize.normalized": {"fullname": "sqlglot.optimizer.normalize.normalized", "modulename": "sqlglot.optimizer.normalize", "qualname": "normalized", "kind": "function", "doc": "

\n", "signature": "(expression, dnf=False):", "funcdef": "def"}, "sqlglot.optimizer.normalize.normalization_distance": {"fullname": "sqlglot.optimizer.normalize.normalization_distance", "modulename": "sqlglot.optimizer.normalize", "qualname": "normalization_distance", "kind": "function", "doc": "

The difference in the number of predicates between the current expression and the normalized form.

\n\n

This is used as an estimate of the cost of the conversion which is exponential in complexity.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("(a AND b) OR (c AND d)")\n>>> normalization_distance(expression)\n4\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to compute distance
    • \n
  • dnf (bool): compute to dnf distance instead
    • \n
\n\n
Returns:
\n\n
\n

int: difference

\n
\n", "signature": "(expression, dnf=False):", "funcdef": "def"}, "sqlglot.optimizer.normalize.distributive_law": {"fullname": "sqlglot.optimizer.normalize.distributive_law", "modulename": "sqlglot.optimizer.normalize", "qualname": "distributive_law", "kind": "function", "doc": "

x OR (y AND z) -> (x OR y) AND (x OR z)\n(x AND y) OR (y AND z) -> (x OR y) AND (x OR z) AND (y OR y) AND (y OR z)

\n", "signature": "(expression, dnf, max_distance, cache=None):", "funcdef": "def"}, "sqlglot.optimizer.optimize_joins": {"fullname": "sqlglot.optimizer.optimize_joins", "modulename": "sqlglot.optimizer.optimize_joins", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.optimize_joins.optimize_joins": {"fullname": "sqlglot.optimizer.optimize_joins.optimize_joins", "modulename": "sqlglot.optimizer.optimize_joins", "qualname": "optimize_joins", "kind": "function", "doc": "

Removes cross joins if possible and reorder joins based on predicate dependencies.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> optimize_joins(parse_one("SELECT * FROM x CROSS JOIN y JOIN z ON x.a = z.a AND y.a = z.a")).sql()\n'SELECT * FROM x JOIN z ON x.a = z.a AND TRUE JOIN y ON y.a = z.a'\n
\n
\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.optimize_joins.reorder_joins": {"fullname": "sqlglot.optimizer.optimize_joins.reorder_joins", "modulename": "sqlglot.optimizer.optimize_joins", "qualname": "reorder_joins", "kind": "function", "doc": "

Reorder joins by topological sort order based on predicate references.

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.optimize_joins.normalize": {"fullname": "sqlglot.optimizer.optimize_joins.normalize", "modulename": "sqlglot.optimizer.optimize_joins", "qualname": "normalize", "kind": "function", "doc": "

Remove INNER and OUTER from joins as they are optional.

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.optimize_joins.other_table_names": {"fullname": "sqlglot.optimizer.optimize_joins.other_table_names", "modulename": "sqlglot.optimizer.optimize_joins", "qualname": "other_table_names", "kind": "function", "doc": "

\n", "signature": "(join, exclude):", "funcdef": "def"}, "sqlglot.optimizer.optimizer": {"fullname": "sqlglot.optimizer.optimizer", "modulename": "sqlglot.optimizer.optimizer", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.optimizer.optimize": {"fullname": "sqlglot.optimizer.optimizer.optimize", "modulename": "sqlglot.optimizer.optimizer", "qualname": "optimize", "kind": "function", "doc": "

Rewrite a sqlglot AST into an optimized form.

\n\n
Arguments:
\n\n
    \n
  • expression: expression to optimize
    • \n
  • schema: database schema.\nThis can either be an instance of sqlglot.optimizer.Schema or a mapping in one of\nthe following forms:\n 1. {table: {col: type}}\n 2. {db: {table: {col: type}}}\n 3. {catalog: {db: {table: {col: type}}}}\nIf no schema is provided then the default schema defined at sqlgot.schema will be used
    • \n
  • db: specify the default database, as might be set by a USE DATABASE db statement
    • \n
  • catalog: specify the default catalog, as might be set by a USE CATALOG c statement
    • \n
  • dialect: The dialect to parse the sql string.
    • \n
  • rules: sequence of optimizer rules to use.\nMany of the rules require tables and columns to be qualified.\nDo not remove qualify_tables or qualify_columns from the sequence of rules unless you know\nwhat you're doing!
    • \n
  • *kwargs: If a rule has a keyword argument with a same name in *kwargs, it will be passed in.
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(\texpression: str | sqlglot.expressions.Expression,\tschema: Union[dict, sqlglot.schema.Schema, NoneType] = None,\tdb: Optional[str] = None,\tcatalog: Optional[str] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\trules: Sequence[Callable] = (<function lower_identities at 0x7fac3cd8eef0>, <function qualify_tables at 0x7fac3cdc5630>, <function isolate_table_selects at 0x7fac3cd8edd0>, <function qualify_columns at 0x7fac3cdc4550>, <function expand_laterals at 0x7fac3cd8eb90>, <function pushdown_projections at 0x7fac3cdc5000>, <function validate_qualify_columns at 0x7fac3cdc45e0>, <function normalize at 0x7fac3cd8c9d0>, <function unnest_subqueries at 0x7fac3cdc5750>, <function expand_multi_table_selects at 0x7fac3cd8ed40>, <function pushdown_predicates at 0x7fac3cdc40d0>, <function optimize_joins at 0x7fac3cd8fc70>, <function eliminate_subqueries at 0x7fac3cd8e7a0>, <function merge_subqueries at 0x7fac3cd8f1c0>, <function eliminate_joins at 0x7fac3cd8c8b0>, <function eliminate_ctes at 0x7fac3cd8c790>, <function annotate_types at 0x7fac3cd5cdc0>, <function canonicalize at 0x7fac3cd8c1f0>, <function simplify at 0x7fac3cd8caf0>),\t**kwargs):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates": {"fullname": "sqlglot.optimizer.pushdown_predicates", "modulename": "sqlglot.optimizer.pushdown_predicates", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.pushdown_predicates.pushdown_predicates": {"fullname": "sqlglot.optimizer.pushdown_predicates.pushdown_predicates", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "pushdown_predicates", "kind": "function", "doc": "

Rewrite sqlglot AST to pushdown predicates in FROMS and JOINS

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "SELECT * FROM (SELECT * FROM x AS x) AS y WHERE y.a = 1"\n>>> expression = sqlglot.parse_one(sql)\n>>> pushdown_predicates(expression).sql()\n'SELECT * FROM (SELECT * FROM x AS x WHERE y.a = 1) AS y WHERE TRUE'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.pushdown": {"fullname": "sqlglot.optimizer.pushdown_predicates.pushdown", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "pushdown", "kind": "function", "doc": "

\n", "signature": "(condition, sources, scope_ref_count):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.pushdown_cnf": {"fullname": "sqlglot.optimizer.pushdown_predicates.pushdown_cnf", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "pushdown_cnf", "kind": "function", "doc": "

If the predicates are in CNF like form, we can simply replace each block in the parent.

\n", "signature": "(predicates, scope, scope_ref_count):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.pushdown_dnf": {"fullname": "sqlglot.optimizer.pushdown_predicates.pushdown_dnf", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "pushdown_dnf", "kind": "function", "doc": "

If the predicates are in DNF form, we can only push down conditions that are in all blocks.\nAdditionally, we can't remove predicates from their original form.

\n", "signature": "(predicates, scope, scope_ref_count):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.nodes_for_predicate": {"fullname": "sqlglot.optimizer.pushdown_predicates.nodes_for_predicate", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "nodes_for_predicate", "kind": "function", "doc": "

\n", "signature": "(predicate, sources, scope_ref_count):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.replace_aliases": {"fullname": "sqlglot.optimizer.pushdown_predicates.replace_aliases", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "replace_aliases", "kind": "function", "doc": "

\n", "signature": "(source, predicate):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_projections": {"fullname": "sqlglot.optimizer.pushdown_projections", "modulename": "sqlglot.optimizer.pushdown_projections", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.pushdown_projections.DEFAULT_SELECTION": {"fullname": "sqlglot.optimizer.pushdown_projections.DEFAULT_SELECTION", "modulename": "sqlglot.optimizer.pushdown_projections", "qualname": "DEFAULT_SELECTION", "kind": "function", "doc": "

\n", "signature": "():", "funcdef": "def"}, "sqlglot.optimizer.pushdown_projections.pushdown_projections": {"fullname": "sqlglot.optimizer.pushdown_projections.pushdown_projections", "modulename": "sqlglot.optimizer.pushdown_projections", "qualname": "pushdown_projections", "kind": "function", "doc": "

Rewrite sqlglot AST to remove unused columns projections.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "SELECT y.a AS a FROM (SELECT x.a AS a, x.b AS b FROM x) AS y"\n>>> expression = sqlglot.parse_one(sql)\n>>> pushdown_projections(expression).sql()\n'SELECT y.a AS a FROM (SELECT x.a AS a FROM x) AS y'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
  • remove_unused_selections (bool): remove selects that are unused
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression, schema=None, remove_unused_selections=True):", "funcdef": "def"}, "sqlglot.optimizer.qualify_columns": {"fullname": "sqlglot.optimizer.qualify_columns", "modulename": "sqlglot.optimizer.qualify_columns", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.qualify_columns.qualify_columns": {"fullname": "sqlglot.optimizer.qualify_columns.qualify_columns", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "qualify_columns", "kind": "function", "doc": "

Rewrite sqlglot AST to have fully qualified columns.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> schema = {"tbl": {"col": "INT"}}\n>>> expression = sqlglot.parse_one("SELECT col FROM tbl")\n>>> qualify_columns(expression, schema).sql()\n'SELECT tbl.col AS col FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to qualify
    • \n
  • schema (dict|sqlglot.optimizer.Schema): Database schema
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: qualified expression

\n
\n", "signature": "(expression, schema):", "funcdef": "def"}, "sqlglot.optimizer.qualify_columns.validate_qualify_columns": {"fullname": "sqlglot.optimizer.qualify_columns.validate_qualify_columns", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "validate_qualify_columns", "kind": "function", "doc": "

Raise an OptimizeError if any columns aren't qualified

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.qualify_columns.Resolver": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver", "kind": "class", "doc": "

Helper for resolving columns.

\n\n

This is a class so we can lazily load some things and easily share them across functions.

\n"}, "sqlglot.optimizer.qualify_columns.Resolver.__init__": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver.__init__", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver.__init__", "kind": "function", "doc": "

\n", "signature": "(scope, schema)"}, "sqlglot.optimizer.qualify_columns.Resolver.get_table": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver.get_table", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver.get_table", "kind": "function", "doc": "

Get the table for a column name.

\n\n
Arguments:
\n\n
    \n
  • column_name: The column name to find the table for.
    • \n
\n\n
Returns:
\n\n
\n

The table name if it can be found/inferred.

\n
\n", "signature": "(self, column_name: str) -> Optional[sqlglot.expressions.Identifier]:", "funcdef": "def"}, "sqlglot.optimizer.qualify_columns.Resolver.all_columns": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver.all_columns", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver.all_columns", "kind": "variable", "doc": "

All available columns of all sources in this scope

\n"}, "sqlglot.optimizer.qualify_columns.Resolver.get_source_columns": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver.get_source_columns", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver.get_source_columns", "kind": "function", "doc": "

Resolve the source columns for a given source name

\n", "signature": "(self, name, only_visible=False):", "funcdef": "def"}, "sqlglot.optimizer.qualify_tables": {"fullname": "sqlglot.optimizer.qualify_tables", "modulename": "sqlglot.optimizer.qualify_tables", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.qualify_tables.qualify_tables": {"fullname": "sqlglot.optimizer.qualify_tables.qualify_tables", "modulename": "sqlglot.optimizer.qualify_tables", "qualname": "qualify_tables", "kind": "function", "doc": "

Rewrite sqlglot AST to have fully qualified tables.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT 1 FROM tbl")\n>>> qualify_tables(expression, db="db").sql()\n'SELECT 1 FROM db.tbl AS tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to qualify
    • \n
  • db (str): Database name
    • \n
  • catalog (str): Catalog name
    • \n
  • schema: A schema to populate
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: qualified expression

\n
\n", "signature": "(expression, db=None, catalog=None, schema=None):", "funcdef": "def"}, "sqlglot.optimizer.scope": {"fullname": "sqlglot.optimizer.scope", "modulename": "sqlglot.optimizer.scope", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.scope.ScopeType": {"fullname": "sqlglot.optimizer.scope.ScopeType", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType", "kind": "class", "doc": "

An enumeration.

\n", "bases": "enum.Enum"}, "sqlglot.optimizer.scope.ScopeType.ROOT": {"fullname": "sqlglot.optimizer.scope.ScopeType.ROOT", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.ROOT", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.ROOT: 1>"}, "sqlglot.optimizer.scope.ScopeType.SUBQUERY": {"fullname": "sqlglot.optimizer.scope.ScopeType.SUBQUERY", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.SUBQUERY", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.SUBQUERY: 2>"}, "sqlglot.optimizer.scope.ScopeType.DERIVED_TABLE": {"fullname": "sqlglot.optimizer.scope.ScopeType.DERIVED_TABLE", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.DERIVED_TABLE", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.DERIVED_TABLE: 3>"}, "sqlglot.optimizer.scope.ScopeType.CTE": {"fullname": "sqlglot.optimizer.scope.ScopeType.CTE", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.CTE", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.CTE: 4>"}, "sqlglot.optimizer.scope.ScopeType.UNION": {"fullname": "sqlglot.optimizer.scope.ScopeType.UNION", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.UNION", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.UNION: 5>"}, "sqlglot.optimizer.scope.ScopeType.UDTF": {"fullname": "sqlglot.optimizer.scope.ScopeType.UDTF", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.UDTF", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.UDTF: 6>"}, "sqlglot.optimizer.scope.Scope": {"fullname": "sqlglot.optimizer.scope.Scope", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope", "kind": "class", "doc": "

Selection scope.

\n\n
Attributes:
\n\n
    \n
  • expression (exp.Select|exp.Union): Root expression of this scope
    • \n
  • sources (dict[str, exp.Table|Scope]): Mapping of source name to either\na Table expression or another Scope instance. For example:\n SELECT * FROM x {\"x\": Table(this=\"x\")}\n SELECT * FROM x AS y {\"y\": Table(this=\"x\")}\n SELECT * FROM (SELECT ...) AS y {\"y\": Scope(...)}
    • \n
  • lateral_sources (dict[str, exp.Table|Scope]): Sources from laterals\nFor example:\n SELECT c FROM x LATERAL VIEW EXPLODE (a) AS c;\nThe LATERAL VIEW EXPLODE gets x as a source.
    • \n
  • outer_column_list (list[str]): If this is a derived table or CTE, and the outer query\ndefines a column list of it's alias of this scope, this is that list of columns.\nFor example:\n SELECT * FROM (SELECT ...) AS y(col1, col2)\nThe inner query would have [\"col1\", \"col2\"] for its outer_column_list
    • \n
  • parent (Scope): Parent scope
    • \n
  • scope_type (ScopeType): Type of this scope, relative to it's parent
    • \n
  • subquery_scopes (list[Scope]): List of all child scopes for subqueries
    • \n
  • cte_scopes (list[Scope]): List of all child scopes for CTEs
    • \n
  • derived_table_scopes (list[Scope]): List of all child scopes for derived_tables
    • \n
  • udtf_scopes (list[Scope]): List of all child scopes for user defined tabular functions
    • \n
  • table_scopes (list[Scope]): derived_table_scopes + udtf_scopes, in the order that they're defined
    • \n
  • union_scopes (list[Scope, Scope]): If this Scope is for a Union expression, this will be\na list of the left and right child scopes.
    • \n
\n"}, "sqlglot.optimizer.scope.Scope.__init__": {"fullname": "sqlglot.optimizer.scope.Scope.__init__", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.__init__", "kind": "function", "doc": "

\n", "signature": "(\texpression,\tsources=None,\touter_column_list=None,\tparent=None,\tscope_type=<ScopeType.ROOT: 1>,\tlateral_sources=None)"}, "sqlglot.optimizer.scope.Scope.clear_cache": {"fullname": "sqlglot.optimizer.scope.Scope.clear_cache", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.clear_cache", "kind": "function", "doc": "

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.branch": {"fullname": "sqlglot.optimizer.scope.Scope.branch", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.branch", "kind": "function", "doc": "

Branch from the current scope to a new, inner scope

\n", "signature": "(self, expression, scope_type, chain_sources=None, **kwargs):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.walk": {"fullname": "sqlglot.optimizer.scope.Scope.walk", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.walk", "kind": "function", "doc": "

\n", "signature": "(self, bfs=True):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.find": {"fullname": "sqlglot.optimizer.scope.Scope.find", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.find", "kind": "function", "doc": "

Returns the first node in this scope which matches at least one of the specified types.

\n\n

This does NOT traverse into subscopes.

\n\n
Arguments:
\n\n
    \n
  • expression_types (type): the expression type(s) to match.
    • \n
  • bfs (bool): True to use breadth-first search, False to use depth-first.
    • \n
\n\n
Returns:
\n\n
\n

exp.Expression: the node which matches the criteria or None if no node matching\n the criteria was found.

\n
\n", "signature": "(self, *expression_types, bfs=True):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.find_all": {"fullname": "sqlglot.optimizer.scope.Scope.find_all", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.find_all", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this scope and only yields those that\nmatch at least one of the specified expression types.

\n\n

This does NOT traverse into subscopes.

\n\n
Arguments:
\n\n
    \n
  • expression_types (type): the expression type(s) to match.
    • \n
  • bfs (bool): True to use breadth-first search, False to use depth-first.
    • \n
\n\n
Yields:
\n\n
\n

exp.Expression: nodes

\n
\n", "signature": "(self, *expression_types, bfs=True):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.replace": {"fullname": "sqlglot.optimizer.scope.Scope.replace", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.replace", "kind": "function", "doc": "

Replace old with new.

\n\n

This can be used instead of exp.Expression.replace to ensure the Scope is kept up-to-date.

\n\n
Arguments:
\n\n
    \n
  • old (exp.Expression): old node
    • \n
  • new (exp.Expression): new node
    • \n
\n", "signature": "(self, old, new):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.tables": {"fullname": "sqlglot.optimizer.scope.Scope.tables", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.tables", "kind": "variable", "doc": "

List of tables in this scope.

\n\n
Returns:
\n\n
\n

list[exp.Table]: tables

\n
\n"}, "sqlglot.optimizer.scope.Scope.ctes": {"fullname": "sqlglot.optimizer.scope.Scope.ctes", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.ctes", "kind": "variable", "doc": "

List of CTEs in this scope.

\n\n
Returns:
\n\n
\n

list[exp.CTE]: ctes

\n
\n"}, "sqlglot.optimizer.scope.Scope.derived_tables": {"fullname": "sqlglot.optimizer.scope.Scope.derived_tables", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.derived_tables", "kind": "variable", "doc": "

List of derived tables in this scope.

\n\n
For example:
\n\n
\n

SELECT * FROM (SELECT ...) <- that's a derived table

\n
\n\n
Returns:
\n\n
\n

list[exp.Subquery]: derived tables

\n
\n"}, "sqlglot.optimizer.scope.Scope.udtfs": {"fullname": "sqlglot.optimizer.scope.Scope.udtfs", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.udtfs", "kind": "variable", "doc": "

List of \"User Defined Tabular Functions\" in this scope.

\n\n
Returns:
\n\n
\n

list[exp.UDTF]: UDTFs

\n
\n"}, "sqlglot.optimizer.scope.Scope.subqueries": {"fullname": "sqlglot.optimizer.scope.Scope.subqueries", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.subqueries", "kind": "variable", "doc": "

List of subqueries in this scope.

\n\n
For example:
\n\n
\n

SELECT * FROM x WHERE a IN (SELECT ...) <- that's a subquery

\n
\n\n
Returns:
\n\n
\n

list[exp.Subqueryable]: subqueries

\n
\n"}, "sqlglot.optimizer.scope.Scope.columns": {"fullname": "sqlglot.optimizer.scope.Scope.columns", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.columns", "kind": "variable", "doc": "

List of columns in this scope.

\n\n
Returns:
\n\n
\n

list[exp.Column]: Column instances in this scope, plus any\n Columns that reference this scope from correlated subqueries.

\n
\n"}, "sqlglot.optimizer.scope.Scope.selected_sources": {"fullname": "sqlglot.optimizer.scope.Scope.selected_sources", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.selected_sources", "kind": "variable", "doc": "

Mapping of nodes and sources that are actually selected from in this scope.

\n\n

That is, all tables in a schema are selectable at any point. But a\ntable only becomes a selected source if it's included in a FROM or JOIN clause.

\n\n
Returns:
\n\n
\n

dict[str, (exp.Table|exp.Select, exp.Table|Scope)]: selected sources and nodes

\n
\n"}, "sqlglot.optimizer.scope.Scope.cte_sources": {"fullname": "sqlglot.optimizer.scope.Scope.cte_sources", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.cte_sources", "kind": "variable", "doc": "

Sources that are CTEs.

\n\n
Returns:
\n\n
\n

dict[str, Scope]: Mapping of source alias to Scope

\n
\n"}, "sqlglot.optimizer.scope.Scope.selects": {"fullname": "sqlglot.optimizer.scope.Scope.selects", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.selects", "kind": "variable", "doc": "

Select expressions of this scope.

\n\n

For example, for the following expression:\n SELECT 1 as a, 2 as b FROM x

\n\n

The outputs are the \"1 as a\" and \"2 as b\" expressions.

\n\n
Returns:
\n\n
\n

list[exp.Expression]: expressions

\n
\n"}, "sqlglot.optimizer.scope.Scope.external_columns": {"fullname": "sqlglot.optimizer.scope.Scope.external_columns", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.external_columns", "kind": "variable", "doc": "

Columns that appear to reference sources in outer scopes.

\n\n
Returns:
\n\n
\n

list[exp.Column]: Column instances that don't reference\n sources in the current scope.

\n
\n"}, "sqlglot.optimizer.scope.Scope.unqualified_columns": {"fullname": "sqlglot.optimizer.scope.Scope.unqualified_columns", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.unqualified_columns", "kind": "variable", "doc": "

Unqualified columns in the current scope.

\n\n
Returns:
\n\n
\n

list[exp.Column]: Unqualified columns

\n
\n"}, "sqlglot.optimizer.scope.Scope.join_hints": {"fullname": "sqlglot.optimizer.scope.Scope.join_hints", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.join_hints", "kind": "variable", "doc": "

Hints that exist in the scope that reference tables

\n\n
Returns:
\n\n
\n

list[exp.JoinHint]: Join hints that are referenced within the scope

\n
\n"}, "sqlglot.optimizer.scope.Scope.source_columns": {"fullname": "sqlglot.optimizer.scope.Scope.source_columns", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.source_columns", "kind": "function", "doc": "

Get all columns in the current scope for a particular source.

\n\n
Arguments:
\n\n
    \n
  • source_name (str): Name of the source
    • \n
\n\n
Returns:
\n\n
\n

list[exp.Column]: Column instances that reference source_name

\n
\n", "signature": "(self, source_name):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.is_subquery": {"fullname": "sqlglot.optimizer.scope.Scope.is_subquery", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_subquery", "kind": "variable", "doc": "

Determine if this scope is a subquery

\n"}, "sqlglot.optimizer.scope.Scope.is_derived_table": {"fullname": "sqlglot.optimizer.scope.Scope.is_derived_table", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_derived_table", "kind": "variable", "doc": "

Determine if this scope is a derived table

\n"}, "sqlglot.optimizer.scope.Scope.is_union": {"fullname": "sqlglot.optimizer.scope.Scope.is_union", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_union", "kind": "variable", "doc": "

Determine if this scope is a union

\n"}, "sqlglot.optimizer.scope.Scope.is_cte": {"fullname": "sqlglot.optimizer.scope.Scope.is_cte", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_cte", "kind": "variable", "doc": "

Determine if this scope is a common table expression

\n"}, "sqlglot.optimizer.scope.Scope.is_root": {"fullname": "sqlglot.optimizer.scope.Scope.is_root", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_root", "kind": "variable", "doc": "

Determine if this is the root scope

\n"}, "sqlglot.optimizer.scope.Scope.is_udtf": {"fullname": "sqlglot.optimizer.scope.Scope.is_udtf", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_udtf", "kind": "variable", "doc": "

Determine if this scope is a UDTF (User Defined Table Function)

\n"}, "sqlglot.optimizer.scope.Scope.is_correlated_subquery": {"fullname": "sqlglot.optimizer.scope.Scope.is_correlated_subquery", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_correlated_subquery", "kind": "variable", "doc": "

Determine if this scope is a correlated subquery

\n"}, "sqlglot.optimizer.scope.Scope.rename_source": {"fullname": "sqlglot.optimizer.scope.Scope.rename_source", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.rename_source", "kind": "function", "doc": "

Rename a source in this scope

\n", "signature": "(self, old_name, new_name):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.add_source": {"fullname": "sqlglot.optimizer.scope.Scope.add_source", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.add_source", "kind": "function", "doc": "

Add a source to this scope

\n", "signature": "(self, name, source):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.remove_source": {"fullname": "sqlglot.optimizer.scope.Scope.remove_source", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.remove_source", "kind": "function", "doc": "

Remove a source from this scope

\n", "signature": "(self, name):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.traverse": {"fullname": "sqlglot.optimizer.scope.Scope.traverse", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.traverse", "kind": "function", "doc": "

Traverse the scope tree from this node.

\n\n
Yields:
\n\n
\n

Scope: scope instances in depth-first-search post-order

\n
\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.ref_count": {"fullname": "sqlglot.optimizer.scope.Scope.ref_count", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.ref_count", "kind": "function", "doc": "

Count the number of times each scope in this tree is referenced.

\n\n
Returns:
\n\n
\n

dict[int, int]: Mapping of Scope instance ID to reference count

\n
\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.optimizer.scope.traverse_scope": {"fullname": "sqlglot.optimizer.scope.traverse_scope", "modulename": "sqlglot.optimizer.scope", "qualname": "traverse_scope", "kind": "function", "doc": "

Traverse an expression by it's \"scopes\".

\n\n

\"Scope\" represents the current context of a Select statement.

\n\n

This is helpful for optimizing queries, where we need more information than\nthe expression tree itself. For example, we might care about the source\nnames within a subquery. Returns a list because a generator could result in\nincomplete properties which is confusing.

\n\n
Examples:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT a FROM (SELECT a FROM x) AS y")\n>>> scopes = traverse_scope(expression)\n>>> scopes[0].expression.sql(), list(scopes[0].sources)\n('SELECT a FROM x', ['x'])\n>>> scopes[1].expression.sql(), list(scopes[1].sources)\n('SELECT a FROM (SELECT a FROM x) AS y', ['y'])\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (exp.Expression): expression to traverse
    • \n
\n\n
Returns:
\n\n
\n

list[Scope]: scope instances

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.scope.build_scope": {"fullname": "sqlglot.optimizer.scope.build_scope", "modulename": "sqlglot.optimizer.scope", "qualname": "build_scope", "kind": "function", "doc": "

Build a scope tree.

\n\n
Arguments:
\n\n
    \n
  • expression (exp.Expression): expression to build the scope tree for
    • \n
\n\n
Returns:
\n\n
\n

Scope: root scope

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.scope.walk_in_scope": {"fullname": "sqlglot.optimizer.scope.walk_in_scope", "modulename": "sqlglot.optimizer.scope", "qualname": "walk_in_scope", "kind": "function", "doc": "

Returns a generator object which visits all nodes in the syntrax tree, stopping at\nnodes that start child scopes.

\n\n
Arguments:
\n\n
    \n
  • expression (exp.Expression):
    • \n
  • bfs (bool): if set to True the BFS traversal order will be applied,\notherwise the DFS traversal will be used instead.
    • \n
\n\n
Yields:
\n\n
\n

tuple[exp.Expression, Optional[exp.Expression], str]: node, parent, arg key

\n
\n", "signature": "(expression, bfs=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify": {"fullname": "sqlglot.optimizer.simplify", "modulename": "sqlglot.optimizer.simplify", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.simplify.simplify": {"fullname": "sqlglot.optimizer.simplify.simplify", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify", "kind": "function", "doc": "

Rewrite sqlglot AST to simplify expressions.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("TRUE AND TRUE")\n>>> simplify(expression).sql()\n'TRUE'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to simplify
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: simplified expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.rewrite_between": {"fullname": "sqlglot.optimizer.simplify.rewrite_between", "modulename": "sqlglot.optimizer.simplify", "qualname": "rewrite_between", "kind": "function", "doc": "

Rewrite x between y and z to x >= y AND x <= z.

\n\n

This is done because comparison simplification is only done on lt/lte/gt/gte.

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.simplify.simplify_not": {"fullname": "sqlglot.optimizer.simplify.simplify_not", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify_not", "kind": "function", "doc": "

Demorgan's Law\nNOT (x OR y) -> NOT x AND NOT y\nNOT (x AND y) -> NOT x OR NOT y

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.flatten": {"fullname": "sqlglot.optimizer.simplify.flatten", "modulename": "sqlglot.optimizer.simplify", "qualname": "flatten", "kind": "function", "doc": "

A AND (B AND C) -> A AND B AND C\nA OR (B OR C) -> A OR B OR C

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.simplify_connectors": {"fullname": "sqlglot.optimizer.simplify.simplify_connectors", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify_connectors", "kind": "function", "doc": "

\n", "signature": "(expression, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.remove_compliments": {"fullname": "sqlglot.optimizer.simplify.remove_compliments", "modulename": "sqlglot.optimizer.simplify", "qualname": "remove_compliments", "kind": "function", "doc": "

Removing compliments.

\n\n

A AND NOT A -> FALSE\nA OR NOT A -> TRUE

\n", "signature": "(expression, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.uniq_sort": {"fullname": "sqlglot.optimizer.simplify.uniq_sort", "modulename": "sqlglot.optimizer.simplify", "qualname": "uniq_sort", "kind": "function", "doc": "

Uniq and sort a connector.

\n\n

C AND A AND B AND B -> A AND B AND C

\n", "signature": "(expression, cache=None, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.absorb_and_eliminate": {"fullname": "sqlglot.optimizer.simplify.absorb_and_eliminate", "modulename": "sqlglot.optimizer.simplify", "qualname": "absorb_and_eliminate", "kind": "function", "doc": "

absorption:\n A AND (A OR B) -> A\n A OR (A AND B) -> A\n A AND (NOT A OR B) -> A AND B\n A OR (NOT A AND B) -> A OR B\nelimination:\n (A AND B) OR (A AND NOT B) -> A\n (A OR B) AND (A OR NOT B) -> A

\n", "signature": "(expression, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.simplify_literals": {"fullname": "sqlglot.optimizer.simplify.simplify_literals", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify_literals", "kind": "function", "doc": "

\n", "signature": "(expression, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.simplify_parens": {"fullname": "sqlglot.optimizer.simplify.simplify_parens", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify_parens", "kind": "function", "doc": "

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.remove_where_true": {"fullname": "sqlglot.optimizer.simplify.remove_where_true", "modulename": "sqlglot.optimizer.simplify", "qualname": "remove_where_true", "kind": "function", "doc": "

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.always_true": {"fullname": "sqlglot.optimizer.simplify.always_true", "modulename": "sqlglot.optimizer.simplify", "qualname": "always_true", "kind": "function", "doc": "

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.is_complement": {"fullname": "sqlglot.optimizer.simplify.is_complement", "modulename": "sqlglot.optimizer.simplify", "qualname": "is_complement", "kind": "function", "doc": "

\n", "signature": "(a, b):", "funcdef": "def"}, "sqlglot.optimizer.simplify.is_false": {"fullname": "sqlglot.optimizer.simplify.is_false", "modulename": "sqlglot.optimizer.simplify", "qualname": "is_false", "kind": "function", "doc": "

\n", "signature": "(a: sqlglot.expressions.Expression) -> bool:", "funcdef": "def"}, "sqlglot.optimizer.simplify.is_null": {"fullname": "sqlglot.optimizer.simplify.is_null", "modulename": "sqlglot.optimizer.simplify", "qualname": "is_null", "kind": "function", "doc": "

\n", "signature": "(a: sqlglot.expressions.Expression) -> bool:", "funcdef": "def"}, "sqlglot.optimizer.simplify.eval_boolean": {"fullname": "sqlglot.optimizer.simplify.eval_boolean", "modulename": "sqlglot.optimizer.simplify", "qualname": "eval_boolean", "kind": "function", "doc": "

\n", "signature": "(expression, a, b):", "funcdef": "def"}, "sqlglot.optimizer.simplify.extract_date": {"fullname": "sqlglot.optimizer.simplify.extract_date", "modulename": "sqlglot.optimizer.simplify", "qualname": "extract_date", "kind": "function", "doc": "

\n", "signature": "(cast):", "funcdef": "def"}, "sqlglot.optimizer.simplify.extract_interval": {"fullname": "sqlglot.optimizer.simplify.extract_interval", "modulename": "sqlglot.optimizer.simplify", "qualname": "extract_interval", "kind": "function", "doc": "

\n", "signature": "(interval):", "funcdef": "def"}, "sqlglot.optimizer.simplify.date_literal": {"fullname": "sqlglot.optimizer.simplify.date_literal", "modulename": "sqlglot.optimizer.simplify", "qualname": "date_literal", "kind": "function", "doc": "

\n", "signature": "(date):", "funcdef": "def"}, "sqlglot.optimizer.simplify.boolean_literal": {"fullname": "sqlglot.optimizer.simplify.boolean_literal", "modulename": "sqlglot.optimizer.simplify", "qualname": "boolean_literal", "kind": "function", "doc": "

\n", "signature": "(condition):", "funcdef": "def"}, "sqlglot.optimizer.unnest_subqueries": {"fullname": "sqlglot.optimizer.unnest_subqueries", "modulename": "sqlglot.optimizer.unnest_subqueries", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.unnest_subqueries.unnest_subqueries": {"fullname": "sqlglot.optimizer.unnest_subqueries.unnest_subqueries", "modulename": "sqlglot.optimizer.unnest_subqueries", "qualname": "unnest_subqueries", "kind": "function", "doc": "

Rewrite sqlglot AST to convert some predicates with subqueries into joins.

\n\n

Convert scalar subqueries into cross joins.\nConvert correlated or vectorized subqueries into a group by so it is not a many to many left join.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT * FROM x AS x WHERE (SELECT y.a AS a FROM y AS y WHERE x.a = y.a) = 1 ")\n>>> unnest_subqueries(expression).sql()\n'SELECT * FROM x AS x LEFT JOIN (SELECT y.a AS a FROM y AS y WHERE TRUE GROUP BY y.a) AS _u_0 ON x.a = _u_0.a WHERE _u_0.a = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to unnest
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: unnested expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.unnest_subqueries.unnest": {"fullname": "sqlglot.optimizer.unnest_subqueries.unnest", "modulename": "sqlglot.optimizer.unnest_subqueries", "qualname": "unnest", "kind": "function", "doc": "

\n", "signature": "(select, parent_select, sequence):", "funcdef": "def"}, "sqlglot.optimizer.unnest_subqueries.decorrelate": {"fullname": "sqlglot.optimizer.unnest_subqueries.decorrelate", "modulename": "sqlglot.optimizer.unnest_subqueries", "qualname": "decorrelate", "kind": "function", "doc": "

\n", "signature": "(select, parent_select, external_columns, sequence):", "funcdef": "def"}, "sqlglot.parser": {"fullname": "sqlglot.parser", "modulename": "sqlglot.parser", "kind": "module", "doc": "

\n"}, "sqlglot.parser.parse_var_map": {"fullname": "sqlglot.parser.parse_var_map", "modulename": "sqlglot.parser", "qualname": "parse_var_map", "kind": "function", "doc": "

\n", "signature": "(args: Sequence) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.parser.parse_like": {"fullname": "sqlglot.parser.parse_like", "modulename": "sqlglot.parser", "qualname": "parse_like", "kind": "function", "doc": "

\n", "signature": "(args):", "funcdef": "def"}, "sqlglot.parser.binary_range_parser": {"fullname": "sqlglot.parser.binary_range_parser", "modulename": "sqlglot.parser", "qualname": "binary_range_parser", "kind": "function", "doc": "

\n", "signature": "(\texpr_type: Type[sqlglot.expressions.Expression]) -> Callable[[sqlglot.parser.Parser, Optional[sqlglot.expressions.Expression]], Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.parser.Parser": {"fullname": "sqlglot.parser.Parser", "modulename": "sqlglot.parser", "qualname": "Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n"}, "sqlglot.parser.Parser.__init__": {"fullname": "sqlglot.parser.Parser.__init__", "modulename": "sqlglot.parser", "qualname": "Parser.__init__", "kind": "function", "doc": "

\n", "signature": "(\terror_level: Optional[sqlglot.errors.ErrorLevel] = None,\terror_message_context: int = 100,\tindex_offset: int = 0,\tunnest_column_only: bool = False,\talias_post_tablesample: bool = False,\tmax_errors: int = 3,\tnull_ordering: Optional[str] = None)"}, "sqlglot.parser.Parser.reset": {"fullname": "sqlglot.parser.Parser.reset", "modulename": "sqlglot.parser", "qualname": "Parser.reset", "kind": "function", "doc": "

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.parser.Parser.parse": {"fullname": "sqlglot.parser.Parser.parse", "modulename": "sqlglot.parser", "qualname": "Parser.parse", "kind": "function", "doc": "

Parses a list of tokens and returns a list of syntax trees, one tree\nper parsed SQL statement.

\n\n
Arguments:
\n\n
    \n
  • raw_tokens: the list of tokens.
    • \n
  • sql: the original SQL string, used to produce helpful debug messages.
    • \n
\n\n
Returns:
\n\n
\n

The list of syntax trees.

\n
\n", "signature": "(\tself,\traw_tokens: List[sqlglot.tokens.Token],\tsql: Optional[str] = None) -> List[Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.parser.Parser.parse_into": {"fullname": "sqlglot.parser.Parser.parse_into", "modulename": "sqlglot.parser", "qualname": "Parser.parse_into", "kind": "function", "doc": "

Parses a list of tokens into a given Expression type. If a collection of Expression\ntypes is given instead, this method will try to parse the token list into each one\nof them, stopping at the first for which the parsing succeeds.

\n\n
Arguments:
\n\n
    \n
  • expression_types: the expression type(s) to try and parse the token list into.
    • \n
  • raw_tokens: the list of tokens.
    • \n
  • sql: the original SQL string, used to produce helpful debug messages.
    • \n
\n\n
Returns:
\n\n
\n

The target Expression.

\n
\n", "signature": "(\tself,\texpression_types: Union[str, Type[sqlglot.expressions.Expression], Collection[Union[str, Type[sqlglot.expressions.Expression]]]],\traw_tokens: List[sqlglot.tokens.Token],\tsql: Optional[str] = None) -> List[Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.parser.Parser.check_errors": {"fullname": "sqlglot.parser.Parser.check_errors", "modulename": "sqlglot.parser", "qualname": "Parser.check_errors", "kind": "function", "doc": "

Logs or raises any found errors, depending on the chosen error level setting.

\n", "signature": "(self) -> None:", "funcdef": "def"}, "sqlglot.parser.Parser.raise_error": {"fullname": "sqlglot.parser.Parser.raise_error", "modulename": "sqlglot.parser", "qualname": "Parser.raise_error", "kind": "function", "doc": "

Appends an error in the list of recorded errors or raises it, depending on the chosen\nerror level setting.

\n", "signature": "(self, message: str, token: Optional[sqlglot.tokens.Token] = None) -> None:", "funcdef": "def"}, "sqlglot.parser.Parser.expression": {"fullname": "sqlglot.parser.Parser.expression", "modulename": "sqlglot.parser", "qualname": "Parser.expression", "kind": "function", "doc": "

Creates a new, validated Expression.

\n\n
Arguments:
\n\n
    \n
  • exp_class: the expression class to instantiate.
    • \n
  • comments: an optional list of comments to attach to the expression.
    • \n
  • kwargs: the arguments to set for the expression along with their respective values.
    • \n
\n\n
Returns:
\n\n
\n

The target expression.

\n
\n", "signature": "(\tself,\texp_class: Type[~E],\tcomments: Optional[List[str]] = None,\t**kwargs) -> ~E:", "funcdef": "def"}, "sqlglot.parser.Parser.validate_expression": {"fullname": "sqlglot.parser.Parser.validate_expression", "modulename": "sqlglot.parser", "qualname": "Parser.validate_expression", "kind": "function", "doc": "

Validates an already instantiated expression, making sure that all its mandatory arguments\nare set.

\n\n
Arguments:
\n\n
    \n
  • expression: the expression to validate.
    • \n
  • args: an optional list of items that was used to instantiate the expression, if it's a Func.
    • \n
\n", "signature": "(\tself,\texpression: sqlglot.expressions.Expression,\targs: Optional[List] = None) -> None:", "funcdef": "def"}, "sqlglot.planner": {"fullname": "sqlglot.planner", "modulename": "sqlglot.planner", "kind": "module", "doc": "

\n"}, "sqlglot.planner.Plan": {"fullname": "sqlglot.planner.Plan", "modulename": "sqlglot.planner", "qualname": "Plan", "kind": "class", "doc": "

\n"}, "sqlglot.planner.Plan.__init__": {"fullname": "sqlglot.planner.Plan.__init__", "modulename": "sqlglot.planner", "qualname": "Plan.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression)"}, "sqlglot.planner.Step": {"fullname": "sqlglot.planner.Step", "modulename": "sqlglot.planner", "qualname": "Step", "kind": "class", "doc": "

\n"}, "sqlglot.planner.Step.from_expression": {"fullname": "sqlglot.planner.Step.from_expression", "modulename": "sqlglot.planner", "qualname": "Step.from_expression", "kind": "function", "doc": "

Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.\nNote: the expression's tables and subqueries must be aliased for this method to work. For\nexample, given the following expression:

\n\n

SELECT\n x.a,\n SUM(x.b)\nFROM x AS x\nJOIN y AS y\n ON x.a = y.a\nGROUP BY x.a

\n\n

the following DAG is produced (the expression IDs might differ per execution):

\n\n
    \n
  • Aggregate: x (4347984624)\nContext:\n Aggregations:\n - SUM(x.b)\n Group:\n - x.a\nProjections:\n
      \n
    • x.a
      • \n
    • \"x\".\"\"\nDependencies:\n
        \n
      • Join: x (4347985296)\nContext:\ny:\nOn: x.a = y.a\nProjections:\nDependencies:
        • \n
      • \n
    • Scan: x (4347983136)\nContext:\n Source: x AS x\nProjections:
      • \n
    • Scan: y (4343416624)\nContext:\n Source: y AS y\nProjections:
      • \n
    • \n
\n\n
Arguments:
\n\n
    \n
  • expression: the expression to build the DAG from.
    • \n
  • ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.
    • \n
\n\n
Returns:
\n\n
\n

A Step DAG corresponding to expression.

\n
\n", "signature": "(\tcls,\texpression: sqlglot.expressions.Expression,\tctes: Optional[Dict[str, sqlglot.planner.Step]] = None) -> sqlglot.planner.Step:", "funcdef": "def"}, "sqlglot.planner.Step.add_dependency": {"fullname": "sqlglot.planner.Step.add_dependency", "modulename": "sqlglot.planner", "qualname": "Step.add_dependency", "kind": "function", "doc": "

\n", "signature": "(self, dependency: sqlglot.planner.Step) -> None:", "funcdef": "def"}, "sqlglot.planner.Step.to_s": {"fullname": "sqlglot.planner.Step.to_s", "modulename": "sqlglot.planner", "qualname": "Step.to_s", "kind": "function", "doc": "

\n", "signature": "(self, level: int = 0) -> str:", "funcdef": "def"}, "sqlglot.planner.Scan": {"fullname": "sqlglot.planner.Scan", "modulename": "sqlglot.planner", "qualname": "Scan", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.Scan.from_expression": {"fullname": "sqlglot.planner.Scan.from_expression", "modulename": "sqlglot.planner", "qualname": "Scan.from_expression", "kind": "function", "doc": "

Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.\nNote: the expression's tables and subqueries must be aliased for this method to work. For\nexample, given the following expression:

\n\n

SELECT\n x.a,\n SUM(x.b)\nFROM x AS x\nJOIN y AS y\n ON x.a = y.a\nGROUP BY x.a

\n\n

the following DAG is produced (the expression IDs might differ per execution):

\n\n
    \n
  • Aggregate: x (4347984624)\nContext:\n Aggregations:\n - SUM(x.b)\n Group:\n - x.a\nProjections:\n
      \n
    • x.a
      • \n
    • \"x\".\"\"\nDependencies:\n
        \n
      • Join: x (4347985296)\nContext:\ny:\nOn: x.a = y.a\nProjections:\nDependencies:
        • \n
      • \n
    • Scan: x (4347983136)\nContext:\n Source: x AS x\nProjections:
      • \n
    • Scan: y (4343416624)\nContext:\n Source: y AS y\nProjections:
      • \n
    • \n
\n\n
Arguments:
\n\n
    \n
  • expression: the expression to build the DAG from.
    • \n
  • ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.
    • \n
\n\n
Returns:
\n\n
\n

A Step DAG corresponding to expression.

\n
\n", "signature": "(\tcls,\texpression: sqlglot.expressions.Expression,\tctes: Optional[Dict[str, sqlglot.planner.Step]] = None) -> sqlglot.planner.Step:", "funcdef": "def"}, "sqlglot.planner.Join": {"fullname": "sqlglot.planner.Join", "modulename": "sqlglot.planner", "qualname": "Join", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.Join.from_joins": {"fullname": "sqlglot.planner.Join.from_joins", "modulename": "sqlglot.planner", "qualname": "Join.from_joins", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tjoins: Iterable[sqlglot.expressions.Join],\tctes: Optional[Dict[str, sqlglot.planner.Step]] = None) -> sqlglot.planner.Step:", "funcdef": "def"}, "sqlglot.planner.Aggregate": {"fullname": "sqlglot.planner.Aggregate", "modulename": "sqlglot.planner", "qualname": "Aggregate", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.Sort": {"fullname": "sqlglot.planner.Sort", "modulename": "sqlglot.planner", "qualname": "Sort", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.SetOperation": {"fullname": "sqlglot.planner.SetOperation", "modulename": "sqlglot.planner", "qualname": "SetOperation", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.SetOperation.__init__": {"fullname": "sqlglot.planner.SetOperation.__init__", "modulename": "sqlglot.planner", "qualname": "SetOperation.__init__", "kind": "function", "doc": "

\n", "signature": "(\top: Type[sqlglot.expressions.Expression],\tleft: str | None,\tright: str | None,\tdistinct: bool = False)"}, "sqlglot.planner.SetOperation.from_expression": {"fullname": "sqlglot.planner.SetOperation.from_expression", "modulename": "sqlglot.planner", "qualname": "SetOperation.from_expression", "kind": "function", "doc": "

Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.\nNote: the expression's tables and subqueries must be aliased for this method to work. For\nexample, given the following expression:

\n\n

SELECT\n x.a,\n SUM(x.b)\nFROM x AS x\nJOIN y AS y\n ON x.a = y.a\nGROUP BY x.a

\n\n

the following DAG is produced (the expression IDs might differ per execution):

\n\n
    \n
  • Aggregate: x (4347984624)\nContext:\n Aggregations:\n - SUM(x.b)\n Group:\n - x.a\nProjections:\n
      \n
    • x.a
      • \n
    • \"x\".\"\"\nDependencies:\n
        \n
      • Join: x (4347985296)\nContext:\ny:\nOn: x.a = y.a\nProjections:\nDependencies:
        • \n
      • \n
    • Scan: x (4347983136)\nContext:\n Source: x AS x\nProjections:
      • \n
    • Scan: y (4343416624)\nContext:\n Source: y AS y\nProjections:
      • \n
    • \n
\n\n
Arguments:
\n\n
    \n
  • expression: the expression to build the DAG from.
    • \n
  • ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.
    • \n
\n\n
Returns:
\n\n
\n

A Step DAG corresponding to expression.

\n
\n", "signature": "(\tcls,\texpression: sqlglot.expressions.Expression,\tctes: Optional[Dict[str, sqlglot.planner.Step]] = None) -> sqlglot.planner.Step:", "funcdef": "def"}, "sqlglot.schema.Schema": {"fullname": "sqlglot.schema.Schema", "modulename": "sqlglot.schema", "qualname": "Schema", "kind": "class", "doc": "

Abstract base class for database schemas

\n", "bases": "abc.ABC"}, "sqlglot.schema.Schema.add_table": {"fullname": "sqlglot.schema.Schema.add_table", "modulename": "sqlglot.schema", "qualname": "Schema.add_table", "kind": "function", "doc": "

Register or update a table. Some implementing classes may require column information to also be provided.

\n\n
Arguments:
\n\n
    \n
  • table: table expression instance or string representing the table.
    • \n
  • column_mapping: a column mapping that describes the structure of the table.
    • \n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tcolumn_mapping: Union[Dict, str, sqlglot.dataframe.sql.types.StructType, List, NoneType] = None) -> None:", "funcdef": "def"}, "sqlglot.schema.Schema.column_names": {"fullname": "sqlglot.schema.Schema.column_names", "modulename": "sqlglot.schema", "qualname": "Schema.column_names", "kind": "function", "doc": "

Get the column names for a table.

\n\n
Arguments:
\n\n
    \n
  • table: the Table expression instance.
    • \n
  • only_visible: whether to include invisible columns.
    • \n
\n\n
Returns:
\n\n
\n

The list of column names.

\n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tonly_visible: bool = False) -> List[str]:", "funcdef": "def"}, "sqlglot.schema.Schema.get_column_type": {"fullname": "sqlglot.schema.Schema.get_column_type", "modulename": "sqlglot.schema", "qualname": "Schema.get_column_type", "kind": "function", "doc": "

Get the sqlglot.exp.DataType type of a column in the schema.

\n\n
Arguments:
\n\n
    \n
  • table: the source table.
    • \n
  • column: the target column.
    • \n
\n\n
Returns:
\n\n
\n

The resulting column type.

\n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tcolumn: sqlglot.expressions.Column) -> sqlglot.expressions.DataType:", "funcdef": "def"}, "sqlglot.schema.Schema.supported_table_args": {"fullname": "sqlglot.schema.Schema.supported_table_args", "modulename": "sqlglot.schema", "qualname": "Schema.supported_table_args", "kind": "variable", "doc": "

Table arguments this schema support, e.g. (\"this\", \"db\", \"catalog\")

\n", "annotation": ": Tuple[str, ...]"}, "sqlglot.schema.AbstractMappingSchema": {"fullname": "sqlglot.schema.AbstractMappingSchema", "modulename": "sqlglot.schema", "qualname": "AbstractMappingSchema", "kind": "class", "doc": "

Abstract base class for generic types.

\n\n

A generic type is typically declared by inheriting from\nthis class parameterized with one or more type variables.\nFor example, a generic mapping type might be defined as::

\n\n

class Mapping(Generic[KT, VT]):\n def __getitem__(self, key: KT) -> VT:\n ...\n # Etc.

\n\n

This class can then be used as follows::

\n\n

def lookup_name(mapping: Mapping[KT, VT], key: KT, default: VT) -> VT:\n try:\n return mapping[key]\n except KeyError:\n return default

\n", "bases": "typing.Generic[~T]"}, "sqlglot.schema.AbstractMappingSchema.__init__": {"fullname": "sqlglot.schema.AbstractMappingSchema.__init__", "modulename": "sqlglot.schema", "qualname": "AbstractMappingSchema.__init__", "kind": "function", "doc": "

\n", "signature": "(mapping: dict | None = None)"}, "sqlglot.schema.AbstractMappingSchema.table_parts": {"fullname": "sqlglot.schema.AbstractMappingSchema.table_parts", "modulename": "sqlglot.schema", "qualname": "AbstractMappingSchema.table_parts", "kind": "function", "doc": "

\n", "signature": "(self, table: sqlglot.expressions.Table) -> List[str]:", "funcdef": "def"}, "sqlglot.schema.AbstractMappingSchema.find": {"fullname": "sqlglot.schema.AbstractMappingSchema.find", "modulename": "sqlglot.schema", "qualname": "AbstractMappingSchema.find", "kind": "function", "doc": "

\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table,\ttrie: Optional[Dict] = None,\traise_on_missing: bool = True) -> Optional[~T]:", "funcdef": "def"}, "sqlglot.schema.MappingSchema": {"fullname": "sqlglot.schema.MappingSchema", "modulename": "sqlglot.schema", "qualname": "MappingSchema", "kind": "class", "doc": "

Schema based on a nested mapping.

\n\n
Arguments:
\n\n
    \n
  • schema (dict): Mapping in one of the following forms:\n
      \n
    1. {table: {col: type}}
      2. \n
    2. {db: {table: {col: type}}}
      3. \n
    3. {catalog: {db: {table: {col: type}}}}
      4. \n
    4. None - Tables will be added later
      5. \n
    • \n
  • visible (dict): Optional mapping of which columns in the schema are visible. If not provided, all columns\nare assumed to be visible. The nesting should mirror that of the schema:\n
      \n
    1. {table: set(cols)}}
      2. \n
    2. {db: {table: set(cols)}}}
      3. \n
    3. {catalog: {db: {table: set(*cols)}}}}
      4. \n
    • \n
  • dialect (str): The dialect to be used for custom type mappings.
    • \n
\n", "bases": "sqlglot.schema.AbstractMappingSchema[typing.Dict[str, str]], Schema"}, "sqlglot.schema.MappingSchema.__init__": {"fullname": "sqlglot.schema.MappingSchema.__init__", "modulename": "sqlglot.schema", "qualname": "MappingSchema.__init__", "kind": "function", "doc": "

\n", "signature": "(\tschema: Optional[Dict] = None,\tvisible: Optional[Dict] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None)"}, "sqlglot.schema.MappingSchema.from_mapping_schema": {"fullname": "sqlglot.schema.MappingSchema.from_mapping_schema", "modulename": "sqlglot.schema", "qualname": "MappingSchema.from_mapping_schema", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tmapping_schema: sqlglot.schema.MappingSchema) -> sqlglot.schema.MappingSchema:", "funcdef": "def"}, "sqlglot.schema.MappingSchema.copy": {"fullname": "sqlglot.schema.MappingSchema.copy", "modulename": "sqlglot.schema", "qualname": "MappingSchema.copy", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> sqlglot.schema.MappingSchema:", "funcdef": "def"}, "sqlglot.schema.MappingSchema.add_table": {"fullname": "sqlglot.schema.MappingSchema.add_table", "modulename": "sqlglot.schema", "qualname": "MappingSchema.add_table", "kind": "function", "doc": "

Register or update a table. Updates are only performed if a new column mapping is provided.

\n\n
Arguments:
\n\n
    \n
  • table: the Table expression instance or string representing the table.
    • \n
  • column_mapping: a column mapping that describes the structure of the table.
    • \n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tcolumn_mapping: Union[Dict, str, sqlglot.dataframe.sql.types.StructType, List, NoneType] = None) -> None:", "funcdef": "def"}, "sqlglot.schema.MappingSchema.column_names": {"fullname": "sqlglot.schema.MappingSchema.column_names", "modulename": "sqlglot.schema", "qualname": "MappingSchema.column_names", "kind": "function", "doc": "

Get the column names for a table.

\n\n
Arguments:
\n\n
    \n
  • table: the Table expression instance.
    • \n
  • only_visible: whether to include invisible columns.
    • \n
\n\n
Returns:
\n\n
\n

The list of column names.

\n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tonly_visible: bool = False) -> List[str]:", "funcdef": "def"}, "sqlglot.schema.MappingSchema.get_column_type": {"fullname": "sqlglot.schema.MappingSchema.get_column_type", "modulename": "sqlglot.schema", "qualname": "MappingSchema.get_column_type", "kind": "function", "doc": "

Get the sqlglot.exp.DataType type of a column in the schema.

\n\n
Arguments:
\n\n
    \n
  • table: the source table.
    • \n
  • column: the target column.
    • \n
\n\n
Returns:
\n\n
\n

The resulting column type.

\n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tcolumn: sqlglot.expressions.Column | str) -> sqlglot.expressions.DataType:", "funcdef": "def"}, "sqlglot.schema.ensure_schema": {"fullname": "sqlglot.schema.ensure_schema", "modulename": "sqlglot.schema", "qualname": "ensure_schema", "kind": "function", "doc": "

\n", "signature": "(\tschema: Any,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None) -> sqlglot.schema.Schema:", "funcdef": "def"}, "sqlglot.schema.ensure_column_mapping": {"fullname": "sqlglot.schema.ensure_column_mapping", "modulename": "sqlglot.schema", "qualname": "ensure_column_mapping", "kind": "function", "doc": "

\n", "signature": "(\tmapping: Union[Dict, str, sqlglot.dataframe.sql.types.StructType, List, NoneType]) -> Dict:", "funcdef": "def"}, "sqlglot.schema.flatten_schema": {"fullname": "sqlglot.schema.flatten_schema", "modulename": "sqlglot.schema", "qualname": "flatten_schema", "kind": "function", "doc": "

\n", "signature": "(\tschema: Dict,\tdepth: int,\tkeys: Optional[List[str]] = None) -> List[List[str]]:", "funcdef": "def"}, "sqlglot.serde": {"fullname": "sqlglot.serde", "modulename": "sqlglot.serde", "kind": "module", "doc": "

\n"}, "sqlglot.serde.dump": {"fullname": "sqlglot.serde.dump", "modulename": "sqlglot.serde", "qualname": "dump", "kind": "function", "doc": "

Recursively dump an AST into a JSON-serializable dict.

\n", "signature": "(\tnode: Union[List[ForwardRef('Node')], sqlglot.expressions.DataType.Type, sqlglot.expressions.Expression, dict, list, str, float, int, bool]) -> Union[dict, list, str, float, int, bool]:", "funcdef": "def"}, "sqlglot.serde.load": {"fullname": "sqlglot.serde.load", "modulename": "sqlglot.serde", "qualname": "load", "kind": "function", "doc": "

Recursively load a dict (as returned by dump) into an AST.

\n", "signature": "(\tobj: Union[dict, list, str, float, int, bool]) -> Union[List[ForwardRef('Node')], sqlglot.expressions.DataType.Type, sqlglot.expressions.Expression, dict, list, str, float, int, bool]:", "funcdef": "def"}, "sqlglot.time": {"fullname": "sqlglot.time", "modulename": "sqlglot.time", "kind": "module", "doc": "

\n"}, "sqlglot.time.format_time": {"fullname": "sqlglot.time.format_time", "modulename": "sqlglot.time", "qualname": "format_time", "kind": "function", "doc": "

Converts a time string given a mapping.

\n\n
Examples:
\n\n
\n
\n
>>> format_time("%Y", {"%Y": "YYYY"})\n'YYYY'\n
\n
\n \n

Args:\n mapping: dictionary of time format to target time format.\n trie: optional trie, can be passed in for performance.

\n \n

Returns:\n The converted time string.

\n
\n", "signature": "(\tstring: str,\tmapping: Dict[str, str],\ttrie: Optional[Dict] = None) -> Optional[str]:", "funcdef": "def"}, "sqlglot.tokens": {"fullname": "sqlglot.tokens", "modulename": "sqlglot.tokens", "kind": "module", "doc": "

\n"}, "sqlglot.tokens.TokenType": {"fullname": "sqlglot.tokens.TokenType", "modulename": "sqlglot.tokens", "qualname": "TokenType", "kind": "class", "doc": "

An enumeration.

\n", "bases": "sqlglot.helper.AutoName"}, "sqlglot.tokens.TokenType.L_PAREN": {"fullname": "sqlglot.tokens.TokenType.L_PAREN", "modulename": "sqlglot.tokens", "qualname": "TokenType.L_PAREN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.L_PAREN: 'L_PAREN'>"}, "sqlglot.tokens.TokenType.R_PAREN": {"fullname": "sqlglot.tokens.TokenType.R_PAREN", "modulename": "sqlglot.tokens", "qualname": "TokenType.R_PAREN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.R_PAREN: 'R_PAREN'>"}, "sqlglot.tokens.TokenType.L_BRACKET": {"fullname": "sqlglot.tokens.TokenType.L_BRACKET", "modulename": "sqlglot.tokens", "qualname": "TokenType.L_BRACKET", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.L_BRACKET: 'L_BRACKET'>"}, "sqlglot.tokens.TokenType.R_BRACKET": {"fullname": "sqlglot.tokens.TokenType.R_BRACKET", "modulename": "sqlglot.tokens", "qualname": "TokenType.R_BRACKET", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.R_BRACKET: 'R_BRACKET'>"}, "sqlglot.tokens.TokenType.L_BRACE": {"fullname": "sqlglot.tokens.TokenType.L_BRACE", "modulename": "sqlglot.tokens", "qualname": "TokenType.L_BRACE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.L_BRACE: 'L_BRACE'>"}, "sqlglot.tokens.TokenType.R_BRACE": {"fullname": "sqlglot.tokens.TokenType.R_BRACE", "modulename": "sqlglot.tokens", "qualname": "TokenType.R_BRACE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.R_BRACE: 'R_BRACE'>"}, "sqlglot.tokens.TokenType.COMMA": {"fullname": "sqlglot.tokens.TokenType.COMMA", "modulename": "sqlglot.tokens", "qualname": "TokenType.COMMA", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.COMMA: 'COMMA'>"}, "sqlglot.tokens.TokenType.DOT": {"fullname": "sqlglot.tokens.TokenType.DOT", "modulename": "sqlglot.tokens", "qualname": "TokenType.DOT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DOT: 'DOT'>"}, "sqlglot.tokens.TokenType.DASH": {"fullname": "sqlglot.tokens.TokenType.DASH", "modulename": "sqlglot.tokens", "qualname": "TokenType.DASH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DASH: 'DASH'>"}, "sqlglot.tokens.TokenType.PLUS": {"fullname": "sqlglot.tokens.TokenType.PLUS", "modulename": "sqlglot.tokens", "qualname": "TokenType.PLUS", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PLUS: 'PLUS'>"}, "sqlglot.tokens.TokenType.COLON": {"fullname": "sqlglot.tokens.TokenType.COLON", "modulename": "sqlglot.tokens", "qualname": "TokenType.COLON", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.COLON: 'COLON'>"}, "sqlglot.tokens.TokenType.DCOLON": {"fullname": "sqlglot.tokens.TokenType.DCOLON", "modulename": "sqlglot.tokens", "qualname": "TokenType.DCOLON", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DCOLON: 'DCOLON'>"}, "sqlglot.tokens.TokenType.SEMICOLON": {"fullname": "sqlglot.tokens.TokenType.SEMICOLON", "modulename": "sqlglot.tokens", "qualname": "TokenType.SEMICOLON", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SEMICOLON: 'SEMICOLON'>"}, "sqlglot.tokens.TokenType.STAR": {"fullname": "sqlglot.tokens.TokenType.STAR", "modulename": "sqlglot.tokens", "qualname": "TokenType.STAR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.STAR: 'STAR'>"}, "sqlglot.tokens.TokenType.BACKSLASH": {"fullname": "sqlglot.tokens.TokenType.BACKSLASH", "modulename": "sqlglot.tokens", "qualname": "TokenType.BACKSLASH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BACKSLASH: 'BACKSLASH'>"}, "sqlglot.tokens.TokenType.SLASH": {"fullname": "sqlglot.tokens.TokenType.SLASH", "modulename": "sqlglot.tokens", "qualname": "TokenType.SLASH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SLASH: 'SLASH'>"}, "sqlglot.tokens.TokenType.LT": {"fullname": "sqlglot.tokens.TokenType.LT", "modulename": "sqlglot.tokens", "qualname": "TokenType.LT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LT: 'LT'>"}, "sqlglot.tokens.TokenType.LTE": {"fullname": "sqlglot.tokens.TokenType.LTE", "modulename": "sqlglot.tokens", "qualname": "TokenType.LTE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LTE: 'LTE'>"}, "sqlglot.tokens.TokenType.GT": {"fullname": "sqlglot.tokens.TokenType.GT", "modulename": "sqlglot.tokens", "qualname": "TokenType.GT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.GT: 'GT'>"}, "sqlglot.tokens.TokenType.GTE": {"fullname": "sqlglot.tokens.TokenType.GTE", "modulename": "sqlglot.tokens", "qualname": "TokenType.GTE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.GTE: 'GTE'>"}, "sqlglot.tokens.TokenType.NOT": {"fullname": "sqlglot.tokens.TokenType.NOT", "modulename": "sqlglot.tokens", "qualname": "TokenType.NOT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NOT: 'NOT'>"}, "sqlglot.tokens.TokenType.EQ": {"fullname": "sqlglot.tokens.TokenType.EQ", "modulename": "sqlglot.tokens", "qualname": "TokenType.EQ", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.EQ: 'EQ'>"}, "sqlglot.tokens.TokenType.NEQ": {"fullname": "sqlglot.tokens.TokenType.NEQ", "modulename": "sqlglot.tokens", "qualname": "TokenType.NEQ", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NEQ: 'NEQ'>"}, "sqlglot.tokens.TokenType.NULLSAFE_EQ": {"fullname": "sqlglot.tokens.TokenType.NULLSAFE_EQ", "modulename": "sqlglot.tokens", "qualname": "TokenType.NULLSAFE_EQ", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NULLSAFE_EQ: 'NULLSAFE_EQ'>"}, "sqlglot.tokens.TokenType.AND": {"fullname": "sqlglot.tokens.TokenType.AND", "modulename": "sqlglot.tokens", "qualname": "TokenType.AND", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.AND: 'AND'>"}, "sqlglot.tokens.TokenType.OR": {"fullname": "sqlglot.tokens.TokenType.OR", "modulename": "sqlglot.tokens", "qualname": "TokenType.OR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.OR: 'OR'>"}, "sqlglot.tokens.TokenType.AMP": {"fullname": "sqlglot.tokens.TokenType.AMP", "modulename": "sqlglot.tokens", "qualname": "TokenType.AMP", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.AMP: 'AMP'>"}, "sqlglot.tokens.TokenType.DPIPE": {"fullname": "sqlglot.tokens.TokenType.DPIPE", "modulename": "sqlglot.tokens", "qualname": "TokenType.DPIPE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DPIPE: 'DPIPE'>"}, "sqlglot.tokens.TokenType.PIPE": {"fullname": "sqlglot.tokens.TokenType.PIPE", "modulename": "sqlglot.tokens", "qualname": "TokenType.PIPE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PIPE: 'PIPE'>"}, "sqlglot.tokens.TokenType.CARET": {"fullname": "sqlglot.tokens.TokenType.CARET", "modulename": "sqlglot.tokens", "qualname": "TokenType.CARET", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.CARET: 'CARET'>"}, "sqlglot.tokens.TokenType.TILDA": {"fullname": "sqlglot.tokens.TokenType.TILDA", "modulename": "sqlglot.tokens", "qualname": "TokenType.TILDA", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TILDA: 'TILDA'>"}, "sqlglot.tokens.TokenType.ARROW": {"fullname": "sqlglot.tokens.TokenType.ARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.ARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.ARROW: 'ARROW'>"}, "sqlglot.tokens.TokenType.DARROW": {"fullname": "sqlglot.tokens.TokenType.DARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.DARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DARROW: 'DARROW'>"}, "sqlglot.tokens.TokenType.FARROW": {"fullname": "sqlglot.tokens.TokenType.FARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.FARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.FARROW: 'FARROW'>"}, "sqlglot.tokens.TokenType.HASH": {"fullname": "sqlglot.tokens.TokenType.HASH", "modulename": "sqlglot.tokens", "qualname": "TokenType.HASH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.HASH: 'HASH'>"}, "sqlglot.tokens.TokenType.HASH_ARROW": {"fullname": "sqlglot.tokens.TokenType.HASH_ARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.HASH_ARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.HASH_ARROW: 'HASH_ARROW'>"}, "sqlglot.tokens.TokenType.DHASH_ARROW": {"fullname": "sqlglot.tokens.TokenType.DHASH_ARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.DHASH_ARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DHASH_ARROW: 'DHASH_ARROW'>"}, "sqlglot.tokens.TokenType.LR_ARROW": {"fullname": "sqlglot.tokens.TokenType.LR_ARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.LR_ARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LR_ARROW: 'LR_ARROW'>"}, "sqlglot.tokens.TokenType.LT_AT": {"fullname": "sqlglot.tokens.TokenType.LT_AT", "modulename": "sqlglot.tokens", "qualname": "TokenType.LT_AT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LT_AT: 'LT_AT'>"}, "sqlglot.tokens.TokenType.AT_GT": {"fullname": "sqlglot.tokens.TokenType.AT_GT", "modulename": "sqlglot.tokens", "qualname": "TokenType.AT_GT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.AT_GT: 'AT_GT'>"}, "sqlglot.tokens.TokenType.DOLLAR": {"fullname": "sqlglot.tokens.TokenType.DOLLAR", "modulename": "sqlglot.tokens", "qualname": "TokenType.DOLLAR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DOLLAR: 'DOLLAR'>"}, "sqlglot.tokens.TokenType.PARAMETER": {"fullname": "sqlglot.tokens.TokenType.PARAMETER", "modulename": "sqlglot.tokens", "qualname": "TokenType.PARAMETER", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PARAMETER: 'PARAMETER'>"}, "sqlglot.tokens.TokenType.SESSION_PARAMETER": {"fullname": "sqlglot.tokens.TokenType.SESSION_PARAMETER", "modulename": "sqlglot.tokens", "qualname": "TokenType.SESSION_PARAMETER", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SESSION_PARAMETER: 'SESSION_PARAMETER'>"}, "sqlglot.tokens.TokenType.NATIONAL": {"fullname": "sqlglot.tokens.TokenType.NATIONAL", "modulename": "sqlglot.tokens", "qualname": "TokenType.NATIONAL", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NATIONAL: 'NATIONAL'>"}, "sqlglot.tokens.TokenType.DAMP": {"fullname": "sqlglot.tokens.TokenType.DAMP", "modulename": "sqlglot.tokens", "qualname": "TokenType.DAMP", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DAMP: 'DAMP'>"}, "sqlglot.tokens.TokenType.BLOCK_START": {"fullname": "sqlglot.tokens.TokenType.BLOCK_START", "modulename": "sqlglot.tokens", "qualname": "TokenType.BLOCK_START", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BLOCK_START: 'BLOCK_START'>"}, "sqlglot.tokens.TokenType.BLOCK_END": {"fullname": "sqlglot.tokens.TokenType.BLOCK_END", "modulename": "sqlglot.tokens", "qualname": "TokenType.BLOCK_END", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BLOCK_END: 'BLOCK_END'>"}, "sqlglot.tokens.TokenType.SPACE": {"fullname": "sqlglot.tokens.TokenType.SPACE", "modulename": "sqlglot.tokens", "qualname": "TokenType.SPACE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SPACE: 'SPACE'>"}, "sqlglot.tokens.TokenType.BREAK": {"fullname": "sqlglot.tokens.TokenType.BREAK", "modulename": "sqlglot.tokens", "qualname": "TokenType.BREAK", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BREAK: 'BREAK'>"}, "sqlglot.tokens.TokenType.STRING": {"fullname": "sqlglot.tokens.TokenType.STRING", "modulename": "sqlglot.tokens", "qualname": "TokenType.STRING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.STRING: 'STRING'>"}, "sqlglot.tokens.TokenType.NUMBER": {"fullname": "sqlglot.tokens.TokenType.NUMBER", "modulename": "sqlglot.tokens", "qualname": "TokenType.NUMBER", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NUMBER: 'NUMBER'>"}, "sqlglot.tokens.TokenType.IDENTIFIER": {"fullname": "sqlglot.tokens.TokenType.IDENTIFIER", "modulename": "sqlglot.tokens", "qualname": "TokenType.IDENTIFIER", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.IDENTIFIER: 'IDENTIFIER'>"}, "sqlglot.tokens.TokenType.DATABASE": {"fullname": "sqlglot.tokens.TokenType.DATABASE", "modulename": "sqlglot.tokens", "qualname": "TokenType.DATABASE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DATABASE: 'DATABASE'>"}, "sqlglot.tokens.TokenType.COLUMN": {"fullname": "sqlglot.tokens.TokenType.COLUMN", "modulename": "sqlglot.tokens", "qualname": "TokenType.COLUMN", "kind": "variable", "doc": "

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\n", "default_value": "<TokenType.PARTITION: 'PARTITION'>"}, "sqlglot.tokens.TokenType.PARTITION_BY": {"fullname": "sqlglot.tokens.TokenType.PARTITION_BY", "modulename": "sqlglot.tokens", "qualname": "TokenType.PARTITION_BY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PARTITION_BY: 'PARTITION_BY'>"}, "sqlglot.tokens.TokenType.PERCENT": {"fullname": "sqlglot.tokens.TokenType.PERCENT", "modulename": "sqlglot.tokens", "qualname": "TokenType.PERCENT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PERCENT: 'PERCENT'>"}, "sqlglot.tokens.TokenType.PIVOT": {"fullname": "sqlglot.tokens.TokenType.PIVOT", "modulename": "sqlglot.tokens", "qualname": "TokenType.PIVOT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PIVOT: 'PIVOT'>"}, "sqlglot.tokens.TokenType.PLACEHOLDER": {"fullname": "sqlglot.tokens.TokenType.PLACEHOLDER", "modulename": "sqlglot.tokens", "qualname": "TokenType.PLACEHOLDER", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PLACEHOLDER: 'PLACEHOLDER'>"}, "sqlglot.tokens.TokenType.PRAGMA": {"fullname": "sqlglot.tokens.TokenType.PRAGMA", "modulename": "sqlglot.tokens", "qualname": "TokenType.PRAGMA", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PRAGMA: 'PRAGMA'>"}, "sqlglot.tokens.TokenType.PRECEDING": {"fullname": "sqlglot.tokens.TokenType.PRECEDING", "modulename": "sqlglot.tokens", "qualname": "TokenType.PRECEDING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PRECEDING: 'PRECEDING'>"}, "sqlglot.tokens.TokenType.PRIMARY_KEY": {"fullname": "sqlglot.tokens.TokenType.PRIMARY_KEY", "modulename": "sqlglot.tokens", "qualname": "TokenType.PRIMARY_KEY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>"}, "sqlglot.tokens.TokenType.PROCEDURE": {"fullname": "sqlglot.tokens.TokenType.PROCEDURE", "modulename": "sqlglot.tokens", "qualname": "TokenType.PROCEDURE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PROCEDURE: 'PROCEDURE'>"}, "sqlglot.tokens.TokenType.PROPERTIES": {"fullname": "sqlglot.tokens.TokenType.PROPERTIES", "modulename": "sqlglot.tokens", "qualname": "TokenType.PROPERTIES", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PROPERTIES: 'PROPERTIES'>"}, "sqlglot.tokens.TokenType.PSEUDO_TYPE": {"fullname": "sqlglot.tokens.TokenType.PSEUDO_TYPE", "modulename": "sqlglot.tokens", "qualname": "TokenType.PSEUDO_TYPE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>"}, "sqlglot.tokens.TokenType.QUALIFY": {"fullname": "sqlglot.tokens.TokenType.QUALIFY", "modulename": "sqlglot.tokens", "qualname": "TokenType.QUALIFY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.QUALIFY: 'QUALIFY'>"}, "sqlglot.tokens.TokenType.QUOTE": {"fullname": "sqlglot.tokens.TokenType.QUOTE", "modulename": "sqlglot.tokens", "qualname": "TokenType.QUOTE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.QUOTE: 'QUOTE'>"}, "sqlglot.tokens.TokenType.RANGE": {"fullname": "sqlglot.tokens.TokenType.RANGE", "modulename": "sqlglot.tokens", "qualname": "TokenType.RANGE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.RANGE: 'RANGE'>"}, "sqlglot.tokens.TokenType.RECURSIVE": {"fullname": "sqlglot.tokens.TokenType.RECURSIVE", "modulename": "sqlglot.tokens", "qualname": "TokenType.RECURSIVE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.RECURSIVE: 'RECURSIVE'>"}, "sqlglot.tokens.TokenType.REPLACE": {"fullname": "sqlglot.tokens.TokenType.REPLACE", "modulename": "sqlglot.tokens", "qualname": "TokenType.REPLACE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.REPLACE: 'REPLACE'>"}, "sqlglot.tokens.TokenType.RESPECT_NULLS": {"fullname": "sqlglot.tokens.TokenType.RESPECT_NULLS", "modulename": "sqlglot.tokens", "qualname": "TokenType.RESPECT_NULLS", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.RESPECT_NULLS: 'RESPECT_NULLS'>"}, "sqlglot.tokens.TokenType.RETURNING": {"fullname": "sqlglot.tokens.TokenType.RETURNING", "modulename": "sqlglot.tokens", "qualname": "TokenType.RETURNING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.RETURNING: 'RETURNING'>"}, "sqlglot.tokens.TokenType.REFERENCES": {"fullname": "sqlglot.tokens.TokenType.REFERENCES", "modulename": "sqlglot.tokens", "qualname": "TokenType.REFERENCES", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.REFERENCES: 'REFERENCES'>"}, "sqlglot.tokens.TokenType.RIGHT": {"fullname": "sqlglot.tokens.TokenType.RIGHT", "modulename": "sqlglot.tokens", "qualname": "TokenType.RIGHT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.RIGHT: 'RIGHT'>"}, "sqlglot.tokens.TokenType.RLIKE": {"fullname": "sqlglot.tokens.TokenType.RLIKE", "modulename": "sqlglot.tokens", "qualname": "TokenType.RLIKE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.RLIKE: 'RLIKE'>"}, "sqlglot.tokens.TokenType.ROLLBACK": {"fullname": "sqlglot.tokens.TokenType.ROLLBACK", "modulename": "sqlglot.tokens", "qualname": "TokenType.ROLLBACK", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.ROLLBACK: 'ROLLBACK'>"}, "sqlglot.tokens.TokenType.ROLLUP": {"fullname": "sqlglot.tokens.TokenType.ROLLUP", "modulename": "sqlglot.tokens", "qualname": "TokenType.ROLLUP", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.ROLLUP: 'ROLLUP'>"}, "sqlglot.tokens.TokenType.ROW": {"fullname": "sqlglot.tokens.TokenType.ROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.ROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.ROW: 'ROW'>"}, "sqlglot.tokens.TokenType.ROWS": {"fullname": "sqlglot.tokens.TokenType.ROWS", "modulename": "sqlglot.tokens", "qualname": "TokenType.ROWS", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.ROWS: 'ROWS'>"}, "sqlglot.tokens.TokenType.SEED": {"fullname": "sqlglot.tokens.TokenType.SEED", "modulename": "sqlglot.tokens", "qualname": "TokenType.SEED", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SEED: 'SEED'>"}, "sqlglot.tokens.TokenType.SELECT": {"fullname": "sqlglot.tokens.TokenType.SELECT", "modulename": "sqlglot.tokens", "qualname": "TokenType.SELECT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SELECT: 'SELECT'>"}, "sqlglot.tokens.TokenType.SEMI": {"fullname": "sqlglot.tokens.TokenType.SEMI", "modulename": "sqlglot.tokens", "qualname": "TokenType.SEMI", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SEMI: 'SEMI'>"}, "sqlglot.tokens.TokenType.SEPARATOR": {"fullname": "sqlglot.tokens.TokenType.SEPARATOR", "modulename": "sqlglot.tokens", "qualname": "TokenType.SEPARATOR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SEPARATOR: 'SEPARATOR'>"}, "sqlglot.tokens.TokenType.SERDE_PROPERTIES": {"fullname": "sqlglot.tokens.TokenType.SERDE_PROPERTIES", "modulename": "sqlglot.tokens", "qualname": "TokenType.SERDE_PROPERTIES", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SERDE_PROPERTIES: 'SERDE_PROPERTIES'>"}, "sqlglot.tokens.TokenType.SET": {"fullname": "sqlglot.tokens.TokenType.SET", "modulename": "sqlglot.tokens", "qualname": "TokenType.SET", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SET: 'SET'>"}, "sqlglot.tokens.TokenType.SHOW": {"fullname": "sqlglot.tokens.TokenType.SHOW", "modulename": "sqlglot.tokens", "qualname": "TokenType.SHOW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SHOW: 'SHOW'>"}, "sqlglot.tokens.TokenType.SIMILAR_TO": {"fullname": "sqlglot.tokens.TokenType.SIMILAR_TO", "modulename": "sqlglot.tokens", "qualname": "TokenType.SIMILAR_TO", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SIMILAR_TO: 'SIMILAR_TO'>"}, "sqlglot.tokens.TokenType.SOME": {"fullname": "sqlglot.tokens.TokenType.SOME", "modulename": "sqlglot.tokens", "qualname": "TokenType.SOME", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SOME: 'SOME'>"}, "sqlglot.tokens.TokenType.SORTKEY": {"fullname": "sqlglot.tokens.TokenType.SORTKEY", "modulename": "sqlglot.tokens", "qualname": "TokenType.SORTKEY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SORTKEY: 'SORTKEY'>"}, "sqlglot.tokens.TokenType.SORT_BY": {"fullname": "sqlglot.tokens.TokenType.SORT_BY", "modulename": "sqlglot.tokens", "qualname": "TokenType.SORT_BY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SORT_BY: 'SORT_BY'>"}, "sqlglot.tokens.TokenType.STRUCT": {"fullname": "sqlglot.tokens.TokenType.STRUCT", "modulename": "sqlglot.tokens", "qualname": "TokenType.STRUCT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.STRUCT: 'STRUCT'>"}, "sqlglot.tokens.TokenType.TABLE_SAMPLE": {"fullname": "sqlglot.tokens.TokenType.TABLE_SAMPLE", "modulename": "sqlglot.tokens", "qualname": "TokenType.TABLE_SAMPLE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TABLE_SAMPLE: 'TABLE_SAMPLE'>"}, "sqlglot.tokens.TokenType.TEMPORARY": {"fullname": "sqlglot.tokens.TokenType.TEMPORARY", "modulename": "sqlglot.tokens", "qualname": "TokenType.TEMPORARY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TEMPORARY: 'TEMPORARY'>"}, "sqlglot.tokens.TokenType.TOP": {"fullname": "sqlglot.tokens.TokenType.TOP", "modulename": "sqlglot.tokens", "qualname": "TokenType.TOP", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TOP: 'TOP'>"}, "sqlglot.tokens.TokenType.THEN": {"fullname": "sqlglot.tokens.TokenType.THEN", "modulename": "sqlglot.tokens", "qualname": "TokenType.THEN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.THEN: 'THEN'>"}, "sqlglot.tokens.TokenType.TRAILING": {"fullname": "sqlglot.tokens.TokenType.TRAILING", "modulename": "sqlglot.tokens", "qualname": "TokenType.TRAILING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TRAILING: 'TRAILING'>"}, "sqlglot.tokens.TokenType.TRUE": {"fullname": "sqlglot.tokens.TokenType.TRUE", "modulename": "sqlglot.tokens", "qualname": "TokenType.TRUE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TRUE: 'TRUE'>"}, "sqlglot.tokens.TokenType.UNBOUNDED": {"fullname": "sqlglot.tokens.TokenType.UNBOUNDED", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNBOUNDED", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNBOUNDED: 'UNBOUNDED'>"}, "sqlglot.tokens.TokenType.UNCACHE": {"fullname": "sqlglot.tokens.TokenType.UNCACHE", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNCACHE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNCACHE: 'UNCACHE'>"}, "sqlglot.tokens.TokenType.UNION": {"fullname": "sqlglot.tokens.TokenType.UNION", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNION", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNION: 'UNION'>"}, "sqlglot.tokens.TokenType.UNLOGGED": {"fullname": "sqlglot.tokens.TokenType.UNLOGGED", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNLOGGED", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNLOGGED: 'UNLOGGED'>"}, "sqlglot.tokens.TokenType.UNNEST": {"fullname": "sqlglot.tokens.TokenType.UNNEST", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNNEST", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNNEST: 'UNNEST'>"}, "sqlglot.tokens.TokenType.UNPIVOT": {"fullname": "sqlglot.tokens.TokenType.UNPIVOT", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNPIVOT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNPIVOT: 'UNPIVOT'>"}, "sqlglot.tokens.TokenType.UPDATE": {"fullname": "sqlglot.tokens.TokenType.UPDATE", "modulename": "sqlglot.tokens", "qualname": "TokenType.UPDATE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UPDATE: 'UPDATE'>"}, "sqlglot.tokens.TokenType.USE": {"fullname": "sqlglot.tokens.TokenType.USE", "modulename": "sqlglot.tokens", "qualname": "TokenType.USE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.USE: 'USE'>"}, "sqlglot.tokens.TokenType.USING": {"fullname": "sqlglot.tokens.TokenType.USING", "modulename": "sqlglot.tokens", "qualname": "TokenType.USING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.USING: 'USING'>"}, "sqlglot.tokens.TokenType.VALUES": {"fullname": "sqlglot.tokens.TokenType.VALUES", "modulename": "sqlglot.tokens", "qualname": "TokenType.VALUES", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.VALUES: 'VALUES'>"}, "sqlglot.tokens.TokenType.VIEW": {"fullname": "sqlglot.tokens.TokenType.VIEW", "modulename": "sqlglot.tokens", "qualname": "TokenType.VIEW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.VIEW: 'VIEW'>"}, "sqlglot.tokens.TokenType.VOLATILE": {"fullname": "sqlglot.tokens.TokenType.VOLATILE", "modulename": "sqlglot.tokens", "qualname": "TokenType.VOLATILE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.VOLATILE: 'VOLATILE'>"}, "sqlglot.tokens.TokenType.WHEN": {"fullname": "sqlglot.tokens.TokenType.WHEN", "modulename": "sqlglot.tokens", "qualname": "TokenType.WHEN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WHEN: 'WHEN'>"}, "sqlglot.tokens.TokenType.WHERE": {"fullname": "sqlglot.tokens.TokenType.WHERE", "modulename": "sqlglot.tokens", "qualname": "TokenType.WHERE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WHERE: 'WHERE'>"}, "sqlglot.tokens.TokenType.WINDOW": {"fullname": "sqlglot.tokens.TokenType.WINDOW", "modulename": "sqlglot.tokens", "qualname": "TokenType.WINDOW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WINDOW: 'WINDOW'>"}, "sqlglot.tokens.TokenType.WITH": {"fullname": "sqlglot.tokens.TokenType.WITH", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITH: 'WITH'>"}, "sqlglot.tokens.TokenType.WITH_TIME_ZONE": {"fullname": "sqlglot.tokens.TokenType.WITH_TIME_ZONE", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITH_TIME_ZONE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITH_TIME_ZONE: 'WITH_TIME_ZONE'>"}, "sqlglot.tokens.TokenType.WITH_LOCAL_TIME_ZONE": {"fullname": "sqlglot.tokens.TokenType.WITH_LOCAL_TIME_ZONE", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITH_LOCAL_TIME_ZONE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITH_LOCAL_TIME_ZONE: 'WITH_LOCAL_TIME_ZONE'>"}, "sqlglot.tokens.TokenType.WITHIN_GROUP": {"fullname": "sqlglot.tokens.TokenType.WITHIN_GROUP", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITHIN_GROUP", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITHIN_GROUP: 'WITHIN_GROUP'>"}, "sqlglot.tokens.TokenType.WITHOUT_TIME_ZONE": {"fullname": "sqlglot.tokens.TokenType.WITHOUT_TIME_ZONE", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITHOUT_TIME_ZONE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITHOUT_TIME_ZONE: 'WITHOUT_TIME_ZONE'>"}, "sqlglot.tokens.TokenType.UNIQUE": {"fullname": "sqlglot.tokens.TokenType.UNIQUE", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNIQUE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNIQUE: 'UNIQUE'>"}, "sqlglot.tokens.Token": {"fullname": "sqlglot.tokens.Token", "modulename": "sqlglot.tokens", "qualname": "Token", "kind": "class", "doc": "

\n"}, "sqlglot.tokens.Token.__init__": {"fullname": "sqlglot.tokens.Token.__init__", "modulename": "sqlglot.tokens", "qualname": "Token.__init__", "kind": "function", "doc": "

\n", "signature": "(\ttoken_type: sqlglot.tokens.TokenType,\ttext: str,\tline: int = 1,\tcol: int = 1,\tend: int = 0,\tcomments: List[str] = [])"}, "sqlglot.tokens.Token.number": {"fullname": "sqlglot.tokens.Token.number", "modulename": "sqlglot.tokens", "qualname": "Token.number", "kind": "function", "doc": "

Returns a NUMBER token with number as its text.

\n", "signature": "(cls, number: int) -> sqlglot.tokens.Token:", "funcdef": "def"}, "sqlglot.tokens.Token.string": {"fullname": "sqlglot.tokens.Token.string", "modulename": "sqlglot.tokens", "qualname": "Token.string", "kind": "function", "doc": "

Returns a STRING token with string as its text.

\n", "signature": "(cls, string: str) -> sqlglot.tokens.Token:", "funcdef": "def"}, "sqlglot.tokens.Token.identifier": {"fullname": "sqlglot.tokens.Token.identifier", "modulename": "sqlglot.tokens", "qualname": "Token.identifier", "kind": "function", "doc": "

Returns an IDENTIFIER token with identifier as its text.

\n", "signature": "(cls, identifier: str) -> sqlglot.tokens.Token:", "funcdef": "def"}, "sqlglot.tokens.Token.var": {"fullname": "sqlglot.tokens.Token.var", "modulename": "sqlglot.tokens", "qualname": "Token.var", "kind": "function", "doc": "

Returns an VAR token with var as its text.

\n", "signature": "(cls, var: str) -> sqlglot.tokens.Token:", "funcdef": "def"}, "sqlglot.tokens.Token.start": {"fullname": "sqlglot.tokens.Token.start", "modulename": "sqlglot.tokens", "qualname": "Token.start", "kind": "variable", "doc": "

Returns the start of the token.

\n", "annotation": ": int"}, "sqlglot.tokens.Tokenizer": {"fullname": "sqlglot.tokens.Tokenizer", "modulename": "sqlglot.tokens", "qualname": "Tokenizer", "kind": "class", "doc": "

\n"}, "sqlglot.tokens.Tokenizer.reset": {"fullname": "sqlglot.tokens.Tokenizer.reset", "modulename": "sqlglot.tokens", "qualname": "Tokenizer.reset", "kind": "function", "doc": "

\n", "signature": "(self) -> None:", "funcdef": "def"}, "sqlglot.tokens.Tokenizer.tokenize": {"fullname": "sqlglot.tokens.Tokenizer.tokenize", "modulename": "sqlglot.tokens", "qualname": "Tokenizer.tokenize", "kind": "function", "doc": "

Returns a list of tokens corresponding to the SQL string sql.

\n", "signature": "(self, sql: str) -> List[sqlglot.tokens.Token]:", "funcdef": "def"}, "sqlglot.transforms": {"fullname": "sqlglot.transforms", "modulename": "sqlglot.transforms", "kind": "module", "doc": "

\n"}, "sqlglot.transforms.unalias_group": {"fullname": "sqlglot.transforms.unalias_group", "modulename": "sqlglot.transforms", "qualname": "unalias_group", "kind": "function", "doc": "

Replace references to select aliases in GROUP BY clauses.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT a AS b FROM x GROUP BY b").transform(unalias_group).sql()\n'SELECT a AS b FROM x GROUP BY 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: the expression that will be transformed.
    • \n
\n\n
Returns:
\n\n
\n

The transformed expression.

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.eliminate_distinct_on": {"fullname": "sqlglot.transforms.eliminate_distinct_on", "modulename": "sqlglot.transforms", "qualname": "eliminate_distinct_on", "kind": "function", "doc": "

Convert SELECT DISTINCT ON statements to a subquery with a window function.

\n\n

This is useful for dialects that don't support SELECT DISTINCT ON but support window functions.

\n\n
Arguments:
\n\n
    \n
  • expression: the expression that will be transformed.
    • \n
\n\n
Returns:
\n\n
\n

The transformed expression.

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.eliminate_qualify": {"fullname": "sqlglot.transforms.eliminate_qualify", "modulename": "sqlglot.transforms", "qualname": "eliminate_qualify", "kind": "function", "doc": "

Convert SELECT statements that contain the QUALIFY clause into subqueries, filtered equivalently.

\n\n

The idea behind this transformation can be seen in Snowflake's documentation for QUALIFY:\nhttps://docs.snowflake.com/en/sql-reference/constructs/qualify

\n\n

Some dialects don't support window functions in the WHERE clause, so we need to include them as\nprojections in the subquery, in order to refer to them in the outer filter using aliases. Also,\nif a column is referenced in the QUALIFY clause but is not selected, we need to include it too,\notherwise we won't be able to refer to it in the outer query's WHERE clause.

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.remove_precision_parameterized_types": {"fullname": "sqlglot.transforms.remove_precision_parameterized_types", "modulename": "sqlglot.transforms", "qualname": "remove_precision_parameterized_types", "kind": "function", "doc": "

Some dialects only allow the precision for parameterized types to be defined in the DDL and not in\nother expressions. This transforms removes the precision from parameterized types in expressions.

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.unnest_to_explode": {"fullname": "sqlglot.transforms.unnest_to_explode", "modulename": "sqlglot.transforms", "qualname": "unnest_to_explode", "kind": "function", "doc": "

Convert cross join unnest into lateral view explode (used in presto -> hive).

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.explode_to_unnest": {"fullname": "sqlglot.transforms.explode_to_unnest", "modulename": "sqlglot.transforms", "qualname": "explode_to_unnest", "kind": "function", "doc": "

Convert explode/posexplode into unnest (used in hive -> presto).

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.remove_target_from_merge": {"fullname": "sqlglot.transforms.remove_target_from_merge", "modulename": "sqlglot.transforms", "qualname": "remove_target_from_merge", "kind": "function", "doc": "

Remove table refs from columns in when statements.

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.preprocess": {"fullname": "sqlglot.transforms.preprocess", "modulename": "sqlglot.transforms", "qualname": "preprocess", "kind": "function", "doc": "

Creates a new transform by chaining a sequence of transformations and converts the resulting\nexpression to SQL, using an appropriate Generator.TRANSFORMS function.

\n\n
Arguments:
\n\n
    \n
  • transforms: sequence of transform functions. These will be called in order.
    • \n
\n\n
Returns:
\n\n
\n

Function that can be used as a generator transform.

\n
\n", "signature": "(\ttransforms: List[Callable[[sqlglot.expressions.Expression], sqlglot.expressions.Expression]]) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:", "funcdef": "def"}, "sqlglot.trie": {"fullname": "sqlglot.trie", "modulename": "sqlglot.trie", "kind": "module", "doc": "

\n"}, "sqlglot.trie.new_trie": {"fullname": "sqlglot.trie.new_trie", "modulename": "sqlglot.trie", "qualname": "new_trie", "kind": "function", "doc": "

Creates a new trie out of a collection of keywords.

\n\n

The trie is represented as a sequence of nested dictionaries keyed by either single character\nstrings, or by 0, which is used to designate that a keyword is in the trie.

\n\n
Example:
\n\n
\n
\n
>>> new_trie(["bla", "foo", "blab"])\n{'b': {'l': {'a': {0: True, 'b': {0: True}}}}, 'f': {'o': {'o': {0: True}}}}\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • keywords: the keywords to create the trie from.
    • \n
  • trie: a trie to mutate instead of creating a new one
    • \n
\n\n
Returns:
\n\n
\n

The trie corresponding to keywords.

\n
\n", "signature": "(\tkeywords: Iterable[Sequence[Hashable]],\ttrie: Optional[Dict] = None) -> Dict:", "funcdef": "def"}, "sqlglot.trie.in_trie": {"fullname": "sqlglot.trie.in_trie", "modulename": "sqlglot.trie", "qualname": "in_trie", "kind": "function", "doc": "

Checks whether a key is in a trie.

\n\n
Examples:
\n\n
\n
\n
>>> in_trie(new_trie(["cat"]), "bob")\n(0, {'c': {'a': {'t': {0: True}}}})\n
\n
\n \n
\n
>>> in_trie(new_trie(["cat"]), "ca")\n(1, {'t': {0: True}})\n
\n
\n \n
\n
>>> in_trie(new_trie(["cat"]), "cat")\n(2, {0: True})\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • trie: the trie to be searched.
    • \n
  • key: the target key.
    • \n
\n\n
Returns:
\n\n
\n

A pair (value, subtrie), where subtrie is the sub-trie we get at the point where the search stops, and value\n is either 0 (search was unsuccessful), 1 (value is a prefix of a keyword in trie) or 2 (key is intrie`).

\n
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"bases", "doc"], "ref": "fullname", "documentStore": {"docs": {"sqlglot": {"fullname": "sqlglot", "modulename": "sqlglot", "kind": "module", "doc": "

\"SQLGlot

\n\n

SQLGlot is a no-dependency SQL parser, transpiler, optimizer, and engine. It can be used to format SQL or translate between 19 different dialects like DuckDB, Presto, Spark, Snowflake, and BigQuery. It aims to read a wide variety of SQL inputs and output syntactically correct SQL in the targeted dialects.

\n\n

It is a very comprehensive generic SQL parser with a robust test suite. It is also quite performant, while being written purely in Python.

\n\n

You can easily customize the parser, analyze queries, traverse expression trees, and programmatically build SQL.

\n\n

Syntax errors are highlighted and dialect incompatibilities can warn or raise depending on configurations. However, it should be noted that SQL validation is not SQLGlot\u2019s goal, so some syntax errors may go unnoticed.

\n\n

Contributions are very welcome in SQLGlot; read the contribution guide to get started!

\n\n

Table of Contents

\n\n\n\n

Install

\n\n

From PyPI:

\n\n
pip3 install sqlglot\n
\n\n

Or with a local checkout:

\n\n
make install\n
\n\n

Requirements for development (optional):

\n\n
make install-dev\n
\n\n

Get in Touch

\n\n

We'd love to hear from you. Join our community Slack channel!

\n\n

Examples

\n\n

Formatting and Transpiling

\n\n

Easily translate from one dialect to another. For example, date/time functions vary from dialects and can be hard to deal with:

\n\n
\n
import sqlglot\nsqlglot.transpile("SELECT EPOCH_MS(1618088028295)", read="duckdb", write="hive")[0]\n
\n
\n\n
\n
'SELECT FROM_UNIXTIME(1618088028295 / 1000)'\n
\n
\n\n

SQLGlot can even translate custom time formats:

\n\n
\n
import sqlglot\nsqlglot.transpile("SELECT STRFTIME(x, '%y-%-m-%S')", read="duckdb", write="hive")[0]\n
\n
\n\n
\n
"SELECT DATE_FORMAT(x, 'yy-M-ss')"\n
\n
\n\n

As another example, let's suppose that we want to read in a SQL query that contains a CTE and a cast to REAL, and then transpile it to Spark, which uses backticks for identifiers and FLOAT instead of REAL:

\n\n
\n
import sqlglot\n\nsql = """WITH baz AS (SELECT a, c FROM foo WHERE a = 1) SELECT f.a, b.b, baz.c, CAST("b"."a" AS REAL) d FROM foo f JOIN bar b ON f.a = b.a LEFT JOIN baz ON f.a = baz.a"""\nprint(sqlglot.transpile(sql, write="spark", identify=True, pretty=True)[0])\n
\n
\n\n
\n
WITH `baz` AS (\n  SELECT\n    `a`,\n    `c`\n  FROM `foo`\n  WHERE\n    `a` = 1\n)\nSELECT\n  `f`.`a`,\n  `b`.`b`,\n  `baz`.`c`,\n  CAST(`b`.`a` AS FLOAT) AS `d`\nFROM `foo` AS `f`\nJOIN `bar` AS `b`\n  ON `f`.`a` = `b`.`a`\nLEFT JOIN `baz`\n  ON `f`.`a` = `baz`.`a`\n
\n
\n\n

Comments are also preserved in a best-effort basis when transpiling SQL code:

\n\n
\n
sql = """\n/* multi\n   line\n   comment\n*/\nSELECT\n  tbl.cola /* comment 1 */ + tbl.colb /* comment 2 */,\n  CAST(x AS INT), # comment 3\n  y               -- comment 4\nFROM\n  bar /* comment 5 */,\n  tbl #          comment 6\n"""\n\nprint(sqlglot.transpile(sql, read='mysql', pretty=True)[0])\n
\n
\n\n
\n
/* multi\n   line\n   comment\n*/\nSELECT\n  tbl.cola /* comment 1 */ + tbl.colb /* comment 2 */,\n  CAST(x AS INT), /* comment 3 */\n  y /* comment 4 */\nFROM bar /* comment 5 */, tbl /*          comment 6 */\n
\n
\n\n

Metadata

\n\n

You can explore SQL with expression helpers to do things like find columns and tables:

\n\n
\n
from sqlglot import parse_one, exp\n\n# print all column references (a and b)\nfor column in parse_one("SELECT a, b + 1 AS c FROM d").find_all(exp.Column):\n    print(column.alias_or_name)\n\n# find all projections in select statements (a and c)\nfor select in parse_one("SELECT a, b + 1 AS c FROM d").find_all(exp.Select):\n    for projection in select.expressions:\n        print(projection.alias_or_name)\n\n# find all tables (x, y, z)\nfor table in parse_one("SELECT * FROM x JOIN y JOIN z").find_all(exp.Table):\n    print(table.name)\n
\n
\n\n

Parser Errors

\n\n

When the parser detects an error in the syntax, it raises a ParserError:

\n\n
\n
import sqlglot\nsqlglot.transpile("SELECT foo( FROM bar")\n
\n
\n\n
sqlglot.errors.ParseError: Expecting ). Line 1, Col: 13.\n  select foo( FROM bar\n              ~~~~\n
\n\n

Structured syntax errors are accessible for programmatic use:

\n\n
\n
import sqlglot\ntry:\n    sqlglot.transpile("SELECT foo( FROM bar")\nexcept sqlglot.errors.ParseError as e:\n    print(e.errors)\n
\n
\n\n
\n
[{\n  'description': 'Expecting )',\n  'line': 1,\n  'col': 13,\n  'start_context': 'SELECT foo( ',\n  'highlight': 'FROM',\n  'end_context': ' bar'\n}]\n
\n
\n\n

Unsupported Errors

\n\n

Presto APPROX_DISTINCT supports the accuracy argument which is not supported in Hive:

\n\n
\n
import sqlglot\nsqlglot.transpile("SELECT APPROX_DISTINCT(a, 0.1) FROM foo", read="presto", write="hive")\n
\n
\n\n
\n
APPROX_COUNT_DISTINCT does not support accuracy\n'SELECT APPROX_COUNT_DISTINCT(a) FROM foo'\n
\n
\n\n

Build and Modify SQL

\n\n

SQLGlot supports incrementally building sql expressions:

\n\n
\n
from sqlglot import select, condition\n\nwhere = condition("x=1").and_("y=1")\nselect("*").from_("y").where(where).sql()\n
\n
\n\n
\n
'SELECT * FROM y WHERE x = 1 AND y = 1'\n
\n
\n\n

You can also modify a parsed tree:

\n\n
\n
from sqlglot import parse_one\nparse_one("SELECT x FROM y").from_("z").sql()\n
\n
\n\n
\n
'SELECT x FROM y, z'\n
\n
\n\n

There is also a way to recursively transform the parsed tree by applying a mapping function to each tree node:

\n\n
\n
from sqlglot import exp, parse_one\n\nexpression_tree = parse_one("SELECT a FROM x")\n\ndef transformer(node):\n    if isinstance(node, exp.Column) and node.name == "a":\n        return parse_one("FUN(a)")\n    return node\n\ntransformed_tree = expression_tree.transform(transformer)\ntransformed_tree.sql()\n
\n
\n\n
\n
'SELECT FUN(a) FROM x'\n
\n
\n\n

SQL Optimizer

\n\n

SQLGlot can rewrite queries into an \"optimized\" form. It performs a variety of techniques to create a new canonical AST. This AST can be used to standardize queries or provide the foundations for implementing an actual engine. For example:

\n\n
\n
import sqlglot\nfrom sqlglot.optimizer import optimize\n\nprint(\n    optimize(\n        sqlglot.parse_one("""\n            SELECT A OR (B OR (C AND D))\n            FROM x\n            WHERE Z = date '2021-01-01' + INTERVAL '1' month OR 1 = 0\n        """),\n        schema={"x": {"A": "INT", "B": "INT", "C": "INT", "D": "INT", "Z": "STRING"}}\n    ).sql(pretty=True)\n)\n
\n
\n\n
\n
SELECT\n  (\n    "x"."a" OR "x"."b" OR "x"."c"\n  ) AND (\n    "x"."a" OR "x"."b" OR "x"."d"\n  ) AS "_col_0"\nFROM "x" AS "x"\nWHERE\n  CAST("x"."z" AS DATE) = CAST('2021-02-01' AS DATE)\n
\n
\n\n

AST Introspection

\n\n

You can see the AST version of the sql by calling repr:

\n\n
\n
from sqlglot import parse_one\nprint(repr(parse_one("SELECT a + 1 AS z")))\n
\n
\n\n
\n
(SELECT expressions:\n  (ALIAS this:\n    (ADD this:\n      (COLUMN this:\n        (IDENTIFIER this: a, quoted: False)), expression:\n      (LITERAL this: 1, is_string: False)), alias:\n    (IDENTIFIER this: z, quoted: False)))\n
\n
\n\n

AST Diff

\n\n

SQLGlot can calculate the difference between two expressions and output changes in a form of a sequence of actions needed to transform a source expression into a target one:

\n\n
\n
from sqlglot import diff, parse_one\ndiff(parse_one("SELECT a + b, c, d"), parse_one("SELECT c, a - b, d"))\n
\n
\n\n
\n
[\n  Remove(expression=(ADD this:\n    (COLUMN this:\n      (IDENTIFIER this: a, quoted: False)), expression:\n    (COLUMN this:\n      (IDENTIFIER this: b, quoted: False)))),\n  Insert(expression=(SUB this:\n    (COLUMN this:\n      (IDENTIFIER this: a, quoted: False)), expression:\n    (COLUMN this:\n      (IDENTIFIER this: b, quoted: False)))),\n  Move(expression=(COLUMN this:\n    (IDENTIFIER this: c, quoted: False))),\n  Keep(source=(IDENTIFIER this: b, quoted: False), target=(IDENTIFIER this: b, quoted: False)),\n  ...\n]\n
\n
\n\n

See also: Semantic Diff for SQL.

\n\n

Custom Dialects

\n\n

Dialects can be added by subclassing Dialect:

\n\n
\n
from sqlglot import exp\nfrom sqlglot.dialects.dialect import Dialect\nfrom sqlglot.generator import Generator\nfrom sqlglot.tokens import Tokenizer, TokenType\n\n\nclass Custom(Dialect):\n    class Tokenizer(Tokenizer):\n        QUOTES = ["'", '"']\n        IDENTIFIERS = ["`"]\n\n        KEYWORDS = {\n            **Tokenizer.KEYWORDS,\n            "INT64": TokenType.BIGINT,\n            "FLOAT64": TokenType.DOUBLE,\n        }\n\n    class Generator(Generator):\n        TRANSFORMS = {exp.Array: lambda self, e: f"[{self.expressions(e)}]"}\n\n        TYPE_MAPPING = {\n            exp.DataType.Type.TINYINT: "INT64",\n            exp.DataType.Type.SMALLINT: "INT64",\n            exp.DataType.Type.INT: "INT64",\n            exp.DataType.Type.BIGINT: "INT64",\n            exp.DataType.Type.DECIMAL: "NUMERIC",\n            exp.DataType.Type.FLOAT: "FLOAT64",\n            exp.DataType.Type.DOUBLE: "FLOAT64",\n            exp.DataType.Type.BOOLEAN: "BOOL",\n            exp.DataType.Type.TEXT: "STRING",\n        }\n\nprint(Dialect["custom"])\n
\n
\n\n
<class '__main__.Custom'>\n
\n\n

SQL Execution

\n\n

One can even interpret SQL queries using SQLGlot, where the tables are represented as Python dictionaries. Although the engine is not very fast (it's not supposed to be) and is in a relatively early stage of development, it can be useful for unit testing and running SQL natively across Python objects. Additionally, the foundation can be easily integrated with fast compute kernels (arrow, pandas). Below is an example showcasing the execution of a SELECT expression that involves aggregations and JOINs:

\n\n
\n
from sqlglot.executor import execute\n\ntables = {\n    "sushi": [\n        {"id": 1, "price": 1.0},\n        {"id": 2, "price": 2.0},\n        {"id": 3, "price": 3.0},\n    ],\n    "order_items": [\n        {"sushi_id": 1, "order_id": 1},\n        {"sushi_id": 1, "order_id": 1},\n        {"sushi_id": 2, "order_id": 1},\n        {"sushi_id": 3, "order_id": 2},\n    ],\n    "orders": [\n        {"id": 1, "user_id": 1},\n        {"id": 2, "user_id": 2},\n    ],\n}\n\nexecute(\n    """\n    SELECT\n      o.user_id,\n      SUM(s.price) AS price\n    FROM orders o\n    JOIN order_items i\n      ON o.id = i.order_id\n    JOIN sushi s\n      ON i.sushi_id = s.id\n    GROUP BY o.user_id\n    """,\n    tables=tables\n)\n
\n
\n\n
\n
user_id price\n      1   4.0\n      2   3.0\n
\n
\n\n

See also: Writing a Python SQL engine from scratch.

\n\n

Used By

\n\n\n\n

Documentation

\n\n

SQLGlot uses pdoc to serve its API documentation:

\n\n
make docs-serve\n
\n\n

Run Tests and Lint

\n\n
make check  # Set SKIP_INTEGRATION=1 to skip integration tests\n
\n\n

Benchmarks

\n\n

Benchmarks run on Python 3.10.5 in seconds.

\n\n\n\n\n \n \n \n \n \n \n \n\n\n\n\n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n\n\n
Querysqlglotsqlfluffsqltreesqlparsemoz_sql_parsersqloxide
tpch0.01308 (1.0)1.60626 (122.7)0.01168 (0.893)0.04958 (3.791)0.08543 (6.531)0.00136 (0.104)
short0.00109 (1.0)0.14134 (129.2)0.00099 (0.906)0.00342 (3.131)0.00652 (5.970)8.76E-5 (0.080)
long0.01399 (1.0)2.12632 (151.9)0.01126 (0.805)0.04410 (3.151)0.06671 (4.767)0.00107 (0.076)
crazy0.03969 (1.0)24.3777 (614.1)0.03917 (0.987)11.7043 (294.8)1.03280 (26.02)0.00625 (0.157)
\n\n

Optional Dependencies

\n\n

SQLGlot uses dateutil to simplify literal timedelta expressions. The optimizer will not simplify expressions like the following if the module cannot be found:

\n\n
\n
x + interval '1' month\n
\n
\n\n
\n"}, "sqlglot.pretty": {"fullname": "sqlglot.pretty", "modulename": "sqlglot", "qualname": "pretty", "kind": "variable", "doc": "

Whether to format generated SQL by default.

\n", "default_value": "False"}, "sqlglot.schema": {"fullname": "sqlglot.schema", "modulename": "sqlglot.schema", "kind": "module", "doc": "

\n"}, "sqlglot.parse": {"fullname": "sqlglot.parse", "modulename": "sqlglot", "qualname": "parse", "kind": "function", "doc": "

Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement.

\n\n
Arguments:
\n\n
    \n
  • sql: the SQL code string to parse.
    • \n
  • read: the SQL dialect to apply during parsing (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • **opts: other sqlglot.parser.Parser options.
    • \n
\n\n
Returns:
\n\n
\n

The resulting syntax tree collection.

\n
\n", "signature": "(\tsql: str,\tread: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> List[Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.parse_one": {"fullname": "sqlglot.parse_one", "modulename": "sqlglot", "qualname": "parse_one", "kind": "function", "doc": "

Parses the given SQL string and returns a syntax tree for the first parsed SQL statement.

\n\n
Arguments:
\n\n
    \n
  • sql: the SQL code string to parse.
    • \n
  • read: the SQL dialect to apply during parsing (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • into: the SQLGlot Expression to parse into.
    • \n
  • **opts: other sqlglot.parser.Parser options.
    • \n
\n\n
Returns:
\n\n
\n

The syntax tree for the first parsed statement.

\n
\n", "signature": "(\tsql: str,\tread: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tinto: Union[str, Type[sqlglot.expressions.Expression], Collection[Union[str, Type[sqlglot.expressions.Expression]]], NoneType] = None,\t**opts) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transpile": {"fullname": "sqlglot.transpile", "modulename": "sqlglot", "qualname": "transpile", "kind": "function", "doc": "

Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed\nto conform to the target dialect. Each string in the returned list represents a single transformed SQL statement.

\n\n
Arguments:
\n\n
    \n
  • sql: the SQL code string to transpile.
    • \n
  • read: the source dialect used to parse the input string (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • write: the target dialect into which the input should be transformed (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • identity: if set to True and if the target dialect is not specified the source dialect will be used as both:\nthe source and the target dialect.
    • \n
  • error_level: the desired error level of the parser.
    • \n
  • **opts: other sqlglot.generator.Generator options.
    • \n
\n\n
Returns:
\n\n
\n

The list of transpiled SQL statements.

\n
\n", "signature": "(\tsql: str,\tread: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\twrite: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tidentity: bool = True,\terror_level: Optional[sqlglot.errors.ErrorLevel] = None,\t**opts) -> List[str]:", "funcdef": "def"}, "sqlglot.dataframe": {"fullname": "sqlglot.dataframe", "modulename": "sqlglot.dataframe", "kind": "module", "doc": "

PySpark DataFrame SQL Generator

\n\n

This is a drop-in replacement for the PySpark DataFrame API that will generate SQL instead of executing DataFrame operations directly. This, when combined with the transpiling support in SQLGlot, allows one to write PySpark DataFrame code and execute it on other engines like DuckDB, Presto, Spark, Snowflake, and BigQuery.

\n\n

Currently many of the common operations are covered and more functionality will be added over time. Please open an issue or PR with your feedback or contribution to help influence what should be prioritized next and make sure your use case is properly supported.

\n\n

How to use

\n\n

Instructions

\n\n
    \n
  • Install SQLGlot and that is all that is required to just generate SQL. The examples show generating SQL and then executing that SQL on a specific engine and that will require that engine's client library.
    • \n
  • Find/replace all from pyspark.sql with from sqlglot.dataframe.
    • \n
  • Prior to any spark.read.table or spark.table run sqlglot.schema.add_table('<table_name>', <column_structure>).\n
      \n
    • The column structure can be defined the following ways:\n
        \n
      • Dictionary where the keys are column names and values are string of the Spark SQL type name.\n
          \n
        • Ex: {'cola': 'string', 'colb': 'int'}
          • \n
        • \n
      • PySpark DataFrame StructType similar to when using createDataFrame.\n
          \n
        • Ex: StructType([StructField('cola', StringType()), StructField('colb', IntegerType())])
          • \n
        • \n
      • A string of names and types similar to what is supported in createDataFrame.\n
          \n
        • Ex: cola: STRING, colb: INT
          • \n
        • \n
      • [Not Recommended] A list of string column names without type.\n
          \n
        • Ex: ['cola', 'colb']
          • \n
        • The lack of types may limit functionality in future releases.
          • \n
        • \n
      • \n
    • See Registering Custom Schema for information on how to skip this step if the information is stored externally.
      • \n
    • \n
  • Add .sql(pretty=True) to your final DataFrame command to return a list of sql statements to run that command.\n
      \n
    • In most cases a single SQL statement is returned. Currently the only exception is when caching DataFrames which isn't supported in other dialects.
      • \n
    • Spark is the default output dialect. See dialects for a full list of dialects.
      • \n
    • Ex: .sql(pretty=True, dialect='bigquery')
      • \n
    • \n
\n\n

Examples

\n\n
\n
import sqlglot\nfrom sqlglot.dataframe.sql.session import SparkSession\nfrom sqlglot.dataframe.sql import functions as F\n\nsqlglot.schema.add_table('employee', {\n  'employee_id': 'INT',\n  'fname': 'STRING',\n  'lname': 'STRING',\n  'age': 'INT',\n})  # Register the table structure prior to reading from the table\n\nspark = SparkSession()\n\ndf = (\n    spark\n    .table('employee')\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("employee_id")).alias("num_employees")) \n)\n\nprint(df.sql(pretty=True))  # Spark will be the dialect used by default\n
\n
\n\n
SELECT\n  `employee`.`age` AS `age`,\n  COUNT(DISTINCT `employee`.`employee_id`) AS `num_employees`\nFROM `employee` AS `employee`\nGROUP BY\n  `employee`.`age`\n
\n\n

Registering Custom Schema Class

\n\n

The step of adding sqlglot.schema.add_table can be skipped if you have the column structure stored externally like in a file or from an external metadata table. This can be done by writing a class that implements the sqlglot.schema.Schema abstract class and then assigning that class to sqlglot.schema.

\n\n
\n
import sqlglot\nfrom sqlglot.dataframe.sql.session import SparkSession\nfrom sqlglot.dataframe.sql import functions as F\nfrom sqlglot.schema import Schema\n\n\nclass ExternalSchema(Schema):\n  ...\n\nsqlglot.schema = ExternalSchema()\n\nspark = SparkSession()\n\ndf = (\n    spark\n    .table('employee')\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("employee_id")).alias("num_employees")) \n)\n\nprint(df.sql(pretty=True))\n
\n
\n\n

Example Implementations

\n\n

Bigquery

\n\n
\n
from google.cloud import bigquery\nfrom sqlglot.dataframe.sql.session import SparkSession\nfrom sqlglot.dataframe.sql import types\nfrom sqlglot.dataframe.sql import functions as F\n\nclient = bigquery.Client()\n\ndata = [\n    (1, "Jack", "Shephard", 34),\n    (2, "John", "Locke", 48),\n    (3, "Kate", "Austen", 34),\n    (4, "Claire", "Littleton", 22),\n    (5, "Hugo", "Reyes", 26),\n]\nschema = types.StructType([\n    types.StructField('employee_id', types.IntegerType(), False),\n    types.StructField('fname', types.StringType(), False),\n    types.StructField('lname', types.StringType(), False),\n    types.StructField('age', types.IntegerType(), False),\n])\n\nsql_statements = (\n    SparkSession()\n    .createDataFrame(data, schema)\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("employee_id")).alias("num_employees"))\n    .sql(dialect="bigquery")\n)\n\nresult = None\nfor sql in sql_statements:\n  result = client.query(sql)\n\nassert result is not None\nfor row in client.query(result):\n    print(f"Age: {row['age']}, Num Employees: {row['num_employees']}")\n
\n
\n\n

Snowflake

\n\n
\n
import os\n\nimport snowflake.connector\nfrom sqlglot.dataframe.session import SparkSession\nfrom sqlglot.dataframe import types\nfrom sqlglot.dataframe import functions as F\n\nctx = snowflake.connector.connect(\n    user=os.environ["SNOWFLAKE_USER"],\n    password=os.environ["SNOWFLAKE_PASS"],\n    account=os.environ["SNOWFLAKE_ACCOUNT"]\n)\ncs = ctx.cursor()\n\ndata = [\n    (1, "Jack", "Shephard", 34),\n    (2, "John", "Locke", 48),\n    (3, "Kate", "Austen", 34),\n    (4, "Claire", "Littleton", 22),\n    (5, "Hugo", "Reyes", 26),\n]\nschema = types.StructType([\n    types.StructField('employee_id', types.IntegerType(), False),\n    types.StructField('fname', types.StringType(), False),\n    types.StructField('lname', types.StringType(), False),\n    types.StructField('age', types.IntegerType(), False),\n])\n\nsql_statements = (\n    SparkSession()\n    .createDataFrame(data, schema)\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("lname")).alias("num_employees"))\n    .sql(dialect="snowflake")\n)\n\ntry:\n    for sql in sql_statements:\n        cs.execute(sql)\n    results = cs.fetchall()\n    for row in results:\n        print(f"Age: {row[0]}, Num Employees: {row[1]}")\nfinally:\n    cs.close()\nctx.close()\n
\n
\n\n

Spark

\n\n
\n
from pyspark.sql.session import SparkSession as PySparkSession\nfrom sqlglot.dataframe.sql.session import SparkSession\nfrom sqlglot.dataframe.sql import types\nfrom sqlglot.dataframe.sql import functions as F\n\ndata = [\n    (1, "Jack", "Shephard", 34),\n    (2, "John", "Locke", 48),\n    (3, "Kate", "Austen", 34),\n    (4, "Claire", "Littleton", 22),\n    (5, "Hugo", "Reyes", 26),\n]\nschema = types.StructType([\n    types.StructField('employee_id', types.IntegerType(), False),\n    types.StructField('fname', types.StringType(), False),\n    types.StructField('lname', types.StringType(), False),\n    types.StructField('age', types.IntegerType(), False),\n])\n\nsql_statements = (\n    SparkSession()\n    .createDataFrame(data, schema)\n    .groupBy(F.col("age"))\n    .agg(F.countDistinct(F.col("employee_id")).alias("num_employees"))\n    .sql(dialect="spark")\n)\n\npyspark = PySparkSession.builder.master("local[*]").getOrCreate()\n\ndf = None\nfor sql in sql_statements:\n    df = pyspark.sql(sql)\n\nassert df is not None\ndf.show()\n
\n
\n\n

Unsupportable Operations

\n\n

Any operation that lacks a way to represent it in SQL cannot be supported by this tool. An example of this would be rdd operations. Since the DataFrame API though is mostly modeled around SQL concepts most operations can be supported.

\n"}, "sqlglot.dataframe.sql": {"fullname": "sqlglot.dataframe.sql", "modulename": "sqlglot.dataframe.sql", "kind": "module", "doc": "

\n"}, "sqlglot.dataframe.sql.SparkSession": {"fullname": "sqlglot.dataframe.sql.SparkSession", "modulename": "sqlglot.dataframe.sql", "qualname": "SparkSession", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.SparkSession.table": {"fullname": "sqlglot.dataframe.sql.SparkSession.table", "modulename": "sqlglot.dataframe.sql", "qualname": "SparkSession.table", "kind": "function", "doc": "

\n", "signature": "(self, tableName: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.SparkSession.createDataFrame": {"fullname": "sqlglot.dataframe.sql.SparkSession.createDataFrame", "modulename": "sqlglot.dataframe.sql", "qualname": "SparkSession.createDataFrame", "kind": "function", "doc": "

\n", "signature": "(\tself,\tdata: Sequence[Union[Dict[str, <MagicMock id='140482330521808'>], List[<MagicMock id='140482330521808'>], Tuple]],\tschema: Optional[<MagicMock id='140482330535600'>] = None,\tsamplingRatio: Optional[float] = None,\tverifySchema: bool = False) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.SparkSession.sql": {"fullname": "sqlglot.dataframe.sql.SparkSession.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "SparkSession.sql", "kind": "function", "doc": "

\n", "signature": "(self, sqlQuery: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame": {"fullname": "sqlglot.dataframe.sql.DataFrame", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.DataFrame.__init__": {"fullname": "sqlglot.dataframe.sql.DataFrame.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.__init__", "kind": "function", "doc": "

\n", "signature": "(\tspark: <MagicMock id='140482335596384'>,\texpression: sqlglot.expressions.Select,\tbranch_id: Optional[str] = None,\tsequence_id: Optional[str] = None,\tlast_op: sqlglot.dataframe.sql.operations.Operation = <Operation.INIT: -1>,\tpending_hints: Optional[List[sqlglot.expressions.Expression]] = None,\toutput_expression_container: Optional[<MagicMock id='140482335520656'>] = None,\t**kwargs)"}, "sqlglot.dataframe.sql.DataFrame.sql": {"fullname": "sqlglot.dataframe.sql.DataFrame.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.sql", "kind": "function", "doc": "

\n", "signature": "(self, dialect='spark', optimize=True, **kwargs) -> List[str]:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.copy": {"fullname": "sqlglot.dataframe.sql.DataFrame.copy", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.copy", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.select": {"fullname": "sqlglot.dataframe.sql.DataFrame.select", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.select", "kind": "function", "doc": "

\n", "signature": "(self, *cols, **kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.alias": {"fullname": "sqlglot.dataframe.sql.DataFrame.alias", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.alias", "kind": "function", "doc": "

\n", "signature": "(self, name: str, **kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.where": {"fullname": "sqlglot.dataframe.sql.DataFrame.where", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.where", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcolumn: Union[sqlglot.dataframe.sql.column.Column, bool],\t**kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.filter": {"fullname": "sqlglot.dataframe.sql.DataFrame.filter", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.filter", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcolumn: Union[sqlglot.dataframe.sql.column.Column, bool],\t**kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.groupBy": {"fullname": "sqlglot.dataframe.sql.DataFrame.groupBy", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.groupBy", "kind": "function", "doc": "

\n", "signature": "(self, *cols, **kwargs) -> sqlglot.dataframe.sql.group.GroupedData:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.agg": {"fullname": "sqlglot.dataframe.sql.DataFrame.agg", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.agg", "kind": "function", "doc": "

\n", "signature": "(self, *exprs, **kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.join": {"fullname": "sqlglot.dataframe.sql.DataFrame.join", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.join", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother_df: sqlglot.dataframe.sql.dataframe.DataFrame,\ton: Union[str, List[str], sqlglot.dataframe.sql.column.Column, List[sqlglot.dataframe.sql.column.Column]],\thow: str = 'inner',\t**kwargs) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.orderBy": {"fullname": "sqlglot.dataframe.sql.DataFrame.orderBy", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.orderBy", "kind": "function", "doc": "

This implementation lets any ordered columns take priority over whatever is provided in ascending. Spark\nhas irregular behavior and can result in runtime errors. Users shouldn't be mixing the two anyways so this\nis unlikely to come up.

\n", "signature": "(\tself,\t*cols: Union[str, sqlglot.dataframe.sql.column.Column],\tascending: Union[Any, List[Any], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.sort": {"fullname": "sqlglot.dataframe.sql.DataFrame.sort", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.sort", "kind": "function", "doc": "

This implementation lets any ordered columns take priority over whatever is provided in ascending. Spark\nhas irregular behavior and can result in runtime errors. Users shouldn't be mixing the two anyways so this\nis unlikely to come up.

\n", "signature": "(\tself,\t*cols: Union[str, sqlglot.dataframe.sql.column.Column],\tascending: Union[Any, List[Any], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.union": {"fullname": "sqlglot.dataframe.sql.DataFrame.union", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.union", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.unionAll": {"fullname": "sqlglot.dataframe.sql.DataFrame.unionAll", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.unionAll", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.unionByName": {"fullname": "sqlglot.dataframe.sql.DataFrame.unionByName", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.unionByName", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame,\tallowMissingColumns: bool = False):", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.intersect": {"fullname": "sqlglot.dataframe.sql.DataFrame.intersect", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.intersect", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.intersectAll": {"fullname": "sqlglot.dataframe.sql.DataFrame.intersectAll", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.intersectAll", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.exceptAll": {"fullname": "sqlglot.dataframe.sql.DataFrame.exceptAll", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.exceptAll", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: sqlglot.dataframe.sql.dataframe.DataFrame) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.distinct": {"fullname": "sqlglot.dataframe.sql.DataFrame.distinct", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.distinct", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.dropDuplicates": {"fullname": "sqlglot.dataframe.sql.DataFrame.dropDuplicates", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.dropDuplicates", "kind": "function", "doc": "

\n", "signature": "(self, subset: Optional[List[str]] = None):", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.dropna": {"fullname": "sqlglot.dataframe.sql.DataFrame.dropna", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.dropna", "kind": "function", "doc": "

\n", "signature": "(\tself,\thow: str = 'any',\tthresh: Optional[int] = None,\tsubset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.fillna": {"fullname": "sqlglot.dataframe.sql.DataFrame.fillna", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.fillna", "kind": "function", "doc": "

Functionality Difference: If you provide a value to replace a null and that type conflicts\nwith the type of the column then PySpark will just ignore your replacement.\nThis will try to cast them to be the same in some cases. So they won't always match.\nBest to not mix types so make sure replacement is the same type as the column

\n\n

Possibility for improvement: Use typeof function to get the type of the column\nand check if it matches the type of the value provided. If not then make it null.

\n", "signature": "(\tself,\tvalue: <MagicMock id='140482330974848'>,\tsubset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.replace": {"fullname": "sqlglot.dataframe.sql.DataFrame.replace", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.replace", "kind": "function", "doc": "

\n", "signature": "(\tself,\tto_replace: Union[bool, int, float, str, List, Dict],\tvalue: Union[bool, int, float, str, List, NoneType] = None,\tsubset: Union[Collection[<MagicMock id='140482330012992'>], <MagicMock id='140482330012992'>, NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.withColumn": {"fullname": "sqlglot.dataframe.sql.DataFrame.withColumn", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.withColumn", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcolName: str,\tcol: sqlglot.dataframe.sql.column.Column) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.withColumnRenamed": {"fullname": "sqlglot.dataframe.sql.DataFrame.withColumnRenamed", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.withColumnRenamed", "kind": "function", "doc": "

\n", "signature": "(self, existing: str, new: str):", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.drop": {"fullname": "sqlglot.dataframe.sql.DataFrame.drop", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.drop", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*cols: Union[str, sqlglot.dataframe.sql.column.Column]) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.limit": {"fullname": "sqlglot.dataframe.sql.DataFrame.limit", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.limit", "kind": "function", "doc": "

\n", "signature": "(self, num: int) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.hint": {"fullname": "sqlglot.dataframe.sql.DataFrame.hint", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.hint", "kind": "function", "doc": "

\n", "signature": "(\tself,\tname: str,\t*parameters: Union[str, int, NoneType]) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.repartition": {"fullname": "sqlglot.dataframe.sql.DataFrame.repartition", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.repartition", "kind": "function", "doc": "

\n", "signature": "(\tself,\tnumPartitions: Union[int, <MagicMock id='140482329596336'>],\t*cols: <MagicMock id='140482329655376'>) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.coalesce": {"fullname": "sqlglot.dataframe.sql.DataFrame.coalesce", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.coalesce", "kind": "function", "doc": "

\n", "signature": "(self, numPartitions: int) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.cache": {"fullname": "sqlglot.dataframe.sql.DataFrame.cache", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.cache", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrame.persist": {"fullname": "sqlglot.dataframe.sql.DataFrame.persist", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrame.persist", "kind": "function", "doc": "

Storage Level Options: https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-aux-cache-cache-table.html

\n", "signature": "(\tself,\tstorageLevel: str = 'MEMORY_AND_DISK_SER') -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData": {"fullname": "sqlglot.dataframe.sql.GroupedData", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.GroupedData.__init__": {"fullname": "sqlglot.dataframe.sql.GroupedData.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.__init__", "kind": "function", "doc": "

\n", "signature": "(\tdf: sqlglot.dataframe.sql.dataframe.DataFrame,\tgroup_by_cols: List[sqlglot.dataframe.sql.column.Column],\tlast_op: sqlglot.dataframe.sql.operations.Operation)"}, "sqlglot.dataframe.sql.GroupedData.agg": {"fullname": "sqlglot.dataframe.sql.GroupedData.agg", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.agg", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*exprs: Union[sqlglot.dataframe.sql.column.Column, Dict[str, str]]) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.count": {"fullname": "sqlglot.dataframe.sql.GroupedData.count", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.count", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.mean": {"fullname": "sqlglot.dataframe.sql.GroupedData.mean", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.mean", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.avg": {"fullname": "sqlglot.dataframe.sql.GroupedData.avg", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.avg", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.max": {"fullname": "sqlglot.dataframe.sql.GroupedData.max", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.max", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.min": {"fullname": "sqlglot.dataframe.sql.GroupedData.min", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.min", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.sum": {"fullname": "sqlglot.dataframe.sql.GroupedData.sum", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.sum", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.GroupedData.pivot": {"fullname": "sqlglot.dataframe.sql.GroupedData.pivot", "modulename": "sqlglot.dataframe.sql", "qualname": "GroupedData.pivot", "kind": "function", "doc": "

\n", "signature": "(self, *cols: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column": {"fullname": "sqlglot.dataframe.sql.Column", "modulename": "sqlglot.dataframe.sql", "qualname": "Column", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.Column.__init__": {"fullname": "sqlglot.dataframe.sql.Column.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.__init__", "kind": "function", "doc": "

\n", "signature": "(\texpression: Union[<MagicMock id='140482331597488'>, sqlglot.expressions.Expression, NoneType])"}, "sqlglot.dataframe.sql.Column.ensure_col": {"fullname": "sqlglot.dataframe.sql.Column.ensure_col", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.ensure_col", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tvalue: Union[<MagicMock id='140482329703328'>, sqlglot.expressions.Expression, NoneType]):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.ensure_cols": {"fullname": "sqlglot.dataframe.sql.Column.ensure_cols", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.ensure_cols", "kind": "function", "doc": "

\n", "signature": "(\tcls,\targs: List[Union[<MagicMock id='140482330200576'>, sqlglot.expressions.Expression]]) -> List[sqlglot.dataframe.sql.column.Column]:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.invoke_anonymous_function": {"fullname": "sqlglot.dataframe.sql.Column.invoke_anonymous_function", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.invoke_anonymous_function", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tcolumn: Optional[<MagicMock id='140482329857520'>],\tfunc_name: str,\t*args: Optional[<MagicMock id='140482329881584'>]) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.invoke_expression_over_column": {"fullname": "sqlglot.dataframe.sql.Column.invoke_expression_over_column", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.invoke_expression_over_column", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tcolumn: Optional[<MagicMock id='140482329799712'>],\tcallable_expression: Callable,\t**kwargs) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.binary_op": {"fullname": "sqlglot.dataframe.sql.Column.binary_op", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.binary_op", "kind": "function", "doc": "

\n", "signature": "(\tself,\tklass: Callable,\tother: <MagicMock id='140482329769152'>,\t**kwargs) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.inverse_binary_op": {"fullname": "sqlglot.dataframe.sql.Column.inverse_binary_op", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.inverse_binary_op", "kind": "function", "doc": "

\n", "signature": "(\tself,\tklass: Callable,\tother: <MagicMock id='140482329759984'>,\t**kwargs) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.unary_op": {"fullname": "sqlglot.dataframe.sql.Column.unary_op", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.unary_op", "kind": "function", "doc": "

\n", "signature": "(self, klass: Callable, **kwargs) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.ensure_literal": {"fullname": "sqlglot.dataframe.sql.Column.ensure_literal", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.ensure_literal", "kind": "function", "doc": "

\n", "signature": "(cls, value) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.copy": {"fullname": "sqlglot.dataframe.sql.Column.copy", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.copy", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.set_table_name": {"fullname": "sqlglot.dataframe.sql.Column.set_table_name", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.set_table_name", "kind": "function", "doc": "

\n", "signature": "(self, table_name: str, copy=False) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.sql": {"fullname": "sqlglot.dataframe.sql.Column.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.sql", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> str:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.alias": {"fullname": "sqlglot.dataframe.sql.Column.alias", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.alias", "kind": "function", "doc": "

\n", "signature": "(self, name: str) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.asc": {"fullname": "sqlglot.dataframe.sql.Column.asc", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.asc", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.desc": {"fullname": "sqlglot.dataframe.sql.Column.desc", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.desc", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.asc_nulls_first": {"fullname": "sqlglot.dataframe.sql.Column.asc_nulls_first", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.asc_nulls_first", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.asc_nulls_last": {"fullname": "sqlglot.dataframe.sql.Column.asc_nulls_last", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.asc_nulls_last", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.desc_nulls_first": {"fullname": "sqlglot.dataframe.sql.Column.desc_nulls_first", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.desc_nulls_first", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.desc_nulls_last": {"fullname": "sqlglot.dataframe.sql.Column.desc_nulls_last", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.desc_nulls_last", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.when": {"fullname": "sqlglot.dataframe.sql.Column.when", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.when", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcondition: sqlglot.dataframe.sql.column.Column,\tvalue: Any) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.otherwise": {"fullname": "sqlglot.dataframe.sql.Column.otherwise", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.otherwise", "kind": "function", "doc": "

\n", "signature": "(self, value: Any) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.isNull": {"fullname": "sqlglot.dataframe.sql.Column.isNull", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.isNull", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.isNotNull": {"fullname": "sqlglot.dataframe.sql.Column.isNotNull", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.isNotNull", "kind": "function", "doc": "

\n", "signature": "(self) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.cast": {"fullname": "sqlglot.dataframe.sql.Column.cast", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.cast", "kind": "function", "doc": "

Functionality Difference: PySpark cast accepts a datatype instance of the datatype class\nSqlglot doesn't currently replicate this class so it only accepts a string

\n", "signature": "(self, dataType: Union[str, sqlglot.dataframe.sql.types.DataType]):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.startswith": {"fullname": "sqlglot.dataframe.sql.Column.startswith", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.startswith", "kind": "function", "doc": "

\n", "signature": "(\tself,\tvalue: Union[str, sqlglot.dataframe.sql.column.Column]) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.endswith": {"fullname": "sqlglot.dataframe.sql.Column.endswith", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.endswith", "kind": "function", "doc": "

\n", "signature": "(\tself,\tvalue: Union[str, sqlglot.dataframe.sql.column.Column]) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.rlike": {"fullname": "sqlglot.dataframe.sql.Column.rlike", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.rlike", "kind": "function", "doc": "

\n", "signature": "(self, regexp: str) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.like": {"fullname": "sqlglot.dataframe.sql.Column.like", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.like", "kind": "function", "doc": "

\n", "signature": "(self, other: str):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.ilike": {"fullname": "sqlglot.dataframe.sql.Column.ilike", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.ilike", "kind": "function", "doc": "

\n", "signature": "(self, other: str):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.substr": {"fullname": "sqlglot.dataframe.sql.Column.substr", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.substr", "kind": "function", "doc": "

\n", "signature": "(\tself,\tstartPos: Union[int, sqlglot.dataframe.sql.column.Column],\tlength: Union[int, sqlglot.dataframe.sql.column.Column]) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.isin": {"fullname": "sqlglot.dataframe.sql.Column.isin", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.isin", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*cols: Union[<MagicMock id='140482330346256'>, Iterable[<MagicMock id='140482330346256'>]]):", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.between": {"fullname": "sqlglot.dataframe.sql.Column.between", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.between", "kind": "function", "doc": "

\n", "signature": "(\tself,\tlowerBound: <MagicMock id='140482328352688'>,\tupperBound: <MagicMock id='140482328407168'>) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.Column.over": {"fullname": "sqlglot.dataframe.sql.Column.over", "modulename": "sqlglot.dataframe.sql", "qualname": "Column.over", "kind": "function", "doc": "

\n", "signature": "(\tself,\twindow: <MagicMock id='140482328481264'>) -> sqlglot.dataframe.sql.column.Column:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameNaFunctions": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.DataFrameNaFunctions.__init__": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions.__init__", "kind": "function", "doc": "

\n", "signature": "(df: sqlglot.dataframe.sql.dataframe.DataFrame)"}, "sqlglot.dataframe.sql.DataFrameNaFunctions.drop": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions.drop", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions.drop", "kind": "function", "doc": "

\n", "signature": "(\tself,\thow: str = 'any',\tthresh: Optional[int] = None,\tsubset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameNaFunctions.fill": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions.fill", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions.fill", "kind": "function", "doc": "

\n", "signature": "(\tself,\tvalue: Union[int, bool, float, str, Dict[str, Any]],\tsubset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameNaFunctions.replace": {"fullname": "sqlglot.dataframe.sql.DataFrameNaFunctions.replace", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameNaFunctions.replace", "kind": "function", "doc": "

\n", "signature": "(\tself,\tto_replace: Union[bool, int, float, str, List, Dict],\tvalue: Union[bool, int, float, str, List, NoneType] = None,\tsubset: Union[str, List[str], NoneType] = None) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.Window": {"fullname": "sqlglot.dataframe.sql.Window", "modulename": "sqlglot.dataframe.sql", "qualname": "Window", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.Window.partitionBy": {"fullname": "sqlglot.dataframe.sql.Window.partitionBy", "modulename": "sqlglot.dataframe.sql", "qualname": "Window.partitionBy", "kind": "function", "doc": "

\n", "signature": "(\tcls,\t*cols: Union[<MagicMock id='140482328980416'>, List[<MagicMock id='140482328980416'>]]) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.Window.orderBy": {"fullname": "sqlglot.dataframe.sql.Window.orderBy", "modulename": "sqlglot.dataframe.sql", "qualname": "Window.orderBy", "kind": "function", "doc": "

\n", "signature": "(\tcls,\t*cols: Union[<MagicMock id='140482328995408'>, List[<MagicMock id='140482328995408'>]]) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.Window.rowsBetween": {"fullname": "sqlglot.dataframe.sql.Window.rowsBetween", "modulename": "sqlglot.dataframe.sql", "qualname": "Window.rowsBetween", "kind": "function", "doc": "

\n", "signature": "(cls, start: int, end: int) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.Window.rangeBetween": {"fullname": "sqlglot.dataframe.sql.Window.rangeBetween", "modulename": "sqlglot.dataframe.sql", "qualname": "Window.rangeBetween", "kind": "function", "doc": "

\n", "signature": "(cls, start: int, end: int) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec": {"fullname": "sqlglot.dataframe.sql.WindowSpec", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.WindowSpec.__init__": {"fullname": "sqlglot.dataframe.sql.WindowSpec.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression = (WINDOW ))"}, "sqlglot.dataframe.sql.WindowSpec.copy": {"fullname": "sqlglot.dataframe.sql.WindowSpec.copy", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.copy", "kind": "function", "doc": "

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.sql": {"fullname": "sqlglot.dataframe.sql.WindowSpec.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.sql", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> str:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.partitionBy": {"fullname": "sqlglot.dataframe.sql.WindowSpec.partitionBy", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.partitionBy", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*cols: Union[<MagicMock id='140482328591472'>, List[<MagicMock id='140482328591472'>]]) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.orderBy": {"fullname": "sqlglot.dataframe.sql.WindowSpec.orderBy", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.orderBy", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*cols: Union[<MagicMock id='140482328640480'>, List[<MagicMock id='140482328640480'>]]) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.rowsBetween": {"fullname": "sqlglot.dataframe.sql.WindowSpec.rowsBetween", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.rowsBetween", "kind": "function", "doc": "

\n", "signature": "(self, start: int, end: int) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.WindowSpec.rangeBetween": {"fullname": "sqlglot.dataframe.sql.WindowSpec.rangeBetween", "modulename": "sqlglot.dataframe.sql", "qualname": "WindowSpec.rangeBetween", "kind": "function", "doc": "

\n", "signature": "(self, start: int, end: int) -> sqlglot.dataframe.sql.window.WindowSpec:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameReader": {"fullname": "sqlglot.dataframe.sql.DataFrameReader", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameReader", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.DataFrameReader.__init__": {"fullname": "sqlglot.dataframe.sql.DataFrameReader.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameReader.__init__", "kind": "function", "doc": "

\n", "signature": "(spark: sqlglot.dataframe.sql.session.SparkSession)"}, "sqlglot.dataframe.sql.DataFrameReader.table": {"fullname": "sqlglot.dataframe.sql.DataFrameReader.table", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameReader.table", "kind": "function", "doc": "

\n", "signature": "(self, tableName: str) -> sqlglot.dataframe.sql.dataframe.DataFrame:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter", "kind": "class", "doc": "

\n"}, "sqlglot.dataframe.sql.DataFrameWriter.__init__": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.__init__", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.__init__", "kind": "function", "doc": "

\n", "signature": "(\tdf: sqlglot.dataframe.sql.dataframe.DataFrame,\tspark: Optional[sqlglot.dataframe.sql.session.SparkSession] = None,\tmode: Optional[str] = None,\tby_name: bool = False)"}, "sqlglot.dataframe.sql.DataFrameWriter.copy": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.copy", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.copy", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> sqlglot.dataframe.sql.readwriter.DataFrameWriter:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter.sql": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.sql", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.sql", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> List[str]:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter.mode": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.mode", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.mode", "kind": "function", "doc": "

\n", "signature": "(\tself,\tsaveMode: Optional[str]) -> sqlglot.dataframe.sql.readwriter.DataFrameWriter:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter.insertInto": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.insertInto", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.insertInto", "kind": "function", "doc": "

\n", "signature": "(\tself,\ttableName: str,\toverwrite: Optional[bool] = None) -> sqlglot.dataframe.sql.readwriter.DataFrameWriter:", "funcdef": "def"}, "sqlglot.dataframe.sql.DataFrameWriter.saveAsTable": {"fullname": "sqlglot.dataframe.sql.DataFrameWriter.saveAsTable", "modulename": "sqlglot.dataframe.sql", "qualname": "DataFrameWriter.saveAsTable", "kind": "function", "doc": "

\n", "signature": "(\tself,\tname: str,\tformat: Optional[str] = None,\tmode: Optional[str] = None):", "funcdef": "def"}, "sqlglot.dialects": {"fullname": "sqlglot.dialects", "modulename": "sqlglot.dialects", "kind": "module", "doc": "

Dialects

\n\n

While there is a SQL standard, most SQL engines support a variation of that standard. This makes it difficult\nto write portable SQL code. SQLGlot bridges all the different variations, called \"dialects\", with an extensible\nSQL transpilation framework.

\n\n

The base sqlglot.dialects.dialect.Dialect class implements a generic dialect that aims to be as universal as possible.

\n\n

Each SQL variation has its own Dialect subclass, extending the corresponding Tokenizer, Parser and Generator\nclasses as needed.

\n\n

Implementing a custom Dialect

\n\n

Consider the following example:

\n\n
\n
from sqlglot import exp\nfrom sqlglot.dialects.dialect import Dialect\nfrom sqlglot.generator import Generator\nfrom sqlglot.tokens import Tokenizer, TokenType\n\n\nclass Custom(Dialect):\n    class Tokenizer(Tokenizer):\n        QUOTES = ["'", '"']\n        IDENTIFIERS = ["`"]\n\n        KEYWORDS = {\n            **Tokenizer.KEYWORDS,\n            "INT64": TokenType.BIGINT,\n            "FLOAT64": TokenType.DOUBLE,\n        }\n\n    class Generator(Generator):\n        TRANSFORMS = {exp.Array: lambda self, e: f"[{self.expressions(e)}]"}\n\n        TYPE_MAPPING = {\n            exp.DataType.Type.TINYINT: "INT64",\n            exp.DataType.Type.SMALLINT: "INT64",\n            exp.DataType.Type.INT: "INT64",\n            exp.DataType.Type.BIGINT: "INT64",\n            exp.DataType.Type.DECIMAL: "NUMERIC",\n            exp.DataType.Type.FLOAT: "FLOAT64",\n            exp.DataType.Type.DOUBLE: "FLOAT64",\n            exp.DataType.Type.BOOLEAN: "BOOL",\n            exp.DataType.Type.TEXT: "STRING",\n        }\n
\n
\n\n

This is a typical example of adding a new dialect implementation in SQLGlot: we specify its identifier and string\ndelimiters, as well as what tokens it uses for its types and how they're associated with SQLGlot types. Since\nthe Expression classes are common for each dialect supported in SQLGlot, we may also need to override the generation\nlogic for some expressions; this is usually done by adding new entries to the TRANSFORMS mapping.

\n\n
\n"}, "sqlglot.dialects.bigquery": {"fullname": "sqlglot.dialects.bigquery", "modulename": "sqlglot.dialects.bigquery", "kind": "module", "doc": "

Supports BigQuery Standard SQL.

\n"}, "sqlglot.dialects.bigquery.BigQuery": {"fullname": "sqlglot.dialects.bigquery.BigQuery", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.bigquery.BigQuery.Tokenizer": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Tokenizer", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.bigquery.BigQuery.Parser": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Parser", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.bigquery.BigQuery.Generator": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.bigquery.BigQuery.Generator.array_sql": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.array_sql", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.array_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Array) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.transaction_sql": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.transaction_sql", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.transaction_sql", "kind": "function", "doc": "

\n", "signature": "(self, *_) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.commit_sql": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.commit_sql", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.commit_sql", "kind": "function", "doc": "

\n", "signature": "(self, *_) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.rollback_sql": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.rollback_sql", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.rollback_sql", "kind": "function", "doc": "

\n", "signature": "(self, *_) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.in_unnest_op": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.in_unnest_op", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.in_unnest_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Unnest) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.except_op": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.except_op", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.except_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Except) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.intersect_op": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.intersect_op", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.intersect_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Intersect) -> str:", "funcdef": "def"}, "sqlglot.dialects.bigquery.BigQuery.Generator.with_properties": {"fullname": "sqlglot.dialects.bigquery.BigQuery.Generator.with_properties", "modulename": "sqlglot.dialects.bigquery", "qualname": "BigQuery.Generator.with_properties", "kind": "function", "doc": "

\n", "signature": "(self, properties: sqlglot.expressions.Properties) -> str:", "funcdef": "def"}, "sqlglot.dialects.clickhouse": {"fullname": "sqlglot.dialects.clickhouse", "modulename": "sqlglot.dialects.clickhouse", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.clickhouse.ClickHouse": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.clickhouse.ClickHouse.Tokenizer": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse.Tokenizer", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.clickhouse.ClickHouse.Parser": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse.Parser", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.clickhouse.ClickHouse.Generator": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse.Generator", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.clickhouse.ClickHouse.Generator.cte_sql": {"fullname": "sqlglot.dialects.clickhouse.ClickHouse.Generator.cte_sql", "modulename": "sqlglot.dialects.clickhouse", "qualname": "ClickHouse.Generator.cte_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.CTE) -> str:", "funcdef": "def"}, "sqlglot.dialects.databricks": {"fullname": "sqlglot.dialects.databricks", "modulename": "sqlglot.dialects.databricks", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.databricks.Databricks": {"fullname": "sqlglot.dialects.databricks.Databricks", "modulename": "sqlglot.dialects.databricks", "qualname": "Databricks", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.spark.Spark"}, "sqlglot.dialects.databricks.Databricks.Parser": {"fullname": "sqlglot.dialects.databricks.Databricks.Parser", "modulename": "sqlglot.dialects.databricks", "qualname": "Databricks.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.dialects.spark.Spark.Parser"}, "sqlglot.dialects.databricks.Databricks.Generator": {"fullname": "sqlglot.dialects.databricks.Databricks.Generator", "modulename": "sqlglot.dialects.databricks", "qualname": "Databricks.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.spark.Spark.Generator"}, "sqlglot.dialects.databricks.Databricks.Tokenizer": {"fullname": "sqlglot.dialects.databricks.Databricks.Tokenizer", "modulename": "sqlglot.dialects.databricks", "qualname": "Databricks.Tokenizer", "kind": "class", "doc": "

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An enumeration.

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Helper used for time expressions.

\n\n
Arguments:
\n\n
    \n
  • exp_class: the expression class to instantiate.
    • \n
  • dialect: target sql dialect.
    • \n
  • default: the default format, True being time.
    • \n
\n\n
Returns:
\n\n
\n

A callable that can be used to return the appropriately formatted time expression.

\n
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\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Max) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.count_if_to_sum": {"fullname": "sqlglot.dialects.dialect.count_if_to_sum", "modulename": "sqlglot.dialects.dialect", "qualname": "count_if_to_sum", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.CountIf) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.trim_sql": {"fullname": "sqlglot.dialects.dialect.trim_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "trim_sql", "kind": "function", "doc": "

\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.Trim) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.str_to_time_sql": {"fullname": "sqlglot.dialects.dialect.str_to_time_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "str_to_time_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Expression) -> str:", "funcdef": "def"}, "sqlglot.dialects.dialect.ts_or_ds_to_date_sql": {"fullname": "sqlglot.dialects.dialect.ts_or_ds_to_date_sql", "modulename": "sqlglot.dialects.dialect", "qualname": "ts_or_ds_to_date_sql", "kind": "function", "doc": "

\n", "signature": "(dialect: str) -> Callable:", "funcdef": "def"}, "sqlglot.dialects.drill": {"fullname": "sqlglot.dialects.drill", "modulename": "sqlglot.dialects.drill", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.drill.Drill": {"fullname": "sqlglot.dialects.drill.Drill", "modulename": "sqlglot.dialects.drill", "qualname": "Drill", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.drill.Drill.Tokenizer": {"fullname": "sqlglot.dialects.drill.Drill.Tokenizer", "modulename": "sqlglot.dialects.drill", "qualname": "Drill.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.drill.Drill.Parser": {"fullname": "sqlglot.dialects.drill.Drill.Parser", "modulename": "sqlglot.dialects.drill", "qualname": "Drill.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.drill.Drill.Generator": {"fullname": "sqlglot.dialects.drill.Drill.Generator", "modulename": "sqlglot.dialects.drill", "qualname": "Drill.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.drill.Drill.Generator.normalize_func": {"fullname": "sqlglot.dialects.drill.Drill.Generator.normalize_func", "modulename": "sqlglot.dialects.drill", "qualname": "Drill.Generator.normalize_func", "kind": "function", "doc": "

\n", "signature": "(self, name: str) -> str:", "funcdef": "def"}, "sqlglot.dialects.duckdb": {"fullname": "sqlglot.dialects.duckdb", "modulename": "sqlglot.dialects.duckdb", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.duckdb.DuckDB": {"fullname": "sqlglot.dialects.duckdb.DuckDB", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.duckdb.DuckDB.Tokenizer": {"fullname": "sqlglot.dialects.duckdb.DuckDB.Tokenizer", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.duckdb.DuckDB.Parser": {"fullname": "sqlglot.dialects.duckdb.DuckDB.Parser", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.duckdb.DuckDB.Generator": {"fullname": "sqlglot.dialects.duckdb.DuckDB.Generator", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.duckdb.DuckDB.Generator.tablesample_sql": {"fullname": "sqlglot.dialects.duckdb.DuckDB.Generator.tablesample_sql", "modulename": "sqlglot.dialects.duckdb", "qualname": "DuckDB.Generator.tablesample_sql", "kind": "function", "doc": "

\n", "signature": "(\tself,\texpression: sqlglot.expressions.TableSample,\tseed_prefix: str = 'SEED',\tsep=' AS ') -> str:", "funcdef": "def"}, "sqlglot.dialects.hive": {"fullname": "sqlglot.dialects.hive", "modulename": "sqlglot.dialects.hive", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.hive.Hive": {"fullname": "sqlglot.dialects.hive.Hive", "modulename": "sqlglot.dialects.hive", "qualname": "Hive", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.hive.Hive.Tokenizer": {"fullname": "sqlglot.dialects.hive.Hive.Tokenizer", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.hive.Hive.Parser": {"fullname": "sqlglot.dialects.hive.Hive.Parser", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.hive.Hive.Generator": {"fullname": "sqlglot.dialects.hive.Hive.Generator", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.hive.Hive.Generator.arrayagg_sql": {"fullname": "sqlglot.dialects.hive.Hive.Generator.arrayagg_sql", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Generator.arrayagg_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ArrayAgg) -> str:", "funcdef": "def"}, "sqlglot.dialects.hive.Hive.Generator.with_properties": {"fullname": "sqlglot.dialects.hive.Hive.Generator.with_properties", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Generator.with_properties", "kind": "function", "doc": "

\n", "signature": "(self, properties: sqlglot.expressions.Properties) -> str:", "funcdef": "def"}, "sqlglot.dialects.hive.Hive.Generator.datatype_sql": {"fullname": "sqlglot.dialects.hive.Hive.Generator.datatype_sql", "modulename": "sqlglot.dialects.hive", "qualname": "Hive.Generator.datatype_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DataType) -> str:", "funcdef": "def"}, "sqlglot.dialects.mysql": {"fullname": "sqlglot.dialects.mysql", "modulename": "sqlglot.dialects.mysql", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.mysql.MySQL": {"fullname": "sqlglot.dialects.mysql.MySQL", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.mysql.MySQL.Tokenizer": {"fullname": "sqlglot.dialects.mysql.MySQL.Tokenizer", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.mysql.MySQL.Parser": {"fullname": "sqlglot.dialects.mysql.MySQL.Parser", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.mysql.MySQL.Generator": {"fullname": "sqlglot.dialects.mysql.MySQL.Generator", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.mysql.MySQL.Generator.show_sql": {"fullname": "sqlglot.dialects.mysql.MySQL.Generator.show_sql", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Generator.show_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Show) -> str:", "funcdef": "def"}, "sqlglot.dialects.oracle": {"fullname": "sqlglot.dialects.oracle", "modulename": "sqlglot.dialects.oracle", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.oracle.Oracle": {"fullname": "sqlglot.dialects.oracle.Oracle", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.oracle.Oracle.Parser": {"fullname": "sqlglot.dialects.oracle.Oracle.Parser", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.oracle.Oracle.Generator": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.oracle.Oracle.Generator.offset_sql": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator.offset_sql", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator.offset_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Offset) -> str:", "funcdef": "def"}, "sqlglot.dialects.oracle.Oracle.Generator.column_sql": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator.column_sql", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator.column_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Column) -> str:", "funcdef": "def"}, "sqlglot.dialects.oracle.Oracle.Generator.xmltable_sql": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator.xmltable_sql", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator.xmltable_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.XMLTable) -> str:", "funcdef": "def"}, "sqlglot.dialects.oracle.Oracle.Tokenizer": {"fullname": "sqlglot.dialects.oracle.Oracle.Tokenizer", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.postgres": {"fullname": "sqlglot.dialects.postgres", "modulename": "sqlglot.dialects.postgres", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.postgres.Postgres": {"fullname": "sqlglot.dialects.postgres.Postgres", "modulename": "sqlglot.dialects.postgres", "qualname": "Postgres", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.postgres.Postgres.Tokenizer": {"fullname": "sqlglot.dialects.postgres.Postgres.Tokenizer", "modulename": "sqlglot.dialects.postgres", "qualname": "Postgres.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.postgres.Postgres.Parser": {"fullname": "sqlglot.dialects.postgres.Postgres.Parser", "modulename": "sqlglot.dialects.postgres", "qualname": "Postgres.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.postgres.Postgres.Generator": {"fullname": "sqlglot.dialects.postgres.Postgres.Generator", "modulename": "sqlglot.dialects.postgres", "qualname": "Postgres.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.presto": {"fullname": "sqlglot.dialects.presto", "modulename": "sqlglot.dialects.presto", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.presto.Presto": {"fullname": "sqlglot.dialects.presto.Presto", "modulename": "sqlglot.dialects.presto", "qualname": "Presto", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.presto.Presto.Tokenizer": {"fullname": "sqlglot.dialects.presto.Presto.Tokenizer", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.presto.Presto.Parser": {"fullname": "sqlglot.dialects.presto.Presto.Parser", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.presto.Presto.Generator": {"fullname": "sqlglot.dialects.presto.Presto.Generator", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.presto.Presto.Generator.interval_sql": {"fullname": "sqlglot.dialects.presto.Presto.Generator.interval_sql", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Generator.interval_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Interval) -> str:", "funcdef": "def"}, "sqlglot.dialects.presto.Presto.Generator.transaction_sql": {"fullname": "sqlglot.dialects.presto.Presto.Generator.transaction_sql", "modulename": "sqlglot.dialects.presto", "qualname": "Presto.Generator.transaction_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Transaction) -> str:", "funcdef": "def"}, "sqlglot.dialects.redshift": {"fullname": "sqlglot.dialects.redshift", "modulename": "sqlglot.dialects.redshift", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.redshift.Redshift": {"fullname": "sqlglot.dialects.redshift.Redshift", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.postgres.Postgres"}, "sqlglot.dialects.redshift.Redshift.Parser": {"fullname": "sqlglot.dialects.redshift.Redshift.Parser", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.dialects.postgres.Postgres.Parser"}, "sqlglot.dialects.redshift.Redshift.Tokenizer": {"fullname": "sqlglot.dialects.redshift.Redshift.Tokenizer", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.postgres.Postgres.Tokenizer"}, "sqlglot.dialects.redshift.Redshift.Generator": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.postgres.Postgres.Generator"}, "sqlglot.dialects.redshift.Redshift.Generator.values_sql": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator.values_sql", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator.values_sql", "kind": "function", "doc": "

Converts VALUES... expression into a series of unions.

\n\n

Note: If you have a lot of unions then this will result in a large number of recursive statements to\nevaluate the expression. You may need to increase sys.setrecursionlimit to run and it can also be\nvery slow.

\n", "signature": "(self, expression: sqlglot.expressions.Values) -> str:", "funcdef": "def"}, "sqlglot.dialects.redshift.Redshift.Generator.with_properties": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator.with_properties", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator.with_properties", "kind": "function", "doc": "

Redshift doesn't have WITH as part of their with_properties so we remove it

\n", "signature": "(self, properties: sqlglot.expressions.Properties) -> str:", "funcdef": "def"}, "sqlglot.dialects.redshift.Redshift.Generator.renametable_sql": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator.renametable_sql", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator.renametable_sql", "kind": "function", "doc": "

Redshift only supports defining the table name itself (not the db) when renaming tables

\n", "signature": "(self, expression: sqlglot.expressions.RenameTable) -> str:", "funcdef": "def"}, "sqlglot.dialects.redshift.Redshift.Generator.datatype_sql": {"fullname": "sqlglot.dialects.redshift.Redshift.Generator.datatype_sql", "modulename": "sqlglot.dialects.redshift", "qualname": "Redshift.Generator.datatype_sql", "kind": "function", "doc": "

Redshift converts the TEXT data type to VARCHAR(255) by default when people more generally mean\nVARCHAR of max length which is VARCHAR(max) in Redshift. Therefore if we get a TEXT data type\nwithout precision we convert it to VARCHAR(max) and if it does have precision then we just convert\nTEXT to VARCHAR.

\n", "signature": "(self, expression: sqlglot.expressions.DataType) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake": {"fullname": "sqlglot.dialects.snowflake", "modulename": "sqlglot.dialects.snowflake", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.snowflake.Snowflake": {"fullname": "sqlglot.dialects.snowflake.Snowflake", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.snowflake.Snowflake.Parser": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Parser", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.snowflake.Snowflake.Tokenizer": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Tokenizer", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.snowflake.Snowflake.Generator": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.snowflake.Snowflake.Generator.except_op": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.except_op", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.except_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Except) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.intersect_op": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.intersect_op", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.intersect_op", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Intersect) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.values_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.values_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.values_sql", "kind": "function", "doc": "

Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.

\n\n

We also want to make sure that after we find matches where we need to unquote a column that we prevent users\nfrom adding quotes to the column by using the identify argument when generating the SQL.

\n", "signature": "(self, expression: sqlglot.expressions.Values) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.settag_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.settag_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.settag_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.SetTag) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.select_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.select_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.select_sql", "kind": "function", "doc": "

Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also\nthat all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need\nto unquote a column that we prevent users from adding quotes to the column by using the identify argument when\ngenerating the SQL.

\n\n

Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the\nexpression. This might not be true in a case where the same column name can be sourced from another table that can\nproperly quote but should be true in most cases.

\n", "signature": "(self, expression: sqlglot.expressions.Select) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.describe_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.describe_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.describe_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Describe) -> str:", "funcdef": "def"}, "sqlglot.dialects.snowflake.Snowflake.Generator.generatedasidentitycolumnconstraint_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.generatedasidentitycolumnconstraint_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.generatedasidentitycolumnconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(\tself,\texpression: sqlglot.expressions.GeneratedAsIdentityColumnConstraint) -> str:", "funcdef": "def"}, "sqlglot.dialects.spark": {"fullname": "sqlglot.dialects.spark", "modulename": "sqlglot.dialects.spark", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.spark.Spark": {"fullname": "sqlglot.dialects.spark.Spark", "modulename": "sqlglot.dialects.spark", "qualname": "Spark", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.spark2.Spark2"}, "sqlglot.dialects.spark.Spark.Parser": {"fullname": "sqlglot.dialects.spark.Spark.Parser", "modulename": "sqlglot.dialects.spark", "qualname": "Spark.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.dialects.spark2.Spark2.Parser"}, "sqlglot.dialects.spark.Spark.Generator": {"fullname": "sqlglot.dialects.spark.Spark.Generator", "modulename": "sqlglot.dialects.spark", "qualname": "Spark.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.spark2.Spark2.Generator"}, "sqlglot.dialects.spark.Spark.Generator.datediff_sql": {"fullname": "sqlglot.dialects.spark.Spark.Generator.datediff_sql", "modulename": "sqlglot.dialects.spark", "qualname": "Spark.Generator.datediff_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DateDiff) -> str:", "funcdef": "def"}, "sqlglot.dialects.spark2": {"fullname": "sqlglot.dialects.spark2", "modulename": "sqlglot.dialects.spark2", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.spark2.Spark2": {"fullname": "sqlglot.dialects.spark2.Spark2", "modulename": "sqlglot.dialects.spark2", "qualname": "Spark2", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.hive.Hive"}, "sqlglot.dialects.spark2.Spark2.Parser": {"fullname": "sqlglot.dialects.spark2.Spark2.Parser", "modulename": "sqlglot.dialects.spark2", "qualname": "Spark2.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.dialects.hive.Hive.Parser"}, "sqlglot.dialects.spark2.Spark2.Generator": {"fullname": "sqlglot.dialects.spark2.Spark2.Generator", "modulename": "sqlglot.dialects.spark2", "qualname": "Spark2.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.hive.Hive.Generator"}, "sqlglot.dialects.spark2.Spark2.Generator.cast_sql": {"fullname": "sqlglot.dialects.spark2.Spark2.Generator.cast_sql", "modulename": "sqlglot.dialects.spark2", "qualname": "Spark2.Generator.cast_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Cast) -> str:", "funcdef": "def"}, "sqlglot.dialects.spark2.Spark2.Tokenizer": {"fullname": "sqlglot.dialects.spark2.Spark2.Tokenizer", "modulename": "sqlglot.dialects.spark2", "qualname": "Spark2.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.hive.Hive.Tokenizer"}, "sqlglot.dialects.sqlite": {"fullname": "sqlglot.dialects.sqlite", "modulename": "sqlglot.dialects.sqlite", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.sqlite.SQLite": {"fullname": "sqlglot.dialects.sqlite.SQLite", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.sqlite.SQLite.Tokenizer": {"fullname": "sqlglot.dialects.sqlite.SQLite.Tokenizer", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.sqlite.SQLite.Parser": {"fullname": "sqlglot.dialects.sqlite.SQLite.Parser", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.sqlite.SQLite.Generator": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.sqlite.SQLite.Generator.cast_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.cast_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.cast_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Cast) -> str:", "funcdef": "def"}, "sqlglot.dialects.sqlite.SQLite.Generator.datediff_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.datediff_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.datediff_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DateDiff) -> str:", "funcdef": "def"}, "sqlglot.dialects.sqlite.SQLite.Generator.groupconcat_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.groupconcat_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.groupconcat_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression):", "funcdef": "def"}, "sqlglot.dialects.sqlite.SQLite.Generator.least_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.least_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.least_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Least) -> str:", "funcdef": "def"}, "sqlglot.dialects.sqlite.SQLite.Generator.transaction_sql": {"fullname": "sqlglot.dialects.sqlite.SQLite.Generator.transaction_sql", "modulename": "sqlglot.dialects.sqlite", "qualname": "SQLite.Generator.transaction_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Transaction) -> str:", "funcdef": "def"}, "sqlglot.dialects.starrocks": {"fullname": "sqlglot.dialects.starrocks", "modulename": "sqlglot.dialects.starrocks", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.starrocks.StarRocks": {"fullname": "sqlglot.dialects.starrocks.StarRocks", "modulename": "sqlglot.dialects.starrocks", "qualname": "StarRocks", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.mysql.MySQL"}, "sqlglot.dialects.starrocks.StarRocks.Parser": {"fullname": "sqlglot.dialects.starrocks.StarRocks.Parser", "modulename": "sqlglot.dialects.starrocks", "qualname": "StarRocks.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.dialects.mysql.MySQL.Parser"}, "sqlglot.dialects.starrocks.StarRocks.Generator": {"fullname": "sqlglot.dialects.starrocks.StarRocks.Generator", "modulename": "sqlglot.dialects.starrocks", "qualname": "StarRocks.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.mysql.MySQL.Generator"}, "sqlglot.dialects.tableau": {"fullname": "sqlglot.dialects.tableau", "modulename": "sqlglot.dialects.tableau", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.tableau.Tableau": {"fullname": "sqlglot.dialects.tableau.Tableau", "modulename": "sqlglot.dialects.tableau", "qualname": "Tableau", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.tableau.Tableau.Generator": {"fullname": "sqlglot.dialects.tableau.Tableau.Generator", "modulename": "sqlglot.dialects.tableau", "qualname": "Tableau.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.tableau.Tableau.Parser": {"fullname": "sqlglot.dialects.tableau.Tableau.Parser", "modulename": "sqlglot.dialects.tableau", "qualname": "Tableau.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.teradata": {"fullname": "sqlglot.dialects.teradata", "modulename": "sqlglot.dialects.teradata", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.teradata.Teradata": {"fullname": "sqlglot.dialects.teradata.Teradata", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.teradata.Teradata.Tokenizer": {"fullname": "sqlglot.dialects.teradata.Teradata.Tokenizer", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.teradata.Teradata.Parser": {"fullname": "sqlglot.dialects.teradata.Teradata.Parser", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.teradata.Teradata.Generator": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.teradata.Teradata.Generator.partitionedbyproperty_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.partitionedbyproperty_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.partitionedbyproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.PartitionedByProperty) -> str:", "funcdef": "def"}, "sqlglot.dialects.teradata.Teradata.Generator.update_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.update_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.update_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Update) -> str:", "funcdef": "def"}, "sqlglot.dialects.teradata.Teradata.Generator.mod_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.mod_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.mod_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Mod) -> str:", "funcdef": "def"}, "sqlglot.dialects.teradata.Teradata.Generator.datatype_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.datatype_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.datatype_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DataType) -> str:", "funcdef": "def"}, "sqlglot.dialects.teradata.Teradata.Generator.rangen_sql": {"fullname": "sqlglot.dialects.teradata.Teradata.Generator.rangen_sql", "modulename": "sqlglot.dialects.teradata", "qualname": "Teradata.Generator.rangen_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.RangeN) -> str:", "funcdef": "def"}, "sqlglot.dialects.trino": {"fullname": "sqlglot.dialects.trino", "modulename": "sqlglot.dialects.trino", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.trino.Trino": {"fullname": "sqlglot.dialects.trino.Trino", "modulename": "sqlglot.dialects.trino", "qualname": "Trino", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.presto.Presto"}, "sqlglot.dialects.trino.Trino.Generator": {"fullname": "sqlglot.dialects.trino.Trino.Generator", "modulename": "sqlglot.dialects.trino", "qualname": "Trino.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.dialects.presto.Presto.Generator"}, "sqlglot.dialects.trino.Trino.Tokenizer": {"fullname": "sqlglot.dialects.trino.Trino.Tokenizer", "modulename": "sqlglot.dialects.trino", "qualname": "Trino.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.presto.Presto.Tokenizer"}, "sqlglot.dialects.tsql": {"fullname": "sqlglot.dialects.tsql", "modulename": "sqlglot.dialects.tsql", "kind": "module", "doc": "

\n"}, "sqlglot.dialects.tsql.generate_date_delta_with_unit_sql": {"fullname": "sqlglot.dialects.tsql.generate_date_delta_with_unit_sql", "modulename": "sqlglot.dialects.tsql", "qualname": "generate_date_delta_with_unit_sql", "kind": "function", "doc": "

\n", "signature": "(self, e):", "funcdef": "def"}, "sqlglot.dialects.tsql.TSQL": {"fullname": "sqlglot.dialects.tsql.TSQL", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.dialects.tsql.TSQL.Tokenizer": {"fullname": "sqlglot.dialects.tsql.TSQL.Tokenizer", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.dialects.tsql.TSQL.Parser": {"fullname": "sqlglot.dialects.tsql.TSQL.Parser", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n", "bases": "sqlglot.parser.Parser"}, "sqlglot.dialects.tsql.TSQL.Generator": {"fullname": "sqlglot.dialects.tsql.TSQL.Generator", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.dialects.tsql.TSQL.Generator.offset_sql": {"fullname": "sqlglot.dialects.tsql.TSQL.Generator.offset_sql", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Generator.offset_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Offset) -> str:", "funcdef": "def"}, "sqlglot.dialects.tsql.TSQL.Generator.systemtime_sql": {"fullname": "sqlglot.dialects.tsql.TSQL.Generator.systemtime_sql", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Generator.systemtime_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.SystemTime) -> str:", "funcdef": "def"}, "sqlglot.dialects.tsql.TSQL.Generator.returnsproperty_sql": {"fullname": "sqlglot.dialects.tsql.TSQL.Generator.returnsproperty_sql", "modulename": "sqlglot.dialects.tsql", "qualname": "TSQL.Generator.returnsproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ReturnsProperty) -> str:", "funcdef": "def"}, "sqlglot.diff": {"fullname": "sqlglot.diff", "modulename": "sqlglot.diff", "kind": "module", "doc": "

Semantic Diff for SQL

\n\n

by Iaroslav Zeigerman

\n\n

Motivation

\n\n

Software is constantly changing and evolving, and identifying what has changed and reviewing those changes is an integral part of the development process. SQL code is no exception to this.

\n\n

Text-based diff tools such as git diff, when applied to a code base, have certain limitations. First, they can only detect insertions and deletions, not movements or updates of individual pieces of code. Second, such tools can only detect changes between lines of text, which is too coarse for something as granular and detailed as source code. Additionally, the outcome of such a diff is dependent on the underlying code formatting, and yields different results if the formatting should change.

\n\n

Consider the following diff generated by Git:

\n\n

\"Git

\n\n

Semantically the query hasn\u2019t changed. The two arguments b and c have been swapped (moved), posing no impact on the output of the query. Yet Git replaced the whole affected expression alongside a bulk of unrelated elements.

\n\n

The alternative to text-based diffing is to compare Abstract Syntax Trees (AST) instead. The main advantage of ASTs are that they are a direct product of code parsing, which represents the underlying code structure at any desired level of granularity. Comparing ASTs may yield extremely precise diffs; changes such as code movements and updates can also be detected. Even more importantly, this approach facilitates additional use cases beyond eyeballing two versions of source code side by side.

\n\n

The use cases I had in mind for SQL when I decided to embark on this journey of semantic diffing were the following:

\n\n
    \n
  • Query similarity score. Identifying which parts the two queries have in common to automatically suggest opportunities for consolidation, creation of intermediate/staging tables, and so on.
    • \n
  • Differentiating between cosmetic / structural changes and functional ones. For example when a nested query is refactored into a common table expression (CTE), this kind of change doesn\u2019t have any functional impact on either a query or its outcome.
    • \n
  • Automatic suggestions about the need to retroactively backfill data. This is especially important for pipelines that populate very large tables for which restatement is a runtime-intensive procedure. The ability to discern between simple code movements and actual modifications can help assess the impact of a change and make suggestions accordingly.
    • \n
\n\n

The implementation discussed in this post is now a part of the SQLGlot library. You can find a complete source code in the diff.py module. The choice of SQLglot was an obvious one due to its simple but powerful API, lack of external dependencies and, more importantly, extensive list of supported SQL dialects.

\n\n

The Search for a Solution

\n\n

When it comes to any diffing tool (not just a semantic one), the primary challenge is to match as many elements of compared entities as possible. Once such a set of matching elements is available, deriving a sequence of changes becomes an easy task.

\n\n

If our elements have unique identifiers associated with them (for example, an element\u2019s ID in DOM), the matching problem is trivial. However, the SQL syntax trees that we are comparing have neither unique keys nor object identifiers that can be used for the purposes of matching. So, how do we suppose to find pairs of nodes that are related?

\n\n

To better illustrate the problem, consider comparing the following SQL expressions: SELECT a + b + c, d, e and SELECT a - b + c, e, f. Matching individual nodes from respective syntax trees can be visualized as follows:

\n\n

\"Figure\nFigure 1: Example of node matching for two SQL expression trees.

\n\n

By looking at the figure of node matching for two SQL expression trees above, we conclude that the following changes should be captured by our solution:

\n\n
    \n
  • Inserted nodes: Sub and f. These are the nodes from the target AST which do not have a matching node in the source AST.
    • \n
  • Removed nodes: Add and d. These are the nodes from the source AST which do not have a counterpart in the target AST.
    • \n
  • Remaining nodes must be identified as unchanged.
    • \n
\n\n

It should be clear at this point that if we manage to match nodes in the source tree with their counterparts in the target tree, then computing the diff becomes a trivial matter.

\n\n

Na\u00efve Brute-Force

\n\n

The na\u00efve solution would be to try all different permutations of node pair combinations, and see which set of pairs performs the best based on some type of heuristics. The runtime cost of such a solution quickly reaches the escape velocity; if both trees had only 10 nodes each, the number of such sets would approximately be 10! ^ 2 = 3.6M ^ 2 ~= 13 * 10^12. This is a very bad case of factorial complexity (to be precise, it\u2019s actually much worse - O(n! ^ 2) - but I couldn\u2019t come up with a name for it), so there is little need to explore this approach any further.

\n\n

Myers Algorithm

\n\n

After the na\u00efve approach was proven to be infeasible, the next question I asked myself was \u201chow does git diff work?\u201d. This question led me to discover the Myers diff algorithm [1]. This algorithm has been designed to compare sequences of strings. At its core, it\u2019s looking for the shortest path on a graph of possible edits that transform the first sequence into the second one, while heavily rewarding those paths that lead to longest subsequences of unchanged elements. There\u2019s a lot of material out there describing this algorithm in greater detail. I found James Coglan\u2019s series of blog posts to be the most comprehensive.

\n\n

Therefore, I had this \u201cbrilliant\u201d (actually not) idea to transform trees into sequences by traversing them in topological order, and then applying the Myers algorithm on resulting sequences while using a custom heuristics when checking the equality of two nodes. Unsurprisingly, comparing sequences of strings is quite different from comparing hierarchical tree structures, and by flattening trees into sequences, we lose a lot of relevant context. This resulted in a terrible performance of this algorithm on ASTs. It often matched completely unrelated nodes, even when the two trees were mostly the same, and produced extremely inaccurate lists of changes overall. After playing around with it a little and tweaking my equality heuristics to improve accuracy, I ultimately scrapped the whole implementation and went back to the drawing board.

\n\n

Change Distiller

\n\n

The algorithm I settled on at the end was Change Distiller, created by Fluri et al. [2], which in turn is an improvement over the core idea described by Chawathe et al. [3].

\n\n

The algorithm consists of two high-level steps:

\n\n
    \n
  1. Finding appropriate matchings between pairs of nodes that are part of compared ASTs. Identifying what is meant by \u201cappropriate\u201d matching is also a part of this step.
    2. \n
  2. Generating the so-called \u201cedit script\u201d from the matching set built in the 1st step. The edit script is a sequence of edit operations (for example, insert, remove, update, etc.) on individual tree nodes, such that when applied as transformations on the source AST, it eventually becomes the target AST. In general, the shorter the sequence, the better. The length of the edit script can be used to compare the performance of different algorithms, though this is not the only metric that matters.
    3. \n
\n\n

The rest of this section is dedicated to the Python implementation of the steps above using the AST implementation provided by the SQLGlot library.

\n\n

Building the Matching Set

\n\n

Matching Leaves

\n\n

We begin composing the matching set by matching the leaf nodes. Leaf nodes are the nodes that do not have any children nodes (such as literals, identifiers, etc.). In order to match them, we gather all the leaf nodes from the source tree and generate a cartesian product with all the leaves from the target tree, while comparing pairs created this way and assigning them a similarity score. During this stage, we also exclude pairs that don\u2019t pass basic matching criteria. Then, we pick pairs that scored the highest while making sure that each node is matched no more than once.

\n\n

Using the example provided at the beginning of the post, the process of building an initial set of candidate matchings can be seen on Figure 2.

\n\n

\"Figure\nFigure 2: Building a set of candidate matchings between leaf nodes. The third item in each triplet represents a similarity score between two nodes.

\n\n

First, let\u2019s analyze the similarity score. Then, we\u2019ll discuss matching criteria.

\n\n

The similarity score proposed by Fluri et al. [2] is a dice coefficient applied to bigrams of respective node values. A bigram is a sequence of two adjacent elements from a string computed in a sliding window fashion:

\n\n
\n
def bigram(string):\n    count = max(0, len(string) - 1)\n    return [string[i : i + 2] for i in range(count)]\n
\n
\n\n

For reasons that will become clear shortly, we actually need to compute bigram histograms rather than just sequences:

\n\n
\n
from collections import defaultdict\n\ndef bigram_histo(string):\n    count = max(0, len(string) - 1)\n    bigram_histo = defaultdict(int)\n    for i in range(count):\n        bigram_histo[string[i : i + 2]] += 1\n    return bigram_histo\n
\n
\n\n

The dice coefficient formula looks like following:

\n\n

\"Dice

\n\n

Where X is a bigram of the source node and Y is a bigram of the second one. What this essentially does is count the number of bigram elements the two nodes have in common, multiply it by 2, and then divide by the total number of elements in both bigrams. This is where bigram histograms come in handy:

\n\n
\n
def dice_coefficient(source, target):\n    source_histo = bigram_histo(source.sql())\n    target_histo = bigram_histo(target.sql())\n\n    total_grams = (\n        sum(source_histo.values()) + sum(target_histo.values())\n    )\n    if not total_grams:\n        return 1.0 if source == target else 0.0\n\n    overlap_len = 0\n    overlapping_grams = set(source_histo) & set(target_histo)\n    for g in overlapping_grams:\n        overlap_len += min(source_histo[g], target_histo[g])\n\n    return 2 * overlap_len / total_grams\n
\n
\n\n

To compute a bigram given a tree node, we first transform the node into its canonical SQL representation,so that the Literal(123) node becomes just \u201c123\u201d and the Identifier(\u201ca\u201d) node becomes just \u201ca\u201d. We also handle a scenario when strings are too short to derive bigrams. In this case, we fallback to checking the two nodes for equality.

\n\n

Now when we know how to compute the similarity score, we can take care of the matching criteria for leaf nodes. In the original paper [2], the matching criteria is formalized as follows:

\n\n

\"Matching

\n\n

The two nodes are matched if two conditions are met:

\n\n
    \n
  1. The node labels match (in our case labels are just node types).
    2. \n
  2. The similarity score for node values is greater than or equal to some threshold \u201cf\u201d. The authors of the paper recommend setting the value of \u201cf\u201d to 0.6.
    3. \n
\n\n

With building blocks in place, we can now build a matching set for leaf nodes. First, we generate a list of candidates for matching:

\n\n
\n
from heapq import heappush, heappop\n\ncandidate_matchings = []\nsource_leaves = _get_leaves(self._source)\ntarget_leaves = _get_leaves(self._target)\nfor source_leaf in source_leaves:\n    for target_leaf in target_leaves:\n        if _is_same_type(source_leaf, target_leaf):\n            similarity_score = dice_coefficient(\n                source_leaf, target_leaf\n            )\n            if similarity_score >= 0.6:\n                heappush(\n                    candidate_matchings,\n                    (\n                        -similarity_score,\n                        len(candidate_matchings),\n                        source_leaf,\n                        target_leaf,\n                    ),\n                )\n
\n
\n\n

In the implementation above, we push each matching pair onto the heap to automatically maintain the correct order based on the assigned similarity score.

\n\n

Finally, we build the initial matching set by picking leaf pairs with the highest score:

\n\n
\n
matching_set = set()\nwhile candidate_matchings:\n    _, _, source_leaf, target_leaf = heappop(candidate_matchings)\n    if (\n        source_leaf in unmatched_source_nodes\n        and target_leaf in unmatched_target_nodes\n    ):\n        matching_set.add((source_leaf, target_leaf))\n        unmatched_source_nodes.remove(source_leaf)\n        unmatched_target_nodes.remove(target_leaf)\n
\n
\n\n

To finalize the matching set, we should now proceed with matching inner nodes.

\n\n

Matching Inner Nodes

\n\n

Matching inner nodes is quite similar to matching leaf nodes, with the following two distinctions:

\n\n
    \n
  • Rather than ranking a set of possible candidates, we pick the first node pair that passes the matching criteria.
    • \n
  • The matching criteria itself has been extended to account for the number of leaf nodes the pair of inner nodes have in common.
    • \n
\n\n

\"Figure\nFigure 3: Matching inner nodes based on their type as well as how many of their leaf nodes have been previously matched.

\n\n

Let\u2019s start with the matching criteria. The criteria is formalized as follows:

\n\n

\"Matching

\n\n

Alongside already familiar similarity score and node type criteria, there is a new one in the middle: the ratio of leaf nodes that the two nodes have in common must exceed some threshold \u201ct\u201d. The recommended value for \u201ct\u201d is also 0.6. Counting the number of common leaf nodes is pretty straightforward, since we already have the complete matching set for leaves. All we need to do is count how many matching pairs do leaf nodes from the two compared inner nodes form.

\n\n

There are two additional heuristics associated with this matching criteria:

\n\n
    \n
  • Inner node similarity weighting: if the similarity score between the node values doesn\u2019t pass the threshold \u201cf\u201d but the ratio of common leaf nodes (\u201ct\u201d) is greater than or equal to 0.8, then the matching is considered successful.
    • \n
  • The threshold \u201ct\u201d is reduced to 0.4 for inner nodes with the number of leaf nodes equal to 4 or less, in order to decrease the false negative rate for small subtrees.
    • \n
\n\n

We now only have to iterate through the remaining unmatched nodes and form matching pairs based on the outlined criteria:

\n\n
\n
leaves_matching_set = matching_set.copy()\n\nfor source_node in unmatched_source_nodes.copy():\n    for target_node in unmatched_target_nodes:\n        if _is_same_type(source_node, target_node):\n            source_leaves = set(_get_leaves(source_node))\n            target_leaves = set(_get_leaves(target_node))\n\n            max_leaves_num = max(len(source_leaves), len(target_leaves))\n            if max_leaves_num:\n                common_leaves_num = sum(\n                    1 if s in source_leaves and t in target_leaves else 0\n                    for s, t in leaves_matching_set\n                )\n                leaf_similarity_score = common_leaves_num / max_leaves_num\n            else:\n                leaf_similarity_score = 0.0\n\n            adjusted_t = (\n                0.6\n                if min(len(source_leaves), len(target_leaves)) > 4\n                else 0.4\n            )\n\n            if leaf_similarity_score >= 0.8 or (\n                leaf_similarity_score >= adjusted_t\n                and dice_coefficient(source_node, target_node) >= 0.6\n            ):\n                matching_set.add((source_node, target_node))\n                unmatched_source_nodes.remove(source_node)\n                unmatched_target_nodes.remove(target_node)\n                break\n
\n
\n\n

After the matching set is formed, we can proceed with generation of the edit script, which will be the algorithm\u2019s output.

\n\n

Generating the Edit Script

\n\n

At this point, we should have the following 3 sets at our disposal:

\n\n
    \n
  • The set of matched node pairs.
    • \n
  • The set of remaining unmatched nodes from the source tree.
    • \n
  • The set of remaining unmatched nodes from the target tree.
    • \n
\n\n

We can derive 3 kinds of edits from the matching set: either the node\u2019s value was updated (Update), the node was moved to a different position within the tree (Move), or the node remained unchanged (Keep). Note that the Move case is not mutually exclusive with the other two. The node could have been updated or could have remained the same while at the same time its position within its parent node or the parent node itself could have changed. All unmatched nodes from the source tree are the ones that were removed (Remove), while unmatched nodes from the target tree are the ones that were inserted (Insert).

\n\n

The latter two cases are pretty straightforward to implement:

\n\n
\n
edit_script = []\n\nfor removed_node in unmatched_source_nodes:\n    edit_script.append(Remove(removed_node))\nfor inserted_node in unmatched_target_nodes:\n    edit_script.append(Insert(inserted_node))\n
\n
\n\n

Traversing the matching set requires a little more thought:

\n\n
\n
for source_node, target_node in matching_set:\n    if (\n        not isinstance(source_node, LEAF_EXPRESSION_TYPES)\n        or source_node == target_node\n    ):\n        move_edits = generate_move_edits(\n            source_node, target_node, matching_set\n        )\n        edit_script.extend(move_edits)\n        edit_script.append(Keep(source_node, target_node))\n    else:\n        edit_script.append(Update(source_node, target_node))\n
\n
\n\n

If a matching pair represents a pair of leaf nodes, we check if they are the same to decide whether an update took place. For inner node pairs, we also need to compare the positions of their respective children to detect node movements. Chawathe et al. [3] suggest applying the longest common subsequence (LCS) algorithm which, no surprise here, was described by Myers himself [1]. There is a small catch, however: instead of checking the equality of two children nodes, we need to check whether the two nodes form a pair that is a part of our matching set.

\n\n

Now with this knowledge, the implementation becomes straightforward:

\n\n
\n
def generate_move_edits(source, target, matching_set):\n    source_children = _get_child_nodes(source)\n    target_children = _get_child_nodes(target)\n\n    lcs = set(\n        _longest_common_subsequence(\n            source_children,\n            target_children,\n            lambda l, r: (l, r) in matching_set\n        )\n    )\n\n    move_edits = []\n    for node in source_children:\n        if node not in lcs and node not in unmatched_source_nodes:\n            move_edits.append(Move(node))\n\n    return move_edits\n
\n
\n\n

I left out the implementation of the LCS algorithm itself here, but there are plenty of implementation choices out there that can be easily looked up.

\n\n

Output

\n\n

The implemented algorithm produces the output that resembles the following:

\n\n
\n
>>> from sqlglot import parse_one, diff\n>>> diff(parse_one("SELECT a + b + c, d, e"), parse_one("SELECT a - b + c, e, f"))\n\nRemove(Add)\nRemove(Column(d))\nRemove(Identifier(d))\nInsert(Sub)\nInsert(Column(f))\nInsert(Identifier(f))\nKeep(Select, Select)\nKeep(Add, Add)\nKeep(Column(a), Column(a))\nKeep(Identifier(a), Identifier(a))\nKeep(Column(b), Column(b))\nKeep(Identifier(b), Identifier(b))\nKeep(Column(c), Column(c))\nKeep(Identifier(c), Identifier(c))\nKeep(Column(e), Column(e))\nKeep(Identifier(e), Identifier(e))\n
\n
\n\n

Note that the output above is abbreviated. The string representation of actual AST nodes is significantly more verbose.

\n\n

The implementation works especially well when coupled with the SQLGlot\u2019s query optimizer which can be used to produce canonical representations of compared queries:

\n\n
\n
>>> schema={"t": {"a": "INT", "b": "INT", "c": "INT", "d": "INT"}}\n>>> source = """\n... SELECT 1 + 1 + a\n... FROM t\n... WHERE b = 1 OR (c = 2 AND d = 3)\n... """\n>>> target = """\n... SELECT 2 + a\n... FROM t\n... WHERE (b = 1 OR c = 2) AND (b = 1 OR d = 3)\n... """\n>>> optimized_source = optimize(parse_one(source), schema=schema)\n>>> optimized_target = optimize(parse_one(target), schema=schema)\n>>> edit_script = diff(optimized_source, optimized_target)\n>>> sum(0 if isinstance(e, Keep) else 1 for e in edit_script)\n0\n
\n
\n\n

Optimizations

\n\n

The worst case runtime complexity of this algorithm is not exactly stellar: O(n^2 * log n^2). This is because of the leaf matching process, which involves ranking a cartesian product between all leaf nodes of compared trees. Unsurprisingly, the algorithm takes a considerable time to finish for bigger queries.

\n\n

There are still a few basic things we can do in our implementation to help improve performance:

\n\n
    \n
  • Refer to individual node objects using their identifiers (Python\u2019s id()) instead of direct references in sets. This helps avoid costly recursive hash calculations and equality checks.
    • \n
  • Cache bigram histograms to avoid computing them more than once for the same node.
    • \n
  • Compute the canonical SQL string representation for each tree once while caching string representations of all inner nodes. This prevents redundant tree traversals when bigrams are computed.
    • \n
\n\n

At the time of writing only the first two optimizations have been implemented, so there is an opportunity to contribute for anyone who\u2019s interested.

\n\n

Alternative Solutions

\n\n

This section is dedicated to solutions that I\u2019ve investigated, but haven\u2019t tried.

\n\n

First, this section wouldn\u2019t be complete without Tristan Hume\u2019s blog post. Tristan\u2019s solution has a lot in common with the Myers algorithm plus heuristics that is much more clever than what I came up with. The implementation relies on a combination of dynamic programming and A* search algorithm to explore the space of possible matchings and pick the best ones. It seemed to have worked well for Tistan\u2019s specific use case, but after my negative experience with the Myers algorithm, I decided to try something different.

\n\n

Another notable approach is the Gumtree algorithm by Falleri et al. [4]. I discovered this paper after I\u2019d already implemented the algorithm that is the main focus of this post. In sections 5.2 and 5.3 of their paper, the authors compare the two algorithms side by side and claim that Gumtree is significantly better in terms of both runtime performance and accuracy when evaluated on 12 792 pairs of Java source files. This doesn\u2019t surprise me, as the algorithm takes the height of subtrees into account. In my tests, I definitely saw scenarios in which this context would have helped. On top of that, the authors promise O(n^2) runtime complexity in the worst case which, given the Change Distiller's O(n^2 * log n^2), looks particularly tempting. I hope to try this algorithm out at some point, and there is a good chance you see me writing about it in my future posts.

\n\n

Conclusion

\n\n

The Change Distiller algorithm yielded quite satisfactory results in most of my tests. The scenarios in which it fell short mostly concerned identical (or very similar) subtrees located in different parts of the AST. In those cases, node mismatches were frequent and, as a result, edit scripts were somewhat suboptimal.

\n\n

Additionally, the runtime performance of the algorithm leaves a lot to be desired. On trees with 1000 leaf nodes each, the algorithm takes a little under 2 seconds to complete. My implementation still has room for improvement, but this should give you a rough idea of what to expect. It appears that the Gumtree algorithm [4] can help address both of these points. I hope to find bandwidth to work on it soon and then compare the two algorithms side-by-side to find out which one performs better on SQL specifically. In the meantime, Change Distiller definitely gets the job done, and I can now proceed with applying it to some of the use cases I mentioned at the beginning of this post.

\n\n

I\u2019m also curious to learn whether other folks in the industry faced a similar problem, and how they approached it. If you did something similar, I\u2019m interested to hear about your experience.

\n\n

References

\n\n

[1] Eugene W. Myers. An O(ND) Difference Algorithm and Its Variations. Algorithmica 1(2): 251-266 (1986)

\n\n

[2] B. Fluri, M. Wursch, M. Pinzger, and H. Gall. Change Distilling: Tree differencing for fine-grained source code change extraction. IEEE Trans. Software Eng., 33(11):725\u2013743, 2007.

\n\n

[3] S.S. Chawathe, A. Rajaraman, H. Garcia-Molina, and J. Widom. Change Detection in Hierarchically Structured Information. Proc. ACM Sigmod Int\u2019l Conf. Management of Data, pp. 493-504, June 1996

\n\n

[4] Jean-R\u00e9my Falleri, Flor\u00e9al Morandat, Xavier Blanc, Matias Martinez, Martin Monperrus. Fine-grained and Accurate Source Code Differencing. Proceedings of the International Conference on Automated Software Engineering, 2014, V\u00e4steras, Sweden. pp.313-324, 10.1145/2642937.2642982. hal-01054552

\n\n
\n"}, "sqlglot.diff.Insert": {"fullname": "sqlglot.diff.Insert", "modulename": "sqlglot.diff", "qualname": "Insert", "kind": "class", "doc": "

Indicates that a new node has been inserted

\n"}, "sqlglot.diff.Insert.__init__": {"fullname": "sqlglot.diff.Insert.__init__", "modulename": "sqlglot.diff", "qualname": "Insert.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression)"}, "sqlglot.diff.Remove": {"fullname": "sqlglot.diff.Remove", "modulename": "sqlglot.diff", "qualname": "Remove", "kind": "class", "doc": "

Indicates that an existing node has been removed

\n"}, "sqlglot.diff.Remove.__init__": {"fullname": "sqlglot.diff.Remove.__init__", "modulename": "sqlglot.diff", "qualname": "Remove.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression)"}, "sqlglot.diff.Move": {"fullname": "sqlglot.diff.Move", "modulename": "sqlglot.diff", "qualname": "Move", "kind": "class", "doc": "

Indicates that an existing node's position within the tree has changed

\n"}, "sqlglot.diff.Move.__init__": {"fullname": "sqlglot.diff.Move.__init__", "modulename": "sqlglot.diff", "qualname": "Move.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression)"}, "sqlglot.diff.Update": {"fullname": "sqlglot.diff.Update", "modulename": "sqlglot.diff", "qualname": "Update", "kind": "class", "doc": "

Indicates that an existing node has been updated

\n"}, "sqlglot.diff.Update.__init__": {"fullname": "sqlglot.diff.Update.__init__", "modulename": "sqlglot.diff", "qualname": "Update.__init__", "kind": "function", "doc": "

\n", "signature": "(\tsource: sqlglot.expressions.Expression,\ttarget: sqlglot.expressions.Expression)"}, "sqlglot.diff.Keep": {"fullname": "sqlglot.diff.Keep", "modulename": "sqlglot.diff", "qualname": "Keep", "kind": "class", "doc": "

Indicates that an existing node hasn't been changed

\n"}, "sqlglot.diff.Keep.__init__": {"fullname": "sqlglot.diff.Keep.__init__", "modulename": "sqlglot.diff", "qualname": "Keep.__init__", "kind": "function", "doc": "

\n", "signature": "(\tsource: sqlglot.expressions.Expression,\ttarget: sqlglot.expressions.Expression)"}, "sqlglot.diff.diff": {"fullname": "sqlglot.diff.diff", "modulename": "sqlglot.diff", "qualname": "diff", "kind": "function", "doc": "

Returns the list of changes between the source and the target expressions.

\n\n
Examples:
\n\n
\n
\n
>>> diff(parse_one("a + b"), parse_one("a + c"))\n[\n    Remove(expression=(COLUMN this: (IDENTIFIER this: b, quoted: False))),\n    Insert(expression=(COLUMN this: (IDENTIFIER this: c, quoted: False))),\n    Keep(\n        source=(ADD this: ...),\n        target=(ADD this: ...)\n    ),\n    Keep(\n        source=(COLUMN this: (IDENTIFIER this: a, quoted: False)),\n        target=(COLUMN this: (IDENTIFIER this: a, quoted: False))\n    ),\n]\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • source: the source expression.
    • \n
  • target: the target expression against which the diff should be calculated.
    • \n
  • matchings: the list of pre-matched node pairs which is used to help the algorithm's\nheuristics produce better results for subtrees that are known by a caller to be matching.\nNote: expression references in this list must refer to the same node objects that are\nreferenced in source / target trees.
    • \n
\n\n
Returns:
\n\n
\n

the list of Insert, Remove, Move, Update and Keep objects for each node in the source and the\n target expression trees. This list represents a sequence of steps needed to transform the source\n expression tree into the target one.

\n
\n", "signature": "(\tsource: sqlglot.expressions.Expression,\ttarget: sqlglot.expressions.Expression,\tmatchings: Optional[List[Tuple[sqlglot.expressions.Expression, sqlglot.expressions.Expression]]] = None,\t**kwargs: Any) -> List[Union[sqlglot.diff.Insert, sqlglot.diff.Remove, sqlglot.diff.Move, sqlglot.diff.Update, sqlglot.diff.Keep]]:", "funcdef": "def"}, "sqlglot.diff.ChangeDistiller": {"fullname": "sqlglot.diff.ChangeDistiller", "modulename": "sqlglot.diff", "qualname": "ChangeDistiller", "kind": "class", "doc": "

The implementation of the Change Distiller algorithm described by Beat Fluri and Martin Pinzger in\ntheir paper https://ieeexplore.ieee.org/document/4339230, which in turn is based on the algorithm by\nChawathe et al. described in http://ilpubs.stanford.edu:8090/115/1/1995-46.pdf.

\n"}, "sqlglot.diff.ChangeDistiller.__init__": {"fullname": "sqlglot.diff.ChangeDistiller.__init__", "modulename": "sqlglot.diff", "qualname": "ChangeDistiller.__init__", "kind": "function", "doc": "

\n", "signature": "(f: float = 0.6, t: float = 0.6)"}, "sqlglot.diff.ChangeDistiller.diff": {"fullname": "sqlglot.diff.ChangeDistiller.diff", "modulename": "sqlglot.diff", "qualname": "ChangeDistiller.diff", "kind": "function", "doc": "

\n", "signature": "(\tself,\tsource: sqlglot.expressions.Expression,\ttarget: sqlglot.expressions.Expression,\tmatchings: Optional[List[Tuple[sqlglot.expressions.Expression, sqlglot.expressions.Expression]]] = None) -> List[Union[sqlglot.diff.Insert, sqlglot.diff.Remove, sqlglot.diff.Move, sqlglot.diff.Update, sqlglot.diff.Keep]]:", "funcdef": "def"}, "sqlglot.errors": {"fullname": "sqlglot.errors", "modulename": "sqlglot.errors", "kind": "module", "doc": "

\n"}, "sqlglot.errors.ErrorLevel": {"fullname": "sqlglot.errors.ErrorLevel", "modulename": "sqlglot.errors", "qualname": "ErrorLevel", "kind": "class", "doc": "

An enumeration.

\n", "bases": "sqlglot.helper.AutoName"}, "sqlglot.errors.ErrorLevel.IGNORE": {"fullname": "sqlglot.errors.ErrorLevel.IGNORE", "modulename": "sqlglot.errors", "qualname": "ErrorLevel.IGNORE", "kind": "variable", "doc": "

Ignore all errors.

\n", "default_value": "<ErrorLevel.IGNORE: 'IGNORE'>"}, "sqlglot.errors.ErrorLevel.WARN": {"fullname": "sqlglot.errors.ErrorLevel.WARN", "modulename": "sqlglot.errors", "qualname": "ErrorLevel.WARN", "kind": "variable", "doc": "

Log all errors.

\n", "default_value": "<ErrorLevel.WARN: 'WARN'>"}, "sqlglot.errors.ErrorLevel.RAISE": {"fullname": "sqlglot.errors.ErrorLevel.RAISE", "modulename": "sqlglot.errors", "qualname": "ErrorLevel.RAISE", "kind": "variable", "doc": "

Collect all errors and raise a single exception.

\n", "default_value": "<ErrorLevel.RAISE: 'RAISE'>"}, "sqlglot.errors.ErrorLevel.IMMEDIATE": {"fullname": "sqlglot.errors.ErrorLevel.IMMEDIATE", "modulename": "sqlglot.errors", "qualname": "ErrorLevel.IMMEDIATE", "kind": "variable", "doc": "

Immediately raise an exception on the first error found.

\n", "default_value": "<ErrorLevel.IMMEDIATE: 'IMMEDIATE'>"}, "sqlglot.errors.SqlglotError": {"fullname": "sqlglot.errors.SqlglotError", "modulename": "sqlglot.errors", "qualname": "SqlglotError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "builtins.Exception"}, "sqlglot.errors.UnsupportedError": {"fullname": "sqlglot.errors.UnsupportedError", "modulename": "sqlglot.errors", "qualname": "UnsupportedError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.ParseError": {"fullname": "sqlglot.errors.ParseError", "modulename": "sqlglot.errors", "qualname": "ParseError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.ParseError.__init__": {"fullname": "sqlglot.errors.ParseError.__init__", "modulename": "sqlglot.errors", "qualname": "ParseError.__init__", "kind": "function", "doc": "

\n", "signature": "(message: str, errors: Optional[List[Dict[str, Any]]] = None)"}, "sqlglot.errors.ParseError.new": {"fullname": "sqlglot.errors.ParseError.new", "modulename": "sqlglot.errors", "qualname": "ParseError.new", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tmessage: str,\tdescription: Optional[str] = None,\tline: Optional[int] = None,\tcol: Optional[int] = None,\tstart_context: Optional[str] = None,\thighlight: Optional[str] = None,\tend_context: Optional[str] = None,\tinto_expression: Optional[str] = None) -> sqlglot.errors.ParseError:", "funcdef": "def"}, "sqlglot.errors.TokenError": {"fullname": "sqlglot.errors.TokenError", "modulename": "sqlglot.errors", "qualname": "TokenError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.OptimizeError": {"fullname": "sqlglot.errors.OptimizeError", "modulename": "sqlglot.errors", "qualname": "OptimizeError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.SchemaError": {"fullname": "sqlglot.errors.SchemaError", "modulename": "sqlglot.errors", "qualname": "SchemaError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.ExecuteError": {"fullname": "sqlglot.errors.ExecuteError", "modulename": "sqlglot.errors", "qualname": "ExecuteError", "kind": "class", "doc": "

Common base class for all non-exit exceptions.

\n", "bases": "SqlglotError"}, "sqlglot.errors.concat_messages": {"fullname": "sqlglot.errors.concat_messages", "modulename": "sqlglot.errors", "qualname": "concat_messages", "kind": "function", "doc": "

\n", "signature": "(errors: Sequence[Any], maximum: int) -> str:", "funcdef": "def"}, "sqlglot.errors.merge_errors": {"fullname": "sqlglot.errors.merge_errors", "modulename": "sqlglot.errors", "qualname": "merge_errors", "kind": "function", "doc": "

\n", "signature": "(errors: Sequence[sqlglot.errors.ParseError]) -> List[Dict[str, Any]]:", "funcdef": "def"}, "sqlglot.executor": {"fullname": "sqlglot.executor", "modulename": "sqlglot.executor", "kind": "module", "doc": "

Writing a Python SQL engine from scratch

\n\n

Toby Mao

\n\n

Introduction

\n\n

When I first started writing SQLGlot in early 2021, my goal was just to translate SQL queries from SparkSQL to Presto and vice versa. However, over the last year and a half, I've ended up with a full-fledged SQL engine. SQLGlot can now parse and transpile between 18 SQL dialects and can execute all 24 TPC-H SQL queries. The parser and engine are all written from scratch using Python.

\n\n

This post will cover why I went through the effort of creating a Python SQL engine and how a simple query goes from a string to actually transforming data. The following steps are briefly summarized:

\n\n\n\n

Why?

\n\n

I started working on SQLGlot because of my work on the experimentation and metrics platform at Netflix, where I built tools that allowed data scientists to define and compute SQL-based metrics. Netflix relied on multiple engines to query data (Spark, Presto, and Druid), so my team built the metrics platform around PyPika, a Python SQL query builder. This way, definitions could be reused across multiple engines. However, it became quickly apparent that writing python code to programmatically generate SQL was challenging for data scientists, especially those with academic backgrounds, since they were mostly familiar with R and SQL. At the time, the only Python SQL parser was sqlparse, which is not actually a parser but a tokenizer, so having users write raw SQL into the platform wasn't really an option. Some time later, I randomly stumbled across Crafting Interpreters and realized that I could use it as a guide towards creating my own SQL parser/transpiler.

\n\n

Why did I do this? Isn't a Python SQL engine going to be extremely slow?

\n\n

The main reason why I ended up building a SQL engine was...just for entertainment. It's been fun learning about all the things required to actually run a SQL query, and seeing it actually work is extremely rewarding. Before SQLGlot, I had zero experience with lexers, parsers, or compilers.

\n\n

In terms of practical use cases, I planned to use the Python SQL engine for unit testing SQL pipelines. Big data pipelines are tough to test because many of the engines are not open source and cannot be run locally. With SQLGlot, you can take a SQL query targeting a warehouse such as Snowflake and seamlessly run it in CI on mock Python data. It's easy to mock data and create arbitrary UDFs because everything is just Python. Although the implementation is slow and unsuitable for large amounts of data (> 1 million rows), there's very little overhead/startup and you can run queries on test data in a couple of milliseconds.

\n\n

Finally, the components that have been built to support execution can be used as a foundation for a faster engine. I'm inspired by what Apache Calcite has done for the JVM world. Even though Python is commonly used for data, there hasn't been a Calcite for Python. So, you could say that SQLGlot aims to be that framework. For example, it wouldn't take much work to replace the Python execution engine with numpy/pandas/arrow to become a respectably-performing query engine. The implementation would be able to leverage the parser, optimizer, and logical planner, only needing to implement physical execution. There is a lot of work in the Python ecosystem around high performance vectorized computation, which I think could benefit from a pure Python-based AST/plan. Parsing and planning doesn't have to be fast when the bottleneck of running queries is processing terabytes of data. So, having a Python-based ecosystem around SQL is beneficial given the ease of development in Python, despite not having bare metal performance.

\n\n

Parts of SQLGlot's toolkit are being used today by the following:

\n\n
    \n
  • Ibis: A Python library that provides a lightweight, universal interface for data wrangling.\n
      \n
    • Uses the Python SQL expression builder and leverages the optimizer/planner to convert SQL into dataframe operations.
      • \n
    • \n
  • mysql-mimic: Pure-Python implementation of the MySQL server wire protocol\n
      \n
    • Parses / transforms SQL and executes INFORMATION_SCHEMA queries.
      • \n
    • \n
  • Quokka: Push-based vectorized query engine\n
      \n
    • Parse and optimizes SQL.
      • \n
    • \n
  • Splink: Fast, accurate and scalable probabilistic data linkage using your choice of SQL backend.\n
      \n
    • Transpiles queries.
      • \n
    • \n
\n\n

How?

\n\n

There are many steps involved with actually running a simple query like:

\n\n
\n
SELECT\n  bar.a,\n  b + 1 AS b\nFROM bar\nJOIN baz\n  ON bar.a = baz.a\nWHERE bar.a > 1\n
\n
\n\n

In this post, I'll walk through all the steps SQLGlot takes to run this query over Python objects.

\n\n

Tokenizing

\n\n

The first step is to convert the sql string into a list of tokens. SQLGlot's tokenizer is quite simple and can be found here. In a while loop, it checks each character and either appends the character to the current token, or makes a new token.

\n\n

Running the SQLGlot tokenizer shows the output.

\n\n

\"Tokenizer

\n\n

Each keyword has been converted to a SQLGlot Token object. Each token has some metadata associated with it, like line/column information for error messages. Comments are also a part of the token, so that comments can be preserved.

\n\n

Parsing

\n\n

Once a SQL statement is tokenized, we don't need to worry about white space and other formatting, so it's easier to work with. We can now convert the list of tokens into an AST. The SQLGlot parser is a handwritten recursive descent parser.

\n\n

Similar to the tokenizer, it consumes the tokens sequentially, but it instead uses a recursive algorithm. The tokens are converted into a single AST node that presents the SQL query. The SQLGlot parser was designed to support various dialects, so it contains many options for overriding parsing functionality.

\n\n

\"Parser

\n\n

The AST is a generic representation of a given SQL query. Each dialect can override or implement its own generator, which can convert an AST object into syntatically-correct SQL.

\n\n

Optimizing

\n\n

Once we have our AST, we can transform it into an equivalent query that produces the same results more efficiently. When optimizing queries, most engines first convert the AST into a logical plan and then optimize the plan. However, I chose to optimize the AST directly for the following reasons:

\n\n
    \n

  1. It's easier to debug and validate the optimizations when the input and output are both SQL.

    2. \n

  2. Rules can be applied a la carte to transform SQL into a more desirable form.

    3. \n

  3. I wanted a way to generate 'canonical sql'. Having a canonical representation of SQL is useful for understanding if two queries are semantically equivalent (e.g. SELECT 1 + 1 and SELECT 2).

    4. \n
\n\n

I've yet to find another engine that takes this approach, but I'm quite happy with this decision. The optimizer currently does not perform any \"physical optimizations\" such as join reordering. Those are left to the execution layer, as additional statistics and information could become relevant.

\n\n

\"Optimizer

\n\n

The optimizer currently has 17 rules. Each of these rules is applied, transforming the AST in place. The combination of these rules creates \"canonical\" sql that can then be more easily converted into a logical plan and executed.

\n\n

Some example rules are:

\n\n

qualify_tables and qualify_columns

\n\n
    \n
  • Adds all db/catalog qualifiers to tables and forces an alias.
    • \n
  • Ensure each column is unambiguous and expand stars.
    • \n
\n\n
\n
SELECT * FROM x;\n\nSELECT "db"."x" AS "x";\n
\n
\n\n

simplify

\n\n

Boolean and math simplification. Check out all the test cases.

\n\n
\n
((NOT FALSE) AND (x = x)) AND (TRUE OR 1 <> 3);\nx = x;\n\n1 + 1;\n2;\n
\n
\n\n

normalize

\n\n

Attempts to convert all predicates into conjunctive normal form.

\n\n
\n
-- DNF\n(A AND B) OR (B AND C AND D);\n\n-- CNF\n(A OR C) AND (A OR D) AND B;\n
\n
\n\n

unnest_subqueries

\n\n

Converts subqueries in predicates into joins.

\n\n
\n
-- The subquery can be converted into a left join\nSELECT *\nFROM x AS x\nWHERE (\n  SELECT y.a AS a\n  FROM y AS y\n  WHERE x.a = y.a\n) = 1;\n\nSELECT *\nFROM x AS x\nLEFT JOIN (\n  SELECT y.a AS a\n  FROM y AS y\n  WHERE TRUE\n  GROUP BY y.a\n) AS "_u_0"\n  ON x.a = "_u_0".a\nWHERE ("_u_0".a = 1 AND NOT "_u_0".a IS NULL)\n
\n
\n\n

pushdown_predicates

\n\n

Push down filters into the innermost query.

\n\n
\n
SELECT *\nFROM (\n  SELECT *\n  FROM x AS x\n) AS y\nWHERE y.a = 1;\n\nSELECT *\nFROM (\n  SELECT *\n  FROM x AS x\n  WHERE y.a = 1\n) AS y WHERE TRUE\n
\n
\n\n

annotate_types

\n\n

Infer all types throughout the AST given schema information and function type definitions.

\n\n

Planning

\n\n

After the SQL AST has been \"optimized\", it's much easier to convert into a logical plan. The AST is traversed and converted into a DAG consisting of one of five steps. The different steps are:

\n\n

Scan

\n\n

Selects columns from a table, applies projections, and finally filters the table.

\n\n

Sort

\n\n

Sorts a table for order by expressions.

\n\n

Set

\n\n

Applies the operators union/union all/except/intersect.

\n\n

Aggregate

\n\n

Applies an aggregation/group by.

\n\n

Join

\n\n

Joins multiple tables together.

\n\n

\"Planner

\n\n

The logical plan is quite simple and contains the information required to convert it into a physical plan (execution).

\n\n

Executing

\n\n

Finally, we can actually execute the SQL query. The Python engine is not fast, but it's very small (~400 LOC)! It iterates the DAG with a queue and runs each step, passing each intermediary table to the next step.

\n\n

In order to keep things simple, it evaluates expressions with eval. Because SQLGlot was built primarily to be a transpiler, it was simple to create a \"Python SQL\" dialect. So a SQL expression x + 1 can just be converted into scope['x'] + 1.

\n\n

\"Executor

\n\n

What's next

\n\n

SQLGlot's main focus will always be on parsing/transpiling, but I plan to continue development on the execution engine. I'd like to pass TPC-DS. If someone doesn't beat me to it, I may even take a stab at writing a Pandas/Arrow execution engine.

\n\n

I'm hoping that over time, SQLGlot will spark the Python SQL ecosystem just like Calcite has for Java.

\n\n

Special thanks

\n\n

SQLGlot would not be what it is without it's core contributors. In particular, the execution engine would not exist without Barak Alon and George Sittas.

\n\n

Get in touch

\n\n

If you'd like to chat more about SQLGlot, please join my Slack Channel!

\n\n
\n"}, "sqlglot.executor.execute": {"fullname": "sqlglot.executor.execute", "modulename": "sqlglot.executor", "qualname": "execute", "kind": "function", "doc": "

Run a sql query against data.

\n\n
Arguments:
\n\n
    \n
  • sql: a sql statement.
    • \n
  • schema: database schema.\nThis can either be an instance of Schema or a mapping in one of the following forms:\n
      \n
    1. {table: {col: type}}
      2. \n
    2. {db: {table: {col: type}}}
      3. \n
    3. {catalog: {db: {table: {col: type}}}}
      4. \n
    • \n
  • read: the SQL dialect to apply during parsing (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • tables: additional tables to register.
    • \n
\n\n
Returns:
\n\n
\n

Simple columnar data structure.

\n
\n", "signature": "(\tsql: str | sqlglot.expressions.Expression,\tschema: Union[Dict, sqlglot.schema.Schema, NoneType] = None,\tread: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\ttables: Optional[Dict] = None) -> sqlglot.executor.table.Table:", "funcdef": "def"}, "sqlglot.executor.context": {"fullname": "sqlglot.executor.context", "modulename": "sqlglot.executor.context", "kind": "module", "doc": "

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Execution context for sql expressions.

\n\n

Context is used to hold relevant data tables which can then be queried on with eval.

\n\n

References to columns can either be scalar or vectors. When set_row is used, column references\nevaluate to scalars while set_range evaluates to vectors. This allows convenient and efficient\nevaluation of aggregation functions.

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Args\n tables: representing the scope of the current execution context.\n env: dictionary of functions within the execution context.

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Decorator that makes a function return None if any of the required arguments are None.

\n\n

This also supports decoration with no arguments, e.g.:

\n\n
@null_if_any\ndef foo(a, b): ...\n
\n\n

In which case all arguments are required.

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Convert a SQL expression into literal Python code and compile it into bytecode.

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Convert an array of SQL expressions into tuple of Python byte code.

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\n", "signature": "(self, step):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.scan_csv": {"fullname": "sqlglot.executor.python.PythonExecutor.scan_csv", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.scan_csv", "kind": "function", "doc": "

\n", "signature": "(self, step):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.join": {"fullname": "sqlglot.executor.python.PythonExecutor.join", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.join", "kind": "function", "doc": "

\n", "signature": "(self, step, context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.nested_loop_join": {"fullname": "sqlglot.executor.python.PythonExecutor.nested_loop_join", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.nested_loop_join", "kind": "function", "doc": "

\n", "signature": "(self, _join, source_context, join_context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.hash_join": {"fullname": "sqlglot.executor.python.PythonExecutor.hash_join", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.hash_join", "kind": "function", "doc": "

\n", "signature": "(self, join, source_context, join_context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.aggregate": {"fullname": "sqlglot.executor.python.PythonExecutor.aggregate", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.aggregate", "kind": "function", "doc": "

\n", "signature": "(self, step, context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.sort": {"fullname": "sqlglot.executor.python.PythonExecutor.sort", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.sort", "kind": "function", "doc": "

\n", "signature": "(self, step, context):", "funcdef": "def"}, "sqlglot.executor.python.PythonExecutor.set_operation": {"fullname": "sqlglot.executor.python.PythonExecutor.set_operation", "modulename": "sqlglot.executor.python", "qualname": "PythonExecutor.set_operation", "kind": "function", "doc": "

\n", "signature": "(self, step, context):", "funcdef": "def"}, "sqlglot.executor.python.Python": {"fullname": "sqlglot.executor.python.Python", "modulename": "sqlglot.executor.python", "qualname": "Python", "kind": "class", "doc": "

\n", "bases": "sqlglot.dialects.dialect.Dialect"}, "sqlglot.executor.python.Python.Tokenizer": {"fullname": "sqlglot.executor.python.Python.Tokenizer", "modulename": "sqlglot.executor.python", "qualname": "Python.Tokenizer", "kind": "class", "doc": "

\n", "bases": "sqlglot.tokens.Tokenizer"}, "sqlglot.executor.python.Python.Generator": {"fullname": "sqlglot.executor.python.Python.Generator", "modulename": "sqlglot.executor.python", "qualname": "Python.Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n", "bases": "sqlglot.generator.Generator"}, "sqlglot.executor.table": {"fullname": "sqlglot.executor.table", "modulename": "sqlglot.executor.table", "kind": "module", "doc": "

\n"}, "sqlglot.executor.table.Table": {"fullname": "sqlglot.executor.table.Table", "modulename": "sqlglot.executor.table", "qualname": "Table", "kind": "class", "doc": "

\n"}, "sqlglot.executor.table.Table.__init__": {"fullname": "sqlglot.executor.table.Table.__init__", "modulename": "sqlglot.executor.table", "qualname": "Table.__init__", "kind": "function", "doc": "

\n", "signature": "(columns, rows=None, column_range=None)"}, "sqlglot.executor.table.Table.add_columns": {"fullname": "sqlglot.executor.table.Table.add_columns", "modulename": "sqlglot.executor.table", "qualname": "Table.add_columns", "kind": "function", "doc": "

\n", "signature": "(self, *columns: str) -> None:", "funcdef": "def"}, "sqlglot.executor.table.Table.append": {"fullname": "sqlglot.executor.table.Table.append", "modulename": "sqlglot.executor.table", "qualname": "Table.append", "kind": "function", "doc": "

\n", "signature": "(self, row):", "funcdef": "def"}, "sqlglot.executor.table.Table.pop": {"fullname": "sqlglot.executor.table.Table.pop", "modulename": "sqlglot.executor.table", "qualname": "Table.pop", "kind": "function", "doc": "

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.executor.table.TableIter": {"fullname": "sqlglot.executor.table.TableIter", "modulename": "sqlglot.executor.table", "qualname": "TableIter", "kind": "class", "doc": "

\n"}, "sqlglot.executor.table.TableIter.__init__": {"fullname": "sqlglot.executor.table.TableIter.__init__", "modulename": "sqlglot.executor.table", "qualname": "TableIter.__init__", "kind": "function", "doc": "

\n", "signature": "(table)"}, "sqlglot.executor.table.RangeReader": {"fullname": "sqlglot.executor.table.RangeReader", "modulename": "sqlglot.executor.table", "qualname": "RangeReader", "kind": "class", "doc": "

\n"}, "sqlglot.executor.table.RangeReader.__init__": {"fullname": "sqlglot.executor.table.RangeReader.__init__", "modulename": "sqlglot.executor.table", "qualname": "RangeReader.__init__", "kind": "function", "doc": "

\n", "signature": "(table)"}, "sqlglot.executor.table.RowReader": {"fullname": "sqlglot.executor.table.RowReader", "modulename": "sqlglot.executor.table", "qualname": "RowReader", "kind": "class", "doc": "

\n"}, "sqlglot.executor.table.RowReader.__init__": {"fullname": "sqlglot.executor.table.RowReader.__init__", "modulename": "sqlglot.executor.table", "qualname": "RowReader.__init__", "kind": "function", "doc": "

\n", "signature": "(columns, column_range=None)"}, "sqlglot.executor.table.Tables": {"fullname": "sqlglot.executor.table.Tables", "modulename": "sqlglot.executor.table", "qualname": "Tables", "kind": "class", "doc": "

Abstract base class for generic types.

\n\n

A generic type is typically declared by inheriting from\nthis class parameterized with one or more type variables.\nFor example, a generic mapping type might be defined as::

\n\n

class Mapping(Generic[KT, VT]):\n def __getitem__(self, key: KT) -> VT:\n ...\n # Etc.

\n\n

This class can then be used as follows::

\n\n

def lookup_name(mapping: Mapping[KT, VT], key: KT, default: VT) -> VT:\n try:\n return mapping[key]\n except KeyError:\n return default

\n", "bases": "sqlglot.schema.AbstractMappingSchema[sqlglot.executor.table.Table]"}, "sqlglot.executor.table.ensure_tables": {"fullname": "sqlglot.executor.table.ensure_tables", "modulename": "sqlglot.executor.table", "qualname": "ensure_tables", "kind": "function", "doc": "

\n", "signature": "(d: Optional[Dict]) -> sqlglot.executor.table.Tables:", "funcdef": "def"}, "sqlglot.expressions": {"fullname": "sqlglot.expressions", "modulename": "sqlglot.expressions", "kind": "module", "doc": "

Expressions

\n\n

Every AST node in SQLGlot is represented by a subclass of Expression.

\n\n

This module contains the implementation of all supported Expression types. Additionally,\nit exposes a number of helper functions, which are mainly used to programmatically build\nSQL expressions, such as sqlglot.expressions.select.

\n\n
\n"}, "sqlglot.expressions.Expression": {"fullname": "sqlglot.expressions.Expression", "modulename": "sqlglot.expressions", "qualname": "Expression", "kind": "class", "doc": "

The base class for all expressions in a syntax tree. Each Expression encapsulates any necessary\ncontext, such as its child expressions, their names (arg keys), and whether a given child expression\nis optional or not.

\n\n
Attributes:
\n\n
    \n
  • key: a unique key for each class in the Expression hierarchy. This is useful for hashing\nand representing expressions as strings.
    • \n
  • arg_types: determines what arguments (child nodes) are supported by an expression. It\nmaps arg keys to booleans that indicate whether the corresponding args are optional.
    • \n
\n\n
Example:
\n\n
\n
\n
>>> class Foo(Expression):\n...     arg_types = {"this": True, "expression": False}\n
\n
\n \n

The above definition informs us that Foo is an Expression that requires an argument called\n \"this\" and may also optionally receive an argument called \"expression\".

\n
\n\n
Arguments:
\n\n
    \n
  • args: a mapping used for retrieving the arguments of an expression, given their arg keys.
    • \n
  • parent: a reference to the parent expression (or None, in case of root expressions).
    • \n
  • arg_key: the arg key an expression is associated with, i.e. the name its parent expression\nuses to refer to it.
    • \n
  • comments: a list of comments that are associated with a given expression. This is used in\norder to preserve comments when transpiling SQL code.
    • \n
  • _type: the sqlglot.expressions.DataType type of an expression. This is inferred by the\noptimizer, in order to enable some transformations that require type information.
    • \n
\n"}, "sqlglot.expressions.Expression.__init__": {"fullname": "sqlglot.expressions.Expression.__init__", "modulename": "sqlglot.expressions", "qualname": "Expression.__init__", "kind": "function", "doc": "

\n", "signature": "(**args: Any)"}, "sqlglot.expressions.Expression.this": {"fullname": "sqlglot.expressions.Expression.this", "modulename": "sqlglot.expressions", "qualname": "Expression.this", "kind": "variable", "doc": "

Retrieves the argument with key \"this\".

\n"}, "sqlglot.expressions.Expression.expression": {"fullname": "sqlglot.expressions.Expression.expression", "modulename": "sqlglot.expressions", "qualname": "Expression.expression", "kind": "variable", "doc": "

Retrieves the argument with key \"expression\".

\n"}, "sqlglot.expressions.Expression.expressions": {"fullname": "sqlglot.expressions.Expression.expressions", "modulename": "sqlglot.expressions", "qualname": "Expression.expressions", "kind": "variable", "doc": "

Retrieves the argument with key \"expressions\".

\n"}, "sqlglot.expressions.Expression.text": {"fullname": "sqlglot.expressions.Expression.text", "modulename": "sqlglot.expressions", "qualname": "Expression.text", "kind": "function", "doc": "

Returns a textual representation of the argument corresponding to \"key\". This can only be used\nfor args that are strings or leaf Expression instances, such as identifiers and literals.

\n", "signature": "(self, key) -> str:", "funcdef": "def"}, "sqlglot.expressions.Expression.is_string": {"fullname": "sqlglot.expressions.Expression.is_string", "modulename": "sqlglot.expressions", "qualname": "Expression.is_string", "kind": "variable", "doc": "

Checks whether a Literal expression is a string.

\n", "annotation": ": bool"}, "sqlglot.expressions.Expression.is_number": {"fullname": "sqlglot.expressions.Expression.is_number", "modulename": "sqlglot.expressions", "qualname": "Expression.is_number", "kind": "variable", "doc": "

Checks whether a Literal expression is a number.

\n", "annotation": ": bool"}, "sqlglot.expressions.Expression.is_int": {"fullname": "sqlglot.expressions.Expression.is_int", "modulename": "sqlglot.expressions", "qualname": "Expression.is_int", "kind": "variable", "doc": "

Checks whether a Literal expression is an integer.

\n", "annotation": ": bool"}, "sqlglot.expressions.Expression.is_star": {"fullname": "sqlglot.expressions.Expression.is_star", "modulename": "sqlglot.expressions", "qualname": "Expression.is_star", "kind": "variable", "doc": "

Checks whether an expression is a star.

\n", "annotation": ": bool"}, "sqlglot.expressions.Expression.alias": {"fullname": "sqlglot.expressions.Expression.alias", "modulename": "sqlglot.expressions", "qualname": "Expression.alias", "kind": "variable", "doc": "

Returns the alias of the expression, or an empty string if it's not aliased.

\n", "annotation": ": str"}, "sqlglot.expressions.Expression.output_name": {"fullname": "sqlglot.expressions.Expression.output_name", "modulename": "sqlglot.expressions", "qualname": "Expression.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Expression.copy": {"fullname": "sqlglot.expressions.Expression.copy", "modulename": "sqlglot.expressions", "qualname": "Expression.copy", "kind": "function", "doc": "

Returns a deep copy of the expression.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.append": {"fullname": "sqlglot.expressions.Expression.append", "modulename": "sqlglot.expressions", "qualname": "Expression.append", "kind": "function", "doc": "

Appends value to arg_key if it's a list or sets it as a new list.

\n\n
Arguments:
\n\n
    \n
  • arg_key (str): name of the list expression arg
    • \n
  • value (Any): value to append to the list
    • \n
\n", "signature": "(self, arg_key, value):", "funcdef": "def"}, "sqlglot.expressions.Expression.set": {"fullname": "sqlglot.expressions.Expression.set", "modulename": "sqlglot.expressions", "qualname": "Expression.set", "kind": "function", "doc": "

Sets arg_key to value.

\n\n
Arguments:
\n\n
    \n
  • arg_key (str): name of the expression arg.
    • \n
  • value: value to set the arg to.
    • \n
\n", "signature": "(self, arg_key, value):", "funcdef": "def"}, "sqlglot.expressions.Expression.depth": {"fullname": "sqlglot.expressions.Expression.depth", "modulename": "sqlglot.expressions", "qualname": "Expression.depth", "kind": "variable", "doc": "

Returns the depth of this tree.

\n"}, "sqlglot.expressions.Expression.iter_expressions": {"fullname": "sqlglot.expressions.Expression.iter_expressions", "modulename": "sqlglot.expressions", "qualname": "Expression.iter_expressions", "kind": "function", "doc": "

Yields the key and expression for all arguments, exploding list args.

\n", "signature": "(self) -> Iterator[Tuple[str, sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.expressions.Expression.find": {"fullname": "sqlglot.expressions.Expression.find", "modulename": "sqlglot.expressions", "qualname": "Expression.find", "kind": "function", "doc": "

Returns the first node in this tree which matches at least one of\nthe specified types.

\n\n
Arguments:
\n\n
    \n
  • expression_types: the expression type(s) to match.
    • \n
\n\n
Returns:
\n\n
\n

The node which matches the criteria or None if no such node was found.

\n
\n", "signature": "(self, *expression_types: Type[~E], bfs=True) -> Optional[~E]:", "funcdef": "def"}, "sqlglot.expressions.Expression.find_all": {"fullname": "sqlglot.expressions.Expression.find_all", "modulename": "sqlglot.expressions", "qualname": "Expression.find_all", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this tree and only\nyields those that match at least one of the specified expression types.

\n\n
Arguments:
\n\n
    \n
  • expression_types: the expression type(s) to match.
    • \n
\n\n
Returns:
\n\n
\n

The generator object.

\n
\n", "signature": "(self, *expression_types: Type[~E], bfs=True) -> Iterator[~E]:", "funcdef": "def"}, "sqlglot.expressions.Expression.find_ancestor": {"fullname": "sqlglot.expressions.Expression.find_ancestor", "modulename": "sqlglot.expressions", "qualname": "Expression.find_ancestor", "kind": "function", "doc": "

Returns a nearest parent matching expression_types.

\n\n
Arguments:
\n\n
    \n
  • expression_types: the expression type(s) to match.
    • \n
\n\n
Returns:
\n\n
\n

The parent node.

\n
\n", "signature": "(self, *expression_types: Type[~E]) -> Optional[~E]:", "funcdef": "def"}, "sqlglot.expressions.Expression.parent_select": {"fullname": "sqlglot.expressions.Expression.parent_select", "modulename": "sqlglot.expressions", "qualname": "Expression.parent_select", "kind": "variable", "doc": "

Returns the parent select statement.

\n"}, "sqlglot.expressions.Expression.same_parent": {"fullname": "sqlglot.expressions.Expression.same_parent", "modulename": "sqlglot.expressions", "qualname": "Expression.same_parent", "kind": "variable", "doc": "

Returns if the parent is the same class as itself.

\n"}, "sqlglot.expressions.Expression.root": {"fullname": "sqlglot.expressions.Expression.root", "modulename": "sqlglot.expressions", "qualname": "Expression.root", "kind": "function", "doc": "

Returns the root expression of this tree.

\n", "signature": "(self) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.expressions.Expression.walk": {"fullname": "sqlglot.expressions.Expression.walk", "modulename": "sqlglot.expressions", "qualname": "Expression.walk", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this tree.

\n\n
Arguments:
\n\n
    \n
  • bfs (bool): if set to True the BFS traversal order will be applied,\notherwise the DFS traversal will be used instead.
    • \n
  • prune ((node, parent, arg_key) -> bool): callable that returns True if\nthe generator should stop traversing this branch of the tree.
    • \n
\n\n
Returns:
\n\n
\n

the generator object.

\n
\n", "signature": "(self, bfs=True, prune=None):", "funcdef": "def"}, "sqlglot.expressions.Expression.dfs": {"fullname": "sqlglot.expressions.Expression.dfs", "modulename": "sqlglot.expressions", "qualname": "Expression.dfs", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this tree in\nthe DFS (Depth-first) order.

\n\n
Returns:
\n\n
\n

The generator object.

\n
\n", "signature": "(self, parent=None, key=None, prune=None):", "funcdef": "def"}, "sqlglot.expressions.Expression.bfs": {"fullname": "sqlglot.expressions.Expression.bfs", "modulename": "sqlglot.expressions", "qualname": "Expression.bfs", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this tree in\nthe BFS (Breadth-first) order.

\n\n
Returns:
\n\n
\n

The generator object.

\n
\n", "signature": "(self, prune=None):", "funcdef": "def"}, "sqlglot.expressions.Expression.unnest": {"fullname": "sqlglot.expressions.Expression.unnest", "modulename": "sqlglot.expressions", "qualname": "Expression.unnest", "kind": "function", "doc": "

Returns the first non parenthesis child or self.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.unalias": {"fullname": "sqlglot.expressions.Expression.unalias", "modulename": "sqlglot.expressions", "qualname": "Expression.unalias", "kind": "function", "doc": "

Returns the inner expression if this is an Alias.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.unnest_operands": {"fullname": "sqlglot.expressions.Expression.unnest_operands", "modulename": "sqlglot.expressions", "qualname": "Expression.unnest_operands", "kind": "function", "doc": "

Returns unnested operands as a tuple.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.flatten": {"fullname": "sqlglot.expressions.Expression.flatten", "modulename": "sqlglot.expressions", "qualname": "Expression.flatten", "kind": "function", "doc": "

Returns a generator which yields child nodes who's parents are the same class.

\n\n

A AND B AND C -> [A, B, C]

\n", "signature": "(self, unnest=True):", "funcdef": "def"}, "sqlglot.expressions.Expression.sql": {"fullname": "sqlglot.expressions.Expression.sql", "modulename": "sqlglot.expressions", "qualname": "Expression.sql", "kind": "function", "doc": "

Returns SQL string representation of this tree.

\n\n
Arguments:
\n\n
    \n
  • dialect: the dialect of the output SQL string (eg. \"spark\", \"hive\", \"presto\", \"mysql\").
    • \n
  • opts: other sqlglot.generator.Generator options.
    • \n
\n\n
Returns:
\n\n
\n

The SQL string.

\n
\n", "signature": "(\tself,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> str:", "funcdef": "def"}, "sqlglot.expressions.Expression.transform": {"fullname": "sqlglot.expressions.Expression.transform", "modulename": "sqlglot.expressions", "qualname": "Expression.transform", "kind": "function", "doc": "

Recursively visits all tree nodes (excluding already transformed ones)\nand applies the given transformation function to each node.

\n\n
Arguments:
\n\n
    \n
  • fun (function): a function which takes a node as an argument and returns a\nnew transformed node or the same node without modifications. If the function\nreturns None, then the corresponding node will be removed from the syntax tree.
    • \n
  • copy (bool): if set to True a new tree instance is constructed, otherwise the tree is\nmodified in place.
    • \n
\n\n
Returns:
\n\n
\n

The transformed tree.

\n
\n", "signature": "(self, fun, *args, copy=True, **kwargs):", "funcdef": "def"}, "sqlglot.expressions.Expression.replace": {"fullname": "sqlglot.expressions.Expression.replace", "modulename": "sqlglot.expressions", "qualname": "Expression.replace", "kind": "function", "doc": "

Swap out this expression with a new expression.

\n\n

For example::

\n\n
>>> tree = Select().select(\"x\").from_(\"tbl\")\n>>> tree.find(Column).replace(Column(this=\"y\"))\n(COLUMN this: y)\n>>> tree.sql()\n'SELECT y FROM tbl'\n
\n\n
Arguments:
\n\n
    \n
  • expression (Expression|None): new node
    • \n
\n\n
Returns:
\n\n
\n

The new expression or expressions.

\n
\n", "signature": "(self, expression):", "funcdef": "def"}, "sqlglot.expressions.Expression.pop": {"fullname": "sqlglot.expressions.Expression.pop", "modulename": "sqlglot.expressions", "qualname": "Expression.pop", "kind": "function", "doc": "

Remove this expression from its AST.

\n\n
Returns:
\n\n
\n

The popped expression.

\n
\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.assert_is": {"fullname": "sqlglot.expressions.Expression.assert_is", "modulename": "sqlglot.expressions", "qualname": "Expression.assert_is", "kind": "function", "doc": "

Assert that this Expression is an instance of type_.

\n\n

If it is NOT an instance of type_, this raises an assertion error.\nOtherwise, this returns this expression.

\n\n
Examples:
\n\n
\n

This is useful for type security in chained expressions:

\n \n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT x from y").assert_is(Select).select("z").sql()\n'SELECT x, z FROM y'\n
\n
\n
\n", "signature": "(self, type_):", "funcdef": "def"}, "sqlglot.expressions.Expression.error_messages": {"fullname": "sqlglot.expressions.Expression.error_messages", "modulename": "sqlglot.expressions", "qualname": "Expression.error_messages", "kind": "function", "doc": "

Checks if this expression is valid (e.g. all mandatory args are set).

\n\n
Arguments:
\n\n
    \n
  • args: a sequence of values that were used to instantiate a Func expression. This is used\nto check that the provided arguments don't exceed the function argument limit.
    • \n
\n\n
Returns:
\n\n
\n

A list of error messages for all possible errors that were found.

\n
\n", "signature": "(self, args: Optional[Sequence] = None) -> List[str]:", "funcdef": "def"}, "sqlglot.expressions.Expression.dump": {"fullname": "sqlglot.expressions.Expression.dump", "modulename": "sqlglot.expressions", "qualname": "Expression.dump", "kind": "function", "doc": "

Dump this Expression to a JSON-serializable dict.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Expression.load": {"fullname": "sqlglot.expressions.Expression.load", "modulename": "sqlglot.expressions", "qualname": "Expression.load", "kind": "function", "doc": "

Load a dict (as returned by Expression.dump) into an Expression instance.

\n", "signature": "(cls, obj):", "funcdef": "def"}, "sqlglot.expressions.Condition": {"fullname": "sqlglot.expressions.Condition", "modulename": "sqlglot.expressions", "qualname": "Condition", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Condition.and_": {"fullname": "sqlglot.expressions.Condition.and_", "modulename": "sqlglot.expressions", "qualname": "Condition.and_", "kind": "function", "doc": "

AND this condition with one or multiple expressions.

\n\n
Example:
\n\n
\n
\n
>>> condition("x=1").and_("y=1").sql()\n'x = 1 AND y = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

And: the new condition.

\n
\n", "signature": "(self, *expressions, dialect=None, copy=True, **opts):", "funcdef": "def"}, "sqlglot.expressions.Condition.or_": {"fullname": "sqlglot.expressions.Condition.or_", "modulename": "sqlglot.expressions", "qualname": "Condition.or_", "kind": "function", "doc": "

OR this condition with one or multiple expressions.

\n\n
Example:
\n\n
\n
\n
>>> condition("x=1").or_("y=1").sql()\n'x = 1 OR y = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Or: the new condition.

\n
\n", "signature": "(self, *expressions, dialect=None, copy=True, **opts):", "funcdef": "def"}, "sqlglot.expressions.Condition.not_": {"fullname": "sqlglot.expressions.Condition.not_", "modulename": "sqlglot.expressions", "qualname": "Condition.not_", "kind": "function", "doc": "

Wrap this condition with NOT.

\n\n
Example:
\n\n
\n
\n
>>> condition("x=1").not_().sql()\n'NOT x = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • copy (bool): whether or not to copy this object.
    • \n
\n\n
Returns:
\n\n
\n

Not: the new condition.

\n
\n", "signature": "(self, copy=True):", "funcdef": "def"}, "sqlglot.expressions.Condition.isin": {"fullname": "sqlglot.expressions.Condition.isin", "modulename": "sqlglot.expressions", "qualname": "Condition.isin", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*expressions: Any,\tquery: Union[str, sqlglot.expressions.Expression, NoneType] = None,\tcopy=True,\t**opts) -> sqlglot.expressions.In:", "funcdef": "def"}, "sqlglot.expressions.Condition.between": {"fullname": "sqlglot.expressions.Condition.between", "modulename": "sqlglot.expressions", "qualname": "Condition.between", "kind": "function", "doc": "

\n", "signature": "(\tself,\tlow: Any,\thigh: Any,\tcopy=True,\t**opts) -> sqlglot.expressions.Between:", "funcdef": "def"}, "sqlglot.expressions.Condition.like": {"fullname": "sqlglot.expressions.Condition.like", "modulename": "sqlglot.expressions", "qualname": "Condition.like", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.Like:", "funcdef": "def"}, "sqlglot.expressions.Condition.ilike": {"fullname": "sqlglot.expressions.Condition.ilike", "modulename": "sqlglot.expressions", "qualname": "Condition.ilike", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.ILike:", "funcdef": "def"}, "sqlglot.expressions.Condition.eq": {"fullname": "sqlglot.expressions.Condition.eq", "modulename": "sqlglot.expressions", "qualname": "Condition.eq", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.EQ:", "funcdef": "def"}, "sqlglot.expressions.Condition.neq": {"fullname": "sqlglot.expressions.Condition.neq", "modulename": "sqlglot.expressions", "qualname": "Condition.neq", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.NEQ:", "funcdef": "def"}, "sqlglot.expressions.Condition.rlike": {"fullname": "sqlglot.expressions.Condition.rlike", "modulename": "sqlglot.expressions", "qualname": "Condition.rlike", "kind": "function", "doc": "

\n", "signature": "(\tself,\tother: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.RegexpLike:", "funcdef": "def"}, "sqlglot.expressions.Predicate": {"fullname": "sqlglot.expressions.Predicate", "modulename": "sqlglot.expressions", "qualname": "Predicate", "kind": "class", "doc": "

Relationships like x = y, x > 1, x >= y.

\n", "bases": "Condition"}, "sqlglot.expressions.DerivedTable": {"fullname": "sqlglot.expressions.DerivedTable", "modulename": "sqlglot.expressions", "qualname": "DerivedTable", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Unionable": {"fullname": "sqlglot.expressions.Unionable", "modulename": "sqlglot.expressions", "qualname": "Unionable", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Unionable.union": {"fullname": "sqlglot.expressions.Unionable.union", "modulename": "sqlglot.expressions", "qualname": "Unionable.union", "kind": "function", "doc": "

Builds a UNION expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()\n'SELECT * FROM foo UNION SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Union: the Union expression.

\n
\n", "signature": "(self, expression, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.Unionable.intersect": {"fullname": "sqlglot.expressions.Unionable.intersect", "modulename": "sqlglot.expressions", "qualname": "Unionable.intersect", "kind": "function", "doc": "

Builds an INTERSECT expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()\n'SELECT * FROM foo INTERSECT SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Intersect: the Intersect expression

\n
\n", "signature": "(self, expression, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.Unionable.except_": {"fullname": "sqlglot.expressions.Unionable.except_", "modulename": "sqlglot.expressions", "qualname": "Unionable.except_", "kind": "function", "doc": "

Builds an EXCEPT expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()\n'SELECT * FROM foo EXCEPT SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Except: the Except expression

\n
\n", "signature": "(self, expression, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.UDTF": {"fullname": "sqlglot.expressions.UDTF", "modulename": "sqlglot.expressions", "qualname": "UDTF", "kind": "class", "doc": "

\n", "bases": "DerivedTable, Unionable"}, "sqlglot.expressions.Cache": {"fullname": "sqlglot.expressions.Cache", "modulename": "sqlglot.expressions", "qualname": "Cache", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Uncache": {"fullname": "sqlglot.expressions.Uncache", "modulename": "sqlglot.expressions", "qualname": "Uncache", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Create": {"fullname": "sqlglot.expressions.Create", "modulename": "sqlglot.expressions", "qualname": "Create", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Describe": {"fullname": "sqlglot.expressions.Describe", "modulename": "sqlglot.expressions", "qualname": "Describe", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Pragma": {"fullname": "sqlglot.expressions.Pragma", "modulename": "sqlglot.expressions", "qualname": "Pragma", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Set": {"fullname": "sqlglot.expressions.Set", "modulename": "sqlglot.expressions", "qualname": "Set", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.SetItem": {"fullname": "sqlglot.expressions.SetItem", "modulename": "sqlglot.expressions", "qualname": "SetItem", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Show": {"fullname": "sqlglot.expressions.Show", "modulename": "sqlglot.expressions", "qualname": "Show", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.UserDefinedFunction": {"fullname": "sqlglot.expressions.UserDefinedFunction", "modulename": "sqlglot.expressions", "qualname": "UserDefinedFunction", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.CharacterSet": {"fullname": "sqlglot.expressions.CharacterSet", "modulename": "sqlglot.expressions", "qualname": "CharacterSet", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.With": {"fullname": "sqlglot.expressions.With", "modulename": "sqlglot.expressions", "qualname": "With", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.WithinGroup": {"fullname": "sqlglot.expressions.WithinGroup", "modulename": "sqlglot.expressions", "qualname": "WithinGroup", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.CTE": {"fullname": "sqlglot.expressions.CTE", "modulename": "sqlglot.expressions", "qualname": "CTE", "kind": "class", "doc": "

\n", "bases": "DerivedTable"}, "sqlglot.expressions.TableAlias": {"fullname": "sqlglot.expressions.TableAlias", "modulename": "sqlglot.expressions", "qualname": "TableAlias", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.BitString": {"fullname": "sqlglot.expressions.BitString", "modulename": "sqlglot.expressions", "qualname": "BitString", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.HexString": {"fullname": "sqlglot.expressions.HexString", "modulename": "sqlglot.expressions", "qualname": "HexString", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.ByteString": {"fullname": "sqlglot.expressions.ByteString", "modulename": "sqlglot.expressions", "qualname": "ByteString", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Column": {"fullname": "sqlglot.expressions.Column", "modulename": "sqlglot.expressions", "qualname": "Column", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Column.output_name": {"fullname": "sqlglot.expressions.Column.output_name", "modulename": "sqlglot.expressions", "qualname": "Column.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n", "annotation": ": str"}, "sqlglot.expressions.Column.parts": {"fullname": "sqlglot.expressions.Column.parts", "modulename": "sqlglot.expressions", "qualname": "Column.parts", "kind": "variable", "doc": "

Return the parts of a column in order catalog, db, table, name.

\n", "annotation": ": List[sqlglot.expressions.Identifier]"}, "sqlglot.expressions.Column.to_dot": {"fullname": "sqlglot.expressions.Column.to_dot", "modulename": "sqlglot.expressions", "qualname": "Column.to_dot", "kind": "function", "doc": "

Converts the column into a dot expression.

\n", "signature": "(self) -> sqlglot.expressions.Dot:", "funcdef": "def"}, "sqlglot.expressions.ColumnPosition": {"fullname": "sqlglot.expressions.ColumnPosition", "modulename": "sqlglot.expressions", "qualname": "ColumnPosition", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.ColumnDef": {"fullname": "sqlglot.expressions.ColumnDef", "modulename": "sqlglot.expressions", "qualname": "ColumnDef", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AlterColumn": {"fullname": "sqlglot.expressions.AlterColumn", "modulename": "sqlglot.expressions", "qualname": "AlterColumn", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.RenameTable": {"fullname": "sqlglot.expressions.RenameTable", "modulename": "sqlglot.expressions", "qualname": "RenameTable", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.SetTag": {"fullname": "sqlglot.expressions.SetTag", "modulename": "sqlglot.expressions", "qualname": "SetTag", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Comment": {"fullname": "sqlglot.expressions.Comment", "modulename": "sqlglot.expressions", "qualname": "Comment", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.ColumnConstraint": {"fullname": "sqlglot.expressions.ColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "ColumnConstraint", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.ColumnConstraintKind": {"fullname": "sqlglot.expressions.ColumnConstraintKind", "modulename": "sqlglot.expressions", "qualname": "ColumnConstraintKind", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AutoIncrementColumnConstraint": {"fullname": "sqlglot.expressions.AutoIncrementColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "AutoIncrementColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CaseSpecificColumnConstraint": {"fullname": "sqlglot.expressions.CaseSpecificColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CaseSpecificColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CharacterSetColumnConstraint": {"fullname": "sqlglot.expressions.CharacterSetColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CharacterSetColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CheckColumnConstraint": {"fullname": "sqlglot.expressions.CheckColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CheckColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CollateColumnConstraint": {"fullname": "sqlglot.expressions.CollateColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CollateColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CommentColumnConstraint": {"fullname": "sqlglot.expressions.CommentColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CommentColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.CompressColumnConstraint": {"fullname": "sqlglot.expressions.CompressColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "CompressColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.DateFormatColumnConstraint": {"fullname": "sqlglot.expressions.DateFormatColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "DateFormatColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.DefaultColumnConstraint": {"fullname": "sqlglot.expressions.DefaultColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "DefaultColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.EncodeColumnConstraint": {"fullname": "sqlglot.expressions.EncodeColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "EncodeColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.GeneratedAsIdentityColumnConstraint": {"fullname": "sqlglot.expressions.GeneratedAsIdentityColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "GeneratedAsIdentityColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.InlineLengthColumnConstraint": {"fullname": "sqlglot.expressions.InlineLengthColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "InlineLengthColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.NotNullColumnConstraint": {"fullname": "sqlglot.expressions.NotNullColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "NotNullColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.OnUpdateColumnConstraint": {"fullname": "sqlglot.expressions.OnUpdateColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "OnUpdateColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.PrimaryKeyColumnConstraint": {"fullname": "sqlglot.expressions.PrimaryKeyColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "PrimaryKeyColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.TitleColumnConstraint": {"fullname": "sqlglot.expressions.TitleColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "TitleColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.UniqueColumnConstraint": {"fullname": "sqlglot.expressions.UniqueColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "UniqueColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.UppercaseColumnConstraint": {"fullname": "sqlglot.expressions.UppercaseColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "UppercaseColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.PathColumnConstraint": {"fullname": "sqlglot.expressions.PathColumnConstraint", "modulename": "sqlglot.expressions", "qualname": "PathColumnConstraint", "kind": "class", "doc": "

\n", "bases": "ColumnConstraintKind"}, "sqlglot.expressions.Constraint": {"fullname": "sqlglot.expressions.Constraint", "modulename": "sqlglot.expressions", "qualname": "Constraint", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Delete": {"fullname": "sqlglot.expressions.Delete", "modulename": "sqlglot.expressions", "qualname": "Delete", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Delete.delete": {"fullname": "sqlglot.expressions.Delete.delete", "modulename": "sqlglot.expressions", "qualname": "Delete.delete", "kind": "function", "doc": "

Create a DELETE expression or replace the table on an existing DELETE expression.

\n\n
Example:
\n\n
\n
\n
>>> delete("tbl").sql()\n'DELETE FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • table: the table from which to delete.
    • \n
  • dialect: the dialect used to parse the input expression.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Delete: the modified expression.

\n
\n", "signature": "(\tself,\ttable: Union[str, sqlglot.expressions.Expression],\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Delete:", "funcdef": "def"}, "sqlglot.expressions.Delete.where": {"fullname": "sqlglot.expressions.Delete.where", "modulename": "sqlglot.expressions", "qualname": "Delete.where", "kind": "function", "doc": "

Append to or set the WHERE expressions.

\n\n
Example:
\n\n
\n
\n
>>> delete("tbl").where("x = 'a' OR x < 'b'").sql()\n"DELETE FROM tbl WHERE x = 'a' OR x < 'b'"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions: the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.\nMultiple expressions are combined with an AND operator.
    • \n
  • append: if True, AND the new expressions to any existing expression.\nOtherwise, this resets the expression.
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Delete: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions: Union[str, sqlglot.expressions.Expression],\tappend: bool = True,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Delete:", "funcdef": "def"}, "sqlglot.expressions.Delete.returning": {"fullname": "sqlglot.expressions.Delete.returning", "modulename": "sqlglot.expressions", "qualname": "Delete.returning", "kind": "function", "doc": "

Set the RETURNING expression. Not supported by all dialects.

\n\n
Example:
\n\n
\n
\n
>>> delete("tbl").returning("*", dialect="postgres").sql()\n'DELETE FROM tbl RETURNING *'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Delete: the modified expression.

\n
\n", "signature": "(\tself,\texpression: Union[str, sqlglot.expressions.Expression],\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Delete:", "funcdef": "def"}, "sqlglot.expressions.Drop": {"fullname": "sqlglot.expressions.Drop", "modulename": "sqlglot.expressions", "qualname": "Drop", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Filter": {"fullname": "sqlglot.expressions.Filter", "modulename": "sqlglot.expressions", "qualname": "Filter", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Check": {"fullname": "sqlglot.expressions.Check", "modulename": "sqlglot.expressions", "qualname": "Check", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Directory": {"fullname": "sqlglot.expressions.Directory", "modulename": "sqlglot.expressions", "qualname": "Directory", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.ForeignKey": {"fullname": "sqlglot.expressions.ForeignKey", "modulename": "sqlglot.expressions", "qualname": "ForeignKey", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.PrimaryKey": {"fullname": "sqlglot.expressions.PrimaryKey", "modulename": "sqlglot.expressions", "qualname": "PrimaryKey", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Unique": {"fullname": "sqlglot.expressions.Unique", "modulename": "sqlglot.expressions", "qualname": "Unique", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Into": {"fullname": "sqlglot.expressions.Into", "modulename": "sqlglot.expressions", "qualname": "Into", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.From": {"fullname": "sqlglot.expressions.From", "modulename": "sqlglot.expressions", "qualname": "From", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Having": {"fullname": "sqlglot.expressions.Having", "modulename": "sqlglot.expressions", "qualname": "Having", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Hint": {"fullname": "sqlglot.expressions.Hint", "modulename": "sqlglot.expressions", "qualname": "Hint", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.JoinHint": {"fullname": "sqlglot.expressions.JoinHint", "modulename": "sqlglot.expressions", "qualname": "JoinHint", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Identifier": {"fullname": "sqlglot.expressions.Identifier", "modulename": "sqlglot.expressions", "qualname": "Identifier", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Identifier.output_name": {"fullname": "sqlglot.expressions.Identifier.output_name", "modulename": "sqlglot.expressions", "qualname": "Identifier.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Index": {"fullname": "sqlglot.expressions.Index", "modulename": "sqlglot.expressions", "qualname": "Index", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Insert": {"fullname": "sqlglot.expressions.Insert", "modulename": "sqlglot.expressions", "qualname": "Insert", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.OnConflict": {"fullname": "sqlglot.expressions.OnConflict", "modulename": "sqlglot.expressions", "qualname": "OnConflict", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Returning": {"fullname": "sqlglot.expressions.Returning", "modulename": "sqlglot.expressions", "qualname": "Returning", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Introducer": {"fullname": "sqlglot.expressions.Introducer", "modulename": "sqlglot.expressions", "qualname": "Introducer", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.National": {"fullname": "sqlglot.expressions.National", "modulename": "sqlglot.expressions", "qualname": "National", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.LoadData": {"fullname": "sqlglot.expressions.LoadData", "modulename": "sqlglot.expressions", "qualname": "LoadData", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Partition": {"fullname": "sqlglot.expressions.Partition", "modulename": "sqlglot.expressions", "qualname": "Partition", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Fetch": {"fullname": "sqlglot.expressions.Fetch", "modulename": "sqlglot.expressions", "qualname": "Fetch", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Group": {"fullname": "sqlglot.expressions.Group", "modulename": "sqlglot.expressions", "qualname": "Group", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Lambda": {"fullname": "sqlglot.expressions.Lambda", "modulename": "sqlglot.expressions", "qualname": "Lambda", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Limit": {"fullname": "sqlglot.expressions.Limit", "modulename": "sqlglot.expressions", "qualname": "Limit", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Literal": {"fullname": "sqlglot.expressions.Literal", "modulename": "sqlglot.expressions", "qualname": "Literal", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Literal.number": {"fullname": "sqlglot.expressions.Literal.number", "modulename": "sqlglot.expressions", "qualname": "Literal.number", "kind": "function", "doc": "

\n", "signature": "(cls, number) -> sqlglot.expressions.Literal:", "funcdef": "def"}, "sqlglot.expressions.Literal.string": {"fullname": "sqlglot.expressions.Literal.string", "modulename": "sqlglot.expressions", "qualname": "Literal.string", "kind": "function", "doc": "

\n", "signature": "(cls, string) -> sqlglot.expressions.Literal:", "funcdef": "def"}, "sqlglot.expressions.Literal.output_name": {"fullname": "sqlglot.expressions.Literal.output_name", "modulename": "sqlglot.expressions", "qualname": "Literal.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Join": {"fullname": "sqlglot.expressions.Join", "modulename": "sqlglot.expressions", "qualname": "Join", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Join.on": {"fullname": "sqlglot.expressions.Join.on", "modulename": "sqlglot.expressions", "qualname": "Join.on", "kind": "function", "doc": "

Append to or set the ON expressions.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()\n'JOIN x ON y = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.\nMultiple expressions are combined with an AND operator.
    • \n
  • append (bool): if True, AND the new expressions to any existing expression.\nOtherwise, this resets the expression.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Join: the modified join expression.

\n
\n", "signature": "(self, *expressions, append=True, dialect=None, copy=True, **opts):", "funcdef": "def"}, "sqlglot.expressions.Join.using": {"fullname": "sqlglot.expressions.Join.using", "modulename": "sqlglot.expressions", "qualname": "Join.using", "kind": "function", "doc": "

Append to or set the USING expressions.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()\n'JOIN x USING (foo, bla)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append (bool): if True, concatenate the new expressions to the existing \"using\" list.\nOtherwise, this resets the expression.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Join: the modified join expression.

\n
\n", "signature": "(self, *expressions, append=True, dialect=None, copy=True, **opts):", "funcdef": "def"}, "sqlglot.expressions.Lateral": {"fullname": "sqlglot.expressions.Lateral", "modulename": "sqlglot.expressions", "qualname": "Lateral", "kind": "class", "doc": "

\n", "bases": "UDTF"}, "sqlglot.expressions.MatchRecognize": {"fullname": "sqlglot.expressions.MatchRecognize", "modulename": "sqlglot.expressions", "qualname": "MatchRecognize", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Final": {"fullname": "sqlglot.expressions.Final", "modulename": "sqlglot.expressions", "qualname": "Final", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Offset": {"fullname": "sqlglot.expressions.Offset", "modulename": "sqlglot.expressions", "qualname": "Offset", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Order": {"fullname": "sqlglot.expressions.Order", "modulename": "sqlglot.expressions", "qualname": "Order", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Cluster": {"fullname": "sqlglot.expressions.Cluster", "modulename": "sqlglot.expressions", "qualname": "Cluster", "kind": "class", "doc": "

\n", "bases": "Order"}, "sqlglot.expressions.Distribute": {"fullname": "sqlglot.expressions.Distribute", "modulename": "sqlglot.expressions", "qualname": "Distribute", "kind": "class", "doc": "

\n", "bases": "Order"}, "sqlglot.expressions.Sort": {"fullname": "sqlglot.expressions.Sort", "modulename": "sqlglot.expressions", "qualname": "Sort", "kind": "class", "doc": "

\n", "bases": "Order"}, "sqlglot.expressions.Ordered": {"fullname": "sqlglot.expressions.Ordered", "modulename": "sqlglot.expressions", "qualname": "Ordered", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Property": {"fullname": "sqlglot.expressions.Property", "modulename": "sqlglot.expressions", "qualname": "Property", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AfterJournalProperty": {"fullname": "sqlglot.expressions.AfterJournalProperty", "modulename": "sqlglot.expressions", "qualname": "AfterJournalProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.AlgorithmProperty": {"fullname": "sqlglot.expressions.AlgorithmProperty", "modulename": "sqlglot.expressions", "qualname": "AlgorithmProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.AutoIncrementProperty": {"fullname": "sqlglot.expressions.AutoIncrementProperty", "modulename": "sqlglot.expressions", "qualname": "AutoIncrementProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.BlockCompressionProperty": {"fullname": "sqlglot.expressions.BlockCompressionProperty", "modulename": "sqlglot.expressions", "qualname": "BlockCompressionProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.CharacterSetProperty": {"fullname": "sqlglot.expressions.CharacterSetProperty", "modulename": "sqlglot.expressions", "qualname": "CharacterSetProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.ChecksumProperty": {"fullname": "sqlglot.expressions.ChecksumProperty", "modulename": "sqlglot.expressions", "qualname": "ChecksumProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.CollateProperty": {"fullname": "sqlglot.expressions.CollateProperty", "modulename": "sqlglot.expressions", "qualname": "CollateProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.DataBlocksizeProperty": {"fullname": "sqlglot.expressions.DataBlocksizeProperty", "modulename": "sqlglot.expressions", "qualname": "DataBlocksizeProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.DefinerProperty": {"fullname": "sqlglot.expressions.DefinerProperty", "modulename": "sqlglot.expressions", "qualname": "DefinerProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.DistKeyProperty": {"fullname": "sqlglot.expressions.DistKeyProperty", "modulename": "sqlglot.expressions", "qualname": "DistKeyProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.DistStyleProperty": {"fullname": "sqlglot.expressions.DistStyleProperty", "modulename": "sqlglot.expressions", "qualname": "DistStyleProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.EngineProperty": {"fullname": "sqlglot.expressions.EngineProperty", "modulename": "sqlglot.expressions", "qualname": "EngineProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.ExecuteAsProperty": {"fullname": "sqlglot.expressions.ExecuteAsProperty", "modulename": "sqlglot.expressions", "qualname": "ExecuteAsProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.ExternalProperty": {"fullname": "sqlglot.expressions.ExternalProperty", "modulename": "sqlglot.expressions", "qualname": "ExternalProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.FallbackProperty": {"fullname": "sqlglot.expressions.FallbackProperty", "modulename": "sqlglot.expressions", "qualname": "FallbackProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.FileFormatProperty": {"fullname": "sqlglot.expressions.FileFormatProperty", "modulename": "sqlglot.expressions", "qualname": "FileFormatProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.FreespaceProperty": {"fullname": "sqlglot.expressions.FreespaceProperty", "modulename": "sqlglot.expressions", "qualname": "FreespaceProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.InputOutputFormat": {"fullname": "sqlglot.expressions.InputOutputFormat", "modulename": "sqlglot.expressions", "qualname": "InputOutputFormat", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.IsolatedLoadingProperty": {"fullname": "sqlglot.expressions.IsolatedLoadingProperty", "modulename": "sqlglot.expressions", "qualname": "IsolatedLoadingProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.JournalProperty": {"fullname": "sqlglot.expressions.JournalProperty", "modulename": "sqlglot.expressions", "qualname": "JournalProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LanguageProperty": {"fullname": "sqlglot.expressions.LanguageProperty", "modulename": "sqlglot.expressions", "qualname": "LanguageProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LikeProperty": {"fullname": "sqlglot.expressions.LikeProperty", "modulename": "sqlglot.expressions", "qualname": "LikeProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LocationProperty": {"fullname": "sqlglot.expressions.LocationProperty", "modulename": "sqlglot.expressions", "qualname": "LocationProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LockingProperty": {"fullname": "sqlglot.expressions.LockingProperty", "modulename": "sqlglot.expressions", "qualname": "LockingProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.LogProperty": {"fullname": "sqlglot.expressions.LogProperty", "modulename": "sqlglot.expressions", "qualname": "LogProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.MaterializedProperty": {"fullname": "sqlglot.expressions.MaterializedProperty", "modulename": "sqlglot.expressions", "qualname": "MaterializedProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.MergeBlockRatioProperty": {"fullname": "sqlglot.expressions.MergeBlockRatioProperty", "modulename": "sqlglot.expressions", "qualname": "MergeBlockRatioProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.NoPrimaryIndexProperty": {"fullname": "sqlglot.expressions.NoPrimaryIndexProperty", "modulename": "sqlglot.expressions", "qualname": "NoPrimaryIndexProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.OnCommitProperty": {"fullname": "sqlglot.expressions.OnCommitProperty", "modulename": "sqlglot.expressions", "qualname": "OnCommitProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.PartitionedByProperty": {"fullname": "sqlglot.expressions.PartitionedByProperty", "modulename": "sqlglot.expressions", "qualname": "PartitionedByProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.ReturnsProperty": {"fullname": "sqlglot.expressions.ReturnsProperty", "modulename": "sqlglot.expressions", "qualname": "ReturnsProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.RowFormatProperty": {"fullname": "sqlglot.expressions.RowFormatProperty", "modulename": "sqlglot.expressions", "qualname": "RowFormatProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.RowFormatDelimitedProperty": {"fullname": "sqlglot.expressions.RowFormatDelimitedProperty", "modulename": "sqlglot.expressions", "qualname": "RowFormatDelimitedProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.RowFormatSerdeProperty": {"fullname": "sqlglot.expressions.RowFormatSerdeProperty", "modulename": "sqlglot.expressions", "qualname": "RowFormatSerdeProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SchemaCommentProperty": {"fullname": "sqlglot.expressions.SchemaCommentProperty", "modulename": "sqlglot.expressions", "qualname": "SchemaCommentProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SerdeProperties": {"fullname": "sqlglot.expressions.SerdeProperties", "modulename": "sqlglot.expressions", "qualname": "SerdeProperties", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SetProperty": {"fullname": "sqlglot.expressions.SetProperty", "modulename": "sqlglot.expressions", "qualname": "SetProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SortKeyProperty": {"fullname": "sqlglot.expressions.SortKeyProperty", "modulename": "sqlglot.expressions", "qualname": "SortKeyProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.SqlSecurityProperty": {"fullname": "sqlglot.expressions.SqlSecurityProperty", "modulename": "sqlglot.expressions", "qualname": "SqlSecurityProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.StabilityProperty": {"fullname": "sqlglot.expressions.StabilityProperty", "modulename": "sqlglot.expressions", "qualname": "StabilityProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.TableFormatProperty": {"fullname": "sqlglot.expressions.TableFormatProperty", "modulename": "sqlglot.expressions", "qualname": "TableFormatProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.TemporaryProperty": {"fullname": "sqlglot.expressions.TemporaryProperty", "modulename": "sqlglot.expressions", "qualname": "TemporaryProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.TransientProperty": {"fullname": "sqlglot.expressions.TransientProperty", "modulename": "sqlglot.expressions", "qualname": "TransientProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.VolatileProperty": {"fullname": "sqlglot.expressions.VolatileProperty", "modulename": "sqlglot.expressions", "qualname": "VolatileProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.WithDataProperty": {"fullname": "sqlglot.expressions.WithDataProperty", "modulename": "sqlglot.expressions", "qualname": "WithDataProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.WithJournalTableProperty": {"fullname": "sqlglot.expressions.WithJournalTableProperty", "modulename": "sqlglot.expressions", "qualname": "WithJournalTableProperty", "kind": "class", "doc": "

\n", "bases": "Property"}, "sqlglot.expressions.Properties": {"fullname": "sqlglot.expressions.Properties", "modulename": "sqlglot.expressions", "qualname": "Properties", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Properties.Location": {"fullname": "sqlglot.expressions.Properties.Location", "modulename": "sqlglot.expressions", "qualname": "Properties.Location", "kind": "class", "doc": "

An enumeration.

\n", "bases": "sqlglot.helper.AutoName"}, "sqlglot.expressions.Properties.Location.POST_CREATE": {"fullname": "sqlglot.expressions.Properties.Location.POST_CREATE", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_CREATE", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_CREATE: 'POST_CREATE'>"}, "sqlglot.expressions.Properties.Location.POST_NAME": {"fullname": "sqlglot.expressions.Properties.Location.POST_NAME", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_NAME", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_NAME: 'POST_NAME'>"}, "sqlglot.expressions.Properties.Location.POST_SCHEMA": {"fullname": "sqlglot.expressions.Properties.Location.POST_SCHEMA", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_SCHEMA", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_SCHEMA: 'POST_SCHEMA'>"}, "sqlglot.expressions.Properties.Location.POST_WITH": {"fullname": "sqlglot.expressions.Properties.Location.POST_WITH", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_WITH", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_WITH: 'POST_WITH'>"}, "sqlglot.expressions.Properties.Location.POST_ALIAS": {"fullname": "sqlglot.expressions.Properties.Location.POST_ALIAS", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_ALIAS", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_ALIAS: 'POST_ALIAS'>"}, "sqlglot.expressions.Properties.Location.POST_EXPRESSION": {"fullname": "sqlglot.expressions.Properties.Location.POST_EXPRESSION", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_EXPRESSION", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_EXPRESSION: 'POST_EXPRESSION'>"}, "sqlglot.expressions.Properties.Location.POST_INDEX": {"fullname": "sqlglot.expressions.Properties.Location.POST_INDEX", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.POST_INDEX", "kind": "variable", "doc": "

\n", "default_value": "<Location.POST_INDEX: 'POST_INDEX'>"}, "sqlglot.expressions.Properties.Location.UNSUPPORTED": {"fullname": "sqlglot.expressions.Properties.Location.UNSUPPORTED", "modulename": "sqlglot.expressions", "qualname": "Properties.Location.UNSUPPORTED", "kind": "variable", "doc": "

\n", "default_value": "<Location.UNSUPPORTED: 'UNSUPPORTED'>"}, "sqlglot.expressions.Properties.from_dict": {"fullname": "sqlglot.expressions.Properties.from_dict", "modulename": "sqlglot.expressions", "qualname": "Properties.from_dict", "kind": "function", "doc": "

\n", "signature": "(cls, properties_dict) -> sqlglot.expressions.Properties:", "funcdef": "def"}, "sqlglot.expressions.Qualify": {"fullname": "sqlglot.expressions.Qualify", "modulename": "sqlglot.expressions", "qualname": "Qualify", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Return": {"fullname": "sqlglot.expressions.Return", "modulename": "sqlglot.expressions", "qualname": "Return", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Reference": {"fullname": "sqlglot.expressions.Reference", "modulename": "sqlglot.expressions", "qualname": "Reference", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Tuple": {"fullname": "sqlglot.expressions.Tuple", "modulename": "sqlglot.expressions", "qualname": "Tuple", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Subqueryable": {"fullname": "sqlglot.expressions.Subqueryable", "modulename": "sqlglot.expressions", "qualname": "Subqueryable", "kind": "class", "doc": "

\n", "bases": "Unionable"}, "sqlglot.expressions.Subqueryable.subquery": {"fullname": "sqlglot.expressions.Subqueryable.subquery", "modulename": "sqlglot.expressions", "qualname": "Subqueryable.subquery", "kind": "function", "doc": "

Convert this expression to an aliased expression that can be used as a Subquery.

\n\n
Example:
\n\n
\n
\n
>>> subquery = Select().select("x").from_("tbl").subquery()\n>>> Select().select("x").from_(subquery).sql()\n'SELECT x FROM (SELECT x FROM tbl)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • alias (str | Identifier): an optional alias for the subquery
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
\n\n
Returns:
\n\n
\n

Alias: the subquery

\n
\n", "signature": "(self, alias=None, copy=True) -> sqlglot.expressions.Subquery:", "funcdef": "def"}, "sqlglot.expressions.Subqueryable.limit": {"fullname": "sqlglot.expressions.Subqueryable.limit", "modulename": "sqlglot.expressions", "qualname": "Subqueryable.limit", "kind": "function", "doc": "

\n", "signature": "(\tself,\texpression,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Subqueryable.with_": {"fullname": "sqlglot.expressions.Subqueryable.with_", "modulename": "sqlglot.expressions", "qualname": "Subqueryable.with_", "kind": "function", "doc": "

Append to or set the common table expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()\n'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • alias (str | Expression): the SQL code string to parse as the table name.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • as_ (str | Expression): the SQL code string to parse as the table expression.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • recursive (bool): set the RECURSIVE part of the expression. Defaults to False.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\talias,\tas_,\trecursive=None,\tappend=True,\tdialect=None,\tcopy=True,\t**opts):", "funcdef": "def"}, "sqlglot.expressions.Table": {"fullname": "sqlglot.expressions.Table", "modulename": "sqlglot.expressions", "qualname": "Table", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.SystemTime": {"fullname": "sqlglot.expressions.SystemTime", "modulename": "sqlglot.expressions", "qualname": "SystemTime", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Union": {"fullname": "sqlglot.expressions.Union", "modulename": "sqlglot.expressions", "qualname": "Union", "kind": "class", "doc": "

\n", "bases": "Subqueryable"}, "sqlglot.expressions.Union.limit": {"fullname": "sqlglot.expressions.Union.limit", "modulename": "sqlglot.expressions", "qualname": "Union.limit", "kind": "function", "doc": "

Set the LIMIT expression.

\n\n
Example:
\n\n
\n
\n
>>> select("1").union(select("1")).limit(1).sql()\n'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | int | Expression): the SQL code string to parse.\nThis can also be an integer.\nIf a Limit instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Limit.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: The limited subqueryable.

\n
\n", "signature": "(\tself,\texpression,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Union.select": {"fullname": "sqlglot.expressions.Union.select", "modulename": "sqlglot.expressions", "qualname": "Union.select", "kind": "function", "doc": "

Append to or set the SELECT of the union recursively.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("select a from x union select a from y union select a from z").select("b").sql()\n'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions: the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append: if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Union: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions: Union[str, sqlglot.expressions.Expression],\tappend: bool = True,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Union:", "funcdef": "def"}, "sqlglot.expressions.Union.is_star": {"fullname": "sqlglot.expressions.Union.is_star", "modulename": "sqlglot.expressions", "qualname": "Union.is_star", "kind": "variable", "doc": "

Checks whether an expression is a star.

\n", "annotation": ": bool"}, "sqlglot.expressions.Except": {"fullname": "sqlglot.expressions.Except", "modulename": "sqlglot.expressions", "qualname": "Except", "kind": "class", "doc": "

\n", "bases": "Union"}, "sqlglot.expressions.Intersect": {"fullname": "sqlglot.expressions.Intersect", "modulename": "sqlglot.expressions", "qualname": "Intersect", "kind": "class", "doc": "

\n", "bases": "Union"}, "sqlglot.expressions.Unnest": {"fullname": "sqlglot.expressions.Unnest", "modulename": "sqlglot.expressions", "qualname": "Unnest", "kind": "class", "doc": "

\n", "bases": "UDTF"}, "sqlglot.expressions.Update": {"fullname": "sqlglot.expressions.Update", "modulename": "sqlglot.expressions", "qualname": "Update", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Values": {"fullname": "sqlglot.expressions.Values", "modulename": "sqlglot.expressions", "qualname": "Values", "kind": "class", "doc": "

\n", "bases": "UDTF"}, "sqlglot.expressions.Var": {"fullname": "sqlglot.expressions.Var", "modulename": "sqlglot.expressions", "qualname": "Var", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Schema": {"fullname": "sqlglot.expressions.Schema", "modulename": "sqlglot.expressions", "qualname": "Schema", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Lock": {"fullname": "sqlglot.expressions.Lock", "modulename": "sqlglot.expressions", "qualname": "Lock", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Select": {"fullname": "sqlglot.expressions.Select", "modulename": "sqlglot.expressions", "qualname": "Select", "kind": "class", "doc": "

\n", "bases": "Subqueryable"}, "sqlglot.expressions.Select.from_": {"fullname": "sqlglot.expressions.Select.from_", "modulename": "sqlglot.expressions", "qualname": "Select.from_", "kind": "function", "doc": "

Set the FROM expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").sql()\n'SELECT x FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a From instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a From.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the From expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.group_by": {"fullname": "sqlglot.expressions.Select.group_by", "modulename": "sqlglot.expressions", "qualname": "Select.group_by", "kind": "function", "doc": "

Set the GROUP BY expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()\n'SELECT x, COUNT(1) FROM tbl GROUP BY x'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a Group instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Group.\nIf nothing is passed in then a group by is not applied to the expression
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the Group expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.order_by": {"fullname": "sqlglot.expressions.Select.order_by", "modulename": "sqlglot.expressions", "qualname": "Select.order_by", "kind": "function", "doc": "

Set the ORDER BY expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").order_by("x DESC").sql()\n'SELECT x FROM tbl ORDER BY x DESC'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a Group instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Order.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the Order expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.sort_by": {"fullname": "sqlglot.expressions.Select.sort_by", "modulename": "sqlglot.expressions", "qualname": "Select.sort_by", "kind": "function", "doc": "

Set the SORT BY expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").sort_by("x DESC").sql()\n'SELECT x FROM tbl SORT BY x DESC'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a Group instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a SORT.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the Order expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.cluster_by": {"fullname": "sqlglot.expressions.Select.cluster_by", "modulename": "sqlglot.expressions", "qualname": "Select.cluster_by", "kind": "function", "doc": "

Set the CLUSTER BY expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()\n'SELECT x FROM tbl CLUSTER BY x DESC'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf a Group instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Cluster.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this flattens all the Order expression into a single expression.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.limit": {"fullname": "sqlglot.expressions.Select.limit", "modulename": "sqlglot.expressions", "qualname": "Select.limit", "kind": "function", "doc": "

Set the LIMIT expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").limit(10).sql()\n'SELECT x FROM tbl LIMIT 10'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | int | Expression): the SQL code string to parse.\nThis can also be an integer.\nIf a Limit instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Limit.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\texpression,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.offset": {"fullname": "sqlglot.expressions.Select.offset", "modulename": "sqlglot.expressions", "qualname": "Select.offset", "kind": "function", "doc": "

Set the OFFSET expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").offset(10).sql()\n'SELECT x FROM tbl OFFSET 10'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | int | Expression): the SQL code string to parse.\nThis can also be an integer.\nIf a Offset instance is passed, this is used as-is.\nIf another Expression instance is passed, it will be wrapped in a Offset.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\texpression,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.select": {"fullname": "sqlglot.expressions.Select.select", "modulename": "sqlglot.expressions", "qualname": "Select.select", "kind": "function", "doc": "

Append to or set the SELECT expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("x", "y").sql()\n'SELECT x, y'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions: the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append: if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
  • opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions: Union[str, sqlglot.expressions.Expression],\tappend: bool = True,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.lateral": {"fullname": "sqlglot.expressions.Select.lateral", "modulename": "sqlglot.expressions", "qualname": "Select.lateral", "kind": "function", "doc": "

Append to or set the LATERAL expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()\n'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.join": {"fullname": "sqlglot.expressions.Select.join", "modulename": "sqlglot.expressions", "qualname": "Select.join", "kind": "function", "doc": "

Append to or set the JOIN expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()\n'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'\n
\n
\n \n
\n
>>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()\n'SELECT 1 FROM a JOIN b USING (x, y, z)'\n
\n
\n \n

Use join_type to change the type of join:

\n \n
\n
>>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()\n'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code string to parse.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • on (str | Expression): optionally specify the join \"on\" criteria as a SQL string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • using (str | Expression): optionally specify the join \"using\" criteria as a SQL string.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • append (bool): if True, add to any existing expressions.\nOtherwise, this resets the expressions.
    • \n
  • join_type (str): If set, alter the parsed join type
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\texpression,\ton=None,\tusing=None,\tappend=True,\tjoin_type=None,\tjoin_alias=None,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.where": {"fullname": "sqlglot.expressions.Select.where", "modulename": "sqlglot.expressions", "qualname": "Select.where", "kind": "function", "doc": "

Append to or set the WHERE expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()\n"SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.\nMultiple expressions are combined with an AND operator.
    • \n
  • append (bool): if True, AND the new expressions to any existing expression.\nOtherwise, this resets the expression.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.having": {"fullname": "sqlglot.expressions.Select.having", "modulename": "sqlglot.expressions", "qualname": "Select.having", "kind": "function", "doc": "

Append to or set the HAVING expressions.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()\n'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, it will be used as-is.\nMultiple expressions are combined with an AND operator.
    • \n
  • append (bool): if True, AND the new expressions to any existing expression.\nOtherwise, this resets the expression.
    • \n
  • dialect (str): the dialect used to parse the input expressions.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.window": {"fullname": "sqlglot.expressions.Select.window", "modulename": "sqlglot.expressions", "qualname": "Select.window", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.qualify": {"fullname": "sqlglot.expressions.Select.qualify", "modulename": "sqlglot.expressions", "qualname": "Select.qualify", "kind": "function", "doc": "

\n", "signature": "(\tself,\t*expressions,\tappend=True,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.distinct": {"fullname": "sqlglot.expressions.Select.distinct", "modulename": "sqlglot.expressions", "qualname": "Select.distinct", "kind": "function", "doc": "

Set the OFFSET expression.

\n\n
Example:
\n\n
\n
\n
>>> Select().from_("tbl").select("x").distinct().sql()\n'SELECT DISTINCT x FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • ons: the expressions to distinct on
    • \n
  • distinct: whether the Select should be distinct
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
\n\n
Returns:
\n\n
\n

Select: the modified expression.

\n
\n", "signature": "(\tself,\t*ons: Union[str, sqlglot.expressions.Expression],\tdistinct: bool = True,\tcopy: bool = True) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.ctas": {"fullname": "sqlglot.expressions.Select.ctas", "modulename": "sqlglot.expressions", "qualname": "Select.ctas", "kind": "function", "doc": "

Convert this expression to a CREATE TABLE AS statement.

\n\n
Example:
\n\n
\n
\n
>>> Select().select("*").from_("tbl").ctas("x").sql()\n'CREATE TABLE x AS SELECT * FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • table (str | Expression): the SQL code string to parse as the table name.\nIf another Expression instance is passed, it will be used as-is.
    • \n
  • properties (dict): an optional mapping of table properties
    • \n
  • dialect (str): the dialect used to parse the input table.
    • \n
  • copy (bool): if False, modify this expression instance in-place.
    • \n
  • opts (kwargs): other options to use to parse the input table.
    • \n
\n\n
Returns:
\n\n
\n

Create: the CREATE TABLE AS expression

\n
\n", "signature": "(\tself,\ttable,\tproperties=None,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Create:", "funcdef": "def"}, "sqlglot.expressions.Select.lock": {"fullname": "sqlglot.expressions.Select.lock", "modulename": "sqlglot.expressions", "qualname": "Select.lock", "kind": "function", "doc": "

Set the locking read mode for this expression.

\n\n
Examples:
\n\n
\n
\n
>>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")\n"SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"\n
\n
\n \n
\n
>>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")\n"SELECT x FROM tbl WHERE x = 'a' FOR SHARE"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • update: if True, the locking type will be FOR UPDATE, else it will be FOR SHARE.
    • \n
  • copy: if False, modify this expression instance in-place.
    • \n
\n\n
Returns:
\n\n
\n

The modified expression.

\n
\n", "signature": "(\tself,\tupdate: bool = True,\tcopy: bool = True) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.Select.is_star": {"fullname": "sqlglot.expressions.Select.is_star", "modulename": "sqlglot.expressions", "qualname": "Select.is_star", "kind": "variable", "doc": "

Checks whether an expression is a star.

\n", "annotation": ": bool"}, "sqlglot.expressions.Subquery": {"fullname": "sqlglot.expressions.Subquery", "modulename": "sqlglot.expressions", "qualname": "Subquery", "kind": "class", "doc": "

\n", "bases": "DerivedTable, Unionable"}, "sqlglot.expressions.Subquery.unnest": {"fullname": "sqlglot.expressions.Subquery.unnest", "modulename": "sqlglot.expressions", "qualname": "Subquery.unnest", "kind": "function", "doc": "

Returns the first non subquery.

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.expressions.Subquery.is_star": {"fullname": "sqlglot.expressions.Subquery.is_star", "modulename": "sqlglot.expressions", "qualname": "Subquery.is_star", "kind": "variable", "doc": "

Checks whether an expression is a star.

\n", "annotation": ": bool"}, "sqlglot.expressions.Subquery.output_name": {"fullname": "sqlglot.expressions.Subquery.output_name", "modulename": "sqlglot.expressions", "qualname": "Subquery.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.TableSample": {"fullname": "sqlglot.expressions.TableSample", "modulename": "sqlglot.expressions", "qualname": "TableSample", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Tag": {"fullname": "sqlglot.expressions.Tag", "modulename": "sqlglot.expressions", "qualname": "Tag", "kind": "class", "doc": "

Tags are used for generating arbitrary sql like SELECT x.

\n", "bases": "Expression"}, "sqlglot.expressions.Pivot": {"fullname": "sqlglot.expressions.Pivot", "modulename": "sqlglot.expressions", "qualname": "Pivot", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Window": {"fullname": "sqlglot.expressions.Window", "modulename": "sqlglot.expressions", "qualname": "Window", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.WindowSpec": {"fullname": "sqlglot.expressions.WindowSpec", "modulename": "sqlglot.expressions", "qualname": "WindowSpec", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Where": {"fullname": "sqlglot.expressions.Where", "modulename": "sqlglot.expressions", "qualname": "Where", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Star": {"fullname": "sqlglot.expressions.Star", "modulename": "sqlglot.expressions", "qualname": "Star", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Star.output_name": {"fullname": "sqlglot.expressions.Star.output_name", "modulename": "sqlglot.expressions", "qualname": "Star.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Parameter": {"fullname": "sqlglot.expressions.Parameter", "modulename": "sqlglot.expressions", "qualname": "Parameter", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.SessionParameter": {"fullname": "sqlglot.expressions.SessionParameter", "modulename": "sqlglot.expressions", "qualname": "SessionParameter", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Placeholder": {"fullname": "sqlglot.expressions.Placeholder", "modulename": "sqlglot.expressions", "qualname": "Placeholder", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Null": {"fullname": "sqlglot.expressions.Null", "modulename": "sqlglot.expressions", "qualname": "Null", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Boolean": {"fullname": "sqlglot.expressions.Boolean", "modulename": "sqlglot.expressions", "qualname": "Boolean", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.DataType": {"fullname": "sqlglot.expressions.DataType", "modulename": "sqlglot.expressions", "qualname": "DataType", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.DataType.Type": {"fullname": "sqlglot.expressions.DataType.Type", "modulename": "sqlglot.expressions", "qualname": "DataType.Type", "kind": "class", "doc": "

An enumeration.

\n", "bases": "sqlglot.helper.AutoName"}, "sqlglot.expressions.DataType.Type.CHAR": {"fullname": "sqlglot.expressions.DataType.Type.CHAR", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.CHAR", "kind": "variable", "doc": "

\n", "default_value": "<Type.CHAR: 'CHAR'>"}, "sqlglot.expressions.DataType.Type.NCHAR": {"fullname": "sqlglot.expressions.DataType.Type.NCHAR", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.NCHAR", "kind": "variable", "doc": "

\n", "default_value": "<Type.NCHAR: 'NCHAR'>"}, "sqlglot.expressions.DataType.Type.VARCHAR": {"fullname": "sqlglot.expressions.DataType.Type.VARCHAR", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.VARCHAR", "kind": "variable", "doc": "

\n", "default_value": "<Type.VARCHAR: 'VARCHAR'>"}, "sqlglot.expressions.DataType.Type.NVARCHAR": {"fullname": "sqlglot.expressions.DataType.Type.NVARCHAR", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.NVARCHAR", "kind": "variable", "doc": "

\n", "default_value": "<Type.NVARCHAR: 'NVARCHAR'>"}, "sqlglot.expressions.DataType.Type.TEXT": {"fullname": "sqlglot.expressions.DataType.Type.TEXT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.TEXT", "kind": "variable", "doc": "

\n", "default_value": "<Type.TEXT: 'TEXT'>"}, "sqlglot.expressions.DataType.Type.MEDIUMTEXT": {"fullname": "sqlglot.expressions.DataType.Type.MEDIUMTEXT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.MEDIUMTEXT", "kind": "variable", "doc": "

\n", "default_value": "<Type.MEDIUMTEXT: 'MEDIUMTEXT'>"}, "sqlglot.expressions.DataType.Type.LONGTEXT": {"fullname": "sqlglot.expressions.DataType.Type.LONGTEXT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.LONGTEXT", "kind": "variable", "doc": "

\n", "default_value": "<Type.LONGTEXT: 'LONGTEXT'>"}, "sqlglot.expressions.DataType.Type.MEDIUMBLOB": {"fullname": "sqlglot.expressions.DataType.Type.MEDIUMBLOB", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.MEDIUMBLOB", "kind": "variable", "doc": "

\n", "default_value": "<Type.MEDIUMBLOB: 'MEDIUMBLOB'>"}, "sqlglot.expressions.DataType.Type.LONGBLOB": {"fullname": "sqlglot.expressions.DataType.Type.LONGBLOB", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.LONGBLOB", "kind": "variable", "doc": "

\n", "default_value": "<Type.LONGBLOB: 'LONGBLOB'>"}, "sqlglot.expressions.DataType.Type.BINARY": {"fullname": "sqlglot.expressions.DataType.Type.BINARY", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.BINARY", "kind": "variable", "doc": "

\n", "default_value": "<Type.BINARY: 'BINARY'>"}, "sqlglot.expressions.DataType.Type.VARBINARY": {"fullname": "sqlglot.expressions.DataType.Type.VARBINARY", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.VARBINARY", "kind": "variable", "doc": "

\n", "default_value": "<Type.VARBINARY: 'VARBINARY'>"}, "sqlglot.expressions.DataType.Type.INT": {"fullname": "sqlglot.expressions.DataType.Type.INT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.INT", "kind": "variable", "doc": "

\n", "default_value": "<Type.INT: 'INT'>"}, "sqlglot.expressions.DataType.Type.UINT": {"fullname": "sqlglot.expressions.DataType.Type.UINT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.UINT", "kind": "variable", "doc": "

\n", "default_value": "<Type.UINT: 'UINT'>"}, "sqlglot.expressions.DataType.Type.TINYINT": {"fullname": "sqlglot.expressions.DataType.Type.TINYINT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.TINYINT", "kind": "variable", "doc": "

\n", "default_value": "<Type.TINYINT: 'TINYINT'>"}, "sqlglot.expressions.DataType.Type.UTINYINT": {"fullname": "sqlglot.expressions.DataType.Type.UTINYINT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.UTINYINT", "kind": "variable", "doc": "

\n", "default_value": "<Type.UTINYINT: 'UTINYINT'>"}, "sqlglot.expressions.DataType.Type.SMALLINT": {"fullname": "sqlglot.expressions.DataType.Type.SMALLINT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.SMALLINT", "kind": "variable", "doc": "

\n", "default_value": "<Type.SMALLINT: 'SMALLINT'>"}, "sqlglot.expressions.DataType.Type.USMALLINT": {"fullname": "sqlglot.expressions.DataType.Type.USMALLINT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.USMALLINT", "kind": "variable", "doc": "

\n", "default_value": "<Type.USMALLINT: 'USMALLINT'>"}, "sqlglot.expressions.DataType.Type.BIGINT": {"fullname": "sqlglot.expressions.DataType.Type.BIGINT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.BIGINT", "kind": "variable", "doc": "

\n", "default_value": "<Type.BIGINT: 'BIGINT'>"}, "sqlglot.expressions.DataType.Type.UBIGINT": {"fullname": "sqlglot.expressions.DataType.Type.UBIGINT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.UBIGINT", "kind": "variable", "doc": "

\n", "default_value": "<Type.UBIGINT: 'UBIGINT'>"}, "sqlglot.expressions.DataType.Type.FLOAT": {"fullname": "sqlglot.expressions.DataType.Type.FLOAT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.FLOAT", "kind": "variable", "doc": "

\n", "default_value": "<Type.FLOAT: 'FLOAT'>"}, "sqlglot.expressions.DataType.Type.DOUBLE": {"fullname": "sqlglot.expressions.DataType.Type.DOUBLE", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.DOUBLE", "kind": "variable", "doc": "

\n", "default_value": "<Type.DOUBLE: 'DOUBLE'>"}, "sqlglot.expressions.DataType.Type.DECIMAL": {"fullname": "sqlglot.expressions.DataType.Type.DECIMAL", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.DECIMAL", "kind": "variable", "doc": "

\n", "default_value": "<Type.DECIMAL: 'DECIMAL'>"}, "sqlglot.expressions.DataType.Type.BIGDECIMAL": {"fullname": "sqlglot.expressions.DataType.Type.BIGDECIMAL", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.BIGDECIMAL", "kind": "variable", "doc": "

\n", "default_value": "<Type.BIGDECIMAL: 'BIGDECIMAL'>"}, "sqlglot.expressions.DataType.Type.BIT": {"fullname": "sqlglot.expressions.DataType.Type.BIT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.BIT", "kind": "variable", "doc": "

\n", "default_value": "<Type.BIT: 'BIT'>"}, "sqlglot.expressions.DataType.Type.BOOLEAN": {"fullname": "sqlglot.expressions.DataType.Type.BOOLEAN", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.BOOLEAN", "kind": "variable", "doc": "

\n", "default_value": "<Type.BOOLEAN: 'BOOLEAN'>"}, "sqlglot.expressions.DataType.Type.JSON": {"fullname": "sqlglot.expressions.DataType.Type.JSON", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.JSON", "kind": "variable", "doc": "

\n", "default_value": "<Type.JSON: 'JSON'>"}, "sqlglot.expressions.DataType.Type.JSONB": {"fullname": "sqlglot.expressions.DataType.Type.JSONB", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.JSONB", "kind": "variable", "doc": "

\n", "default_value": "<Type.JSONB: 'JSONB'>"}, "sqlglot.expressions.DataType.Type.INTERVAL": {"fullname": "sqlglot.expressions.DataType.Type.INTERVAL", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.INTERVAL", "kind": "variable", "doc": "

\n", "default_value": "<Type.INTERVAL: 'INTERVAL'>"}, "sqlglot.expressions.DataType.Type.TIME": {"fullname": "sqlglot.expressions.DataType.Type.TIME", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.TIME", "kind": "variable", "doc": "

\n", "default_value": "<Type.TIME: 'TIME'>"}, "sqlglot.expressions.DataType.Type.TIMESTAMP": {"fullname": "sqlglot.expressions.DataType.Type.TIMESTAMP", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.TIMESTAMP", "kind": "variable", "doc": "

\n", "default_value": "<Type.TIMESTAMP: 'TIMESTAMP'>"}, "sqlglot.expressions.DataType.Type.TIMESTAMPTZ": {"fullname": "sqlglot.expressions.DataType.Type.TIMESTAMPTZ", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.TIMESTAMPTZ", "kind": "variable", "doc": "

\n", "default_value": "<Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>"}, "sqlglot.expressions.DataType.Type.TIMESTAMPLTZ": {"fullname": "sqlglot.expressions.DataType.Type.TIMESTAMPLTZ", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.TIMESTAMPLTZ", "kind": "variable", "doc": "

\n", "default_value": "<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>"}, "sqlglot.expressions.DataType.Type.DATE": {"fullname": "sqlglot.expressions.DataType.Type.DATE", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.DATE", "kind": "variable", "doc": "

\n", "default_value": "<Type.DATE: 'DATE'>"}, "sqlglot.expressions.DataType.Type.DATETIME": {"fullname": "sqlglot.expressions.DataType.Type.DATETIME", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.DATETIME", "kind": "variable", "doc": "

\n", "default_value": "<Type.DATETIME: 'DATETIME'>"}, "sqlglot.expressions.DataType.Type.ARRAY": {"fullname": "sqlglot.expressions.DataType.Type.ARRAY", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.ARRAY", "kind": "variable", "doc": "

\n", "default_value": "<Type.ARRAY: 'ARRAY'>"}, "sqlglot.expressions.DataType.Type.MAP": {"fullname": "sqlglot.expressions.DataType.Type.MAP", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.MAP", "kind": "variable", "doc": "

\n", "default_value": "<Type.MAP: 'MAP'>"}, "sqlglot.expressions.DataType.Type.UUID": {"fullname": "sqlglot.expressions.DataType.Type.UUID", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.UUID", "kind": "variable", "doc": "

\n", "default_value": "<Type.UUID: 'UUID'>"}, "sqlglot.expressions.DataType.Type.GEOGRAPHY": {"fullname": "sqlglot.expressions.DataType.Type.GEOGRAPHY", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.GEOGRAPHY", "kind": "variable", "doc": "

\n", "default_value": "<Type.GEOGRAPHY: 'GEOGRAPHY'>"}, "sqlglot.expressions.DataType.Type.GEOMETRY": {"fullname": "sqlglot.expressions.DataType.Type.GEOMETRY", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.GEOMETRY", "kind": "variable", "doc": "

\n", "default_value": "<Type.GEOMETRY: 'GEOMETRY'>"}, "sqlglot.expressions.DataType.Type.STRUCT": {"fullname": "sqlglot.expressions.DataType.Type.STRUCT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.STRUCT", "kind": "variable", "doc": "

\n", "default_value": "<Type.STRUCT: 'STRUCT'>"}, "sqlglot.expressions.DataType.Type.NULLABLE": {"fullname": "sqlglot.expressions.DataType.Type.NULLABLE", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.NULLABLE", "kind": "variable", "doc": "

\n", "default_value": "<Type.NULLABLE: 'NULLABLE'>"}, "sqlglot.expressions.DataType.Type.HLLSKETCH": {"fullname": "sqlglot.expressions.DataType.Type.HLLSKETCH", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.HLLSKETCH", "kind": "variable", "doc": "

\n", "default_value": "<Type.HLLSKETCH: 'HLLSKETCH'>"}, "sqlglot.expressions.DataType.Type.HSTORE": {"fullname": "sqlglot.expressions.DataType.Type.HSTORE", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.HSTORE", "kind": "variable", "doc": "

\n", "default_value": "<Type.HSTORE: 'HSTORE'>"}, "sqlglot.expressions.DataType.Type.SUPER": {"fullname": "sqlglot.expressions.DataType.Type.SUPER", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.SUPER", "kind": "variable", "doc": "

\n", "default_value": "<Type.SUPER: 'SUPER'>"}, "sqlglot.expressions.DataType.Type.SERIAL": {"fullname": "sqlglot.expressions.DataType.Type.SERIAL", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.SERIAL", "kind": "variable", "doc": "

\n", "default_value": "<Type.SERIAL: 'SERIAL'>"}, "sqlglot.expressions.DataType.Type.SMALLSERIAL": {"fullname": "sqlglot.expressions.DataType.Type.SMALLSERIAL", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.SMALLSERIAL", "kind": "variable", "doc": "

\n", "default_value": "<Type.SMALLSERIAL: 'SMALLSERIAL'>"}, "sqlglot.expressions.DataType.Type.BIGSERIAL": {"fullname": "sqlglot.expressions.DataType.Type.BIGSERIAL", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.BIGSERIAL", "kind": "variable", "doc": "

\n", "default_value": "<Type.BIGSERIAL: 'BIGSERIAL'>"}, "sqlglot.expressions.DataType.Type.XML": {"fullname": "sqlglot.expressions.DataType.Type.XML", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.XML", "kind": "variable", "doc": "

\n", "default_value": "<Type.XML: 'XML'>"}, "sqlglot.expressions.DataType.Type.UNIQUEIDENTIFIER": {"fullname": "sqlglot.expressions.DataType.Type.UNIQUEIDENTIFIER", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.UNIQUEIDENTIFIER", "kind": "variable", "doc": "

\n", "default_value": "<Type.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>"}, "sqlglot.expressions.DataType.Type.MONEY": {"fullname": "sqlglot.expressions.DataType.Type.MONEY", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.MONEY", "kind": "variable", "doc": "

\n", "default_value": "<Type.MONEY: 'MONEY'>"}, "sqlglot.expressions.DataType.Type.SMALLMONEY": {"fullname": "sqlglot.expressions.DataType.Type.SMALLMONEY", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.SMALLMONEY", "kind": "variable", "doc": "

\n", "default_value": "<Type.SMALLMONEY: 'SMALLMONEY'>"}, "sqlglot.expressions.DataType.Type.ROWVERSION": {"fullname": "sqlglot.expressions.DataType.Type.ROWVERSION", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.ROWVERSION", "kind": "variable", "doc": "

\n", "default_value": "<Type.ROWVERSION: 'ROWVERSION'>"}, "sqlglot.expressions.DataType.Type.IMAGE": {"fullname": "sqlglot.expressions.DataType.Type.IMAGE", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.IMAGE", "kind": "variable", "doc": "

\n", "default_value": "<Type.IMAGE: 'IMAGE'>"}, "sqlglot.expressions.DataType.Type.VARIANT": {"fullname": "sqlglot.expressions.DataType.Type.VARIANT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.VARIANT", "kind": "variable", "doc": "

\n", "default_value": "<Type.VARIANT: 'VARIANT'>"}, "sqlglot.expressions.DataType.Type.OBJECT": {"fullname": "sqlglot.expressions.DataType.Type.OBJECT", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.OBJECT", "kind": "variable", "doc": "

\n", "default_value": "<Type.OBJECT: 'OBJECT'>"}, "sqlglot.expressions.DataType.Type.INET": {"fullname": "sqlglot.expressions.DataType.Type.INET", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.INET", "kind": "variable", "doc": "

\n", "default_value": "<Type.INET: 'INET'>"}, "sqlglot.expressions.DataType.Type.NULL": {"fullname": "sqlglot.expressions.DataType.Type.NULL", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.NULL", "kind": "variable", "doc": "

\n", "default_value": "<Type.NULL: 'NULL'>"}, "sqlglot.expressions.DataType.Type.UNKNOWN": {"fullname": "sqlglot.expressions.DataType.Type.UNKNOWN", "modulename": "sqlglot.expressions", "qualname": "DataType.Type.UNKNOWN", "kind": "variable", "doc": "

\n", "default_value": "<Type.UNKNOWN: 'UNKNOWN'>"}, "sqlglot.expressions.DataType.build": {"fullname": "sqlglot.expressions.DataType.build", "modulename": "sqlglot.expressions", "qualname": "DataType.build", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tdtype: str | sqlglot.expressions.DataType | sqlglot.expressions.DataType.Type,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**kwargs) -> sqlglot.expressions.DataType:", "funcdef": "def"}, "sqlglot.expressions.DataType.is_type": {"fullname": "sqlglot.expressions.DataType.is_type", "modulename": "sqlglot.expressions", "qualname": "DataType.is_type", "kind": "function", "doc": "

\n", "signature": "(self, dtype: sqlglot.expressions.DataType.Type) -> bool:", "funcdef": "def"}, "sqlglot.expressions.PseudoType": {"fullname": "sqlglot.expressions.PseudoType", "modulename": "sqlglot.expressions", "qualname": "PseudoType", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.StructKwarg": {"fullname": "sqlglot.expressions.StructKwarg", "modulename": "sqlglot.expressions", "qualname": "StructKwarg", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.SubqueryPredicate": {"fullname": "sqlglot.expressions.SubqueryPredicate", "modulename": "sqlglot.expressions", "qualname": "SubqueryPredicate", "kind": "class", "doc": "

\n", "bases": "Predicate"}, "sqlglot.expressions.All": {"fullname": "sqlglot.expressions.All", "modulename": "sqlglot.expressions", "qualname": "All", "kind": "class", "doc": "

\n", "bases": "SubqueryPredicate"}, "sqlglot.expressions.Any": {"fullname": "sqlglot.expressions.Any", "modulename": "sqlglot.expressions", "qualname": "Any", "kind": "class", "doc": "

\n", "bases": "SubqueryPredicate"}, "sqlglot.expressions.Exists": {"fullname": "sqlglot.expressions.Exists", "modulename": "sqlglot.expressions", "qualname": "Exists", "kind": "class", "doc": "

\n", "bases": "SubqueryPredicate"}, "sqlglot.expressions.Command": {"fullname": "sqlglot.expressions.Command", "modulename": "sqlglot.expressions", "qualname": "Command", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Transaction": {"fullname": "sqlglot.expressions.Transaction", "modulename": "sqlglot.expressions", "qualname": "Transaction", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Commit": {"fullname": "sqlglot.expressions.Commit", "modulename": "sqlglot.expressions", "qualname": "Commit", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Rollback": {"fullname": "sqlglot.expressions.Rollback", "modulename": "sqlglot.expressions", "qualname": "Rollback", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AlterTable": {"fullname": "sqlglot.expressions.AlterTable", "modulename": "sqlglot.expressions", "qualname": "AlterTable", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AddConstraint": {"fullname": "sqlglot.expressions.AddConstraint", "modulename": "sqlglot.expressions", "qualname": "AddConstraint", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.DropPartition": {"fullname": "sqlglot.expressions.DropPartition", "modulename": "sqlglot.expressions", "qualname": "DropPartition", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Binary": {"fullname": "sqlglot.expressions.Binary", "modulename": "sqlglot.expressions", "qualname": "Binary", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Add": {"fullname": "sqlglot.expressions.Add", "modulename": "sqlglot.expressions", "qualname": "Add", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Connector": {"fullname": "sqlglot.expressions.Connector", "modulename": "sqlglot.expressions", "qualname": "Connector", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.And": {"fullname": "sqlglot.expressions.And", "modulename": "sqlglot.expressions", "qualname": "And", "kind": "class", "doc": "

\n", "bases": "Connector"}, "sqlglot.expressions.Or": {"fullname": "sqlglot.expressions.Or", "modulename": "sqlglot.expressions", "qualname": "Or", "kind": "class", "doc": "

\n", "bases": "Connector"}, "sqlglot.expressions.BitwiseAnd": {"fullname": "sqlglot.expressions.BitwiseAnd", "modulename": "sqlglot.expressions", "qualname": "BitwiseAnd", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.BitwiseLeftShift": {"fullname": "sqlglot.expressions.BitwiseLeftShift", "modulename": "sqlglot.expressions", "qualname": "BitwiseLeftShift", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.BitwiseOr": {"fullname": "sqlglot.expressions.BitwiseOr", "modulename": "sqlglot.expressions", "qualname": "BitwiseOr", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.BitwiseRightShift": {"fullname": "sqlglot.expressions.BitwiseRightShift", "modulename": "sqlglot.expressions", "qualname": "BitwiseRightShift", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.BitwiseXor": {"fullname": "sqlglot.expressions.BitwiseXor", "modulename": "sqlglot.expressions", "qualname": "BitwiseXor", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Div": {"fullname": "sqlglot.expressions.Div", "modulename": "sqlglot.expressions", "qualname": "Div", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Overlaps": {"fullname": "sqlglot.expressions.Overlaps", "modulename": "sqlglot.expressions", "qualname": "Overlaps", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Dot": {"fullname": "sqlglot.expressions.Dot", "modulename": "sqlglot.expressions", "qualname": "Dot", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Dot.build": {"fullname": "sqlglot.expressions.Dot.build", "modulename": "sqlglot.expressions", "qualname": "Dot.build", "kind": "function", "doc": "

Build a Dot object with a sequence of expressions.

\n", "signature": "(\tself,\texpressions: Sequence[sqlglot.expressions.Expression]) -> sqlglot.expressions.Dot:", "funcdef": "def"}, "sqlglot.expressions.DPipe": {"fullname": "sqlglot.expressions.DPipe", "modulename": "sqlglot.expressions", "qualname": "DPipe", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.EQ": {"fullname": "sqlglot.expressions.EQ", "modulename": "sqlglot.expressions", "qualname": "EQ", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.NullSafeEQ": {"fullname": "sqlglot.expressions.NullSafeEQ", "modulename": "sqlglot.expressions", "qualname": "NullSafeEQ", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.NullSafeNEQ": {"fullname": "sqlglot.expressions.NullSafeNEQ", "modulename": "sqlglot.expressions", "qualname": "NullSafeNEQ", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.Distance": {"fullname": "sqlglot.expressions.Distance", "modulename": "sqlglot.expressions", "qualname": "Distance", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Escape": {"fullname": "sqlglot.expressions.Escape", "modulename": "sqlglot.expressions", "qualname": "Escape", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Glob": {"fullname": "sqlglot.expressions.Glob", "modulename": "sqlglot.expressions", "qualname": "Glob", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.GT": {"fullname": "sqlglot.expressions.GT", "modulename": "sqlglot.expressions", "qualname": "GT", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.GTE": {"fullname": "sqlglot.expressions.GTE", "modulename": "sqlglot.expressions", "qualname": "GTE", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.ILike": {"fullname": "sqlglot.expressions.ILike", "modulename": "sqlglot.expressions", "qualname": "ILike", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.ILikeAny": {"fullname": "sqlglot.expressions.ILikeAny", "modulename": "sqlglot.expressions", "qualname": "ILikeAny", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.IntDiv": {"fullname": "sqlglot.expressions.IntDiv", "modulename": "sqlglot.expressions", "qualname": "IntDiv", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Is": {"fullname": "sqlglot.expressions.Is", "modulename": "sqlglot.expressions", "qualname": "Is", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.Kwarg": {"fullname": "sqlglot.expressions.Kwarg", "modulename": "sqlglot.expressions", "qualname": "Kwarg", "kind": "class", "doc": "

Kwarg in special functions like func(kwarg => y).

\n", "bases": "Binary"}, "sqlglot.expressions.Like": {"fullname": "sqlglot.expressions.Like", "modulename": "sqlglot.expressions", "qualname": "Like", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.LikeAny": {"fullname": "sqlglot.expressions.LikeAny", "modulename": "sqlglot.expressions", "qualname": "LikeAny", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.LT": {"fullname": "sqlglot.expressions.LT", "modulename": "sqlglot.expressions", "qualname": "LT", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.LTE": {"fullname": "sqlglot.expressions.LTE", "modulename": "sqlglot.expressions", "qualname": "LTE", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.Mod": {"fullname": "sqlglot.expressions.Mod", "modulename": "sqlglot.expressions", "qualname": "Mod", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Mul": {"fullname": "sqlglot.expressions.Mul", "modulename": "sqlglot.expressions", "qualname": "Mul", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.NEQ": {"fullname": "sqlglot.expressions.NEQ", "modulename": "sqlglot.expressions", "qualname": "NEQ", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.SimilarTo": {"fullname": "sqlglot.expressions.SimilarTo", "modulename": "sqlglot.expressions", "qualname": "SimilarTo", "kind": "class", "doc": "

\n", "bases": "Binary, Predicate"}, "sqlglot.expressions.Slice": {"fullname": "sqlglot.expressions.Slice", "modulename": "sqlglot.expressions", "qualname": "Slice", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Sub": {"fullname": "sqlglot.expressions.Sub", "modulename": "sqlglot.expressions", "qualname": "Sub", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.ArrayOverlaps": {"fullname": "sqlglot.expressions.ArrayOverlaps", "modulename": "sqlglot.expressions", "qualname": "ArrayOverlaps", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.Unary": {"fullname": "sqlglot.expressions.Unary", "modulename": "sqlglot.expressions", "qualname": "Unary", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.BitwiseNot": {"fullname": "sqlglot.expressions.BitwiseNot", "modulename": "sqlglot.expressions", "qualname": "BitwiseNot", "kind": "class", "doc": "

\n", "bases": "Unary"}, "sqlglot.expressions.Not": {"fullname": "sqlglot.expressions.Not", "modulename": "sqlglot.expressions", "qualname": "Not", "kind": "class", "doc": "

\n", "bases": "Unary"}, "sqlglot.expressions.Paren": {"fullname": "sqlglot.expressions.Paren", "modulename": "sqlglot.expressions", "qualname": "Paren", "kind": "class", "doc": "

\n", "bases": "Unary"}, "sqlglot.expressions.Neg": {"fullname": "sqlglot.expressions.Neg", "modulename": "sqlglot.expressions", "qualname": "Neg", "kind": "class", "doc": "

\n", "bases": "Unary"}, "sqlglot.expressions.Alias": {"fullname": "sqlglot.expressions.Alias", "modulename": "sqlglot.expressions", "qualname": "Alias", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Alias.output_name": {"fullname": "sqlglot.expressions.Alias.output_name", "modulename": "sqlglot.expressions", "qualname": "Alias.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Aliases": {"fullname": "sqlglot.expressions.Aliases", "modulename": "sqlglot.expressions", "qualname": "Aliases", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.AtTimeZone": {"fullname": "sqlglot.expressions.AtTimeZone", "modulename": "sqlglot.expressions", "qualname": "AtTimeZone", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Between": {"fullname": "sqlglot.expressions.Between", "modulename": "sqlglot.expressions", "qualname": "Between", "kind": "class", "doc": "

\n", "bases": "Predicate"}, "sqlglot.expressions.Bracket": {"fullname": "sqlglot.expressions.Bracket", "modulename": "sqlglot.expressions", "qualname": "Bracket", "kind": "class", "doc": "

\n", "bases": "Condition"}, "sqlglot.expressions.Distinct": {"fullname": "sqlglot.expressions.Distinct", "modulename": "sqlglot.expressions", "qualname": "Distinct", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.In": {"fullname": "sqlglot.expressions.In", "modulename": "sqlglot.expressions", "qualname": "In", "kind": "class", "doc": "

\n", "bases": "Predicate"}, "sqlglot.expressions.TimeUnit": {"fullname": "sqlglot.expressions.TimeUnit", "modulename": "sqlglot.expressions", "qualname": "TimeUnit", "kind": "class", "doc": "

Automatically converts unit arg into a var.

\n", "bases": "Expression"}, "sqlglot.expressions.TimeUnit.__init__": {"fullname": "sqlglot.expressions.TimeUnit.__init__", "modulename": "sqlglot.expressions", "qualname": "TimeUnit.__init__", "kind": "function", "doc": "

\n", "signature": "(**args)"}, "sqlglot.expressions.Interval": {"fullname": "sqlglot.expressions.Interval", "modulename": "sqlglot.expressions", "qualname": "Interval", "kind": "class", "doc": "

\n", "bases": "TimeUnit"}, "sqlglot.expressions.IgnoreNulls": {"fullname": "sqlglot.expressions.IgnoreNulls", "modulename": "sqlglot.expressions", "qualname": "IgnoreNulls", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.RespectNulls": {"fullname": "sqlglot.expressions.RespectNulls", "modulename": "sqlglot.expressions", "qualname": "RespectNulls", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Func": {"fullname": "sqlglot.expressions.Func", "modulename": "sqlglot.expressions", "qualname": "Func", "kind": "class", "doc": "

The base class for all function expressions.

\n\n
Attributes:
\n\n
    \n
  • is_var_len_args (bool): if set to True the last argument defined in arg_types will be\ntreated as a variable length argument and the argument's value will be stored as a list.
    • \n
  • _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items)\nfor this function expression. These values are used to map this node to a name during parsing\nas well as to provide the function's name during SQL string generation. By default the SQL\nname is set to the expression's class name transformed to snake case.
    • \n
\n", "bases": "Condition"}, "sqlglot.expressions.Func.from_arg_list": {"fullname": "sqlglot.expressions.Func.from_arg_list", "modulename": "sqlglot.expressions", "qualname": "Func.from_arg_list", "kind": "function", "doc": "

\n", "signature": "(cls, args):", "funcdef": "def"}, "sqlglot.expressions.Func.sql_names": {"fullname": "sqlglot.expressions.Func.sql_names", "modulename": "sqlglot.expressions", "qualname": "Func.sql_names", "kind": "function", "doc": "

\n", "signature": "(cls):", "funcdef": "def"}, "sqlglot.expressions.Func.sql_name": {"fullname": "sqlglot.expressions.Func.sql_name", "modulename": "sqlglot.expressions", "qualname": "Func.sql_name", "kind": "function", "doc": "

\n", "signature": "(cls):", "funcdef": "def"}, "sqlglot.expressions.Func.default_parser_mappings": {"fullname": "sqlglot.expressions.Func.default_parser_mappings", "modulename": "sqlglot.expressions", "qualname": "Func.default_parser_mappings", "kind": "function", "doc": "

\n", "signature": "(cls):", "funcdef": "def"}, "sqlglot.expressions.AggFunc": {"fullname": "sqlglot.expressions.AggFunc", "modulename": "sqlglot.expressions", "qualname": "AggFunc", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Abs": {"fullname": "sqlglot.expressions.Abs", "modulename": "sqlglot.expressions", "qualname": "Abs", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Anonymous": {"fullname": "sqlglot.expressions.Anonymous", "modulename": "sqlglot.expressions", "qualname": "Anonymous", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Hll": {"fullname": "sqlglot.expressions.Hll", "modulename": "sqlglot.expressions", "qualname": "Hll", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.ApproxDistinct": {"fullname": "sqlglot.expressions.ApproxDistinct", "modulename": "sqlglot.expressions", "qualname": "ApproxDistinct", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Array": {"fullname": "sqlglot.expressions.Array", "modulename": "sqlglot.expressions", "qualname": "Array", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ToChar": {"fullname": "sqlglot.expressions.ToChar", "modulename": "sqlglot.expressions", "qualname": "ToChar", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.GenerateSeries": {"fullname": "sqlglot.expressions.GenerateSeries", "modulename": "sqlglot.expressions", "qualname": "GenerateSeries", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayAgg": {"fullname": "sqlglot.expressions.ArrayAgg", "modulename": "sqlglot.expressions", "qualname": "ArrayAgg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.ArrayAll": {"fullname": "sqlglot.expressions.ArrayAll", "modulename": "sqlglot.expressions", "qualname": "ArrayAll", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayAny": {"fullname": "sqlglot.expressions.ArrayAny", "modulename": "sqlglot.expressions", "qualname": "ArrayAny", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayConcat": {"fullname": "sqlglot.expressions.ArrayConcat", "modulename": "sqlglot.expressions", "qualname": "ArrayConcat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayContains": {"fullname": "sqlglot.expressions.ArrayContains", "modulename": "sqlglot.expressions", "qualname": "ArrayContains", "kind": "class", "doc": "

\n", "bases": "Binary, Func"}, "sqlglot.expressions.ArrayContained": {"fullname": "sqlglot.expressions.ArrayContained", "modulename": "sqlglot.expressions", "qualname": "ArrayContained", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.ArrayFilter": {"fullname": "sqlglot.expressions.ArrayFilter", "modulename": "sqlglot.expressions", "qualname": "ArrayFilter", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayJoin": {"fullname": "sqlglot.expressions.ArrayJoin", "modulename": "sqlglot.expressions", "qualname": "ArrayJoin", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArraySize": {"fullname": "sqlglot.expressions.ArraySize", "modulename": "sqlglot.expressions", "qualname": "ArraySize", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArraySort": {"fullname": "sqlglot.expressions.ArraySort", "modulename": "sqlglot.expressions", "qualname": "ArraySort", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArraySum": {"fullname": "sqlglot.expressions.ArraySum", "modulename": "sqlglot.expressions", "qualname": "ArraySum", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ArrayUnionAgg": {"fullname": "sqlglot.expressions.ArrayUnionAgg", "modulename": "sqlglot.expressions", "qualname": "ArrayUnionAgg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Avg": {"fullname": "sqlglot.expressions.Avg", "modulename": "sqlglot.expressions", "qualname": "Avg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.AnyValue": {"fullname": "sqlglot.expressions.AnyValue", "modulename": "sqlglot.expressions", "qualname": "AnyValue", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Case": {"fullname": "sqlglot.expressions.Case", "modulename": "sqlglot.expressions", "qualname": "Case", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Case.when": {"fullname": "sqlglot.expressions.Case.when", "modulename": "sqlglot.expressions", "qualname": "Case.when", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcondition: Union[str, sqlglot.expressions.Expression],\tthen: Union[str, sqlglot.expressions.Expression],\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Case:", "funcdef": "def"}, "sqlglot.expressions.Case.else_": {"fullname": "sqlglot.expressions.Case.else_", "modulename": "sqlglot.expressions", "qualname": "Case.else_", "kind": "function", "doc": "

\n", "signature": "(\tself,\tcondition: Union[str, sqlglot.expressions.Expression],\tcopy: bool = True,\t**opts) -> sqlglot.expressions.Case:", "funcdef": "def"}, "sqlglot.expressions.Cast": {"fullname": "sqlglot.expressions.Cast", "modulename": "sqlglot.expressions", "qualname": "Cast", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Cast.output_name": {"fullname": "sqlglot.expressions.Cast.output_name", "modulename": "sqlglot.expressions", "qualname": "Cast.output_name", "kind": "variable", "doc": "

Name of the output column if this expression is a selection.

\n\n

If the Expression has no output name, an empty string is returned.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> parse_one("SELECT a").expressions[0].output_name\n'a'\n>>> parse_one("SELECT b AS c").expressions[0].output_name\n'c'\n>>> parse_one("SELECT 1 + 2").expressions[0].output_name\n''\n
\n
\n
\n"}, "sqlglot.expressions.Cast.is_type": {"fullname": "sqlglot.expressions.Cast.is_type", "modulename": "sqlglot.expressions", "qualname": "Cast.is_type", "kind": "function", "doc": "

\n", "signature": "(self, dtype: sqlglot.expressions.DataType.Type) -> bool:", "funcdef": "def"}, "sqlglot.expressions.Collate": {"fullname": "sqlglot.expressions.Collate", "modulename": "sqlglot.expressions", "qualname": "Collate", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.TryCast": {"fullname": "sqlglot.expressions.TryCast", "modulename": "sqlglot.expressions", "qualname": "TryCast", "kind": "class", "doc": "

\n", "bases": "Cast"}, "sqlglot.expressions.Ceil": {"fullname": "sqlglot.expressions.Ceil", "modulename": "sqlglot.expressions", "qualname": "Ceil", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Coalesce": {"fullname": "sqlglot.expressions.Coalesce", "modulename": "sqlglot.expressions", "qualname": "Coalesce", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Concat": {"fullname": "sqlglot.expressions.Concat", "modulename": "sqlglot.expressions", "qualname": "Concat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ConcatWs": {"fullname": "sqlglot.expressions.ConcatWs", "modulename": "sqlglot.expressions", "qualname": "ConcatWs", "kind": "class", "doc": "

\n", "bases": "Concat"}, "sqlglot.expressions.Count": {"fullname": "sqlglot.expressions.Count", "modulename": "sqlglot.expressions", "qualname": "Count", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.CountIf": {"fullname": "sqlglot.expressions.CountIf", "modulename": "sqlglot.expressions", "qualname": "CountIf", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.CurrentDate": {"fullname": "sqlglot.expressions.CurrentDate", "modulename": "sqlglot.expressions", "qualname": "CurrentDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.CurrentDatetime": {"fullname": "sqlglot.expressions.CurrentDatetime", "modulename": "sqlglot.expressions", "qualname": "CurrentDatetime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.CurrentTime": {"fullname": "sqlglot.expressions.CurrentTime", "modulename": "sqlglot.expressions", "qualname": "CurrentTime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.CurrentTimestamp": {"fullname": "sqlglot.expressions.CurrentTimestamp", "modulename": "sqlglot.expressions", "qualname": "CurrentTimestamp", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.CurrentUser": {"fullname": "sqlglot.expressions.CurrentUser", "modulename": "sqlglot.expressions", "qualname": "CurrentUser", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DateAdd": {"fullname": "sqlglot.expressions.DateAdd", "modulename": "sqlglot.expressions", "qualname": "DateAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DateSub": {"fullname": "sqlglot.expressions.DateSub", "modulename": "sqlglot.expressions", "qualname": "DateSub", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DateDiff": {"fullname": "sqlglot.expressions.DateDiff", "modulename": "sqlglot.expressions", "qualname": "DateDiff", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DateTrunc": {"fullname": "sqlglot.expressions.DateTrunc", "modulename": "sqlglot.expressions", "qualname": "DateTrunc", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DatetimeAdd": {"fullname": "sqlglot.expressions.DatetimeAdd", "modulename": "sqlglot.expressions", "qualname": "DatetimeAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DatetimeSub": {"fullname": "sqlglot.expressions.DatetimeSub", "modulename": "sqlglot.expressions", "qualname": "DatetimeSub", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DatetimeDiff": {"fullname": "sqlglot.expressions.DatetimeDiff", "modulename": "sqlglot.expressions", "qualname": "DatetimeDiff", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DatetimeTrunc": {"fullname": "sqlglot.expressions.DatetimeTrunc", "modulename": "sqlglot.expressions", "qualname": "DatetimeTrunc", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DayOfWeek": {"fullname": "sqlglot.expressions.DayOfWeek", "modulename": "sqlglot.expressions", "qualname": "DayOfWeek", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DayOfMonth": {"fullname": "sqlglot.expressions.DayOfMonth", "modulename": "sqlglot.expressions", "qualname": "DayOfMonth", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DayOfYear": {"fullname": "sqlglot.expressions.DayOfYear", "modulename": "sqlglot.expressions", "qualname": "DayOfYear", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.WeekOfYear": {"fullname": "sqlglot.expressions.WeekOfYear", "modulename": "sqlglot.expressions", "qualname": "WeekOfYear", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.LastDateOfMonth": {"fullname": "sqlglot.expressions.LastDateOfMonth", "modulename": "sqlglot.expressions", "qualname": "LastDateOfMonth", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Extract": {"fullname": "sqlglot.expressions.Extract", "modulename": "sqlglot.expressions", "qualname": "Extract", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimestampAdd": {"fullname": "sqlglot.expressions.TimestampAdd", "modulename": "sqlglot.expressions", "qualname": "TimestampAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimestampSub": {"fullname": "sqlglot.expressions.TimestampSub", "modulename": "sqlglot.expressions", "qualname": "TimestampSub", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimestampDiff": {"fullname": "sqlglot.expressions.TimestampDiff", "modulename": "sqlglot.expressions", "qualname": "TimestampDiff", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimestampTrunc": {"fullname": "sqlglot.expressions.TimestampTrunc", "modulename": "sqlglot.expressions", "qualname": "TimestampTrunc", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimeAdd": {"fullname": "sqlglot.expressions.TimeAdd", "modulename": "sqlglot.expressions", "qualname": "TimeAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimeSub": {"fullname": "sqlglot.expressions.TimeSub", "modulename": "sqlglot.expressions", "qualname": "TimeSub", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimeDiff": {"fullname": "sqlglot.expressions.TimeDiff", "modulename": "sqlglot.expressions", "qualname": "TimeDiff", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TimeTrunc": {"fullname": "sqlglot.expressions.TimeTrunc", "modulename": "sqlglot.expressions", "qualname": "TimeTrunc", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.DateFromParts": {"fullname": "sqlglot.expressions.DateFromParts", "modulename": "sqlglot.expressions", "qualname": "DateFromParts", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DateStrToDate": {"fullname": "sqlglot.expressions.DateStrToDate", "modulename": "sqlglot.expressions", "qualname": "DateStrToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DateToDateStr": {"fullname": "sqlglot.expressions.DateToDateStr", "modulename": "sqlglot.expressions", "qualname": "DateToDateStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DateToDi": {"fullname": "sqlglot.expressions.DateToDi", "modulename": "sqlglot.expressions", "qualname": "DateToDi", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Day": {"fullname": "sqlglot.expressions.Day", "modulename": "sqlglot.expressions", "qualname": "Day", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Decode": {"fullname": "sqlglot.expressions.Decode", "modulename": "sqlglot.expressions", "qualname": "Decode", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.DiToDate": {"fullname": "sqlglot.expressions.DiToDate", "modulename": "sqlglot.expressions", "qualname": "DiToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Encode": {"fullname": "sqlglot.expressions.Encode", "modulename": "sqlglot.expressions", "qualname": "Encode", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Exp": {"fullname": "sqlglot.expressions.Exp", "modulename": "sqlglot.expressions", "qualname": "Exp", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Explode": {"fullname": "sqlglot.expressions.Explode", "modulename": "sqlglot.expressions", "qualname": "Explode", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ExponentialTimeDecayedAvg": {"fullname": "sqlglot.expressions.ExponentialTimeDecayedAvg", "modulename": "sqlglot.expressions", "qualname": "ExponentialTimeDecayedAvg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Floor": {"fullname": "sqlglot.expressions.Floor", "modulename": "sqlglot.expressions", "qualname": "Floor", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Greatest": {"fullname": "sqlglot.expressions.Greatest", "modulename": "sqlglot.expressions", "qualname": "Greatest", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.GroupConcat": {"fullname": "sqlglot.expressions.GroupConcat", "modulename": "sqlglot.expressions", "qualname": "GroupConcat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.GroupUniqArray": {"fullname": "sqlglot.expressions.GroupUniqArray", "modulename": "sqlglot.expressions", "qualname": "GroupUniqArray", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Hex": {"fullname": "sqlglot.expressions.Hex", "modulename": "sqlglot.expressions", "qualname": "Hex", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Histogram": {"fullname": "sqlglot.expressions.Histogram", "modulename": "sqlglot.expressions", "qualname": "Histogram", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.If": {"fullname": "sqlglot.expressions.If", "modulename": "sqlglot.expressions", "qualname": "If", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.IfNull": {"fullname": "sqlglot.expressions.IfNull", "modulename": "sqlglot.expressions", "qualname": "IfNull", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Initcap": {"fullname": "sqlglot.expressions.Initcap", "modulename": "sqlglot.expressions", "qualname": "Initcap", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.JSONKeyValue": {"fullname": "sqlglot.expressions.JSONKeyValue", "modulename": "sqlglot.expressions", "qualname": "JSONKeyValue", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.JSONObject": {"fullname": "sqlglot.expressions.JSONObject", "modulename": "sqlglot.expressions", "qualname": "JSONObject", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.JSONBContains": {"fullname": "sqlglot.expressions.JSONBContains", "modulename": "sqlglot.expressions", "qualname": "JSONBContains", "kind": "class", "doc": "

\n", "bases": "Binary"}, "sqlglot.expressions.JSONExtract": {"fullname": "sqlglot.expressions.JSONExtract", "modulename": "sqlglot.expressions", "qualname": "JSONExtract", "kind": "class", "doc": "

\n", "bases": "Binary, Func"}, "sqlglot.expressions.JSONExtractScalar": {"fullname": "sqlglot.expressions.JSONExtractScalar", "modulename": "sqlglot.expressions", "qualname": "JSONExtractScalar", "kind": "class", "doc": "

\n", "bases": "JSONExtract"}, "sqlglot.expressions.JSONBExtract": {"fullname": "sqlglot.expressions.JSONBExtract", "modulename": "sqlglot.expressions", "qualname": "JSONBExtract", "kind": "class", "doc": "

\n", "bases": "JSONExtract"}, "sqlglot.expressions.JSONBExtractScalar": {"fullname": "sqlglot.expressions.JSONBExtractScalar", "modulename": "sqlglot.expressions", "qualname": "JSONBExtractScalar", "kind": "class", "doc": "

\n", "bases": "JSONExtract"}, "sqlglot.expressions.JSONFormat": {"fullname": "sqlglot.expressions.JSONFormat", "modulename": "sqlglot.expressions", "qualname": "JSONFormat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Least": {"fullname": "sqlglot.expressions.Least", "modulename": "sqlglot.expressions", "qualname": "Least", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Length": {"fullname": "sqlglot.expressions.Length", "modulename": "sqlglot.expressions", "qualname": "Length", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Levenshtein": {"fullname": "sqlglot.expressions.Levenshtein", "modulename": "sqlglot.expressions", "qualname": "Levenshtein", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Ln": {"fullname": "sqlglot.expressions.Ln", "modulename": "sqlglot.expressions", "qualname": "Ln", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Log": {"fullname": "sqlglot.expressions.Log", "modulename": "sqlglot.expressions", "qualname": "Log", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Log2": {"fullname": "sqlglot.expressions.Log2", "modulename": "sqlglot.expressions", "qualname": "Log2", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Log10": {"fullname": "sqlglot.expressions.Log10", "modulename": "sqlglot.expressions", "qualname": "Log10", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.LogicalOr": {"fullname": "sqlglot.expressions.LogicalOr", "modulename": "sqlglot.expressions", "qualname": "LogicalOr", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.LogicalAnd": {"fullname": "sqlglot.expressions.LogicalAnd", "modulename": "sqlglot.expressions", "qualname": "LogicalAnd", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Lower": {"fullname": "sqlglot.expressions.Lower", "modulename": "sqlglot.expressions", "qualname": "Lower", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Map": {"fullname": "sqlglot.expressions.Map", "modulename": "sqlglot.expressions", "qualname": "Map", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StarMap": {"fullname": "sqlglot.expressions.StarMap", "modulename": "sqlglot.expressions", "qualname": "StarMap", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.VarMap": {"fullname": "sqlglot.expressions.VarMap", "modulename": "sqlglot.expressions", "qualname": "VarMap", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.MatchAgainst": {"fullname": "sqlglot.expressions.MatchAgainst", "modulename": "sqlglot.expressions", "qualname": "MatchAgainst", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Max": {"fullname": "sqlglot.expressions.Max", "modulename": "sqlglot.expressions", "qualname": "Max", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.MD5": {"fullname": "sqlglot.expressions.MD5", "modulename": "sqlglot.expressions", "qualname": "MD5", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Min": {"fullname": "sqlglot.expressions.Min", "modulename": "sqlglot.expressions", "qualname": "Min", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Month": {"fullname": "sqlglot.expressions.Month", "modulename": "sqlglot.expressions", "qualname": "Month", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Nvl2": {"fullname": "sqlglot.expressions.Nvl2", "modulename": "sqlglot.expressions", "qualname": "Nvl2", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Posexplode": {"fullname": "sqlglot.expressions.Posexplode", "modulename": "sqlglot.expressions", "qualname": "Posexplode", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Pow": {"fullname": "sqlglot.expressions.Pow", "modulename": "sqlglot.expressions", "qualname": "Pow", "kind": "class", "doc": "

\n", "bases": "Binary, Func"}, "sqlglot.expressions.PercentileCont": {"fullname": "sqlglot.expressions.PercentileCont", "modulename": "sqlglot.expressions", "qualname": "PercentileCont", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.PercentileDisc": {"fullname": "sqlglot.expressions.PercentileDisc", "modulename": "sqlglot.expressions", "qualname": "PercentileDisc", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Quantile": {"fullname": "sqlglot.expressions.Quantile", "modulename": "sqlglot.expressions", "qualname": "Quantile", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Quantiles": {"fullname": "sqlglot.expressions.Quantiles", "modulename": "sqlglot.expressions", "qualname": "Quantiles", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.QuantileIf": {"fullname": "sqlglot.expressions.QuantileIf", "modulename": "sqlglot.expressions", "qualname": "QuantileIf", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.ApproxQuantile": {"fullname": "sqlglot.expressions.ApproxQuantile", "modulename": "sqlglot.expressions", "qualname": "ApproxQuantile", "kind": "class", "doc": "

\n", "bases": "Quantile"}, "sqlglot.expressions.RangeN": {"fullname": "sqlglot.expressions.RangeN", "modulename": "sqlglot.expressions", "qualname": "RangeN", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.ReadCSV": {"fullname": "sqlglot.expressions.ReadCSV", "modulename": "sqlglot.expressions", "qualname": "ReadCSV", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Reduce": {"fullname": "sqlglot.expressions.Reduce", "modulename": "sqlglot.expressions", "qualname": "Reduce", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RegexpExtract": {"fullname": "sqlglot.expressions.RegexpExtract", "modulename": "sqlglot.expressions", "qualname": "RegexpExtract", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RegexpLike": {"fullname": "sqlglot.expressions.RegexpLike", "modulename": "sqlglot.expressions", "qualname": "RegexpLike", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RegexpILike": {"fullname": "sqlglot.expressions.RegexpILike", "modulename": "sqlglot.expressions", "qualname": "RegexpILike", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RegexpSplit": {"fullname": "sqlglot.expressions.RegexpSplit", "modulename": "sqlglot.expressions", "qualname": "RegexpSplit", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Repeat": {"fullname": "sqlglot.expressions.Repeat", "modulename": "sqlglot.expressions", "qualname": "Repeat", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Round": {"fullname": "sqlglot.expressions.Round", "modulename": "sqlglot.expressions", "qualname": "Round", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.RowNumber": {"fullname": "sqlglot.expressions.RowNumber", "modulename": "sqlglot.expressions", "qualname": "RowNumber", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.SafeDivide": {"fullname": "sqlglot.expressions.SafeDivide", "modulename": "sqlglot.expressions", "qualname": "SafeDivide", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.SetAgg": {"fullname": "sqlglot.expressions.SetAgg", "modulename": "sqlglot.expressions", "qualname": "SetAgg", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.SHA": {"fullname": "sqlglot.expressions.SHA", "modulename": "sqlglot.expressions", "qualname": "SHA", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.SHA2": {"fullname": "sqlglot.expressions.SHA2", "modulename": "sqlglot.expressions", "qualname": "SHA2", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.SortArray": {"fullname": "sqlglot.expressions.SortArray", "modulename": "sqlglot.expressions", "qualname": "SortArray", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Split": {"fullname": "sqlglot.expressions.Split", "modulename": "sqlglot.expressions", "qualname": "Split", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Substring": {"fullname": "sqlglot.expressions.Substring", "modulename": "sqlglot.expressions", "qualname": "Substring", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StrPosition": {"fullname": "sqlglot.expressions.StrPosition", "modulename": "sqlglot.expressions", "qualname": "StrPosition", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StrToDate": {"fullname": "sqlglot.expressions.StrToDate", "modulename": "sqlglot.expressions", "qualname": "StrToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StrToTime": {"fullname": "sqlglot.expressions.StrToTime", "modulename": "sqlglot.expressions", "qualname": "StrToTime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StrToUnix": {"fullname": "sqlglot.expressions.StrToUnix", "modulename": "sqlglot.expressions", "qualname": "StrToUnix", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.NumberToStr": {"fullname": "sqlglot.expressions.NumberToStr", "modulename": "sqlglot.expressions", "qualname": "NumberToStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Struct": {"fullname": "sqlglot.expressions.Struct", "modulename": "sqlglot.expressions", "qualname": "Struct", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.StructExtract": {"fullname": "sqlglot.expressions.StructExtract", "modulename": "sqlglot.expressions", "qualname": "StructExtract", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Sum": {"fullname": "sqlglot.expressions.Sum", "modulename": "sqlglot.expressions", "qualname": "Sum", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Sqrt": {"fullname": "sqlglot.expressions.Sqrt", "modulename": "sqlglot.expressions", "qualname": "Sqrt", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Stddev": {"fullname": "sqlglot.expressions.Stddev", "modulename": "sqlglot.expressions", "qualname": "Stddev", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.StddevPop": {"fullname": "sqlglot.expressions.StddevPop", "modulename": "sqlglot.expressions", "qualname": "StddevPop", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.StddevSamp": {"fullname": "sqlglot.expressions.StddevSamp", "modulename": "sqlglot.expressions", "qualname": "StddevSamp", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.TimeToStr": {"fullname": "sqlglot.expressions.TimeToStr", "modulename": "sqlglot.expressions", "qualname": "TimeToStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeToTimeStr": {"fullname": "sqlglot.expressions.TimeToTimeStr", "modulename": "sqlglot.expressions", "qualname": "TimeToTimeStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeToUnix": {"fullname": "sqlglot.expressions.TimeToUnix", "modulename": "sqlglot.expressions", "qualname": "TimeToUnix", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeStrToDate": {"fullname": "sqlglot.expressions.TimeStrToDate", "modulename": "sqlglot.expressions", "qualname": "TimeStrToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeStrToTime": {"fullname": "sqlglot.expressions.TimeStrToTime", "modulename": "sqlglot.expressions", "qualname": "TimeStrToTime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TimeStrToUnix": {"fullname": "sqlglot.expressions.TimeStrToUnix", "modulename": "sqlglot.expressions", "qualname": "TimeStrToUnix", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Trim": {"fullname": "sqlglot.expressions.Trim", "modulename": "sqlglot.expressions", "qualname": "Trim", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TsOrDsAdd": {"fullname": "sqlglot.expressions.TsOrDsAdd", "modulename": "sqlglot.expressions", "qualname": "TsOrDsAdd", "kind": "class", "doc": "

\n", "bases": "Func, TimeUnit"}, "sqlglot.expressions.TsOrDsToDateStr": {"fullname": "sqlglot.expressions.TsOrDsToDateStr", "modulename": "sqlglot.expressions", "qualname": "TsOrDsToDateStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TsOrDsToDate": {"fullname": "sqlglot.expressions.TsOrDsToDate", "modulename": "sqlglot.expressions", "qualname": "TsOrDsToDate", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.TsOrDiToDi": {"fullname": "sqlglot.expressions.TsOrDiToDi", "modulename": "sqlglot.expressions", "qualname": "TsOrDiToDi", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Unhex": {"fullname": "sqlglot.expressions.Unhex", "modulename": "sqlglot.expressions", "qualname": "Unhex", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.UnixToStr": {"fullname": "sqlglot.expressions.UnixToStr", "modulename": "sqlglot.expressions", "qualname": "UnixToStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.UnixToTime": {"fullname": "sqlglot.expressions.UnixToTime", "modulename": "sqlglot.expressions", "qualname": "UnixToTime", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.UnixToTimeStr": {"fullname": "sqlglot.expressions.UnixToTimeStr", "modulename": "sqlglot.expressions", "qualname": "UnixToTimeStr", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Upper": {"fullname": "sqlglot.expressions.Upper", "modulename": "sqlglot.expressions", "qualname": "Upper", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Variance": {"fullname": "sqlglot.expressions.Variance", "modulename": "sqlglot.expressions", "qualname": "Variance", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.VariancePop": {"fullname": "sqlglot.expressions.VariancePop", "modulename": "sqlglot.expressions", "qualname": "VariancePop", "kind": "class", "doc": "

\n", "bases": "AggFunc"}, "sqlglot.expressions.Week": {"fullname": "sqlglot.expressions.Week", "modulename": "sqlglot.expressions", "qualname": "Week", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.XMLTable": {"fullname": "sqlglot.expressions.XMLTable", "modulename": "sqlglot.expressions", "qualname": "XMLTable", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Year": {"fullname": "sqlglot.expressions.Year", "modulename": "sqlglot.expressions", "qualname": "Year", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.Use": {"fullname": "sqlglot.expressions.Use", "modulename": "sqlglot.expressions", "qualname": "Use", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.Merge": {"fullname": "sqlglot.expressions.Merge", "modulename": "sqlglot.expressions", "qualname": "Merge", "kind": "class", "doc": "

\n", "bases": "Expression"}, "sqlglot.expressions.When": {"fullname": "sqlglot.expressions.When", "modulename": "sqlglot.expressions", "qualname": "When", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.NextValueFor": {"fullname": "sqlglot.expressions.NextValueFor", "modulename": "sqlglot.expressions", "qualname": "NextValueFor", "kind": "class", "doc": "

\n", "bases": "Func"}, "sqlglot.expressions.maybe_parse": {"fullname": "sqlglot.expressions.maybe_parse", "modulename": "sqlglot.expressions", "qualname": "maybe_parse", "kind": "function", "doc": "

Gracefully handle a possible string or expression.

\n\n
Example:
\n\n
\n
\n
>>> maybe_parse("1")\n(LITERAL this: 1, is_string: False)\n>>> maybe_parse(to_identifier("x"))\n(IDENTIFIER this: x, quoted: False)\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • sql_or_expression: the SQL code string or an expression
    • \n
  • into: the SQLGlot Expression to parse into
    • \n
  • dialect: the dialect used to parse the input expressions (in the case that an\ninput expression is a SQL string).
    • \n
  • prefix: a string to prefix the sql with before it gets parsed\n(automatically includes a space)
    • \n
  • copy: whether or not to copy the expression.
    • \n
  • **opts: other options to use to parse the input expressions (again, in the case\nthat an input expression is a SQL string).
    • \n
\n\n
Returns:
\n\n
\n

Expression: the parsed or given expression.

\n
\n", "signature": "(\tsql_or_expression: Union[str, sqlglot.expressions.Expression],\t*,\tinto: Union[str, Type[sqlglot.expressions.Expression], Collection[Union[str, Type[sqlglot.expressions.Expression]]], NoneType] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\tprefix: Optional[str] = None,\tcopy: bool = False,\t**opts) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.expressions.union": {"fullname": "sqlglot.expressions.union", "modulename": "sqlglot.expressions", "qualname": "union", "kind": "function", "doc": "

Initializes a syntax tree from one UNION expression.

\n\n
Example:
\n\n
\n
\n
>>> union("SELECT * FROM foo", "SELECT * FROM bla").sql()\n'SELECT * FROM foo UNION SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • left (str | Expression): the SQL code string corresponding to the left-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • right (str | Expression): the SQL code string corresponding to the right-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Union: the syntax tree for the UNION expression.

\n
\n", "signature": "(left, right, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.intersect": {"fullname": "sqlglot.expressions.intersect", "modulename": "sqlglot.expressions", "qualname": "intersect", "kind": "function", "doc": "

Initializes a syntax tree from one INTERSECT expression.

\n\n
Example:
\n\n
\n
\n
>>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql()\n'SELECT * FROM foo INTERSECT SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • left (str | Expression): the SQL code string corresponding to the left-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • right (str | Expression): the SQL code string corresponding to the right-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Intersect: the syntax tree for the INTERSECT expression.

\n
\n", "signature": "(left, right, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.except_": {"fullname": "sqlglot.expressions.except_", "modulename": "sqlglot.expressions", "qualname": "except_", "kind": "function", "doc": "

Initializes a syntax tree from one EXCEPT expression.

\n\n
Example:
\n\n
\n
\n
>>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql()\n'SELECT * FROM foo EXCEPT SELECT * FROM bla'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • left (str | Expression): the SQL code string corresponding to the left-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • right (str | Expression): the SQL code string corresponding to the right-hand side.\nIf an Expression instance is passed, it will be used as-is.
    • \n
  • distinct (bool): set the DISTINCT flag if and only if this is true.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • opts (kwargs): other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Except: the syntax tree for the EXCEPT statement.

\n
\n", "signature": "(left, right, distinct=True, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.select": {"fullname": "sqlglot.expressions.select", "modulename": "sqlglot.expressions", "qualname": "select", "kind": "function", "doc": "

Initializes a syntax tree from one or multiple SELECT expressions.

\n\n
Example:
\n\n
\n
\n
>>> select("col1", "col2").from_("tbl").sql()\n'SELECT col1, col2 FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions: the SQL code string to parse as the expressions of a\nSELECT statement. If an Expression instance is passed, this is used as-is.
    • \n
  • dialect: the dialect used to parse the input expressions (in the case that an\ninput expression is a SQL string).
    • \n
  • **opts: other options to use to parse the input expressions (again, in the case\nthat an input expression is a SQL string).
    • \n
\n\n
Returns:
\n\n
\n

Select: the syntax tree for the SELECT statement.

\n
\n", "signature": "(\t*expressions: Union[str, sqlglot.expressions.Expression],\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.from_": {"fullname": "sqlglot.expressions.from_", "modulename": "sqlglot.expressions", "qualname": "from_", "kind": "function", "doc": "

Initializes a syntax tree from a FROM expression.

\n\n
Example:
\n\n
\n
\n
>>> from_("tbl").select("col1", "col2").sql()\n'SELECT col1, col2 FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a\nSELECT statement. If an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression (in the case that the\ninput expression is a SQL string).
    • \n
  • **opts: other options to use to parse the input expressions (again, in the case\nthat the input expression is a SQL string).
    • \n
\n\n
Returns:
\n\n
\n

Select: the syntax tree for the SELECT statement.

\n
\n", "signature": "(*expressions, dialect=None, **opts) -> sqlglot.expressions.Select:", "funcdef": "def"}, "sqlglot.expressions.update": {"fullname": "sqlglot.expressions.update", "modulename": "sqlglot.expressions", "qualname": "update", "kind": "function", "doc": "

Creates an update statement.

\n\n
Example:
\n\n
\n
\n
>>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql()\n"UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *properties: dictionary of properties to set which are\nauto converted to sql objects eg None -> NULL
    • \n
  • where: sql conditional parsed into a WHERE statement
    • \n
  • from_: sql statement parsed into a FROM statement
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Update: the syntax tree for the UPDATE statement.

\n
\n", "signature": "(\ttable: str | sqlglot.expressions.Table,\tproperties: dict,\twhere: Union[str, sqlglot.expressions.Expression, NoneType] = None,\tfrom_: Union[str, sqlglot.expressions.Expression, NoneType] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> sqlglot.expressions.Update:", "funcdef": "def"}, "sqlglot.expressions.delete": {"fullname": "sqlglot.expressions.delete", "modulename": "sqlglot.expressions", "qualname": "delete", "kind": "function", "doc": "

Builds a delete statement.

\n\n
Example:
\n\n
\n
\n
>>> delete("my_table", where="id > 1").sql()\n'DELETE FROM my_table WHERE id > 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • where: sql conditional parsed into a WHERE statement
    • \n
  • returning: sql conditional parsed into a RETURNING statement
    • \n
  • dialect: the dialect used to parse the input expressions.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Delete: the syntax tree for the DELETE statement.

\n
\n", "signature": "(\ttable: Union[str, sqlglot.expressions.Expression],\twhere: Union[str, sqlglot.expressions.Expression, NoneType] = None,\treturning: Union[str, sqlglot.expressions.Expression, NoneType] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts) -> sqlglot.expressions.Delete:", "funcdef": "def"}, "sqlglot.expressions.condition": {"fullname": "sqlglot.expressions.condition", "modulename": "sqlglot.expressions", "qualname": "condition", "kind": "function", "doc": "

Initialize a logical condition expression.

\n\n
Example:
\n\n
\n
\n
>>> condition("x=1").sql()\n'x = 1'\n
\n
\n \n

This is helpful for composing larger logical syntax trees:

\n \n
\n
>>> where = condition("x=1")\n>>> where = where.and_("y=1")\n>>> Select().from_("tbl").select("*").where(where).sql()\n'SELECT * FROM tbl WHERE x = 1 AND y = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expression (str | Expression): the SQL code string to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression (in the case that the\ninput expression is a SQL string).
    • \n
  • copy (bool): Whether or not to copy expression (only applies to expressions).
    • \n
  • **opts: other options to use to parse the input expressions (again, in the case\nthat the input expression is a SQL string).
    • \n
\n\n
Returns:
\n\n
\n

Condition: the expression

\n
\n", "signature": "(\texpression,\tdialect=None,\tcopy=True,\t**opts) -> sqlglot.expressions.Condition:", "funcdef": "def"}, "sqlglot.expressions.and_": {"fullname": "sqlglot.expressions.and_", "modulename": "sqlglot.expressions", "qualname": "and_", "kind": "function", "doc": "

Combine multiple conditions with an AND logical operator.

\n\n
Example:
\n\n
\n
\n
>>> and_("x=1", and_("y=1", "z=1")).sql()\n'x = 1 AND (y = 1 AND z = 1)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): whether or not to copy expressions (only applies to Expressions).
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

And: the new condition

\n
\n", "signature": "(*expressions, dialect=None, copy=True, **opts) -> sqlglot.expressions.And:", "funcdef": "def"}, "sqlglot.expressions.or_": {"fullname": "sqlglot.expressions.or_", "modulename": "sqlglot.expressions", "qualname": "or_", "kind": "function", "doc": "

Combine multiple conditions with an OR logical operator.

\n\n
Example:
\n\n
\n
\n
>>> or_("x=1", or_("y=1", "z=1")).sql()\n'x = 1 OR (y = 1 OR z = 1)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • *expressions (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • copy (bool): whether or not to copy expressions (only applies to Expressions).
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Or: the new condition

\n
\n", "signature": "(*expressions, dialect=None, copy=True, **opts) -> sqlglot.expressions.Or:", "funcdef": "def"}, "sqlglot.expressions.not_": {"fullname": "sqlglot.expressions.not_", "modulename": "sqlglot.expressions", "qualname": "not_", "kind": "function", "doc": "

Wrap a condition with a NOT operator.

\n\n
Example:
\n\n
\n
\n
>>> not_("this_suit='black'").sql()\n"NOT this_suit = 'black'"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Not: the new condition

\n
\n", "signature": "(expression, dialect=None, copy=True, **opts) -> sqlglot.expressions.Not:", "funcdef": "def"}, "sqlglot.expressions.paren": {"fullname": "sqlglot.expressions.paren", "modulename": "sqlglot.expressions", "qualname": "paren", "kind": "function", "doc": "

\n", "signature": "(expression, copy=True) -> sqlglot.expressions.Paren:", "funcdef": "def"}, "sqlglot.expressions.to_identifier": {"fullname": "sqlglot.expressions.to_identifier", "modulename": "sqlglot.expressions", "qualname": "to_identifier", "kind": "function", "doc": "

Builds an identifier.

\n\n
Arguments:
\n\n
    \n
  • name: The name to turn into an identifier.
    • \n
  • quoted: Whether or not force quote the identifier.
    • \n
\n\n
Returns:
\n\n
\n

The identifier ast node.

\n
\n", "signature": "(name, quoted=None):", "funcdef": "def"}, "sqlglot.expressions.to_interval": {"fullname": "sqlglot.expressions.to_interval", "modulename": "sqlglot.expressions", "qualname": "to_interval", "kind": "function", "doc": "

Builds an interval expression from a string like '1 day' or '5 months'.

\n", "signature": "(\tinterval: str | sqlglot.expressions.Literal) -> sqlglot.expressions.Interval:", "funcdef": "def"}, "sqlglot.expressions.to_table": {"fullname": "sqlglot.expressions.to_table", "modulename": "sqlglot.expressions", "qualname": "to_table", "kind": "function", "doc": "

Create a table expression from a [catalog].[schema].[table] sql path. Catalog and schema are optional.\nIf a table is passed in then that table is returned.

\n\n
Arguments:
\n\n
    \n
  • sql_path: a [catalog].[schema].[table] string.
    • \n
\n\n
Returns:
\n\n
\n

A table expression.

\n
\n", "signature": "(\tsql_path: Union[str, sqlglot.expressions.Table, NoneType],\t**kwargs) -> Optional[sqlglot.expressions.Table]:", "funcdef": "def"}, "sqlglot.expressions.to_column": {"fullname": "sqlglot.expressions.to_column", "modulename": "sqlglot.expressions", "qualname": "to_column", "kind": "function", "doc": "

Create a column from a [table].[column] sql path. Schema is optional.

\n\n

If a column is passed in then that column is returned.

\n\n
Arguments:
\n\n
    \n
  • sql_path: [table].[column] string
    • \n
\n\n
Returns:
\n\n
\n

Table: A column expression

\n
\n", "signature": "(\tsql_path: str | sqlglot.expressions.Column,\t**kwargs) -> sqlglot.expressions.Column:", "funcdef": "def"}, "sqlglot.expressions.alias_": {"fullname": "sqlglot.expressions.alias_", "modulename": "sqlglot.expressions", "qualname": "alias_", "kind": "function", "doc": "

Create an Alias expression.

\n\n
Example:
\n\n
\n
\n
>>> alias_('foo', 'bar').sql()\n'foo AS bar'\n
\n
\n \n
\n
>>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql()\n'(SELECT 1, 2) AS bar(a, b)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • alias: the alias name to use. If the name has\nspecial characters it is quoted.
    • \n
  • table: Whether or not to create a table alias, can also be a list of columns.
    • \n
  • quoted: whether or not to quote the alias
    • \n
  • dialect: the dialect used to parse the input expression.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Alias: the aliased expression

\n
\n", "signature": "(\texpression: Union[str, sqlglot.expressions.Expression],\talias: str | sqlglot.expressions.Identifier,\ttable: Union[bool, Sequence[str | sqlglot.expressions.Identifier]] = False,\tquoted: Optional[bool] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**opts):", "funcdef": "def"}, "sqlglot.expressions.subquery": {"fullname": "sqlglot.expressions.subquery", "modulename": "sqlglot.expressions", "qualname": "subquery", "kind": "function", "doc": "

Build a subquery expression.

\n\n
Example:
\n\n
\n
\n
>>> subquery('select x from tbl', 'bar').select('x').sql()\n'SELECT x FROM (SELECT x FROM tbl) AS bar'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (str | Expression): the SQL code strings to parse.\nIf an Expression instance is passed, this is used as-is.
    • \n
  • alias (str | Expression): the alias name to use.
    • \n
  • dialect (str): the dialect used to parse the input expression.
    • \n
  • **opts: other options to use to parse the input expressions.
    • \n
\n\n
Returns:
\n\n
\n

Select: a new select with the subquery expression included

\n
\n", "signature": "(expression, alias=None, dialect=None, **opts):", "funcdef": "def"}, "sqlglot.expressions.column": {"fullname": "sqlglot.expressions.column", "modulename": "sqlglot.expressions", "qualname": "column", "kind": "function", "doc": "

Build a Column.

\n\n
Arguments:
\n\n
    \n
  • col: column name
    • \n
  • table: table name
    • \n
  • db: db name
    • \n
  • catalog: catalog name
    • \n
  • quoted: whether or not to force quote each part
    • \n
\n\n
Returns:
\n\n
\n

Column: column instance

\n
\n", "signature": "(\tcol: str | sqlglot.expressions.Identifier,\ttable: Union[str, sqlglot.expressions.Identifier, NoneType] = None,\tdb: Union[str, sqlglot.expressions.Identifier, NoneType] = None,\tcatalog: Union[str, sqlglot.expressions.Identifier, NoneType] = None,\tquoted: Optional[bool] = None) -> sqlglot.expressions.Column:", "funcdef": "def"}, "sqlglot.expressions.cast": {"fullname": "sqlglot.expressions.cast", "modulename": "sqlglot.expressions", "qualname": "cast", "kind": "function", "doc": "

Cast an expression to a data type.

\n\n
Example:
\n\n
\n
\n
>>> cast('x + 1', 'int').sql()\n'CAST(x + 1 AS INT)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: The expression to cast.
    • \n
  • to: The datatype to cast to.
    • \n
\n\n
Returns:
\n\n
\n

A cast node.

\n
\n", "signature": "(\texpression: Union[str, sqlglot.expressions.Expression],\tto: str | sqlglot.expressions.DataType | sqlglot.expressions.DataType.Type,\t**opts) -> sqlglot.expressions.Cast:", "funcdef": "def"}, "sqlglot.expressions.table_": {"fullname": "sqlglot.expressions.table_", "modulename": "sqlglot.expressions", "qualname": "table_", "kind": "function", "doc": "

Build a Table.

\n\n
Arguments:
\n\n
    \n
  • table (str | Expression): column name
    • \n
  • db (str | Expression): db name
    • \n
  • catalog (str | Expression): catalog name
    • \n
\n\n
Returns:
\n\n
\n

Table: table instance

\n
\n", "signature": "(\ttable,\tdb=None,\tcatalog=None,\tquoted=None,\talias=None) -> sqlglot.expressions.Table:", "funcdef": "def"}, "sqlglot.expressions.values": {"fullname": "sqlglot.expressions.values", "modulename": "sqlglot.expressions", "qualname": "values", "kind": "function", "doc": "

Build VALUES statement.

\n\n
Example:
\n\n
\n
\n
>>> values([(1, '2')]).sql()\n"VALUES (1, '2')"\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • values: values statements that will be converted to SQL
    • \n
  • alias: optional alias
    • \n
  • columns: Optional list of ordered column names or ordered dictionary of column names to types.\nIf either are provided then an alias is also required.
    • \n
\n\n
Returns:
\n\n
\n

Values: the Values expression object

\n
\n", "signature": "(\tvalues: Iterable[Tuple[Any, ...]],\talias: Optional[str] = None,\tcolumns: Union[Iterable[str], Dict[str, sqlglot.expressions.DataType], NoneType] = None) -> sqlglot.expressions.Values:", "funcdef": "def"}, "sqlglot.expressions.var": {"fullname": "sqlglot.expressions.var", "modulename": "sqlglot.expressions", "qualname": "var", "kind": "function", "doc": "

Build a SQL variable.

\n\n
Example:
\n\n
\n
\n
>>> repr(var('x'))\n'(VAR this: x)'\n
\n
\n \n
\n
>>> repr(var(column('x', table='y')))\n'(VAR this: x)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • name: The name of the var or an expression who's name will become the var.
    • \n
\n\n
Returns:
\n\n
\n

The new variable node.

\n
\n", "signature": "(\tname: Union[str, sqlglot.expressions.Expression, NoneType]) -> sqlglot.expressions.Var:", "funcdef": "def"}, "sqlglot.expressions.rename_table": {"fullname": "sqlglot.expressions.rename_table", "modulename": "sqlglot.expressions", "qualname": "rename_table", "kind": "function", "doc": "

Build ALTER TABLE... RENAME... expression

\n\n
Arguments:
\n\n
    \n
  • old_name: The old name of the table
    • \n
  • new_name: The new name of the table
    • \n
\n\n
Returns:
\n\n
\n

Alter table expression

\n
\n", "signature": "(\told_name: str | sqlglot.expressions.Table,\tnew_name: str | sqlglot.expressions.Table) -> sqlglot.expressions.AlterTable:", "funcdef": "def"}, "sqlglot.expressions.convert": {"fullname": "sqlglot.expressions.convert", "modulename": "sqlglot.expressions", "qualname": "convert", "kind": "function", "doc": "

Convert a python value into an expression object.

\n\n

Raises an error if a conversion is not possible.

\n\n
Arguments:
\n\n
    \n
  • value: A python object.
    • \n
  • copy: Whether or not to copy value (only applies to Expressions and collections).
    • \n
\n\n
Returns:
\n\n
\n

Expression: the equivalent expression object.

\n
\n", "signature": "(value: Any, copy: bool = False) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.expressions.replace_children": {"fullname": "sqlglot.expressions.replace_children", "modulename": "sqlglot.expressions", "qualname": "replace_children", "kind": "function", "doc": "

Replace children of an expression with the result of a lambda fun(child) -> exp.

\n", "signature": "(expression, fun, *args, **kwargs):", "funcdef": "def"}, "sqlglot.expressions.column_table_names": {"fullname": "sqlglot.expressions.column_table_names", "modulename": "sqlglot.expressions", "qualname": "column_table_names", "kind": "function", "doc": "

Return all table names referenced through columns in an expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e"))\n['c', 'a']\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to find table names
    • \n
\n\n
Returns:
\n\n
\n

list: A list of unique names

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.expressions.table_name": {"fullname": "sqlglot.expressions.table_name", "modulename": "sqlglot.expressions", "qualname": "table_name", "kind": "function", "doc": "

Get the full name of a table as a string.

\n\n
Arguments:
\n\n
    \n
  • table (exp.Table | str): table expression node or string.
    • \n
\n\n
Examples:
\n\n
\n
\n
>>> from sqlglot import exp, parse_one\n>>> table_name(parse_one("select * from a.b.c").find(exp.Table))\n'a.b.c'\n
\n
\n
\n\n
Returns:
\n\n
\n

The table name.

\n
\n", "signature": "(table) -> str:", "funcdef": "def"}, "sqlglot.expressions.replace_tables": {"fullname": "sqlglot.expressions.replace_tables", "modulename": "sqlglot.expressions", "qualname": "replace_tables", "kind": "function", "doc": "

Replace all tables in expression according to the mapping.

\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression node to be transformed and replaced.
    • \n
  • mapping (Dict[str, str]): mapping of table names.
    • \n
\n\n
Examples:
\n\n
\n
\n
>>> from sqlglot import exp, parse_one\n>>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql()\n'SELECT * FROM c'\n
\n
\n
\n\n
Returns:
\n\n
\n

The mapped expression.

\n
\n", "signature": "(expression, mapping):", "funcdef": "def"}, "sqlglot.expressions.replace_placeholders": {"fullname": "sqlglot.expressions.replace_placeholders", "modulename": "sqlglot.expressions", "qualname": "replace_placeholders", "kind": "function", "doc": "

Replace placeholders in an expression.

\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression node to be transformed and replaced.
    • \n
  • args: positional names that will substitute unnamed placeholders in the given order.
    • \n
  • kwargs: keyword arguments that will substitute named placeholders.
    • \n
\n\n
Examples:
\n\n
\n
\n
>>> from sqlglot import exp, parse_one\n>>> replace_placeholders(\n...     parse_one("select * from :tbl where ? = ?"),\n...     exp.to_identifier("str_col"), "b", tbl=exp.to_identifier("foo")\n... ).sql()\n"SELECT * FROM foo WHERE str_col = 'b'"\n
\n
\n
\n\n
Returns:
\n\n
\n

The mapped expression.

\n
\n", "signature": "(expression, *args, **kwargs):", "funcdef": "def"}, "sqlglot.expressions.expand": {"fullname": "sqlglot.expressions.expand", "modulename": "sqlglot.expressions", "qualname": "expand", "kind": "function", "doc": "

Transforms an expression by expanding all referenced sources into subqueries.

\n\n
Examples:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql()\n'SELECT * FROM (SELECT * FROM y) AS z /* source: x */'\n
\n
\n \n
\n
>>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y"), "y": parse_one("select * from z")}).sql()\n'SELECT * FROM (SELECT * FROM (SELECT * FROM z) AS y /* source: y */) AS z /* source: x */'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: The expression to expand.
    • \n
  • sources: A dictionary of name to Subqueryables.
    • \n
  • copy: Whether or not to copy the expression during transformation. Defaults to True.
    • \n
\n\n
Returns:
\n\n
\n

The transformed expression.

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression,\tsources: Dict[str, sqlglot.expressions.Subqueryable],\tcopy: bool = True) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.expressions.func": {"fullname": "sqlglot.expressions.func", "modulename": "sqlglot.expressions", "qualname": "func", "kind": "function", "doc": "

Returns a Func expression.

\n\n
Examples:
\n\n
\n
\n
>>> func("abs", 5).sql()\n'ABS(5)'\n
\n
\n \n
\n
>>> func("cast", this=5, to=DataType.build("DOUBLE")).sql()\n'CAST(5 AS DOUBLE)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • name: the name of the function to build.
    • \n
  • args: the args used to instantiate the function of interest.
    • \n
  • dialect: the source dialect.
    • \n
  • kwargs: the kwargs used to instantiate the function of interest.
    • \n
\n\n
Note:
\n\n
\n

The arguments args and kwargs are mutually exclusive.

\n
\n\n
Returns:
\n\n
\n

An instance of the function of interest, or an anonymous function, if name doesn't\n correspond to an existing sqlglot.expressions.Func class.

\n
\n", "signature": "(\tname: str,\t*args,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\t**kwargs) -> sqlglot.expressions.Func:", "funcdef": "def"}, "sqlglot.expressions.true": {"fullname": "sqlglot.expressions.true", "modulename": "sqlglot.expressions", "qualname": "true", "kind": "function", "doc": "

Returns a true Boolean expression.

\n", "signature": "():", "funcdef": "def"}, "sqlglot.expressions.false": {"fullname": "sqlglot.expressions.false", "modulename": "sqlglot.expressions", "qualname": "false", "kind": "function", "doc": "

Returns a false Boolean expression.

\n", "signature": "():", "funcdef": "def"}, "sqlglot.expressions.null": {"fullname": "sqlglot.expressions.null", "modulename": "sqlglot.expressions", "qualname": "null", "kind": "function", "doc": "

Returns a Null expression.

\n", "signature": "():", "funcdef": "def"}, "sqlglot.generator": {"fullname": "sqlglot.generator", "modulename": "sqlglot.generator", "kind": "module", "doc": "

\n"}, "sqlglot.generator.Generator": {"fullname": "sqlglot.generator.Generator", "modulename": "sqlglot.generator", "qualname": "Generator", "kind": "class", "doc": "

Generator interprets the given syntax tree and produces a SQL string as an output.

\n\n
Arguments:
\n\n
    \n
  • time_mapping (dict): the dictionary of custom time mappings in which the key\nrepresents a python time format and the output the target time format
    • \n
  • time_trie (trie): a trie of the time_mapping keys
    • \n
  • pretty (bool): if set to True the returned string will be formatted. Default: False.
    • \n
  • quote_start (str): specifies which starting character to use to delimit quotes. Default: '.
    • \n
  • quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
    • \n
  • identifier_start (str): specifies which starting character to use to delimit identifiers. Default: \".
    • \n
  • identifier_end (str): specifies which ending character to use to delimit identifiers. Default: \".
    • \n
  • identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
    • \n
  • normalize (bool): if set to True all identifiers will lower cased
    • \n
  • string_escape (str): specifies a string escape character. Default: '.
    • \n
  • identifier_escape (str): specifies an identifier escape character. Default: \".
    • \n
  • pad (int): determines padding in a formatted string. Default: 2.
    • \n
  • indent (int): determines the size of indentation in a formatted string. Default: 4.
    • \n
  • unnest_column_only (bool): if true unnest table aliases are considered only as column aliases
    • \n
  • normalize_functions (str): normalize function names, \"upper\", \"lower\", or None\nDefault: \"upper\"
    • \n
  • alias_post_tablesample (bool): if the table alias comes after tablesample\nDefault: False
    • \n
  • unsupported_level (ErrorLevel): determines the generator's behavior when it encounters\nunsupported expressions. Default ErrorLevel.WARN.
    • \n
  • null_ordering (str): Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
  • max_unsupported (int): Maximum number of unsupported messages to include in a raised UnsupportedError.\nThis is only relevant if unsupported_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • leading_comma (bool): if the the comma is leading or trailing in select statements\nDefault: False
    • \n
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode.\nThe default is on the smaller end because the length only represents a segment and not the true\nline length.\nDefault: 80
    • \n
  • comments: Whether or not to preserve comments in the output SQL code.\nDefault: True
    • \n
\n"}, "sqlglot.generator.Generator.__init__": {"fullname": "sqlglot.generator.Generator.__init__", "modulename": "sqlglot.generator", "qualname": "Generator.__init__", "kind": "function", "doc": "

\n", "signature": "(\ttime_mapping=None,\ttime_trie=None,\tpretty=None,\tquote_start=None,\tquote_end=None,\tidentifier_start=None,\tidentifier_end=None,\tidentify=False,\tnormalize=False,\tstring_escape=None,\tidentifier_escape=None,\tpad=2,\tindent=2,\tindex_offset=0,\tunnest_column_only=False,\talias_post_tablesample=False,\tnormalize_functions='upper',\tunsupported_level=<ErrorLevel.WARN: 'WARN'>,\tnull_ordering=None,\tmax_unsupported=3,\tleading_comma=False,\tmax_text_width=80,\tcomments=True)"}, "sqlglot.generator.Generator.generate": {"fullname": "sqlglot.generator.Generator.generate", "modulename": "sqlglot.generator", "qualname": "Generator.generate", "kind": "function", "doc": "

Generates a SQL string by interpreting the given syntax tree.

\n\n

Args\n expression: the syntax tree.\n cache: an optional sql string cache. this leverages the hash of an expression which is slow, so only use this if you set _hash on each node.

\n\n

Returns\n the SQL string.

\n", "signature": "(\tself,\texpression: Optional[sqlglot.expressions.Expression],\tcache: Optional[Dict[int, str]] = None) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.unsupported": {"fullname": "sqlglot.generator.Generator.unsupported", "modulename": "sqlglot.generator", "qualname": "Generator.unsupported", "kind": "function", "doc": "

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\n", "signature": "(self, expression: sqlglot.expressions.CurrentDate) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.collate_sql": {"fullname": "sqlglot.generator.Generator.collate_sql", "modulename": "sqlglot.generator", "qualname": "Generator.collate_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Collate) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.command_sql": {"fullname": "sqlglot.generator.Generator.command_sql", "modulename": "sqlglot.generator", "qualname": "Generator.command_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Command) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.comment_sql": {"fullname": "sqlglot.generator.Generator.comment_sql", "modulename": "sqlglot.generator", "qualname": "Generator.comment_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Comment) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.transaction_sql": {"fullname": "sqlglot.generator.Generator.transaction_sql", "modulename": "sqlglot.generator", "qualname": "Generator.transaction_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Transaction) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.commit_sql": {"fullname": "sqlglot.generator.Generator.commit_sql", "modulename": "sqlglot.generator", "qualname": "Generator.commit_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Commit) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.rollback_sql": {"fullname": "sqlglot.generator.Generator.rollback_sql", "modulename": "sqlglot.generator", "qualname": "Generator.rollback_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Rollback) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.altercolumn_sql": {"fullname": "sqlglot.generator.Generator.altercolumn_sql", "modulename": "sqlglot.generator", "qualname": "Generator.altercolumn_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.AlterColumn) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.renametable_sql": {"fullname": "sqlglot.generator.Generator.renametable_sql", "modulename": "sqlglot.generator", "qualname": "Generator.renametable_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.RenameTable) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.altertable_sql": {"fullname": "sqlglot.generator.Generator.altertable_sql", "modulename": "sqlglot.generator", "qualname": "Generator.altertable_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.AlterTable) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.droppartition_sql": {"fullname": "sqlglot.generator.Generator.droppartition_sql", "modulename": "sqlglot.generator", "qualname": "Generator.droppartition_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DropPartition) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.addconstraint_sql": {"fullname": "sqlglot.generator.Generator.addconstraint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.addconstraint_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.AddConstraint) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.distinct_sql": {"fullname": "sqlglot.generator.Generator.distinct_sql", "modulename": "sqlglot.generator", "qualname": "Generator.distinct_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Distinct) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.ignorenulls_sql": {"fullname": "sqlglot.generator.Generator.ignorenulls_sql", "modulename": "sqlglot.generator", "qualname": "Generator.ignorenulls_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.IgnoreNulls) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.respectnulls_sql": {"fullname": "sqlglot.generator.Generator.respectnulls_sql", "modulename": "sqlglot.generator", "qualname": "Generator.respectnulls_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.RespectNulls) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.intdiv_sql": {"fullname": "sqlglot.generator.Generator.intdiv_sql", "modulename": "sqlglot.generator", "qualname": "Generator.intdiv_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.IntDiv) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.dpipe_sql": {"fullname": "sqlglot.generator.Generator.dpipe_sql", "modulename": "sqlglot.generator", "qualname": "Generator.dpipe_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DPipe) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.div_sql": {"fullname": "sqlglot.generator.Generator.div_sql", "modulename": "sqlglot.generator", "qualname": "Generator.div_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Div) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.overlaps_sql": {"fullname": "sqlglot.generator.Generator.overlaps_sql", "modulename": "sqlglot.generator", "qualname": "Generator.overlaps_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Overlaps) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.distance_sql": {"fullname": "sqlglot.generator.Generator.distance_sql", "modulename": "sqlglot.generator", "qualname": "Generator.distance_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Distance) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.dot_sql": {"fullname": "sqlglot.generator.Generator.dot_sql", "modulename": "sqlglot.generator", "qualname": "Generator.dot_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Dot) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.eq_sql": {"fullname": "sqlglot.generator.Generator.eq_sql", "modulename": "sqlglot.generator", "qualname": "Generator.eq_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.EQ) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.escape_sql": {"fullname": "sqlglot.generator.Generator.escape_sql", "modulename": "sqlglot.generator", "qualname": "Generator.escape_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Escape) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.glob_sql": {"fullname": "sqlglot.generator.Generator.glob_sql", "modulename": "sqlglot.generator", "qualname": "Generator.glob_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Glob) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.gt_sql": {"fullname": "sqlglot.generator.Generator.gt_sql", "modulename": "sqlglot.generator", "qualname": "Generator.gt_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.GT) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.gte_sql": {"fullname": "sqlglot.generator.Generator.gte_sql", "modulename": "sqlglot.generator", "qualname": "Generator.gte_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.GTE) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.ilike_sql": {"fullname": "sqlglot.generator.Generator.ilike_sql", "modulename": "sqlglot.generator", "qualname": "Generator.ilike_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ILike) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.ilikeany_sql": {"fullname": "sqlglot.generator.Generator.ilikeany_sql", "modulename": "sqlglot.generator", "qualname": "Generator.ilikeany_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ILikeAny) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.is_sql": {"fullname": "sqlglot.generator.Generator.is_sql", "modulename": "sqlglot.generator", "qualname": "Generator.is_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Is) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.like_sql": {"fullname": "sqlglot.generator.Generator.like_sql", "modulename": "sqlglot.generator", "qualname": "Generator.like_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Like) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.likeany_sql": {"fullname": "sqlglot.generator.Generator.likeany_sql", "modulename": "sqlglot.generator", "qualname": "Generator.likeany_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.LikeAny) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.similarto_sql": {"fullname": "sqlglot.generator.Generator.similarto_sql", "modulename": "sqlglot.generator", "qualname": "Generator.similarto_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.SimilarTo) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.lt_sql": {"fullname": "sqlglot.generator.Generator.lt_sql", "modulename": "sqlglot.generator", "qualname": "Generator.lt_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.LT) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.lte_sql": {"fullname": "sqlglot.generator.Generator.lte_sql", "modulename": "sqlglot.generator", "qualname": "Generator.lte_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.LTE) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.mod_sql": {"fullname": "sqlglot.generator.Generator.mod_sql", "modulename": "sqlglot.generator", "qualname": "Generator.mod_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Mod) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.mul_sql": {"fullname": "sqlglot.generator.Generator.mul_sql", "modulename": "sqlglot.generator", "qualname": "Generator.mul_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Mul) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.neq_sql": {"fullname": "sqlglot.generator.Generator.neq_sql", "modulename": "sqlglot.generator", "qualname": "Generator.neq_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.NEQ) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.nullsafeeq_sql": {"fullname": "sqlglot.generator.Generator.nullsafeeq_sql", "modulename": "sqlglot.generator", "qualname": "Generator.nullsafeeq_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.NullSafeEQ) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.nullsafeneq_sql": {"fullname": "sqlglot.generator.Generator.nullsafeneq_sql", "modulename": "sqlglot.generator", "qualname": "Generator.nullsafeneq_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.NullSafeNEQ) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.or_sql": {"fullname": "sqlglot.generator.Generator.or_sql", "modulename": "sqlglot.generator", "qualname": "Generator.or_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Or) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.slice_sql": {"fullname": "sqlglot.generator.Generator.slice_sql", "modulename": "sqlglot.generator", "qualname": "Generator.slice_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Slice) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.sub_sql": {"fullname": "sqlglot.generator.Generator.sub_sql", "modulename": "sqlglot.generator", "qualname": "Generator.sub_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Sub) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.trycast_sql": {"fullname": "sqlglot.generator.Generator.trycast_sql", "modulename": "sqlglot.generator", "qualname": "Generator.trycast_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.TryCast) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.use_sql": {"fullname": "sqlglot.generator.Generator.use_sql", "modulename": "sqlglot.generator", "qualname": "Generator.use_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Use) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.binary": {"fullname": "sqlglot.generator.Generator.binary", "modulename": "sqlglot.generator", "qualname": "Generator.binary", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Binary, op: str) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.function_fallback_sql": {"fullname": "sqlglot.generator.Generator.function_fallback_sql", "modulename": "sqlglot.generator", "qualname": "Generator.function_fallback_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Func) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.func": {"fullname": "sqlglot.generator.Generator.func", "modulename": "sqlglot.generator", "qualname": "Generator.func", "kind": "function", "doc": "

\n", "signature": "(\tself,\tname: str,\t*args: Union[str, sqlglot.expressions.Expression, NoneType]) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.format_args": {"fullname": "sqlglot.generator.Generator.format_args", "modulename": "sqlglot.generator", "qualname": "Generator.format_args", "kind": "function", "doc": "

\n", "signature": "(self, *args: Union[str, sqlglot.expressions.Expression, NoneType]) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.text_width": {"fullname": "sqlglot.generator.Generator.text_width", "modulename": "sqlglot.generator", "qualname": "Generator.text_width", "kind": "function", "doc": "

\n", "signature": "(self, args: Iterable) -> int:", "funcdef": "def"}, "sqlglot.generator.Generator.format_time": {"fullname": "sqlglot.generator.Generator.format_time", "modulename": "sqlglot.generator", "qualname": "Generator.format_time", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Expression) -> Optional[str]:", "funcdef": "def"}, "sqlglot.generator.Generator.expressions": {"fullname": "sqlglot.generator.Generator.expressions", "modulename": "sqlglot.generator", "qualname": "Generator.expressions", "kind": "function", "doc": "

\n", "signature": "(\tself,\texpression: Optional[sqlglot.expressions.Expression] = None,\tkey: Optional[str] = None,\tsqls: Optional[List[str]] = None,\tflat: bool = False,\tindent: bool = True,\tsep: str = ', ',\tprefix: str = '') -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.op_expressions": {"fullname": "sqlglot.generator.Generator.op_expressions", "modulename": "sqlglot.generator", "qualname": "Generator.op_expressions", "kind": "function", "doc": "

\n", "signature": "(\tself,\top: str,\texpression: sqlglot.expressions.Expression,\tflat: bool = False) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.naked_property": {"fullname": "sqlglot.generator.Generator.naked_property", "modulename": "sqlglot.generator", "qualname": "Generator.naked_property", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Property) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.set_operation": {"fullname": "sqlglot.generator.Generator.set_operation", "modulename": "sqlglot.generator", "qualname": "Generator.set_operation", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Expression, op: str) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.tag_sql": {"fullname": "sqlglot.generator.Generator.tag_sql", "modulename": "sqlglot.generator", "qualname": "Generator.tag_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Tag) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.token_sql": {"fullname": "sqlglot.generator.Generator.token_sql", "modulename": "sqlglot.generator", "qualname": "Generator.token_sql", "kind": "function", "doc": "

\n", "signature": "(self, token_type: sqlglot.tokens.TokenType) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.userdefinedfunction_sql": {"fullname": "sqlglot.generator.Generator.userdefinedfunction_sql", "modulename": "sqlglot.generator", "qualname": "Generator.userdefinedfunction_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.UserDefinedFunction) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.joinhint_sql": {"fullname": "sqlglot.generator.Generator.joinhint_sql", "modulename": "sqlglot.generator", "qualname": "Generator.joinhint_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.JoinHint) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.kwarg_sql": {"fullname": "sqlglot.generator.Generator.kwarg_sql", "modulename": "sqlglot.generator", "qualname": "Generator.kwarg_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Kwarg) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.when_sql": {"fullname": "sqlglot.generator.Generator.when_sql", "modulename": "sqlglot.generator", "qualname": "Generator.when_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.When) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.merge_sql": {"fullname": "sqlglot.generator.Generator.merge_sql", "modulename": "sqlglot.generator", "qualname": "Generator.merge_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Merge) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.tochar_sql": {"fullname": "sqlglot.generator.Generator.tochar_sql", "modulename": "sqlglot.generator", "qualname": "Generator.tochar_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ToChar) -> str:", "funcdef": "def"}, "sqlglot.helper": {"fullname": "sqlglot.helper", "modulename": "sqlglot.helper", "kind": "module", "doc": "

\n"}, "sqlglot.helper.AutoName": {"fullname": "sqlglot.helper.AutoName", "modulename": "sqlglot.helper", "qualname": "AutoName", "kind": "class", "doc": "

This is used for creating enum classes where auto() is the string form of the corresponding value's name.

\n", "bases": "enum.Enum"}, "sqlglot.helper.seq_get": {"fullname": "sqlglot.helper.seq_get", "modulename": "sqlglot.helper", "qualname": "seq_get", "kind": "function", "doc": "

Returns the value in seq at position index, or None if index is out of bounds.

\n", "signature": "(seq: Sequence[~T], index: int) -> Optional[~T]:", "funcdef": "def"}, "sqlglot.helper.ensure_list": {"fullname": "sqlglot.helper.ensure_list", "modulename": "sqlglot.helper", "qualname": "ensure_list", "kind": "function", "doc": "

Ensures that a value is a list, otherwise casts or wraps it into one.

\n\n
Arguments:
\n\n
    \n
  • value: the value of interest.
    • \n
\n\n
Returns:
\n\n
\n

The value cast as a list if it's a list or a tuple, or else the value wrapped in a list.

\n
\n", "signature": "(value):", "funcdef": "def"}, "sqlglot.helper.ensure_collection": {"fullname": "sqlglot.helper.ensure_collection", "modulename": "sqlglot.helper", "qualname": "ensure_collection", "kind": "function", "doc": "

Ensures that a value is a collection (excluding str and bytes), otherwise wraps it into a list.

\n\n
Arguments:
\n\n
    \n
  • value: the value of interest.
    • \n
\n\n
Returns:
\n\n
\n

The value if it's a collection, or else the value wrapped in a list.

\n
\n", "signature": "(value):", "funcdef": "def"}, "sqlglot.helper.csv": {"fullname": "sqlglot.helper.csv", "modulename": "sqlglot.helper", "qualname": "csv", "kind": "function", "doc": "

Formats any number of string arguments as CSV.

\n\n
Arguments:
\n\n
    \n
  • args: the string arguments to format.
    • \n
  • sep: the argument separator.
    • \n
\n\n
Returns:
\n\n
\n

The arguments formatted as a CSV string.

\n
\n", "signature": "(*args, sep: str = ', ') -> str:", "funcdef": "def"}, "sqlglot.helper.subclasses": {"fullname": "sqlglot.helper.subclasses", "modulename": "sqlglot.helper", "qualname": "subclasses", "kind": "function", "doc": "

Returns all subclasses for a collection of classes, possibly excluding some of them.

\n\n
Arguments:
\n\n
    \n
  • module_name: the name of the module to search for subclasses in.
    • \n
  • classes: class(es) we want to find the subclasses of.
    • \n
  • exclude: class(es) we want to exclude from the returned list.
    • \n
\n\n
Returns:
\n\n
\n

The target subclasses.

\n
\n", "signature": "(\tmodule_name: str,\tclasses: Union[Type, Tuple[Type, ...]],\texclude: Union[Type, Tuple[Type, ...]] = ()) -> List[Type]:", "funcdef": "def"}, "sqlglot.helper.apply_index_offset": {"fullname": "sqlglot.helper.apply_index_offset", "modulename": "sqlglot.helper", "qualname": "apply_index_offset", "kind": "function", "doc": "

Applies an offset to a given integer literal expression.

\n\n
Arguments:
\n\n
    \n
  • this: the target of the index
    • \n
  • expressions: the expression the offset will be applied to, wrapped in a list.
    • \n
  • offset: the offset that will be applied.
    • \n
\n\n
Returns:
\n\n
\n

The original expression with the offset applied to it, wrapped in a list. If the provided\n expressions argument contains more than one expressions, it's returned unaffected.

\n
\n", "signature": "(\tthis: sqlglot.expressions.Expression,\texpressions: List[Optional[~E]],\toffset: int) -> List[Optional[~E]]:", "funcdef": "def"}, "sqlglot.helper.camel_to_snake_case": {"fullname": "sqlglot.helper.camel_to_snake_case", "modulename": "sqlglot.helper", "qualname": "camel_to_snake_case", "kind": "function", "doc": "

Converts name from camelCase to snake_case and returns the result.

\n", "signature": "(name: str) -> str:", "funcdef": "def"}, "sqlglot.helper.while_changing": {"fullname": "sqlglot.helper.while_changing", "modulename": "sqlglot.helper", "qualname": "while_changing", "kind": "function", "doc": "

Applies a transformation to a given expression until a fix point is reached.

\n\n
Arguments:
\n\n
    \n
  • expression: the expression to be transformed.
    • \n
  • func: the transformation to be applied.
    • \n
\n\n
Returns:
\n\n
\n

The transformed expression.

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression,\tfunc: Callable[[sqlglot.expressions.Expression], ~E]) -> ~E:", "funcdef": "def"}, "sqlglot.helper.tsort": {"fullname": "sqlglot.helper.tsort", "modulename": "sqlglot.helper", "qualname": "tsort", "kind": "function", "doc": "

Sorts a given directed acyclic graph in topological order.

\n\n
Arguments:
\n\n
    \n
  • dag: the graph to be sorted.
    • \n
\n\n
Returns:
\n\n
\n

A list that contains all of the graph's nodes in topological order.

\n
\n", "signature": "(dag: Dict[~T, List[~T]]) -> List[~T]:", "funcdef": "def"}, "sqlglot.helper.open_file": {"fullname": "sqlglot.helper.open_file", "modulename": "sqlglot.helper", "qualname": "open_file", "kind": "function", "doc": "

Open a file that may be compressed as gzip and return it in universal newline mode.

\n", "signature": "(file_name: str) -> <class 'TextIO'>:", "funcdef": "def"}, "sqlglot.helper.csv_reader": {"fullname": "sqlglot.helper.csv_reader", "modulename": "sqlglot.helper", "qualname": "csv_reader", "kind": "function", "doc": "

Returns a csv reader given the expression READ_CSV(name, ['delimiter', '|', ...]).

\n\n
Arguments:
\n\n
    \n
  • read_csv: a ReadCSV function call
    • \n
\n\n
Yields:
\n\n
\n

A python csv reader.

\n
\n", "signature": "(read_csv: sqlglot.expressions.ReadCSV) -> Any:", "funcdef": "def"}, "sqlglot.helper.find_new_name": {"fullname": "sqlglot.helper.find_new_name", "modulename": "sqlglot.helper", "qualname": "find_new_name", "kind": "function", "doc": "

Searches for a new name.

\n\n
Arguments:
\n\n
    \n
  • taken: a collection of taken names.
    • \n
  • base: base name to alter.
    • \n
\n\n
Returns:
\n\n
\n

The new, available name.

\n
\n", "signature": "(taken: Collection[str], base: str) -> str:", "funcdef": "def"}, "sqlglot.helper.object_to_dict": {"fullname": "sqlglot.helper.object_to_dict", "modulename": "sqlglot.helper", "qualname": "object_to_dict", "kind": "function", "doc": "

Returns a dictionary created from an object's attributes.

\n", "signature": "(obj: Any, **kwargs) -> Dict:", "funcdef": "def"}, "sqlglot.helper.split_num_words": {"fullname": "sqlglot.helper.split_num_words", "modulename": "sqlglot.helper", "qualname": "split_num_words", "kind": "function", "doc": "

Perform a split on a value and return N words as a result with None used for words that don't exist.

\n\n
Arguments:
\n\n
    \n
  • value: the value to be split.
    • \n
  • sep: the value to use to split on.
    • \n
  • min_num_words: the minimum number of words that are going to be in the result.
    • \n
  • fill_from_start: indicates that if None values should be inserted at the start or end of the list.
    • \n
\n\n
Examples:
\n\n
\n
\n
>>> split_num_words("db.table", ".", 3)\n[None, 'db', 'table']\n>>> split_num_words("db.table", ".", 3, fill_from_start=False)\n['db', 'table', None]\n>>> split_num_words("db.table", ".", 1)\n['db', 'table']\n
\n
\n
\n\n
Returns:
\n\n
\n

The list of words returned by split, possibly augmented by a number of None values.

\n
\n", "signature": "(\tvalue: str,\tsep: str,\tmin_num_words: int,\tfill_from_start: bool = True) -> List[Optional[str]]:", "funcdef": "def"}, "sqlglot.helper.is_iterable": {"fullname": "sqlglot.helper.is_iterable", "modulename": "sqlglot.helper", "qualname": "is_iterable", "kind": "function", "doc": "

Checks if the value is an iterable, excluding the types str and bytes.

\n\n
Examples:
\n\n
\n
\n
>>> is_iterable([1,2])\nTrue\n>>> is_iterable("test")\nFalse\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • value: the value to check if it is an iterable.
    • \n
\n\n
Returns:
\n\n
\n

A bool value indicating if it is an iterable.

\n
\n", "signature": "(value: Any) -> bool:", "funcdef": "def"}, "sqlglot.helper.flatten": {"fullname": "sqlglot.helper.flatten", "modulename": "sqlglot.helper", "qualname": "flatten", "kind": "function", "doc": "

Flattens an iterable that can contain both iterable and non-iterable elements. Objects of\ntype str and bytes are not regarded as iterables.

\n\n
Examples:
\n\n
\n
\n
>>> list(flatten([[1, 2], 3, {4}, (5, "bla")]))\n[1, 2, 3, 4, 5, 'bla']\n>>> list(flatten([1, 2, 3]))\n[1, 2, 3]\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • values: the value to be flattened.
    • \n
\n\n
Yields:
\n\n
\n

Non-iterable elements in values.

\n
\n", "signature": "(values: Iterable[Union[Iterable[Any], Any]]) -> Iterator[Any]:", "funcdef": "def"}, "sqlglot.helper.count_params": {"fullname": "sqlglot.helper.count_params", "modulename": "sqlglot.helper", "qualname": "count_params", "kind": "function", "doc": "

Returns the number of formal parameters expected by a function, without counting \"self\"\nand \"cls\", in case of instance and class methods, respectively.

\n", "signature": "(function: Callable) -> int:", "funcdef": "def"}, "sqlglot.helper.dict_depth": {"fullname": "sqlglot.helper.dict_depth", "modulename": "sqlglot.helper", "qualname": "dict_depth", "kind": "function", "doc": "

Get the nesting depth of a dictionary.

\n\n
For example:
\n\n
\n
\n
>>> dict_depth(None)\n0\n>>> dict_depth({})\n1\n>>> dict_depth({"a": "b"})\n1\n>>> dict_depth({"a": {}})\n2\n>>> dict_depth({"a": {"b": {}}})\n3\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • d (dict): dictionary
    • \n
\n\n
Returns:
\n\n
\n

int: depth

\n
\n", "signature": "(d: Dict) -> int:", "funcdef": "def"}, "sqlglot.helper.first": {"fullname": "sqlglot.helper.first", "modulename": "sqlglot.helper", "qualname": "first", "kind": "function", "doc": "

Returns the first element from an iterable.

\n\n

Useful for sets.

\n", "signature": "(it: Iterable[~T]) -> ~T:", "funcdef": "def"}, "sqlglot.helper.should_identify": {"fullname": "sqlglot.helper.should_identify", "modulename": "sqlglot.helper", "qualname": "should_identify", "kind": "function", "doc": "

Checks if text should be identified given an identify option.

\n\n
Arguments:
\n\n
    \n
  • text: the text to check.
    • \n
  • identify: \"always\" | True - always returns true, \"safe\" - true if no upper case
    • \n
\n\n
Returns:
\n\n
\n

Whether or not a string should be identified.

\n
\n", "signature": "(text: str, identify: str | bool) -> bool:", "funcdef": "def"}, "sqlglot.lineage": {"fullname": "sqlglot.lineage", "modulename": "sqlglot.lineage", "kind": "module", "doc": "

\n"}, "sqlglot.lineage.Node": {"fullname": "sqlglot.lineage.Node", "modulename": "sqlglot.lineage", "qualname": "Node", "kind": "class", "doc": "

\n"}, "sqlglot.lineage.Node.__init__": {"fullname": "sqlglot.lineage.Node.__init__", "modulename": "sqlglot.lineage", "qualname": "Node.__init__", "kind": "function", "doc": "

\n", "signature": "(\tname: str,\texpression: sqlglot.expressions.Expression,\tsource: sqlglot.expressions.Expression,\tdownstream: List[sqlglot.lineage.Node] = <factory>,\talias: str = '')"}, "sqlglot.lineage.Node.walk": {"fullname": "sqlglot.lineage.Node.walk", "modulename": "sqlglot.lineage", "qualname": "Node.walk", "kind": "function", "doc": "

\n", "signature": "(self) -> Iterator[sqlglot.lineage.Node]:", "funcdef": "def"}, "sqlglot.lineage.Node.to_html": {"fullname": "sqlglot.lineage.Node.to_html", "modulename": "sqlglot.lineage", "qualname": "Node.to_html", "kind": "function", "doc": "

\n", "signature": "(self, **opts) -> sqlglot.lineage.LineageHTML:", "funcdef": "def"}, "sqlglot.lineage.lineage": {"fullname": "sqlglot.lineage.lineage", "modulename": "sqlglot.lineage", "qualname": "lineage", "kind": "function", "doc": "

Build the lineage graph for a column of a SQL query.

\n\n
Arguments:
\n\n
    \n
  • column: The column to build the lineage for.
    • \n
  • sql: The SQL string or expression.
    • \n
  • schema: The schema of tables.
    • \n
  • sources: A mapping of queries which will be used to continue building lineage.
    • \n
  • rules: Optimizer rules to apply, by default only qualifying tables and columns.
    • \n
  • dialect: The dialect of input SQL.
    • \n
\n\n
Returns:
\n\n
\n

A lineage node.

\n
\n", "signature": "(\tcolumn: str | sqlglot.expressions.Column,\tsql: str | sqlglot.expressions.Expression,\tschema: Union[Dict, sqlglot.schema.Schema, NoneType] = None,\tsources: Optional[Dict[str, str | sqlglot.expressions.Subqueryable]] = None,\trules: Sequence[Callable] = (<function qualify_tables at 0x7fc498defd00>, <function qualify_columns at 0x7fc498deeb90>, <function expand_laterals at 0x7fc498deef80>),\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None) -> sqlglot.lineage.Node:", "funcdef": "def"}, "sqlglot.lineage.LineageHTML": {"fullname": "sqlglot.lineage.LineageHTML", "modulename": "sqlglot.lineage", "qualname": "LineageHTML", "kind": "class", "doc": "

Node to HTML generator using vis.js.

\n\n

https://visjs.github.io/vis-network/docs/network/

\n"}, "sqlglot.lineage.LineageHTML.__init__": {"fullname": "sqlglot.lineage.LineageHTML.__init__", "modulename": "sqlglot.lineage", "qualname": "LineageHTML.__init__", "kind": "function", "doc": "

\n", "signature": "(\tnode: sqlglot.lineage.Node,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\timports: bool = True,\t**opts: Any)"}, "sqlglot.optimizer": {"fullname": "sqlglot.optimizer", "modulename": "sqlglot.optimizer", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.annotate_types": {"fullname": "sqlglot.optimizer.annotate_types", "modulename": "sqlglot.optimizer.annotate_types", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.annotate_types.annotate_types": {"fullname": "sqlglot.optimizer.annotate_types.annotate_types", "modulename": "sqlglot.optimizer.annotate_types", "qualname": "annotate_types", "kind": "function", "doc": "

Recursively infer & annotate types in an expression syntax tree against a schema.\nAssumes that we've already executed the optimizer's qualify_columns step.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> schema = {"y": {"cola": "SMALLINT"}}\n>>> sql = "SELECT x.cola + 2.5 AS cola FROM (SELECT y.cola AS cola FROM y AS y) AS x"\n>>> annotated_expr = annotate_types(sqlglot.parse_one(sql), schema=schema)\n>>> annotated_expr.expressions[0].type.this  # Get the type of "x.cola + 2.5 AS cola"\n<Type.DOUBLE: 'DOUBLE'>\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): Expression to annotate.
    • \n
  • schema (dict|sqlglot.optimizer.Schema): Database schema.
    • \n
  • annotators (dict): Maps expression type to corresponding annotation function.
    • \n
  • coerces_to (dict): Maps expression type to set of types that it can be coerced into.
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: expression annotated with types

\n
\n", "signature": "(expression, schema=None, annotators=None, coerces_to=None):", "funcdef": "def"}, "sqlglot.optimizer.annotate_types.TypeAnnotator": {"fullname": "sqlglot.optimizer.annotate_types.TypeAnnotator", "modulename": "sqlglot.optimizer.annotate_types", "qualname": "TypeAnnotator", "kind": "class", "doc": "

\n"}, "sqlglot.optimizer.annotate_types.TypeAnnotator.__init__": {"fullname": "sqlglot.optimizer.annotate_types.TypeAnnotator.__init__", "modulename": "sqlglot.optimizer.annotate_types", "qualname": "TypeAnnotator.__init__", "kind": "function", "doc": "

\n", "signature": "(schema=None, annotators=None, coerces_to=None)"}, "sqlglot.optimizer.annotate_types.TypeAnnotator.annotate": {"fullname": "sqlglot.optimizer.annotate_types.TypeAnnotator.annotate", "modulename": "sqlglot.optimizer.annotate_types", "qualname": "TypeAnnotator.annotate", "kind": "function", "doc": "

\n", "signature": "(self, expression):", "funcdef": "def"}, "sqlglot.optimizer.canonicalize": {"fullname": "sqlglot.optimizer.canonicalize", "modulename": "sqlglot.optimizer.canonicalize", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.canonicalize.canonicalize": {"fullname": "sqlglot.optimizer.canonicalize.canonicalize", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "canonicalize", "kind": "function", "doc": "

Converts a sql expression into a standard form.

\n\n

This method relies on annotate_types because many of the\nconversions rely on type inference.

\n\n
Arguments:
\n\n
    \n
  • expression: The expression to canonicalize.
    • \n
  • identify: Whether or not to force identify identifier.
    • \n
\n", "signature": "(\texpression: sqlglot.expressions.Expression,\tidentify: str = 'safe') -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.canonicalize.add_text_to_concat": {"fullname": "sqlglot.optimizer.canonicalize.add_text_to_concat", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "add_text_to_concat", "kind": "function", "doc": "

\n", "signature": "(node: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.canonicalize.coerce_type": {"fullname": "sqlglot.optimizer.canonicalize.coerce_type", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "coerce_type", "kind": "function", "doc": "

\n", "signature": "(node: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.canonicalize.remove_redundant_casts": {"fullname": "sqlglot.optimizer.canonicalize.remove_redundant_casts", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "remove_redundant_casts", "kind": "function", "doc": "

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.canonicalize.ensure_bool_predicates": {"fullname": "sqlglot.optimizer.canonicalize.ensure_bool_predicates", "modulename": "sqlglot.optimizer.canonicalize", "qualname": "ensure_bool_predicates", "kind": "function", "doc": "

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.eliminate_ctes": {"fullname": "sqlglot.optimizer.eliminate_ctes", "modulename": "sqlglot.optimizer.eliminate_ctes", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.eliminate_ctes.eliminate_ctes": {"fullname": "sqlglot.optimizer.eliminate_ctes.eliminate_ctes", "modulename": "sqlglot.optimizer.eliminate_ctes", "qualname": "eliminate_ctes", "kind": "function", "doc": "

Remove unused CTEs from an expression.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "WITH y AS (SELECT a FROM x) SELECT a FROM z"\n>>> expression = sqlglot.parse_one(sql)\n>>> eliminate_ctes(expression).sql()\n'SELECT a FROM z'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.eliminate_joins": {"fullname": "sqlglot.optimizer.eliminate_joins", "modulename": "sqlglot.optimizer.eliminate_joins", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.eliminate_joins.eliminate_joins": {"fullname": "sqlglot.optimizer.eliminate_joins.eliminate_joins", "modulename": "sqlglot.optimizer.eliminate_joins", "qualname": "eliminate_joins", "kind": "function", "doc": "

Remove unused joins from an expression.

\n\n

This only removes joins when we know that the join condition doesn't produce duplicate rows.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "SELECT x.a FROM x LEFT JOIN (SELECT DISTINCT y.b FROM y) AS y ON x.b = y.b"\n>>> expression = sqlglot.parse_one(sql)\n>>> eliminate_joins(expression).sql()\n'SELECT x.a FROM x'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.eliminate_joins.join_condition": {"fullname": "sqlglot.optimizer.eliminate_joins.join_condition", "modulename": "sqlglot.optimizer.eliminate_joins", "qualname": "join_condition", "kind": "function", "doc": "

Extract the join condition from a join expression.

\n\n
Arguments:
\n\n
    \n
  • join (exp.Join)
    • \n
\n\n
Returns:
\n\n
\n

tuple[list[str], list[str], exp.Expression]:\n Tuple of (source key, join key, remaining predicate)

\n
\n", "signature": "(join):", "funcdef": "def"}, "sqlglot.optimizer.eliminate_subqueries": {"fullname": "sqlglot.optimizer.eliminate_subqueries", "modulename": "sqlglot.optimizer.eliminate_subqueries", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.eliminate_subqueries.eliminate_subqueries": {"fullname": "sqlglot.optimizer.eliminate_subqueries.eliminate_subqueries", "modulename": "sqlglot.optimizer.eliminate_subqueries", "qualname": "eliminate_subqueries", "kind": "function", "doc": "

Rewrite derived tables as CTES, deduplicating if possible.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT a FROM (SELECT * FROM x) AS y")\n>>> eliminate_subqueries(expression).sql()\n'WITH y AS (SELECT * FROM x) SELECT a FROM y AS y'\n
\n
\n
\n\n
This also deduplicates common subqueries:
\n\n
\n
\n
>>> expression = sqlglot.parse_one("SELECT a FROM (SELECT * FROM x) AS y JOIN (SELECT * FROM x) AS z")\n>>> eliminate_subqueries(expression).sql()\n'WITH y AS (SELECT * FROM x) SELECT a FROM y AS y JOIN y AS z'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.expand_laterals": {"fullname": "sqlglot.optimizer.expand_laterals", "modulename": "sqlglot.optimizer.expand_laterals", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.expand_laterals.expand_laterals": {"fullname": "sqlglot.optimizer.expand_laterals.expand_laterals", "modulename": "sqlglot.optimizer.expand_laterals", "qualname": "expand_laterals", "kind": "function", "doc": "

Expand lateral column alias references.

\n\n

This assumes qualify_columns as already run.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "SELECT x.a + 1 AS b, b + 1 AS c FROM x"\n>>> expression = sqlglot.parse_one(sql)\n>>> expand_laterals(expression).sql()\n'SELECT x.a + 1 AS b, x.a + 1 + 1 AS c FROM x'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: expression to optimize
    • \n
\n\n
Returns:
\n\n
\n

optimized expression

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.expand_multi_table_selects": {"fullname": "sqlglot.optimizer.expand_multi_table_selects", "modulename": "sqlglot.optimizer.expand_multi_table_selects", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.expand_multi_table_selects.expand_multi_table_selects": {"fullname": "sqlglot.optimizer.expand_multi_table_selects.expand_multi_table_selects", "modulename": "sqlglot.optimizer.expand_multi_table_selects", "qualname": "expand_multi_table_selects", "kind": "function", "doc": "

Replace multiple FROM expressions with JOINs.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> expand_multi_table_selects(parse_one("SELECT * FROM x, y")).sql()\n'SELECT * FROM x CROSS JOIN y'\n
\n
\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.isolate_table_selects": {"fullname": "sqlglot.optimizer.isolate_table_selects", "modulename": "sqlglot.optimizer.isolate_table_selects", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.isolate_table_selects.isolate_table_selects": {"fullname": "sqlglot.optimizer.isolate_table_selects.isolate_table_selects", "modulename": "sqlglot.optimizer.isolate_table_selects", "qualname": "isolate_table_selects", "kind": "function", "doc": "

\n", "signature": "(expression, schema=None):", "funcdef": "def"}, "sqlglot.optimizer.lower_identities": {"fullname": "sqlglot.optimizer.lower_identities", "modulename": "sqlglot.optimizer.lower_identities", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.lower_identities.lower_identities": {"fullname": "sqlglot.optimizer.lower_identities.lower_identities", "modulename": "sqlglot.optimizer.lower_identities", "qualname": "lower_identities", "kind": "function", "doc": "

Convert all unquoted identifiers to lower case.

\n\n

Assuming the schema is all lower case, this essentially makes identifiers case-insensitive.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one('SELECT Bar.A AS A FROM "Foo".Bar')\n>>> lower_identities(expression).sql()\n'SELECT bar.a AS A FROM "Foo".bar'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to quote
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: quoted expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.merge_subqueries": {"fullname": "sqlglot.optimizer.merge_subqueries", "modulename": "sqlglot.optimizer.merge_subqueries", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.merge_subqueries.merge_subqueries": {"fullname": "sqlglot.optimizer.merge_subqueries.merge_subqueries", "modulename": "sqlglot.optimizer.merge_subqueries", "qualname": "merge_subqueries", "kind": "function", "doc": "

Rewrite sqlglot AST to merge derived tables into the outer query.

\n\n

This also merges CTEs if they are selected from only once.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT a FROM (SELECT x.a FROM x) JOIN y")\n>>> merge_subqueries(expression).sql()\n'SELECT x.a FROM x JOIN y'\n
\n
\n
\n\n

If leave_tables_isolated is True, this will not merge inner queries into outer\nqueries if it would result in multiple table selects in a single query:

\n\n
\n
\n
\n

expression = sqlglot.parse_one(\"SELECT a FROM (SELECT x.a FROM x) JOIN y\")\n merge_subqueries(expression, leave_tables_isolated=True).sql()\n 'SELECT a FROM (SELECT x.a FROM x) JOIN y'

\n
\n
\n
\n\n

Inspired by https://dev.mysql.com/doc/refman/8.0/en/derived-table-optimization.html

\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
  • leave_tables_isolated (bool):
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression, leave_tables_isolated=False):", "funcdef": "def"}, "sqlglot.optimizer.merge_subqueries.merge_ctes": {"fullname": "sqlglot.optimizer.merge_subqueries.merge_ctes", "modulename": "sqlglot.optimizer.merge_subqueries", "qualname": "merge_ctes", "kind": "function", "doc": "

\n", "signature": "(expression, leave_tables_isolated=False):", "funcdef": "def"}, "sqlglot.optimizer.merge_subqueries.merge_derived_tables": {"fullname": "sqlglot.optimizer.merge_subqueries.merge_derived_tables", "modulename": "sqlglot.optimizer.merge_subqueries", "qualname": "merge_derived_tables", "kind": "function", "doc": "

\n", "signature": "(expression, leave_tables_isolated=False):", "funcdef": "def"}, "sqlglot.optimizer.normalize": {"fullname": "sqlglot.optimizer.normalize", "modulename": "sqlglot.optimizer.normalize", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.normalize.normalize": {"fullname": "sqlglot.optimizer.normalize.normalize", "modulename": "sqlglot.optimizer.normalize", "qualname": "normalize", "kind": "function", "doc": "

Rewrite sqlglot AST into conjunctive normal form or disjunctive normal form.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("(x AND y) OR z")\n>>> normalize(expression, dnf=False).sql()\n'(x OR z) AND (y OR z)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: expression to normalize
    • \n
  • dnf: rewrite in disjunctive normal form instead.
    • \n
  • max_distance (int): the maximal estimated distance from cnf/dnf to attempt conversion
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: normalized expression

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression,\tdnf: bool = False,\tmax_distance: int = 128):", "funcdef": "def"}, "sqlglot.optimizer.normalize.normalized": {"fullname": "sqlglot.optimizer.normalize.normalized", "modulename": "sqlglot.optimizer.normalize", "qualname": "normalized", "kind": "function", "doc": "

\n", "signature": "(expression, dnf=False):", "funcdef": "def"}, "sqlglot.optimizer.normalize.normalization_distance": {"fullname": "sqlglot.optimizer.normalize.normalization_distance", "modulename": "sqlglot.optimizer.normalize", "qualname": "normalization_distance", "kind": "function", "doc": "

The difference in the number of predicates between the current expression and the normalized form.

\n\n

This is used as an estimate of the cost of the conversion which is exponential in complexity.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("(a AND b) OR (c AND d)")\n>>> normalization_distance(expression)\n4\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to compute distance
    • \n
  • dnf (bool): compute to dnf distance instead
    • \n
\n\n
Returns:
\n\n
\n

int: difference

\n
\n", "signature": "(expression, dnf=False):", "funcdef": "def"}, "sqlglot.optimizer.normalize.distributive_law": {"fullname": "sqlglot.optimizer.normalize.distributive_law", "modulename": "sqlglot.optimizer.normalize", "qualname": "distributive_law", "kind": "function", "doc": "

x OR (y AND z) -> (x OR y) AND (x OR z)\n(x AND y) OR (y AND z) -> (x OR y) AND (x OR z) AND (y OR y) AND (y OR z)

\n", "signature": "(expression, dnf, max_distance, cache=None):", "funcdef": "def"}, "sqlglot.optimizer.optimize_joins": {"fullname": "sqlglot.optimizer.optimize_joins", "modulename": "sqlglot.optimizer.optimize_joins", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.optimize_joins.optimize_joins": {"fullname": "sqlglot.optimizer.optimize_joins.optimize_joins", "modulename": "sqlglot.optimizer.optimize_joins", "qualname": "optimize_joins", "kind": "function", "doc": "

Removes cross joins if possible and reorder joins based on predicate dependencies.

\n\n
Example:
\n\n
\n
\n
>>> from sqlglot import parse_one\n>>> optimize_joins(parse_one("SELECT * FROM x CROSS JOIN y JOIN z ON x.a = z.a AND y.a = z.a")).sql()\n'SELECT * FROM x JOIN z ON x.a = z.a AND TRUE JOIN y ON y.a = z.a'\n
\n
\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.optimize_joins.reorder_joins": {"fullname": "sqlglot.optimizer.optimize_joins.reorder_joins", "modulename": "sqlglot.optimizer.optimize_joins", "qualname": "reorder_joins", "kind": "function", "doc": "

Reorder joins by topological sort order based on predicate references.

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.optimize_joins.normalize": {"fullname": "sqlglot.optimizer.optimize_joins.normalize", "modulename": "sqlglot.optimizer.optimize_joins", "qualname": "normalize", "kind": "function", "doc": "

Remove INNER and OUTER from joins as they are optional.

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.optimize_joins.other_table_names": {"fullname": "sqlglot.optimizer.optimize_joins.other_table_names", "modulename": "sqlglot.optimizer.optimize_joins", "qualname": "other_table_names", "kind": "function", "doc": "

\n", "signature": "(join, exclude):", "funcdef": "def"}, "sqlglot.optimizer.optimizer": {"fullname": "sqlglot.optimizer.optimizer", "modulename": "sqlglot.optimizer.optimizer", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.optimizer.optimize": {"fullname": "sqlglot.optimizer.optimizer.optimize", "modulename": "sqlglot.optimizer.optimizer", "qualname": "optimize", "kind": "function", "doc": "

Rewrite a sqlglot AST into an optimized form.

\n\n
Arguments:
\n\n
    \n
  • expression: expression to optimize
    • \n
  • schema: database schema.\nThis can either be an instance of sqlglot.optimizer.Schema or a mapping in one of\nthe following forms:\n 1. {table: {col: type}}\n 2. {db: {table: {col: type}}}\n 3. {catalog: {db: {table: {col: type}}}}\nIf no schema is provided then the default schema defined at sqlgot.schema will be used
    • \n
  • db: specify the default database, as might be set by a USE DATABASE db statement
    • \n
  • catalog: specify the default catalog, as might be set by a USE CATALOG c statement
    • \n
  • dialect: The dialect to parse the sql string.
    • \n
  • rules: sequence of optimizer rules to use.\nMany of the rules require tables and columns to be qualified.\nDo not remove qualify_tables or qualify_columns from the sequence of rules unless you know\nwhat you're doing!
    • \n
  • *kwargs: If a rule has a keyword argument with a same name in *kwargs, it will be passed in.
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(\texpression: str | sqlglot.expressions.Expression,\tschema: Union[dict, sqlglot.schema.Schema, NoneType] = None,\tdb: Optional[str] = None,\tcatalog: Optional[str] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,\trules: Sequence[Callable] = (<function lower_identities at 0x7fc498ded5a0>, <function qualify_tables at 0x7fc498defd00>, <function isolate_table_selects at 0x7fc498ded480>, <function qualify_columns at 0x7fc498deeb90>, <function pushdown_projections at 0x7fc498def6d0>, <function validate_qualify_columns at 0x7fc498def010>, <function normalize at 0x7fc498dc71c0>, <function unnest_subqueries at 0x7fc498defe20>, <function expand_multi_table_selects at 0x7fc498ded3f0>, <function pushdown_predicates at 0x7fc498dee710>, <function optimize_joins at 0x7fc498dee320>, <function eliminate_subqueries at 0x7fc498ded000>, <function merge_subqueries at 0x7fc498ded870>, <function eliminate_joins at 0x7fc498dc6f80>, <function eliminate_ctes at 0x7fc498dc6e60>, <function annotate_types at 0x7fc498d935b0>, <function canonicalize at 0x7fc498dc68c0>, <function simplify at 0x7fc498dc7370>),\t**kwargs):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates": {"fullname": "sqlglot.optimizer.pushdown_predicates", "modulename": "sqlglot.optimizer.pushdown_predicates", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.pushdown_predicates.pushdown_predicates": {"fullname": "sqlglot.optimizer.pushdown_predicates.pushdown_predicates", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "pushdown_predicates", "kind": "function", "doc": "

Rewrite sqlglot AST to pushdown predicates in FROMS and JOINS

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "SELECT * FROM (SELECT * FROM x AS x) AS y WHERE y.a = 1"\n>>> expression = sqlglot.parse_one(sql)\n>>> pushdown_predicates(expression).sql()\n'SELECT * FROM (SELECT * FROM x AS x WHERE y.a = 1) AS y WHERE TRUE'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.pushdown": {"fullname": "sqlglot.optimizer.pushdown_predicates.pushdown", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "pushdown", "kind": "function", "doc": "

\n", "signature": "(condition, sources, scope_ref_count):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.pushdown_cnf": {"fullname": "sqlglot.optimizer.pushdown_predicates.pushdown_cnf", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "pushdown_cnf", "kind": "function", "doc": "

If the predicates are in CNF like form, we can simply replace each block in the parent.

\n", "signature": "(predicates, scope, scope_ref_count):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.pushdown_dnf": {"fullname": "sqlglot.optimizer.pushdown_predicates.pushdown_dnf", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "pushdown_dnf", "kind": "function", "doc": "

If the predicates are in DNF form, we can only push down conditions that are in all blocks.\nAdditionally, we can't remove predicates from their original form.

\n", "signature": "(predicates, scope, scope_ref_count):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.nodes_for_predicate": {"fullname": "sqlglot.optimizer.pushdown_predicates.nodes_for_predicate", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "nodes_for_predicate", "kind": "function", "doc": "

\n", "signature": "(predicate, sources, scope_ref_count):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_predicates.replace_aliases": {"fullname": "sqlglot.optimizer.pushdown_predicates.replace_aliases", "modulename": "sqlglot.optimizer.pushdown_predicates", "qualname": "replace_aliases", "kind": "function", "doc": "

\n", "signature": "(source, predicate):", "funcdef": "def"}, "sqlglot.optimizer.pushdown_projections": {"fullname": "sqlglot.optimizer.pushdown_projections", "modulename": "sqlglot.optimizer.pushdown_projections", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.pushdown_projections.DEFAULT_SELECTION": {"fullname": "sqlglot.optimizer.pushdown_projections.DEFAULT_SELECTION", "modulename": "sqlglot.optimizer.pushdown_projections", "qualname": "DEFAULT_SELECTION", "kind": "function", "doc": "

\n", "signature": "():", "funcdef": "def"}, "sqlglot.optimizer.pushdown_projections.pushdown_projections": {"fullname": "sqlglot.optimizer.pushdown_projections.pushdown_projections", "modulename": "sqlglot.optimizer.pushdown_projections", "qualname": "pushdown_projections", "kind": "function", "doc": "

Rewrite sqlglot AST to remove unused columns projections.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sql = "SELECT y.a AS a FROM (SELECT x.a AS a, x.b AS b FROM x) AS y"\n>>> expression = sqlglot.parse_one(sql)\n>>> pushdown_projections(expression).sql()\n'SELECT y.a AS a FROM (SELECT x.a AS a FROM x) AS y'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to optimize
    • \n
  • remove_unused_selections (bool): remove selects that are unused
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression, schema=None, remove_unused_selections=True):", "funcdef": "def"}, "sqlglot.optimizer.qualify_columns": {"fullname": "sqlglot.optimizer.qualify_columns", "modulename": "sqlglot.optimizer.qualify_columns", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.qualify_columns.qualify_columns": {"fullname": "sqlglot.optimizer.qualify_columns.qualify_columns", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "qualify_columns", "kind": "function", "doc": "

Rewrite sqlglot AST to have fully qualified columns.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> schema = {"tbl": {"col": "INT"}}\n>>> expression = sqlglot.parse_one("SELECT col FROM tbl")\n>>> qualify_columns(expression, schema).sql()\n'SELECT tbl.col AS col FROM tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to qualify
    • \n
  • schema (dict|sqlglot.optimizer.Schema): Database schema
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: qualified expression

\n
\n", "signature": "(expression, schema, expand_laterals=True):", "funcdef": "def"}, "sqlglot.optimizer.qualify_columns.validate_qualify_columns": {"fullname": "sqlglot.optimizer.qualify_columns.validate_qualify_columns", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "validate_qualify_columns", "kind": "function", "doc": "

Raise an OptimizeError if any columns aren't qualified

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.qualify_columns.Resolver": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver", "kind": "class", "doc": "

Helper for resolving columns.

\n\n

This is a class so we can lazily load some things and easily share them across functions.

\n"}, "sqlglot.optimizer.qualify_columns.Resolver.__init__": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver.__init__", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver.__init__", "kind": "function", "doc": "

\n", "signature": "(scope, schema)"}, "sqlglot.optimizer.qualify_columns.Resolver.get_table": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver.get_table", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver.get_table", "kind": "function", "doc": "

Get the table for a column name.

\n\n
Arguments:
\n\n
    \n
  • column_name: The column name to find the table for.
    • \n
\n\n
Returns:
\n\n
\n

The table name if it can be found/inferred.

\n
\n", "signature": "(self, column_name: str) -> Optional[sqlglot.expressions.Identifier]:", "funcdef": "def"}, "sqlglot.optimizer.qualify_columns.Resolver.all_columns": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver.all_columns", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver.all_columns", "kind": "variable", "doc": "

All available columns of all sources in this scope

\n"}, "sqlglot.optimizer.qualify_columns.Resolver.get_source_columns": {"fullname": "sqlglot.optimizer.qualify_columns.Resolver.get_source_columns", "modulename": "sqlglot.optimizer.qualify_columns", "qualname": "Resolver.get_source_columns", "kind": "function", "doc": "

Resolve the source columns for a given source name

\n", "signature": "(self, name, only_visible=False):", "funcdef": "def"}, "sqlglot.optimizer.qualify_tables": {"fullname": "sqlglot.optimizer.qualify_tables", "modulename": "sqlglot.optimizer.qualify_tables", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.qualify_tables.qualify_tables": {"fullname": "sqlglot.optimizer.qualify_tables.qualify_tables", "modulename": "sqlglot.optimizer.qualify_tables", "qualname": "qualify_tables", "kind": "function", "doc": "

Rewrite sqlglot AST to have fully qualified tables.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT 1 FROM tbl")\n>>> qualify_tables(expression, db="db").sql()\n'SELECT 1 FROM db.tbl AS tbl'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to qualify
    • \n
  • db (str): Database name
    • \n
  • catalog (str): Catalog name
    • \n
  • schema: A schema to populate
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: qualified expression

\n
\n", "signature": "(expression, db=None, catalog=None, schema=None):", "funcdef": "def"}, "sqlglot.optimizer.scope": {"fullname": "sqlglot.optimizer.scope", "modulename": "sqlglot.optimizer.scope", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.scope.ScopeType": {"fullname": "sqlglot.optimizer.scope.ScopeType", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType", "kind": "class", "doc": "

An enumeration.

\n", "bases": "enum.Enum"}, "sqlglot.optimizer.scope.ScopeType.ROOT": {"fullname": "sqlglot.optimizer.scope.ScopeType.ROOT", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.ROOT", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.ROOT: 1>"}, "sqlglot.optimizer.scope.ScopeType.SUBQUERY": {"fullname": "sqlglot.optimizer.scope.ScopeType.SUBQUERY", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.SUBQUERY", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.SUBQUERY: 2>"}, "sqlglot.optimizer.scope.ScopeType.DERIVED_TABLE": {"fullname": "sqlglot.optimizer.scope.ScopeType.DERIVED_TABLE", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.DERIVED_TABLE", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.DERIVED_TABLE: 3>"}, "sqlglot.optimizer.scope.ScopeType.CTE": {"fullname": "sqlglot.optimizer.scope.ScopeType.CTE", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.CTE", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.CTE: 4>"}, "sqlglot.optimizer.scope.ScopeType.UNION": {"fullname": "sqlglot.optimizer.scope.ScopeType.UNION", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.UNION", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.UNION: 5>"}, "sqlglot.optimizer.scope.ScopeType.UDTF": {"fullname": "sqlglot.optimizer.scope.ScopeType.UDTF", "modulename": "sqlglot.optimizer.scope", "qualname": "ScopeType.UDTF", "kind": "variable", "doc": "

\n", "default_value": "<ScopeType.UDTF: 6>"}, "sqlglot.optimizer.scope.Scope": {"fullname": "sqlglot.optimizer.scope.Scope", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope", "kind": "class", "doc": "

Selection scope.

\n\n
Attributes:
\n\n
    \n
  • expression (exp.Select|exp.Union): Root expression of this scope
    • \n
  • sources (dict[str, exp.Table|Scope]): Mapping of source name to either\na Table expression or another Scope instance. For example:\n SELECT * FROM x {\"x\": Table(this=\"x\")}\n SELECT * FROM x AS y {\"y\": Table(this=\"x\")}\n SELECT * FROM (SELECT ...) AS y {\"y\": Scope(...)}
    • \n
  • lateral_sources (dict[str, exp.Table|Scope]): Sources from laterals\nFor example:\n SELECT c FROM x LATERAL VIEW EXPLODE (a) AS c;\nThe LATERAL VIEW EXPLODE gets x as a source.
    • \n
  • outer_column_list (list[str]): If this is a derived table or CTE, and the outer query\ndefines a column list of it's alias of this scope, this is that list of columns.\nFor example:\n SELECT * FROM (SELECT ...) AS y(col1, col2)\nThe inner query would have [\"col1\", \"col2\"] for its outer_column_list
    • \n
  • parent (Scope): Parent scope
    • \n
  • scope_type (ScopeType): Type of this scope, relative to it's parent
    • \n
  • subquery_scopes (list[Scope]): List of all child scopes for subqueries
    • \n
  • cte_scopes (list[Scope]): List of all child scopes for CTEs
    • \n
  • derived_table_scopes (list[Scope]): List of all child scopes for derived_tables
    • \n
  • udtf_scopes (list[Scope]): List of all child scopes for user defined tabular functions
    • \n
  • table_scopes (list[Scope]): derived_table_scopes + udtf_scopes, in the order that they're defined
    • \n
  • union_scopes (list[Scope, Scope]): If this Scope is for a Union expression, this will be\na list of the left and right child scopes.
    • \n
\n"}, "sqlglot.optimizer.scope.Scope.__init__": {"fullname": "sqlglot.optimizer.scope.Scope.__init__", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.__init__", "kind": "function", "doc": "

\n", "signature": "(\texpression,\tsources=None,\touter_column_list=None,\tparent=None,\tscope_type=<ScopeType.ROOT: 1>,\tlateral_sources=None)"}, "sqlglot.optimizer.scope.Scope.clear_cache": {"fullname": "sqlglot.optimizer.scope.Scope.clear_cache", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.clear_cache", "kind": "function", "doc": "

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.branch": {"fullname": "sqlglot.optimizer.scope.Scope.branch", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.branch", "kind": "function", "doc": "

Branch from the current scope to a new, inner scope

\n", "signature": "(self, expression, scope_type, chain_sources=None, **kwargs):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.walk": {"fullname": "sqlglot.optimizer.scope.Scope.walk", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.walk", "kind": "function", "doc": "

\n", "signature": "(self, bfs=True):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.find": {"fullname": "sqlglot.optimizer.scope.Scope.find", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.find", "kind": "function", "doc": "

Returns the first node in this scope which matches at least one of the specified types.

\n\n

This does NOT traverse into subscopes.

\n\n
Arguments:
\n\n
    \n
  • expression_types (type): the expression type(s) to match.
    • \n
  • bfs (bool): True to use breadth-first search, False to use depth-first.
    • \n
\n\n
Returns:
\n\n
\n

exp.Expression: the node which matches the criteria or None if no node matching\n the criteria was found.

\n
\n", "signature": "(self, *expression_types, bfs=True):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.find_all": {"fullname": "sqlglot.optimizer.scope.Scope.find_all", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.find_all", "kind": "function", "doc": "

Returns a generator object which visits all nodes in this scope and only yields those that\nmatch at least one of the specified expression types.

\n\n

This does NOT traverse into subscopes.

\n\n
Arguments:
\n\n
    \n
  • expression_types (type): the expression type(s) to match.
    • \n
  • bfs (bool): True to use breadth-first search, False to use depth-first.
    • \n
\n\n
Yields:
\n\n
\n

exp.Expression: nodes

\n
\n", "signature": "(self, *expression_types, bfs=True):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.replace": {"fullname": "sqlglot.optimizer.scope.Scope.replace", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.replace", "kind": "function", "doc": "

Replace old with new.

\n\n

This can be used instead of exp.Expression.replace to ensure the Scope is kept up-to-date.

\n\n
Arguments:
\n\n
    \n
  • old (exp.Expression): old node
    • \n
  • new (exp.Expression): new node
    • \n
\n", "signature": "(self, old, new):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.tables": {"fullname": "sqlglot.optimizer.scope.Scope.tables", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.tables", "kind": "variable", "doc": "

List of tables in this scope.

\n\n
Returns:
\n\n
\n

list[exp.Table]: tables

\n
\n"}, "sqlglot.optimizer.scope.Scope.ctes": {"fullname": "sqlglot.optimizer.scope.Scope.ctes", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.ctes", "kind": "variable", "doc": "

List of CTEs in this scope.

\n\n
Returns:
\n\n
\n

list[exp.CTE]: ctes

\n
\n"}, "sqlglot.optimizer.scope.Scope.derived_tables": {"fullname": "sqlglot.optimizer.scope.Scope.derived_tables", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.derived_tables", "kind": "variable", "doc": "

List of derived tables in this scope.

\n\n
For example:
\n\n
\n

SELECT * FROM (SELECT ...) <- that's a derived table

\n
\n\n
Returns:
\n\n
\n

list[exp.Subquery]: derived tables

\n
\n"}, "sqlglot.optimizer.scope.Scope.udtfs": {"fullname": "sqlglot.optimizer.scope.Scope.udtfs", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.udtfs", "kind": "variable", "doc": "

List of \"User Defined Tabular Functions\" in this scope.

\n\n
Returns:
\n\n
\n

list[exp.UDTF]: UDTFs

\n
\n"}, "sqlglot.optimizer.scope.Scope.subqueries": {"fullname": "sqlglot.optimizer.scope.Scope.subqueries", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.subqueries", "kind": "variable", "doc": "

List of subqueries in this scope.

\n\n
For example:
\n\n
\n

SELECT * FROM x WHERE a IN (SELECT ...) <- that's a subquery

\n
\n\n
Returns:
\n\n
\n

list[exp.Subqueryable]: subqueries

\n
\n"}, "sqlglot.optimizer.scope.Scope.columns": {"fullname": "sqlglot.optimizer.scope.Scope.columns", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.columns", "kind": "variable", "doc": "

List of columns in this scope.

\n\n
Returns:
\n\n
\n

list[exp.Column]: Column instances in this scope, plus any\n Columns that reference this scope from correlated subqueries.

\n
\n"}, "sqlglot.optimizer.scope.Scope.selected_sources": {"fullname": "sqlglot.optimizer.scope.Scope.selected_sources", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.selected_sources", "kind": "variable", "doc": "

Mapping of nodes and sources that are actually selected from in this scope.

\n\n

That is, all tables in a schema are selectable at any point. But a\ntable only becomes a selected source if it's included in a FROM or JOIN clause.

\n\n
Returns:
\n\n
\n

dict[str, (exp.Table|exp.Select, exp.Table|Scope)]: selected sources and nodes

\n
\n"}, "sqlglot.optimizer.scope.Scope.cte_sources": {"fullname": "sqlglot.optimizer.scope.Scope.cte_sources", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.cte_sources", "kind": "variable", "doc": "

Sources that are CTEs.

\n\n
Returns:
\n\n
\n

dict[str, Scope]: Mapping of source alias to Scope

\n
\n"}, "sqlglot.optimizer.scope.Scope.selects": {"fullname": "sqlglot.optimizer.scope.Scope.selects", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.selects", "kind": "variable", "doc": "

Select expressions of this scope.

\n\n

For example, for the following expression:\n SELECT 1 as a, 2 as b FROM x

\n\n

The outputs are the \"1 as a\" and \"2 as b\" expressions.

\n\n
Returns:
\n\n
\n

list[exp.Expression]: expressions

\n
\n"}, "sqlglot.optimizer.scope.Scope.external_columns": {"fullname": "sqlglot.optimizer.scope.Scope.external_columns", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.external_columns", "kind": "variable", "doc": "

Columns that appear to reference sources in outer scopes.

\n\n
Returns:
\n\n
\n

list[exp.Column]: Column instances that don't reference\n sources in the current scope.

\n
\n"}, "sqlglot.optimizer.scope.Scope.unqualified_columns": {"fullname": "sqlglot.optimizer.scope.Scope.unqualified_columns", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.unqualified_columns", "kind": "variable", "doc": "

Unqualified columns in the current scope.

\n\n
Returns:
\n\n
\n

list[exp.Column]: Unqualified columns

\n
\n"}, "sqlglot.optimizer.scope.Scope.join_hints": {"fullname": "sqlglot.optimizer.scope.Scope.join_hints", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.join_hints", "kind": "variable", "doc": "

Hints that exist in the scope that reference tables

\n\n
Returns:
\n\n
\n

list[exp.JoinHint]: Join hints that are referenced within the scope

\n
\n"}, "sqlglot.optimizer.scope.Scope.source_columns": {"fullname": "sqlglot.optimizer.scope.Scope.source_columns", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.source_columns", "kind": "function", "doc": "

Get all columns in the current scope for a particular source.

\n\n
Arguments:
\n\n
    \n
  • source_name (str): Name of the source
    • \n
\n\n
Returns:
\n\n
\n

list[exp.Column]: Column instances that reference source_name

\n
\n", "signature": "(self, source_name):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.is_subquery": {"fullname": "sqlglot.optimizer.scope.Scope.is_subquery", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_subquery", "kind": "variable", "doc": "

Determine if this scope is a subquery

\n"}, "sqlglot.optimizer.scope.Scope.is_derived_table": {"fullname": "sqlglot.optimizer.scope.Scope.is_derived_table", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_derived_table", "kind": "variable", "doc": "

Determine if this scope is a derived table

\n"}, "sqlglot.optimizer.scope.Scope.is_union": {"fullname": "sqlglot.optimizer.scope.Scope.is_union", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_union", "kind": "variable", "doc": "

Determine if this scope is a union

\n"}, "sqlglot.optimizer.scope.Scope.is_cte": {"fullname": "sqlglot.optimizer.scope.Scope.is_cte", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_cte", "kind": "variable", "doc": "

Determine if this scope is a common table expression

\n"}, "sqlglot.optimizer.scope.Scope.is_root": {"fullname": "sqlglot.optimizer.scope.Scope.is_root", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_root", "kind": "variable", "doc": "

Determine if this is the root scope

\n"}, "sqlglot.optimizer.scope.Scope.is_udtf": {"fullname": "sqlglot.optimizer.scope.Scope.is_udtf", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_udtf", "kind": "variable", "doc": "

Determine if this scope is a UDTF (User Defined Table Function)

\n"}, "sqlglot.optimizer.scope.Scope.is_correlated_subquery": {"fullname": "sqlglot.optimizer.scope.Scope.is_correlated_subquery", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.is_correlated_subquery", "kind": "variable", "doc": "

Determine if this scope is a correlated subquery

\n"}, "sqlglot.optimizer.scope.Scope.rename_source": {"fullname": "sqlglot.optimizer.scope.Scope.rename_source", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.rename_source", "kind": "function", "doc": "

Rename a source in this scope

\n", "signature": "(self, old_name, new_name):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.add_source": {"fullname": "sqlglot.optimizer.scope.Scope.add_source", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.add_source", "kind": "function", "doc": "

Add a source to this scope

\n", "signature": "(self, name, source):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.remove_source": {"fullname": "sqlglot.optimizer.scope.Scope.remove_source", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.remove_source", "kind": "function", "doc": "

Remove a source from this scope

\n", "signature": "(self, name):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.traverse": {"fullname": "sqlglot.optimizer.scope.Scope.traverse", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.traverse", "kind": "function", "doc": "

Traverse the scope tree from this node.

\n\n
Yields:
\n\n
\n

Scope: scope instances in depth-first-search post-order

\n
\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.optimizer.scope.Scope.ref_count": {"fullname": "sqlglot.optimizer.scope.Scope.ref_count", "modulename": "sqlglot.optimizer.scope", "qualname": "Scope.ref_count", "kind": "function", "doc": "

Count the number of times each scope in this tree is referenced.

\n\n
Returns:
\n\n
\n

dict[int, int]: Mapping of Scope instance ID to reference count

\n
\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.optimizer.scope.traverse_scope": {"fullname": "sqlglot.optimizer.scope.traverse_scope", "modulename": "sqlglot.optimizer.scope", "qualname": "traverse_scope", "kind": "function", "doc": "

Traverse an expression by it's \"scopes\".

\n\n

\"Scope\" represents the current context of a Select statement.

\n\n

This is helpful for optimizing queries, where we need more information than\nthe expression tree itself. For example, we might care about the source\nnames within a subquery. Returns a list because a generator could result in\nincomplete properties which is confusing.

\n\n
Examples:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT a FROM (SELECT a FROM x) AS y")\n>>> scopes = traverse_scope(expression)\n>>> scopes[0].expression.sql(), list(scopes[0].sources)\n('SELECT a FROM x', ['x'])\n>>> scopes[1].expression.sql(), list(scopes[1].sources)\n('SELECT a FROM (SELECT a FROM x) AS y', ['y'])\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (exp.Expression): expression to traverse
    • \n
\n\n
Returns:
\n\n
\n

list[Scope]: scope instances

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.scope.build_scope": {"fullname": "sqlglot.optimizer.scope.build_scope", "modulename": "sqlglot.optimizer.scope", "qualname": "build_scope", "kind": "function", "doc": "

Build a scope tree.

\n\n
Arguments:
\n\n
    \n
  • expression (exp.Expression): expression to build the scope tree for
    • \n
\n\n
Returns:
\n\n
\n

Scope: root scope

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.scope.walk_in_scope": {"fullname": "sqlglot.optimizer.scope.walk_in_scope", "modulename": "sqlglot.optimizer.scope", "qualname": "walk_in_scope", "kind": "function", "doc": "

Returns a generator object which visits all nodes in the syntrax tree, stopping at\nnodes that start child scopes.

\n\n
Arguments:
\n\n
    \n
  • expression (exp.Expression):
    • \n
  • bfs (bool): if set to True the BFS traversal order will be applied,\notherwise the DFS traversal will be used instead.
    • \n
\n\n
Yields:
\n\n
\n

tuple[exp.Expression, Optional[exp.Expression], str]: node, parent, arg key

\n
\n", "signature": "(expression, bfs=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify": {"fullname": "sqlglot.optimizer.simplify", "modulename": "sqlglot.optimizer.simplify", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.simplify.simplify": {"fullname": "sqlglot.optimizer.simplify.simplify", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify", "kind": "function", "doc": "

Rewrite sqlglot AST to simplify expressions.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("TRUE AND TRUE")\n>>> simplify(expression).sql()\n'TRUE'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to simplify
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: simplified expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.rewrite_between": {"fullname": "sqlglot.optimizer.simplify.rewrite_between", "modulename": "sqlglot.optimizer.simplify", "qualname": "rewrite_between", "kind": "function", "doc": "

Rewrite x between y and z to x >= y AND x <= z.

\n\n

This is done because comparison simplification is only done on lt/lte/gt/gte.

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.optimizer.simplify.simplify_not": {"fullname": "sqlglot.optimizer.simplify.simplify_not", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify_not", "kind": "function", "doc": "

Demorgan's Law\nNOT (x OR y) -> NOT x AND NOT y\nNOT (x AND y) -> NOT x OR NOT y

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.flatten": {"fullname": "sqlglot.optimizer.simplify.flatten", "modulename": "sqlglot.optimizer.simplify", "qualname": "flatten", "kind": "function", "doc": "

A AND (B AND C) -> A AND B AND C\nA OR (B OR C) -> A OR B OR C

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.simplify_connectors": {"fullname": "sqlglot.optimizer.simplify.simplify_connectors", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify_connectors", "kind": "function", "doc": "

\n", "signature": "(expression, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.remove_compliments": {"fullname": "sqlglot.optimizer.simplify.remove_compliments", "modulename": "sqlglot.optimizer.simplify", "qualname": "remove_compliments", "kind": "function", "doc": "

Removing compliments.

\n\n

A AND NOT A -> FALSE\nA OR NOT A -> TRUE

\n", "signature": "(expression, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.uniq_sort": {"fullname": "sqlglot.optimizer.simplify.uniq_sort", "modulename": "sqlglot.optimizer.simplify", "qualname": "uniq_sort", "kind": "function", "doc": "

Uniq and sort a connector.

\n\n

C AND A AND B AND B -> A AND B AND C

\n", "signature": "(expression, cache=None, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.absorb_and_eliminate": {"fullname": "sqlglot.optimizer.simplify.absorb_and_eliminate", "modulename": "sqlglot.optimizer.simplify", "qualname": "absorb_and_eliminate", "kind": "function", "doc": "

absorption:\n A AND (A OR B) -> A\n A OR (A AND B) -> A\n A AND (NOT A OR B) -> A AND B\n A OR (NOT A AND B) -> A OR B\nelimination:\n (A AND B) OR (A AND NOT B) -> A\n (A OR B) AND (A OR NOT B) -> A

\n", "signature": "(expression, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.simplify_literals": {"fullname": "sqlglot.optimizer.simplify.simplify_literals", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify_literals", "kind": "function", "doc": "

\n", "signature": "(expression, root=True):", "funcdef": "def"}, "sqlglot.optimizer.simplify.simplify_parens": {"fullname": "sqlglot.optimizer.simplify.simplify_parens", "modulename": "sqlglot.optimizer.simplify", "qualname": "simplify_parens", "kind": "function", "doc": "

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.remove_where_true": {"fullname": "sqlglot.optimizer.simplify.remove_where_true", "modulename": "sqlglot.optimizer.simplify", "qualname": "remove_where_true", "kind": "function", "doc": "

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.always_true": {"fullname": "sqlglot.optimizer.simplify.always_true", "modulename": "sqlglot.optimizer.simplify", "qualname": "always_true", "kind": "function", "doc": "

\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.simplify.is_complement": {"fullname": "sqlglot.optimizer.simplify.is_complement", "modulename": "sqlglot.optimizer.simplify", "qualname": "is_complement", "kind": "function", "doc": "

\n", "signature": "(a, b):", "funcdef": "def"}, "sqlglot.optimizer.simplify.is_false": {"fullname": "sqlglot.optimizer.simplify.is_false", "modulename": "sqlglot.optimizer.simplify", "qualname": "is_false", "kind": "function", "doc": "

\n", "signature": "(a: sqlglot.expressions.Expression) -> bool:", "funcdef": "def"}, "sqlglot.optimizer.simplify.is_null": {"fullname": "sqlglot.optimizer.simplify.is_null", "modulename": "sqlglot.optimizer.simplify", "qualname": "is_null", "kind": "function", "doc": "

\n", "signature": "(a: sqlglot.expressions.Expression) -> bool:", "funcdef": "def"}, "sqlglot.optimizer.simplify.eval_boolean": {"fullname": "sqlglot.optimizer.simplify.eval_boolean", "modulename": "sqlglot.optimizer.simplify", "qualname": "eval_boolean", "kind": "function", "doc": "

\n", "signature": "(expression, a, b):", "funcdef": "def"}, "sqlglot.optimizer.simplify.extract_date": {"fullname": "sqlglot.optimizer.simplify.extract_date", "modulename": "sqlglot.optimizer.simplify", "qualname": "extract_date", "kind": "function", "doc": "

\n", "signature": "(cast):", "funcdef": "def"}, "sqlglot.optimizer.simplify.extract_interval": {"fullname": "sqlglot.optimizer.simplify.extract_interval", "modulename": "sqlglot.optimizer.simplify", "qualname": "extract_interval", "kind": "function", "doc": "

\n", "signature": "(interval):", "funcdef": "def"}, "sqlglot.optimizer.simplify.date_literal": {"fullname": "sqlglot.optimizer.simplify.date_literal", "modulename": "sqlglot.optimizer.simplify", "qualname": "date_literal", "kind": "function", "doc": "

\n", "signature": "(date):", "funcdef": "def"}, "sqlglot.optimizer.simplify.boolean_literal": {"fullname": "sqlglot.optimizer.simplify.boolean_literal", "modulename": "sqlglot.optimizer.simplify", "qualname": "boolean_literal", "kind": "function", "doc": "

\n", "signature": "(condition):", "funcdef": "def"}, "sqlglot.optimizer.unnest_subqueries": {"fullname": "sqlglot.optimizer.unnest_subqueries", "modulename": "sqlglot.optimizer.unnest_subqueries", "kind": "module", "doc": "

\n"}, "sqlglot.optimizer.unnest_subqueries.unnest_subqueries": {"fullname": "sqlglot.optimizer.unnest_subqueries.unnest_subqueries", "modulename": "sqlglot.optimizer.unnest_subqueries", "qualname": "unnest_subqueries", "kind": "function", "doc": "

Rewrite sqlglot AST to convert some predicates with subqueries into joins.

\n\n

Convert scalar subqueries into cross joins.\nConvert correlated or vectorized subqueries into a group by so it is not a many to many left join.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("SELECT * FROM x AS x WHERE (SELECT y.a AS a FROM y AS y WHERE x.a = y.a) = 1 ")\n>>> unnest_subqueries(expression).sql()\n'SELECT * FROM x AS x LEFT JOIN (SELECT y.a AS a FROM y AS y WHERE TRUE GROUP BY y.a) AS _u_0 ON x.a = _u_0.a WHERE _u_0.a = 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to unnest
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: unnested expression

\n
\n", "signature": "(expression):", "funcdef": "def"}, "sqlglot.optimizer.unnest_subqueries.unnest": {"fullname": "sqlglot.optimizer.unnest_subqueries.unnest", "modulename": "sqlglot.optimizer.unnest_subqueries", "qualname": "unnest", "kind": "function", "doc": "

\n", "signature": "(select, parent_select, sequence):", "funcdef": "def"}, "sqlglot.optimizer.unnest_subqueries.decorrelate": {"fullname": "sqlglot.optimizer.unnest_subqueries.decorrelate", "modulename": "sqlglot.optimizer.unnest_subqueries", "qualname": "decorrelate", "kind": "function", "doc": "

\n", "signature": "(select, parent_select, external_columns, sequence):", "funcdef": "def"}, "sqlglot.parser": {"fullname": "sqlglot.parser", "modulename": "sqlglot.parser", "kind": "module", "doc": "

\n"}, "sqlglot.parser.parse_var_map": {"fullname": "sqlglot.parser.parse_var_map", "modulename": "sqlglot.parser", "qualname": "parse_var_map", "kind": "function", "doc": "

\n", "signature": "(args: Sequence) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.parser.parse_like": {"fullname": "sqlglot.parser.parse_like", "modulename": "sqlglot.parser", "qualname": "parse_like", "kind": "function", "doc": "

\n", "signature": "(args):", "funcdef": "def"}, "sqlglot.parser.binary_range_parser": {"fullname": "sqlglot.parser.binary_range_parser", "modulename": "sqlglot.parser", "qualname": "binary_range_parser", "kind": "function", "doc": "

\n", "signature": "(\texpr_type: Type[sqlglot.expressions.Expression]) -> Callable[[sqlglot.parser.Parser, Optional[sqlglot.expressions.Expression]], Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.parser.Parser": {"fullname": "sqlglot.parser.Parser", "modulename": "sqlglot.parser", "qualname": "Parser", "kind": "class", "doc": "

Parser consumes a list of tokens produced by the sqlglot.tokens.Tokenizer and produces\na parsed syntax tree.

\n\n
Arguments:
\n\n
    \n
  • error_level: the desired error level.\nDefault: ErrorLevel.RAISE
    • \n
  • error_message_context: determines the amount of context to capture from a\nquery string when displaying the error message (in number of characters).\nDefault: 50.
    • \n
  • index_offset: Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list.\nDefault: 0
    • \n
  • alias_post_tablesample: If the table alias comes after tablesample.\nDefault: False
    • \n
  • max_errors: Maximum number of error messages to include in a raised ParseError.\nThis is only relevant if error_level is ErrorLevel.RAISE.\nDefault: 3
    • \n
  • null_ordering: Indicates the default null ordering method to use if not explicitly set.\nOptions are \"nulls_are_small\", \"nulls_are_large\", \"nulls_are_last\".\nDefault: \"nulls_are_small\"
    • \n
\n"}, "sqlglot.parser.Parser.__init__": {"fullname": "sqlglot.parser.Parser.__init__", "modulename": "sqlglot.parser", "qualname": "Parser.__init__", "kind": "function", "doc": "

\n", "signature": "(\terror_level: Optional[sqlglot.errors.ErrorLevel] = None,\terror_message_context: int = 100,\tindex_offset: int = 0,\tunnest_column_only: bool = False,\talias_post_tablesample: bool = False,\tmax_errors: int = 3,\tnull_ordering: Optional[str] = None)"}, "sqlglot.parser.Parser.reset": {"fullname": "sqlglot.parser.Parser.reset", "modulename": "sqlglot.parser", "qualname": "Parser.reset", "kind": "function", "doc": "

\n", "signature": "(self):", "funcdef": "def"}, "sqlglot.parser.Parser.parse": {"fullname": "sqlglot.parser.Parser.parse", "modulename": "sqlglot.parser", "qualname": "Parser.parse", "kind": "function", "doc": "

Parses a list of tokens and returns a list of syntax trees, one tree\nper parsed SQL statement.

\n\n
Arguments:
\n\n
    \n
  • raw_tokens: the list of tokens.
    • \n
  • sql: the original SQL string, used to produce helpful debug messages.
    • \n
\n\n
Returns:
\n\n
\n

The list of syntax trees.

\n
\n", "signature": "(\tself,\traw_tokens: List[sqlglot.tokens.Token],\tsql: Optional[str] = None) -> List[Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.parser.Parser.parse_into": {"fullname": "sqlglot.parser.Parser.parse_into", "modulename": "sqlglot.parser", "qualname": "Parser.parse_into", "kind": "function", "doc": "

Parses a list of tokens into a given Expression type. If a collection of Expression\ntypes is given instead, this method will try to parse the token list into each one\nof them, stopping at the first for which the parsing succeeds.

\n\n
Arguments:
\n\n
    \n
  • expression_types: the expression type(s) to try and parse the token list into.
    • \n
  • raw_tokens: the list of tokens.
    • \n
  • sql: the original SQL string, used to produce helpful debug messages.
    • \n
\n\n
Returns:
\n\n
\n

The target Expression.

\n
\n", "signature": "(\tself,\texpression_types: Union[str, Type[sqlglot.expressions.Expression], Collection[Union[str, Type[sqlglot.expressions.Expression]]]],\traw_tokens: List[sqlglot.tokens.Token],\tsql: Optional[str] = None) -> List[Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.parser.Parser.check_errors": {"fullname": "sqlglot.parser.Parser.check_errors", "modulename": "sqlglot.parser", "qualname": "Parser.check_errors", "kind": "function", "doc": "

Logs or raises any found errors, depending on the chosen error level setting.

\n", "signature": "(self) -> None:", "funcdef": "def"}, "sqlglot.parser.Parser.raise_error": {"fullname": "sqlglot.parser.Parser.raise_error", "modulename": "sqlglot.parser", "qualname": "Parser.raise_error", "kind": "function", "doc": "

Appends an error in the list of recorded errors or raises it, depending on the chosen\nerror level setting.

\n", "signature": "(self, message: str, token: Optional[sqlglot.tokens.Token] = None) -> None:", "funcdef": "def"}, "sqlglot.parser.Parser.expression": {"fullname": "sqlglot.parser.Parser.expression", "modulename": "sqlglot.parser", "qualname": "Parser.expression", "kind": "function", "doc": "

Creates a new, validated Expression.

\n\n
Arguments:
\n\n
    \n
  • exp_class: the expression class to instantiate.
    • \n
  • comments: an optional list of comments to attach to the expression.
    • \n
  • kwargs: the arguments to set for the expression along with their respective values.
    • \n
\n\n
Returns:
\n\n
\n

The target expression.

\n
\n", "signature": "(\tself,\texp_class: Type[~E],\tcomments: Optional[List[str]] = None,\t**kwargs) -> ~E:", "funcdef": "def"}, "sqlglot.parser.Parser.validate_expression": {"fullname": "sqlglot.parser.Parser.validate_expression", "modulename": "sqlglot.parser", "qualname": "Parser.validate_expression", "kind": "function", "doc": "

Validates an already instantiated expression, making sure that all its mandatory arguments\nare set.

\n\n
Arguments:
\n\n
    \n
  • expression: the expression to validate.
    • \n
  • args: an optional list of items that was used to instantiate the expression, if it's a Func.
    • \n
\n", "signature": "(\tself,\texpression: sqlglot.expressions.Expression,\targs: Optional[List] = None) -> None:", "funcdef": "def"}, "sqlglot.planner": {"fullname": "sqlglot.planner", "modulename": "sqlglot.planner", "kind": "module", "doc": "

\n"}, "sqlglot.planner.Plan": {"fullname": "sqlglot.planner.Plan", "modulename": "sqlglot.planner", "qualname": "Plan", "kind": "class", "doc": "

\n"}, "sqlglot.planner.Plan.__init__": {"fullname": "sqlglot.planner.Plan.__init__", "modulename": "sqlglot.planner", "qualname": "Plan.__init__", "kind": "function", "doc": "

\n", "signature": "(expression: sqlglot.expressions.Expression)"}, "sqlglot.planner.Step": {"fullname": "sqlglot.planner.Step", "modulename": "sqlglot.planner", "qualname": "Step", "kind": "class", "doc": "

\n"}, "sqlglot.planner.Step.from_expression": {"fullname": "sqlglot.planner.Step.from_expression", "modulename": "sqlglot.planner", "qualname": "Step.from_expression", "kind": "function", "doc": "

Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.\nNote: the expression's tables and subqueries must be aliased for this method to work. For\nexample, given the following expression:

\n\n

SELECT\n x.a,\n SUM(x.b)\nFROM x AS x\nJOIN y AS y\n ON x.a = y.a\nGROUP BY x.a

\n\n

the following DAG is produced (the expression IDs might differ per execution):

\n\n
    \n
  • Aggregate: x (4347984624)\nContext:\n Aggregations:\n - SUM(x.b)\n Group:\n - x.a\nProjections:\n
      \n
    • x.a
      • \n
    • \"x\".\"\"\nDependencies:\n
        \n
      • Join: x (4347985296)\nContext:\ny:\nOn: x.a = y.a\nProjections:\nDependencies:
        • \n
      • \n
    • Scan: x (4347983136)\nContext:\n Source: x AS x\nProjections:
      • \n
    • Scan: y (4343416624)\nContext:\n Source: y AS y\nProjections:
      • \n
    • \n
\n\n
Arguments:
\n\n
    \n
  • expression: the expression to build the DAG from.
    • \n
  • ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.
    • \n
\n\n
Returns:
\n\n
\n

A Step DAG corresponding to expression.

\n
\n", "signature": "(\tcls,\texpression: sqlglot.expressions.Expression,\tctes: Optional[Dict[str, sqlglot.planner.Step]] = None) -> sqlglot.planner.Step:", "funcdef": "def"}, "sqlglot.planner.Step.add_dependency": {"fullname": "sqlglot.planner.Step.add_dependency", "modulename": "sqlglot.planner", "qualname": "Step.add_dependency", "kind": "function", "doc": "

\n", "signature": "(self, dependency: sqlglot.planner.Step) -> None:", "funcdef": "def"}, "sqlglot.planner.Step.to_s": {"fullname": "sqlglot.planner.Step.to_s", "modulename": "sqlglot.planner", "qualname": "Step.to_s", "kind": "function", "doc": "

\n", "signature": "(self, level: int = 0) -> str:", "funcdef": "def"}, "sqlglot.planner.Scan": {"fullname": "sqlglot.planner.Scan", "modulename": "sqlglot.planner", "qualname": "Scan", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.Scan.from_expression": {"fullname": "sqlglot.planner.Scan.from_expression", "modulename": "sqlglot.planner", "qualname": "Scan.from_expression", "kind": "function", "doc": "

Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.\nNote: the expression's tables and subqueries must be aliased for this method to work. For\nexample, given the following expression:

\n\n

SELECT\n x.a,\n SUM(x.b)\nFROM x AS x\nJOIN y AS y\n ON x.a = y.a\nGROUP BY x.a

\n\n

the following DAG is produced (the expression IDs might differ per execution):

\n\n
    \n
  • Aggregate: x (4347984624)\nContext:\n Aggregations:\n - SUM(x.b)\n Group:\n - x.a\nProjections:\n
      \n
    • x.a
      • \n
    • \"x\".\"\"\nDependencies:\n
        \n
      • Join: x (4347985296)\nContext:\ny:\nOn: x.a = y.a\nProjections:\nDependencies:
        • \n
      • \n
    • Scan: x (4347983136)\nContext:\n Source: x AS x\nProjections:
      • \n
    • Scan: y (4343416624)\nContext:\n Source: y AS y\nProjections:
      • \n
    • \n
\n\n
Arguments:
\n\n
    \n
  • expression: the expression to build the DAG from.
    • \n
  • ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.
    • \n
\n\n
Returns:
\n\n
\n

A Step DAG corresponding to expression.

\n
\n", "signature": "(\tcls,\texpression: sqlglot.expressions.Expression,\tctes: Optional[Dict[str, sqlglot.planner.Step]] = None) -> sqlglot.planner.Step:", "funcdef": "def"}, "sqlglot.planner.Join": {"fullname": "sqlglot.planner.Join", "modulename": "sqlglot.planner", "qualname": "Join", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.Join.from_joins": {"fullname": "sqlglot.planner.Join.from_joins", "modulename": "sqlglot.planner", "qualname": "Join.from_joins", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tjoins: Iterable[sqlglot.expressions.Join],\tctes: Optional[Dict[str, sqlglot.planner.Step]] = None) -> sqlglot.planner.Step:", "funcdef": "def"}, "sqlglot.planner.Aggregate": {"fullname": "sqlglot.planner.Aggregate", "modulename": "sqlglot.planner", "qualname": "Aggregate", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.Sort": {"fullname": "sqlglot.planner.Sort", "modulename": "sqlglot.planner", "qualname": "Sort", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.SetOperation": {"fullname": "sqlglot.planner.SetOperation", "modulename": "sqlglot.planner", "qualname": "SetOperation", "kind": "class", "doc": "

\n", "bases": "Step"}, "sqlglot.planner.SetOperation.__init__": {"fullname": "sqlglot.planner.SetOperation.__init__", "modulename": "sqlglot.planner", "qualname": "SetOperation.__init__", "kind": "function", "doc": "

\n", "signature": "(\top: Type[sqlglot.expressions.Expression],\tleft: str | None,\tright: str | None,\tdistinct: bool = False)"}, "sqlglot.planner.SetOperation.from_expression": {"fullname": "sqlglot.planner.SetOperation.from_expression", "modulename": "sqlglot.planner", "qualname": "SetOperation.from_expression", "kind": "function", "doc": "

Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.\nNote: the expression's tables and subqueries must be aliased for this method to work. For\nexample, given the following expression:

\n\n

SELECT\n x.a,\n SUM(x.b)\nFROM x AS x\nJOIN y AS y\n ON x.a = y.a\nGROUP BY x.a

\n\n

the following DAG is produced (the expression IDs might differ per execution):

\n\n
    \n
  • Aggregate: x (4347984624)\nContext:\n Aggregations:\n - SUM(x.b)\n Group:\n - x.a\nProjections:\n
      \n
    • x.a
      • \n
    • \"x\".\"\"\nDependencies:\n
        \n
      • Join: x (4347985296)\nContext:\ny:\nOn: x.a = y.a\nProjections:\nDependencies:
        • \n
      • \n
    • Scan: x (4347983136)\nContext:\n Source: x AS x\nProjections:
      • \n
    • Scan: y (4343416624)\nContext:\n Source: y AS y\nProjections:
      • \n
    • \n
\n\n
Arguments:
\n\n
    \n
  • expression: the expression to build the DAG from.
    • \n
  • ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.
    • \n
\n\n
Returns:
\n\n
\n

A Step DAG corresponding to expression.

\n
\n", "signature": "(\tcls,\texpression: sqlglot.expressions.Expression,\tctes: Optional[Dict[str, sqlglot.planner.Step]] = None) -> sqlglot.planner.Step:", "funcdef": "def"}, "sqlglot.schema.Schema": {"fullname": "sqlglot.schema.Schema", "modulename": "sqlglot.schema", "qualname": "Schema", "kind": "class", "doc": "

Abstract base class for database schemas

\n", "bases": "abc.ABC"}, "sqlglot.schema.Schema.add_table": {"fullname": "sqlglot.schema.Schema.add_table", "modulename": "sqlglot.schema", "qualname": "Schema.add_table", "kind": "function", "doc": "

Register or update a table. Some implementing classes may require column information to also be provided.

\n\n
Arguments:
\n\n
    \n
  • table: table expression instance or string representing the table.
    • \n
  • column_mapping: a column mapping that describes the structure of the table.
    • \n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tcolumn_mapping: Union[Dict, str, sqlglot.dataframe.sql.types.StructType, List, NoneType] = None) -> None:", "funcdef": "def"}, "sqlglot.schema.Schema.column_names": {"fullname": "sqlglot.schema.Schema.column_names", "modulename": "sqlglot.schema", "qualname": "Schema.column_names", "kind": "function", "doc": "

Get the column names for a table.

\n\n
Arguments:
\n\n
    \n
  • table: the Table expression instance.
    • \n
  • only_visible: whether to include invisible columns.
    • \n
\n\n
Returns:
\n\n
\n

The list of column names.

\n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tonly_visible: bool = False) -> List[str]:", "funcdef": "def"}, "sqlglot.schema.Schema.get_column_type": {"fullname": "sqlglot.schema.Schema.get_column_type", "modulename": "sqlglot.schema", "qualname": "Schema.get_column_type", "kind": "function", "doc": "

Get the sqlglot.exp.DataType type of a column in the schema.

\n\n
Arguments:
\n\n
    \n
  • table: the source table.
    • \n
  • column: the target column.
    • \n
\n\n
Returns:
\n\n
\n

The resulting column type.

\n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tcolumn: sqlglot.expressions.Column) -> sqlglot.expressions.DataType:", "funcdef": "def"}, "sqlglot.schema.Schema.supported_table_args": {"fullname": "sqlglot.schema.Schema.supported_table_args", "modulename": "sqlglot.schema", "qualname": "Schema.supported_table_args", "kind": "variable", "doc": "

Table arguments this schema support, e.g. (\"this\", \"db\", \"catalog\")

\n", "annotation": ": Tuple[str, ...]"}, "sqlglot.schema.AbstractMappingSchema": {"fullname": "sqlglot.schema.AbstractMappingSchema", "modulename": "sqlglot.schema", "qualname": "AbstractMappingSchema", "kind": "class", "doc": "

Abstract base class for generic types.

\n\n

A generic type is typically declared by inheriting from\nthis class parameterized with one or more type variables.\nFor example, a generic mapping type might be defined as::

\n\n

class Mapping(Generic[KT, VT]):\n def __getitem__(self, key: KT) -> VT:\n ...\n # Etc.

\n\n

This class can then be used as follows::

\n\n

def lookup_name(mapping: Mapping[KT, VT], key: KT, default: VT) -> VT:\n try:\n return mapping[key]\n except KeyError:\n return default

\n", "bases": "typing.Generic[~T]"}, "sqlglot.schema.AbstractMappingSchema.__init__": {"fullname": "sqlglot.schema.AbstractMappingSchema.__init__", "modulename": "sqlglot.schema", "qualname": "AbstractMappingSchema.__init__", "kind": "function", "doc": "

\n", "signature": "(mapping: dict | None = None)"}, "sqlglot.schema.AbstractMappingSchema.table_parts": {"fullname": "sqlglot.schema.AbstractMappingSchema.table_parts", "modulename": "sqlglot.schema", "qualname": "AbstractMappingSchema.table_parts", "kind": "function", "doc": "

\n", "signature": "(self, table: sqlglot.expressions.Table) -> List[str]:", "funcdef": "def"}, "sqlglot.schema.AbstractMappingSchema.find": {"fullname": "sqlglot.schema.AbstractMappingSchema.find", "modulename": "sqlglot.schema", "qualname": "AbstractMappingSchema.find", "kind": "function", "doc": "

\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table,\ttrie: Optional[Dict] = None,\traise_on_missing: bool = True) -> Optional[~T]:", "funcdef": "def"}, "sqlglot.schema.MappingSchema": {"fullname": "sqlglot.schema.MappingSchema", "modulename": "sqlglot.schema", "qualname": "MappingSchema", "kind": "class", "doc": "

Schema based on a nested mapping.

\n\n
Arguments:
\n\n
    \n
  • schema (dict): Mapping in one of the following forms:\n
      \n
    1. {table: {col: type}}
      2. \n
    2. {db: {table: {col: type}}}
      3. \n
    3. {catalog: {db: {table: {col: type}}}}
      4. \n
    4. None - Tables will be added later
      5. \n
    • \n
  • visible (dict): Optional mapping of which columns in the schema are visible. If not provided, all columns\nare assumed to be visible. The nesting should mirror that of the schema:\n
      \n
    1. {table: set(cols)}}
      2. \n
    2. {db: {table: set(cols)}}}
      3. \n
    3. {catalog: {db: {table: set(*cols)}}}}
      4. \n
    • \n
  • dialect (str): The dialect to be used for custom type mappings.
    • \n
\n", "bases": "sqlglot.schema.AbstractMappingSchema[typing.Dict[str, str]], Schema"}, "sqlglot.schema.MappingSchema.__init__": {"fullname": "sqlglot.schema.MappingSchema.__init__", "modulename": "sqlglot.schema", "qualname": "MappingSchema.__init__", "kind": "function", "doc": "

\n", "signature": "(\tschema: Optional[Dict] = None,\tvisible: Optional[Dict] = None,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None)"}, "sqlglot.schema.MappingSchema.from_mapping_schema": {"fullname": "sqlglot.schema.MappingSchema.from_mapping_schema", "modulename": "sqlglot.schema", "qualname": "MappingSchema.from_mapping_schema", "kind": "function", "doc": "

\n", "signature": "(\tcls,\tmapping_schema: sqlglot.schema.MappingSchema) -> sqlglot.schema.MappingSchema:", "funcdef": "def"}, "sqlglot.schema.MappingSchema.copy": {"fullname": "sqlglot.schema.MappingSchema.copy", "modulename": "sqlglot.schema", "qualname": "MappingSchema.copy", "kind": "function", "doc": "

\n", "signature": "(self, **kwargs) -> sqlglot.schema.MappingSchema:", "funcdef": "def"}, "sqlglot.schema.MappingSchema.add_table": {"fullname": "sqlglot.schema.MappingSchema.add_table", "modulename": "sqlglot.schema", "qualname": "MappingSchema.add_table", "kind": "function", "doc": "

Register or update a table. Updates are only performed if a new column mapping is provided.

\n\n
Arguments:
\n\n
    \n
  • table: the Table expression instance or string representing the table.
    • \n
  • column_mapping: a column mapping that describes the structure of the table.
    • \n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tcolumn_mapping: Union[Dict, str, sqlglot.dataframe.sql.types.StructType, List, NoneType] = None) -> None:", "funcdef": "def"}, "sqlglot.schema.MappingSchema.column_names": {"fullname": "sqlglot.schema.MappingSchema.column_names", "modulename": "sqlglot.schema", "qualname": "MappingSchema.column_names", "kind": "function", "doc": "

Get the column names for a table.

\n\n
Arguments:
\n\n
    \n
  • table: the Table expression instance.
    • \n
  • only_visible: whether to include invisible columns.
    • \n
\n\n
Returns:
\n\n
\n

The list of column names.

\n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tonly_visible: bool = False) -> List[str]:", "funcdef": "def"}, "sqlglot.schema.MappingSchema.get_column_type": {"fullname": "sqlglot.schema.MappingSchema.get_column_type", "modulename": "sqlglot.schema", "qualname": "MappingSchema.get_column_type", "kind": "function", "doc": "

Get the sqlglot.exp.DataType type of a column in the schema.

\n\n
Arguments:
\n\n
    \n
  • table: the source table.
    • \n
  • column: the target column.
    • \n
\n\n
Returns:
\n\n
\n

The resulting column type.

\n
\n", "signature": "(\tself,\ttable: sqlglot.expressions.Table | str,\tcolumn: sqlglot.expressions.Column | str) -> sqlglot.expressions.DataType:", "funcdef": "def"}, "sqlglot.schema.ensure_schema": {"fullname": "sqlglot.schema.ensure_schema", "modulename": "sqlglot.schema", "qualname": "ensure_schema", "kind": "function", "doc": "

\n", "signature": "(\tschema: Any,\tdialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None) -> sqlglot.schema.Schema:", "funcdef": "def"}, "sqlglot.schema.ensure_column_mapping": {"fullname": "sqlglot.schema.ensure_column_mapping", "modulename": "sqlglot.schema", "qualname": "ensure_column_mapping", "kind": "function", "doc": "

\n", "signature": "(\tmapping: Union[Dict, str, sqlglot.dataframe.sql.types.StructType, List, NoneType]) -> Dict:", "funcdef": "def"}, "sqlglot.schema.flatten_schema": {"fullname": "sqlglot.schema.flatten_schema", "modulename": "sqlglot.schema", "qualname": "flatten_schema", "kind": "function", "doc": "

\n", "signature": "(\tschema: Dict,\tdepth: int,\tkeys: Optional[List[str]] = None) -> List[List[str]]:", "funcdef": "def"}, "sqlglot.serde": {"fullname": "sqlglot.serde", "modulename": "sqlglot.serde", "kind": "module", "doc": "

\n"}, "sqlglot.serde.dump": {"fullname": "sqlglot.serde.dump", "modulename": "sqlglot.serde", "qualname": "dump", "kind": "function", "doc": "

Recursively dump an AST into a JSON-serializable dict.

\n", "signature": "(\tnode: Union[List[ForwardRef('Node')], sqlglot.expressions.DataType.Type, sqlglot.expressions.Expression, dict, list, str, float, int, bool]) -> Union[dict, list, str, float, int, bool]:", "funcdef": "def"}, "sqlglot.serde.load": {"fullname": "sqlglot.serde.load", "modulename": "sqlglot.serde", "qualname": "load", "kind": "function", "doc": "

Recursively load a dict (as returned by dump) into an AST.

\n", "signature": "(\tobj: Union[dict, list, str, float, int, bool]) -> Union[List[ForwardRef('Node')], sqlglot.expressions.DataType.Type, sqlglot.expressions.Expression, dict, list, str, float, int, bool]:", "funcdef": "def"}, "sqlglot.time": {"fullname": "sqlglot.time", "modulename": "sqlglot.time", "kind": "module", "doc": "

\n"}, "sqlglot.time.format_time": {"fullname": "sqlglot.time.format_time", "modulename": "sqlglot.time", "qualname": "format_time", "kind": "function", "doc": "

Converts a time string given a mapping.

\n\n
Examples:
\n\n
\n
\n
>>> format_time("%Y", {"%Y": "YYYY"})\n'YYYY'\n
\n
\n \n

Args:\n mapping: dictionary of time format to target time format.\n trie: optional trie, can be passed in for performance.

\n \n

Returns:\n The converted time string.

\n
\n", "signature": "(\tstring: str,\tmapping: Dict[str, str],\ttrie: Optional[Dict] = None) -> Optional[str]:", "funcdef": "def"}, "sqlglot.tokens": {"fullname": "sqlglot.tokens", "modulename": "sqlglot.tokens", "kind": "module", "doc": "

\n"}, "sqlglot.tokens.TokenType": {"fullname": "sqlglot.tokens.TokenType", "modulename": "sqlglot.tokens", "qualname": "TokenType", "kind": "class", "doc": "

An enumeration.

\n", "bases": "sqlglot.helper.AutoName"}, "sqlglot.tokens.TokenType.L_PAREN": {"fullname": "sqlglot.tokens.TokenType.L_PAREN", "modulename": "sqlglot.tokens", "qualname": "TokenType.L_PAREN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.L_PAREN: 'L_PAREN'>"}, "sqlglot.tokens.TokenType.R_PAREN": {"fullname": "sqlglot.tokens.TokenType.R_PAREN", "modulename": "sqlglot.tokens", "qualname": "TokenType.R_PAREN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.R_PAREN: 'R_PAREN'>"}, "sqlglot.tokens.TokenType.L_BRACKET": {"fullname": "sqlglot.tokens.TokenType.L_BRACKET", "modulename": "sqlglot.tokens", "qualname": "TokenType.L_BRACKET", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.L_BRACKET: 'L_BRACKET'>"}, "sqlglot.tokens.TokenType.R_BRACKET": {"fullname": "sqlglot.tokens.TokenType.R_BRACKET", "modulename": "sqlglot.tokens", "qualname": "TokenType.R_BRACKET", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.R_BRACKET: 'R_BRACKET'>"}, "sqlglot.tokens.TokenType.L_BRACE": {"fullname": "sqlglot.tokens.TokenType.L_BRACE", "modulename": "sqlglot.tokens", "qualname": "TokenType.L_BRACE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.L_BRACE: 'L_BRACE'>"}, "sqlglot.tokens.TokenType.R_BRACE": {"fullname": "sqlglot.tokens.TokenType.R_BRACE", "modulename": "sqlglot.tokens", "qualname": "TokenType.R_BRACE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.R_BRACE: 'R_BRACE'>"}, "sqlglot.tokens.TokenType.COMMA": {"fullname": "sqlglot.tokens.TokenType.COMMA", "modulename": "sqlglot.tokens", "qualname": "TokenType.COMMA", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.COMMA: 'COMMA'>"}, "sqlglot.tokens.TokenType.DOT": {"fullname": "sqlglot.tokens.TokenType.DOT", "modulename": "sqlglot.tokens", "qualname": "TokenType.DOT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DOT: 'DOT'>"}, "sqlglot.tokens.TokenType.DASH": {"fullname": "sqlglot.tokens.TokenType.DASH", "modulename": "sqlglot.tokens", "qualname": "TokenType.DASH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DASH: 'DASH'>"}, "sqlglot.tokens.TokenType.PLUS": {"fullname": "sqlglot.tokens.TokenType.PLUS", "modulename": "sqlglot.tokens", "qualname": "TokenType.PLUS", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PLUS: 'PLUS'>"}, "sqlglot.tokens.TokenType.COLON": {"fullname": "sqlglot.tokens.TokenType.COLON", "modulename": "sqlglot.tokens", "qualname": "TokenType.COLON", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.COLON: 'COLON'>"}, "sqlglot.tokens.TokenType.DCOLON": {"fullname": "sqlglot.tokens.TokenType.DCOLON", "modulename": "sqlglot.tokens", "qualname": "TokenType.DCOLON", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DCOLON: 'DCOLON'>"}, "sqlglot.tokens.TokenType.SEMICOLON": {"fullname": "sqlglot.tokens.TokenType.SEMICOLON", "modulename": "sqlglot.tokens", "qualname": "TokenType.SEMICOLON", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SEMICOLON: 'SEMICOLON'>"}, "sqlglot.tokens.TokenType.STAR": {"fullname": "sqlglot.tokens.TokenType.STAR", "modulename": "sqlglot.tokens", "qualname": "TokenType.STAR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.STAR: 'STAR'>"}, "sqlglot.tokens.TokenType.BACKSLASH": {"fullname": "sqlglot.tokens.TokenType.BACKSLASH", "modulename": "sqlglot.tokens", "qualname": "TokenType.BACKSLASH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BACKSLASH: 'BACKSLASH'>"}, "sqlglot.tokens.TokenType.SLASH": {"fullname": "sqlglot.tokens.TokenType.SLASH", "modulename": "sqlglot.tokens", "qualname": "TokenType.SLASH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SLASH: 'SLASH'>"}, "sqlglot.tokens.TokenType.LT": {"fullname": "sqlglot.tokens.TokenType.LT", "modulename": "sqlglot.tokens", "qualname": "TokenType.LT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LT: 'LT'>"}, "sqlglot.tokens.TokenType.LTE": {"fullname": "sqlglot.tokens.TokenType.LTE", "modulename": "sqlglot.tokens", "qualname": "TokenType.LTE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LTE: 'LTE'>"}, "sqlglot.tokens.TokenType.GT": {"fullname": "sqlglot.tokens.TokenType.GT", "modulename": "sqlglot.tokens", "qualname": "TokenType.GT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.GT: 'GT'>"}, "sqlglot.tokens.TokenType.GTE": {"fullname": "sqlglot.tokens.TokenType.GTE", "modulename": "sqlglot.tokens", "qualname": "TokenType.GTE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.GTE: 'GTE'>"}, "sqlglot.tokens.TokenType.NOT": {"fullname": "sqlglot.tokens.TokenType.NOT", "modulename": "sqlglot.tokens", "qualname": "TokenType.NOT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NOT: 'NOT'>"}, "sqlglot.tokens.TokenType.EQ": {"fullname": "sqlglot.tokens.TokenType.EQ", "modulename": "sqlglot.tokens", "qualname": "TokenType.EQ", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.EQ: 'EQ'>"}, "sqlglot.tokens.TokenType.NEQ": {"fullname": "sqlglot.tokens.TokenType.NEQ", "modulename": "sqlglot.tokens", "qualname": "TokenType.NEQ", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NEQ: 'NEQ'>"}, "sqlglot.tokens.TokenType.NULLSAFE_EQ": {"fullname": "sqlglot.tokens.TokenType.NULLSAFE_EQ", "modulename": "sqlglot.tokens", "qualname": "TokenType.NULLSAFE_EQ", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NULLSAFE_EQ: 'NULLSAFE_EQ'>"}, "sqlglot.tokens.TokenType.AND": {"fullname": "sqlglot.tokens.TokenType.AND", "modulename": "sqlglot.tokens", "qualname": "TokenType.AND", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.AND: 'AND'>"}, "sqlglot.tokens.TokenType.OR": {"fullname": "sqlglot.tokens.TokenType.OR", "modulename": "sqlglot.tokens", "qualname": "TokenType.OR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.OR: 'OR'>"}, "sqlglot.tokens.TokenType.AMP": {"fullname": "sqlglot.tokens.TokenType.AMP", "modulename": "sqlglot.tokens", "qualname": "TokenType.AMP", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.AMP: 'AMP'>"}, "sqlglot.tokens.TokenType.DPIPE": {"fullname": "sqlglot.tokens.TokenType.DPIPE", "modulename": "sqlglot.tokens", "qualname": "TokenType.DPIPE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DPIPE: 'DPIPE'>"}, "sqlglot.tokens.TokenType.PIPE": {"fullname": "sqlglot.tokens.TokenType.PIPE", "modulename": "sqlglot.tokens", "qualname": "TokenType.PIPE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PIPE: 'PIPE'>"}, "sqlglot.tokens.TokenType.CARET": {"fullname": "sqlglot.tokens.TokenType.CARET", "modulename": "sqlglot.tokens", "qualname": "TokenType.CARET", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.CARET: 'CARET'>"}, "sqlglot.tokens.TokenType.TILDA": {"fullname": "sqlglot.tokens.TokenType.TILDA", "modulename": "sqlglot.tokens", "qualname": "TokenType.TILDA", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TILDA: 'TILDA'>"}, "sqlglot.tokens.TokenType.ARROW": {"fullname": "sqlglot.tokens.TokenType.ARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.ARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.ARROW: 'ARROW'>"}, "sqlglot.tokens.TokenType.DARROW": {"fullname": "sqlglot.tokens.TokenType.DARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.DARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DARROW: 'DARROW'>"}, "sqlglot.tokens.TokenType.FARROW": {"fullname": "sqlglot.tokens.TokenType.FARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.FARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.FARROW: 'FARROW'>"}, "sqlglot.tokens.TokenType.HASH": {"fullname": "sqlglot.tokens.TokenType.HASH", "modulename": "sqlglot.tokens", "qualname": "TokenType.HASH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.HASH: 'HASH'>"}, "sqlglot.tokens.TokenType.HASH_ARROW": {"fullname": "sqlglot.tokens.TokenType.HASH_ARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.HASH_ARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.HASH_ARROW: 'HASH_ARROW'>"}, "sqlglot.tokens.TokenType.DHASH_ARROW": {"fullname": "sqlglot.tokens.TokenType.DHASH_ARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.DHASH_ARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DHASH_ARROW: 'DHASH_ARROW'>"}, "sqlglot.tokens.TokenType.LR_ARROW": {"fullname": "sqlglot.tokens.TokenType.LR_ARROW", "modulename": "sqlglot.tokens", "qualname": "TokenType.LR_ARROW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LR_ARROW: 'LR_ARROW'>"}, "sqlglot.tokens.TokenType.LT_AT": {"fullname": "sqlglot.tokens.TokenType.LT_AT", "modulename": "sqlglot.tokens", "qualname": "TokenType.LT_AT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LT_AT: 'LT_AT'>"}, "sqlglot.tokens.TokenType.AT_GT": {"fullname": "sqlglot.tokens.TokenType.AT_GT", "modulename": "sqlglot.tokens", "qualname": "TokenType.AT_GT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.AT_GT: 'AT_GT'>"}, "sqlglot.tokens.TokenType.DOLLAR": {"fullname": "sqlglot.tokens.TokenType.DOLLAR", "modulename": "sqlglot.tokens", "qualname": "TokenType.DOLLAR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DOLLAR: 'DOLLAR'>"}, "sqlglot.tokens.TokenType.PARAMETER": {"fullname": "sqlglot.tokens.TokenType.PARAMETER", "modulename": "sqlglot.tokens", "qualname": "TokenType.PARAMETER", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.PARAMETER: 'PARAMETER'>"}, "sqlglot.tokens.TokenType.SESSION_PARAMETER": {"fullname": "sqlglot.tokens.TokenType.SESSION_PARAMETER", "modulename": "sqlglot.tokens", "qualname": "TokenType.SESSION_PARAMETER", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SESSION_PARAMETER: 'SESSION_PARAMETER'>"}, "sqlglot.tokens.TokenType.NATIONAL": {"fullname": "sqlglot.tokens.TokenType.NATIONAL", "modulename": "sqlglot.tokens", "qualname": "TokenType.NATIONAL", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NATIONAL: 'NATIONAL'>"}, "sqlglot.tokens.TokenType.DAMP": {"fullname": "sqlglot.tokens.TokenType.DAMP", "modulename": "sqlglot.tokens", "qualname": "TokenType.DAMP", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DAMP: 'DAMP'>"}, "sqlglot.tokens.TokenType.BLOCK_START": {"fullname": "sqlglot.tokens.TokenType.BLOCK_START", "modulename": "sqlglot.tokens", "qualname": "TokenType.BLOCK_START", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BLOCK_START: 'BLOCK_START'>"}, "sqlglot.tokens.TokenType.BLOCK_END": {"fullname": "sqlglot.tokens.TokenType.BLOCK_END", "modulename": "sqlglot.tokens", "qualname": "TokenType.BLOCK_END", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BLOCK_END: 'BLOCK_END'>"}, "sqlglot.tokens.TokenType.SPACE": {"fullname": "sqlglot.tokens.TokenType.SPACE", "modulename": "sqlglot.tokens", "qualname": "TokenType.SPACE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SPACE: 'SPACE'>"}, "sqlglot.tokens.TokenType.BREAK": {"fullname": "sqlglot.tokens.TokenType.BREAK", "modulename": "sqlglot.tokens", "qualname": "TokenType.BREAK", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BREAK: 'BREAK'>"}, "sqlglot.tokens.TokenType.STRING": {"fullname": "sqlglot.tokens.TokenType.STRING", "modulename": "sqlglot.tokens", "qualname": "TokenType.STRING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.STRING: 'STRING'>"}, "sqlglot.tokens.TokenType.NUMBER": {"fullname": "sqlglot.tokens.TokenType.NUMBER", "modulename": "sqlglot.tokens", "qualname": "TokenType.NUMBER", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NUMBER: 'NUMBER'>"}, "sqlglot.tokens.TokenType.IDENTIFIER": {"fullname": "sqlglot.tokens.TokenType.IDENTIFIER", "modulename": "sqlglot.tokens", "qualname": "TokenType.IDENTIFIER", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.IDENTIFIER: 'IDENTIFIER'>"}, "sqlglot.tokens.TokenType.DATABASE": {"fullname": "sqlglot.tokens.TokenType.DATABASE", "modulename": "sqlglot.tokens", "qualname": "TokenType.DATABASE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DATABASE: 'DATABASE'>"}, "sqlglot.tokens.TokenType.COLUMN": {"fullname": "sqlglot.tokens.TokenType.COLUMN", "modulename": "sqlglot.tokens", "qualname": "TokenType.COLUMN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.COLUMN: 'COLUMN'>"}, "sqlglot.tokens.TokenType.COLUMN_DEF": {"fullname": "sqlglot.tokens.TokenType.COLUMN_DEF", "modulename": "sqlglot.tokens", "qualname": "TokenType.COLUMN_DEF", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.COLUMN_DEF: 'COLUMN_DEF'>"}, "sqlglot.tokens.TokenType.SCHEMA": {"fullname": "sqlglot.tokens.TokenType.SCHEMA", "modulename": "sqlglot.tokens", "qualname": "TokenType.SCHEMA", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SCHEMA: 'SCHEMA'>"}, "sqlglot.tokens.TokenType.TABLE": {"fullname": "sqlglot.tokens.TokenType.TABLE", "modulename": "sqlglot.tokens", "qualname": "TokenType.TABLE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TABLE: 'TABLE'>"}, "sqlglot.tokens.TokenType.VAR": {"fullname": "sqlglot.tokens.TokenType.VAR", "modulename": "sqlglot.tokens", "qualname": "TokenType.VAR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.VAR: 'VAR'>"}, "sqlglot.tokens.TokenType.BIT_STRING": {"fullname": "sqlglot.tokens.TokenType.BIT_STRING", "modulename": "sqlglot.tokens", "qualname": "TokenType.BIT_STRING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BIT_STRING: 'BIT_STRING'>"}, "sqlglot.tokens.TokenType.HEX_STRING": {"fullname": "sqlglot.tokens.TokenType.HEX_STRING", "modulename": "sqlglot.tokens", "qualname": "TokenType.HEX_STRING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.HEX_STRING: 'HEX_STRING'>"}, "sqlglot.tokens.TokenType.BYTE_STRING": {"fullname": "sqlglot.tokens.TokenType.BYTE_STRING", "modulename": "sqlglot.tokens", "qualname": "TokenType.BYTE_STRING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BYTE_STRING: 'BYTE_STRING'>"}, "sqlglot.tokens.TokenType.BIT": {"fullname": "sqlglot.tokens.TokenType.BIT", "modulename": "sqlglot.tokens", "qualname": "TokenType.BIT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BIT: 'BIT'>"}, "sqlglot.tokens.TokenType.BOOLEAN": {"fullname": "sqlglot.tokens.TokenType.BOOLEAN", "modulename": "sqlglot.tokens", "qualname": "TokenType.BOOLEAN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BOOLEAN: 'BOOLEAN'>"}, "sqlglot.tokens.TokenType.TINYINT": {"fullname": "sqlglot.tokens.TokenType.TINYINT", "modulename": "sqlglot.tokens", "qualname": "TokenType.TINYINT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TINYINT: 'TINYINT'>"}, "sqlglot.tokens.TokenType.UTINYINT": {"fullname": "sqlglot.tokens.TokenType.UTINYINT", "modulename": "sqlglot.tokens", "qualname": "TokenType.UTINYINT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UTINYINT: 'UTINYINT'>"}, "sqlglot.tokens.TokenType.SMALLINT": {"fullname": "sqlglot.tokens.TokenType.SMALLINT", "modulename": "sqlglot.tokens", "qualname": "TokenType.SMALLINT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SMALLINT: 'SMALLINT'>"}, "sqlglot.tokens.TokenType.USMALLINT": {"fullname": "sqlglot.tokens.TokenType.USMALLINT", "modulename": "sqlglot.tokens", "qualname": "TokenType.USMALLINT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.USMALLINT: 'USMALLINT'>"}, "sqlglot.tokens.TokenType.INT": {"fullname": "sqlglot.tokens.TokenType.INT", "modulename": "sqlglot.tokens", "qualname": "TokenType.INT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.INT: 'INT'>"}, "sqlglot.tokens.TokenType.UINT": {"fullname": "sqlglot.tokens.TokenType.UINT", "modulename": "sqlglot.tokens", "qualname": "TokenType.UINT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UINT: 'UINT'>"}, "sqlglot.tokens.TokenType.BIGINT": {"fullname": "sqlglot.tokens.TokenType.BIGINT", "modulename": "sqlglot.tokens", "qualname": "TokenType.BIGINT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BIGINT: 'BIGINT'>"}, "sqlglot.tokens.TokenType.UBIGINT": {"fullname": "sqlglot.tokens.TokenType.UBIGINT", "modulename": "sqlglot.tokens", "qualname": "TokenType.UBIGINT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UBIGINT: 'UBIGINT'>"}, "sqlglot.tokens.TokenType.FLOAT": {"fullname": "sqlglot.tokens.TokenType.FLOAT", "modulename": "sqlglot.tokens", "qualname": "TokenType.FLOAT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.FLOAT: 'FLOAT'>"}, "sqlglot.tokens.TokenType.DOUBLE": {"fullname": "sqlglot.tokens.TokenType.DOUBLE", "modulename": "sqlglot.tokens", "qualname": "TokenType.DOUBLE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DOUBLE: 'DOUBLE'>"}, "sqlglot.tokens.TokenType.DECIMAL": {"fullname": "sqlglot.tokens.TokenType.DECIMAL", "modulename": "sqlglot.tokens", "qualname": "TokenType.DECIMAL", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.DECIMAL: 'DECIMAL'>"}, "sqlglot.tokens.TokenType.BIGDECIMAL": {"fullname": "sqlglot.tokens.TokenType.BIGDECIMAL", "modulename": "sqlglot.tokens", "qualname": "TokenType.BIGDECIMAL", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BIGDECIMAL: 'BIGDECIMAL'>"}, "sqlglot.tokens.TokenType.CHAR": {"fullname": "sqlglot.tokens.TokenType.CHAR", "modulename": "sqlglot.tokens", "qualname": "TokenType.CHAR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.CHAR: 'CHAR'>"}, "sqlglot.tokens.TokenType.NCHAR": {"fullname": "sqlglot.tokens.TokenType.NCHAR", "modulename": "sqlglot.tokens", "qualname": "TokenType.NCHAR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NCHAR: 'NCHAR'>"}, "sqlglot.tokens.TokenType.VARCHAR": {"fullname": "sqlglot.tokens.TokenType.VARCHAR", "modulename": "sqlglot.tokens", "qualname": "TokenType.VARCHAR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.VARCHAR: 'VARCHAR'>"}, "sqlglot.tokens.TokenType.NVARCHAR": {"fullname": "sqlglot.tokens.TokenType.NVARCHAR", "modulename": "sqlglot.tokens", "qualname": "TokenType.NVARCHAR", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NVARCHAR: 'NVARCHAR'>"}, "sqlglot.tokens.TokenType.TEXT": {"fullname": "sqlglot.tokens.TokenType.TEXT", "modulename": "sqlglot.tokens", "qualname": "TokenType.TEXT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TEXT: 'TEXT'>"}, "sqlglot.tokens.TokenType.MEDIUMTEXT": {"fullname": "sqlglot.tokens.TokenType.MEDIUMTEXT", "modulename": "sqlglot.tokens", "qualname": "TokenType.MEDIUMTEXT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>"}, "sqlglot.tokens.TokenType.LONGTEXT": {"fullname": "sqlglot.tokens.TokenType.LONGTEXT", "modulename": "sqlglot.tokens", "qualname": "TokenType.LONGTEXT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LONGTEXT: 'LONGTEXT'>"}, "sqlglot.tokens.TokenType.MEDIUMBLOB": {"fullname": "sqlglot.tokens.TokenType.MEDIUMBLOB", "modulename": "sqlglot.tokens", "qualname": "TokenType.MEDIUMBLOB", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>"}, "sqlglot.tokens.TokenType.LONGBLOB": {"fullname": "sqlglot.tokens.TokenType.LONGBLOB", "modulename": "sqlglot.tokens", "qualname": "TokenType.LONGBLOB", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.LONGBLOB: 'LONGBLOB'>"}, "sqlglot.tokens.TokenType.BINARY": {"fullname": "sqlglot.tokens.TokenType.BINARY", "modulename": "sqlglot.tokens", "qualname": "TokenType.BINARY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.BINARY: 'BINARY'>"}, "sqlglot.tokens.TokenType.VARBINARY": {"fullname": "sqlglot.tokens.TokenType.VARBINARY", "modulename": "sqlglot.tokens", "qualname": "TokenType.VARBINARY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.VARBINARY: 'VARBINARY'>"}, "sqlglot.tokens.TokenType.JSON": {"fullname": "sqlglot.tokens.TokenType.JSON", "modulename": "sqlglot.tokens", "qualname": "TokenType.JSON", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.JSON: 'JSON'>"}, "sqlglot.tokens.TokenType.JSONB": {"fullname": "sqlglot.tokens.TokenType.JSONB", "modulename": "sqlglot.tokens", "qualname": "TokenType.JSONB", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.JSONB: 'JSONB'>"}, "sqlglot.tokens.TokenType.TIME": {"fullname": "sqlglot.tokens.TokenType.TIME", "modulename": "sqlglot.tokens", "qualname": "TokenType.TIME", "kind": "variable", "doc": "

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\n", "default_value": "<TokenType.SOME: 'SOME'>"}, "sqlglot.tokens.TokenType.SORTKEY": {"fullname": "sqlglot.tokens.TokenType.SORTKEY", "modulename": "sqlglot.tokens", "qualname": "TokenType.SORTKEY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SORTKEY: 'SORTKEY'>"}, "sqlglot.tokens.TokenType.SORT_BY": {"fullname": "sqlglot.tokens.TokenType.SORT_BY", "modulename": "sqlglot.tokens", "qualname": "TokenType.SORT_BY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SORT_BY: 'SORT_BY'>"}, "sqlglot.tokens.TokenType.STRUCT": {"fullname": "sqlglot.tokens.TokenType.STRUCT", "modulename": "sqlglot.tokens", "qualname": "TokenType.STRUCT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.STRUCT: 'STRUCT'>"}, "sqlglot.tokens.TokenType.TABLE_SAMPLE": {"fullname": "sqlglot.tokens.TokenType.TABLE_SAMPLE", "modulename": "sqlglot.tokens", "qualname": "TokenType.TABLE_SAMPLE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TABLE_SAMPLE: 'TABLE_SAMPLE'>"}, "sqlglot.tokens.TokenType.TEMPORARY": {"fullname": "sqlglot.tokens.TokenType.TEMPORARY", "modulename": "sqlglot.tokens", "qualname": "TokenType.TEMPORARY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TEMPORARY: 'TEMPORARY'>"}, "sqlglot.tokens.TokenType.TOP": {"fullname": "sqlglot.tokens.TokenType.TOP", "modulename": "sqlglot.tokens", "qualname": "TokenType.TOP", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TOP: 'TOP'>"}, "sqlglot.tokens.TokenType.THEN": {"fullname": "sqlglot.tokens.TokenType.THEN", "modulename": "sqlglot.tokens", "qualname": "TokenType.THEN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.THEN: 'THEN'>"}, "sqlglot.tokens.TokenType.TRAILING": {"fullname": "sqlglot.tokens.TokenType.TRAILING", "modulename": "sqlglot.tokens", "qualname": "TokenType.TRAILING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TRAILING: 'TRAILING'>"}, "sqlglot.tokens.TokenType.TRUE": {"fullname": "sqlglot.tokens.TokenType.TRUE", "modulename": "sqlglot.tokens", "qualname": "TokenType.TRUE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.TRUE: 'TRUE'>"}, "sqlglot.tokens.TokenType.UNBOUNDED": {"fullname": "sqlglot.tokens.TokenType.UNBOUNDED", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNBOUNDED", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNBOUNDED: 'UNBOUNDED'>"}, "sqlglot.tokens.TokenType.UNCACHE": {"fullname": "sqlglot.tokens.TokenType.UNCACHE", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNCACHE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNCACHE: 'UNCACHE'>"}, "sqlglot.tokens.TokenType.UNION": {"fullname": "sqlglot.tokens.TokenType.UNION", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNION", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNION: 'UNION'>"}, "sqlglot.tokens.TokenType.UNLOGGED": {"fullname": "sqlglot.tokens.TokenType.UNLOGGED", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNLOGGED", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNLOGGED: 'UNLOGGED'>"}, "sqlglot.tokens.TokenType.UNNEST": {"fullname": "sqlglot.tokens.TokenType.UNNEST", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNNEST", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNNEST: 'UNNEST'>"}, "sqlglot.tokens.TokenType.UNPIVOT": {"fullname": "sqlglot.tokens.TokenType.UNPIVOT", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNPIVOT", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNPIVOT: 'UNPIVOT'>"}, "sqlglot.tokens.TokenType.UPDATE": {"fullname": "sqlglot.tokens.TokenType.UPDATE", "modulename": "sqlglot.tokens", "qualname": "TokenType.UPDATE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UPDATE: 'UPDATE'>"}, "sqlglot.tokens.TokenType.USE": {"fullname": "sqlglot.tokens.TokenType.USE", "modulename": "sqlglot.tokens", "qualname": "TokenType.USE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.USE: 'USE'>"}, "sqlglot.tokens.TokenType.USING": {"fullname": "sqlglot.tokens.TokenType.USING", "modulename": "sqlglot.tokens", "qualname": "TokenType.USING", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.USING: 'USING'>"}, "sqlglot.tokens.TokenType.VALUES": {"fullname": "sqlglot.tokens.TokenType.VALUES", "modulename": "sqlglot.tokens", "qualname": "TokenType.VALUES", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.VALUES: 'VALUES'>"}, "sqlglot.tokens.TokenType.VIEW": {"fullname": "sqlglot.tokens.TokenType.VIEW", "modulename": "sqlglot.tokens", "qualname": "TokenType.VIEW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.VIEW: 'VIEW'>"}, "sqlglot.tokens.TokenType.VOLATILE": {"fullname": "sqlglot.tokens.TokenType.VOLATILE", "modulename": "sqlglot.tokens", "qualname": "TokenType.VOLATILE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.VOLATILE: 'VOLATILE'>"}, "sqlglot.tokens.TokenType.WHEN": {"fullname": "sqlglot.tokens.TokenType.WHEN", "modulename": "sqlglot.tokens", "qualname": "TokenType.WHEN", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WHEN: 'WHEN'>"}, "sqlglot.tokens.TokenType.WHERE": {"fullname": "sqlglot.tokens.TokenType.WHERE", "modulename": "sqlglot.tokens", "qualname": "TokenType.WHERE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WHERE: 'WHERE'>"}, "sqlglot.tokens.TokenType.WINDOW": {"fullname": "sqlglot.tokens.TokenType.WINDOW", "modulename": "sqlglot.tokens", "qualname": "TokenType.WINDOW", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WINDOW: 'WINDOW'>"}, "sqlglot.tokens.TokenType.WITH": {"fullname": "sqlglot.tokens.TokenType.WITH", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITH: 'WITH'>"}, "sqlglot.tokens.TokenType.WITH_TIME_ZONE": {"fullname": "sqlglot.tokens.TokenType.WITH_TIME_ZONE", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITH_TIME_ZONE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITH_TIME_ZONE: 'WITH_TIME_ZONE'>"}, "sqlglot.tokens.TokenType.WITH_LOCAL_TIME_ZONE": {"fullname": "sqlglot.tokens.TokenType.WITH_LOCAL_TIME_ZONE", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITH_LOCAL_TIME_ZONE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITH_LOCAL_TIME_ZONE: 'WITH_LOCAL_TIME_ZONE'>"}, "sqlglot.tokens.TokenType.WITHIN_GROUP": {"fullname": "sqlglot.tokens.TokenType.WITHIN_GROUP", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITHIN_GROUP", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITHIN_GROUP: 'WITHIN_GROUP'>"}, "sqlglot.tokens.TokenType.WITHOUT_TIME_ZONE": {"fullname": "sqlglot.tokens.TokenType.WITHOUT_TIME_ZONE", "modulename": "sqlglot.tokens", "qualname": "TokenType.WITHOUT_TIME_ZONE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.WITHOUT_TIME_ZONE: 'WITHOUT_TIME_ZONE'>"}, "sqlglot.tokens.TokenType.UNIQUE": {"fullname": "sqlglot.tokens.TokenType.UNIQUE", "modulename": "sqlglot.tokens", "qualname": "TokenType.UNIQUE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UNIQUE: 'UNIQUE'>"}, "sqlglot.tokens.Token": {"fullname": "sqlglot.tokens.Token", "modulename": "sqlglot.tokens", "qualname": "Token", "kind": "class", "doc": "

\n"}, "sqlglot.tokens.Token.__init__": {"fullname": "sqlglot.tokens.Token.__init__", "modulename": "sqlglot.tokens", "qualname": "Token.__init__", "kind": "function", "doc": "

\n", "signature": "(\ttoken_type: sqlglot.tokens.TokenType,\ttext: str,\tline: int = 1,\tcol: int = 1,\tend: int = 0,\tcomments: List[str] = [])"}, "sqlglot.tokens.Token.number": {"fullname": "sqlglot.tokens.Token.number", "modulename": "sqlglot.tokens", "qualname": "Token.number", "kind": "function", "doc": "

Returns a NUMBER token with number as its text.

\n", "signature": "(cls, number: int) -> sqlglot.tokens.Token:", "funcdef": "def"}, "sqlglot.tokens.Token.string": {"fullname": "sqlglot.tokens.Token.string", "modulename": "sqlglot.tokens", "qualname": "Token.string", "kind": "function", "doc": "

Returns a STRING token with string as its text.

\n", "signature": "(cls, string: str) -> sqlglot.tokens.Token:", "funcdef": "def"}, "sqlglot.tokens.Token.identifier": {"fullname": "sqlglot.tokens.Token.identifier", "modulename": "sqlglot.tokens", "qualname": "Token.identifier", "kind": "function", "doc": "

Returns an IDENTIFIER token with identifier as its text.

\n", "signature": "(cls, identifier: str) -> sqlglot.tokens.Token:", "funcdef": "def"}, "sqlglot.tokens.Token.var": {"fullname": "sqlglot.tokens.Token.var", "modulename": "sqlglot.tokens", "qualname": "Token.var", "kind": "function", "doc": "

Returns an VAR token with var as its text.

\n", "signature": "(cls, var: str) -> sqlglot.tokens.Token:", "funcdef": "def"}, "sqlglot.tokens.Token.start": {"fullname": "sqlglot.tokens.Token.start", "modulename": "sqlglot.tokens", "qualname": "Token.start", "kind": "variable", "doc": "

Returns the start of the token.

\n", "annotation": ": int"}, "sqlglot.tokens.Tokenizer": {"fullname": "sqlglot.tokens.Tokenizer", "modulename": "sqlglot.tokens", "qualname": "Tokenizer", "kind": "class", "doc": "

\n"}, "sqlglot.tokens.Tokenizer.reset": {"fullname": "sqlglot.tokens.Tokenizer.reset", "modulename": "sqlglot.tokens", "qualname": "Tokenizer.reset", "kind": "function", "doc": "

\n", "signature": "(self) -> None:", "funcdef": "def"}, "sqlglot.tokens.Tokenizer.tokenize": {"fullname": "sqlglot.tokens.Tokenizer.tokenize", "modulename": "sqlglot.tokens", "qualname": "Tokenizer.tokenize", "kind": "function", "doc": "

Returns a list of tokens corresponding to the SQL string sql.

\n", "signature": "(self, sql: str) -> List[sqlglot.tokens.Token]:", "funcdef": "def"}, "sqlglot.transforms": {"fullname": "sqlglot.transforms", "modulename": "sqlglot.transforms", "kind": "module", "doc": "

\n"}, "sqlglot.transforms.unalias_group": {"fullname": "sqlglot.transforms.unalias_group", "modulename": "sqlglot.transforms", "qualname": "unalias_group", "kind": "function", "doc": "

Replace references to select aliases in GROUP BY clauses.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> sqlglot.parse_one("SELECT a AS b FROM x GROUP BY b").transform(unalias_group).sql()\n'SELECT a AS b FROM x GROUP BY 1'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression: the expression that will be transformed.
    • \n
\n\n
Returns:
\n\n
\n

The transformed expression.

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.eliminate_distinct_on": {"fullname": "sqlglot.transforms.eliminate_distinct_on", "modulename": "sqlglot.transforms", "qualname": "eliminate_distinct_on", "kind": "function", "doc": "

Convert SELECT DISTINCT ON statements to a subquery with a window function.

\n\n

This is useful for dialects that don't support SELECT DISTINCT ON but support window functions.

\n\n
Arguments:
\n\n
    \n
  • expression: the expression that will be transformed.
    • \n
\n\n
Returns:
\n\n
\n

The transformed expression.

\n
\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.eliminate_qualify": {"fullname": "sqlglot.transforms.eliminate_qualify", "modulename": "sqlglot.transforms", "qualname": "eliminate_qualify", "kind": "function", "doc": "

Convert SELECT statements that contain the QUALIFY clause into subqueries, filtered equivalently.

\n\n

The idea behind this transformation can be seen in Snowflake's documentation for QUALIFY:\nhttps://docs.snowflake.com/en/sql-reference/constructs/qualify

\n\n

Some dialects don't support window functions in the WHERE clause, so we need to include them as\nprojections in the subquery, in order to refer to them in the outer filter using aliases. Also,\nif a column is referenced in the QUALIFY clause but is not selected, we need to include it too,\notherwise we won't be able to refer to it in the outer query's WHERE clause.

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.remove_precision_parameterized_types": {"fullname": "sqlglot.transforms.remove_precision_parameterized_types", "modulename": "sqlglot.transforms", "qualname": "remove_precision_parameterized_types", "kind": "function", "doc": "

Some dialects only allow the precision for parameterized types to be defined in the DDL and not in\nother expressions. This transforms removes the precision from parameterized types in expressions.

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.unnest_to_explode": {"fullname": "sqlglot.transforms.unnest_to_explode", "modulename": "sqlglot.transforms", "qualname": "unnest_to_explode", "kind": "function", "doc": "

Convert cross join unnest into lateral view explode (used in presto -> hive).

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.explode_to_unnest": {"fullname": "sqlglot.transforms.explode_to_unnest", "modulename": "sqlglot.transforms", "qualname": "explode_to_unnest", "kind": "function", "doc": "

Convert explode/posexplode into unnest (used in hive -> presto).

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.remove_target_from_merge": {"fullname": "sqlglot.transforms.remove_target_from_merge", "modulename": "sqlglot.transforms", "qualname": "remove_target_from_merge", "kind": "function", "doc": "

Remove table refs from columns in when statements.

\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> sqlglot.expressions.Expression:", "funcdef": "def"}, "sqlglot.transforms.preprocess": {"fullname": "sqlglot.transforms.preprocess", "modulename": "sqlglot.transforms", "qualname": "preprocess", "kind": "function", "doc": "

Creates a new transform by chaining a sequence of transformations and converts the resulting\nexpression to SQL, using an appropriate Generator.TRANSFORMS function.

\n\n
Arguments:
\n\n
    \n
  • transforms: sequence of transform functions. These will be called in order.
    • \n
\n\n
Returns:
\n\n
\n

Function that can be used as a generator transform.

\n
\n", "signature": "(\ttransforms: List[Callable[[sqlglot.expressions.Expression], sqlglot.expressions.Expression]]) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:", "funcdef": "def"}, "sqlglot.trie": {"fullname": "sqlglot.trie", "modulename": "sqlglot.trie", "kind": "module", "doc": "

\n"}, "sqlglot.trie.new_trie": {"fullname": "sqlglot.trie.new_trie", "modulename": "sqlglot.trie", "qualname": "new_trie", "kind": "function", "doc": "

Creates a new trie out of a collection of keywords.

\n\n

The trie is represented as a sequence of nested dictionaries keyed by either single character\nstrings, or by 0, which is used to designate that a keyword is in the trie.

\n\n
Example:
\n\n
\n
\n
>>> new_trie(["bla", "foo", "blab"])\n{'b': {'l': {'a': {0: True, 'b': {0: True}}}}, 'f': {'o': {'o': {0: True}}}}\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • keywords: the keywords to create the trie from.
    • \n
  • trie: a trie to mutate instead of creating a new one
    • \n
\n\n
Returns:
\n\n
\n

The trie corresponding to keywords.

\n
\n", "signature": "(\tkeywords: Iterable[Sequence[Hashable]],\ttrie: Optional[Dict] = None) -> Dict:", "funcdef": "def"}, "sqlglot.trie.in_trie": {"fullname": "sqlglot.trie.in_trie", "modulename": "sqlglot.trie", "qualname": "in_trie", "kind": "function", "doc": "

Checks whether a key is in a trie.

\n\n
Examples:
\n\n
\n
\n
>>> in_trie(new_trie(["cat"]), "bob")\n(0, {'c': {'a': {'t': {0: True}}}})\n
\n
\n \n
\n
>>> in_trie(new_trie(["cat"]), "ca")\n(1, {'t': {0: True}})\n
\n
\n \n
\n
>>> in_trie(new_trie(["cat"]), "cat")\n(2, {0: True})\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • trie: the trie to be searched.
    • \n
  • key: the target key.
    • \n
\n\n
Returns:
\n\n
\n

A pair (value, subtrie), where subtrie is the sub-trie we get at the point where the search stops, and value\n is either 0 (search was unsuccessful), 1 (value is a prefix of a keyword in trie) or 2 (key is intrie`).

\n
\n", "signature": "(trie: Dict, key: Sequence[Hashable]) -> Tuple[int, Dict]:", "funcdef": "def"}}, "docInfo": {"sqlglot": {"qualname": 0, "fullname": 1, "annotation": 0, "default_value": 0, "signature": 0, "bases": 0, "doc": 5691}, "sqlglot.pretty": {"qualname": 1, "fullname": 2, "annotation": 0, "default_value": 1, "signature": 0, "bases": 0, "doc": 10}, "sqlglot.schema": {"qualname": 0, "fullname": 2, "annotation": 0, "default_value": 0, "signature": 0, "bases": 0, "doc": 3}, "sqlglot.parse": {"qualname": 1, "fullname": 2, "annotation": 0, "default_value": 0, "signature": 124, "bases": 0, "doc": 84}, "sqlglot.parse_one": {"qualname": 2, "fullname": 3, "annotation": 0, "default_value": 0, "signature": 198, "bases": 0, "doc": 99}, "sqlglot.transpile": {"qualname": 1, "fullname": 2, "annotation": 0, "default_value": 0, "signature": 239, "bases": 0, "doc": 177}, "sqlglot.dataframe": {"qualname": 0, "fullname": 2, "annotation": 0, "default_value": 0, "signature": 0, "bases": 0, "doc": 3543}, "sqlglot.dataframe.sql": {"qualname": 0, "fullname": 3, "annotation": 0, "default_value": 0, "signature": 0, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.SparkSession": {"qualname": 1, "fullname": 4, "annotation": 0, "default_value": 0, "signature": 0, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.SparkSession.table": {"qualname": 2, "fullname": 5, "annotation": 0, "default_value": 0, "signature": 44, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.SparkSession.createDataFrame": {"qualname": 2, "fullname": 5, "annotation": 0, "default_value": 0, "signature": 208, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.SparkSession.sql": {"qualname": 2, "fullname": 5, "annotation": 0, "default_value": 0, "signature": 44, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.DataFrame": {"qualname": 1, "fullname": 4, "annotation": 0, "default_value": 0, "signature": 0, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.DataFrame.__init__": {"qualname": 3, "fullname": 6, "annotation": 0, "default_value": 0, "signature": 259, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.DataFrame.sql": {"qualname": 2, "fullname": 5, "annotation": 0, "default_value": 0, "signature": 51, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.DataFrame.copy": {"qualname": 2, "fullname": 5, "annotation": 0, "default_value": 0, "signature": 41, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.DataFrame.select": {"qualname": 2, "fullname": 5, "annotation": 0, "default_value": 0, "signature": 48, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.DataFrame.alias": {"qualname": 2, "fullname": 5, "annotation": 0, "default_value": 0, "signature": 51, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.DataFrame.where": {"qualname": 2, "fullname": 5, "annotation": 0, "default_value": 0, "signature": 86, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.DataFrame.filter": {"qualname": 2, "fullname": 5, "annotation": 0, "default_value": 0, "signature": 86, "bases": 0, "doc": 3}, "sqlglot.dataframe.sql.DataFrame.groupBy": {"qualname": 2, 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"sqlglot.dialects.redshift.Redshift.Generator": {"tf": 1}, "sqlglot.dialects.snowflake.Snowflake.Generator": {"tf": 1}, "sqlglot.dialects.spark.Spark.Generator": {"tf": 1}, "sqlglot.dialects.spark2.Spark2.Generator": {"tf": 1}, "sqlglot.dialects.sqlite.SQLite.Generator": {"tf": 1}, "sqlglot.dialects.starrocks.StarRocks.Generator": {"tf": 1}, "sqlglot.dialects.tableau.Tableau.Generator": {"tf": 1}, "sqlglot.dialects.teradata.Teradata.Generator": {"tf": 1}, "sqlglot.dialects.trino.Trino.Generator": {"tf": 1}, "sqlglot.dialects.tsql.TSQL.Generator": {"tf": 1}, "sqlglot.diff": {"tf": 1}, "sqlglot.executor.python.Python.Generator": {"tf": 1}, "sqlglot.expressions.Expression": {"tf": 1.7320508075688772}, "sqlglot.generator.Generator": {"tf": 1}}, "df": 25}, "e": {"docs": {}, "df": 0, "r": {"docs": {}, "df": 0, "r": {"docs": {}, "df": 0, "o": {"docs": {}, "df": 0, "r": {"docs": {"sqlglot.executor.table.Tables": {"tf": 1}, "sqlglot.schema.AbstractMappingSchema": {"tf": 1}}, "df": 2}}}}, "d": {"docs": {"sqlglot.trie.new_trie": {"tf": 1}}, "df": 1}}}, "r": {"docs": {}, "df": 0, "n": {"docs": {}, "df": 0, "e": {"docs": {}, "df": 0, "l": {"docs": {}, "df": 0, "s": {"docs": {"sqlglot": {"tf": 1}}, "df": 1}}}}}, "p": {"docs": {}, "df": 0, "t": {"docs": {"sqlglot.optimizer.scope.Scope.replace": {"tf": 1}}, "df": 1}}}, "a": {"docs": {}, "df": 0, "t": {"docs": {}, "df": 0, "e": {"docs": {"sqlglot.dataframe": {"tf": 1.7320508075688772}}, "df": 1}}}, "i": {"docs": {}, "df": 0, "n": {"docs": {}, "df": 0, "d": {"docs": {"sqlglot.diff": {"tf": 1}}, "df": 1, "s": {"docs": {"sqlglot.diff": {"tf": 1}}, "df": 1}}}}, "n": {"docs": {}, "df": 0, "o": {"docs": {}, "df": 0, "w": {"docs": {"sqlglot.diff": {"tf": 1}, "sqlglot.optimizer.eliminate_joins.eliminate_joins": {"tf": 1}, "sqlglot.optimizer.optimizer.optimize": {"tf": 1}}, "df": 3, "l": {"docs": {}, "df": 0, "e": {"docs": {}, "df": 0, "d": {"docs": {}, "df": 0, "g": {"docs": {}, "df": 0, "e": {"docs": {"sqlglot.diff": {"tf": 1}}, "df": 1}}}}}, "n": {"docs": {"sqlglot.diff.diff": {"tf": 1}}, "df": 1}}}}, "t": {"docs": {"sqlglot.executor.table.Tables": {"tf": 1.4142135623730951}, "sqlglot.schema.AbstractMappingSchema": {"tf": 1.4142135623730951}}, "df": 2}, "w": {"docs": {}, "df": 0, "a": {"docs": {}, "df": 0, "r": {"docs": {}, "df": 0, "g": {"docs": {"sqlglot.expressions.Kwarg": {"tf": 1.4142135623730951}}, "df": 1, "s": {"docs": {"sqlglot.expressions.Condition.and_": {"tf": 1}, "sqlglot.expressions.Condition.or_": {"tf": 1}, "sqlglot.expressions.Unionable.union": {"tf": 1}, "sqlglot.expressions.Unionable.intersect": {"tf": 1}, "sqlglot.expressions.Unionable.except_": {"tf": 1}, "sqlglot.expressions.Join.on": {"tf": 1}, "sqlglot.expressions.Join.using": {"tf": 1}, "sqlglot.expressions.Subqueryable.with_": {"tf": 1}, "sqlglot.expressions.Union.limit": {"tf": 1}, "sqlglot.expressions.Select.from_": {"tf": 1}, "sqlglot.expressions.Select.group_by": {"tf": 1}, "sqlglot.expressions.Select.order_by": {"tf": 1}, "sqlglot.expressions.Select.sort_by": {"tf": 1}, "sqlglot.expressions.Select.cluster_by": {"tf": 1}, "sqlglot.expressions.Select.limit": {"tf": 1}, "sqlglot.expressions.Select.offset": {"tf": 1}, "sqlglot.expressions.Select.lateral": {"tf": 1}, "sqlglot.expressions.Select.join": {"tf": 1}, "sqlglot.expressions.Select.where": {"tf": 1}, "sqlglot.expressions.Select.having": {"tf": 1}, "sqlglot.expressions.Select.ctas": {"tf": 1}, "sqlglot.expressions.union": {"tf": 1}, "sqlglot.expressions.intersect": {"tf": 1}, "sqlglot.expressions.except_": {"tf": 1}, "sqlglot.expressions.replace_placeholders": {"tf": 1}, "sqlglot.expressions.func": {"tf": 1.7320508075688772}, "sqlglot.optimizer.optimizer.optimize": {"tf": 1.4142135623730951}, "sqlglot.parser.Parser.expression": {"tf": 1}}, "df": 28}}}}}}}}}, "pipeline": ["trimmer"], "_isPrebuiltIndex": true}; // mirrored in build-search-index.js (part 1) // Also split on html tags. this is a cheap heuristic, but good enough. diff --git a/docs/sqlglot.html b/docs/sqlglot.html index 8c37b8d..1bbf2ae 100644 --- a/docs/sqlglot.html +++ b/docs/sqlglot.html @@ -673,168 +673,171 @@ 21 Expression as Expression, 22 alias_ as alias, 23 and_ as and_, - 24 column as column, - 25 condition as condition, - 26 except_ as except_, - 27 from_ as from_, - 28 intersect as intersect, - 29 maybe_parse as maybe_parse, - 30 not_ as not_, - 31 or_ as or_, - 32 select as select, - 33 subquery as subquery, - 34 table_ as table, - 35 to_column as to_column, - 36 to_table as to_table, - 37 union as union, - 38) - 39from sqlglot.generator import Generator as Generator - 40from sqlglot.parser import Parser as Parser - 41from sqlglot.schema import MappingSchema as MappingSchema, Schema as Schema - 42from sqlglot.tokens import Tokenizer as Tokenizer, TokenType as TokenType - 43 - 44if t.TYPE_CHECKING: - 45 from sqlglot.dialects.dialect import DialectType as DialectType + 24 cast as cast, + 25 column as column, + 26 condition as condition, + 27 except_ as except_, + 28 from_ as from_, + 29 func as func, + 30 intersect as intersect, + 31 maybe_parse as maybe_parse, + 32 not_ as not_, + 33 or_ as or_, + 34 select as select, + 35 subquery as subquery, + 36 table_ as table, + 37 to_column as to_column, + 38 to_identifier as to_identifier, + 39 to_table as to_table, + 40 union as union, + 41) + 42from sqlglot.generator import Generator as Generator + 43from sqlglot.parser import Parser as Parser + 44from sqlglot.schema import MappingSchema as MappingSchema, Schema as Schema + 45from sqlglot.tokens import Tokenizer as Tokenizer, TokenType as TokenType 46 - 47 T = t.TypeVar("T", bound=Expression) - 48 + 47if t.TYPE_CHECKING: + 48 from sqlglot.dialects.dialect import DialectType as DialectType 49 - 50__version__ = "11.6.3" + 50 T = t.TypeVar("T", bound=Expression) 51 - 52pretty = False - 53"""Whether to format generated SQL by default.""" + 52 + 53__version__ = "12.1.0" 54 - 55schema = MappingSchema() - 56"""The default schema used by SQLGlot (e.g. in the optimizer).""" + 55pretty = False + 56"""Whether to format generated SQL by default.""" 57 - 58 - 59def parse(sql: str, read: DialectType = None, **opts) -> t.List[t.Optional[Expression]]: - 60 """ - 61 Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement. - 62 - 63 Args: - 64 sql: the SQL code string to parse. - 65 read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql"). - 66 **opts: other `sqlglot.parser.Parser` options. - 67 - 68 Returns: - 69 The resulting syntax tree collection. - 70 """ - 71 dialect = Dialect.get_or_raise(read)() - 72 return dialect.parse(sql, **opts) - 73 - 74 - 75@t.overload - 76def parse_one( - 77 sql: str, - 78 read: None = None, - 79 into: t.Type[T] = ..., - 80 **opts, - 81) -> T: - 82 ... - 83 - 84 - 85@t.overload - 86def parse_one( - 87 sql: str, - 88 read: DialectType, - 89 into: t.Type[T], - 90 **opts, - 91) -> T: - 92 ... - 93 - 94 - 95@t.overload - 96def parse_one( - 97 sql: str, - 98 read: None = None, - 99 into: t.Union[str, t.Collection[t.Union[str, t.Type[Expression]]]] = ..., -100 **opts, -101) -> Expression: -102 ... -103 -104 -105@t.overload -106def parse_one( -107 sql: str, -108 read: DialectType, -109 into: t.Union[str, t.Collection[t.Union[str, t.Type[Expression]]]], -110 **opts, -111) -> Expression: -112 ... -113 -114 -115@t.overload -116def parse_one( -117 sql: str, -118 **opts, -119) -> Expression: -120 ... -121 -122 -123def parse_one( -124 sql: str, -125 read: DialectType = None, -126 into: t.Optional[exp.IntoType] = None, -127 **opts, -128) -> Expression: -129 """ -130 Parses the given SQL string and returns a syntax tree for the first parsed SQL statement. -131 -132 Args: -133 sql: the SQL code string to parse. -134 read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql"). -135 into: the SQLGlot Expression to parse into. -136 **opts: other `sqlglot.parser.Parser` options. -137 -138 Returns: -139 The syntax tree for the first parsed statement. -140 """ -141 -142 dialect = Dialect.get_or_raise(read)() -143 -144 if into: -145 result = dialect.parse_into(into, sql, **opts) -146 else: -147 result = dialect.parse(sql, **opts) -148 -149 for expression in result: -150 if not expression: -151 raise ParseError(f"No expression was parsed from '{sql}'") -152 return expression -153 else: -154 raise ParseError(f"No expression was parsed from '{sql}'") -155 -156 -157def transpile( -158 sql: str, -159 read: DialectType = None, -160 write: DialectType = None, -161 identity: bool = True, -162 error_level: t.Optional[ErrorLevel] = None, -163 **opts, -164) -> t.List[str]: -165 """ -166 Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed -167 to conform to the target dialect. Each string in the returned list represents a single transformed SQL statement. -168 -169 Args: -170 sql: the SQL code string to transpile. -171 read: the source dialect used to parse the input string (eg. "spark", "hive", "presto", "mysql"). -172 write: the target dialect into which the input should be transformed (eg. "spark", "hive", "presto", "mysql"). -173 identity: if set to `True` and if the target dialect is not specified the source dialect will be used as both: -174 the source and the target dialect. -175 error_level: the desired error level of the parser. -176 **opts: other `sqlglot.generator.Generator` options. -177 -178 Returns: -179 The list of transpiled SQL statements. -180 """ -181 write = write or read if identity else write -182 return [ -183 Dialect.get_or_raise(write)().generate(expression, **opts) -184 for expression in parse(sql, read, error_level=error_level) -185 ] + 58schema = MappingSchema() + 59"""The default schema used by SQLGlot (e.g. in the optimizer).""" + 60 + 61 + 62def parse(sql: str, read: DialectType = None, **opts) -> t.List[t.Optional[Expression]]: + 63 """ + 64 Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement. + 65 + 66 Args: + 67 sql: the SQL code string to parse. + 68 read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql"). + 69 **opts: other `sqlglot.parser.Parser` options. + 70 + 71 Returns: + 72 The resulting syntax tree collection. + 73 """ + 74 dialect = Dialect.get_or_raise(read)() + 75 return dialect.parse(sql, **opts) + 76 + 77 + 78@t.overload + 79def parse_one( + 80 sql: str, + 81 read: None = None, + 82 into: t.Type[T] = ..., + 83 **opts, + 84) -> T: + 85 ... + 86 + 87 + 88@t.overload + 89def parse_one( + 90 sql: str, + 91 read: DialectType, + 92 into: t.Type[T], + 93 **opts, + 94) -> T: + 95 ... + 96 + 97 + 98@t.overload + 99def parse_one( +100 sql: str, +101 read: None = None, +102 into: t.Union[str, t.Collection[t.Union[str, t.Type[Expression]]]] = ..., +103 **opts, +104) -> Expression: +105 ... +106 +107 +108@t.overload +109def parse_one( +110 sql: str, +111 read: DialectType, +112 into: t.Union[str, t.Collection[t.Union[str, t.Type[Expression]]]], +113 **opts, +114) -> Expression: +115 ... +116 +117 +118@t.overload +119def parse_one( +120 sql: str, +121 **opts, +122) -> Expression: +123 ... +124 +125 +126def parse_one( +127 sql: str, +128 read: DialectType = None, +129 into: t.Optional[exp.IntoType] = None, +130 **opts, +131) -> Expression: +132 """ +133 Parses the given SQL string and returns a syntax tree for the first parsed SQL statement. +134 +135 Args: +136 sql: the SQL code string to parse. +137 read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql"). +138 into: the SQLGlot Expression to parse into. +139 **opts: other `sqlglot.parser.Parser` options. +140 +141 Returns: +142 The syntax tree for the first parsed statement. +143 """ +144 +145 dialect = Dialect.get_or_raise(read)() +146 +147 if into: +148 result = dialect.parse_into(into, sql, **opts) +149 else: +150 result = dialect.parse(sql, **opts) +151 +152 for expression in result: +153 if not expression: +154 raise ParseError(f"No expression was parsed from '{sql}'") +155 return expression +156 else: +157 raise ParseError(f"No expression was parsed from '{sql}'") +158 +159 +160def transpile( +161 sql: str, +162 read: DialectType = None, +163 write: DialectType = None, +164 identity: bool = True, +165 error_level: t.Optional[ErrorLevel] = None, +166 **opts, +167) -> t.List[str]: +168 """ +169 Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed +170 to conform to the target dialect. Each string in the returned list represents a single transformed SQL statement. +171 +172 Args: +173 sql: the SQL code string to transpile. +174 read: the source dialect used to parse the input string (eg. "spark", "hive", "presto", "mysql"). +175 write: the target dialect into which the input should be transformed (eg. "spark", "hive", "presto", "mysql"). +176 identity: if set to `True` and if the target dialect is not specified the source dialect will be used as both: +177 the source and the target dialect. +178 error_level: the desired error level of the parser. +179 **opts: other `sqlglot.generator.Generator` options. +180 +181 Returns: +182 The list of transpiled SQL statements. +183 """ +184 write = write or read if identity else write +185 return [ +186 Dialect.get_or_raise(write)().generate(expression, **opts) +187 for expression in parse(sql, read, error_level=error_level) +188 ] @@ -878,20 +881,20 @@ - 
60def parse(sql: str, read: DialectType = None, **opts) -> t.List[t.Optional[Expression]]:
-61    """
-62    Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement.
-63
-64    Args:
-65        sql: the SQL code string to parse.
-66        read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").
-67        **opts: other `sqlglot.parser.Parser` options.
-68
-69    Returns:
-70        The resulting syntax tree collection.
-71    """
-72    dialect = Dialect.get_or_raise(read)()
-73    return dialect.parse(sql, **opts)
+            
63def parse(sql: str, read: DialectType = None, **opts) -> t.List[t.Optional[Expression]]:
+64    """
+65    Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement.
+66
+67    Args:
+68        sql: the SQL code string to parse.
+69        read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").
+70        **opts: other `sqlglot.parser.Parser` options.
+71
+72    Returns:
+73        The resulting syntax tree collection.
+74    """
+75    dialect = Dialect.get_or_raise(read)()
+76    return dialect.parse(sql, **opts)
 

 
 
@@ -925,38 +928,38 @@
- 
124def parse_one(
-125    sql: str,
-126    read: DialectType = None,
-127    into: t.Optional[exp.IntoType] = None,
-128    **opts,
-129) -> Expression:
-130    """
-131    Parses the given SQL string and returns a syntax tree for the first parsed SQL statement.
-132
-133    Args:
-134        sql: the SQL code string to parse.
-135        read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").
-136        into: the SQLGlot Expression to parse into.
-137        **opts: other `sqlglot.parser.Parser` options.
-138
-139    Returns:
-140        The syntax tree for the first parsed statement.
-141    """
-142
-143    dialect = Dialect.get_or_raise(read)()
-144
-145    if into:
-146        result = dialect.parse_into(into, sql, **opts)
-147    else:
-148        result = dialect.parse(sql, **opts)
-149
-150    for expression in result:
-151        if not expression:
-152            raise ParseError(f"No expression was parsed from '{sql}'")
-153        return expression
-154    else:
-155        raise ParseError(f"No expression was parsed from '{sql}'")
+            
127def parse_one(
+128    sql: str,
+129    read: DialectType = None,
+130    into: t.Optional[exp.IntoType] = None,
+131    **opts,
+132) -> Expression:
+133    """
+134    Parses the given SQL string and returns a syntax tree for the first parsed SQL statement.
+135
+136    Args:
+137        sql: the SQL code string to parse.
+138        read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").
+139        into: the SQLGlot Expression to parse into.
+140        **opts: other `sqlglot.parser.Parser` options.
+141
+142    Returns:
+143        The syntax tree for the first parsed statement.
+144    """
+145
+146    dialect = Dialect.get_or_raise(read)()
+147
+148    if into:
+149        result = dialect.parse_into(into, sql, **opts)
+150    else:
+151        result = dialect.parse(sql, **opts)
+152
+153    for expression in result:
+154        if not expression:
+155            raise ParseError(f"No expression was parsed from '{sql}'")
+156        return expression
+157    else:
+158        raise ParseError(f"No expression was parsed from '{sql}'")
 

 
 
@@ -991,35 +994,35 @@
- 
158def transpile(
-159    sql: str,
-160    read: DialectType = None,
-161    write: DialectType = None,
-162    identity: bool = True,
-163    error_level: t.Optional[ErrorLevel] = None,
-164    **opts,
-165) -> t.List[str]:
-166    """
-167    Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed
-168    to conform to the target dialect. Each string in the returned list represents a single transformed SQL statement.
-169
-170    Args:
-171        sql: the SQL code string to transpile.
-172        read: the source dialect used to parse the input string (eg. "spark", "hive", "presto", "mysql").
-173        write: the target dialect into which the input should be transformed (eg. "spark", "hive", "presto", "mysql").
-174        identity: if set to `True` and if the target dialect is not specified the source dialect will be used as both:
-175            the source and the target dialect.
-176        error_level: the desired error level of the parser.
-177        **opts: other `sqlglot.generator.Generator` options.
-178
-179    Returns:
-180        The list of transpiled SQL statements.
-181    """
-182    write = write or read if identity else write
-183    return [
-184        Dialect.get_or_raise(write)().generate(expression, **opts)
-185        for expression in parse(sql, read, error_level=error_level)
-186    ]
+            
161def transpile(
+162    sql: str,
+163    read: DialectType = None,
+164    write: DialectType = None,
+165    identity: bool = True,
+166    error_level: t.Optional[ErrorLevel] = None,
+167    **opts,
+168) -> t.List[str]:
+169    """
+170    Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed
+171    to conform to the target dialect. Each string in the returned list represents a single transformed SQL statement.
+172
+173    Args:
+174        sql: the SQL code string to transpile.
+175        read: the source dialect used to parse the input string (eg. "spark", "hive", "presto", "mysql").
+176        write: the target dialect into which the input should be transformed (eg. "spark", "hive", "presto", "mysql").
+177        identity: if set to `True` and if the target dialect is not specified the source dialect will be used as both:
+178            the source and the target dialect.
+179        error_level: the desired error level of the parser.
+180        **opts: other `sqlglot.generator.Generator` options.
+181
+182    Returns:
+183        The list of transpiled SQL statements.
+184    """
+185    write = write or read if identity else write
+186    return [
+187        Dialect.get_or_raise(write)().generate(expression, **opts)
+188        for expression in parse(sql, read, error_level=error_level)
+189    ]
 

 
 
diff --git a/docs/sqlglot/dataframe/sql.html b/docs/sqlglot/dataframe/sql.html
index a9a7f9d..81a145b 100644
--- a/docs/sqlglot/dataframe/sql.html
+++ b/docs/sqlglot/dataframe/sql.html
@@ -608,7 +608,7 @@
 

             
         def
-        createDataFrame(	self,	data: Sequence[Union[Dict[str, <MagicMock id='140377708850400'>], List[<MagicMock id='140377708850400'>], Tuple]],	schema: Optional[<MagicMock id='140377708766032'>] = None,	samplingRatio: Optional[float] = None,	verifySchema: bool = False) -> sqlglot.dataframe.sql.DataFrame:
+        createDataFrame(	self,	data: Sequence[Union[Dict[str, <MagicMock id='140482330521808'>], List[<MagicMock id='140482330521808'>], Tuple]],	schema: Optional[<MagicMock id='140482330535600'>] = None,	samplingRatio: Optional[float] = None,	verifySchema: bool = False) -> sqlglot.dataframe.sql.DataFrame:
 
                 
 
@@ -1513,7 +1513,7 @@
                                         
 

             
-        DataFrame(	spark: <MagicMock id='140377712280432'>,	expression: sqlglot.expressions.Select,	branch_id: Optional[str] = None,	sequence_id: Optional[str] = None,	last_op: sqlglot.dataframe.sql.operations.Operation = <Operation.INIT: -1>,	pending_hints: Optional[List[sqlglot.expressions.Expression]] = None,	output_expression_container: Optional[<MagicMock id='140377711871072'>] = None,	**kwargs)
+        DataFrame(	spark: <MagicMock id='140482335596384'>,	expression: sqlglot.expressions.Select,	branch_id: Optional[str] = None,	sequence_id: Optional[str] = None,	last_op: sqlglot.dataframe.sql.operations.Operation = <Operation.INIT: -1>,	pending_hints: Optional[List[sqlglot.expressions.Expression]] = None,	output_expression_container: Optional[<MagicMock id='140482335520656'>] = None,	**kwargs)
 
                 
 
@@ -2288,7 +2288,7 @@ is unlikely to come up.

                     
@operation(Operation.FROM)

 
         def
-        fillna(	self,	value: <MagicMock id='140377707652544'>,	subset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.DataFrame:
+        fillna(	self,	value: <MagicMock id='140482330974848'>,	subset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.DataFrame:
 
                 
 
@@ -2357,7 +2357,7 @@ and check if it matches the type of the value provided. If not then make it null
                     
@operation(Operation.FROM)

 
         def
-        replace(	self,	to_replace: Union[bool, int, float, str, List, Dict],	value: Union[bool, int, float, str, List, NoneType] = None,	subset: Union[Collection[<MagicMock id='140377707950480'>], <MagicMock id='140377707950480'>, NoneType] = None) -> sqlglot.dataframe.sql.DataFrame:
+        replace(	self,	to_replace: Union[bool, int, float, str, List, Dict],	value: Union[bool, int, float, str, List, NoneType] = None,	subset: Union[Collection[<MagicMock id='140482330012992'>], <MagicMock id='140482330012992'>, NoneType] = None) -> sqlglot.dataframe.sql.DataFrame:
 
                 
 
@@ -2562,7 +2562,7 @@ and check if it matches the type of the value provided. If not then make it null
                     
@operation(Operation.NO_OP)

 
         def
-        repartition(	self,	numPartitions: Union[int, <MagicMock id='140377708152048'>],	*cols: <MagicMock id='140377708084144'>) -> sqlglot.dataframe.sql.DataFrame:
+        repartition(	self,	numPartitions: Union[int, <MagicMock id='140482329596336'>],	*cols: <MagicMock id='140482329655376'>) -> sqlglot.dataframe.sql.DataFrame:
 
                 
 
@@ -3230,7 +3230,7 @@ and check if it matches the type of the value provided. If not then make it null
                                         
 

             
-        Column(	expression: Union[<MagicMock id='140377710043744'>, sqlglot.expressions.Expression, NoneType])
+        Column(	expression: Union[<MagicMock id='140482331597488'>, sqlglot.expressions.Expression, NoneType])
 
                 
 
@@ -3258,7 +3258,7 @@ and check if it matches the type of the value provided. If not then make it null
                     
@classmethod

 
         def
-        ensure_col(	cls,	value: Union[<MagicMock id='140377708259664'>, sqlglot.expressions.Expression, NoneType]):
+        ensure_col(	cls,	value: Union[<MagicMock id='140482329703328'>, sqlglot.expressions.Expression, NoneType]):
 
                 
 
@@ -3279,7 +3279,7 @@ and check if it matches the type of the value provided. If not then make it null
                     
@classmethod

 
         def
-        ensure_cols(	cls,	args: List[Union[<MagicMock id='140377708547664'>, sqlglot.expressions.Expression]]) -> List[sqlglot.dataframe.sql.Column]:
+        ensure_cols(	cls,	args: List[Union[<MagicMock id='140482330200576'>, sqlglot.expressions.Expression]]) -> List[sqlglot.dataframe.sql.Column]:
 
                 
 
@@ -3300,7 +3300,7 @@ and check if it matches the type of the value provided. If not then make it null
                     
@classmethod

 
         def
-        invoke_anonymous_function(	cls,	column: Optional[<MagicMock id='140377708420048'>],	func_name: str,	*args: Optional[<MagicMock id='140377708523584'>]) -> sqlglot.dataframe.sql.Column:
+        invoke_anonymous_function(	cls,	column: Optional[<MagicMock id='140482329857520'>],	func_name: str,	*args: Optional[<MagicMock id='140482329881584'>]) -> sqlglot.dataframe.sql.Column:
 
                 
 
@@ -3327,7 +3327,7 @@ and check if it matches the type of the value provided. If not then make it null
                     
@classmethod

 
         def
-        invoke_expression_over_column(	cls,	column: Optional[<MagicMock id='140377708376176'>],	callable_expression: Callable,	**kwargs) -> sqlglot.dataframe.sql.Column:
+        invoke_expression_over_column(	cls,	column: Optional[<MagicMock id='140482329799712'>],	callable_expression: Callable,	**kwargs) -> sqlglot.dataframe.sql.Column:
 
                 
 
@@ -3364,7 +3364,7 @@ and check if it matches the type of the value provided. If not then make it null
 

             
         def
-        binary_op(	self,	klass: Callable,	other: <MagicMock id='140377706598112'>,	**kwargs) -> sqlglot.dataframe.sql.Column:
+        binary_op(	self,	klass: Callable,	other: <MagicMock id='140482329769152'>,	**kwargs) -> sqlglot.dataframe.sql.Column:
 
                 
 
@@ -3385,7 +3385,7 @@ and check if it matches the type of the value provided. If not then make it null
 

             
         def
-        inverse_binary_op(	self,	klass: Callable,	other: <MagicMock id='140377706608240'>,	**kwargs) -> sqlglot.dataframe.sql.Column:
+        inverse_binary_op(	self,	klass: Callable,	other: <MagicMock id='140482329759984'>,	**kwargs) -> sqlglot.dataframe.sql.Column:
 
                 
 
@@ -3895,7 +3895,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

 

             
         def
-        isin(	self,	*cols: Union[<MagicMock id='140377706743696'>, Iterable[<MagicMock id='140377706743696'>]]):
+        isin(	self,	*cols: Union[<MagicMock id='140482330346256'>, Iterable[<MagicMock id='140482330346256'>]]):
 
                 
 
@@ -3916,7 +3916,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

 

             
         def
-        between(	self,	lowerBound: <MagicMock id='140377706814464'>,	upperBound: <MagicMock id='140377706852560'>) -> sqlglot.dataframe.sql.Column:
+        between(	self,	lowerBound: <MagicMock id='140482328352688'>,	upperBound: <MagicMock id='140482328407168'>) -> sqlglot.dataframe.sql.Column:
 
                 
 
@@ -3951,7 +3951,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

 

             
         def
-        over(	self,	window: <MagicMock id='140377706910272'>) -> sqlglot.dataframe.sql.Column:
+        over(	self,	window: <MagicMock id='140482328481264'>) -> sqlglot.dataframe.sql.Column:
 
                 
 
@@ -4149,7 +4149,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

                     
@classmethod

 
         def
-        partitionBy(	cls,	*cols: Union[<MagicMock id='140377707221328'>, List[<MagicMock id='140377707221328'>]]) -> sqlglot.dataframe.sql.WindowSpec:
+        partitionBy(	cls,	*cols: Union[<MagicMock id='140482328980416'>, List[<MagicMock id='140482328980416'>]]) -> sqlglot.dataframe.sql.WindowSpec:
 
                 
 
@@ -4170,7 +4170,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

                     
@classmethod

 
         def
-        orderBy(	cls,	*cols: Union[<MagicMock id='140377707360368'>, List[<MagicMock id='140377707360368'>]]) -> sqlglot.dataframe.sql.WindowSpec:
+        orderBy(	cls,	*cols: Union[<MagicMock id='140482328995408'>, List[<MagicMock id='140482328995408'>]]) -> sqlglot.dataframe.sql.WindowSpec:
 
                 
 
@@ -4395,7 +4395,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

 

             
         def
-        partitionBy(	self,	*cols: Union[<MagicMock id='140377707291568'>, List[<MagicMock id='140377707291568'>]]) -> sqlglot.dataframe.sql.WindowSpec:
+        partitionBy(	self,	*cols: Union[<MagicMock id='140482328591472'>, List[<MagicMock id='140482328591472'>]]) -> sqlglot.dataframe.sql.WindowSpec:
 
                 
 
@@ -4422,7 +4422,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

 

             
         def
-        orderBy(	self,	*cols: Union[<MagicMock id='140377707161408'>, List[<MagicMock id='140377707161408'>]]) -> sqlglot.dataframe.sql.WindowSpec:
+        orderBy(	self,	*cols: Union[<MagicMock id='140482328640480'>, List[<MagicMock id='140482328640480'>]]) -> sqlglot.dataframe.sql.WindowSpec:
 
                 
 
diff --git a/docs/sqlglot/dialects.html b/docs/sqlglot/dialects.html
index 5777d08..18e5dea 100644
--- a/docs/sqlglot/dialects.html
+++ b/docs/sqlglot/dialects.html
@@ -48,6 +48,7 @@
                     
  • redshift
    • 
                     
  • snowflake
    • 
                     
  • spark
    • 
+                    
  • spark2
    • 
                     
  • sqlite
    • 
                     
  • starrocks
    • 
                     
  • tableau
    • 
@@ -204,12 +205,13 @@ logic for some expressions; this is usually done by adding new entries to the 70from sqlglot.dialects.redshift import Redshift
 71from sqlglot.dialects.snowflake import Snowflake
 72from sqlglot.dialects.spark import Spark
-73from sqlglot.dialects.sqlite import SQLite
-74from sqlglot.dialects.starrocks import StarRocks
-75from sqlglot.dialects.tableau import Tableau
-76from sqlglot.dialects.teradata import Teradata
-77from sqlglot.dialects.trino import Trino
-78from sqlglot.dialects.tsql import TSQL
+73from sqlglot.dialects.spark2 import Spark2
+74from sqlglot.dialects.sqlite import SQLite
+75from sqlglot.dialects.starrocks import StarRocks
+76from sqlglot.dialects.tableau import Tableau
+77from sqlglot.dialects.teradata import Teradata
+78from sqlglot.dialects.trino import Trino
+79from sqlglot.dialects.tsql import TSQL
    diff --git a/docs/sqlglot/dialects/bigquery.html b/docs/sqlglot/dialects/bigquery.html index 761adb6..47969bb 100644 --- a/docs/sqlglot/dialects/bigquery.html +++ b/docs/sqlglot/dialects/bigquery.html @@ -69,6 +69,9 @@
  • intersect_op
    • +
  • + with_properties +
    • @@ -139,277 +142,294 @@ 39 40def _derived_table_values_to_unnest(self: generator.Generator, expression: exp.Values) -> str: 41 if not isinstance(expression.unnest().parent, exp.From): - 42 expression = t.cast(exp.Values, transforms.remove_precision_parameterized_types(expression)) - 43 return self.values_sql(expression) - 44 rows = [tuple_exp.expressions for tuple_exp in expression.find_all(exp.Tuple)] - 45 structs = [] - 46 for row in rows: - 47 aliases = [ - 48 exp.alias_(value, column_name) - 49 for value, column_name in zip(row, expression.args["alias"].args["columns"]) - 50 ] - 51 structs.append(exp.Struct(expressions=aliases)) - 52 unnest_exp = exp.Unnest(expressions=[exp.Array(expressions=structs)]) - 53 return self.unnest_sql(unnest_exp) - 54 + 42 return self.values_sql(expression) + 43 + 44 structs = [ + 45 exp.Struct( + 46 expressions=[ + 47 exp.alias_(value, column_name) + 48 for value, column_name in zip( + 49 t.expressions, expression.args["alias"].args["columns"] + 50 ) + 51 ] + 52 ) + 53 for t in expression.find_all(exp.Tuple) + 54 ] 55 - 56def _returnsproperty_sql(self: generator.Generator, expression: exp.ReturnsProperty) -> str: - 57 this = expression.this - 58 if isinstance(this, exp.Schema): - 59 this = f"{this.this} <{self.expressions(this)}>" - 60 else: - 61 this = self.sql(this) - 62 return f"RETURNS {this}" - 63 - 64 - 65def _create_sql(self: generator.Generator, expression: exp.Create) -> str: - 66 kind = expression.args["kind"] - 67 returns = expression.find(exp.ReturnsProperty) - 68 if kind.upper() == "FUNCTION" and returns and returns.args.get("is_table"): - 69 expression = expression.copy() - 70 expression.set("kind", "TABLE FUNCTION") - 71 if isinstance( - 72 expression.expression, - 73 ( - 74 exp.Subquery, - 75 exp.Literal, - 76 ), - 77 ): - 78 expression.set("expression", expression.expression.this) - 79 - 80 return self.create_sql(expression) - 81 - 82 return self.create_sql(expression) - 83 + 56 return self.unnest_sql(exp.Unnest(expressions=[exp.Array(expressions=structs)])) + 57 + 58 + 59def _returnsproperty_sql(self: generator.Generator, expression: exp.ReturnsProperty) -> str: + 60 this = expression.this + 61 if isinstance(this, exp.Schema): + 62 this = f"{this.this} <{self.expressions(this)}>" + 63 else: + 64 this = self.sql(this) + 65 return f"RETURNS {this}" + 66 + 67 + 68def _create_sql(self: generator.Generator, expression: exp.Create) -> str: + 69 kind = expression.args["kind"] + 70 returns = expression.find(exp.ReturnsProperty) + 71 if kind.upper() == "FUNCTION" and returns and returns.args.get("is_table"): + 72 expression = expression.copy() + 73 expression.set("kind", "TABLE FUNCTION") + 74 if isinstance( + 75 expression.expression, + 76 ( + 77 exp.Subquery, + 78 exp.Literal, + 79 ), + 80 ): + 81 expression.set("expression", expression.expression.this) + 82 + 83 return self.create_sql(expression) 84 - 85def _unqualify_unnest(expression: exp.Expression) -> exp.Expression: - 86 """Remove references to unnest table aliases since bigquery doesn't allow them. + 85 return self.create_sql(expression) + 86 87 - 88 These are added by the optimizer's qualify_column step. - 89 """ - 90 if isinstance(expression, exp.Select): - 91 unnests = { - 92 unnest.alias - 93 for unnest in expression.args.get("from", exp.From(expressions=[])).expressions - 94 if isinstance(unnest, exp.Unnest) and unnest.alias - 95 } - 96 - 97 if unnests: - 98 expression = expression.copy() + 88def _unqualify_unnest(expression: exp.Expression) -> exp.Expression: + 89 """Remove references to unnest table aliases since bigquery doesn't allow them. + 90 + 91 These are added by the optimizer's qualify_column step. + 92 """ + 93 if isinstance(expression, exp.Select): + 94 unnests = { + 95 unnest.alias + 96 for unnest in expression.args.get("from", exp.From(expressions=[])).expressions + 97 if isinstance(unnest, exp.Unnest) and unnest.alias + 98 } 99 -100 for select in expression.expressions: -101 for column in select.find_all(exp.Column): -102 if column.table in unnests: -103 column.set("table", None) -104 -105 return expression -106 +100 if unnests: +101 expression = expression.copy() +102 +103 for select in expression.expressions: +104 for column in select.find_all(exp.Column): +105 if column.table in unnests: +106 column.set("table", None) 107 -108class BigQuery(Dialect): -109 unnest_column_only = True -110 time_mapping = { -111 "%M": "%-M", -112 "%d": "%-d", -113 "%m": "%-m", -114 "%y": "%-y", -115 "%H": "%-H", -116 "%I": "%-I", -117 "%S": "%-S", -118 "%j": "%-j", -119 } -120 -121 class Tokenizer(tokens.Tokenizer): -122 QUOTES = [ -123 (prefix + quote, quote) if prefix else quote -124 for quote in ["'", '"', '"""', "'''"] -125 for prefix in ["", "r", "R"] -126 ] -127 COMMENTS = ["--", "#", ("/*", "*/")] -128 IDENTIFIERS = ["`"] -129 STRING_ESCAPES = ["\\"] -130 HEX_STRINGS = [("0x", ""), ("0X", "")] -131 -132 KEYWORDS = { -133 **tokens.Tokenizer.KEYWORDS, -134 "ANY TYPE": TokenType.VARIANT, -135 "BEGIN": TokenType.COMMAND, -136 "BEGIN TRANSACTION": TokenType.BEGIN, -137 "CURRENT_DATETIME": TokenType.CURRENT_DATETIME, -138 "DECLARE": TokenType.COMMAND, -139 "GEOGRAPHY": TokenType.GEOGRAPHY, -140 "FLOAT64": TokenType.DOUBLE, -141 "INT64": TokenType.BIGINT, -142 "NOT DETERMINISTIC": TokenType.VOLATILE, -143 "UNKNOWN": TokenType.NULL, -144 } -145 KEYWORDS.pop("DIV") -146 -147 class Parser(parser.Parser): -148 PREFIXED_PIVOT_COLUMNS = True -149 -150 LOG_BASE_FIRST = False -151 LOG_DEFAULTS_TO_LN = True -152 -153 FUNCTIONS = { -154 **parser.Parser.FUNCTIONS, # type: ignore -155 "DATE_TRUNC": lambda args: exp.DateTrunc( -156 unit=exp.Literal.string(seq_get(args, 1).name), # type: ignore -157 this=seq_get(args, 0), -158 ), -159 "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd), -160 "DATETIME_ADD": parse_date_delta_with_interval(exp.DatetimeAdd), -161 "DIV": lambda args: exp.IntDiv(this=seq_get(args, 0), expression=seq_get(args, 1)), -162 "REGEXP_CONTAINS": exp.RegexpLike.from_arg_list, -163 "REGEXP_EXTRACT": lambda args: exp.RegexpExtract( -164 this=seq_get(args, 0), -165 expression=seq_get(args, 1), -166 position=seq_get(args, 2), -167 occurrence=seq_get(args, 3), -168 group=exp.Literal.number(1) -169 if re.compile(str(seq_get(args, 1))).groups == 1 -170 else None, -171 ), -172 "TIME_ADD": parse_date_delta_with_interval(exp.TimeAdd), -173 "TIMESTAMP_ADD": parse_date_delta_with_interval(exp.TimestampAdd), -174 "DATE_SUB": parse_date_delta_with_interval(exp.DateSub), -175 "DATETIME_SUB": parse_date_delta_with_interval(exp.DatetimeSub), -176 "TIME_SUB": parse_date_delta_with_interval(exp.TimeSub), -177 "TIMESTAMP_SUB": parse_date_delta_with_interval(exp.TimestampSub), -178 "PARSE_TIMESTAMP": lambda args: exp.StrToTime( -179 this=seq_get(args, 1), format=seq_get(args, 0) -180 ), -181 } -182 -183 FUNCTION_PARSERS = { -184 **parser.Parser.FUNCTION_PARSERS, # type: ignore -185 "ARRAY": lambda self: self.expression(exp.Array, expressions=[self._parse_statement()]), -186 } -187 FUNCTION_PARSERS.pop("TRIM") -188 -189 NO_PAREN_FUNCTIONS = { -190 **parser.Parser.NO_PAREN_FUNCTIONS, # type: ignore -191 TokenType.CURRENT_DATETIME: exp.CurrentDatetime, -192 } -193 -194 NESTED_TYPE_TOKENS = { -195 *parser.Parser.NESTED_TYPE_TOKENS, # type: ignore -196 TokenType.TABLE, -197 } -198 -199 ID_VAR_TOKENS = { -200 *parser.Parser.ID_VAR_TOKENS, # type: ignore -201 TokenType.VALUES, -202 } -203 -204 PROPERTY_PARSERS = { -205 **parser.Parser.PROPERTY_PARSERS, # type: ignore -206 "NOT DETERMINISTIC": lambda self: self.expression( -207 exp.StabilityProperty, this=exp.Literal.string("VOLATILE") -208 ), -209 } -210 -211 class Generator(generator.Generator): -212 EXPLICIT_UNION = True -213 INTERVAL_ALLOWS_PLURAL_FORM = False -214 JOIN_HINTS = False -215 TABLE_HINTS = False -216 LIMIT_FETCH = "LIMIT" -217 -218 TRANSFORMS = { -219 **generator.Generator.TRANSFORMS, # type: ignore -220 **transforms.REMOVE_PRECISION_PARAMETERIZED_TYPES, # type: ignore -221 exp.ArraySize: rename_func("ARRAY_LENGTH"), -222 exp.AtTimeZone: lambda self, e: self.func( -223 "TIMESTAMP", self.func("DATETIME", e.this, e.args.get("zone")) -224 ), -225 exp.DateAdd: _date_add_sql("DATE", "ADD"), -226 exp.DateSub: _date_add_sql("DATE", "SUB"), -227 exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"), -228 exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"), -229 exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})", -230 exp.DateStrToDate: datestrtodate_sql, -231 exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")), -232 exp.GroupConcat: rename_func("STRING_AGG"), -233 exp.ILike: no_ilike_sql, -234 exp.IntDiv: rename_func("DIV"), -235 exp.Max: max_or_greatest, -236 exp.Min: min_or_least, -237 exp.Select: transforms.preprocess([_unqualify_unnest]), -238 exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})", -239 exp.TimeAdd: _date_add_sql("TIME", "ADD"), -240 exp.TimeSub: _date_add_sql("TIME", "SUB"), -241 exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"), -242 exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"), -243 exp.TimeStrToTime: timestrtotime_sql, -244 exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"), -245 exp.TsOrDsAdd: _date_add_sql("DATE", "ADD"), -246 exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}", -247 exp.VariancePop: rename_func("VAR_POP"), -248 exp.Values: _derived_table_values_to_unnest, -249 exp.ReturnsProperty: _returnsproperty_sql, -250 exp.Create: _create_sql, -251 exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression), -252 exp.StabilityProperty: lambda self, e: f"DETERMINISTIC" -253 if e.name == "IMMUTABLE" -254 else "NOT DETERMINISTIC", -255 exp.RegexpLike: rename_func("REGEXP_CONTAINS"), -256 } -257 -258 TYPE_MAPPING = { -259 **generator.Generator.TYPE_MAPPING, # type: ignore -260 exp.DataType.Type.BIGDECIMAL: "BIGNUMERIC", -261 exp.DataType.Type.BIGINT: "INT64", -262 exp.DataType.Type.BOOLEAN: "BOOL", -263 exp.DataType.Type.CHAR: "STRING", -264 exp.DataType.Type.DECIMAL: "NUMERIC", -265 exp.DataType.Type.DOUBLE: "FLOAT64", -266 exp.DataType.Type.FLOAT: "FLOAT64", -267 exp.DataType.Type.INT: "INT64", -268 exp.DataType.Type.NCHAR: "STRING", -269 exp.DataType.Type.NVARCHAR: "STRING", -270 exp.DataType.Type.SMALLINT: "INT64", -271 exp.DataType.Type.TEXT: "STRING", -272 exp.DataType.Type.TIMESTAMP: "DATETIME", -273 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", -274 exp.DataType.Type.TINYINT: "INT64", -275 exp.DataType.Type.VARCHAR: "STRING", -276 exp.DataType.Type.VARIANT: "ANY TYPE", -277 } -278 -279 PROPERTIES_LOCATION = { -280 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -281 exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA, -282 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, -283 } -284 -285 def array_sql(self, expression: exp.Array) -> str: -286 first_arg = seq_get(expression.expressions, 0) -287 if isinstance(first_arg, exp.Subqueryable): -288 return f"ARRAY{self.wrap(self.sql(first_arg))}" -289 -290 return inline_array_sql(self, expression) -291 -292 def transaction_sql(self, *_) -> str: -293 return "BEGIN TRANSACTION" -294 -295 def commit_sql(self, *_) -> str: -296 return "COMMIT TRANSACTION" -297 -298 def rollback_sql(self, *_) -> str: -299 return "ROLLBACK TRANSACTION" -300 -301 def in_unnest_op(self, expression: exp.Unnest) -> str: -302 return self.sql(expression) +108 return expression +109 +110 +111class BigQuery(Dialect): +112 unnest_column_only = True +113 time_mapping = { +114 "%M": "%-M", +115 "%d": "%-d", +116 "%m": "%-m", +117 "%y": "%-y", +118 "%H": "%-H", +119 "%I": "%-I", +120 "%S": "%-S", +121 "%j": "%-j", +122 } +123 +124 class Tokenizer(tokens.Tokenizer): +125 QUOTES = [ +126 (prefix + quote, quote) if prefix else quote +127 for quote in ["'", '"', '"""', "'''"] +128 for prefix in ["", "r", "R"] +129 ] +130 COMMENTS = ["--", "#", ("/*", "*/")] +131 IDENTIFIERS = ["`"] +132 STRING_ESCAPES = ["\\"] +133 HEX_STRINGS = [("0x", ""), ("0X", "")] +134 +135 KEYWORDS = { +136 **tokens.Tokenizer.KEYWORDS, +137 "ANY TYPE": TokenType.VARIANT, +138 "BEGIN": TokenType.COMMAND, +139 "BEGIN TRANSACTION": TokenType.BEGIN, +140 "CURRENT_DATETIME": TokenType.CURRENT_DATETIME, +141 "DECLARE": TokenType.COMMAND, +142 "GEOGRAPHY": TokenType.GEOGRAPHY, +143 "FLOAT64": TokenType.DOUBLE, +144 "INT64": TokenType.BIGINT, +145 "BYTES": TokenType.BINARY, +146 "NOT DETERMINISTIC": TokenType.VOLATILE, +147 "UNKNOWN": TokenType.NULL, +148 } +149 KEYWORDS.pop("DIV") +150 +151 class Parser(parser.Parser): +152 PREFIXED_PIVOT_COLUMNS = True +153 +154 LOG_BASE_FIRST = False +155 LOG_DEFAULTS_TO_LN = True +156 +157 FUNCTIONS = { +158 **parser.Parser.FUNCTIONS, # type: ignore +159 "DATE_TRUNC": lambda args: exp.DateTrunc( +160 unit=exp.Literal.string(seq_get(args, 1).name), # type: ignore +161 this=seq_get(args, 0), +162 ), +163 "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd), +164 "DATETIME_ADD": parse_date_delta_with_interval(exp.DatetimeAdd), +165 "DIV": lambda args: exp.IntDiv(this=seq_get(args, 0), expression=seq_get(args, 1)), +166 "REGEXP_CONTAINS": exp.RegexpLike.from_arg_list, +167 "REGEXP_EXTRACT": lambda args: exp.RegexpExtract( +168 this=seq_get(args, 0), +169 expression=seq_get(args, 1), +170 position=seq_get(args, 2), +171 occurrence=seq_get(args, 3), +172 group=exp.Literal.number(1) +173 if re.compile(str(seq_get(args, 1))).groups == 1 +174 else None, +175 ), +176 "TIME_ADD": parse_date_delta_with_interval(exp.TimeAdd), +177 "TIMESTAMP_ADD": parse_date_delta_with_interval(exp.TimestampAdd), +178 "DATE_SUB": parse_date_delta_with_interval(exp.DateSub), +179 "DATETIME_SUB": parse_date_delta_with_interval(exp.DatetimeSub), +180 "TIME_SUB": parse_date_delta_with_interval(exp.TimeSub), +181 "TIMESTAMP_SUB": parse_date_delta_with_interval(exp.TimestampSub), +182 "PARSE_TIMESTAMP": lambda args: exp.StrToTime( +183 this=seq_get(args, 1), format=seq_get(args, 0) +184 ), +185 } +186 +187 FUNCTION_PARSERS = { +188 **parser.Parser.FUNCTION_PARSERS, # type: ignore +189 "ARRAY": lambda self: self.expression(exp.Array, expressions=[self._parse_statement()]), +190 } +191 FUNCTION_PARSERS.pop("TRIM") +192 +193 NO_PAREN_FUNCTIONS = { +194 **parser.Parser.NO_PAREN_FUNCTIONS, # type: ignore +195 TokenType.CURRENT_DATETIME: exp.CurrentDatetime, +196 } +197 +198 NESTED_TYPE_TOKENS = { +199 *parser.Parser.NESTED_TYPE_TOKENS, # type: ignore +200 TokenType.TABLE, +201 } +202 +203 ID_VAR_TOKENS = { +204 *parser.Parser.ID_VAR_TOKENS, # type: ignore +205 TokenType.VALUES, +206 } +207 +208 PROPERTY_PARSERS = { +209 **parser.Parser.PROPERTY_PARSERS, # type: ignore +210 "NOT DETERMINISTIC": lambda self: self.expression( +211 exp.StabilityProperty, this=exp.Literal.string("VOLATILE") +212 ), +213 "OPTIONS": lambda self: self._parse_with_property(), +214 } +215 +216 CONSTRAINT_PARSERS = { +217 **parser.Parser.CONSTRAINT_PARSERS, # type: ignore +218 "OPTIONS": lambda self: exp.Properties(expressions=self._parse_with_property()), +219 } +220 +221 class Generator(generator.Generator): +222 EXPLICIT_UNION = True +223 INTERVAL_ALLOWS_PLURAL_FORM = False +224 JOIN_HINTS = False +225 TABLE_HINTS = False +226 LIMIT_FETCH = "LIMIT" +227 +228 TRANSFORMS = { +229 **generator.Generator.TRANSFORMS, # type: ignore +230 exp.ArraySize: rename_func("ARRAY_LENGTH"), +231 exp.AtTimeZone: lambda self, e: self.func( +232 "TIMESTAMP", self.func("DATETIME", e.this, e.args.get("zone")) +233 ), +234 exp.Cast: transforms.preprocess([transforms.remove_precision_parameterized_types]), +235 exp.DateAdd: _date_add_sql("DATE", "ADD"), +236 exp.DateSub: _date_add_sql("DATE", "SUB"), +237 exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"), +238 exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"), +239 exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})", +240 exp.DateStrToDate: datestrtodate_sql, +241 exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")), +242 exp.GroupConcat: rename_func("STRING_AGG"), +243 exp.ILike: no_ilike_sql, +244 exp.IntDiv: rename_func("DIV"), +245 exp.Max: max_or_greatest, +246 exp.Min: min_or_least, +247 exp.Select: transforms.preprocess( +248 [_unqualify_unnest, transforms.eliminate_distinct_on] +249 ), +250 exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})", +251 exp.TimeAdd: _date_add_sql("TIME", "ADD"), +252 exp.TimeSub: _date_add_sql("TIME", "SUB"), +253 exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"), +254 exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"), +255 exp.TimeStrToTime: timestrtotime_sql, +256 exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"), +257 exp.TsOrDsAdd: _date_add_sql("DATE", "ADD"), +258 exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}", +259 exp.VariancePop: rename_func("VAR_POP"), +260 exp.Values: _derived_table_values_to_unnest, +261 exp.ReturnsProperty: _returnsproperty_sql, +262 exp.Create: _create_sql, +263 exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression), +264 exp.StabilityProperty: lambda self, e: f"DETERMINISTIC" +265 if e.name == "IMMUTABLE" +266 else "NOT DETERMINISTIC", +267 exp.RegexpLike: rename_func("REGEXP_CONTAINS"), +268 } +269 +270 TYPE_MAPPING = { +271 **generator.Generator.TYPE_MAPPING, # type: ignore +272 exp.DataType.Type.BIGDECIMAL: "BIGNUMERIC", +273 exp.DataType.Type.BIGINT: "INT64", +274 exp.DataType.Type.BINARY: "BYTES", +275 exp.DataType.Type.BOOLEAN: "BOOL", +276 exp.DataType.Type.CHAR: "STRING", +277 exp.DataType.Type.DECIMAL: "NUMERIC", +278 exp.DataType.Type.DOUBLE: "FLOAT64", +279 exp.DataType.Type.FLOAT: "FLOAT64", +280 exp.DataType.Type.INT: "INT64", +281 exp.DataType.Type.NCHAR: "STRING", +282 exp.DataType.Type.NVARCHAR: "STRING", +283 exp.DataType.Type.SMALLINT: "INT64", +284 exp.DataType.Type.TEXT: "STRING", +285 exp.DataType.Type.TIMESTAMP: "DATETIME", +286 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", +287 exp.DataType.Type.TINYINT: "INT64", +288 exp.DataType.Type.VARBINARY: "BYTES", +289 exp.DataType.Type.VARCHAR: "STRING", +290 exp.DataType.Type.VARIANT: "ANY TYPE", +291 } +292 +293 PROPERTIES_LOCATION = { +294 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +295 exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA, +296 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, +297 } +298 +299 def array_sql(self, expression: exp.Array) -> str: +300 first_arg = seq_get(expression.expressions, 0) +301 if isinstance(first_arg, exp.Subqueryable): +302 return f"ARRAY{self.wrap(self.sql(first_arg))}" 303 -304 def except_op(self, expression: exp.Except) -> str: -305 if not expression.args.get("distinct", False): -306 self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery") -307 return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}" +304 return inline_array_sql(self, expression) +305 +306 def transaction_sql(self, *_) -> str: +307 return "BEGIN TRANSACTION" 308 -309 def intersect_op(self, expression: exp.Intersect) -> str: -310 if not expression.args.get("distinct", False): -311 self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery") -312 return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}" +309 def commit_sql(self, *_) -> str: +310 return "COMMIT TRANSACTION" +311 +312 def rollback_sql(self, *_) -> str: +313 return "ROLLBACK TRANSACTION" +314 +315 def in_unnest_op(self, expression: exp.Unnest) -> str: +316 return self.sql(expression) +317 +318 def except_op(self, expression: exp.Except) -> str: +319 if not expression.args.get("distinct", False): +320 self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery") +321 return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}" +322 +323 def intersect_op(self, expression: exp.Intersect) -> str: +324 if not expression.args.get("distinct", False): +325 self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery") +326 return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}" +327 +328 def with_properties(self, properties: exp.Properties) -> str: +329 return self.properties(properties, prefix=self.seg("OPTIONS")) @@ -425,211 +445,225 @@ - 
    109class BigQuery(Dialect):
-110    unnest_column_only = True
-111    time_mapping = {
-112        "%M": "%-M",
-113        "%d": "%-d",
-114        "%m": "%-m",
-115        "%y": "%-y",
-116        "%H": "%-H",
-117        "%I": "%-I",
-118        "%S": "%-S",
-119        "%j": "%-j",
-120    }
-121
-122    class Tokenizer(tokens.Tokenizer):
-123        QUOTES = [
-124            (prefix + quote, quote) if prefix else quote
-125            for quote in ["'", '"', '"""', "'''"]
-126            for prefix in ["", "r", "R"]
-127        ]
-128        COMMENTS = ["--", "#", ("/*", "*/")]
-129        IDENTIFIERS = ["`"]
-130        STRING_ESCAPES = ["\\"]
-131        HEX_STRINGS = [("0x", ""), ("0X", "")]
-132
-133        KEYWORDS = {
-134            **tokens.Tokenizer.KEYWORDS,
-135            "ANY TYPE": TokenType.VARIANT,
-136            "BEGIN": TokenType.COMMAND,
-137            "BEGIN TRANSACTION": TokenType.BEGIN,
-138            "CURRENT_DATETIME": TokenType.CURRENT_DATETIME,
-139            "DECLARE": TokenType.COMMAND,
-140            "GEOGRAPHY": TokenType.GEOGRAPHY,
-141            "FLOAT64": TokenType.DOUBLE,
-142            "INT64": TokenType.BIGINT,
-143            "NOT DETERMINISTIC": TokenType.VOLATILE,
-144            "UNKNOWN": TokenType.NULL,
-145        }
-146        KEYWORDS.pop("DIV")
-147
-148    class Parser(parser.Parser):
-149        PREFIXED_PIVOT_COLUMNS = True
-150
-151        LOG_BASE_FIRST = False
-152        LOG_DEFAULTS_TO_LN = True
-153
-154        FUNCTIONS = {
-155            **parser.Parser.FUNCTIONS,  # type: ignore
-156            "DATE_TRUNC": lambda args: exp.DateTrunc(
-157                unit=exp.Literal.string(seq_get(args, 1).name),  # type: ignore
-158                this=seq_get(args, 0),
-159            ),
-160            "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd),
-161            "DATETIME_ADD": parse_date_delta_with_interval(exp.DatetimeAdd),
-162            "DIV": lambda args: exp.IntDiv(this=seq_get(args, 0), expression=seq_get(args, 1)),
-163            "REGEXP_CONTAINS": exp.RegexpLike.from_arg_list,
-164            "REGEXP_EXTRACT": lambda args: exp.RegexpExtract(
-165                this=seq_get(args, 0),
-166                expression=seq_get(args, 1),
-167                position=seq_get(args, 2),
-168                occurrence=seq_get(args, 3),
-169                group=exp.Literal.number(1)
-170                if re.compile(str(seq_get(args, 1))).groups == 1
-171                else None,
-172            ),
-173            "TIME_ADD": parse_date_delta_with_interval(exp.TimeAdd),
-174            "TIMESTAMP_ADD": parse_date_delta_with_interval(exp.TimestampAdd),
-175            "DATE_SUB": parse_date_delta_with_interval(exp.DateSub),
-176            "DATETIME_SUB": parse_date_delta_with_interval(exp.DatetimeSub),
-177            "TIME_SUB": parse_date_delta_with_interval(exp.TimeSub),
-178            "TIMESTAMP_SUB": parse_date_delta_with_interval(exp.TimestampSub),
-179            "PARSE_TIMESTAMP": lambda args: exp.StrToTime(
-180                this=seq_get(args, 1), format=seq_get(args, 0)
-181            ),
-182        }
-183
-184        FUNCTION_PARSERS = {
-185            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
-186            "ARRAY": lambda self: self.expression(exp.Array, expressions=[self._parse_statement()]),
-187        }
-188        FUNCTION_PARSERS.pop("TRIM")
-189
-190        NO_PAREN_FUNCTIONS = {
-191            **parser.Parser.NO_PAREN_FUNCTIONS,  # type: ignore
-192            TokenType.CURRENT_DATETIME: exp.CurrentDatetime,
-193        }
-194
-195        NESTED_TYPE_TOKENS = {
-196            *parser.Parser.NESTED_TYPE_TOKENS,  # type: ignore
-197            TokenType.TABLE,
-198        }
-199
-200        ID_VAR_TOKENS = {
-201            *parser.Parser.ID_VAR_TOKENS,  # type: ignore
-202            TokenType.VALUES,
-203        }
-204
-205        PROPERTY_PARSERS = {
-206            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
-207            "NOT DETERMINISTIC": lambda self: self.expression(
-208                exp.StabilityProperty, this=exp.Literal.string("VOLATILE")
-209            ),
-210        }
-211
-212    class Generator(generator.Generator):
-213        EXPLICIT_UNION = True
-214        INTERVAL_ALLOWS_PLURAL_FORM = False
-215        JOIN_HINTS = False
-216        TABLE_HINTS = False
-217        LIMIT_FETCH = "LIMIT"
-218
-219        TRANSFORMS = {
-220            **generator.Generator.TRANSFORMS,  # type: ignore
-221            **transforms.REMOVE_PRECISION_PARAMETERIZED_TYPES,  # type: ignore
-222            exp.ArraySize: rename_func("ARRAY_LENGTH"),
-223            exp.AtTimeZone: lambda self, e: self.func(
-224                "TIMESTAMP", self.func("DATETIME", e.this, e.args.get("zone"))
-225            ),
-226            exp.DateAdd: _date_add_sql("DATE", "ADD"),
-227            exp.DateSub: _date_add_sql("DATE", "SUB"),
-228            exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"),
-229            exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"),
-230            exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})",
-231            exp.DateStrToDate: datestrtodate_sql,
-232            exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")),
-233            exp.GroupConcat: rename_func("STRING_AGG"),
-234            exp.ILike: no_ilike_sql,
-235            exp.IntDiv: rename_func("DIV"),
-236            exp.Max: max_or_greatest,
-237            exp.Min: min_or_least,
-238            exp.Select: transforms.preprocess([_unqualify_unnest]),
-239            exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})",
-240            exp.TimeAdd: _date_add_sql("TIME", "ADD"),
-241            exp.TimeSub: _date_add_sql("TIME", "SUB"),
-242            exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"),
-243            exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"),
-244            exp.TimeStrToTime: timestrtotime_sql,
-245            exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"),
-246            exp.TsOrDsAdd: _date_add_sql("DATE", "ADD"),
-247            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
-248            exp.VariancePop: rename_func("VAR_POP"),
-249            exp.Values: _derived_table_values_to_unnest,
-250            exp.ReturnsProperty: _returnsproperty_sql,
-251            exp.Create: _create_sql,
-252            exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression),
-253            exp.StabilityProperty: lambda self, e: f"DETERMINISTIC"
-254            if e.name == "IMMUTABLE"
-255            else "NOT DETERMINISTIC",
-256            exp.RegexpLike: rename_func("REGEXP_CONTAINS"),
-257        }
-258
-259        TYPE_MAPPING = {
-260            **generator.Generator.TYPE_MAPPING,  # type: ignore
-261            exp.DataType.Type.BIGDECIMAL: "BIGNUMERIC",
-262            exp.DataType.Type.BIGINT: "INT64",
-263            exp.DataType.Type.BOOLEAN: "BOOL",
-264            exp.DataType.Type.CHAR: "STRING",
-265            exp.DataType.Type.DECIMAL: "NUMERIC",
-266            exp.DataType.Type.DOUBLE: "FLOAT64",
-267            exp.DataType.Type.FLOAT: "FLOAT64",
-268            exp.DataType.Type.INT: "INT64",
-269            exp.DataType.Type.NCHAR: "STRING",
-270            exp.DataType.Type.NVARCHAR: "STRING",
-271            exp.DataType.Type.SMALLINT: "INT64",
-272            exp.DataType.Type.TEXT: "STRING",
-273            exp.DataType.Type.TIMESTAMP: "DATETIME",
-274            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
-275            exp.DataType.Type.TINYINT: "INT64",
-276            exp.DataType.Type.VARCHAR: "STRING",
-277            exp.DataType.Type.VARIANT: "ANY TYPE",
-278        }
-279
-280        PROPERTIES_LOCATION = {
-281            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-282            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
-283            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-284        }
-285
-286        def array_sql(self, expression: exp.Array) -> str:
-287            first_arg = seq_get(expression.expressions, 0)
-288            if isinstance(first_arg, exp.Subqueryable):
-289                return f"ARRAY{self.wrap(self.sql(first_arg))}"
-290
-291            return inline_array_sql(self, expression)
-292
-293        def transaction_sql(self, *_) -> str:
-294            return "BEGIN TRANSACTION"
-295
-296        def commit_sql(self, *_) -> str:
-297            return "COMMIT TRANSACTION"
-298
-299        def rollback_sql(self, *_) -> str:
-300            return "ROLLBACK TRANSACTION"
-301
-302        def in_unnest_op(self, expression: exp.Unnest) -> str:
-303            return self.sql(expression)
+            
    112class BigQuery(Dialect):
+113    unnest_column_only = True
+114    time_mapping = {
+115        "%M": "%-M",
+116        "%d": "%-d",
+117        "%m": "%-m",
+118        "%y": "%-y",
+119        "%H": "%-H",
+120        "%I": "%-I",
+121        "%S": "%-S",
+122        "%j": "%-j",
+123    }
+124
+125    class Tokenizer(tokens.Tokenizer):
+126        QUOTES = [
+127            (prefix + quote, quote) if prefix else quote
+128            for quote in ["'", '"', '"""', "'''"]
+129            for prefix in ["", "r", "R"]
+130        ]
+131        COMMENTS = ["--", "#", ("/*", "*/")]
+132        IDENTIFIERS = ["`"]
+133        STRING_ESCAPES = ["\\"]
+134        HEX_STRINGS = [("0x", ""), ("0X", "")]
+135
+136        KEYWORDS = {
+137            **tokens.Tokenizer.KEYWORDS,
+138            "ANY TYPE": TokenType.VARIANT,
+139            "BEGIN": TokenType.COMMAND,
+140            "BEGIN TRANSACTION": TokenType.BEGIN,
+141            "CURRENT_DATETIME": TokenType.CURRENT_DATETIME,
+142            "DECLARE": TokenType.COMMAND,
+143            "GEOGRAPHY": TokenType.GEOGRAPHY,
+144            "FLOAT64": TokenType.DOUBLE,
+145            "INT64": TokenType.BIGINT,
+146            "BYTES": TokenType.BINARY,
+147            "NOT DETERMINISTIC": TokenType.VOLATILE,
+148            "UNKNOWN": TokenType.NULL,
+149        }
+150        KEYWORDS.pop("DIV")
+151
+152    class Parser(parser.Parser):
+153        PREFIXED_PIVOT_COLUMNS = True
+154
+155        LOG_BASE_FIRST = False
+156        LOG_DEFAULTS_TO_LN = True
+157
+158        FUNCTIONS = {
+159            **parser.Parser.FUNCTIONS,  # type: ignore
+160            "DATE_TRUNC": lambda args: exp.DateTrunc(
+161                unit=exp.Literal.string(seq_get(args, 1).name),  # type: ignore
+162                this=seq_get(args, 0),
+163            ),
+164            "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd),
+165            "DATETIME_ADD": parse_date_delta_with_interval(exp.DatetimeAdd),
+166            "DIV": lambda args: exp.IntDiv(this=seq_get(args, 0), expression=seq_get(args, 1)),
+167            "REGEXP_CONTAINS": exp.RegexpLike.from_arg_list,
+168            "REGEXP_EXTRACT": lambda args: exp.RegexpExtract(
+169                this=seq_get(args, 0),
+170                expression=seq_get(args, 1),
+171                position=seq_get(args, 2),
+172                occurrence=seq_get(args, 3),
+173                group=exp.Literal.number(1)
+174                if re.compile(str(seq_get(args, 1))).groups == 1
+175                else None,
+176            ),
+177            "TIME_ADD": parse_date_delta_with_interval(exp.TimeAdd),
+178            "TIMESTAMP_ADD": parse_date_delta_with_interval(exp.TimestampAdd),
+179            "DATE_SUB": parse_date_delta_with_interval(exp.DateSub),
+180            "DATETIME_SUB": parse_date_delta_with_interval(exp.DatetimeSub),
+181            "TIME_SUB": parse_date_delta_with_interval(exp.TimeSub),
+182            "TIMESTAMP_SUB": parse_date_delta_with_interval(exp.TimestampSub),
+183            "PARSE_TIMESTAMP": lambda args: exp.StrToTime(
+184                this=seq_get(args, 1), format=seq_get(args, 0)
+185            ),
+186        }
+187
+188        FUNCTION_PARSERS = {
+189            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
+190            "ARRAY": lambda self: self.expression(exp.Array, expressions=[self._parse_statement()]),
+191        }
+192        FUNCTION_PARSERS.pop("TRIM")
+193
+194        NO_PAREN_FUNCTIONS = {
+195            **parser.Parser.NO_PAREN_FUNCTIONS,  # type: ignore
+196            TokenType.CURRENT_DATETIME: exp.CurrentDatetime,
+197        }
+198
+199        NESTED_TYPE_TOKENS = {
+200            *parser.Parser.NESTED_TYPE_TOKENS,  # type: ignore
+201            TokenType.TABLE,
+202        }
+203
+204        ID_VAR_TOKENS = {
+205            *parser.Parser.ID_VAR_TOKENS,  # type: ignore
+206            TokenType.VALUES,
+207        }
+208
+209        PROPERTY_PARSERS = {
+210            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
+211            "NOT DETERMINISTIC": lambda self: self.expression(
+212                exp.StabilityProperty, this=exp.Literal.string("VOLATILE")
+213            ),
+214            "OPTIONS": lambda self: self._parse_with_property(),
+215        }
+216
+217        CONSTRAINT_PARSERS = {
+218            **parser.Parser.CONSTRAINT_PARSERS,  # type: ignore
+219            "OPTIONS": lambda self: exp.Properties(expressions=self._parse_with_property()),
+220        }
+221
+222    class Generator(generator.Generator):
+223        EXPLICIT_UNION = True
+224        INTERVAL_ALLOWS_PLURAL_FORM = False
+225        JOIN_HINTS = False
+226        TABLE_HINTS = False
+227        LIMIT_FETCH = "LIMIT"
+228
+229        TRANSFORMS = {
+230            **generator.Generator.TRANSFORMS,  # type: ignore
+231            exp.ArraySize: rename_func("ARRAY_LENGTH"),
+232            exp.AtTimeZone: lambda self, e: self.func(
+233                "TIMESTAMP", self.func("DATETIME", e.this, e.args.get("zone"))
+234            ),
+235            exp.Cast: transforms.preprocess([transforms.remove_precision_parameterized_types]),
+236            exp.DateAdd: _date_add_sql("DATE", "ADD"),
+237            exp.DateSub: _date_add_sql("DATE", "SUB"),
+238            exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"),
+239            exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"),
+240            exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})",
+241            exp.DateStrToDate: datestrtodate_sql,
+242            exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")),
+243            exp.GroupConcat: rename_func("STRING_AGG"),
+244            exp.ILike: no_ilike_sql,
+245            exp.IntDiv: rename_func("DIV"),
+246            exp.Max: max_or_greatest,
+247            exp.Min: min_or_least,
+248            exp.Select: transforms.preprocess(
+249                [_unqualify_unnest, transforms.eliminate_distinct_on]
+250            ),
+251            exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})",
+252            exp.TimeAdd: _date_add_sql("TIME", "ADD"),
+253            exp.TimeSub: _date_add_sql("TIME", "SUB"),
+254            exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"),
+255            exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"),
+256            exp.TimeStrToTime: timestrtotime_sql,
+257            exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"),
+258            exp.TsOrDsAdd: _date_add_sql("DATE", "ADD"),
+259            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
+260            exp.VariancePop: rename_func("VAR_POP"),
+261            exp.Values: _derived_table_values_to_unnest,
+262            exp.ReturnsProperty: _returnsproperty_sql,
+263            exp.Create: _create_sql,
+264            exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression),
+265            exp.StabilityProperty: lambda self, e: f"DETERMINISTIC"
+266            if e.name == "IMMUTABLE"
+267            else "NOT DETERMINISTIC",
+268            exp.RegexpLike: rename_func("REGEXP_CONTAINS"),
+269        }
+270
+271        TYPE_MAPPING = {
+272            **generator.Generator.TYPE_MAPPING,  # type: ignore
+273            exp.DataType.Type.BIGDECIMAL: "BIGNUMERIC",
+274            exp.DataType.Type.BIGINT: "INT64",
+275            exp.DataType.Type.BINARY: "BYTES",
+276            exp.DataType.Type.BOOLEAN: "BOOL",
+277            exp.DataType.Type.CHAR: "STRING",
+278            exp.DataType.Type.DECIMAL: "NUMERIC",
+279            exp.DataType.Type.DOUBLE: "FLOAT64",
+280            exp.DataType.Type.FLOAT: "FLOAT64",
+281            exp.DataType.Type.INT: "INT64",
+282            exp.DataType.Type.NCHAR: "STRING",
+283            exp.DataType.Type.NVARCHAR: "STRING",
+284            exp.DataType.Type.SMALLINT: "INT64",
+285            exp.DataType.Type.TEXT: "STRING",
+286            exp.DataType.Type.TIMESTAMP: "DATETIME",
+287            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
+288            exp.DataType.Type.TINYINT: "INT64",
+289            exp.DataType.Type.VARBINARY: "BYTES",
+290            exp.DataType.Type.VARCHAR: "STRING",
+291            exp.DataType.Type.VARIANT: "ANY TYPE",
+292        }
+293
+294        PROPERTIES_LOCATION = {
+295            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+296            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
+297            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+298        }
+299
+300        def array_sql(self, expression: exp.Array) -> str:
+301            first_arg = seq_get(expression.expressions, 0)
+302            if isinstance(first_arg, exp.Subqueryable):
+303                return f"ARRAY{self.wrap(self.sql(first_arg))}"
 304
-305        def except_op(self, expression: exp.Except) -> str:
-306            if not expression.args.get("distinct", False):
-307                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
-308            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+305            return inline_array_sql(self, expression)
+306
+307        def transaction_sql(self, *_) -> str:
+308            return "BEGIN TRANSACTION"
 309
-310        def intersect_op(self, expression: exp.Intersect) -> str:
-311            if not expression.args.get("distinct", False):
-312                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
-313            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+310        def commit_sql(self, *_) -> str:
+311            return "COMMIT TRANSACTION"
+312
+313        def rollback_sql(self, *_) -> str:
+314            return "ROLLBACK TRANSACTION"
+315
+316        def in_unnest_op(self, expression: exp.Unnest) -> str:
+317            return self.sql(expression)
+318
+319        def except_op(self, expression: exp.Except) -> str:
+320            if not expression.args.get("distinct", False):
+321                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
+322            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+323
+324        def intersect_op(self, expression: exp.Intersect) -> str:
+325            if not expression.args.get("distinct", False):
+326                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
+327            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+328
+329        def with_properties(self, properties: exp.Properties) -> str:
+330            return self.properties(properties, prefix=self.seg("OPTIONS"))
 
    
 
 
@@ -664,31 +698,32 @@
    - 
    122    class Tokenizer(tokens.Tokenizer):
-123        QUOTES = [
-124            (prefix + quote, quote) if prefix else quote
-125            for quote in ["'", '"', '"""', "'''"]
-126            for prefix in ["", "r", "R"]
-127        ]
-128        COMMENTS = ["--", "#", ("/*", "*/")]
-129        IDENTIFIERS = ["`"]
-130        STRING_ESCAPES = ["\\"]
-131        HEX_STRINGS = [("0x", ""), ("0X", "")]
-132
-133        KEYWORDS = {
-134            **tokens.Tokenizer.KEYWORDS,
-135            "ANY TYPE": TokenType.VARIANT,
-136            "BEGIN": TokenType.COMMAND,
-137            "BEGIN TRANSACTION": TokenType.BEGIN,
-138            "CURRENT_DATETIME": TokenType.CURRENT_DATETIME,
-139            "DECLARE": TokenType.COMMAND,
-140            "GEOGRAPHY": TokenType.GEOGRAPHY,
-141            "FLOAT64": TokenType.DOUBLE,
-142            "INT64": TokenType.BIGINT,
-143            "NOT DETERMINISTIC": TokenType.VOLATILE,
-144            "UNKNOWN": TokenType.NULL,
-145        }
-146        KEYWORDS.pop("DIV")
+            
    125    class Tokenizer(tokens.Tokenizer):
+126        QUOTES = [
+127            (prefix + quote, quote) if prefix else quote
+128            for quote in ["'", '"', '"""', "'''"]
+129            for prefix in ["", "r", "R"]
+130        ]
+131        COMMENTS = ["--", "#", ("/*", "*/")]
+132        IDENTIFIERS = ["`"]
+133        STRING_ESCAPES = ["\\"]
+134        HEX_STRINGS = [("0x", ""), ("0X", "")]
+135
+136        KEYWORDS = {
+137            **tokens.Tokenizer.KEYWORDS,
+138            "ANY TYPE": TokenType.VARIANT,
+139            "BEGIN": TokenType.COMMAND,
+140            "BEGIN TRANSACTION": TokenType.BEGIN,
+141            "CURRENT_DATETIME": TokenType.CURRENT_DATETIME,
+142            "DECLARE": TokenType.COMMAND,
+143            "GEOGRAPHY": TokenType.GEOGRAPHY,
+144            "FLOAT64": TokenType.DOUBLE,
+145            "INT64": TokenType.BIGINT,
+146            "BYTES": TokenType.BINARY,
+147            "NOT DETERMINISTIC": TokenType.VOLATILE,
+148            "UNKNOWN": TokenType.NULL,
+149        }
+150        KEYWORDS.pop("DIV")
 
    
 
 
@@ -716,69 +751,75 @@
    - 
    148    class Parser(parser.Parser):
-149        PREFIXED_PIVOT_COLUMNS = True
-150
-151        LOG_BASE_FIRST = False
-152        LOG_DEFAULTS_TO_LN = True
-153
-154        FUNCTIONS = {
-155            **parser.Parser.FUNCTIONS,  # type: ignore
-156            "DATE_TRUNC": lambda args: exp.DateTrunc(
-157                unit=exp.Literal.string(seq_get(args, 1).name),  # type: ignore
-158                this=seq_get(args, 0),
-159            ),
-160            "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd),
-161            "DATETIME_ADD": parse_date_delta_with_interval(exp.DatetimeAdd),
-162            "DIV": lambda args: exp.IntDiv(this=seq_get(args, 0), expression=seq_get(args, 1)),
-163            "REGEXP_CONTAINS": exp.RegexpLike.from_arg_list,
-164            "REGEXP_EXTRACT": lambda args: exp.RegexpExtract(
-165                this=seq_get(args, 0),
-166                expression=seq_get(args, 1),
-167                position=seq_get(args, 2),
-168                occurrence=seq_get(args, 3),
-169                group=exp.Literal.number(1)
-170                if re.compile(str(seq_get(args, 1))).groups == 1
-171                else None,
-172            ),
-173            "TIME_ADD": parse_date_delta_with_interval(exp.TimeAdd),
-174            "TIMESTAMP_ADD": parse_date_delta_with_interval(exp.TimestampAdd),
-175            "DATE_SUB": parse_date_delta_with_interval(exp.DateSub),
-176            "DATETIME_SUB": parse_date_delta_with_interval(exp.DatetimeSub),
-177            "TIME_SUB": parse_date_delta_with_interval(exp.TimeSub),
-178            "TIMESTAMP_SUB": parse_date_delta_with_interval(exp.TimestampSub),
-179            "PARSE_TIMESTAMP": lambda args: exp.StrToTime(
-180                this=seq_get(args, 1), format=seq_get(args, 0)
-181            ),
-182        }
-183
-184        FUNCTION_PARSERS = {
-185            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
-186            "ARRAY": lambda self: self.expression(exp.Array, expressions=[self._parse_statement()]),
-187        }
-188        FUNCTION_PARSERS.pop("TRIM")
-189
-190        NO_PAREN_FUNCTIONS = {
-191            **parser.Parser.NO_PAREN_FUNCTIONS,  # type: ignore
-192            TokenType.CURRENT_DATETIME: exp.CurrentDatetime,
-193        }
-194
-195        NESTED_TYPE_TOKENS = {
-196            *parser.Parser.NESTED_TYPE_TOKENS,  # type: ignore
-197            TokenType.TABLE,
-198        }
-199
-200        ID_VAR_TOKENS = {
-201            *parser.Parser.ID_VAR_TOKENS,  # type: ignore
-202            TokenType.VALUES,
-203        }
-204
-205        PROPERTY_PARSERS = {
-206            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
-207            "NOT DETERMINISTIC": lambda self: self.expression(
-208                exp.StabilityProperty, this=exp.Literal.string("VOLATILE")
-209            ),
-210        }
+            
    152    class Parser(parser.Parser):
+153        PREFIXED_PIVOT_COLUMNS = True
+154
+155        LOG_BASE_FIRST = False
+156        LOG_DEFAULTS_TO_LN = True
+157
+158        FUNCTIONS = {
+159            **parser.Parser.FUNCTIONS,  # type: ignore
+160            "DATE_TRUNC": lambda args: exp.DateTrunc(
+161                unit=exp.Literal.string(seq_get(args, 1).name),  # type: ignore
+162                this=seq_get(args, 0),
+163            ),
+164            "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd),
+165            "DATETIME_ADD": parse_date_delta_with_interval(exp.DatetimeAdd),
+166            "DIV": lambda args: exp.IntDiv(this=seq_get(args, 0), expression=seq_get(args, 1)),
+167            "REGEXP_CONTAINS": exp.RegexpLike.from_arg_list,
+168            "REGEXP_EXTRACT": lambda args: exp.RegexpExtract(
+169                this=seq_get(args, 0),
+170                expression=seq_get(args, 1),
+171                position=seq_get(args, 2),
+172                occurrence=seq_get(args, 3),
+173                group=exp.Literal.number(1)
+174                if re.compile(str(seq_get(args, 1))).groups == 1
+175                else None,
+176            ),
+177            "TIME_ADD": parse_date_delta_with_interval(exp.TimeAdd),
+178            "TIMESTAMP_ADD": parse_date_delta_with_interval(exp.TimestampAdd),
+179            "DATE_SUB": parse_date_delta_with_interval(exp.DateSub),
+180            "DATETIME_SUB": parse_date_delta_with_interval(exp.DatetimeSub),
+181            "TIME_SUB": parse_date_delta_with_interval(exp.TimeSub),
+182            "TIMESTAMP_SUB": parse_date_delta_with_interval(exp.TimestampSub),
+183            "PARSE_TIMESTAMP": lambda args: exp.StrToTime(
+184                this=seq_get(args, 1), format=seq_get(args, 0)
+185            ),
+186        }
+187
+188        FUNCTION_PARSERS = {
+189            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
+190            "ARRAY": lambda self: self.expression(exp.Array, expressions=[self._parse_statement()]),
+191        }
+192        FUNCTION_PARSERS.pop("TRIM")
+193
+194        NO_PAREN_FUNCTIONS = {
+195            **parser.Parser.NO_PAREN_FUNCTIONS,  # type: ignore
+196            TokenType.CURRENT_DATETIME: exp.CurrentDatetime,
+197        }
+198
+199        NESTED_TYPE_TOKENS = {
+200            *parser.Parser.NESTED_TYPE_TOKENS,  # type: ignore
+201            TokenType.TABLE,
+202        }
+203
+204        ID_VAR_TOKENS = {
+205            *parser.Parser.ID_VAR_TOKENS,  # type: ignore
+206            TokenType.VALUES,
+207        }
+208
+209        PROPERTY_PARSERS = {
+210            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
+211            "NOT DETERMINISTIC": lambda self: self.expression(
+212                exp.StabilityProperty, this=exp.Literal.string("VOLATILE")
+213            ),
+214            "OPTIONS": lambda self: self._parse_with_property(),
+215        }
+216
+217        CONSTRAINT_PARSERS = {
+218            **parser.Parser.CONSTRAINT_PARSERS,  # type: ignore
+219            "OPTIONS": lambda self: exp.Properties(expressions=self._parse_with_property()),
+220        }
 
    
 
 
@@ -835,108 +876,115 @@ Default: "nulls_are_small"
    - 
    212    class Generator(generator.Generator):
-213        EXPLICIT_UNION = True
-214        INTERVAL_ALLOWS_PLURAL_FORM = False
-215        JOIN_HINTS = False
-216        TABLE_HINTS = False
-217        LIMIT_FETCH = "LIMIT"
-218
-219        TRANSFORMS = {
-220            **generator.Generator.TRANSFORMS,  # type: ignore
-221            **transforms.REMOVE_PRECISION_PARAMETERIZED_TYPES,  # type: ignore
-222            exp.ArraySize: rename_func("ARRAY_LENGTH"),
-223            exp.AtTimeZone: lambda self, e: self.func(
-224                "TIMESTAMP", self.func("DATETIME", e.this, e.args.get("zone"))
-225            ),
-226            exp.DateAdd: _date_add_sql("DATE", "ADD"),
-227            exp.DateSub: _date_add_sql("DATE", "SUB"),
-228            exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"),
-229            exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"),
-230            exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})",
-231            exp.DateStrToDate: datestrtodate_sql,
-232            exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")),
-233            exp.GroupConcat: rename_func("STRING_AGG"),
-234            exp.ILike: no_ilike_sql,
-235            exp.IntDiv: rename_func("DIV"),
-236            exp.Max: max_or_greatest,
-237            exp.Min: min_or_least,
-238            exp.Select: transforms.preprocess([_unqualify_unnest]),
-239            exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})",
-240            exp.TimeAdd: _date_add_sql("TIME", "ADD"),
-241            exp.TimeSub: _date_add_sql("TIME", "SUB"),
-242            exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"),
-243            exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"),
-244            exp.TimeStrToTime: timestrtotime_sql,
-245            exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"),
-246            exp.TsOrDsAdd: _date_add_sql("DATE", "ADD"),
-247            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
-248            exp.VariancePop: rename_func("VAR_POP"),
-249            exp.Values: _derived_table_values_to_unnest,
-250            exp.ReturnsProperty: _returnsproperty_sql,
-251            exp.Create: _create_sql,
-252            exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression),
-253            exp.StabilityProperty: lambda self, e: f"DETERMINISTIC"
-254            if e.name == "IMMUTABLE"
-255            else "NOT DETERMINISTIC",
-256            exp.RegexpLike: rename_func("REGEXP_CONTAINS"),
-257        }
-258
-259        TYPE_MAPPING = {
-260            **generator.Generator.TYPE_MAPPING,  # type: ignore
-261            exp.DataType.Type.BIGDECIMAL: "BIGNUMERIC",
-262            exp.DataType.Type.BIGINT: "INT64",
-263            exp.DataType.Type.BOOLEAN: "BOOL",
-264            exp.DataType.Type.CHAR: "STRING",
-265            exp.DataType.Type.DECIMAL: "NUMERIC",
-266            exp.DataType.Type.DOUBLE: "FLOAT64",
-267            exp.DataType.Type.FLOAT: "FLOAT64",
-268            exp.DataType.Type.INT: "INT64",
-269            exp.DataType.Type.NCHAR: "STRING",
-270            exp.DataType.Type.NVARCHAR: "STRING",
-271            exp.DataType.Type.SMALLINT: "INT64",
-272            exp.DataType.Type.TEXT: "STRING",
-273            exp.DataType.Type.TIMESTAMP: "DATETIME",
-274            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
-275            exp.DataType.Type.TINYINT: "INT64",
-276            exp.DataType.Type.VARCHAR: "STRING",
-277            exp.DataType.Type.VARIANT: "ANY TYPE",
-278        }
-279
-280        PROPERTIES_LOCATION = {
-281            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-282            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
-283            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-284        }
-285
-286        def array_sql(self, expression: exp.Array) -> str:
-287            first_arg = seq_get(expression.expressions, 0)
-288            if isinstance(first_arg, exp.Subqueryable):
-289                return f"ARRAY{self.wrap(self.sql(first_arg))}"
-290
-291            return inline_array_sql(self, expression)
-292
-293        def transaction_sql(self, *_) -> str:
-294            return "BEGIN TRANSACTION"
-295
-296        def commit_sql(self, *_) -> str:
-297            return "COMMIT TRANSACTION"
-298
-299        def rollback_sql(self, *_) -> str:
-300            return "ROLLBACK TRANSACTION"
-301
-302        def in_unnest_op(self, expression: exp.Unnest) -> str:
-303            return self.sql(expression)
+            
    222    class Generator(generator.Generator):
+223        EXPLICIT_UNION = True
+224        INTERVAL_ALLOWS_PLURAL_FORM = False
+225        JOIN_HINTS = False
+226        TABLE_HINTS = False
+227        LIMIT_FETCH = "LIMIT"
+228
+229        TRANSFORMS = {
+230            **generator.Generator.TRANSFORMS,  # type: ignore
+231            exp.ArraySize: rename_func("ARRAY_LENGTH"),
+232            exp.AtTimeZone: lambda self, e: self.func(
+233                "TIMESTAMP", self.func("DATETIME", e.this, e.args.get("zone"))
+234            ),
+235            exp.Cast: transforms.preprocess([transforms.remove_precision_parameterized_types]),
+236            exp.DateAdd: _date_add_sql("DATE", "ADD"),
+237            exp.DateSub: _date_add_sql("DATE", "SUB"),
+238            exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"),
+239            exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"),
+240            exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})",
+241            exp.DateStrToDate: datestrtodate_sql,
+242            exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")),
+243            exp.GroupConcat: rename_func("STRING_AGG"),
+244            exp.ILike: no_ilike_sql,
+245            exp.IntDiv: rename_func("DIV"),
+246            exp.Max: max_or_greatest,
+247            exp.Min: min_or_least,
+248            exp.Select: transforms.preprocess(
+249                [_unqualify_unnest, transforms.eliminate_distinct_on]
+250            ),
+251            exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})",
+252            exp.TimeAdd: _date_add_sql("TIME", "ADD"),
+253            exp.TimeSub: _date_add_sql("TIME", "SUB"),
+254            exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"),
+255            exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"),
+256            exp.TimeStrToTime: timestrtotime_sql,
+257            exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"),
+258            exp.TsOrDsAdd: _date_add_sql("DATE", "ADD"),
+259            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
+260            exp.VariancePop: rename_func("VAR_POP"),
+261            exp.Values: _derived_table_values_to_unnest,
+262            exp.ReturnsProperty: _returnsproperty_sql,
+263            exp.Create: _create_sql,
+264            exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression),
+265            exp.StabilityProperty: lambda self, e: f"DETERMINISTIC"
+266            if e.name == "IMMUTABLE"
+267            else "NOT DETERMINISTIC",
+268            exp.RegexpLike: rename_func("REGEXP_CONTAINS"),
+269        }
+270
+271        TYPE_MAPPING = {
+272            **generator.Generator.TYPE_MAPPING,  # type: ignore
+273            exp.DataType.Type.BIGDECIMAL: "BIGNUMERIC",
+274            exp.DataType.Type.BIGINT: "INT64",
+275            exp.DataType.Type.BINARY: "BYTES",
+276            exp.DataType.Type.BOOLEAN: "BOOL",
+277            exp.DataType.Type.CHAR: "STRING",
+278            exp.DataType.Type.DECIMAL: "NUMERIC",
+279            exp.DataType.Type.DOUBLE: "FLOAT64",
+280            exp.DataType.Type.FLOAT: "FLOAT64",
+281            exp.DataType.Type.INT: "INT64",
+282            exp.DataType.Type.NCHAR: "STRING",
+283            exp.DataType.Type.NVARCHAR: "STRING",
+284            exp.DataType.Type.SMALLINT: "INT64",
+285            exp.DataType.Type.TEXT: "STRING",
+286            exp.DataType.Type.TIMESTAMP: "DATETIME",
+287            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
+288            exp.DataType.Type.TINYINT: "INT64",
+289            exp.DataType.Type.VARBINARY: "BYTES",
+290            exp.DataType.Type.VARCHAR: "STRING",
+291            exp.DataType.Type.VARIANT: "ANY TYPE",
+292        }
+293
+294        PROPERTIES_LOCATION = {
+295            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+296            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
+297            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+298        }
+299
+300        def array_sql(self, expression: exp.Array) -> str:
+301            first_arg = seq_get(expression.expressions, 0)
+302            if isinstance(first_arg, exp.Subqueryable):
+303                return f"ARRAY{self.wrap(self.sql(first_arg))}"
 304
-305        def except_op(self, expression: exp.Except) -> str:
-306            if not expression.args.get("distinct", False):
-307                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
-308            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+305            return inline_array_sql(self, expression)
+306
+307        def transaction_sql(self, *_) -> str:
+308            return "BEGIN TRANSACTION"
 309
-310        def intersect_op(self, expression: exp.Intersect) -> str:
-311            if not expression.args.get("distinct", False):
-312                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
-313            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+310        def commit_sql(self, *_) -> str:
+311            return "COMMIT TRANSACTION"
+312
+313        def rollback_sql(self, *_) -> str:
+314            return "ROLLBACK TRANSACTION"
+315
+316        def in_unnest_op(self, expression: exp.Unnest) -> str:
+317            return self.sql(expression)
+318
+319        def except_op(self, expression: exp.Except) -> str:
+320            if not expression.args.get("distinct", False):
+321                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
+322            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+323
+324        def intersect_op(self, expression: exp.Intersect) -> str:
+325            if not expression.args.get("distinct", False):
+326                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
+327            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+328
+329        def with_properties(self, properties: exp.Properties) -> str:
+330            return self.properties(properties, prefix=self.seg("OPTIONS"))
 
    
 
 
@@ -995,12 +1043,12 @@ Default: True
    - 
    286        def array_sql(self, expression: exp.Array) -> str:
-287            first_arg = seq_get(expression.expressions, 0)
-288            if isinstance(first_arg, exp.Subqueryable):
-289                return f"ARRAY{self.wrap(self.sql(first_arg))}"
-290
-291            return inline_array_sql(self, expression)
+            
    300        def array_sql(self, expression: exp.Array) -> str:
+301            first_arg = seq_get(expression.expressions, 0)
+302            if isinstance(first_arg, exp.Subqueryable):
+303                return f"ARRAY{self.wrap(self.sql(first_arg))}"
+304
+305            return inline_array_sql(self, expression)
 
    
 
 
@@ -1018,8 +1066,8 @@ Default: True
    - 
    293        def transaction_sql(self, *_) -> str:
-294            return "BEGIN TRANSACTION"
+            
    307        def transaction_sql(self, *_) -> str:
+308            return "BEGIN TRANSACTION"
 
    
 
 
@@ -1037,8 +1085,8 @@ Default: True
    - 
    296        def commit_sql(self, *_) -> str:
-297            return "COMMIT TRANSACTION"
+            
    310        def commit_sql(self, *_) -> str:
+311            return "COMMIT TRANSACTION"
 
    
 
 
@@ -1056,8 +1104,8 @@ Default: True
    - 
    299        def rollback_sql(self, *_) -> str:
-300            return "ROLLBACK TRANSACTION"
+            
    313        def rollback_sql(self, *_) -> str:
+314            return "ROLLBACK TRANSACTION"
 
    
 
 
@@ -1075,8 +1123,8 @@ Default: True
    - 
    302        def in_unnest_op(self, expression: exp.Unnest) -> str:
-303            return self.sql(expression)
+            
    316        def in_unnest_op(self, expression: exp.Unnest) -> str:
+317            return self.sql(expression)
 
    
 
 
@@ -1094,10 +1142,10 @@ Default: True
    - 
    305        def except_op(self, expression: exp.Except) -> str:
-306            if not expression.args.get("distinct", False):
-307                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
-308            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+            
    319        def except_op(self, expression: exp.Except) -> str:
+320            if not expression.args.get("distinct", False):
+321                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
+322            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
 
    
 
 
@@ -1115,10 +1163,29 @@ Default: True
    - 
    310        def intersect_op(self, expression: exp.Intersect) -> str:
-311            if not expression.args.get("distinct", False):
-312                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
-313            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+            
    324        def intersect_op(self, expression: exp.Intersect) -> str:
+325            if not expression.args.get("distinct", False):
+326                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
+327            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+
    
+
+
+    
+
+
    +
    + +
    + + def + with_properties(self, properties: sqlglot.expressions.Properties) -> str: + + + +
    + + 
    329        def with_properties(self, properties: exp.Properties) -> str:
+330            return self.properties(properties, prefix=self.seg("OPTIONS"))
    @@ -1179,7 +1246,6 @@ Default: True
    properties_sql
    root_properties
    properties
    -
    with_properties
    locate_properties
    property_sql
    likeproperty_sql
    @@ -1247,7 +1313,7 @@ Default: True
    where_sql
    window_sql
    partition_by_sql
    -
    window_spec_sql
    +
    windowspec_sql
    withingroup_sql
    between_sql
    bracket_sql
    @@ -1256,6 +1322,7 @@ Default: True
    exists_sql
    case_sql
    constraint_sql
    +
    nextvaluefor_sql
    extract_sql
    trim_sql
    concat_sql
    diff --git a/docs/sqlglot/dialects/clickhouse.html b/docs/sqlglot/dialects/clickhouse.html index f1de27d..3d86e48 100644 --- a/docs/sqlglot/dialects/clickhouse.html +++ b/docs/sqlglot/dialects/clickhouse.html @@ -910,7 +910,7 @@ Default: True
    where_sql
    window_sql
    partition_by_sql
    -
    window_spec_sql
    +
    windowspec_sql
    withingroup_sql
    between_sql
    bracket_sql
    @@ -919,6 +919,7 @@ Default: True
    exists_sql
    case_sql
    constraint_sql
    +
    nextvaluefor_sql
    extract_sql
    trim_sql
    concat_sql
    diff --git a/docs/sqlglot/dialects/databricks.html b/docs/sqlglot/dialects/databricks.html index c6b2049..d7f8063 100644 --- a/docs/sqlglot/dialects/databricks.html +++ b/docs/sqlglot/dialects/databricks.html @@ -79,7 +79,7 @@ 
     1from __future__ import annotations
  2
- 3from sqlglot import exp
+ 3from sqlglot import exp, transforms
  4from sqlglot.dialects.dialect import parse_date_delta
  5from sqlglot.dialects.spark import Spark
  6from sqlglot.dialects.tsql import generate_date_delta_with_unit_sql
@@ -108,17 +108,22 @@
 29            exp.DateAdd: generate_date_delta_with_unit_sql,
 30            exp.DateDiff: generate_date_delta_with_unit_sql,
 31            exp.JSONExtract: lambda self, e: self.binary(e, ":"),
-32            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-33        }
-34        TRANSFORMS.pop(exp.Select)  # Remove the ELIMINATE_QUALIFY transformation
-35
-36        PARAMETER_TOKEN = "$"
-37
-38    class Tokenizer(Spark.Tokenizer):
-39        SINGLE_TOKENS = {
-40            **Spark.Tokenizer.SINGLE_TOKENS,
-41            "$": TokenType.PARAMETER,
-42        }
+32            exp.Select: transforms.preprocess(
+33                [
+34                    transforms.eliminate_distinct_on,
+35                    transforms.unnest_to_explode,
+36                ]
+37            ),
+38            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+39        }
+40
+41        PARAMETER_TOKEN = "$"
+42
+43    class Tokenizer(Spark.Tokenizer):
+44        SINGLE_TOKENS = {
+45            **Spark.Tokenizer.SINGLE_TOKENS,
+46            "$": TokenType.PARAMETER,
+47        }
    @@ -156,17 +161,22 @@ 30 exp.DateAdd: generate_date_delta_with_unit_sql, 31 exp.DateDiff: generate_date_delta_with_unit_sql, 32 exp.JSONExtract: lambda self, e: self.binary(e, ":"), -33 exp.ToChar: lambda self, e: self.function_fallback_sql(e), -34 } -35 TRANSFORMS.pop(exp.Select) # Remove the ELIMINATE_QUALIFY transformation -36 -37 PARAMETER_TOKEN = "$" -38 -39 class Tokenizer(Spark.Tokenizer): -40 SINGLE_TOKENS = { -41 **Spark.Tokenizer.SINGLE_TOKENS, -42 "$": TokenType.PARAMETER, -43 } +33 exp.Select: transforms.preprocess( +34 [ +35 transforms.eliminate_distinct_on, +36 transforms.unnest_to_explode, +37 ] +38 ), +39 exp.ToChar: lambda self, e: self.function_fallback_sql(e), +40 } +41 +42 PARAMETER_TOKEN = "$" +43 +44 class Tokenizer(Spark.Tokenizer): +45 SINGLE_TOKENS = { +46 **Spark.Tokenizer.SINGLE_TOKENS, +47 "$": TokenType.PARAMETER, +48 }
    @@ -277,11 +287,16 @@ Default: "nulls_are_small" 30 exp.DateAdd: generate_date_delta_with_unit_sql, 31 exp.DateDiff: generate_date_delta_with_unit_sql, 32 exp.JSONExtract: lambda self, e: self.binary(e, ":"), -33 exp.ToChar: lambda self, e: self.function_fallback_sql(e), -34 } -35 TRANSFORMS.pop(exp.Select) # Remove the ELIMINATE_QUALIFY transformation -36 -37 PARAMETER_TOKEN = "$" +33 exp.Select: transforms.preprocess( +34 [ +35 transforms.eliminate_distinct_on, +36 transforms.unnest_to_explode, +37 ] +38 ), +39 exp.ToChar: lambda self, e: self.function_fallback_sql(e), +40 } +41 +42 PARAMETER_TOKEN = "$" @@ -451,7 +466,7 @@ Default: True
    where_sql
    window_sql
    partition_by_sql
    -
    window_spec_sql
    +
    windowspec_sql
    withingroup_sql
    between_sql
    bracket_sql
    @@ -460,6 +475,7 @@ Default: True
    exists_sql
    case_sql
    constraint_sql
    +
    nextvaluefor_sql
    extract_sql
    trim_sql
    concat_sql
    @@ -557,7 +573,11 @@ Default: True +
    sqlglot.dialects.hive.Hive.Generator
    @@ -574,17 +594,17 @@ Default: True
    class - Databricks.Tokenizer(sqlglot.dialects.spark.Spark.Tokenizer): + Databricks.Tokenizer(sqlglot.dialects.spark2.Spark2.Tokenizer):
    - 
    39    class Tokenizer(Spark.Tokenizer):
-40        SINGLE_TOKENS = {
-41            **Spark.Tokenizer.SINGLE_TOKENS,
-42            "$": TokenType.PARAMETER,
-43        }
+            
    44    class Tokenizer(Spark.Tokenizer):
+45        SINGLE_TOKENS = {
+46            **Spark.Tokenizer.SINGLE_TOKENS,
+47            "$": TokenType.PARAMETER,
+48        }
 
    
 
 
diff --git a/docs/sqlglot/dialects/dialect.html b/docs/sqlglot/dialects/dialect.html
index 16d62bb..bae1758 100644
--- a/docs/sqlglot/dialects/dialect.html
+++ b/docs/sqlglot/dialects/dialect.html
@@ -69,6 +69,9 @@
                         
  • 
                                 SPARK
                         
    • 
+                        
  • 
+                                SPARK2
+                        
    • 
                         
  • 
                                 SQLITE
                         
    • 
@@ -284,480 +287,481 @@
      28    REDSHIFT = "redshift"
  29    SNOWFLAKE = "snowflake"
  30    SPARK = "spark"
- 31    SQLITE = "sqlite"
- 32    STARROCKS = "starrocks"
- 33    TABLEAU = "tableau"
- 34    TRINO = "trino"
- 35    TSQL = "tsql"
- 36    DATABRICKS = "databricks"
- 37    DRILL = "drill"
- 38    TERADATA = "teradata"
- 39
+ 31    SPARK2 = "spark2"
+ 32    SQLITE = "sqlite"
+ 33    STARROCKS = "starrocks"
+ 34    TABLEAU = "tableau"
+ 35    TRINO = "trino"
+ 36    TSQL = "tsql"
+ 37    DATABRICKS = "databricks"
+ 38    DRILL = "drill"
+ 39    TERADATA = "teradata"
  40
- 41class _Dialect(type):
- 42    classes: t.Dict[str, t.Type[Dialect]] = {}
- 43
- 44    @classmethod
- 45    def __getitem__(cls, key: str) -> t.Type[Dialect]:
- 46        return cls.classes[key]
- 47
- 48    @classmethod
- 49    def get(
- 50        cls, key: str, default: t.Optional[t.Type[Dialect]] = None
- 51    ) -> t.Optional[t.Type[Dialect]]:
- 52        return cls.classes.get(key, default)
- 53
- 54    def __new__(cls, clsname, bases, attrs):
- 55        klass = super().__new__(cls, clsname, bases, attrs)
- 56        enum = Dialects.__members__.get(clsname.upper())
- 57        cls.classes[enum.value if enum is not None else clsname.lower()] = klass
- 58
- 59        klass.time_trie = new_trie(klass.time_mapping)
- 60        klass.inverse_time_mapping = {v: k for k, v in klass.time_mapping.items()}
- 61        klass.inverse_time_trie = new_trie(klass.inverse_time_mapping)
- 62
- 63        klass.tokenizer_class = getattr(klass, "Tokenizer", Tokenizer)
- 64        klass.parser_class = getattr(klass, "Parser", Parser)
- 65        klass.generator_class = getattr(klass, "Generator", Generator)
- 66
- 67        klass.quote_start, klass.quote_end = list(klass.tokenizer_class._QUOTES.items())[0]
- 68        klass.identifier_start, klass.identifier_end = list(
- 69            klass.tokenizer_class._IDENTIFIERS.items()
- 70        )[0]
- 71
- 72        if (
- 73            klass.tokenizer_class._BIT_STRINGS
- 74            and exp.BitString not in klass.generator_class.TRANSFORMS
- 75        ):
- 76            bs_start, bs_end = list(klass.tokenizer_class._BIT_STRINGS.items())[0]
- 77            klass.generator_class.TRANSFORMS[
- 78                exp.BitString
- 79            ] = lambda self, e: f"{bs_start}{int(self.sql(e, 'this')):b}{bs_end}"
- 80        if (
- 81            klass.tokenizer_class._HEX_STRINGS
- 82            and exp.HexString not in klass.generator_class.TRANSFORMS
- 83        ):
- 84            hs_start, hs_end = list(klass.tokenizer_class._HEX_STRINGS.items())[0]
- 85            klass.generator_class.TRANSFORMS[
- 86                exp.HexString
- 87            ] = lambda self, e: f"{hs_start}{int(self.sql(e, 'this')):X}{hs_end}"
- 88        if (
- 89            klass.tokenizer_class._BYTE_STRINGS
- 90            and exp.ByteString not in klass.generator_class.TRANSFORMS
- 91        ):
- 92            be_start, be_end = list(klass.tokenizer_class._BYTE_STRINGS.items())[0]
- 93            klass.generator_class.TRANSFORMS[
- 94                exp.ByteString
- 95            ] = lambda self, e: f"{be_start}{self.sql(e, 'this')}{be_end}"
- 96
- 97        return klass
- 98
+ 41
+ 42class _Dialect(type):
+ 43    classes: t.Dict[str, t.Type[Dialect]] = {}
+ 44
+ 45    @classmethod
+ 46    def __getitem__(cls, key: str) -> t.Type[Dialect]:
+ 47        return cls.classes[key]
+ 48
+ 49    @classmethod
+ 50    def get(
+ 51        cls, key: str, default: t.Optional[t.Type[Dialect]] = None
+ 52    ) -> t.Optional[t.Type[Dialect]]:
+ 53        return cls.classes.get(key, default)
+ 54
+ 55    def __new__(cls, clsname, bases, attrs):
+ 56        klass = super().__new__(cls, clsname, bases, attrs)
+ 57        enum = Dialects.__members__.get(clsname.upper())
+ 58        cls.classes[enum.value if enum is not None else clsname.lower()] = klass
+ 59
+ 60        klass.time_trie = new_trie(klass.time_mapping)
+ 61        klass.inverse_time_mapping = {v: k for k, v in klass.time_mapping.items()}
+ 62        klass.inverse_time_trie = new_trie(klass.inverse_time_mapping)
+ 63
+ 64        klass.tokenizer_class = getattr(klass, "Tokenizer", Tokenizer)
+ 65        klass.parser_class = getattr(klass, "Parser", Parser)
+ 66        klass.generator_class = getattr(klass, "Generator", Generator)
+ 67
+ 68        klass.quote_start, klass.quote_end = list(klass.tokenizer_class._QUOTES.items())[0]
+ 69        klass.identifier_start, klass.identifier_end = list(
+ 70            klass.tokenizer_class._IDENTIFIERS.items()
+ 71        )[0]
+ 72
+ 73        if (
+ 74            klass.tokenizer_class._BIT_STRINGS
+ 75            and exp.BitString not in klass.generator_class.TRANSFORMS
+ 76        ):
+ 77            bs_start, bs_end = list(klass.tokenizer_class._BIT_STRINGS.items())[0]
+ 78            klass.generator_class.TRANSFORMS[
+ 79                exp.BitString
+ 80            ] = lambda self, e: f"{bs_start}{int(self.sql(e, 'this')):b}{bs_end}"
+ 81        if (
+ 82            klass.tokenizer_class._HEX_STRINGS
+ 83            and exp.HexString not in klass.generator_class.TRANSFORMS
+ 84        ):
+ 85            hs_start, hs_end = list(klass.tokenizer_class._HEX_STRINGS.items())[0]
+ 86            klass.generator_class.TRANSFORMS[
+ 87                exp.HexString
+ 88            ] = lambda self, e: f"{hs_start}{int(self.sql(e, 'this')):X}{hs_end}"
+ 89        if (
+ 90            klass.tokenizer_class._BYTE_STRINGS
+ 91            and exp.ByteString not in klass.generator_class.TRANSFORMS
+ 92        ):
+ 93            be_start, be_end = list(klass.tokenizer_class._BYTE_STRINGS.items())[0]
+ 94            klass.generator_class.TRANSFORMS[
+ 95                exp.ByteString
+ 96            ] = lambda self, e: f"{be_start}{self.sql(e, 'this')}{be_end}"
+ 97
+ 98        return klass
  99
-100class Dialect(metaclass=_Dialect):
-101    index_offset = 0
-102    unnest_column_only = False
-103    alias_post_tablesample = False
-104    normalize_functions: t.Optional[str] = "upper"
-105    null_ordering = "nulls_are_small"
-106
-107    date_format = "'%Y-%m-%d'"
-108    dateint_format = "'%Y%m%d'"
-109    time_format = "'%Y-%m-%d %H:%M:%S'"
-110    time_mapping: t.Dict[str, str] = {}
-111
-112    # autofilled
-113    quote_start = None
-114    quote_end = None
-115    identifier_start = None
-116    identifier_end = None
-117
-118    time_trie = None
-119    inverse_time_mapping = None
-120    inverse_time_trie = None
-121    tokenizer_class = None
-122    parser_class = None
-123    generator_class = None
-124
-125    @classmethod
-126    def get_or_raise(cls, dialect: DialectType) -> t.Type[Dialect]:
-127        if not dialect:
-128            return cls
-129        if isinstance(dialect, _Dialect):
-130            return dialect
-131        if isinstance(dialect, Dialect):
-132            return dialect.__class__
-133
-134        result = cls.get(dialect)
-135        if not result:
-136            raise ValueError(f"Unknown dialect '{dialect}'")
-137
-138        return result
-139
-140    @classmethod
-141    def format_time(
-142        cls, expression: t.Optional[str | exp.Expression]
-143    ) -> t.Optional[exp.Expression]:
-144        if isinstance(expression, str):
-145            return exp.Literal.string(
-146                format_time(
-147                    expression[1:-1],  # the time formats are quoted
-148                    cls.time_mapping,
-149                    cls.time_trie,
-150                )
-151            )
-152        if expression and expression.is_string:
-153            return exp.Literal.string(
-154                format_time(
-155                    expression.this,
-156                    cls.time_mapping,
-157                    cls.time_trie,
-158                )
-159            )
-160        return expression
-161
-162    def parse(self, sql: str, **opts) -> t.List[t.Optional[exp.Expression]]:
-163        return self.parser(**opts).parse(self.tokenize(sql), sql)
-164
-165    def parse_into(
-166        self, expression_type: exp.IntoType, sql: str, **opts
-167    ) -> t.List[t.Optional[exp.Expression]]:
-168        return self.parser(**opts).parse_into(expression_type, self.tokenize(sql), sql)
-169
-170    def generate(self, expression: t.Optional[exp.Expression], **opts) -> str:
-171        return self.generator(**opts).generate(expression)
-172
-173    def transpile(self, sql: str, **opts) -> t.List[str]:
-174        return [self.generate(expression, **opts) for expression in self.parse(sql)]
-175
-176    def tokenize(self, sql: str) -> t.List[Token]:
-177        return self.tokenizer.tokenize(sql)
-178
-179    @property
-180    def tokenizer(self) -> Tokenizer:
-181        if not hasattr(self, "_tokenizer"):
-182            self._tokenizer = self.tokenizer_class()  # type: ignore
-183        return self._tokenizer
-184
-185    def parser(self, **opts) -> Parser:
-186        return self.parser_class(  # type: ignore
-187            **{
-188                "index_offset": self.index_offset,
-189                "unnest_column_only": self.unnest_column_only,
-190                "alias_post_tablesample": self.alias_post_tablesample,
-191                "null_ordering": self.null_ordering,
-192                **opts,
-193            },
-194        )
-195
-196    def generator(self, **opts) -> Generator:
-197        return self.generator_class(  # type: ignore
-198            **{
-199                "quote_start": self.quote_start,
-200                "quote_end": self.quote_end,
-201                "identifier_start": self.identifier_start,
-202                "identifier_end": self.identifier_end,
-203                "string_escape": self.tokenizer_class.STRING_ESCAPES[0],
-204                "identifier_escape": self.tokenizer_class.IDENTIFIER_ESCAPES[0],
-205                "index_offset": self.index_offset,
-206                "time_mapping": self.inverse_time_mapping,
-207                "time_trie": self.inverse_time_trie,
-208                "unnest_column_only": self.unnest_column_only,
-209                "alias_post_tablesample": self.alias_post_tablesample,
-210                "normalize_functions": self.normalize_functions,
-211                "null_ordering": self.null_ordering,
-212                **opts,
-213            }
-214        )
-215
+100
+101class Dialect(metaclass=_Dialect):
+102    index_offset = 0
+103    unnest_column_only = False
+104    alias_post_tablesample = False
+105    normalize_functions: t.Optional[str] = "upper"
+106    null_ordering = "nulls_are_small"
+107
+108    date_format = "'%Y-%m-%d'"
+109    dateint_format = "'%Y%m%d'"
+110    time_format = "'%Y-%m-%d %H:%M:%S'"
+111    time_mapping: t.Dict[str, str] = {}
+112
+113    # autofilled
+114    quote_start = None
+115    quote_end = None
+116    identifier_start = None
+117    identifier_end = None
+118
+119    time_trie = None
+120    inverse_time_mapping = None
+121    inverse_time_trie = None
+122    tokenizer_class = None
+123    parser_class = None
+124    generator_class = None
+125
+126    @classmethod
+127    def get_or_raise(cls, dialect: DialectType) -> t.Type[Dialect]:
+128        if not dialect:
+129            return cls
+130        if isinstance(dialect, _Dialect):
+131            return dialect
+132        if isinstance(dialect, Dialect):
+133            return dialect.__class__
+134
+135        result = cls.get(dialect)
+136        if not result:
+137            raise ValueError(f"Unknown dialect '{dialect}'")
+138
+139        return result
+140
+141    @classmethod
+142    def format_time(
+143        cls, expression: t.Optional[str | exp.Expression]
+144    ) -> t.Optional[exp.Expression]:
+145        if isinstance(expression, str):
+146            return exp.Literal.string(
+147                format_time(
+148                    expression[1:-1],  # the time formats are quoted
+149                    cls.time_mapping,
+150                    cls.time_trie,
+151                )
+152            )
+153        if expression and expression.is_string:
+154            return exp.Literal.string(
+155                format_time(
+156                    expression.this,
+157                    cls.time_mapping,
+158                    cls.time_trie,
+159                )
+160            )
+161        return expression
+162
+163    def parse(self, sql: str, **opts) -> t.List[t.Optional[exp.Expression]]:
+164        return self.parser(**opts).parse(self.tokenize(sql), sql)
+165
+166    def parse_into(
+167        self, expression_type: exp.IntoType, sql: str, **opts
+168    ) -> t.List[t.Optional[exp.Expression]]:
+169        return self.parser(**opts).parse_into(expression_type, self.tokenize(sql), sql)
+170
+171    def generate(self, expression: t.Optional[exp.Expression], **opts) -> str:
+172        return self.generator(**opts).generate(expression)
+173
+174    def transpile(self, sql: str, **opts) -> t.List[str]:
+175        return [self.generate(expression, **opts) for expression in self.parse(sql)]
+176
+177    def tokenize(self, sql: str) -> t.List[Token]:
+178        return self.tokenizer.tokenize(sql)
+179
+180    @property
+181    def tokenizer(self) -> Tokenizer:
+182        if not hasattr(self, "_tokenizer"):
+183            self._tokenizer = self.tokenizer_class()  # type: ignore
+184        return self._tokenizer
+185
+186    def parser(self, **opts) -> Parser:
+187        return self.parser_class(  # type: ignore
+188            **{
+189                "index_offset": self.index_offset,
+190                "unnest_column_only": self.unnest_column_only,
+191                "alias_post_tablesample": self.alias_post_tablesample,
+192                "null_ordering": self.null_ordering,
+193                **opts,
+194            },
+195        )
+196
+197    def generator(self, **opts) -> Generator:
+198        return self.generator_class(  # type: ignore
+199            **{
+200                "quote_start": self.quote_start,
+201                "quote_end": self.quote_end,
+202                "identifier_start": self.identifier_start,
+203                "identifier_end": self.identifier_end,
+204                "string_escape": self.tokenizer_class.STRING_ESCAPES[0],
+205                "identifier_escape": self.tokenizer_class.IDENTIFIER_ESCAPES[0],
+206                "index_offset": self.index_offset,
+207                "time_mapping": self.inverse_time_mapping,
+208                "time_trie": self.inverse_time_trie,
+209                "unnest_column_only": self.unnest_column_only,
+210                "alias_post_tablesample": self.alias_post_tablesample,
+211                "normalize_functions": self.normalize_functions,
+212                "null_ordering": self.null_ordering,
+213                **opts,
+214            }
+215        )
 216
-217DialectType = t.Union[str, Dialect, t.Type[Dialect], None]
-218
+217
+218DialectType = t.Union[str, Dialect, t.Type[Dialect], None]
 219
-220def rename_func(name: str) -> t.Callable[[Generator, exp.Expression], str]:
-221    return lambda self, expression: self.func(name, *flatten(expression.args.values()))
-222
+220
+221def rename_func(name: str) -> t.Callable[[Generator, exp.Expression], str]:
+222    return lambda self, expression: self.func(name, *flatten(expression.args.values()))
 223
-224def approx_count_distinct_sql(self: Generator, expression: exp.ApproxDistinct) -> str:
-225    if expression.args.get("accuracy"):
-226        self.unsupported("APPROX_COUNT_DISTINCT does not support accuracy")
-227    return self.func("APPROX_COUNT_DISTINCT", expression.this)
-228
+224
+225def approx_count_distinct_sql(self: Generator, expression: exp.ApproxDistinct) -> str:
+226    if expression.args.get("accuracy"):
+227        self.unsupported("APPROX_COUNT_DISTINCT does not support accuracy")
+228    return self.func("APPROX_COUNT_DISTINCT", expression.this)
 229
-230def if_sql(self: Generator, expression: exp.If) -> str:
-231    return self.func(
-232        "IF", expression.this, expression.args.get("true"), expression.args.get("false")
-233    )
-234
+230
+231def if_sql(self: Generator, expression: exp.If) -> str:
+232    return self.func(
+233        "IF", expression.this, expression.args.get("true"), expression.args.get("false")
+234    )
 235
-236def arrow_json_extract_sql(self: Generator, expression: exp.JSONExtract | exp.JSONBExtract) -> str:
-237    return self.binary(expression, "->")
-238
+236
+237def arrow_json_extract_sql(self: Generator, expression: exp.JSONExtract | exp.JSONBExtract) -> str:
+238    return self.binary(expression, "->")
 239
-240def arrow_json_extract_scalar_sql(
-241    self: Generator, expression: exp.JSONExtractScalar | exp.JSONBExtractScalar
-242) -> str:
-243    return self.binary(expression, "->>")
-244
+240
+241def arrow_json_extract_scalar_sql(
+242    self: Generator, expression: exp.JSONExtractScalar | exp.JSONBExtractScalar
+243) -> str:
+244    return self.binary(expression, "->>")
 245
-246def inline_array_sql(self: Generator, expression: exp.Array) -> str:
-247    return f"[{self.expressions(expression)}]"
-248
+246
+247def inline_array_sql(self: Generator, expression: exp.Array) -> str:
+248    return f"[{self.expressions(expression)}]"
 249
-250def no_ilike_sql(self: Generator, expression: exp.ILike) -> str:
-251    return self.like_sql(
-252        exp.Like(
-253            this=exp.Lower(this=expression.this),
-254            expression=expression.args["expression"],
-255        )
-256    )
-257
+250
+251def no_ilike_sql(self: Generator, expression: exp.ILike) -> str:
+252    return self.like_sql(
+253        exp.Like(
+254            this=exp.Lower(this=expression.this),
+255            expression=expression.args["expression"],
+256        )
+257    )
 258
-259def no_paren_current_date_sql(self: Generator, expression: exp.CurrentDate) -> str:
-260    zone = self.sql(expression, "this")
-261    return f"CURRENT_DATE AT TIME ZONE {zone}" if zone else "CURRENT_DATE"
-262
+259
+260def no_paren_current_date_sql(self: Generator, expression: exp.CurrentDate) -> str:
+261    zone = self.sql(expression, "this")
+262    return f"CURRENT_DATE AT TIME ZONE {zone}" if zone else "CURRENT_DATE"
 263
-264def no_recursive_cte_sql(self: Generator, expression: exp.With) -> str:
-265    if expression.args.get("recursive"):
-266        self.unsupported("Recursive CTEs are unsupported")
-267        expression.args["recursive"] = False
-268    return self.with_sql(expression)
-269
+264
+265def no_recursive_cte_sql(self: Generator, expression: exp.With) -> str:
+266    if expression.args.get("recursive"):
+267        self.unsupported("Recursive CTEs are unsupported")
+268        expression.args["recursive"] = False
+269    return self.with_sql(expression)
 270
-271def no_safe_divide_sql(self: Generator, expression: exp.SafeDivide) -> str:
-272    n = self.sql(expression, "this")
-273    d = self.sql(expression, "expression")
-274    return f"IF({d} <> 0, {n} / {d}, NULL)"
-275
+271
+272def no_safe_divide_sql(self: Generator, expression: exp.SafeDivide) -> str:
+273    n = self.sql(expression, "this")
+274    d = self.sql(expression, "expression")
+275    return f"IF({d} <> 0, {n} / {d}, NULL)"
 276
-277def no_tablesample_sql(self: Generator, expression: exp.TableSample) -> str:
-278    self.unsupported("TABLESAMPLE unsupported")
-279    return self.sql(expression.this)
-280
+277
+278def no_tablesample_sql(self: Generator, expression: exp.TableSample) -> str:
+279    self.unsupported("TABLESAMPLE unsupported")
+280    return self.sql(expression.this)
 281
-282def no_pivot_sql(self: Generator, expression: exp.Pivot) -> str:
-283    self.unsupported("PIVOT unsupported")
-284    return self.sql(expression)
-285
+282
+283def no_pivot_sql(self: Generator, expression: exp.Pivot) -> str:
+284    self.unsupported("PIVOT unsupported")
+285    return self.sql(expression)
 286
-287def no_trycast_sql(self: Generator, expression: exp.TryCast) -> str:
-288    return self.cast_sql(expression)
-289
+287
+288def no_trycast_sql(self: Generator, expression: exp.TryCast) -> str:
+289    return self.cast_sql(expression)
 290
-291def no_properties_sql(self: Generator, expression: exp.Properties) -> str:
-292    self.unsupported("Properties unsupported")
-293    return ""
-294
+291
+292def no_properties_sql(self: Generator, expression: exp.Properties) -> str:
+293    self.unsupported("Properties unsupported")
+294    return ""
 295
-296def no_comment_column_constraint_sql(
-297    self: Generator, expression: exp.CommentColumnConstraint
-298) -> str:
-299    self.unsupported("CommentColumnConstraint unsupported")
-300    return ""
-301
+296
+297def no_comment_column_constraint_sql(
+298    self: Generator, expression: exp.CommentColumnConstraint
+299) -> str:
+300    self.unsupported("CommentColumnConstraint unsupported")
+301    return ""
 302
-303def str_position_sql(self: Generator, expression: exp.StrPosition) -> str:
-304    this = self.sql(expression, "this")
-305    substr = self.sql(expression, "substr")
-306    position = self.sql(expression, "position")
-307    if position:
-308        return f"STRPOS(SUBSTR({this}, {position}), {substr}) + {position} - 1"
-309    return f"STRPOS({this}, {substr})"
-310
+303
+304def str_position_sql(self: Generator, expression: exp.StrPosition) -> str:
+305    this = self.sql(expression, "this")
+306    substr = self.sql(expression, "substr")
+307    position = self.sql(expression, "position")
+308    if position:
+309        return f"STRPOS(SUBSTR({this}, {position}), {substr}) + {position} - 1"
+310    return f"STRPOS({this}, {substr})"
 311
-312def struct_extract_sql(self: Generator, expression: exp.StructExtract) -> str:
-313    this = self.sql(expression, "this")
-314    struct_key = self.sql(exp.Identifier(this=expression.expression, quoted=True))
-315    return f"{this}.{struct_key}"
-316
+312
+313def struct_extract_sql(self: Generator, expression: exp.StructExtract) -> str:
+314    this = self.sql(expression, "this")
+315    struct_key = self.sql(exp.Identifier(this=expression.expression, quoted=True))
+316    return f"{this}.{struct_key}"
 317
-318def var_map_sql(
-319    self: Generator, expression: exp.Map | exp.VarMap, map_func_name: str = "MAP"
-320) -> str:
-321    keys = expression.args["keys"]
-322    values = expression.args["values"]
-323
-324    if not isinstance(keys, exp.Array) or not isinstance(values, exp.Array):
-325        self.unsupported("Cannot convert array columns into map.")
-326        return self.func(map_func_name, keys, values)
-327
-328    args = []
-329    for key, value in zip(keys.expressions, values.expressions):
-330        args.append(self.sql(key))
-331        args.append(self.sql(value))
-332    return self.func(map_func_name, *args)
-333
+318
+319def var_map_sql(
+320    self: Generator, expression: exp.Map | exp.VarMap, map_func_name: str = "MAP"
+321) -> str:
+322    keys = expression.args["keys"]
+323    values = expression.args["values"]
+324
+325    if not isinstance(keys, exp.Array) or not isinstance(values, exp.Array):
+326        self.unsupported("Cannot convert array columns into map.")
+327        return self.func(map_func_name, keys, values)
+328
+329    args = []
+330    for key, value in zip(keys.expressions, values.expressions):
+331        args.append(self.sql(key))
+332        args.append(self.sql(value))
+333    return self.func(map_func_name, *args)
 334
-335def format_time_lambda(
-336    exp_class: t.Type[E], dialect: str, default: t.Optional[bool | str] = None
-337) -> t.Callable[[t.Sequence], E]:
-338    """Helper used for time expressions.
-339
-340    Args:
-341        exp_class: the expression class to instantiate.
-342        dialect: target sql dialect.
-343        default: the default format, True being time.
-344
-345    Returns:
-346        A callable that can be used to return the appropriately formatted time expression.
-347    """
-348
-349    def _format_time(args: t.Sequence):
-350        return exp_class(
-351            this=seq_get(args, 0),
-352            format=Dialect[dialect].format_time(
-353                seq_get(args, 1)
-354                or (Dialect[dialect].time_format if default is True else default or None)
-355            ),
-356        )
-357
-358    return _format_time
-359
+335
+336def format_time_lambda(
+337    exp_class: t.Type[E], dialect: str, default: t.Optional[bool | str] = None
+338) -> t.Callable[[t.Sequence], E]:
+339    """Helper used for time expressions.
+340
+341    Args:
+342        exp_class: the expression class to instantiate.
+343        dialect: target sql dialect.
+344        default: the default format, True being time.
+345
+346    Returns:
+347        A callable that can be used to return the appropriately formatted time expression.
+348    """
+349
+350    def _format_time(args: t.Sequence):
+351        return exp_class(
+352            this=seq_get(args, 0),
+353            format=Dialect[dialect].format_time(
+354                seq_get(args, 1)
+355                or (Dialect[dialect].time_format if default is True else default or None)
+356            ),
+357        )
+358
+359    return _format_time
 360
-361def create_with_partitions_sql(self: Generator, expression: exp.Create) -> str:
-362    """
-363    In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the
-364    PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding
-365    columns are removed from the create statement.
-366    """
-367    has_schema = isinstance(expression.this, exp.Schema)
-368    is_partitionable = expression.args.get("kind") in ("TABLE", "VIEW")
-369
-370    if has_schema and is_partitionable:
-371        expression = expression.copy()
-372        prop = expression.find(exp.PartitionedByProperty)
-373        if prop and prop.this and not isinstance(prop.this, exp.Schema):
-374            schema = expression.this
-375            columns = {v.name.upper() for v in prop.this.expressions}
-376            partitions = [col for col in schema.expressions if col.name.upper() in columns]
-377            schema.set("expressions", [e for e in schema.expressions if e not in partitions])
-378            prop.replace(exp.PartitionedByProperty(this=exp.Schema(expressions=partitions)))
-379            expression.set("this", schema)
-380
-381    return self.create_sql(expression)
-382
+361
+362def create_with_partitions_sql(self: Generator, expression: exp.Create) -> str:
+363    """
+364    In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the
+365    PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding
+366    columns are removed from the create statement.
+367    """
+368    has_schema = isinstance(expression.this, exp.Schema)
+369    is_partitionable = expression.args.get("kind") in ("TABLE", "VIEW")
+370
+371    if has_schema and is_partitionable:
+372        expression = expression.copy()
+373        prop = expression.find(exp.PartitionedByProperty)
+374        if prop and prop.this and not isinstance(prop.this, exp.Schema):
+375            schema = expression.this
+376            columns = {v.name.upper() for v in prop.this.expressions}
+377            partitions = [col for col in schema.expressions if col.name.upper() in columns]
+378            schema.set("expressions", [e for e in schema.expressions if e not in partitions])
+379            prop.replace(exp.PartitionedByProperty(this=exp.Schema(expressions=partitions)))
+380            expression.set("this", schema)
+381
+382    return self.create_sql(expression)
 383
-384def parse_date_delta(
-385    exp_class: t.Type[E], unit_mapping: t.Optional[t.Dict[str, str]] = None
-386) -> t.Callable[[t.Sequence], E]:
-387    def inner_func(args: t.Sequence) -> E:
-388        unit_based = len(args) == 3
-389        this = args[2] if unit_based else seq_get(args, 0)
-390        unit = args[0] if unit_based else exp.Literal.string("DAY")
-391        unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit
-392        return exp_class(this=this, expression=seq_get(args, 1), unit=unit)
-393
-394    return inner_func
-395
+384
+385def parse_date_delta(
+386    exp_class: t.Type[E], unit_mapping: t.Optional[t.Dict[str, str]] = None
+387) -> t.Callable[[t.Sequence], E]:
+388    def inner_func(args: t.Sequence) -> E:
+389        unit_based = len(args) == 3
+390        this = args[2] if unit_based else seq_get(args, 0)
+391        unit = args[0] if unit_based else exp.Literal.string("DAY")
+392        unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit
+393        return exp_class(this=this, expression=seq_get(args, 1), unit=unit)
+394
+395    return inner_func
 396
-397def parse_date_delta_with_interval(
-398    expression_class: t.Type[E],
-399) -> t.Callable[[t.Sequence], t.Optional[E]]:
-400    def func(args: t.Sequence) -> t.Optional[E]:
-401        if len(args) < 2:
-402            return None
-403
-404        interval = args[1]
-405        expression = interval.this
-406        if expression and expression.is_string:
-407            expression = exp.Literal.number(expression.this)
-408
-409        return expression_class(
-410            this=args[0],
-411            expression=expression,
-412            unit=exp.Literal.string(interval.text("unit")),
-413        )
-414
-415    return func
-416
+397
+398def parse_date_delta_with_interval(
+399    expression_class: t.Type[E],
+400) -> t.Callable[[t.Sequence], t.Optional[E]]:
+401    def func(args: t.Sequence) -> t.Optional[E]:
+402        if len(args) < 2:
+403            return None
+404
+405        interval = args[1]
+406        expression = interval.this
+407        if expression and expression.is_string:
+408            expression = exp.Literal.number(expression.this)
+409
+410        return expression_class(
+411            this=args[0],
+412            expression=expression,
+413            unit=exp.Literal.string(interval.text("unit")),
+414        )
+415
+416    return func
 417
-418def date_trunc_to_time(args: t.Sequence) -> exp.DateTrunc | exp.TimestampTrunc:
-419    unit = seq_get(args, 0)
-420    this = seq_get(args, 1)
-421
-422    if isinstance(this, exp.Cast) and this.is_type(exp.DataType.Type.DATE):
-423        return exp.DateTrunc(unit=unit, this=this)
-424    return exp.TimestampTrunc(this=this, unit=unit)
-425
+418
+419def date_trunc_to_time(args: t.Sequence) -> exp.DateTrunc | exp.TimestampTrunc:
+420    unit = seq_get(args, 0)
+421    this = seq_get(args, 1)
+422
+423    if isinstance(this, exp.Cast) and this.is_type(exp.DataType.Type.DATE):
+424        return exp.DateTrunc(unit=unit, this=this)
+425    return exp.TimestampTrunc(this=this, unit=unit)
 426
-427def timestamptrunc_sql(self: Generator, expression: exp.TimestampTrunc) -> str:
-428    return self.func(
-429        "DATE_TRUNC", exp.Literal.string(expression.text("unit") or "day"), expression.this
-430    )
-431
+427
+428def timestamptrunc_sql(self: Generator, expression: exp.TimestampTrunc) -> str:
+429    return self.func(
+430        "DATE_TRUNC", exp.Literal.string(expression.text("unit") or "day"), expression.this
+431    )
 432
-433def locate_to_strposition(args: t.Sequence) -> exp.Expression:
-434    return exp.StrPosition(
-435        this=seq_get(args, 1),
-436        substr=seq_get(args, 0),
-437        position=seq_get(args, 2),
-438    )
-439
+433
+434def locate_to_strposition(args: t.Sequence) -> exp.Expression:
+435    return exp.StrPosition(
+436        this=seq_get(args, 1),
+437        substr=seq_get(args, 0),
+438        position=seq_get(args, 2),
+439    )
 440
-441def strposition_to_locate_sql(self: Generator, expression: exp.StrPosition) -> str:
-442    return self.func(
-443        "LOCATE", expression.args.get("substr"), expression.this, expression.args.get("position")
-444    )
-445
+441
+442def strposition_to_locate_sql(self: Generator, expression: exp.StrPosition) -> str:
+443    return self.func(
+444        "LOCATE", expression.args.get("substr"), expression.this, expression.args.get("position")
+445    )
 446
-447def timestrtotime_sql(self: Generator, expression: exp.TimeStrToTime) -> str:
-448    return f"CAST({self.sql(expression, 'this')} AS TIMESTAMP)"
-449
+447
+448def timestrtotime_sql(self: Generator, expression: exp.TimeStrToTime) -> str:
+449    return f"CAST({self.sql(expression, 'this')} AS TIMESTAMP)"
 450
-451def datestrtodate_sql(self: Generator, expression: exp.DateStrToDate) -> str:
-452    return f"CAST({self.sql(expression, 'this')} AS DATE)"
-453
+451
+452def datestrtodate_sql(self: Generator, expression: exp.DateStrToDate) -> str:
+453    return f"CAST({self.sql(expression, 'this')} AS DATE)"
 454
-455def min_or_least(self: Generator, expression: exp.Min) -> str:
-456    name = "LEAST" if expression.expressions else "MIN"
-457    return rename_func(name)(self, expression)
-458
+455
+456def min_or_least(self: Generator, expression: exp.Min) -> str:
+457    name = "LEAST" if expression.expressions else "MIN"
+458    return rename_func(name)(self, expression)
 459
-460def max_or_greatest(self: Generator, expression: exp.Max) -> str:
-461    name = "GREATEST" if expression.expressions else "MAX"
-462    return rename_func(name)(self, expression)
-463
+460
+461def max_or_greatest(self: Generator, expression: exp.Max) -> str:
+462    name = "GREATEST" if expression.expressions else "MAX"
+463    return rename_func(name)(self, expression)
 464
-465def count_if_to_sum(self: Generator, expression: exp.CountIf) -> str:
-466    cond = expression.this
-467
-468    if isinstance(expression.this, exp.Distinct):
-469        cond = expression.this.expressions[0]
-470        self.unsupported("DISTINCT is not supported when converting COUNT_IF to SUM")
-471
-472    return self.func("sum", exp.func("if", cond, 1, 0))
-473
+465
+466def count_if_to_sum(self: Generator, expression: exp.CountIf) -> str:
+467    cond = expression.this
+468
+469    if isinstance(expression.this, exp.Distinct):
+470        cond = expression.this.expressions[0]
+471        self.unsupported("DISTINCT is not supported when converting COUNT_IF to SUM")
+472
+473    return self.func("sum", exp.func("if", cond, 1, 0))
 474
-475def trim_sql(self: Generator, expression: exp.Trim) -> str:
-476    target = self.sql(expression, "this")
-477    trim_type = self.sql(expression, "position")
-478    remove_chars = self.sql(expression, "expression")
-479    collation = self.sql(expression, "collation")
-480
-481    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific
-482    if not remove_chars and not collation:
-483        return self.trim_sql(expression)
-484
-485    trim_type = f"{trim_type} " if trim_type else ""
-486    remove_chars = f"{remove_chars} " if remove_chars else ""
-487    from_part = "FROM " if trim_type or remove_chars else ""
-488    collation = f" COLLATE {collation}" if collation else ""
-489    return f"TRIM({trim_type}{remove_chars}{from_part}{target}{collation})"
-490
+475
+476def trim_sql(self: Generator, expression: exp.Trim) -> str:
+477    target = self.sql(expression, "this")
+478    trim_type = self.sql(expression, "position")
+479    remove_chars = self.sql(expression, "expression")
+480    collation = self.sql(expression, "collation")
+481
+482    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific
+483    if not remove_chars and not collation:
+484        return self.trim_sql(expression)
+485
+486    trim_type = f"{trim_type} " if trim_type else ""
+487    remove_chars = f"{remove_chars} " if remove_chars else ""
+488    from_part = "FROM " if trim_type or remove_chars else ""
+489    collation = f" COLLATE {collation}" if collation else ""
+490    return f"TRIM({trim_type}{remove_chars}{from_part}{target}{collation})"
 491
-492def str_to_time_sql(self, expression: exp.Expression) -> str:
-493    return self.func("STRPTIME", expression.this, self.format_time(expression))
-494
+492
+493def str_to_time_sql(self, expression: exp.Expression) -> str:
+494    return self.func("STRPTIME", expression.this, self.format_time(expression))
 495
-496def ts_or_ds_to_date_sql(dialect: str) -> t.Callable:
-497    def _ts_or_ds_to_date_sql(self: Generator, expression: exp.TsOrDsToDate) -> str:
-498        _dialect = Dialect.get_or_raise(dialect)
-499        time_format = self.format_time(expression)
-500        if time_format and time_format not in (_dialect.time_format, _dialect.date_format):
-501            return f"CAST({str_to_time_sql(self, expression)} AS DATE)"
-502        return f"CAST({self.sql(expression, 'this')} AS DATE)"
-503
-504    return _ts_or_ds_to_date_sql
+496
+497def ts_or_ds_to_date_sql(dialect: str) -> t.Callable:
+498    def _ts_or_ds_to_date_sql(self: Generator, expression: exp.TsOrDsToDate) -> str:
+499        _dialect = Dialect.get_or_raise(dialect)
+500        time_format = self.format_time(expression)
+501        if time_format and time_format not in (_dialect.time_format, _dialect.date_format):
+502            return f"CAST({str_to_time_sql(self, expression)} AS DATE)"
+503        return f"CAST({self.sql(expression, 'this')} AS DATE)"
+504
+505    return _ts_or_ds_to_date_sql
    @@ -787,14 +791,15 @@ 29 REDSHIFT = "redshift" 30 SNOWFLAKE = "snowflake" 31 SPARK = "spark" -32 SQLITE = "sqlite" -33 STARROCKS = "starrocks" -34 TABLEAU = "tableau" -35 TRINO = "trino" -36 TSQL = "tsql" -37 DATABRICKS = "databricks" -38 DRILL = "drill" -39 TERADATA = "teradata" +32 SPARK2 = "spark2" +33 SQLITE = "sqlite" +34 STARROCKS = "starrocks" +35 TABLEAU = "tableau" +36 TRINO = "trino" +37 TSQL = "tsql" +38 DATABRICKS = "databricks" +39 DRILL = "drill" +40 TERADATA = "teradata"
    @@ -945,6 +950,18 @@ + +
    +
    + SPARK2 = +<Dialects.SPARK2: 'spark2'> + + +
    + + + +
    @@ -1114,121 +1131,121 @@
    - 
    101class Dialect(metaclass=_Dialect):
-102    index_offset = 0
-103    unnest_column_only = False
-104    alias_post_tablesample = False
-105    normalize_functions: t.Optional[str] = "upper"
-106    null_ordering = "nulls_are_small"
-107
-108    date_format = "'%Y-%m-%d'"
-109    dateint_format = "'%Y%m%d'"
-110    time_format = "'%Y-%m-%d %H:%M:%S'"
-111    time_mapping: t.Dict[str, str] = {}
-112
-113    # autofilled
-114    quote_start = None
-115    quote_end = None
-116    identifier_start = None
-117    identifier_end = None
-118
-119    time_trie = None
-120    inverse_time_mapping = None
-121    inverse_time_trie = None
-122    tokenizer_class = None
-123    parser_class = None
-124    generator_class = None
-125
-126    @classmethod
-127    def get_or_raise(cls, dialect: DialectType) -> t.Type[Dialect]:
-128        if not dialect:
-129            return cls
-130        if isinstance(dialect, _Dialect):
-131            return dialect
-132        if isinstance(dialect, Dialect):
-133            return dialect.__class__
-134
-135        result = cls.get(dialect)
-136        if not result:
-137            raise ValueError(f"Unknown dialect '{dialect}'")
-138
-139        return result
-140
-141    @classmethod
-142    def format_time(
-143        cls, expression: t.Optional[str | exp.Expression]
-144    ) -> t.Optional[exp.Expression]:
-145        if isinstance(expression, str):
-146            return exp.Literal.string(
-147                format_time(
-148                    expression[1:-1],  # the time formats are quoted
-149                    cls.time_mapping,
-150                    cls.time_trie,
-151                )
-152            )
-153        if expression and expression.is_string:
-154            return exp.Literal.string(
-155                format_time(
-156                    expression.this,
-157                    cls.time_mapping,
-158                    cls.time_trie,
-159                )
-160            )
-161        return expression
-162
-163    def parse(self, sql: str, **opts) -> t.List[t.Optional[exp.Expression]]:
-164        return self.parser(**opts).parse(self.tokenize(sql), sql)
-165
-166    def parse_into(
-167        self, expression_type: exp.IntoType, sql: str, **opts
-168    ) -> t.List[t.Optional[exp.Expression]]:
-169        return self.parser(**opts).parse_into(expression_type, self.tokenize(sql), sql)
-170
-171    def generate(self, expression: t.Optional[exp.Expression], **opts) -> str:
-172        return self.generator(**opts).generate(expression)
-173
-174    def transpile(self, sql: str, **opts) -> t.List[str]:
-175        return [self.generate(expression, **opts) for expression in self.parse(sql)]
-176
-177    def tokenize(self, sql: str) -> t.List[Token]:
-178        return self.tokenizer.tokenize(sql)
-179
-180    @property
-181    def tokenizer(self) -> Tokenizer:
-182        if not hasattr(self, "_tokenizer"):
-183            self._tokenizer = self.tokenizer_class()  # type: ignore
-184        return self._tokenizer
-185
-186    def parser(self, **opts) -> Parser:
-187        return self.parser_class(  # type: ignore
-188            **{
-189                "index_offset": self.index_offset,
-190                "unnest_column_only": self.unnest_column_only,
-191                "alias_post_tablesample": self.alias_post_tablesample,
-192                "null_ordering": self.null_ordering,
-193                **opts,
-194            },
-195        )
-196
-197    def generator(self, **opts) -> Generator:
-198        return self.generator_class(  # type: ignore
-199            **{
-200                "quote_start": self.quote_start,
-201                "quote_end": self.quote_end,
-202                "identifier_start": self.identifier_start,
-203                "identifier_end": self.identifier_end,
-204                "string_escape": self.tokenizer_class.STRING_ESCAPES[0],
-205                "identifier_escape": self.tokenizer_class.IDENTIFIER_ESCAPES[0],
-206                "index_offset": self.index_offset,
-207                "time_mapping": self.inverse_time_mapping,
-208                "time_trie": self.inverse_time_trie,
-209                "unnest_column_only": self.unnest_column_only,
-210                "alias_post_tablesample": self.alias_post_tablesample,
-211                "normalize_functions": self.normalize_functions,
-212                "null_ordering": self.null_ordering,
-213                **opts,
-214            }
-215        )
+            
    102class Dialect(metaclass=_Dialect):
+103    index_offset = 0
+104    unnest_column_only = False
+105    alias_post_tablesample = False
+106    normalize_functions: t.Optional[str] = "upper"
+107    null_ordering = "nulls_are_small"
+108
+109    date_format = "'%Y-%m-%d'"
+110    dateint_format = "'%Y%m%d'"
+111    time_format = "'%Y-%m-%d %H:%M:%S'"
+112    time_mapping: t.Dict[str, str] = {}
+113
+114    # autofilled
+115    quote_start = None
+116    quote_end = None
+117    identifier_start = None
+118    identifier_end = None
+119
+120    time_trie = None
+121    inverse_time_mapping = None
+122    inverse_time_trie = None
+123    tokenizer_class = None
+124    parser_class = None
+125    generator_class = None
+126
+127    @classmethod
+128    def get_or_raise(cls, dialect: DialectType) -> t.Type[Dialect]:
+129        if not dialect:
+130            return cls
+131        if isinstance(dialect, _Dialect):
+132            return dialect
+133        if isinstance(dialect, Dialect):
+134            return dialect.__class__
+135
+136        result = cls.get(dialect)
+137        if not result:
+138            raise ValueError(f"Unknown dialect '{dialect}'")
+139
+140        return result
+141
+142    @classmethod
+143    def format_time(
+144        cls, expression: t.Optional[str | exp.Expression]
+145    ) -> t.Optional[exp.Expression]:
+146        if isinstance(expression, str):
+147            return exp.Literal.string(
+148                format_time(
+149                    expression[1:-1],  # the time formats are quoted
+150                    cls.time_mapping,
+151                    cls.time_trie,
+152                )
+153            )
+154        if expression and expression.is_string:
+155            return exp.Literal.string(
+156                format_time(
+157                    expression.this,
+158                    cls.time_mapping,
+159                    cls.time_trie,
+160                )
+161            )
+162        return expression
+163
+164    def parse(self, sql: str, **opts) -> t.List[t.Optional[exp.Expression]]:
+165        return self.parser(**opts).parse(self.tokenize(sql), sql)
+166
+167    def parse_into(
+168        self, expression_type: exp.IntoType, sql: str, **opts
+169    ) -> t.List[t.Optional[exp.Expression]]:
+170        return self.parser(**opts).parse_into(expression_type, self.tokenize(sql), sql)
+171
+172    def generate(self, expression: t.Optional[exp.Expression], **opts) -> str:
+173        return self.generator(**opts).generate(expression)
+174
+175    def transpile(self, sql: str, **opts) -> t.List[str]:
+176        return [self.generate(expression, **opts) for expression in self.parse(sql)]
+177
+178    def tokenize(self, sql: str) -> t.List[Token]:
+179        return self.tokenizer.tokenize(sql)
+180
+181    @property
+182    def tokenizer(self) -> Tokenizer:
+183        if not hasattr(self, "_tokenizer"):
+184            self._tokenizer = self.tokenizer_class()  # type: ignore
+185        return self._tokenizer
+186
+187    def parser(self, **opts) -> Parser:
+188        return self.parser_class(  # type: ignore
+189            **{
+190                "index_offset": self.index_offset,
+191                "unnest_column_only": self.unnest_column_only,
+192                "alias_post_tablesample": self.alias_post_tablesample,
+193                "null_ordering": self.null_ordering,
+194                **opts,
+195            },
+196        )
+197
+198    def generator(self, **opts) -> Generator:
+199        return self.generator_class(  # type: ignore
+200            **{
+201                "quote_start": self.quote_start,
+202                "quote_end": self.quote_end,
+203                "identifier_start": self.identifier_start,
+204                "identifier_end": self.identifier_end,
+205                "string_escape": self.tokenizer_class.STRING_ESCAPES[0],
+206                "identifier_escape": self.tokenizer_class.IDENTIFIER_ESCAPES[0],
+207                "index_offset": self.index_offset,
+208                "time_mapping": self.inverse_time_mapping,
+209                "time_trie": self.inverse_time_trie,
+210                "unnest_column_only": self.unnest_column_only,
+211                "alias_post_tablesample": self.alias_post_tablesample,
+212                "normalize_functions": self.normalize_functions,
+213                "null_ordering": self.null_ordering,
+214                **opts,
+215            }
+216        )
 
    
 
 
@@ -1246,20 +1263,20 @@
    - 
    126    @classmethod
-127    def get_or_raise(cls, dialect: DialectType) -> t.Type[Dialect]:
-128        if not dialect:
-129            return cls
-130        if isinstance(dialect, _Dialect):
-131            return dialect
-132        if isinstance(dialect, Dialect):
-133            return dialect.__class__
-134
-135        result = cls.get(dialect)
-136        if not result:
-137            raise ValueError(f"Unknown dialect '{dialect}'")
-138
-139        return result
+            
    127    @classmethod
+128    def get_or_raise(cls, dialect: DialectType) -> t.Type[Dialect]:
+129        if not dialect:
+130            return cls
+131        if isinstance(dialect, _Dialect):
+132            return dialect
+133        if isinstance(dialect, Dialect):
+134            return dialect.__class__
+135
+136        result = cls.get(dialect)
+137        if not result:
+138            raise ValueError(f"Unknown dialect '{dialect}'")
+139
+140        return result
 
    
 
 
@@ -1278,27 +1295,27 @@
    - 
    141    @classmethod
-142    def format_time(
-143        cls, expression: t.Optional[str | exp.Expression]
-144    ) -> t.Optional[exp.Expression]:
-145        if isinstance(expression, str):
-146            return exp.Literal.string(
-147                format_time(
-148                    expression[1:-1],  # the time formats are quoted
-149                    cls.time_mapping,
-150                    cls.time_trie,
-151                )
-152            )
-153        if expression and expression.is_string:
-154            return exp.Literal.string(
-155                format_time(
-156                    expression.this,
-157                    cls.time_mapping,
-158                    cls.time_trie,
-159                )
-160            )
-161        return expression
+            
    142    @classmethod
+143    def format_time(
+144        cls, expression: t.Optional[str | exp.Expression]
+145    ) -> t.Optional[exp.Expression]:
+146        if isinstance(expression, str):
+147            return exp.Literal.string(
+148                format_time(
+149                    expression[1:-1],  # the time formats are quoted
+150                    cls.time_mapping,
+151                    cls.time_trie,
+152                )
+153            )
+154        if expression and expression.is_string:
+155            return exp.Literal.string(
+156                format_time(
+157                    expression.this,
+158                    cls.time_mapping,
+159                    cls.time_trie,
+160                )
+161            )
+162        return expression
 
    
 
 
@@ -1316,8 +1333,8 @@
    - 
    163    def parse(self, sql: str, **opts) -> t.List[t.Optional[exp.Expression]]:
-164        return self.parser(**opts).parse(self.tokenize(sql), sql)
+            
    164    def parse(self, sql: str, **opts) -> t.List[t.Optional[exp.Expression]]:
+165        return self.parser(**opts).parse(self.tokenize(sql), sql)
 
    
 
 
@@ -1335,10 +1352,10 @@
    - 
    166    def parse_into(
-167        self, expression_type: exp.IntoType, sql: str, **opts
-168    ) -> t.List[t.Optional[exp.Expression]]:
-169        return self.parser(**opts).parse_into(expression_type, self.tokenize(sql), sql)
+            
    167    def parse_into(
+168        self, expression_type: exp.IntoType, sql: str, **opts
+169    ) -> t.List[t.Optional[exp.Expression]]:
+170        return self.parser(**opts).parse_into(expression_type, self.tokenize(sql), sql)
 
    
 
 
@@ -1356,8 +1373,8 @@
    - 
    171    def generate(self, expression: t.Optional[exp.Expression], **opts) -> str:
-172        return self.generator(**opts).generate(expression)
+            
    172    def generate(self, expression: t.Optional[exp.Expression], **opts) -> str:
+173        return self.generator(**opts).generate(expression)
 
    
 
 
@@ -1375,8 +1392,8 @@
    - 
    174    def transpile(self, sql: str, **opts) -> t.List[str]:
-175        return [self.generate(expression, **opts) for expression in self.parse(sql)]
+            
    175    def transpile(self, sql: str, **opts) -> t.List[str]:
+176        return [self.generate(expression, **opts) for expression in self.parse(sql)]
 
    
 
 
@@ -1394,8 +1411,8 @@
    - 
    177    def tokenize(self, sql: str) -> t.List[Token]:
-178        return self.tokenizer.tokenize(sql)
+            
    178    def tokenize(self, sql: str) -> t.List[Token]:
+179        return self.tokenizer.tokenize(sql)
 
    
 
 
@@ -1413,16 +1430,16 @@
    - 
    186    def parser(self, **opts) -> Parser:
-187        return self.parser_class(  # type: ignore
-188            **{
-189                "index_offset": self.index_offset,
-190                "unnest_column_only": self.unnest_column_only,
-191                "alias_post_tablesample": self.alias_post_tablesample,
-192                "null_ordering": self.null_ordering,
-193                **opts,
-194            },
-195        )
+            
    187    def parser(self, **opts) -> Parser:
+188        return self.parser_class(  # type: ignore
+189            **{
+190                "index_offset": self.index_offset,
+191                "unnest_column_only": self.unnest_column_only,
+192                "alias_post_tablesample": self.alias_post_tablesample,
+193                "null_ordering": self.null_ordering,
+194                **opts,
+195            },
+196        )
 
    
 
 
@@ -1440,25 +1457,25 @@
    - 
    197    def generator(self, **opts) -> Generator:
-198        return self.generator_class(  # type: ignore
-199            **{
-200                "quote_start": self.quote_start,
-201                "quote_end": self.quote_end,
-202                "identifier_start": self.identifier_start,
-203                "identifier_end": self.identifier_end,
-204                "string_escape": self.tokenizer_class.STRING_ESCAPES[0],
-205                "identifier_escape": self.tokenizer_class.IDENTIFIER_ESCAPES[0],
-206                "index_offset": self.index_offset,
-207                "time_mapping": self.inverse_time_mapping,
-208                "time_trie": self.inverse_time_trie,
-209                "unnest_column_only": self.unnest_column_only,
-210                "alias_post_tablesample": self.alias_post_tablesample,
-211                "normalize_functions": self.normalize_functions,
-212                "null_ordering": self.null_ordering,
-213                **opts,
-214            }
-215        )
+            
    198    def generator(self, **opts) -> Generator:
+199        return self.generator_class(  # type: ignore
+200            **{
+201                "quote_start": self.quote_start,
+202                "quote_end": self.quote_end,
+203                "identifier_start": self.identifier_start,
+204                "identifier_end": self.identifier_end,
+205                "string_escape": self.tokenizer_class.STRING_ESCAPES[0],
+206                "identifier_escape": self.tokenizer_class.IDENTIFIER_ESCAPES[0],
+207                "index_offset": self.index_offset,
+208                "time_mapping": self.inverse_time_mapping,
+209                "time_trie": self.inverse_time_trie,
+210                "unnest_column_only": self.unnest_column_only,
+211                "alias_post_tablesample": self.alias_post_tablesample,
+212                "normalize_functions": self.normalize_functions,
+213                "null_ordering": self.null_ordering,
+214                **opts,
+215            }
+216        )
 
    
 
 
@@ -1477,8 +1494,8 @@
    - 
    221def rename_func(name: str) -> t.Callable[[Generator, exp.Expression], str]:
-222    return lambda self, expression: self.func(name, *flatten(expression.args.values()))
+            
    222def rename_func(name: str) -> t.Callable[[Generator, exp.Expression], str]:
+223    return lambda self, expression: self.func(name, *flatten(expression.args.values()))
 
    
 
 
@@ -1496,10 +1513,10 @@
    - 
    225def approx_count_distinct_sql(self: Generator, expression: exp.ApproxDistinct) -> str:
-226    if expression.args.get("accuracy"):
-227        self.unsupported("APPROX_COUNT_DISTINCT does not support accuracy")
-228    return self.func("APPROX_COUNT_DISTINCT", expression.this)
+            
    226def approx_count_distinct_sql(self: Generator, expression: exp.ApproxDistinct) -> str:
+227    if expression.args.get("accuracy"):
+228        self.unsupported("APPROX_COUNT_DISTINCT does not support accuracy")
+229    return self.func("APPROX_COUNT_DISTINCT", expression.this)
 
    
 
 
@@ -1517,10 +1534,10 @@
    - 
    231def if_sql(self: Generator, expression: exp.If) -> str:
-232    return self.func(
-233        "IF", expression.this, expression.args.get("true"), expression.args.get("false")
-234    )
+            
    232def if_sql(self: Generator, expression: exp.If) -> str:
+233    return self.func(
+234        "IF", expression.this, expression.args.get("true"), expression.args.get("false")
+235    )
 
    
 
 
@@ -1538,8 +1555,8 @@
    - 
    237def arrow_json_extract_sql(self: Generator, expression: exp.JSONExtract | exp.JSONBExtract) -> str:
-238    return self.binary(expression, "->")
+            
    238def arrow_json_extract_sql(self: Generator, expression: exp.JSONExtract | exp.JSONBExtract) -> str:
+239    return self.binary(expression, "->")
 
    
 
 
@@ -1557,10 +1574,10 @@
    - 
    241def arrow_json_extract_scalar_sql(
-242    self: Generator, expression: exp.JSONExtractScalar | exp.JSONBExtractScalar
-243) -> str:
-244    return self.binary(expression, "->>")
+            
    242def arrow_json_extract_scalar_sql(
+243    self: Generator, expression: exp.JSONExtractScalar | exp.JSONBExtractScalar
+244) -> str:
+245    return self.binary(expression, "->>")
 
    
 
 
@@ -1578,8 +1595,8 @@
    - 
    247def inline_array_sql(self: Generator, expression: exp.Array) -> str:
-248    return f"[{self.expressions(expression)}]"
+            
    248def inline_array_sql(self: Generator, expression: exp.Array) -> str:
+249    return f"[{self.expressions(expression)}]"
 
    
 
 
@@ -1597,13 +1614,13 @@
    - 
    251def no_ilike_sql(self: Generator, expression: exp.ILike) -> str:
-252    return self.like_sql(
-253        exp.Like(
-254            this=exp.Lower(this=expression.this),
-255            expression=expression.args["expression"],
-256        )
-257    )
+            
    252def no_ilike_sql(self: Generator, expression: exp.ILike) -> str:
+253    return self.like_sql(
+254        exp.Like(
+255            this=exp.Lower(this=expression.this),
+256            expression=expression.args["expression"],
+257        )
+258    )
 
    
 
 
@@ -1621,9 +1638,9 @@
    - 
    260def no_paren_current_date_sql(self: Generator, expression: exp.CurrentDate) -> str:
-261    zone = self.sql(expression, "this")
-262    return f"CURRENT_DATE AT TIME ZONE {zone}" if zone else "CURRENT_DATE"
+            
    261def no_paren_current_date_sql(self: Generator, expression: exp.CurrentDate) -> str:
+262    zone = self.sql(expression, "this")
+263    return f"CURRENT_DATE AT TIME ZONE {zone}" if zone else "CURRENT_DATE"
 
    
 
 
@@ -1641,11 +1658,11 @@
    - 
    265def no_recursive_cte_sql(self: Generator, expression: exp.With) -> str:
-266    if expression.args.get("recursive"):
-267        self.unsupported("Recursive CTEs are unsupported")
-268        expression.args["recursive"] = False
-269    return self.with_sql(expression)
+            
    266def no_recursive_cte_sql(self: Generator, expression: exp.With) -> str:
+267    if expression.args.get("recursive"):
+268        self.unsupported("Recursive CTEs are unsupported")
+269        expression.args["recursive"] = False
+270    return self.with_sql(expression)
 
    
 
 
@@ -1663,10 +1680,10 @@
    - 
    272def no_safe_divide_sql(self: Generator, expression: exp.SafeDivide) -> str:
-273    n = self.sql(expression, "this")
-274    d = self.sql(expression, "expression")
-275    return f"IF({d} <> 0, {n} / {d}, NULL)"
+            
    273def no_safe_divide_sql(self: Generator, expression: exp.SafeDivide) -> str:
+274    n = self.sql(expression, "this")
+275    d = self.sql(expression, "expression")
+276    return f"IF({d} <> 0, {n} / {d}, NULL)"
 
    
 
 
@@ -1684,9 +1701,9 @@
    - 
    278def no_tablesample_sql(self: Generator, expression: exp.TableSample) -> str:
-279    self.unsupported("TABLESAMPLE unsupported")
-280    return self.sql(expression.this)
+            
    279def no_tablesample_sql(self: Generator, expression: exp.TableSample) -> str:
+280    self.unsupported("TABLESAMPLE unsupported")
+281    return self.sql(expression.this)
 
    
 
 
@@ -1704,9 +1721,9 @@
    - 
    283def no_pivot_sql(self: Generator, expression: exp.Pivot) -> str:
-284    self.unsupported("PIVOT unsupported")
-285    return self.sql(expression)
+            
    284def no_pivot_sql(self: Generator, expression: exp.Pivot) -> str:
+285    self.unsupported("PIVOT unsupported")
+286    return self.sql(expression)
 
    
 
 
@@ -1724,8 +1741,8 @@
    - 
    288def no_trycast_sql(self: Generator, expression: exp.TryCast) -> str:
-289    return self.cast_sql(expression)
+            
    289def no_trycast_sql(self: Generator, expression: exp.TryCast) -> str:
+290    return self.cast_sql(expression)
 
    
 
 
@@ -1743,9 +1760,9 @@
    - 
    292def no_properties_sql(self: Generator, expression: exp.Properties) -> str:
-293    self.unsupported("Properties unsupported")
-294    return ""
+            
    293def no_properties_sql(self: Generator, expression: exp.Properties) -> str:
+294    self.unsupported("Properties unsupported")
+295    return ""
 
    
 
 
@@ -1763,11 +1780,11 @@
    - 
    297def no_comment_column_constraint_sql(
-298    self: Generator, expression: exp.CommentColumnConstraint
-299) -> str:
-300    self.unsupported("CommentColumnConstraint unsupported")
-301    return ""
+            
    298def no_comment_column_constraint_sql(
+299    self: Generator, expression: exp.CommentColumnConstraint
+300) -> str:
+301    self.unsupported("CommentColumnConstraint unsupported")
+302    return ""
 
    
 
 
@@ -1785,13 +1802,13 @@
    - 
    304def str_position_sql(self: Generator, expression: exp.StrPosition) -> str:
-305    this = self.sql(expression, "this")
-306    substr = self.sql(expression, "substr")
-307    position = self.sql(expression, "position")
-308    if position:
-309        return f"STRPOS(SUBSTR({this}, {position}), {substr}) + {position} - 1"
-310    return f"STRPOS({this}, {substr})"
+            
    305def str_position_sql(self: Generator, expression: exp.StrPosition) -> str:
+306    this = self.sql(expression, "this")
+307    substr = self.sql(expression, "substr")
+308    position = self.sql(expression, "position")
+309    if position:
+310        return f"STRPOS(SUBSTR({this}, {position}), {substr}) + {position} - 1"
+311    return f"STRPOS({this}, {substr})"
 
    
 
 
@@ -1809,10 +1826,10 @@
    - 
    313def struct_extract_sql(self: Generator, expression: exp.StructExtract) -> str:
-314    this = self.sql(expression, "this")
-315    struct_key = self.sql(exp.Identifier(this=expression.expression, quoted=True))
-316    return f"{this}.{struct_key}"
+            
    314def struct_extract_sql(self: Generator, expression: exp.StructExtract) -> str:
+315    this = self.sql(expression, "this")
+316    struct_key = self.sql(exp.Identifier(this=expression.expression, quoted=True))
+317    return f"{this}.{struct_key}"
 
    
 
 
@@ -1830,21 +1847,21 @@
    - 
    319def var_map_sql(
-320    self: Generator, expression: exp.Map | exp.VarMap, map_func_name: str = "MAP"
-321) -> str:
-322    keys = expression.args["keys"]
-323    values = expression.args["values"]
-324
-325    if not isinstance(keys, exp.Array) or not isinstance(values, exp.Array):
-326        self.unsupported("Cannot convert array columns into map.")
-327        return self.func(map_func_name, keys, values)
-328
-329    args = []
-330    for key, value in zip(keys.expressions, values.expressions):
-331        args.append(self.sql(key))
-332        args.append(self.sql(value))
-333    return self.func(map_func_name, *args)
+            
    320def var_map_sql(
+321    self: Generator, expression: exp.Map | exp.VarMap, map_func_name: str = "MAP"
+322) -> str:
+323    keys = expression.args["keys"]
+324    values = expression.args["values"]
+325
+326    if not isinstance(keys, exp.Array) or not isinstance(values, exp.Array):
+327        self.unsupported("Cannot convert array columns into map.")
+328        return self.func(map_func_name, keys, values)
+329
+330    args = []
+331    for key, value in zip(keys.expressions, values.expressions):
+332        args.append(self.sql(key))
+333        args.append(self.sql(value))
+334    return self.func(map_func_name, *args)
 
    
 
 
@@ -1862,30 +1879,30 @@
    - 
    336def format_time_lambda(
-337    exp_class: t.Type[E], dialect: str, default: t.Optional[bool | str] = None
-338) -> t.Callable[[t.Sequence], E]:
-339    """Helper used for time expressions.
-340
-341    Args:
-342        exp_class: the expression class to instantiate.
-343        dialect: target sql dialect.
-344        default: the default format, True being time.
-345
-346    Returns:
-347        A callable that can be used to return the appropriately formatted time expression.
-348    """
-349
-350    def _format_time(args: t.Sequence):
-351        return exp_class(
-352            this=seq_get(args, 0),
-353            format=Dialect[dialect].format_time(
-354                seq_get(args, 1)
-355                or (Dialect[dialect].time_format if default is True else default or None)
-356            ),
-357        )
-358
-359    return _format_time
+            
    337def format_time_lambda(
+338    exp_class: t.Type[E], dialect: str, default: t.Optional[bool | str] = None
+339) -> t.Callable[[t.Sequence], E]:
+340    """Helper used for time expressions.
+341
+342    Args:
+343        exp_class: the expression class to instantiate.
+344        dialect: target sql dialect.
+345        default: the default format, True being time.
+346
+347    Returns:
+348        A callable that can be used to return the appropriately formatted time expression.
+349    """
+350
+351    def _format_time(args: t.Sequence):
+352        return exp_class(
+353            this=seq_get(args, 0),
+354            format=Dialect[dialect].format_time(
+355                seq_get(args, 1)
+356                or (Dialect[dialect].time_format if default is True else default or None)
+357            ),
+358        )
+359
+360    return _format_time
 
    
 
 
@@ -1919,27 +1936,27 @@
    - 
    362def create_with_partitions_sql(self: Generator, expression: exp.Create) -> str:
-363    """
-364    In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the
-365    PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding
-366    columns are removed from the create statement.
-367    """
-368    has_schema = isinstance(expression.this, exp.Schema)
-369    is_partitionable = expression.args.get("kind") in ("TABLE", "VIEW")
-370
-371    if has_schema and is_partitionable:
-372        expression = expression.copy()
-373        prop = expression.find(exp.PartitionedByProperty)
-374        if prop and prop.this and not isinstance(prop.this, exp.Schema):
-375            schema = expression.this
-376            columns = {v.name.upper() for v in prop.this.expressions}
-377            partitions = [col for col in schema.expressions if col.name.upper() in columns]
-378            schema.set("expressions", [e for e in schema.expressions if e not in partitions])
-379            prop.replace(exp.PartitionedByProperty(this=exp.Schema(expressions=partitions)))
-380            expression.set("this", schema)
-381
-382    return self.create_sql(expression)
+            
    363def create_with_partitions_sql(self: Generator, expression: exp.Create) -> str:
+364    """
+365    In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the
+366    PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding
+367    columns are removed from the create statement.
+368    """
+369    has_schema = isinstance(expression.this, exp.Schema)
+370    is_partitionable = expression.args.get("kind") in ("TABLE", "VIEW")
+371
+372    if has_schema and is_partitionable:
+373        expression = expression.copy()
+374        prop = expression.find(exp.PartitionedByProperty)
+375        if prop and prop.this and not isinstance(prop.this, exp.Schema):
+376            schema = expression.this
+377            columns = {v.name.upper() for v in prop.this.expressions}
+378            partitions = [col for col in schema.expressions if col.name.upper() in columns]
+379            schema.set("expressions", [e for e in schema.expressions if e not in partitions])
+380            prop.replace(exp.PartitionedByProperty(this=exp.Schema(expressions=partitions)))
+381            expression.set("this", schema)
+382
+383    return self.create_sql(expression)
 
    
 
 
@@ -1961,17 +1978,17 @@ columns are removed from the create statement.
    - 
    385def parse_date_delta(
-386    exp_class: t.Type[E], unit_mapping: t.Optional[t.Dict[str, str]] = None
-387) -> t.Callable[[t.Sequence], E]:
-388    def inner_func(args: t.Sequence) -> E:
-389        unit_based = len(args) == 3
-390        this = args[2] if unit_based else seq_get(args, 0)
-391        unit = args[0] if unit_based else exp.Literal.string("DAY")
-392        unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit
-393        return exp_class(this=this, expression=seq_get(args, 1), unit=unit)
-394
-395    return inner_func
+            
    386def parse_date_delta(
+387    exp_class: t.Type[E], unit_mapping: t.Optional[t.Dict[str, str]] = None
+388) -> t.Callable[[t.Sequence], E]:
+389    def inner_func(args: t.Sequence) -> E:
+390        unit_based = len(args) == 3
+391        this = args[2] if unit_based else seq_get(args, 0)
+392        unit = args[0] if unit_based else exp.Literal.string("DAY")
+393        unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit
+394        return exp_class(this=this, expression=seq_get(args, 1), unit=unit)
+395
+396    return inner_func
 
    
 
 
@@ -1989,25 +2006,25 @@ columns are removed from the create statement.
    - 
    398def parse_date_delta_with_interval(
-399    expression_class: t.Type[E],
-400) -> t.Callable[[t.Sequence], t.Optional[E]]:
-401    def func(args: t.Sequence) -> t.Optional[E]:
-402        if len(args) < 2:
-403            return None
-404
-405        interval = args[1]
-406        expression = interval.this
-407        if expression and expression.is_string:
-408            expression = exp.Literal.number(expression.this)
-409
-410        return expression_class(
-411            this=args[0],
-412            expression=expression,
-413            unit=exp.Literal.string(interval.text("unit")),
-414        )
-415
-416    return func
+            
    399def parse_date_delta_with_interval(
+400    expression_class: t.Type[E],
+401) -> t.Callable[[t.Sequence], t.Optional[E]]:
+402    def func(args: t.Sequence) -> t.Optional[E]:
+403        if len(args) < 2:
+404            return None
+405
+406        interval = args[1]
+407        expression = interval.this
+408        if expression and expression.is_string:
+409            expression = exp.Literal.number(expression.this)
+410
+411        return expression_class(
+412            this=args[0],
+413            expression=expression,
+414            unit=exp.Literal.string(interval.text("unit")),
+415        )
+416
+417    return func
 
    
 
 
@@ -2025,13 +2042,13 @@ columns are removed from the create statement.
    - 
    419def date_trunc_to_time(args: t.Sequence) -> exp.DateTrunc | exp.TimestampTrunc:
-420    unit = seq_get(args, 0)
-421    this = seq_get(args, 1)
-422
-423    if isinstance(this, exp.Cast) and this.is_type(exp.DataType.Type.DATE):
-424        return exp.DateTrunc(unit=unit, this=this)
-425    return exp.TimestampTrunc(this=this, unit=unit)
+            
    420def date_trunc_to_time(args: t.Sequence) -> exp.DateTrunc | exp.TimestampTrunc:
+421    unit = seq_get(args, 0)
+422    this = seq_get(args, 1)
+423
+424    if isinstance(this, exp.Cast) and this.is_type(exp.DataType.Type.DATE):
+425        return exp.DateTrunc(unit=unit, this=this)
+426    return exp.TimestampTrunc(this=this, unit=unit)
 
    
 
 
@@ -2049,10 +2066,10 @@ columns are removed from the create statement.
    - 
    428def timestamptrunc_sql(self: Generator, expression: exp.TimestampTrunc) -> str:
-429    return self.func(
-430        "DATE_TRUNC", exp.Literal.string(expression.text("unit") or "day"), expression.this
-431    )
+            
    429def timestamptrunc_sql(self: Generator, expression: exp.TimestampTrunc) -> str:
+430    return self.func(
+431        "DATE_TRUNC", exp.Literal.string(expression.text("unit") or "day"), expression.this
+432    )
 
    
 
 
@@ -2070,12 +2087,12 @@ columns are removed from the create statement.
    - 
    434def locate_to_strposition(args: t.Sequence) -> exp.Expression:
-435    return exp.StrPosition(
-436        this=seq_get(args, 1),
-437        substr=seq_get(args, 0),
-438        position=seq_get(args, 2),
-439    )
+            
    435def locate_to_strposition(args: t.Sequence) -> exp.Expression:
+436    return exp.StrPosition(
+437        this=seq_get(args, 1),
+438        substr=seq_get(args, 0),
+439        position=seq_get(args, 2),
+440    )
 
    
 
 
@@ -2093,10 +2110,10 @@ columns are removed from the create statement.
    - 
    442def strposition_to_locate_sql(self: Generator, expression: exp.StrPosition) -> str:
-443    return self.func(
-444        "LOCATE", expression.args.get("substr"), expression.this, expression.args.get("position")
-445    )
+            
    443def strposition_to_locate_sql(self: Generator, expression: exp.StrPosition) -> str:
+444    return self.func(
+445        "LOCATE", expression.args.get("substr"), expression.this, expression.args.get("position")
+446    )
 
    
 
 
@@ -2114,8 +2131,8 @@ columns are removed from the create statement.
    - 
    448def timestrtotime_sql(self: Generator, expression: exp.TimeStrToTime) -> str:
-449    return f"CAST({self.sql(expression, 'this')} AS TIMESTAMP)"
+            
    449def timestrtotime_sql(self: Generator, expression: exp.TimeStrToTime) -> str:
+450    return f"CAST({self.sql(expression, 'this')} AS TIMESTAMP)"
 
    
 
 
@@ -2133,8 +2150,8 @@ columns are removed from the create statement.
    - 
    452def datestrtodate_sql(self: Generator, expression: exp.DateStrToDate) -> str:
-453    return f"CAST({self.sql(expression, 'this')} AS DATE)"
+            
    453def datestrtodate_sql(self: Generator, expression: exp.DateStrToDate) -> str:
+454    return f"CAST({self.sql(expression, 'this')} AS DATE)"
 
    
 
 
@@ -2152,9 +2169,9 @@ columns are removed from the create statement.
    - 
    456def min_or_least(self: Generator, expression: exp.Min) -> str:
-457    name = "LEAST" if expression.expressions else "MIN"
-458    return rename_func(name)(self, expression)
+            
    457def min_or_least(self: Generator, expression: exp.Min) -> str:
+458    name = "LEAST" if expression.expressions else "MIN"
+459    return rename_func(name)(self, expression)
 
    
 
 
@@ -2172,9 +2189,9 @@ columns are removed from the create statement.
    - 
    461def max_or_greatest(self: Generator, expression: exp.Max) -> str:
-462    name = "GREATEST" if expression.expressions else "MAX"
-463    return rename_func(name)(self, expression)
+            
    462def max_or_greatest(self: Generator, expression: exp.Max) -> str:
+463    name = "GREATEST" if expression.expressions else "MAX"
+464    return rename_func(name)(self, expression)
 
    
 
 
@@ -2192,14 +2209,14 @@ columns are removed from the create statement.
    - 
    466def count_if_to_sum(self: Generator, expression: exp.CountIf) -> str:
-467    cond = expression.this
-468
-469    if isinstance(expression.this, exp.Distinct):
-470        cond = expression.this.expressions[0]
-471        self.unsupported("DISTINCT is not supported when converting COUNT_IF to SUM")
-472
-473    return self.func("sum", exp.func("if", cond, 1, 0))
+            
    467def count_if_to_sum(self: Generator, expression: exp.CountIf) -> str:
+468    cond = expression.this
+469
+470    if isinstance(expression.this, exp.Distinct):
+471        cond = expression.this.expressions[0]
+472        self.unsupported("DISTINCT is not supported when converting COUNT_IF to SUM")
+473
+474    return self.func("sum", exp.func("if", cond, 1, 0))
 
    
 
 
@@ -2217,21 +2234,21 @@ columns are removed from the create statement.
    - 
    476def trim_sql(self: Generator, expression: exp.Trim) -> str:
-477    target = self.sql(expression, "this")
-478    trim_type = self.sql(expression, "position")
-479    remove_chars = self.sql(expression, "expression")
-480    collation = self.sql(expression, "collation")
-481
-482    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific
-483    if not remove_chars and not collation:
-484        return self.trim_sql(expression)
-485
-486    trim_type = f"{trim_type} " if trim_type else ""
-487    remove_chars = f"{remove_chars} " if remove_chars else ""
-488    from_part = "FROM " if trim_type or remove_chars else ""
-489    collation = f" COLLATE {collation}" if collation else ""
-490    return f"TRIM({trim_type}{remove_chars}{from_part}{target}{collation})"
+            
    477def trim_sql(self: Generator, expression: exp.Trim) -> str:
+478    target = self.sql(expression, "this")
+479    trim_type = self.sql(expression, "position")
+480    remove_chars = self.sql(expression, "expression")
+481    collation = self.sql(expression, "collation")
+482
+483    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific
+484    if not remove_chars and not collation:
+485        return self.trim_sql(expression)
+486
+487    trim_type = f"{trim_type} " if trim_type else ""
+488    remove_chars = f"{remove_chars} " if remove_chars else ""
+489    from_part = "FROM " if trim_type or remove_chars else ""
+490    collation = f" COLLATE {collation}" if collation else ""
+491    return f"TRIM({trim_type}{remove_chars}{from_part}{target}{collation})"
 
    
 
 
@@ -2249,8 +2266,8 @@ columns are removed from the create statement.
    - 
    493def str_to_time_sql(self, expression: exp.Expression) -> str:
-494    return self.func("STRPTIME", expression.this, self.format_time(expression))
+            
    494def str_to_time_sql(self, expression: exp.Expression) -> str:
+495    return self.func("STRPTIME", expression.this, self.format_time(expression))
 
    
 
 
@@ -2268,15 +2285,15 @@ columns are removed from the create statement.
    - 
    497def ts_or_ds_to_date_sql(dialect: str) -> t.Callable:
-498    def _ts_or_ds_to_date_sql(self: Generator, expression: exp.TsOrDsToDate) -> str:
-499        _dialect = Dialect.get_or_raise(dialect)
-500        time_format = self.format_time(expression)
-501        if time_format and time_format not in (_dialect.time_format, _dialect.date_format):
-502            return f"CAST({str_to_time_sql(self, expression)} AS DATE)"
-503        return f"CAST({self.sql(expression, 'this')} AS DATE)"
-504
-505    return _ts_or_ds_to_date_sql
+            
    498def ts_or_ds_to_date_sql(dialect: str) -> t.Callable:
+499    def _ts_or_ds_to_date_sql(self: Generator, expression: exp.TsOrDsToDate) -> str:
+500        _dialect = Dialect.get_or_raise(dialect)
+501        time_format = self.format_time(expression)
+502        if time_format and time_format not in (_dialect.time_format, _dialect.date_format):
+503            return f"CAST({str_to_time_sql(self, expression)} AS DATE)"
+504        return f"CAST({self.sql(expression, 'this')} AS DATE)"
+505
+506    return _ts_or_ds_to_date_sql
 
    
 
 
diff --git a/docs/sqlglot/dialects/drill.html b/docs/sqlglot/dialects/drill.html
index bd76bd7..19f0262 100644
--- a/docs/sqlglot/dialects/drill.html
+++ b/docs/sqlglot/dialects/drill.html
@@ -84,7 +84,7 @@
       2
   3import typing as t
   4
-  5from sqlglot import exp, generator, parser, tokens
+  5from sqlglot import exp, generator, parser, tokens, transforms
   6from sqlglot.dialects.dialect import (
   7    Dialect,
   8    create_with_partitions_sql,
@@ -227,21 +227,22 @@
 145            exp.StrPosition: str_position_sql,
 146            exp.StrToDate: _str_to_date,
 147            exp.Pow: rename_func("POW"),
-148            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-149            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
-150            exp.TimeStrToTime: timestrtotime_sql,
-151            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
-152            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-153            exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"),
-154            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-155            exp.TryCast: no_trycast_sql,
-156            exp.TsOrDsAdd: lambda self, e: f"DATE_ADD(CAST({self.sql(e, 'this')} AS DATE), {self.sql(exp.Interval(this=e.expression, unit=exp.Var(this='DAY')))})",
-157            exp.TsOrDsToDate: ts_or_ds_to_date_sql("drill"),
-158            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)",
-159        }
-160
-161        def normalize_func(self, name: str) -> str:
-162            return name if exp.SAFE_IDENTIFIER_RE.match(name) else f"`{name}`"
+148            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
+149            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+150            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
+151            exp.TimeStrToTime: timestrtotime_sql,
+152            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
+153            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+154            exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"),
+155            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+156            exp.TryCast: no_trycast_sql,
+157            exp.TsOrDsAdd: lambda self, e: f"DATE_ADD(CAST({self.sql(e, 'this')} AS DATE), {self.sql(exp.Interval(this=e.expression, unit=exp.Var(this='DAY')))})",
+158            exp.TsOrDsToDate: ts_or_ds_to_date_sql("drill"),
+159            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)",
+160        }
+161
+162        def normalize_func(self, name: str) -> str:
+163            return name if exp.SAFE_IDENTIFIER_RE.match(name) else f"`{name}`"
    @@ -356,21 +357,22 @@ 146 exp.StrPosition: str_position_sql, 147 exp.StrToDate: _str_to_date, 148 exp.Pow: rename_func("POW"), -149 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", -150 exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)", -151 exp.TimeStrToTime: timestrtotime_sql, -152 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), -153 exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})", -154 exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"), -155 exp.ToChar: lambda self, e: self.function_fallback_sql(e), -156 exp.TryCast: no_trycast_sql, -157 exp.TsOrDsAdd: lambda self, e: f"DATE_ADD(CAST({self.sql(e, 'this')} AS DATE), {self.sql(exp.Interval(this=e.expression, unit=exp.Var(this='DAY')))})", -158 exp.TsOrDsToDate: ts_or_ds_to_date_sql("drill"), -159 exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)", -160 } -161 -162 def normalize_func(self, name: str) -> str: -163 return name if exp.SAFE_IDENTIFIER_RE.match(name) else f"`{name}`" +149 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), +150 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", +151 exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)", +152 exp.TimeStrToTime: timestrtotime_sql, +153 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), +154 exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})", +155 exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"), +156 exp.ToChar: lambda self, e: self.function_fallback_sql(e), +157 exp.TryCast: no_trycast_sql, +158 exp.TsOrDsAdd: lambda self, e: f"DATE_ADD(CAST({self.sql(e, 'this')} AS DATE), {self.sql(exp.Interval(this=e.expression, unit=exp.Var(this='DAY')))})", +159 exp.TsOrDsToDate: ts_or_ds_to_date_sql("drill"), +160 exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)", +161 } +162 +163 def normalize_func(self, name: str) -> str: +164 return name if exp.SAFE_IDENTIFIER_RE.match(name) else f"`{name}`"
    @@ -546,21 +548,22 @@ Default: "nulls_are_small" 146 exp.StrPosition: str_position_sql, 147 exp.StrToDate: _str_to_date, 148 exp.Pow: rename_func("POW"), -149 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", -150 exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)", -151 exp.TimeStrToTime: timestrtotime_sql, -152 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), -153 exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})", -154 exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"), -155 exp.ToChar: lambda self, e: self.function_fallback_sql(e), -156 exp.TryCast: no_trycast_sql, -157 exp.TsOrDsAdd: lambda self, e: f"DATE_ADD(CAST({self.sql(e, 'this')} AS DATE), {self.sql(exp.Interval(this=e.expression, unit=exp.Var(this='DAY')))})", -158 exp.TsOrDsToDate: ts_or_ds_to_date_sql("drill"), -159 exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)", -160 } -161 -162 def normalize_func(self, name: str) -> str: -163 return name if exp.SAFE_IDENTIFIER_RE.match(name) else f"`{name}`" +149 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), +150 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", +151 exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)", +152 exp.TimeStrToTime: timestrtotime_sql, +153 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), +154 exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})", +155 exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"), +156 exp.ToChar: lambda self, e: self.function_fallback_sql(e), +157 exp.TryCast: no_trycast_sql, +158 exp.TsOrDsAdd: lambda self, e: f"DATE_ADD(CAST({self.sql(e, 'this')} AS DATE), {self.sql(exp.Interval(this=e.expression, unit=exp.Var(this='DAY')))})", +159 exp.TsOrDsToDate: ts_or_ds_to_date_sql("drill"), +160 exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)", +161 } +162 +163 def normalize_func(self, name: str) -> str: +164 return name if exp.SAFE_IDENTIFIER_RE.match(name) else f"`{name}`" @@ -619,8 +622,8 @@ Default: True - 
    162        def normalize_func(self, name: str) -> str:
-163            return name if exp.SAFE_IDENTIFIER_RE.match(name) else f"`{name}`"
+            
    163        def normalize_func(self, name: str) -> str:
+164            return name if exp.SAFE_IDENTIFIER_RE.match(name) else f"`{name}`"
 
    
 
 
@@ -750,7 +753,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -759,6 +762,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/duckdb.html b/docs/sqlglot/dialects/duckdb.html
index 87d47ec..145445d 100644
--- a/docs/sqlglot/dialects/duckdb.html
+++ b/docs/sqlglot/dialects/duckdb.html
@@ -82,232 +82,246 @@
 
                         
      1from __future__ import annotations
   2
-  3from sqlglot import exp, generator, parser, tokens
-  4from sqlglot.dialects.dialect import (
-  5    Dialect,
-  6    approx_count_distinct_sql,
-  7    arrow_json_extract_scalar_sql,
-  8    arrow_json_extract_sql,
-  9    datestrtodate_sql,
- 10    format_time_lambda,
- 11    no_comment_column_constraint_sql,
- 12    no_pivot_sql,
- 13    no_properties_sql,
- 14    no_safe_divide_sql,
- 15    rename_func,
- 16    str_position_sql,
- 17    str_to_time_sql,
- 18    timestamptrunc_sql,
- 19    timestrtotime_sql,
- 20    ts_or_ds_to_date_sql,
- 21)
- 22from sqlglot.helper import seq_get
- 23from sqlglot.tokens import TokenType
- 24
- 25
- 26def _ts_or_ds_add(self, expression):
- 27    this = self.sql(expression, "this")
- 28    unit = self.sql(expression, "unit").strip("'") or "DAY"
- 29    return f"CAST({this} AS DATE) + {self.sql(exp.Interval(this=expression.expression, unit=unit))}"
- 30
- 31
- 32def _date_add(self, expression):
- 33    this = self.sql(expression, "this")
- 34    unit = self.sql(expression, "unit").strip("'") or "DAY"
- 35    return f"{this} + {self.sql(exp.Interval(this=expression.expression, unit=unit))}"
- 36
- 37
- 38def _array_sort_sql(self, expression):
- 39    if expression.expression:
- 40        self.unsupported("DUCKDB ARRAY_SORT does not support a comparator")
- 41    return f"ARRAY_SORT({self.sql(expression, 'this')})"
- 42
- 43
- 44def _sort_array_sql(self, expression):
- 45    this = self.sql(expression, "this")
- 46    if expression.args.get("asc") == exp.false():
- 47        return f"ARRAY_REVERSE_SORT({this})"
- 48    return f"ARRAY_SORT({this})"
- 49
- 50
- 51def _sort_array_reverse(args):
- 52    return exp.SortArray(this=seq_get(args, 0), asc=exp.false())
- 53
- 54
- 55def _struct_sql(self, expression):
- 56    args = [
- 57        f"'{e.name or e.this.name}': {self.sql(e, 'expression')}" for e in expression.expressions
- 58    ]
- 59    return f"{{{', '.join(args)}}}"
- 60
- 61
- 62def _datatype_sql(self, expression):
- 63    if expression.this == exp.DataType.Type.ARRAY:
- 64        return f"{self.expressions(expression, flat=True)}[]"
- 65    return self.datatype_sql(expression)
- 66
- 67
- 68def _regexp_extract_sql(self, expression):
- 69    bad_args = list(filter(expression.args.get, ("position", "occurrence")))
- 70    if bad_args:
- 71        self.unsupported(f"REGEXP_EXTRACT does not support arg(s) {bad_args}")
- 72    return self.func(
- 73        "REGEXP_EXTRACT",
- 74        expression.args.get("this"),
- 75        expression.args.get("expression"),
- 76        expression.args.get("group"),
- 77    )
- 78
- 79
- 80class DuckDB(Dialect):
- 81    class Tokenizer(tokens.Tokenizer):
- 82        KEYWORDS = {
- 83            **tokens.Tokenizer.KEYWORDS,
- 84            "~": TokenType.RLIKE,
- 85            ":=": TokenType.EQ,
- 86            "ATTACH": TokenType.COMMAND,
- 87            "BINARY": TokenType.VARBINARY,
- 88            "BPCHAR": TokenType.TEXT,
- 89            "BITSTRING": TokenType.BIT,
- 90            "CHAR": TokenType.TEXT,
- 91            "CHARACTER VARYING": TokenType.TEXT,
- 92            "EXCLUDE": TokenType.EXCEPT,
- 93            "INT1": TokenType.TINYINT,
- 94            "LOGICAL": TokenType.BOOLEAN,
- 95            "NUMERIC": TokenType.DOUBLE,
- 96            "SIGNED": TokenType.INT,
- 97            "STRING": TokenType.VARCHAR,
- 98            "UBIGINT": TokenType.UBIGINT,
- 99            "UINTEGER": TokenType.UINT,
-100            "USMALLINT": TokenType.USMALLINT,
-101            "UTINYINT": TokenType.UTINYINT,
-102        }
-103
-104    class Parser(parser.Parser):
-105        FUNCTIONS = {
-106            **parser.Parser.FUNCTIONS,  # type: ignore
-107            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
-108            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
-109            "ARRAY_SORT": exp.SortArray.from_arg_list,
-110            "ARRAY_REVERSE_SORT": _sort_array_reverse,
-111            "EPOCH": exp.TimeToUnix.from_arg_list,
-112            "EPOCH_MS": lambda args: exp.UnixToTime(
-113                this=exp.Div(
-114                    this=seq_get(args, 0),
-115                    expression=exp.Literal.number(1000),
-116                )
-117            ),
-118            "LIST_SORT": exp.SortArray.from_arg_list,
-119            "LIST_REVERSE_SORT": _sort_array_reverse,
-120            "LIST_VALUE": exp.Array.from_arg_list,
-121            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
-122            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
-123            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
-124            "STR_SPLIT": exp.Split.from_arg_list,
-125            "STRING_SPLIT": exp.Split.from_arg_list,
-126            "STRING_TO_ARRAY": exp.Split.from_arg_list,
-127            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-128            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-129            "STRUCT_PACK": exp.Struct.from_arg_list,
-130            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
-131            "UNNEST": exp.Explode.from_arg_list,
-132        }
-133
-134        TYPE_TOKENS = {
-135            *parser.Parser.TYPE_TOKENS,
-136            TokenType.UBIGINT,
-137            TokenType.UINT,
-138            TokenType.USMALLINT,
-139            TokenType.UTINYINT,
-140        }
-141
-142    class Generator(generator.Generator):
-143        JOIN_HINTS = False
-144        TABLE_HINTS = False
-145        STRUCT_DELIMITER = ("(", ")")
+  3import typing as t
+  4
+  5from sqlglot import exp, generator, parser, tokens
+  6from sqlglot.dialects.dialect import (
+  7    Dialect,
+  8    approx_count_distinct_sql,
+  9    arrow_json_extract_scalar_sql,
+ 10    arrow_json_extract_sql,
+ 11    datestrtodate_sql,
+ 12    format_time_lambda,
+ 13    no_comment_column_constraint_sql,
+ 14    no_pivot_sql,
+ 15    no_properties_sql,
+ 16    no_safe_divide_sql,
+ 17    rename_func,
+ 18    str_position_sql,
+ 19    str_to_time_sql,
+ 20    timestamptrunc_sql,
+ 21    timestrtotime_sql,
+ 22    ts_or_ds_to_date_sql,
+ 23)
+ 24from sqlglot.helper import seq_get
+ 25from sqlglot.tokens import TokenType
+ 26
+ 27
+ 28def _ts_or_ds_add_sql(self: generator.Generator, expression: exp.TsOrDsAdd) -> str:
+ 29    this = self.sql(expression, "this")
+ 30    unit = self.sql(expression, "unit").strip("'") or "DAY"
+ 31    return f"CAST({this} AS DATE) + {self.sql(exp.Interval(this=expression.expression, unit=unit))}"
+ 32
+ 33
+ 34def _date_add_sql(self: generator.Generator, expression: exp.DateAdd) -> str:
+ 35    this = self.sql(expression, "this")
+ 36    unit = self.sql(expression, "unit").strip("'") or "DAY"
+ 37    return f"{this} + {self.sql(exp.Interval(this=expression.expression, unit=unit))}"
+ 38
+ 39
+ 40def _array_sort_sql(self: generator.Generator, expression: exp.ArraySort) -> str:
+ 41    if expression.expression:
+ 42        self.unsupported("DUCKDB ARRAY_SORT does not support a comparator")
+ 43    return f"ARRAY_SORT({self.sql(expression, 'this')})"
+ 44
+ 45
+ 46def _sort_array_sql(self: generator.Generator, expression: exp.SortArray) -> str:
+ 47    this = self.sql(expression, "this")
+ 48    if expression.args.get("asc") == exp.false():
+ 49        return f"ARRAY_REVERSE_SORT({this})"
+ 50    return f"ARRAY_SORT({this})"
+ 51
+ 52
+ 53def _sort_array_reverse(args: t.Sequence) -> exp.Expression:
+ 54    return exp.SortArray(this=seq_get(args, 0), asc=exp.false())
+ 55
+ 56
+ 57def _parse_date_diff(args: t.Sequence) -> exp.Expression:
+ 58    return exp.DateDiff(
+ 59        this=seq_get(args, 2),
+ 60        expression=seq_get(args, 1),
+ 61        unit=seq_get(args, 0),
+ 62    )
+ 63
+ 64
+ 65def _struct_sql(self: generator.Generator, expression: exp.Struct) -> str:
+ 66    args = [
+ 67        f"'{e.name or e.this.name}': {self.sql(e, 'expression')}" for e in expression.expressions
+ 68    ]
+ 69    return f"{{{', '.join(args)}}}"
+ 70
+ 71
+ 72def _datatype_sql(self: generator.Generator, expression: exp.DataType) -> str:
+ 73    if expression.this == exp.DataType.Type.ARRAY:
+ 74        return f"{self.expressions(expression, flat=True)}[]"
+ 75    return self.datatype_sql(expression)
+ 76
+ 77
+ 78def _regexp_extract_sql(self: generator.Generator, expression: exp.RegexpExtract) -> str:
+ 79    bad_args = list(filter(expression.args.get, ("position", "occurrence")))
+ 80    if bad_args:
+ 81        self.unsupported(f"REGEXP_EXTRACT does not support arg(s) {bad_args}")
+ 82
+ 83    return self.func(
+ 84        "REGEXP_EXTRACT",
+ 85        expression.args.get("this"),
+ 86        expression.args.get("expression"),
+ 87        expression.args.get("group"),
+ 88    )
+ 89
+ 90
+ 91class DuckDB(Dialect):
+ 92    class Tokenizer(tokens.Tokenizer):
+ 93        KEYWORDS = {
+ 94            **tokens.Tokenizer.KEYWORDS,
+ 95            "~": TokenType.RLIKE,
+ 96            ":=": TokenType.EQ,
+ 97            "ATTACH": TokenType.COMMAND,
+ 98            "BINARY": TokenType.VARBINARY,
+ 99            "BPCHAR": TokenType.TEXT,
+100            "BITSTRING": TokenType.BIT,
+101            "CHAR": TokenType.TEXT,
+102            "CHARACTER VARYING": TokenType.TEXT,
+103            "EXCLUDE": TokenType.EXCEPT,
+104            "INT1": TokenType.TINYINT,
+105            "LOGICAL": TokenType.BOOLEAN,
+106            "NUMERIC": TokenType.DOUBLE,
+107            "SIGNED": TokenType.INT,
+108            "STRING": TokenType.VARCHAR,
+109            "UBIGINT": TokenType.UBIGINT,
+110            "UINTEGER": TokenType.UINT,
+111            "USMALLINT": TokenType.USMALLINT,
+112            "UTINYINT": TokenType.UTINYINT,
+113        }
+114
+115    class Parser(parser.Parser):
+116        FUNCTIONS = {
+117            **parser.Parser.FUNCTIONS,  # type: ignore
+118            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
+119            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
+120            "ARRAY_SORT": exp.SortArray.from_arg_list,
+121            "ARRAY_REVERSE_SORT": _sort_array_reverse,
+122            "DATEDIFF": _parse_date_diff,
+123            "DATE_DIFF": _parse_date_diff,
+124            "EPOCH": exp.TimeToUnix.from_arg_list,
+125            "EPOCH_MS": lambda args: exp.UnixToTime(
+126                this=exp.Div(
+127                    this=seq_get(args, 0),
+128                    expression=exp.Literal.number(1000),
+129                )
+130            ),
+131            "LIST_REVERSE_SORT": _sort_array_reverse,
+132            "LIST_SORT": exp.SortArray.from_arg_list,
+133            "LIST_VALUE": exp.Array.from_arg_list,
+134            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
+135            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
+136            "STRING_SPLIT": exp.Split.from_arg_list,
+137            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+138            "STRING_TO_ARRAY": exp.Split.from_arg_list,
+139            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
+140            "STRUCT_PACK": exp.Struct.from_arg_list,
+141            "STR_SPLIT": exp.Split.from_arg_list,
+142            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+143            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
+144            "UNNEST": exp.Explode.from_arg_list,
+145        }
 146
-147        TRANSFORMS = {
-148            **generator.Generator.TRANSFORMS,  # type: ignore
-149            exp.ApproxDistinct: approx_count_distinct_sql,
-150            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
-151            if isinstance(seq_get(e.expressions, 0), exp.Select)
-152            else rename_func("LIST_VALUE")(self, e),
-153            exp.ArraySize: rename_func("ARRAY_LENGTH"),
-154            exp.ArraySort: _array_sort_sql,
-155            exp.ArraySum: rename_func("LIST_SUM"),
-156            exp.CommentColumnConstraint: no_comment_column_constraint_sql,
-157            exp.DayOfMonth: rename_func("DAYOFMONTH"),
-158            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-159            exp.DayOfYear: rename_func("DAYOFYEAR"),
-160            exp.DataType: _datatype_sql,
-161            exp.DateAdd: _date_add,
-162            exp.DateDiff: lambda self, e: self.func(
-163                "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this
-164            ),
-165            exp.DateStrToDate: datestrtodate_sql,
-166            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
-167            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
-168            exp.Explode: rename_func("UNNEST"),
-169            exp.JSONExtract: arrow_json_extract_sql,
-170            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-171            exp.JSONBExtract: arrow_json_extract_sql,
-172            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
-173            exp.LogicalOr: rename_func("BOOL_OR"),
-174            exp.LogicalAnd: rename_func("BOOL_AND"),
-175            exp.Pivot: no_pivot_sql,
-176            exp.Properties: no_properties_sql,
-177            exp.RegexpExtract: _regexp_extract_sql,
-178            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
-179            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
-180            exp.SafeDivide: no_safe_divide_sql,
-181            exp.Split: rename_func("STR_SPLIT"),
-182            exp.SortArray: _sort_array_sql,
-183            exp.StrPosition: str_position_sql,
-184            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
-185            exp.StrToTime: str_to_time_sql,
-186            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
-187            exp.Struct: _struct_sql,
-188            exp.TimestampTrunc: timestamptrunc_sql,
-189            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
-190            exp.TimeStrToTime: timestrtotime_sql,
-191            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
-192            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
-193            exp.TimeToUnix: rename_func("EPOCH"),
-194            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
-195            exp.TsOrDsAdd: _ts_or_ds_add,
-196            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
-197            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
-198            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
-199            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
-200            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
-201        }
-202
-203        TYPE_MAPPING = {
-204            **generator.Generator.TYPE_MAPPING,  # type: ignore
-205            exp.DataType.Type.BINARY: "BLOB",
-206            exp.DataType.Type.CHAR: "TEXT",
-207            exp.DataType.Type.FLOAT: "REAL",
-208            exp.DataType.Type.NCHAR: "TEXT",
-209            exp.DataType.Type.NVARCHAR: "TEXT",
-210            exp.DataType.Type.UINT: "UINTEGER",
-211            exp.DataType.Type.VARBINARY: "BLOB",
-212            exp.DataType.Type.VARCHAR: "TEXT",
-213        }
-214
-215        STAR_MAPPING = {
-216            **generator.Generator.STAR_MAPPING,
-217            "except": "EXCLUDE",
+147        TYPE_TOKENS = {
+148            *parser.Parser.TYPE_TOKENS,
+149            TokenType.UBIGINT,
+150            TokenType.UINT,
+151            TokenType.USMALLINT,
+152            TokenType.UTINYINT,
+153        }
+154
+155    class Generator(generator.Generator):
+156        JOIN_HINTS = False
+157        TABLE_HINTS = False
+158        LIMIT_FETCH = "LIMIT"
+159        STRUCT_DELIMITER = ("(", ")")
+160
+161        TRANSFORMS = {
+162            **generator.Generator.TRANSFORMS,
+163            exp.ApproxDistinct: approx_count_distinct_sql,
+164            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
+165            if isinstance(seq_get(e.expressions, 0), exp.Select)
+166            else rename_func("LIST_VALUE")(self, e),
+167            exp.ArraySize: rename_func("ARRAY_LENGTH"),
+168            exp.ArraySort: _array_sort_sql,
+169            exp.ArraySum: rename_func("LIST_SUM"),
+170            exp.CommentColumnConstraint: no_comment_column_constraint_sql,
+171            exp.CurrentDate: lambda self, e: "CURRENT_DATE",
+172            exp.CurrentTime: lambda self, e: "CURRENT_TIME",
+173            exp.CurrentTimestamp: lambda self, e: "CURRENT_TIMESTAMP",
+174            exp.DayOfMonth: rename_func("DAYOFMONTH"),
+175            exp.DayOfWeek: rename_func("DAYOFWEEK"),
+176            exp.DayOfYear: rename_func("DAYOFYEAR"),
+177            exp.DataType: _datatype_sql,
+178            exp.DateAdd: _date_add_sql,
+179            exp.DateDiff: lambda self, e: self.func(
+180                "DATE_DIFF", f"'{e.args.get('unit', 'day')}'", e.expression, e.this
+181            ),
+182            exp.DateStrToDate: datestrtodate_sql,
+183            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
+184            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
+185            exp.Explode: rename_func("UNNEST"),
+186            exp.JSONExtract: arrow_json_extract_sql,
+187            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+188            exp.JSONBExtract: arrow_json_extract_sql,
+189            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
+190            exp.LogicalOr: rename_func("BOOL_OR"),
+191            exp.LogicalAnd: rename_func("BOOL_AND"),
+192            exp.Pivot: no_pivot_sql,
+193            exp.Properties: no_properties_sql,
+194            exp.RegexpExtract: _regexp_extract_sql,
+195            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
+196            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
+197            exp.SafeDivide: no_safe_divide_sql,
+198            exp.Split: rename_func("STR_SPLIT"),
+199            exp.SortArray: _sort_array_sql,
+200            exp.StrPosition: str_position_sql,
+201            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
+202            exp.StrToTime: str_to_time_sql,
+203            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
+204            exp.Struct: _struct_sql,
+205            exp.TimestampTrunc: timestamptrunc_sql,
+206            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
+207            exp.TimeStrToTime: timestrtotime_sql,
+208            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
+209            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
+210            exp.TimeToUnix: rename_func("EPOCH"),
+211            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
+212            exp.TsOrDsAdd: _ts_or_ds_add_sql,
+213            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
+214            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
+215            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
+216            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
+217            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
 218        }
 219
-220        PROPERTIES_LOCATION = {
-221            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-222            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-223        }
-224
-225        LIMIT_FETCH = "LIMIT"
-226
-227        def tablesample_sql(self, expression: exp.TableSample, seed_prefix: str = "SEED") -> str:
-228            return super().tablesample_sql(expression, seed_prefix="REPEATABLE")
+220        TYPE_MAPPING = {
+221            **generator.Generator.TYPE_MAPPING,
+222            exp.DataType.Type.BINARY: "BLOB",
+223            exp.DataType.Type.CHAR: "TEXT",
+224            exp.DataType.Type.FLOAT: "REAL",
+225            exp.DataType.Type.NCHAR: "TEXT",
+226            exp.DataType.Type.NVARCHAR: "TEXT",
+227            exp.DataType.Type.UINT: "UINTEGER",
+228            exp.DataType.Type.VARBINARY: "BLOB",
+229            exp.DataType.Type.VARCHAR: "TEXT",
+230        }
+231
+232        STAR_MAPPING = {**generator.Generator.STAR_MAPPING, "except": "EXCLUDE"}
+233
+234        PROPERTIES_LOCATION = {
+235            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+236            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+237        }
+238
+239        def tablesample_sql(
+240            self, expression: exp.TableSample, seed_prefix: str = "SEED", sep=" AS "
+241        ) -> str:
+242            return super().tablesample_sql(expression, seed_prefix="REPEATABLE", sep=sep)
 
    
 
 
@@ -323,155 +337,158 @@
    - 
     81class DuckDB(Dialect):
- 82    class Tokenizer(tokens.Tokenizer):
- 83        KEYWORDS = {
- 84            **tokens.Tokenizer.KEYWORDS,
- 85            "~": TokenType.RLIKE,
- 86            ":=": TokenType.EQ,
- 87            "ATTACH": TokenType.COMMAND,
- 88            "BINARY": TokenType.VARBINARY,
- 89            "BPCHAR": TokenType.TEXT,
- 90            "BITSTRING": TokenType.BIT,
- 91            "CHAR": TokenType.TEXT,
- 92            "CHARACTER VARYING": TokenType.TEXT,
- 93            "EXCLUDE": TokenType.EXCEPT,
- 94            "INT1": TokenType.TINYINT,
- 95            "LOGICAL": TokenType.BOOLEAN,
- 96            "NUMERIC": TokenType.DOUBLE,
- 97            "SIGNED": TokenType.INT,
- 98            "STRING": TokenType.VARCHAR,
- 99            "UBIGINT": TokenType.UBIGINT,
-100            "UINTEGER": TokenType.UINT,
-101            "USMALLINT": TokenType.USMALLINT,
-102            "UTINYINT": TokenType.UTINYINT,
-103        }
-104
-105    class Parser(parser.Parser):
-106        FUNCTIONS = {
-107            **parser.Parser.FUNCTIONS,  # type: ignore
-108            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
-109            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
-110            "ARRAY_SORT": exp.SortArray.from_arg_list,
-111            "ARRAY_REVERSE_SORT": _sort_array_reverse,
-112            "EPOCH": exp.TimeToUnix.from_arg_list,
-113            "EPOCH_MS": lambda args: exp.UnixToTime(
-114                this=exp.Div(
-115                    this=seq_get(args, 0),
-116                    expression=exp.Literal.number(1000),
-117                )
-118            ),
-119            "LIST_SORT": exp.SortArray.from_arg_list,
-120            "LIST_REVERSE_SORT": _sort_array_reverse,
-121            "LIST_VALUE": exp.Array.from_arg_list,
-122            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
-123            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
-124            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
-125            "STR_SPLIT": exp.Split.from_arg_list,
-126            "STRING_SPLIT": exp.Split.from_arg_list,
-127            "STRING_TO_ARRAY": exp.Split.from_arg_list,
-128            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-129            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-130            "STRUCT_PACK": exp.Struct.from_arg_list,
-131            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
-132            "UNNEST": exp.Explode.from_arg_list,
-133        }
-134
-135        TYPE_TOKENS = {
-136            *parser.Parser.TYPE_TOKENS,
-137            TokenType.UBIGINT,
-138            TokenType.UINT,
-139            TokenType.USMALLINT,
-140            TokenType.UTINYINT,
-141        }
-142
-143    class Generator(generator.Generator):
-144        JOIN_HINTS = False
-145        TABLE_HINTS = False
-146        STRUCT_DELIMITER = ("(", ")")
+            
     92class DuckDB(Dialect):
+ 93    class Tokenizer(tokens.Tokenizer):
+ 94        KEYWORDS = {
+ 95            **tokens.Tokenizer.KEYWORDS,
+ 96            "~": TokenType.RLIKE,
+ 97            ":=": TokenType.EQ,
+ 98            "ATTACH": TokenType.COMMAND,
+ 99            "BINARY": TokenType.VARBINARY,
+100            "BPCHAR": TokenType.TEXT,
+101            "BITSTRING": TokenType.BIT,
+102            "CHAR": TokenType.TEXT,
+103            "CHARACTER VARYING": TokenType.TEXT,
+104            "EXCLUDE": TokenType.EXCEPT,
+105            "INT1": TokenType.TINYINT,
+106            "LOGICAL": TokenType.BOOLEAN,
+107            "NUMERIC": TokenType.DOUBLE,
+108            "SIGNED": TokenType.INT,
+109            "STRING": TokenType.VARCHAR,
+110            "UBIGINT": TokenType.UBIGINT,
+111            "UINTEGER": TokenType.UINT,
+112            "USMALLINT": TokenType.USMALLINT,
+113            "UTINYINT": TokenType.UTINYINT,
+114        }
+115
+116    class Parser(parser.Parser):
+117        FUNCTIONS = {
+118            **parser.Parser.FUNCTIONS,  # type: ignore
+119            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
+120            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
+121            "ARRAY_SORT": exp.SortArray.from_arg_list,
+122            "ARRAY_REVERSE_SORT": _sort_array_reverse,
+123            "DATEDIFF": _parse_date_diff,
+124            "DATE_DIFF": _parse_date_diff,
+125            "EPOCH": exp.TimeToUnix.from_arg_list,
+126            "EPOCH_MS": lambda args: exp.UnixToTime(
+127                this=exp.Div(
+128                    this=seq_get(args, 0),
+129                    expression=exp.Literal.number(1000),
+130                )
+131            ),
+132            "LIST_REVERSE_SORT": _sort_array_reverse,
+133            "LIST_SORT": exp.SortArray.from_arg_list,
+134            "LIST_VALUE": exp.Array.from_arg_list,
+135            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
+136            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
+137            "STRING_SPLIT": exp.Split.from_arg_list,
+138            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+139            "STRING_TO_ARRAY": exp.Split.from_arg_list,
+140            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
+141            "STRUCT_PACK": exp.Struct.from_arg_list,
+142            "STR_SPLIT": exp.Split.from_arg_list,
+143            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+144            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
+145            "UNNEST": exp.Explode.from_arg_list,
+146        }
 147
-148        TRANSFORMS = {
-149            **generator.Generator.TRANSFORMS,  # type: ignore
-150            exp.ApproxDistinct: approx_count_distinct_sql,
-151            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
-152            if isinstance(seq_get(e.expressions, 0), exp.Select)
-153            else rename_func("LIST_VALUE")(self, e),
-154            exp.ArraySize: rename_func("ARRAY_LENGTH"),
-155            exp.ArraySort: _array_sort_sql,
-156            exp.ArraySum: rename_func("LIST_SUM"),
-157            exp.CommentColumnConstraint: no_comment_column_constraint_sql,
-158            exp.DayOfMonth: rename_func("DAYOFMONTH"),
-159            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-160            exp.DayOfYear: rename_func("DAYOFYEAR"),
-161            exp.DataType: _datatype_sql,
-162            exp.DateAdd: _date_add,
-163            exp.DateDiff: lambda self, e: self.func(
-164                "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this
-165            ),
-166            exp.DateStrToDate: datestrtodate_sql,
-167            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
-168            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
-169            exp.Explode: rename_func("UNNEST"),
-170            exp.JSONExtract: arrow_json_extract_sql,
-171            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-172            exp.JSONBExtract: arrow_json_extract_sql,
-173            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
-174            exp.LogicalOr: rename_func("BOOL_OR"),
-175            exp.LogicalAnd: rename_func("BOOL_AND"),
-176            exp.Pivot: no_pivot_sql,
-177            exp.Properties: no_properties_sql,
-178            exp.RegexpExtract: _regexp_extract_sql,
-179            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
-180            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
-181            exp.SafeDivide: no_safe_divide_sql,
-182            exp.Split: rename_func("STR_SPLIT"),
-183            exp.SortArray: _sort_array_sql,
-184            exp.StrPosition: str_position_sql,
-185            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
-186            exp.StrToTime: str_to_time_sql,
-187            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
-188            exp.Struct: _struct_sql,
-189            exp.TimestampTrunc: timestamptrunc_sql,
-190            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
-191            exp.TimeStrToTime: timestrtotime_sql,
-192            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
-193            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
-194            exp.TimeToUnix: rename_func("EPOCH"),
-195            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
-196            exp.TsOrDsAdd: _ts_or_ds_add,
-197            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
-198            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
-199            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
-200            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
-201            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
-202        }
-203
-204        TYPE_MAPPING = {
-205            **generator.Generator.TYPE_MAPPING,  # type: ignore
-206            exp.DataType.Type.BINARY: "BLOB",
-207            exp.DataType.Type.CHAR: "TEXT",
-208            exp.DataType.Type.FLOAT: "REAL",
-209            exp.DataType.Type.NCHAR: "TEXT",
-210            exp.DataType.Type.NVARCHAR: "TEXT",
-211            exp.DataType.Type.UINT: "UINTEGER",
-212            exp.DataType.Type.VARBINARY: "BLOB",
-213            exp.DataType.Type.VARCHAR: "TEXT",
-214        }
-215
-216        STAR_MAPPING = {
-217            **generator.Generator.STAR_MAPPING,
-218            "except": "EXCLUDE",
+148        TYPE_TOKENS = {
+149            *parser.Parser.TYPE_TOKENS,
+150            TokenType.UBIGINT,
+151            TokenType.UINT,
+152            TokenType.USMALLINT,
+153            TokenType.UTINYINT,
+154        }
+155
+156    class Generator(generator.Generator):
+157        JOIN_HINTS = False
+158        TABLE_HINTS = False
+159        LIMIT_FETCH = "LIMIT"
+160        STRUCT_DELIMITER = ("(", ")")
+161
+162        TRANSFORMS = {
+163            **generator.Generator.TRANSFORMS,
+164            exp.ApproxDistinct: approx_count_distinct_sql,
+165            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
+166            if isinstance(seq_get(e.expressions, 0), exp.Select)
+167            else rename_func("LIST_VALUE")(self, e),
+168            exp.ArraySize: rename_func("ARRAY_LENGTH"),
+169            exp.ArraySort: _array_sort_sql,
+170            exp.ArraySum: rename_func("LIST_SUM"),
+171            exp.CommentColumnConstraint: no_comment_column_constraint_sql,
+172            exp.CurrentDate: lambda self, e: "CURRENT_DATE",
+173            exp.CurrentTime: lambda self, e: "CURRENT_TIME",
+174            exp.CurrentTimestamp: lambda self, e: "CURRENT_TIMESTAMP",
+175            exp.DayOfMonth: rename_func("DAYOFMONTH"),
+176            exp.DayOfWeek: rename_func("DAYOFWEEK"),
+177            exp.DayOfYear: rename_func("DAYOFYEAR"),
+178            exp.DataType: _datatype_sql,
+179            exp.DateAdd: _date_add_sql,
+180            exp.DateDiff: lambda self, e: self.func(
+181                "DATE_DIFF", f"'{e.args.get('unit', 'day')}'", e.expression, e.this
+182            ),
+183            exp.DateStrToDate: datestrtodate_sql,
+184            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
+185            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
+186            exp.Explode: rename_func("UNNEST"),
+187            exp.JSONExtract: arrow_json_extract_sql,
+188            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+189            exp.JSONBExtract: arrow_json_extract_sql,
+190            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
+191            exp.LogicalOr: rename_func("BOOL_OR"),
+192            exp.LogicalAnd: rename_func("BOOL_AND"),
+193            exp.Pivot: no_pivot_sql,
+194            exp.Properties: no_properties_sql,
+195            exp.RegexpExtract: _regexp_extract_sql,
+196            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
+197            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
+198            exp.SafeDivide: no_safe_divide_sql,
+199            exp.Split: rename_func("STR_SPLIT"),
+200            exp.SortArray: _sort_array_sql,
+201            exp.StrPosition: str_position_sql,
+202            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
+203            exp.StrToTime: str_to_time_sql,
+204            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
+205            exp.Struct: _struct_sql,
+206            exp.TimestampTrunc: timestamptrunc_sql,
+207            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
+208            exp.TimeStrToTime: timestrtotime_sql,
+209            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
+210            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
+211            exp.TimeToUnix: rename_func("EPOCH"),
+212            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
+213            exp.TsOrDsAdd: _ts_or_ds_add_sql,
+214            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
+215            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
+216            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
+217            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
+218            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
 219        }
 220
-221        PROPERTIES_LOCATION = {
-222            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-223            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-224        }
-225
-226        LIMIT_FETCH = "LIMIT"
-227
-228        def tablesample_sql(self, expression: exp.TableSample, seed_prefix: str = "SEED") -> str:
-229            return super().tablesample_sql(expression, seed_prefix="REPEATABLE")
+221        TYPE_MAPPING = {
+222            **generator.Generator.TYPE_MAPPING,
+223            exp.DataType.Type.BINARY: "BLOB",
+224            exp.DataType.Type.CHAR: "TEXT",
+225            exp.DataType.Type.FLOAT: "REAL",
+226            exp.DataType.Type.NCHAR: "TEXT",
+227            exp.DataType.Type.NVARCHAR: "TEXT",
+228            exp.DataType.Type.UINT: "UINTEGER",
+229            exp.DataType.Type.VARBINARY: "BLOB",
+230            exp.DataType.Type.VARCHAR: "TEXT",
+231        }
+232
+233        STAR_MAPPING = {**generator.Generator.STAR_MAPPING, "except": "EXCLUDE"}
+234
+235        PROPERTIES_LOCATION = {
+236            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+237            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+238        }
+239
+240        def tablesample_sql(
+241            self, expression: exp.TableSample, seed_prefix: str = "SEED", sep=" AS "
+242        ) -> str:
+243            return super().tablesample_sql(expression, seed_prefix="REPEATABLE", sep=sep)
 
    
 
 
@@ -506,28 +523,28 @@
    - 
     82    class Tokenizer(tokens.Tokenizer):
- 83        KEYWORDS = {
- 84            **tokens.Tokenizer.KEYWORDS,
- 85            "~": TokenType.RLIKE,
- 86            ":=": TokenType.EQ,
- 87            "ATTACH": TokenType.COMMAND,
- 88            "BINARY": TokenType.VARBINARY,
- 89            "BPCHAR": TokenType.TEXT,
- 90            "BITSTRING": TokenType.BIT,
- 91            "CHAR": TokenType.TEXT,
- 92            "CHARACTER VARYING": TokenType.TEXT,
- 93            "EXCLUDE": TokenType.EXCEPT,
- 94            "INT1": TokenType.TINYINT,
- 95            "LOGICAL": TokenType.BOOLEAN,
- 96            "NUMERIC": TokenType.DOUBLE,
- 97            "SIGNED": TokenType.INT,
- 98            "STRING": TokenType.VARCHAR,
- 99            "UBIGINT": TokenType.UBIGINT,
-100            "UINTEGER": TokenType.UINT,
-101            "USMALLINT": TokenType.USMALLINT,
-102            "UTINYINT": TokenType.UTINYINT,
-103        }
+            
     93    class Tokenizer(tokens.Tokenizer):
+ 94        KEYWORDS = {
+ 95            **tokens.Tokenizer.KEYWORDS,
+ 96            "~": TokenType.RLIKE,
+ 97            ":=": TokenType.EQ,
+ 98            "ATTACH": TokenType.COMMAND,
+ 99            "BINARY": TokenType.VARBINARY,
+100            "BPCHAR": TokenType.TEXT,
+101            "BITSTRING": TokenType.BIT,
+102            "CHAR": TokenType.TEXT,
+103            "CHARACTER VARYING": TokenType.TEXT,
+104            "EXCLUDE": TokenType.EXCEPT,
+105            "INT1": TokenType.TINYINT,
+106            "LOGICAL": TokenType.BOOLEAN,
+107            "NUMERIC": TokenType.DOUBLE,
+108            "SIGNED": TokenType.INT,
+109            "STRING": TokenType.VARCHAR,
+110            "UBIGINT": TokenType.UBIGINT,
+111            "UINTEGER": TokenType.UINT,
+112            "USMALLINT": TokenType.USMALLINT,
+113            "UTINYINT": TokenType.UTINYINT,
+114        }
 
    
 
 
@@ -555,43 +572,45 @@
    - 
    105    class Parser(parser.Parser):
-106        FUNCTIONS = {
-107            **parser.Parser.FUNCTIONS,  # type: ignore
-108            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
-109            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
-110            "ARRAY_SORT": exp.SortArray.from_arg_list,
-111            "ARRAY_REVERSE_SORT": _sort_array_reverse,
-112            "EPOCH": exp.TimeToUnix.from_arg_list,
-113            "EPOCH_MS": lambda args: exp.UnixToTime(
-114                this=exp.Div(
-115                    this=seq_get(args, 0),
-116                    expression=exp.Literal.number(1000),
-117                )
-118            ),
-119            "LIST_SORT": exp.SortArray.from_arg_list,
-120            "LIST_REVERSE_SORT": _sort_array_reverse,
-121            "LIST_VALUE": exp.Array.from_arg_list,
-122            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
-123            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
-124            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
-125            "STR_SPLIT": exp.Split.from_arg_list,
-126            "STRING_SPLIT": exp.Split.from_arg_list,
-127            "STRING_TO_ARRAY": exp.Split.from_arg_list,
-128            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-129            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-130            "STRUCT_PACK": exp.Struct.from_arg_list,
-131            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
-132            "UNNEST": exp.Explode.from_arg_list,
-133        }
-134
-135        TYPE_TOKENS = {
-136            *parser.Parser.TYPE_TOKENS,
-137            TokenType.UBIGINT,
-138            TokenType.UINT,
-139            TokenType.USMALLINT,
-140            TokenType.UTINYINT,
-141        }
+            
    116    class Parser(parser.Parser):
+117        FUNCTIONS = {
+118            **parser.Parser.FUNCTIONS,  # type: ignore
+119            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
+120            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
+121            "ARRAY_SORT": exp.SortArray.from_arg_list,
+122            "ARRAY_REVERSE_SORT": _sort_array_reverse,
+123            "DATEDIFF": _parse_date_diff,
+124            "DATE_DIFF": _parse_date_diff,
+125            "EPOCH": exp.TimeToUnix.from_arg_list,
+126            "EPOCH_MS": lambda args: exp.UnixToTime(
+127                this=exp.Div(
+128                    this=seq_get(args, 0),
+129                    expression=exp.Literal.number(1000),
+130                )
+131            ),
+132            "LIST_REVERSE_SORT": _sort_array_reverse,
+133            "LIST_SORT": exp.SortArray.from_arg_list,
+134            "LIST_VALUE": exp.Array.from_arg_list,
+135            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
+136            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
+137            "STRING_SPLIT": exp.Split.from_arg_list,
+138            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+139            "STRING_TO_ARRAY": exp.Split.from_arg_list,
+140            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
+141            "STRUCT_PACK": exp.Struct.from_arg_list,
+142            "STR_SPLIT": exp.Split.from_arg_list,
+143            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+144            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
+145            "UNNEST": exp.Explode.from_arg_list,
+146        }
+147
+148        TYPE_TOKENS = {
+149            *parser.Parser.TYPE_TOKENS,
+150            TokenType.UBIGINT,
+151            TokenType.UINT,
+152            TokenType.USMALLINT,
+153            TokenType.UTINYINT,
+154        }
 
    
 
 
@@ -648,93 +667,94 @@ Default: "nulls_are_small"
    - 
    143    class Generator(generator.Generator):
-144        JOIN_HINTS = False
-145        TABLE_HINTS = False
-146        STRUCT_DELIMITER = ("(", ")")
-147
-148        TRANSFORMS = {
-149            **generator.Generator.TRANSFORMS,  # type: ignore
-150            exp.ApproxDistinct: approx_count_distinct_sql,
-151            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
-152            if isinstance(seq_get(e.expressions, 0), exp.Select)
-153            else rename_func("LIST_VALUE")(self, e),
-154            exp.ArraySize: rename_func("ARRAY_LENGTH"),
-155            exp.ArraySort: _array_sort_sql,
-156            exp.ArraySum: rename_func("LIST_SUM"),
-157            exp.CommentColumnConstraint: no_comment_column_constraint_sql,
-158            exp.DayOfMonth: rename_func("DAYOFMONTH"),
-159            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-160            exp.DayOfYear: rename_func("DAYOFYEAR"),
-161            exp.DataType: _datatype_sql,
-162            exp.DateAdd: _date_add,
-163            exp.DateDiff: lambda self, e: self.func(
-164                "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this
-165            ),
-166            exp.DateStrToDate: datestrtodate_sql,
-167            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
-168            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
-169            exp.Explode: rename_func("UNNEST"),
-170            exp.JSONExtract: arrow_json_extract_sql,
-171            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-172            exp.JSONBExtract: arrow_json_extract_sql,
-173            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
-174            exp.LogicalOr: rename_func("BOOL_OR"),
-175            exp.LogicalAnd: rename_func("BOOL_AND"),
-176            exp.Pivot: no_pivot_sql,
-177            exp.Properties: no_properties_sql,
-178            exp.RegexpExtract: _regexp_extract_sql,
-179            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
-180            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
-181            exp.SafeDivide: no_safe_divide_sql,
-182            exp.Split: rename_func("STR_SPLIT"),
-183            exp.SortArray: _sort_array_sql,
-184            exp.StrPosition: str_position_sql,
-185            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
-186            exp.StrToTime: str_to_time_sql,
-187            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
-188            exp.Struct: _struct_sql,
-189            exp.TimestampTrunc: timestamptrunc_sql,
-190            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
-191            exp.TimeStrToTime: timestrtotime_sql,
-192            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
-193            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
-194            exp.TimeToUnix: rename_func("EPOCH"),
-195            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
-196            exp.TsOrDsAdd: _ts_or_ds_add,
-197            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
-198            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
-199            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
-200            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
-201            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
-202        }
-203
-204        TYPE_MAPPING = {
-205            **generator.Generator.TYPE_MAPPING,  # type: ignore
-206            exp.DataType.Type.BINARY: "BLOB",
-207            exp.DataType.Type.CHAR: "TEXT",
-208            exp.DataType.Type.FLOAT: "REAL",
-209            exp.DataType.Type.NCHAR: "TEXT",
-210            exp.DataType.Type.NVARCHAR: "TEXT",
-211            exp.DataType.Type.UINT: "UINTEGER",
-212            exp.DataType.Type.VARBINARY: "BLOB",
-213            exp.DataType.Type.VARCHAR: "TEXT",
-214        }
-215
-216        STAR_MAPPING = {
-217            **generator.Generator.STAR_MAPPING,
-218            "except": "EXCLUDE",
+            
    156    class Generator(generator.Generator):
+157        JOIN_HINTS = False
+158        TABLE_HINTS = False
+159        LIMIT_FETCH = "LIMIT"
+160        STRUCT_DELIMITER = ("(", ")")
+161
+162        TRANSFORMS = {
+163            **generator.Generator.TRANSFORMS,
+164            exp.ApproxDistinct: approx_count_distinct_sql,
+165            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
+166            if isinstance(seq_get(e.expressions, 0), exp.Select)
+167            else rename_func("LIST_VALUE")(self, e),
+168            exp.ArraySize: rename_func("ARRAY_LENGTH"),
+169            exp.ArraySort: _array_sort_sql,
+170            exp.ArraySum: rename_func("LIST_SUM"),
+171            exp.CommentColumnConstraint: no_comment_column_constraint_sql,
+172            exp.CurrentDate: lambda self, e: "CURRENT_DATE",
+173            exp.CurrentTime: lambda self, e: "CURRENT_TIME",
+174            exp.CurrentTimestamp: lambda self, e: "CURRENT_TIMESTAMP",
+175            exp.DayOfMonth: rename_func("DAYOFMONTH"),
+176            exp.DayOfWeek: rename_func("DAYOFWEEK"),
+177            exp.DayOfYear: rename_func("DAYOFYEAR"),
+178            exp.DataType: _datatype_sql,
+179            exp.DateAdd: _date_add_sql,
+180            exp.DateDiff: lambda self, e: self.func(
+181                "DATE_DIFF", f"'{e.args.get('unit', 'day')}'", e.expression, e.this
+182            ),
+183            exp.DateStrToDate: datestrtodate_sql,
+184            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
+185            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
+186            exp.Explode: rename_func("UNNEST"),
+187            exp.JSONExtract: arrow_json_extract_sql,
+188            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+189            exp.JSONBExtract: arrow_json_extract_sql,
+190            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
+191            exp.LogicalOr: rename_func("BOOL_OR"),
+192            exp.LogicalAnd: rename_func("BOOL_AND"),
+193            exp.Pivot: no_pivot_sql,
+194            exp.Properties: no_properties_sql,
+195            exp.RegexpExtract: _regexp_extract_sql,
+196            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
+197            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
+198            exp.SafeDivide: no_safe_divide_sql,
+199            exp.Split: rename_func("STR_SPLIT"),
+200            exp.SortArray: _sort_array_sql,
+201            exp.StrPosition: str_position_sql,
+202            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
+203            exp.StrToTime: str_to_time_sql,
+204            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
+205            exp.Struct: _struct_sql,
+206            exp.TimestampTrunc: timestamptrunc_sql,
+207            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
+208            exp.TimeStrToTime: timestrtotime_sql,
+209            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
+210            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
+211            exp.TimeToUnix: rename_func("EPOCH"),
+212            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
+213            exp.TsOrDsAdd: _ts_or_ds_add_sql,
+214            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
+215            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
+216            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
+217            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
+218            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
 219        }
 220
-221        PROPERTIES_LOCATION = {
-222            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-223            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-224        }
-225
-226        LIMIT_FETCH = "LIMIT"
-227
-228        def tablesample_sql(self, expression: exp.TableSample, seed_prefix: str = "SEED") -> str:
-229            return super().tablesample_sql(expression, seed_prefix="REPEATABLE")
+221        TYPE_MAPPING = {
+222            **generator.Generator.TYPE_MAPPING,
+223            exp.DataType.Type.BINARY: "BLOB",
+224            exp.DataType.Type.CHAR: "TEXT",
+225            exp.DataType.Type.FLOAT: "REAL",
+226            exp.DataType.Type.NCHAR: "TEXT",
+227            exp.DataType.Type.NVARCHAR: "TEXT",
+228            exp.DataType.Type.UINT: "UINTEGER",
+229            exp.DataType.Type.VARBINARY: "BLOB",
+230            exp.DataType.Type.VARCHAR: "TEXT",
+231        }
+232
+233        STAR_MAPPING = {**generator.Generator.STAR_MAPPING, "except": "EXCLUDE"}
+234
+235        PROPERTIES_LOCATION = {
+236            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+237            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+238        }
+239
+240        def tablesample_sql(
+241            self, expression: exp.TableSample, seed_prefix: str = "SEED", sep=" AS "
+242        ) -> str:
+243            return super().tablesample_sql(expression, seed_prefix="REPEATABLE", sep=sep)
 
    
 
 
@@ -787,14 +807,16 @@ Default: True
 
    
             
         def
-        tablesample_sql(	self,	expression: sqlglot.expressions.TableSample,	seed_prefix: str = 'SEED') -> str:
+        tablesample_sql(	self,	expression: sqlglot.expressions.TableSample,	seed_prefix: str = 'SEED',	sep=' AS ') -> str:
 
                 
 
     
    
     
-            
    228        def tablesample_sql(self, expression: exp.TableSample, seed_prefix: str = "SEED") -> str:
-229            return super().tablesample_sql(expression, seed_prefix="REPEATABLE")
+            
    240        def tablesample_sql(
+241            self, expression: exp.TableSample, seed_prefix: str = "SEED", sep=" AS "
+242        ) -> str:
+243            return super().tablesample_sql(expression, seed_prefix="REPEATABLE", sep=sep)
 
    
 
 
@@ -924,7 +946,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -933,6 +955,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/hive.html b/docs/sqlglot/dialects/hive.html
index b477f0e..5266bd3 100644
--- a/docs/sqlglot/dialects/hive.html
+++ b/docs/sqlglot/dialects/hive.html
@@ -169,300 +169,316 @@
      81    return f"{diff_sql}{multiplier_sql}"
  82
  83
- 84def _array_sort(self: generator.Generator, expression: exp.ArraySort) -> str:
- 85    if expression.expression:
- 86        self.unsupported("Hive SORT_ARRAY does not support a comparator")
- 87    return f"SORT_ARRAY({self.sql(expression, 'this')})"
- 88
+ 84def _json_format_sql(self: generator.Generator, expression: exp.JSONFormat) -> str:
+ 85    this = expression.this
+ 86
+ 87    if not this.type:
+ 88        from sqlglot.optimizer.annotate_types import annotate_types
  89
- 90def _property_sql(self: generator.Generator, expression: exp.Property) -> str:
- 91    return f"'{expression.name}'={self.sql(expression, 'value')}"
- 92
- 93
- 94def _str_to_unix(self: generator.Generator, expression: exp.StrToUnix) -> str:
- 95    return self.func("UNIX_TIMESTAMP", expression.this, _time_format(self, expression))
+ 90        annotate_types(this)
+ 91
+ 92    if this.type.is_type(exp.DataType.Type.JSON):
+ 93        return self.sql(this)
+ 94    return self.func("TO_JSON", this, expression.args.get("options"))
+ 95
  96
- 97
- 98def _str_to_date(self: generator.Generator, expression: exp.StrToDate) -> str:
- 99    this = self.sql(expression, "this")
-100    time_format = self.format_time(expression)
-101    if time_format not in (Hive.time_format, Hive.date_format):
-102        this = f"FROM_UNIXTIME(UNIX_TIMESTAMP({this}, {time_format}))"
-103    return f"CAST({this} AS DATE)"
-104
+ 97def _array_sort_sql(self: generator.Generator, expression: exp.ArraySort) -> str:
+ 98    if expression.expression:
+ 99        self.unsupported("Hive SORT_ARRAY does not support a comparator")
+100    return f"SORT_ARRAY({self.sql(expression, 'this')})"
+101
+102
+103def _property_sql(self: generator.Generator, expression: exp.Property) -> str:
+104    return f"'{expression.name}'={self.sql(expression, 'value')}"
 105
-106def _str_to_time(self: generator.Generator, expression: exp.StrToTime) -> str:
-107    this = self.sql(expression, "this")
-108    time_format = self.format_time(expression)
-109    if time_format not in (Hive.time_format, Hive.date_format):
-110        this = f"FROM_UNIXTIME(UNIX_TIMESTAMP({this}, {time_format}))"
-111    return f"CAST({this} AS TIMESTAMP)"
-112
-113
-114def _time_format(
-115    self: generator.Generator, expression: exp.UnixToStr | exp.StrToUnix
-116) -> t.Optional[str]:
-117    time_format = self.format_time(expression)
-118    if time_format == Hive.time_format:
-119        return None
-120    return time_format
-121
-122
-123def _time_to_str(self: generator.Generator, expression: exp.TimeToStr) -> str:
-124    this = self.sql(expression, "this")
-125    time_format = self.format_time(expression)
-126    return f"DATE_FORMAT({this}, {time_format})"
-127
-128
-129def _to_date_sql(self: generator.Generator, expression: exp.TsOrDsToDate) -> str:
-130    this = self.sql(expression, "this")
-131    time_format = self.format_time(expression)
-132    if time_format and time_format not in (Hive.time_format, Hive.date_format):
-133        return f"TO_DATE({this}, {time_format})"
-134    return f"TO_DATE({this})"
+106
+107def _str_to_unix_sql(self: generator.Generator, expression: exp.StrToUnix) -> str:
+108    return self.func("UNIX_TIMESTAMP", expression.this, _time_format(self, expression))
+109
+110
+111def _str_to_date_sql(self: generator.Generator, expression: exp.StrToDate) -> str:
+112    this = self.sql(expression, "this")
+113    time_format = self.format_time(expression)
+114    if time_format not in (Hive.time_format, Hive.date_format):
+115        this = f"FROM_UNIXTIME(UNIX_TIMESTAMP({this}, {time_format}))"
+116    return f"CAST({this} AS DATE)"
+117
+118
+119def _str_to_time_sql(self: generator.Generator, expression: exp.StrToTime) -> str:
+120    this = self.sql(expression, "this")
+121    time_format = self.format_time(expression)
+122    if time_format not in (Hive.time_format, Hive.date_format):
+123        this = f"FROM_UNIXTIME(UNIX_TIMESTAMP({this}, {time_format}))"
+124    return f"CAST({this} AS TIMESTAMP)"
+125
+126
+127def _time_format(
+128    self: generator.Generator, expression: exp.UnixToStr | exp.StrToUnix
+129) -> t.Optional[str]:
+130    time_format = self.format_time(expression)
+131    if time_format == Hive.time_format:
+132        return None
+133    return time_format
+134
 135
-136
-137def _index_sql(self: generator.Generator, expression: exp.Index) -> str:
-138    this = self.sql(expression, "this")
-139    table = self.sql(expression, "table")
-140    columns = self.sql(expression, "columns")
-141    return f"{this} ON TABLE {table} {columns}"
-142
-143
-144class Hive(Dialect):
-145    alias_post_tablesample = True
-146
-147    time_mapping = {
-148        "y": "%Y",
-149        "Y": "%Y",
-150        "YYYY": "%Y",
-151        "yyyy": "%Y",
-152        "YY": "%y",
-153        "yy": "%y",
-154        "MMMM": "%B",
-155        "MMM": "%b",
-156        "MM": "%m",
-157        "M": "%-m",
-158        "dd": "%d",
-159        "d": "%-d",
-160        "HH": "%H",
-161        "H": "%-H",
-162        "hh": "%I",
-163        "h": "%-I",
-164        "mm": "%M",
-165        "m": "%-M",
-166        "ss": "%S",
-167        "s": "%-S",
-168        "SSSSSS": "%f",
-169        "a": "%p",
-170        "DD": "%j",
-171        "D": "%-j",
-172        "E": "%a",
-173        "EE": "%a",
-174        "EEE": "%a",
-175        "EEEE": "%A",
-176    }
-177
-178    date_format = "'yyyy-MM-dd'"
-179    dateint_format = "'yyyyMMdd'"
-180    time_format = "'yyyy-MM-dd HH:mm:ss'"
-181
-182    class Tokenizer(tokens.Tokenizer):
-183        QUOTES = ["'", '"']
-184        IDENTIFIERS = ["`"]
-185        STRING_ESCAPES = ["\\"]
-186        ENCODE = "utf-8"
-187        IDENTIFIER_CAN_START_WITH_DIGIT = True
-188
-189        KEYWORDS = {
-190            **tokens.Tokenizer.KEYWORDS,
-191            "ADD ARCHIVE": TokenType.COMMAND,
-192            "ADD ARCHIVES": TokenType.COMMAND,
-193            "ADD FILE": TokenType.COMMAND,
-194            "ADD FILES": TokenType.COMMAND,
-195            "ADD JAR": TokenType.COMMAND,
-196            "ADD JARS": TokenType.COMMAND,
-197            "MSCK REPAIR": TokenType.COMMAND,
-198            "WITH SERDEPROPERTIES": TokenType.SERDE_PROPERTIES,
-199        }
-200
-201        NUMERIC_LITERALS = {
-202            "L": "BIGINT",
-203            "S": "SMALLINT",
-204            "Y": "TINYINT",
-205            "D": "DOUBLE",
-206            "F": "FLOAT",
-207            "BD": "DECIMAL",
-208        }
-209
-210    class Parser(parser.Parser):
-211        LOG_DEFAULTS_TO_LN = True
-212        STRICT_CAST = False
+136def _time_to_str(self: generator.Generator, expression: exp.TimeToStr) -> str:
+137    this = self.sql(expression, "this")
+138    time_format = self.format_time(expression)
+139    return f"DATE_FORMAT({this}, {time_format})"
+140
+141
+142def _to_date_sql(self: generator.Generator, expression: exp.TsOrDsToDate) -> str:
+143    this = self.sql(expression, "this")
+144    time_format = self.format_time(expression)
+145    if time_format and time_format not in (Hive.time_format, Hive.date_format):
+146        return f"TO_DATE({this}, {time_format})"
+147    return f"TO_DATE({this})"
+148
+149
+150def _index_sql(self: generator.Generator, expression: exp.Index) -> str:
+151    this = self.sql(expression, "this")
+152    table = self.sql(expression, "table")
+153    columns = self.sql(expression, "columns")
+154    return f"{this} ON TABLE {table} {columns}"
+155
+156
+157class Hive(Dialect):
+158    alias_post_tablesample = True
+159
+160    time_mapping = {
+161        "y": "%Y",
+162        "Y": "%Y",
+163        "YYYY": "%Y",
+164        "yyyy": "%Y",
+165        "YY": "%y",
+166        "yy": "%y",
+167        "MMMM": "%B",
+168        "MMM": "%b",
+169        "MM": "%m",
+170        "M": "%-m",
+171        "dd": "%d",
+172        "d": "%-d",
+173        "HH": "%H",
+174        "H": "%-H",
+175        "hh": "%I",
+176        "h": "%-I",
+177        "mm": "%M",
+178        "m": "%-M",
+179        "ss": "%S",
+180        "s": "%-S",
+181        "SSSSSS": "%f",
+182        "a": "%p",
+183        "DD": "%j",
+184        "D": "%-j",
+185        "E": "%a",
+186        "EE": "%a",
+187        "EEE": "%a",
+188        "EEEE": "%A",
+189    }
+190
+191    date_format = "'yyyy-MM-dd'"
+192    dateint_format = "'yyyyMMdd'"
+193    time_format = "'yyyy-MM-dd HH:mm:ss'"
+194
+195    class Tokenizer(tokens.Tokenizer):
+196        QUOTES = ["'", '"']
+197        IDENTIFIERS = ["`"]
+198        STRING_ESCAPES = ["\\"]
+199        ENCODE = "utf-8"
+200        IDENTIFIER_CAN_START_WITH_DIGIT = True
+201
+202        KEYWORDS = {
+203            **tokens.Tokenizer.KEYWORDS,
+204            "ADD ARCHIVE": TokenType.COMMAND,
+205            "ADD ARCHIVES": TokenType.COMMAND,
+206            "ADD FILE": TokenType.COMMAND,
+207            "ADD FILES": TokenType.COMMAND,
+208            "ADD JAR": TokenType.COMMAND,
+209            "ADD JARS": TokenType.COMMAND,
+210            "MSCK REPAIR": TokenType.COMMAND,
+211            "WITH SERDEPROPERTIES": TokenType.SERDE_PROPERTIES,
+212        }
 213
-214        FUNCTIONS = {
-215            **parser.Parser.FUNCTIONS,  # type: ignore
-216            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
-217            "COLLECT_LIST": exp.ArrayAgg.from_arg_list,
-218            "DATE_ADD": lambda args: exp.TsOrDsAdd(
-219                this=seq_get(args, 0),
-220                expression=seq_get(args, 1),
-221                unit=exp.Literal.string("DAY"),
-222            ),
-223            "DATEDIFF": lambda args: exp.DateDiff(
-224                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
-225                expression=exp.TsOrDsToDate(this=seq_get(args, 1)),
-226            ),
-227            "DATE_SUB": lambda args: exp.TsOrDsAdd(
-228                this=seq_get(args, 0),
-229                expression=exp.Mul(
-230                    this=seq_get(args, 1),
-231                    expression=exp.Literal.number(-1),
-232                ),
-233                unit=exp.Literal.string("DAY"),
-234            ),
-235            "DATE_FORMAT": lambda args: format_time_lambda(exp.TimeToStr, "hive")(
-236                [
-237                    exp.TimeStrToTime(this=seq_get(args, 0)),
-238                    seq_get(args, 1),
-239                ]
-240            ),
-241            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
-242            "FROM_UNIXTIME": format_time_lambda(exp.UnixToStr, "hive", True),
-243            "GET_JSON_OBJECT": exp.JSONExtractScalar.from_arg_list,
-244            "LOCATE": locate_to_strposition,
-245            "MAP": parse_var_map,
-246            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate.from_arg_list(args)),
-247            "PERCENTILE": exp.Quantile.from_arg_list,
-248            "PERCENTILE_APPROX": exp.ApproxQuantile.from_arg_list,
-249            "COLLECT_SET": exp.SetAgg.from_arg_list,
-250            "SIZE": exp.ArraySize.from_arg_list,
-251            "SPLIT": exp.RegexpSplit.from_arg_list,
-252            "TO_DATE": format_time_lambda(exp.TsOrDsToDate, "hive"),
-253            "TO_JSON": exp.JSONFormat.from_arg_list,
-254            "UNIX_TIMESTAMP": format_time_lambda(exp.StrToUnix, "hive", True),
-255            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate.from_arg_list(args)),
-256        }
-257
-258        PROPERTY_PARSERS = {
-259            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
-260            "WITH SERDEPROPERTIES": lambda self: exp.SerdeProperties(
-261                expressions=self._parse_wrapped_csv(self._parse_property)
-262            ),
-263        }
-264
-265    class Generator(generator.Generator):
-266        LIMIT_FETCH = "LIMIT"
-267        TABLESAMPLE_WITH_METHOD = False
-268        TABLESAMPLE_SIZE_IS_PERCENT = True
-269        JOIN_HINTS = False
-270        TABLE_HINTS = False
-271
-272        TYPE_MAPPING = {
-273            **generator.Generator.TYPE_MAPPING,  # type: ignore
-274            exp.DataType.Type.TEXT: "STRING",
-275            exp.DataType.Type.DATETIME: "TIMESTAMP",
-276            exp.DataType.Type.VARBINARY: "BINARY",
-277            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
-278            exp.DataType.Type.BIT: "BOOLEAN",
-279        }
-280
-281        TRANSFORMS = {
-282            **generator.Generator.TRANSFORMS,  # type: ignore
-283            **transforms.UNALIAS_GROUP,  # type: ignore
-284            **transforms.ELIMINATE_QUALIFY,  # type: ignore
-285            exp.Select: transforms.preprocess(
-286                [transforms.eliminate_qualify, transforms.unnest_to_explode]
-287            ),
-288            exp.Property: _property_sql,
-289            exp.ApproxDistinct: approx_count_distinct_sql,
-290            exp.ArrayConcat: rename_func("CONCAT"),
-291            exp.ArraySize: rename_func("SIZE"),
-292            exp.ArraySort: _array_sort,
-293            exp.With: no_recursive_cte_sql,
-294            exp.DateAdd: _add_date_sql,
-295            exp.DateDiff: _date_diff_sql,
-296            exp.DateStrToDate: rename_func("TO_DATE"),
-297            exp.DateSub: _add_date_sql,
-298            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Hive.dateint_format}) AS INT)",
-299            exp.DiToDate: lambda self, e: f"TO_DATE(CAST({self.sql(e, 'this')} AS STRING), {Hive.dateint_format})",
-300            exp.FileFormatProperty: lambda self, e: f"STORED AS {self.sql(e, 'this') if isinstance(e.this, exp.InputOutputFormat) else e.name.upper()}",
-301            exp.If: if_sql,
-302            exp.Index: _index_sql,
-303            exp.ILike: no_ilike_sql,
-304            exp.JSONExtract: rename_func("GET_JSON_OBJECT"),
-305            exp.JSONExtractScalar: rename_func("GET_JSON_OBJECT"),
-306            exp.JSONFormat: rename_func("TO_JSON"),
-307            exp.Map: var_map_sql,
-308            exp.Max: max_or_greatest,
-309            exp.Min: min_or_least,
-310            exp.VarMap: var_map_sql,
-311            exp.Create: create_with_partitions_sql,
-312            exp.Quantile: rename_func("PERCENTILE"),
-313            exp.ApproxQuantile: rename_func("PERCENTILE_APPROX"),
-314            exp.RegexpLike: lambda self, e: self.binary(e, "RLIKE"),
-315            exp.RegexpSplit: rename_func("SPLIT"),
-316            exp.SafeDivide: no_safe_divide_sql,
-317            exp.SchemaCommentProperty: lambda self, e: self.naked_property(e),
-318            exp.SetAgg: rename_func("COLLECT_SET"),
-319            exp.Split: lambda self, e: f"SPLIT({self.sql(e, 'this')}, CONCAT('\\\\Q', {self.sql(e, 'expression')}))",
-320            exp.StrPosition: strposition_to_locate_sql,
-321            exp.StrToDate: _str_to_date,
-322            exp.StrToTime: _str_to_time,
-323            exp.StrToUnix: _str_to_unix,
-324            exp.StructExtract: struct_extract_sql,
-325            exp.TableFormatProperty: lambda self, e: f"USING {self.sql(e, 'this')}",
-326            exp.TimeStrToDate: rename_func("TO_DATE"),
-327            exp.TimeStrToTime: timestrtotime_sql,
-328            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
-329            exp.TimeToStr: _time_to_str,
-330            exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"),
-331            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS STRING), '-', ''), 1, 8) AS INT)",
-332            exp.TsOrDsAdd: lambda self, e: f"DATE_ADD({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-333            exp.TsOrDsToDate: _to_date_sql,
-334            exp.TryCast: no_trycast_sql,
-335            exp.UnixToStr: lambda self, e: self.func(
-336                "FROM_UNIXTIME", e.this, _time_format(self, e)
-337            ),
-338            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
-339            exp.UnixToTimeStr: rename_func("FROM_UNIXTIME"),
-340            exp.PartitionedByProperty: lambda self, e: f"PARTITIONED BY {self.sql(e, 'this')}",
-341            exp.RowFormatSerdeProperty: lambda self, e: f"ROW FORMAT SERDE {self.sql(e, 'this')}",
-342            exp.SerdeProperties: lambda self, e: self.properties(e, prefix="WITH SERDEPROPERTIES"),
-343            exp.NumberToStr: rename_func("FORMAT_NUMBER"),
-344            exp.LastDateOfMonth: rename_func("LAST_DAY"),
-345            exp.National: lambda self, e: self.sql(e, "this"),
-346        }
-347
-348        PROPERTIES_LOCATION = {
-349            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-350            exp.FileFormatProperty: exp.Properties.Location.POST_SCHEMA,
-351            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
-352            exp.TableFormatProperty: exp.Properties.Location.POST_SCHEMA,
-353            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-354        }
-355
-356        def arrayagg_sql(self, expression: exp.ArrayAgg) -> str:
-357            return self.func(
-358                "COLLECT_LIST",
-359                expression.this.this if isinstance(expression.this, exp.Order) else expression.this,
-360            )
-361
-362        def with_properties(self, properties: exp.Properties) -> str:
-363            return self.properties(
-364                properties,
-365                prefix=self.seg("TBLPROPERTIES"),
-366            )
-367
-368        def datatype_sql(self, expression: exp.DataType) -> str:
-369            if (
-370                expression.this in (exp.DataType.Type.VARCHAR, exp.DataType.Type.NVARCHAR)
-371                and not expression.expressions
-372            ):
-373                expression = exp.DataType.build("text")
-374            elif expression.this in exp.DataType.TEMPORAL_TYPES:
-375                expression = exp.DataType.build(expression.this)
-376
-377            return super().datatype_sql(expression)
+214        NUMERIC_LITERALS = {
+215            "L": "BIGINT",
+216            "S": "SMALLINT",
+217            "Y": "TINYINT",
+218            "D": "DOUBLE",
+219            "F": "FLOAT",
+220            "BD": "DECIMAL",
+221        }
+222
+223    class Parser(parser.Parser):
+224        LOG_DEFAULTS_TO_LN = True
+225        STRICT_CAST = False
+226
+227        FUNCTIONS = {
+228            **parser.Parser.FUNCTIONS,  # type: ignore
+229            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
+230            "COLLECT_LIST": exp.ArrayAgg.from_arg_list,
+231            "DATE_ADD": lambda args: exp.TsOrDsAdd(
+232                this=seq_get(args, 0),
+233                expression=seq_get(args, 1),
+234                unit=exp.Literal.string("DAY"),
+235            ),
+236            "DATEDIFF": lambda args: exp.DateDiff(
+237                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
+238                expression=exp.TsOrDsToDate(this=seq_get(args, 1)),
+239            ),
+240            "DATE_SUB": lambda args: exp.TsOrDsAdd(
+241                this=seq_get(args, 0),
+242                expression=exp.Mul(
+243                    this=seq_get(args, 1),
+244                    expression=exp.Literal.number(-1),
+245                ),
+246                unit=exp.Literal.string("DAY"),
+247            ),
+248            "DATE_FORMAT": lambda args: format_time_lambda(exp.TimeToStr, "hive")(
+249                [
+250                    exp.TimeStrToTime(this=seq_get(args, 0)),
+251                    seq_get(args, 1),
+252                ]
+253            ),
+254            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
+255            "FROM_UNIXTIME": format_time_lambda(exp.UnixToStr, "hive", True),
+256            "GET_JSON_OBJECT": exp.JSONExtractScalar.from_arg_list,
+257            "LOCATE": locate_to_strposition,
+258            "MAP": parse_var_map,
+259            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate.from_arg_list(args)),
+260            "PERCENTILE": exp.Quantile.from_arg_list,
+261            "PERCENTILE_APPROX": exp.ApproxQuantile.from_arg_list,
+262            "COLLECT_SET": exp.SetAgg.from_arg_list,
+263            "SIZE": exp.ArraySize.from_arg_list,
+264            "SPLIT": exp.RegexpSplit.from_arg_list,
+265            "TO_DATE": format_time_lambda(exp.TsOrDsToDate, "hive"),
+266            "TO_JSON": exp.JSONFormat.from_arg_list,
+267            "UNIX_TIMESTAMP": format_time_lambda(exp.StrToUnix, "hive", True),
+268            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate.from_arg_list(args)),
+269        }
+270
+271        PROPERTY_PARSERS = {
+272            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
+273            "WITH SERDEPROPERTIES": lambda self: exp.SerdeProperties(
+274                expressions=self._parse_wrapped_csv(self._parse_property)
+275            ),
+276        }
+277
+278    class Generator(generator.Generator):
+279        LIMIT_FETCH = "LIMIT"
+280        TABLESAMPLE_WITH_METHOD = False
+281        TABLESAMPLE_SIZE_IS_PERCENT = True
+282        JOIN_HINTS = False
+283        TABLE_HINTS = False
+284
+285        TYPE_MAPPING = {
+286            **generator.Generator.TYPE_MAPPING,  # type: ignore
+287            exp.DataType.Type.TEXT: "STRING",
+288            exp.DataType.Type.DATETIME: "TIMESTAMP",
+289            exp.DataType.Type.VARBINARY: "BINARY",
+290            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
+291            exp.DataType.Type.BIT: "BOOLEAN",
+292        }
+293
+294        TRANSFORMS = {
+295            **generator.Generator.TRANSFORMS,  # type: ignore
+296            exp.Group: transforms.preprocess([transforms.unalias_group]),
+297            exp.Select: transforms.preprocess(
+298                [
+299                    transforms.eliminate_qualify,
+300                    transforms.eliminate_distinct_on,
+301                    transforms.unnest_to_explode,
+302                ]
+303            ),
+304            exp.Property: _property_sql,
+305            exp.ApproxDistinct: approx_count_distinct_sql,
+306            exp.ArrayConcat: rename_func("CONCAT"),
+307            exp.ArraySize: rename_func("SIZE"),
+308            exp.ArraySort: _array_sort_sql,
+309            exp.With: no_recursive_cte_sql,
+310            exp.DateAdd: _add_date_sql,
+311            exp.DateDiff: _date_diff_sql,
+312            exp.DateStrToDate: rename_func("TO_DATE"),
+313            exp.DateSub: _add_date_sql,
+314            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Hive.dateint_format}) AS INT)",
+315            exp.DiToDate: lambda self, e: f"TO_DATE(CAST({self.sql(e, 'this')} AS STRING), {Hive.dateint_format})",
+316            exp.FileFormatProperty: lambda self, e: f"STORED AS {self.sql(e, 'this') if isinstance(e.this, exp.InputOutputFormat) else e.name.upper()}",
+317            exp.If: if_sql,
+318            exp.Index: _index_sql,
+319            exp.ILike: no_ilike_sql,
+320            exp.JSONExtract: rename_func("GET_JSON_OBJECT"),
+321            exp.JSONExtractScalar: rename_func("GET_JSON_OBJECT"),
+322            exp.JSONFormat: _json_format_sql,
+323            exp.Map: var_map_sql,
+324            exp.Max: max_or_greatest,
+325            exp.Min: min_or_least,
+326            exp.VarMap: var_map_sql,
+327            exp.Create: create_with_partitions_sql,
+328            exp.Quantile: rename_func("PERCENTILE"),
+329            exp.ApproxQuantile: rename_func("PERCENTILE_APPROX"),
+330            exp.RegexpLike: lambda self, e: self.binary(e, "RLIKE"),
+331            exp.RegexpSplit: rename_func("SPLIT"),
+332            exp.SafeDivide: no_safe_divide_sql,
+333            exp.SchemaCommentProperty: lambda self, e: self.naked_property(e),
+334            exp.SetAgg: rename_func("COLLECT_SET"),
+335            exp.Split: lambda self, e: f"SPLIT({self.sql(e, 'this')}, CONCAT('\\\\Q', {self.sql(e, 'expression')}))",
+336            exp.StrPosition: strposition_to_locate_sql,
+337            exp.StrToDate: _str_to_date_sql,
+338            exp.StrToTime: _str_to_time_sql,
+339            exp.StrToUnix: _str_to_unix_sql,
+340            exp.StructExtract: struct_extract_sql,
+341            exp.TableFormatProperty: lambda self, e: f"USING {self.sql(e, 'this')}",
+342            exp.TimeStrToDate: rename_func("TO_DATE"),
+343            exp.TimeStrToTime: timestrtotime_sql,
+344            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
+345            exp.TimeToStr: _time_to_str,
+346            exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"),
+347            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS STRING), '-', ''), 1, 8) AS INT)",
+348            exp.TsOrDsAdd: lambda self, e: f"DATE_ADD({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+349            exp.TsOrDsToDate: _to_date_sql,
+350            exp.TryCast: no_trycast_sql,
+351            exp.UnixToStr: lambda self, e: self.func(
+352                "FROM_UNIXTIME", e.this, _time_format(self, e)
+353            ),
+354            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
+355            exp.UnixToTimeStr: rename_func("FROM_UNIXTIME"),
+356            exp.PartitionedByProperty: lambda self, e: f"PARTITIONED BY {self.sql(e, 'this')}",
+357            exp.RowFormatSerdeProperty: lambda self, e: f"ROW FORMAT SERDE {self.sql(e, 'this')}",
+358            exp.SerdeProperties: lambda self, e: self.properties(e, prefix="WITH SERDEPROPERTIES"),
+359            exp.NumberToStr: rename_func("FORMAT_NUMBER"),
+360            exp.LastDateOfMonth: rename_func("LAST_DAY"),
+361            exp.National: lambda self, e: self.sql(e, "this"),
+362        }
+363
+364        PROPERTIES_LOCATION = {
+365            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+366            exp.FileFormatProperty: exp.Properties.Location.POST_SCHEMA,
+367            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
+368            exp.TableFormatProperty: exp.Properties.Location.POST_SCHEMA,
+369            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+370        }
+371
+372        def arrayagg_sql(self, expression: exp.ArrayAgg) -> str:
+373            return self.func(
+374                "COLLECT_LIST",
+375                expression.this.this if isinstance(expression.this, exp.Order) else expression.this,
+376            )
+377
+378        def with_properties(self, properties: exp.Properties) -> str:
+379            return self.properties(
+380                properties,
+381                prefix=self.seg("TBLPROPERTIES"),
+382            )
+383
+384        def datatype_sql(self, expression: exp.DataType) -> str:
+385            if (
+386                expression.this in (exp.DataType.Type.VARCHAR, exp.DataType.Type.NVARCHAR)
+387                and not expression.expressions
+388            ):
+389                expression = exp.DataType.build("text")
+390            elif expression.this in exp.DataType.TEMPORAL_TYPES:
+391                expression = exp.DataType.build(expression.this)
+392
+393            return super().datatype_sql(expression)
 
    
 
 
@@ -478,240 +494,243 @@
    - 
    145class Hive(Dialect):
-146    alias_post_tablesample = True
-147
-148    time_mapping = {
-149        "y": "%Y",
-150        "Y": "%Y",
-151        "YYYY": "%Y",
-152        "yyyy": "%Y",
-153        "YY": "%y",
-154        "yy": "%y",
-155        "MMMM": "%B",
-156        "MMM": "%b",
-157        "MM": "%m",
-158        "M": "%-m",
-159        "dd": "%d",
-160        "d": "%-d",
-161        "HH": "%H",
-162        "H": "%-H",
-163        "hh": "%I",
-164        "h": "%-I",
-165        "mm": "%M",
-166        "m": "%-M",
-167        "ss": "%S",
-168        "s": "%-S",
-169        "SSSSSS": "%f",
-170        "a": "%p",
-171        "DD": "%j",
-172        "D": "%-j",
-173        "E": "%a",
-174        "EE": "%a",
-175        "EEE": "%a",
-176        "EEEE": "%A",
-177    }
-178
-179    date_format = "'yyyy-MM-dd'"
-180    dateint_format = "'yyyyMMdd'"
-181    time_format = "'yyyy-MM-dd HH:mm:ss'"
-182
-183    class Tokenizer(tokens.Tokenizer):
-184        QUOTES = ["'", '"']
-185        IDENTIFIERS = ["`"]
-186        STRING_ESCAPES = ["\\"]
-187        ENCODE = "utf-8"
-188        IDENTIFIER_CAN_START_WITH_DIGIT = True
-189
-190        KEYWORDS = {
-191            **tokens.Tokenizer.KEYWORDS,
-192            "ADD ARCHIVE": TokenType.COMMAND,
-193            "ADD ARCHIVES": TokenType.COMMAND,
-194            "ADD FILE": TokenType.COMMAND,
-195            "ADD FILES": TokenType.COMMAND,
-196            "ADD JAR": TokenType.COMMAND,
-197            "ADD JARS": TokenType.COMMAND,
-198            "MSCK REPAIR": TokenType.COMMAND,
-199            "WITH SERDEPROPERTIES": TokenType.SERDE_PROPERTIES,
-200        }
-201
-202        NUMERIC_LITERALS = {
-203            "L": "BIGINT",
-204            "S": "SMALLINT",
-205            "Y": "TINYINT",
-206            "D": "DOUBLE",
-207            "F": "FLOAT",
-208            "BD": "DECIMAL",
-209        }
-210
-211    class Parser(parser.Parser):
-212        LOG_DEFAULTS_TO_LN = True
-213        STRICT_CAST = False
+            
    158class Hive(Dialect):
+159    alias_post_tablesample = True
+160
+161    time_mapping = {
+162        "y": "%Y",
+163        "Y": "%Y",
+164        "YYYY": "%Y",
+165        "yyyy": "%Y",
+166        "YY": "%y",
+167        "yy": "%y",
+168        "MMMM": "%B",
+169        "MMM": "%b",
+170        "MM": "%m",
+171        "M": "%-m",
+172        "dd": "%d",
+173        "d": "%-d",
+174        "HH": "%H",
+175        "H": "%-H",
+176        "hh": "%I",
+177        "h": "%-I",
+178        "mm": "%M",
+179        "m": "%-M",
+180        "ss": "%S",
+181        "s": "%-S",
+182        "SSSSSS": "%f",
+183        "a": "%p",
+184        "DD": "%j",
+185        "D": "%-j",
+186        "E": "%a",
+187        "EE": "%a",
+188        "EEE": "%a",
+189        "EEEE": "%A",
+190    }
+191
+192    date_format = "'yyyy-MM-dd'"
+193    dateint_format = "'yyyyMMdd'"
+194    time_format = "'yyyy-MM-dd HH:mm:ss'"
+195
+196    class Tokenizer(tokens.Tokenizer):
+197        QUOTES = ["'", '"']
+198        IDENTIFIERS = ["`"]
+199        STRING_ESCAPES = ["\\"]
+200        ENCODE = "utf-8"
+201        IDENTIFIER_CAN_START_WITH_DIGIT = True
+202
+203        KEYWORDS = {
+204            **tokens.Tokenizer.KEYWORDS,
+205            "ADD ARCHIVE": TokenType.COMMAND,
+206            "ADD ARCHIVES": TokenType.COMMAND,
+207            "ADD FILE": TokenType.COMMAND,
+208            "ADD FILES": TokenType.COMMAND,
+209            "ADD JAR": TokenType.COMMAND,
+210            "ADD JARS": TokenType.COMMAND,
+211            "MSCK REPAIR": TokenType.COMMAND,
+212            "WITH SERDEPROPERTIES": TokenType.SERDE_PROPERTIES,
+213        }
 214
-215        FUNCTIONS = {
-216            **parser.Parser.FUNCTIONS,  # type: ignore
-217            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
-218            "COLLECT_LIST": exp.ArrayAgg.from_arg_list,
-219            "DATE_ADD": lambda args: exp.TsOrDsAdd(
-220                this=seq_get(args, 0),
-221                expression=seq_get(args, 1),
-222                unit=exp.Literal.string("DAY"),
-223            ),
-224            "DATEDIFF": lambda args: exp.DateDiff(
-225                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
-226                expression=exp.TsOrDsToDate(this=seq_get(args, 1)),
-227            ),
-228            "DATE_SUB": lambda args: exp.TsOrDsAdd(
-229                this=seq_get(args, 0),
-230                expression=exp.Mul(
-231                    this=seq_get(args, 1),
-232                    expression=exp.Literal.number(-1),
-233                ),
-234                unit=exp.Literal.string("DAY"),
-235            ),
-236            "DATE_FORMAT": lambda args: format_time_lambda(exp.TimeToStr, "hive")(
-237                [
-238                    exp.TimeStrToTime(this=seq_get(args, 0)),
-239                    seq_get(args, 1),
-240                ]
-241            ),
-242            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
-243            "FROM_UNIXTIME": format_time_lambda(exp.UnixToStr, "hive", True),
-244            "GET_JSON_OBJECT": exp.JSONExtractScalar.from_arg_list,
-245            "LOCATE": locate_to_strposition,
-246            "MAP": parse_var_map,
-247            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate.from_arg_list(args)),
-248            "PERCENTILE": exp.Quantile.from_arg_list,
-249            "PERCENTILE_APPROX": exp.ApproxQuantile.from_arg_list,
-250            "COLLECT_SET": exp.SetAgg.from_arg_list,
-251            "SIZE": exp.ArraySize.from_arg_list,
-252            "SPLIT": exp.RegexpSplit.from_arg_list,
-253            "TO_DATE": format_time_lambda(exp.TsOrDsToDate, "hive"),
-254            "TO_JSON": exp.JSONFormat.from_arg_list,
-255            "UNIX_TIMESTAMP": format_time_lambda(exp.StrToUnix, "hive", True),
-256            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate.from_arg_list(args)),
-257        }
-258
-259        PROPERTY_PARSERS = {
-260            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
-261            "WITH SERDEPROPERTIES": lambda self: exp.SerdeProperties(
-262                expressions=self._parse_wrapped_csv(self._parse_property)
-263            ),
-264        }
-265
-266    class Generator(generator.Generator):
-267        LIMIT_FETCH = "LIMIT"
-268        TABLESAMPLE_WITH_METHOD = False
-269        TABLESAMPLE_SIZE_IS_PERCENT = True
-270        JOIN_HINTS = False
-271        TABLE_HINTS = False
-272
-273        TYPE_MAPPING = {
-274            **generator.Generator.TYPE_MAPPING,  # type: ignore
-275            exp.DataType.Type.TEXT: "STRING",
-276            exp.DataType.Type.DATETIME: "TIMESTAMP",
-277            exp.DataType.Type.VARBINARY: "BINARY",
-278            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
-279            exp.DataType.Type.BIT: "BOOLEAN",
-280        }
-281
-282        TRANSFORMS = {
-283            **generator.Generator.TRANSFORMS,  # type: ignore
-284            **transforms.UNALIAS_GROUP,  # type: ignore
-285            **transforms.ELIMINATE_QUALIFY,  # type: ignore
-286            exp.Select: transforms.preprocess(
-287                [transforms.eliminate_qualify, transforms.unnest_to_explode]
-288            ),
-289            exp.Property: _property_sql,
-290            exp.ApproxDistinct: approx_count_distinct_sql,
-291            exp.ArrayConcat: rename_func("CONCAT"),
-292            exp.ArraySize: rename_func("SIZE"),
-293            exp.ArraySort: _array_sort,
-294            exp.With: no_recursive_cte_sql,
-295            exp.DateAdd: _add_date_sql,
-296            exp.DateDiff: _date_diff_sql,
-297            exp.DateStrToDate: rename_func("TO_DATE"),
-298            exp.DateSub: _add_date_sql,
-299            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Hive.dateint_format}) AS INT)",
-300            exp.DiToDate: lambda self, e: f"TO_DATE(CAST({self.sql(e, 'this')} AS STRING), {Hive.dateint_format})",
-301            exp.FileFormatProperty: lambda self, e: f"STORED AS {self.sql(e, 'this') if isinstance(e.this, exp.InputOutputFormat) else e.name.upper()}",
-302            exp.If: if_sql,
-303            exp.Index: _index_sql,
-304            exp.ILike: no_ilike_sql,
-305            exp.JSONExtract: rename_func("GET_JSON_OBJECT"),
-306            exp.JSONExtractScalar: rename_func("GET_JSON_OBJECT"),
-307            exp.JSONFormat: rename_func("TO_JSON"),
-308            exp.Map: var_map_sql,
-309            exp.Max: max_or_greatest,
-310            exp.Min: min_or_least,
-311            exp.VarMap: var_map_sql,
-312            exp.Create: create_with_partitions_sql,
-313            exp.Quantile: rename_func("PERCENTILE"),
-314            exp.ApproxQuantile: rename_func("PERCENTILE_APPROX"),
-315            exp.RegexpLike: lambda self, e: self.binary(e, "RLIKE"),
-316            exp.RegexpSplit: rename_func("SPLIT"),
-317            exp.SafeDivide: no_safe_divide_sql,
-318            exp.SchemaCommentProperty: lambda self, e: self.naked_property(e),
-319            exp.SetAgg: rename_func("COLLECT_SET"),
-320            exp.Split: lambda self, e: f"SPLIT({self.sql(e, 'this')}, CONCAT('\\\\Q', {self.sql(e, 'expression')}))",
-321            exp.StrPosition: strposition_to_locate_sql,
-322            exp.StrToDate: _str_to_date,
-323            exp.StrToTime: _str_to_time,
-324            exp.StrToUnix: _str_to_unix,
-325            exp.StructExtract: struct_extract_sql,
-326            exp.TableFormatProperty: lambda self, e: f"USING {self.sql(e, 'this')}",
-327            exp.TimeStrToDate: rename_func("TO_DATE"),
-328            exp.TimeStrToTime: timestrtotime_sql,
-329            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
-330            exp.TimeToStr: _time_to_str,
-331            exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"),
-332            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS STRING), '-', ''), 1, 8) AS INT)",
-333            exp.TsOrDsAdd: lambda self, e: f"DATE_ADD({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-334            exp.TsOrDsToDate: _to_date_sql,
-335            exp.TryCast: no_trycast_sql,
-336            exp.UnixToStr: lambda self, e: self.func(
-337                "FROM_UNIXTIME", e.this, _time_format(self, e)
-338            ),
-339            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
-340            exp.UnixToTimeStr: rename_func("FROM_UNIXTIME"),
-341            exp.PartitionedByProperty: lambda self, e: f"PARTITIONED BY {self.sql(e, 'this')}",
-342            exp.RowFormatSerdeProperty: lambda self, e: f"ROW FORMAT SERDE {self.sql(e, 'this')}",
-343            exp.SerdeProperties: lambda self, e: self.properties(e, prefix="WITH SERDEPROPERTIES"),
-344            exp.NumberToStr: rename_func("FORMAT_NUMBER"),
-345            exp.LastDateOfMonth: rename_func("LAST_DAY"),
-346            exp.National: lambda self, e: self.sql(e, "this"),
-347        }
-348
-349        PROPERTIES_LOCATION = {
-350            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-351            exp.FileFormatProperty: exp.Properties.Location.POST_SCHEMA,
-352            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
-353            exp.TableFormatProperty: exp.Properties.Location.POST_SCHEMA,
-354            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-355        }
-356
-357        def arrayagg_sql(self, expression: exp.ArrayAgg) -> str:
-358            return self.func(
-359                "COLLECT_LIST",
-360                expression.this.this if isinstance(expression.this, exp.Order) else expression.this,
-361            )
-362
-363        def with_properties(self, properties: exp.Properties) -> str:
-364            return self.properties(
-365                properties,
-366                prefix=self.seg("TBLPROPERTIES"),
-367            )
-368
-369        def datatype_sql(self, expression: exp.DataType) -> str:
-370            if (
-371                expression.this in (exp.DataType.Type.VARCHAR, exp.DataType.Type.NVARCHAR)
-372                and not expression.expressions
-373            ):
-374                expression = exp.DataType.build("text")
-375            elif expression.this in exp.DataType.TEMPORAL_TYPES:
-376                expression = exp.DataType.build(expression.this)
-377
-378            return super().datatype_sql(expression)
+215        NUMERIC_LITERALS = {
+216            "L": "BIGINT",
+217            "S": "SMALLINT",
+218            "Y": "TINYINT",
+219            "D": "DOUBLE",
+220            "F": "FLOAT",
+221            "BD": "DECIMAL",
+222        }
+223
+224    class Parser(parser.Parser):
+225        LOG_DEFAULTS_TO_LN = True
+226        STRICT_CAST = False
+227
+228        FUNCTIONS = {
+229            **parser.Parser.FUNCTIONS,  # type: ignore
+230            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
+231            "COLLECT_LIST": exp.ArrayAgg.from_arg_list,
+232            "DATE_ADD": lambda args: exp.TsOrDsAdd(
+233                this=seq_get(args, 0),
+234                expression=seq_get(args, 1),
+235                unit=exp.Literal.string("DAY"),
+236            ),
+237            "DATEDIFF": lambda args: exp.DateDiff(
+238                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
+239                expression=exp.TsOrDsToDate(this=seq_get(args, 1)),
+240            ),
+241            "DATE_SUB": lambda args: exp.TsOrDsAdd(
+242                this=seq_get(args, 0),
+243                expression=exp.Mul(
+244                    this=seq_get(args, 1),
+245                    expression=exp.Literal.number(-1),
+246                ),
+247                unit=exp.Literal.string("DAY"),
+248            ),
+249            "DATE_FORMAT": lambda args: format_time_lambda(exp.TimeToStr, "hive")(
+250                [
+251                    exp.TimeStrToTime(this=seq_get(args, 0)),
+252                    seq_get(args, 1),
+253                ]
+254            ),
+255            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
+256            "FROM_UNIXTIME": format_time_lambda(exp.UnixToStr, "hive", True),
+257            "GET_JSON_OBJECT": exp.JSONExtractScalar.from_arg_list,
+258            "LOCATE": locate_to_strposition,
+259            "MAP": parse_var_map,
+260            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate.from_arg_list(args)),
+261            "PERCENTILE": exp.Quantile.from_arg_list,
+262            "PERCENTILE_APPROX": exp.ApproxQuantile.from_arg_list,
+263            "COLLECT_SET": exp.SetAgg.from_arg_list,
+264            "SIZE": exp.ArraySize.from_arg_list,
+265            "SPLIT": exp.RegexpSplit.from_arg_list,
+266            "TO_DATE": format_time_lambda(exp.TsOrDsToDate, "hive"),
+267            "TO_JSON": exp.JSONFormat.from_arg_list,
+268            "UNIX_TIMESTAMP": format_time_lambda(exp.StrToUnix, "hive", True),
+269            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate.from_arg_list(args)),
+270        }
+271
+272        PROPERTY_PARSERS = {
+273            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
+274            "WITH SERDEPROPERTIES": lambda self: exp.SerdeProperties(
+275                expressions=self._parse_wrapped_csv(self._parse_property)
+276            ),
+277        }
+278
+279    class Generator(generator.Generator):
+280        LIMIT_FETCH = "LIMIT"
+281        TABLESAMPLE_WITH_METHOD = False
+282        TABLESAMPLE_SIZE_IS_PERCENT = True
+283        JOIN_HINTS = False
+284        TABLE_HINTS = False
+285
+286        TYPE_MAPPING = {
+287            **generator.Generator.TYPE_MAPPING,  # type: ignore
+288            exp.DataType.Type.TEXT: "STRING",
+289            exp.DataType.Type.DATETIME: "TIMESTAMP",
+290            exp.DataType.Type.VARBINARY: "BINARY",
+291            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
+292            exp.DataType.Type.BIT: "BOOLEAN",
+293        }
+294
+295        TRANSFORMS = {
+296            **generator.Generator.TRANSFORMS,  # type: ignore
+297            exp.Group: transforms.preprocess([transforms.unalias_group]),
+298            exp.Select: transforms.preprocess(
+299                [
+300                    transforms.eliminate_qualify,
+301                    transforms.eliminate_distinct_on,
+302                    transforms.unnest_to_explode,
+303                ]
+304            ),
+305            exp.Property: _property_sql,
+306            exp.ApproxDistinct: approx_count_distinct_sql,
+307            exp.ArrayConcat: rename_func("CONCAT"),
+308            exp.ArraySize: rename_func("SIZE"),
+309            exp.ArraySort: _array_sort_sql,
+310            exp.With: no_recursive_cte_sql,
+311            exp.DateAdd: _add_date_sql,
+312            exp.DateDiff: _date_diff_sql,
+313            exp.DateStrToDate: rename_func("TO_DATE"),
+314            exp.DateSub: _add_date_sql,
+315            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Hive.dateint_format}) AS INT)",
+316            exp.DiToDate: lambda self, e: f"TO_DATE(CAST({self.sql(e, 'this')} AS STRING), {Hive.dateint_format})",
+317            exp.FileFormatProperty: lambda self, e: f"STORED AS {self.sql(e, 'this') if isinstance(e.this, exp.InputOutputFormat) else e.name.upper()}",
+318            exp.If: if_sql,
+319            exp.Index: _index_sql,
+320            exp.ILike: no_ilike_sql,
+321            exp.JSONExtract: rename_func("GET_JSON_OBJECT"),
+322            exp.JSONExtractScalar: rename_func("GET_JSON_OBJECT"),
+323            exp.JSONFormat: _json_format_sql,
+324            exp.Map: var_map_sql,
+325            exp.Max: max_or_greatest,
+326            exp.Min: min_or_least,
+327            exp.VarMap: var_map_sql,
+328            exp.Create: create_with_partitions_sql,
+329            exp.Quantile: rename_func("PERCENTILE"),
+330            exp.ApproxQuantile: rename_func("PERCENTILE_APPROX"),
+331            exp.RegexpLike: lambda self, e: self.binary(e, "RLIKE"),
+332            exp.RegexpSplit: rename_func("SPLIT"),
+333            exp.SafeDivide: no_safe_divide_sql,
+334            exp.SchemaCommentProperty: lambda self, e: self.naked_property(e),
+335            exp.SetAgg: rename_func("COLLECT_SET"),
+336            exp.Split: lambda self, e: f"SPLIT({self.sql(e, 'this')}, CONCAT('\\\\Q', {self.sql(e, 'expression')}))",
+337            exp.StrPosition: strposition_to_locate_sql,
+338            exp.StrToDate: _str_to_date_sql,
+339            exp.StrToTime: _str_to_time_sql,
+340            exp.StrToUnix: _str_to_unix_sql,
+341            exp.StructExtract: struct_extract_sql,
+342            exp.TableFormatProperty: lambda self, e: f"USING {self.sql(e, 'this')}",
+343            exp.TimeStrToDate: rename_func("TO_DATE"),
+344            exp.TimeStrToTime: timestrtotime_sql,
+345            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
+346            exp.TimeToStr: _time_to_str,
+347            exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"),
+348            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS STRING), '-', ''), 1, 8) AS INT)",
+349            exp.TsOrDsAdd: lambda self, e: f"DATE_ADD({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+350            exp.TsOrDsToDate: _to_date_sql,
+351            exp.TryCast: no_trycast_sql,
+352            exp.UnixToStr: lambda self, e: self.func(
+353                "FROM_UNIXTIME", e.this, _time_format(self, e)
+354            ),
+355            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
+356            exp.UnixToTimeStr: rename_func("FROM_UNIXTIME"),
+357            exp.PartitionedByProperty: lambda self, e: f"PARTITIONED BY {self.sql(e, 'this')}",
+358            exp.RowFormatSerdeProperty: lambda self, e: f"ROW FORMAT SERDE {self.sql(e, 'this')}",
+359            exp.SerdeProperties: lambda self, e: self.properties(e, prefix="WITH SERDEPROPERTIES"),
+360            exp.NumberToStr: rename_func("FORMAT_NUMBER"),
+361            exp.LastDateOfMonth: rename_func("LAST_DAY"),
+362            exp.National: lambda self, e: self.sql(e, "this"),
+363        }
+364
+365        PROPERTIES_LOCATION = {
+366            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+367            exp.FileFormatProperty: exp.Properties.Location.POST_SCHEMA,
+368            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
+369            exp.TableFormatProperty: exp.Properties.Location.POST_SCHEMA,
+370            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+371        }
+372
+373        def arrayagg_sql(self, expression: exp.ArrayAgg) -> str:
+374            return self.func(
+375                "COLLECT_LIST",
+376                expression.this.this if isinstance(expression.this, exp.Order) else expression.this,
+377            )
+378
+379        def with_properties(self, properties: exp.Properties) -> str:
+380            return self.properties(
+381                properties,
+382                prefix=self.seg("TBLPROPERTIES"),
+383            )
+384
+385        def datatype_sql(self, expression: exp.DataType) -> str:
+386            if (
+387                expression.this in (exp.DataType.Type.VARCHAR, exp.DataType.Type.NVARCHAR)
+388                and not expression.expressions
+389            ):
+390                expression = exp.DataType.build("text")
+391            elif expression.this in exp.DataType.TEMPORAL_TYPES:
+392                expression = exp.DataType.build(expression.this)
+393
+394            return super().datatype_sql(expression)
 
    
 
 
@@ -746,33 +765,33 @@
    - 
    183    class Tokenizer(tokens.Tokenizer):
-184        QUOTES = ["'", '"']
-185        IDENTIFIERS = ["`"]
-186        STRING_ESCAPES = ["\\"]
-187        ENCODE = "utf-8"
-188        IDENTIFIER_CAN_START_WITH_DIGIT = True
-189
-190        KEYWORDS = {
-191            **tokens.Tokenizer.KEYWORDS,
-192            "ADD ARCHIVE": TokenType.COMMAND,
-193            "ADD ARCHIVES": TokenType.COMMAND,
-194            "ADD FILE": TokenType.COMMAND,
-195            "ADD FILES": TokenType.COMMAND,
-196            "ADD JAR": TokenType.COMMAND,
-197            "ADD JARS": TokenType.COMMAND,
-198            "MSCK REPAIR": TokenType.COMMAND,
-199            "WITH SERDEPROPERTIES": TokenType.SERDE_PROPERTIES,
-200        }
-201
-202        NUMERIC_LITERALS = {
-203            "L": "BIGINT",
-204            "S": "SMALLINT",
-205            "Y": "TINYINT",
-206            "D": "DOUBLE",
-207            "F": "FLOAT",
-208            "BD": "DECIMAL",
-209        }
+            
    196    class Tokenizer(tokens.Tokenizer):
+197        QUOTES = ["'", '"']
+198        IDENTIFIERS = ["`"]
+199        STRING_ESCAPES = ["\\"]
+200        ENCODE = "utf-8"
+201        IDENTIFIER_CAN_START_WITH_DIGIT = True
+202
+203        KEYWORDS = {
+204            **tokens.Tokenizer.KEYWORDS,
+205            "ADD ARCHIVE": TokenType.COMMAND,
+206            "ADD ARCHIVES": TokenType.COMMAND,
+207            "ADD FILE": TokenType.COMMAND,
+208            "ADD FILES": TokenType.COMMAND,
+209            "ADD JAR": TokenType.COMMAND,
+210            "ADD JARS": TokenType.COMMAND,
+211            "MSCK REPAIR": TokenType.COMMAND,
+212            "WITH SERDEPROPERTIES": TokenType.SERDE_PROPERTIES,
+213        }
+214
+215        NUMERIC_LITERALS = {
+216            "L": "BIGINT",
+217            "S": "SMALLINT",
+218            "Y": "TINYINT",
+219            "D": "DOUBLE",
+220            "F": "FLOAT",
+221            "BD": "DECIMAL",
+222        }
 
    
 
 
@@ -800,60 +819,60 @@
    - 
    211    class Parser(parser.Parser):
-212        LOG_DEFAULTS_TO_LN = True
-213        STRICT_CAST = False
-214
-215        FUNCTIONS = {
-216            **parser.Parser.FUNCTIONS,  # type: ignore
-217            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
-218            "COLLECT_LIST": exp.ArrayAgg.from_arg_list,
-219            "DATE_ADD": lambda args: exp.TsOrDsAdd(
-220                this=seq_get(args, 0),
-221                expression=seq_get(args, 1),
-222                unit=exp.Literal.string("DAY"),
-223            ),
-224            "DATEDIFF": lambda args: exp.DateDiff(
-225                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
-226                expression=exp.TsOrDsToDate(this=seq_get(args, 1)),
-227            ),
-228            "DATE_SUB": lambda args: exp.TsOrDsAdd(
-229                this=seq_get(args, 0),
-230                expression=exp.Mul(
-231                    this=seq_get(args, 1),
-232                    expression=exp.Literal.number(-1),
-233                ),
-234                unit=exp.Literal.string("DAY"),
-235            ),
-236            "DATE_FORMAT": lambda args: format_time_lambda(exp.TimeToStr, "hive")(
-237                [
-238                    exp.TimeStrToTime(this=seq_get(args, 0)),
-239                    seq_get(args, 1),
-240                ]
-241            ),
-242            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
-243            "FROM_UNIXTIME": format_time_lambda(exp.UnixToStr, "hive", True),
-244            "GET_JSON_OBJECT": exp.JSONExtractScalar.from_arg_list,
-245            "LOCATE": locate_to_strposition,
-246            "MAP": parse_var_map,
-247            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate.from_arg_list(args)),
-248            "PERCENTILE": exp.Quantile.from_arg_list,
-249            "PERCENTILE_APPROX": exp.ApproxQuantile.from_arg_list,
-250            "COLLECT_SET": exp.SetAgg.from_arg_list,
-251            "SIZE": exp.ArraySize.from_arg_list,
-252            "SPLIT": exp.RegexpSplit.from_arg_list,
-253            "TO_DATE": format_time_lambda(exp.TsOrDsToDate, "hive"),
-254            "TO_JSON": exp.JSONFormat.from_arg_list,
-255            "UNIX_TIMESTAMP": format_time_lambda(exp.StrToUnix, "hive", True),
-256            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate.from_arg_list(args)),
-257        }
-258
-259        PROPERTY_PARSERS = {
-260            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
-261            "WITH SERDEPROPERTIES": lambda self: exp.SerdeProperties(
-262                expressions=self._parse_wrapped_csv(self._parse_property)
-263            ),
-264        }
+            
    224    class Parser(parser.Parser):
+225        LOG_DEFAULTS_TO_LN = True
+226        STRICT_CAST = False
+227
+228        FUNCTIONS = {
+229            **parser.Parser.FUNCTIONS,  # type: ignore
+230            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
+231            "COLLECT_LIST": exp.ArrayAgg.from_arg_list,
+232            "DATE_ADD": lambda args: exp.TsOrDsAdd(
+233                this=seq_get(args, 0),
+234                expression=seq_get(args, 1),
+235                unit=exp.Literal.string("DAY"),
+236            ),
+237            "DATEDIFF": lambda args: exp.DateDiff(
+238                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
+239                expression=exp.TsOrDsToDate(this=seq_get(args, 1)),
+240            ),
+241            "DATE_SUB": lambda args: exp.TsOrDsAdd(
+242                this=seq_get(args, 0),
+243                expression=exp.Mul(
+244                    this=seq_get(args, 1),
+245                    expression=exp.Literal.number(-1),
+246                ),
+247                unit=exp.Literal.string("DAY"),
+248            ),
+249            "DATE_FORMAT": lambda args: format_time_lambda(exp.TimeToStr, "hive")(
+250                [
+251                    exp.TimeStrToTime(this=seq_get(args, 0)),
+252                    seq_get(args, 1),
+253                ]
+254            ),
+255            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
+256            "FROM_UNIXTIME": format_time_lambda(exp.UnixToStr, "hive", True),
+257            "GET_JSON_OBJECT": exp.JSONExtractScalar.from_arg_list,
+258            "LOCATE": locate_to_strposition,
+259            "MAP": parse_var_map,
+260            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate.from_arg_list(args)),
+261            "PERCENTILE": exp.Quantile.from_arg_list,
+262            "PERCENTILE_APPROX": exp.ApproxQuantile.from_arg_list,
+263            "COLLECT_SET": exp.SetAgg.from_arg_list,
+264            "SIZE": exp.ArraySize.from_arg_list,
+265            "SPLIT": exp.RegexpSplit.from_arg_list,
+266            "TO_DATE": format_time_lambda(exp.TsOrDsToDate, "hive"),
+267            "TO_JSON": exp.JSONFormat.from_arg_list,
+268            "UNIX_TIMESTAMP": format_time_lambda(exp.StrToUnix, "hive", True),
+269            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate.from_arg_list(args)),
+270        }
+271
+272        PROPERTY_PARSERS = {
+273            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
+274            "WITH SERDEPROPERTIES": lambda self: exp.SerdeProperties(
+275                expressions=self._parse_wrapped_csv(self._parse_property)
+276            ),
+277        }
 
    
 
 
@@ -910,119 +929,122 @@ Default: "nulls_are_small"
    - 
    266    class Generator(generator.Generator):
-267        LIMIT_FETCH = "LIMIT"
-268        TABLESAMPLE_WITH_METHOD = False
-269        TABLESAMPLE_SIZE_IS_PERCENT = True
-270        JOIN_HINTS = False
-271        TABLE_HINTS = False
-272
-273        TYPE_MAPPING = {
-274            **generator.Generator.TYPE_MAPPING,  # type: ignore
-275            exp.DataType.Type.TEXT: "STRING",
-276            exp.DataType.Type.DATETIME: "TIMESTAMP",
-277            exp.DataType.Type.VARBINARY: "BINARY",
-278            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
-279            exp.DataType.Type.BIT: "BOOLEAN",
-280        }
-281
-282        TRANSFORMS = {
-283            **generator.Generator.TRANSFORMS,  # type: ignore
-284            **transforms.UNALIAS_GROUP,  # type: ignore
-285            **transforms.ELIMINATE_QUALIFY,  # type: ignore
-286            exp.Select: transforms.preprocess(
-287                [transforms.eliminate_qualify, transforms.unnest_to_explode]
-288            ),
-289            exp.Property: _property_sql,
-290            exp.ApproxDistinct: approx_count_distinct_sql,
-291            exp.ArrayConcat: rename_func("CONCAT"),
-292            exp.ArraySize: rename_func("SIZE"),
-293            exp.ArraySort: _array_sort,
-294            exp.With: no_recursive_cte_sql,
-295            exp.DateAdd: _add_date_sql,
-296            exp.DateDiff: _date_diff_sql,
-297            exp.DateStrToDate: rename_func("TO_DATE"),
-298            exp.DateSub: _add_date_sql,
-299            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Hive.dateint_format}) AS INT)",
-300            exp.DiToDate: lambda self, e: f"TO_DATE(CAST({self.sql(e, 'this')} AS STRING), {Hive.dateint_format})",
-301            exp.FileFormatProperty: lambda self, e: f"STORED AS {self.sql(e, 'this') if isinstance(e.this, exp.InputOutputFormat) else e.name.upper()}",
-302            exp.If: if_sql,
-303            exp.Index: _index_sql,
-304            exp.ILike: no_ilike_sql,
-305            exp.JSONExtract: rename_func("GET_JSON_OBJECT"),
-306            exp.JSONExtractScalar: rename_func("GET_JSON_OBJECT"),
-307            exp.JSONFormat: rename_func("TO_JSON"),
-308            exp.Map: var_map_sql,
-309            exp.Max: max_or_greatest,
-310            exp.Min: min_or_least,
-311            exp.VarMap: var_map_sql,
-312            exp.Create: create_with_partitions_sql,
-313            exp.Quantile: rename_func("PERCENTILE"),
-314            exp.ApproxQuantile: rename_func("PERCENTILE_APPROX"),
-315            exp.RegexpLike: lambda self, e: self.binary(e, "RLIKE"),
-316            exp.RegexpSplit: rename_func("SPLIT"),
-317            exp.SafeDivide: no_safe_divide_sql,
-318            exp.SchemaCommentProperty: lambda self, e: self.naked_property(e),
-319            exp.SetAgg: rename_func("COLLECT_SET"),
-320            exp.Split: lambda self, e: f"SPLIT({self.sql(e, 'this')}, CONCAT('\\\\Q', {self.sql(e, 'expression')}))",
-321            exp.StrPosition: strposition_to_locate_sql,
-322            exp.StrToDate: _str_to_date,
-323            exp.StrToTime: _str_to_time,
-324            exp.StrToUnix: _str_to_unix,
-325            exp.StructExtract: struct_extract_sql,
-326            exp.TableFormatProperty: lambda self, e: f"USING {self.sql(e, 'this')}",
-327            exp.TimeStrToDate: rename_func("TO_DATE"),
-328            exp.TimeStrToTime: timestrtotime_sql,
-329            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
-330            exp.TimeToStr: _time_to_str,
-331            exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"),
-332            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS STRING), '-', ''), 1, 8) AS INT)",
-333            exp.TsOrDsAdd: lambda self, e: f"DATE_ADD({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-334            exp.TsOrDsToDate: _to_date_sql,
-335            exp.TryCast: no_trycast_sql,
-336            exp.UnixToStr: lambda self, e: self.func(
-337                "FROM_UNIXTIME", e.this, _time_format(self, e)
-338            ),
-339            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
-340            exp.UnixToTimeStr: rename_func("FROM_UNIXTIME"),
-341            exp.PartitionedByProperty: lambda self, e: f"PARTITIONED BY {self.sql(e, 'this')}",
-342            exp.RowFormatSerdeProperty: lambda self, e: f"ROW FORMAT SERDE {self.sql(e, 'this')}",
-343            exp.SerdeProperties: lambda self, e: self.properties(e, prefix="WITH SERDEPROPERTIES"),
-344            exp.NumberToStr: rename_func("FORMAT_NUMBER"),
-345            exp.LastDateOfMonth: rename_func("LAST_DAY"),
-346            exp.National: lambda self, e: self.sql(e, "this"),
-347        }
-348
-349        PROPERTIES_LOCATION = {
-350            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-351            exp.FileFormatProperty: exp.Properties.Location.POST_SCHEMA,
-352            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
-353            exp.TableFormatProperty: exp.Properties.Location.POST_SCHEMA,
-354            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-355        }
-356
-357        def arrayagg_sql(self, expression: exp.ArrayAgg) -> str:
-358            return self.func(
-359                "COLLECT_LIST",
-360                expression.this.this if isinstance(expression.this, exp.Order) else expression.this,
-361            )
-362
-363        def with_properties(self, properties: exp.Properties) -> str:
-364            return self.properties(
-365                properties,
-366                prefix=self.seg("TBLPROPERTIES"),
-367            )
-368
-369        def datatype_sql(self, expression: exp.DataType) -> str:
-370            if (
-371                expression.this in (exp.DataType.Type.VARCHAR, exp.DataType.Type.NVARCHAR)
-372                and not expression.expressions
-373            ):
-374                expression = exp.DataType.build("text")
-375            elif expression.this in exp.DataType.TEMPORAL_TYPES:
-376                expression = exp.DataType.build(expression.this)
-377
-378            return super().datatype_sql(expression)
+            
    279    class Generator(generator.Generator):
+280        LIMIT_FETCH = "LIMIT"
+281        TABLESAMPLE_WITH_METHOD = False
+282        TABLESAMPLE_SIZE_IS_PERCENT = True
+283        JOIN_HINTS = False
+284        TABLE_HINTS = False
+285
+286        TYPE_MAPPING = {
+287            **generator.Generator.TYPE_MAPPING,  # type: ignore
+288            exp.DataType.Type.TEXT: "STRING",
+289            exp.DataType.Type.DATETIME: "TIMESTAMP",
+290            exp.DataType.Type.VARBINARY: "BINARY",
+291            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
+292            exp.DataType.Type.BIT: "BOOLEAN",
+293        }
+294
+295        TRANSFORMS = {
+296            **generator.Generator.TRANSFORMS,  # type: ignore
+297            exp.Group: transforms.preprocess([transforms.unalias_group]),
+298            exp.Select: transforms.preprocess(
+299                [
+300                    transforms.eliminate_qualify,
+301                    transforms.eliminate_distinct_on,
+302                    transforms.unnest_to_explode,
+303                ]
+304            ),
+305            exp.Property: _property_sql,
+306            exp.ApproxDistinct: approx_count_distinct_sql,
+307            exp.ArrayConcat: rename_func("CONCAT"),
+308            exp.ArraySize: rename_func("SIZE"),
+309            exp.ArraySort: _array_sort_sql,
+310            exp.With: no_recursive_cte_sql,
+311            exp.DateAdd: _add_date_sql,
+312            exp.DateDiff: _date_diff_sql,
+313            exp.DateStrToDate: rename_func("TO_DATE"),
+314            exp.DateSub: _add_date_sql,
+315            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Hive.dateint_format}) AS INT)",
+316            exp.DiToDate: lambda self, e: f"TO_DATE(CAST({self.sql(e, 'this')} AS STRING), {Hive.dateint_format})",
+317            exp.FileFormatProperty: lambda self, e: f"STORED AS {self.sql(e, 'this') if isinstance(e.this, exp.InputOutputFormat) else e.name.upper()}",
+318            exp.If: if_sql,
+319            exp.Index: _index_sql,
+320            exp.ILike: no_ilike_sql,
+321            exp.JSONExtract: rename_func("GET_JSON_OBJECT"),
+322            exp.JSONExtractScalar: rename_func("GET_JSON_OBJECT"),
+323            exp.JSONFormat: _json_format_sql,
+324            exp.Map: var_map_sql,
+325            exp.Max: max_or_greatest,
+326            exp.Min: min_or_least,
+327            exp.VarMap: var_map_sql,
+328            exp.Create: create_with_partitions_sql,
+329            exp.Quantile: rename_func("PERCENTILE"),
+330            exp.ApproxQuantile: rename_func("PERCENTILE_APPROX"),
+331            exp.RegexpLike: lambda self, e: self.binary(e, "RLIKE"),
+332            exp.RegexpSplit: rename_func("SPLIT"),
+333            exp.SafeDivide: no_safe_divide_sql,
+334            exp.SchemaCommentProperty: lambda self, e: self.naked_property(e),
+335            exp.SetAgg: rename_func("COLLECT_SET"),
+336            exp.Split: lambda self, e: f"SPLIT({self.sql(e, 'this')}, CONCAT('\\\\Q', {self.sql(e, 'expression')}))",
+337            exp.StrPosition: strposition_to_locate_sql,
+338            exp.StrToDate: _str_to_date_sql,
+339            exp.StrToTime: _str_to_time_sql,
+340            exp.StrToUnix: _str_to_unix_sql,
+341            exp.StructExtract: struct_extract_sql,
+342            exp.TableFormatProperty: lambda self, e: f"USING {self.sql(e, 'this')}",
+343            exp.TimeStrToDate: rename_func("TO_DATE"),
+344            exp.TimeStrToTime: timestrtotime_sql,
+345            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
+346            exp.TimeToStr: _time_to_str,
+347            exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"),
+348            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS STRING), '-', ''), 1, 8) AS INT)",
+349            exp.TsOrDsAdd: lambda self, e: f"DATE_ADD({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+350            exp.TsOrDsToDate: _to_date_sql,
+351            exp.TryCast: no_trycast_sql,
+352            exp.UnixToStr: lambda self, e: self.func(
+353                "FROM_UNIXTIME", e.this, _time_format(self, e)
+354            ),
+355            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
+356            exp.UnixToTimeStr: rename_func("FROM_UNIXTIME"),
+357            exp.PartitionedByProperty: lambda self, e: f"PARTITIONED BY {self.sql(e, 'this')}",
+358            exp.RowFormatSerdeProperty: lambda self, e: f"ROW FORMAT SERDE {self.sql(e, 'this')}",
+359            exp.SerdeProperties: lambda self, e: self.properties(e, prefix="WITH SERDEPROPERTIES"),
+360            exp.NumberToStr: rename_func("FORMAT_NUMBER"),
+361            exp.LastDateOfMonth: rename_func("LAST_DAY"),
+362            exp.National: lambda self, e: self.sql(e, "this"),
+363        }
+364
+365        PROPERTIES_LOCATION = {
+366            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+367            exp.FileFormatProperty: exp.Properties.Location.POST_SCHEMA,
+368            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
+369            exp.TableFormatProperty: exp.Properties.Location.POST_SCHEMA,
+370            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+371        }
+372
+373        def arrayagg_sql(self, expression: exp.ArrayAgg) -> str:
+374            return self.func(
+375                "COLLECT_LIST",
+376                expression.this.this if isinstance(expression.this, exp.Order) else expression.this,
+377            )
+378
+379        def with_properties(self, properties: exp.Properties) -> str:
+380            return self.properties(
+381                properties,
+382                prefix=self.seg("TBLPROPERTIES"),
+383            )
+384
+385        def datatype_sql(self, expression: exp.DataType) -> str:
+386            if (
+387                expression.this in (exp.DataType.Type.VARCHAR, exp.DataType.Type.NVARCHAR)
+388                and not expression.expressions
+389            ):
+390                expression = exp.DataType.build("text")
+391            elif expression.this in exp.DataType.TEMPORAL_TYPES:
+392                expression = exp.DataType.build(expression.this)
+393
+394            return super().datatype_sql(expression)
 
    
 
 
@@ -1081,11 +1103,11 @@ Default: True
    - 
    357        def arrayagg_sql(self, expression: exp.ArrayAgg) -> str:
-358            return self.func(
-359                "COLLECT_LIST",
-360                expression.this.this if isinstance(expression.this, exp.Order) else expression.this,
-361            )
+            
    373        def arrayagg_sql(self, expression: exp.ArrayAgg) -> str:
+374            return self.func(
+375                "COLLECT_LIST",
+376                expression.this.this if isinstance(expression.this, exp.Order) else expression.this,
+377            )
 
    
 
 
@@ -1103,11 +1125,11 @@ Default: True
    - 
    363        def with_properties(self, properties: exp.Properties) -> str:
-364            return self.properties(
-365                properties,
-366                prefix=self.seg("TBLPROPERTIES"),
-367            )
+            
    379        def with_properties(self, properties: exp.Properties) -> str:
+380            return self.properties(
+381                properties,
+382                prefix=self.seg("TBLPROPERTIES"),
+383            )
 
    
 
 
@@ -1125,16 +1147,16 @@ Default: True
    - 
    369        def datatype_sql(self, expression: exp.DataType) -> str:
-370            if (
-371                expression.this in (exp.DataType.Type.VARCHAR, exp.DataType.Type.NVARCHAR)
-372                and not expression.expressions
-373            ):
-374                expression = exp.DataType.build("text")
-375            elif expression.this in exp.DataType.TEMPORAL_TYPES:
-376                expression = exp.DataType.build(expression.this)
-377
-378            return super().datatype_sql(expression)
+            
    385        def datatype_sql(self, expression: exp.DataType) -> str:
+386            if (
+387                expression.this in (exp.DataType.Type.VARCHAR, exp.DataType.Type.NVARCHAR)
+388                and not expression.expressions
+389            ):
+390                expression = exp.DataType.build("text")
+391            elif expression.this in exp.DataType.TEMPORAL_TYPES:
+392                expression = exp.DataType.build(expression.this)
+393
+394            return super().datatype_sql(expression)
 
    
 
 
@@ -1263,7 +1285,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -1272,6 +1294,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/mysql.html b/docs/sqlglot/dialects/mysql.html
index d87f91a..0e62bcc 100644
--- a/docs/sqlglot/dialects/mysql.html
+++ b/docs/sqlglot/dialects/mysql.html
@@ -82,7 +82,7 @@
 
                         
      1from __future__ import annotations
   2
-  3from sqlglot import exp, generator, parser, tokens
+  3from sqlglot import exp, generator, parser, tokens, transforms
   4from sqlglot.dialects.dialect import (
   5    Dialect,
   6    arrow_json_extract_scalar_sql,
@@ -485,84 +485,85 @@
 403            exp.Min: min_or_least,
 404            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 405            exp.NullSafeNEQ: lambda self, e: self.not_sql(self.binary(e, "<=>")),
-406            exp.StrPosition: strposition_to_locate_sql,
-407            exp.StrToDate: _str_to_date_sql,
-408            exp.StrToTime: _str_to_date_sql,
-409            exp.TableSample: no_tablesample_sql,
-410            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
-411            exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)),
-412            exp.Trim: _trim_sql,
-413            exp.TryCast: no_trycast_sql,
-414            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
-415        }
-416
-417        TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy()
-418        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
-419        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
-420        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
-421        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
-422
-423        PROPERTIES_LOCATION = {
-424            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-425            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
-426            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-427        }
-428
-429        LIMIT_FETCH = "LIMIT"
-430
-431        def show_sql(self, expression: exp.Show) -> str:
-432            this = f" {expression.name}"
-433            full = " FULL" if expression.args.get("full") else ""
-434            global_ = " GLOBAL" if expression.args.get("global") else ""
-435
-436            target = self.sql(expression, "target")
-437            target = f" {target}" if target else ""
-438            if expression.name in {"COLUMNS", "INDEX"}:
-439                target = f" FROM{target}"
-440            elif expression.name == "GRANTS":
-441                target = f" FOR{target}"
-442
-443            db = self._prefixed_sql("FROM", expression, "db")
-444
-445            like = self._prefixed_sql("LIKE", expression, "like")
-446            where = self.sql(expression, "where")
-447
-448            types = self.expressions(expression, key="types")
-449            types = f" {types}" if types else types
-450            query = self._prefixed_sql("FOR QUERY", expression, "query")
-451
-452            if expression.name == "PROFILE":
-453                offset = self._prefixed_sql("OFFSET", expression, "offset")
-454                limit = self._prefixed_sql("LIMIT", expression, "limit")
-455            else:
-456                offset = ""
-457                limit = self._oldstyle_limit_sql(expression)
-458
-459            log = self._prefixed_sql("IN", expression, "log")
-460            position = self._prefixed_sql("FROM", expression, "position")
-461
-462            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
-463
-464            if expression.name == "ENGINE":
-465                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
-466            else:
-467                mutex_or_status = ""
-468
-469            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
-470
-471        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
-472            sql = self.sql(expression, arg)
-473            if not sql:
-474                return ""
-475            return f" {prefix} {sql}"
-476
-477        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
-478            limit = self.sql(expression, "limit")
-479            offset = self.sql(expression, "offset")
-480            if limit:
-481                limit_offset = f"{offset}, {limit}" if offset else limit
-482                return f" LIMIT {limit_offset}"
-483            return ""
+406            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
+407            exp.StrPosition: strposition_to_locate_sql,
+408            exp.StrToDate: _str_to_date_sql,
+409            exp.StrToTime: _str_to_date_sql,
+410            exp.TableSample: no_tablesample_sql,
+411            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
+412            exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)),
+413            exp.Trim: _trim_sql,
+414            exp.TryCast: no_trycast_sql,
+415            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
+416        }
+417
+418        TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy()
+419        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
+420        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
+421        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
+422        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
+423
+424        PROPERTIES_LOCATION = {
+425            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+426            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
+427            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+428        }
+429
+430        LIMIT_FETCH = "LIMIT"
+431
+432        def show_sql(self, expression: exp.Show) -> str:
+433            this = f" {expression.name}"
+434            full = " FULL" if expression.args.get("full") else ""
+435            global_ = " GLOBAL" if expression.args.get("global") else ""
+436
+437            target = self.sql(expression, "target")
+438            target = f" {target}" if target else ""
+439            if expression.name in {"COLUMNS", "INDEX"}:
+440                target = f" FROM{target}"
+441            elif expression.name == "GRANTS":
+442                target = f" FOR{target}"
+443
+444            db = self._prefixed_sql("FROM", expression, "db")
+445
+446            like = self._prefixed_sql("LIKE", expression, "like")
+447            where = self.sql(expression, "where")
+448
+449            types = self.expressions(expression, key="types")
+450            types = f" {types}" if types else types
+451            query = self._prefixed_sql("FOR QUERY", expression, "query")
+452
+453            if expression.name == "PROFILE":
+454                offset = self._prefixed_sql("OFFSET", expression, "offset")
+455                limit = self._prefixed_sql("LIMIT", expression, "limit")
+456            else:
+457                offset = ""
+458                limit = self._oldstyle_limit_sql(expression)
+459
+460            log = self._prefixed_sql("IN", expression, "log")
+461            position = self._prefixed_sql("FROM", expression, "position")
+462
+463            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
+464
+465            if expression.name == "ENGINE":
+466                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
+467            else:
+468                mutex_or_status = ""
+469
+470            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
+471
+472        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
+473            sql = self.sql(expression, arg)
+474            if not sql:
+475                return ""
+476            return f" {prefix} {sql}"
+477
+478        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
+479            limit = self.sql(expression, "limit")
+480            offset = self.sql(expression, "offset")
+481            if limit:
+482                limit_offset = f"{offset}, {limit}" if offset else limit
+483                return f" LIMIT {limit_offset}"
+484            return ""
 
    
 
 
@@ -891,84 +892,85 @@
     404            exp.Min: min_or_least,
 405            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 406            exp.NullSafeNEQ: lambda self, e: self.not_sql(self.binary(e, "<=>")),
-407            exp.StrPosition: strposition_to_locate_sql,
-408            exp.StrToDate: _str_to_date_sql,
-409            exp.StrToTime: _str_to_date_sql,
-410            exp.TableSample: no_tablesample_sql,
-411            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
-412            exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)),
-413            exp.Trim: _trim_sql,
-414            exp.TryCast: no_trycast_sql,
-415            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
-416        }
-417
-418        TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy()
-419        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
-420        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
-421        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
-422        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
-423
-424        PROPERTIES_LOCATION = {
-425            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-426            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
-427            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-428        }
-429
-430        LIMIT_FETCH = "LIMIT"
-431
-432        def show_sql(self, expression: exp.Show) -> str:
-433            this = f" {expression.name}"
-434            full = " FULL" if expression.args.get("full") else ""
-435            global_ = " GLOBAL" if expression.args.get("global") else ""
-436
-437            target = self.sql(expression, "target")
-438            target = f" {target}" if target else ""
-439            if expression.name in {"COLUMNS", "INDEX"}:
-440                target = f" FROM{target}"
-441            elif expression.name == "GRANTS":
-442                target = f" FOR{target}"
-443
-444            db = self._prefixed_sql("FROM", expression, "db")
-445
-446            like = self._prefixed_sql("LIKE", expression, "like")
-447            where = self.sql(expression, "where")
-448
-449            types = self.expressions(expression, key="types")
-450            types = f" {types}" if types else types
-451            query = self._prefixed_sql("FOR QUERY", expression, "query")
-452
-453            if expression.name == "PROFILE":
-454                offset = self._prefixed_sql("OFFSET", expression, "offset")
-455                limit = self._prefixed_sql("LIMIT", expression, "limit")
-456            else:
-457                offset = ""
-458                limit = self._oldstyle_limit_sql(expression)
-459
-460            log = self._prefixed_sql("IN", expression, "log")
-461            position = self._prefixed_sql("FROM", expression, "position")
-462
-463            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
-464
-465            if expression.name == "ENGINE":
-466                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
-467            else:
-468                mutex_or_status = ""
-469
-470            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
-471
-472        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
-473            sql = self.sql(expression, arg)
-474            if not sql:
-475                return ""
-476            return f" {prefix} {sql}"
-477
-478        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
-479            limit = self.sql(expression, "limit")
-480            offset = self.sql(expression, "offset")
-481            if limit:
-482                limit_offset = f"{offset}, {limit}" if offset else limit
-483                return f" LIMIT {limit_offset}"
-484            return ""
+407            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
+408            exp.StrPosition: strposition_to_locate_sql,
+409            exp.StrToDate: _str_to_date_sql,
+410            exp.StrToTime: _str_to_date_sql,
+411            exp.TableSample: no_tablesample_sql,
+412            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
+413            exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)),
+414            exp.Trim: _trim_sql,
+415            exp.TryCast: no_trycast_sql,
+416            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
+417        }
+418
+419        TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy()
+420        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
+421        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
+422        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
+423        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
+424
+425        PROPERTIES_LOCATION = {
+426            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+427            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
+428            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+429        }
+430
+431        LIMIT_FETCH = "LIMIT"
+432
+433        def show_sql(self, expression: exp.Show) -> str:
+434            this = f" {expression.name}"
+435            full = " FULL" if expression.args.get("full") else ""
+436            global_ = " GLOBAL" if expression.args.get("global") else ""
+437
+438            target = self.sql(expression, "target")
+439            target = f" {target}" if target else ""
+440            if expression.name in {"COLUMNS", "INDEX"}:
+441                target = f" FROM{target}"
+442            elif expression.name == "GRANTS":
+443                target = f" FOR{target}"
+444
+445            db = self._prefixed_sql("FROM", expression, "db")
+446
+447            like = self._prefixed_sql("LIKE", expression, "like")
+448            where = self.sql(expression, "where")
+449
+450            types = self.expressions(expression, key="types")
+451            types = f" {types}" if types else types
+452            query = self._prefixed_sql("FOR QUERY", expression, "query")
+453
+454            if expression.name == "PROFILE":
+455                offset = self._prefixed_sql("OFFSET", expression, "offset")
+456                limit = self._prefixed_sql("LIMIT", expression, "limit")
+457            else:
+458                offset = ""
+459                limit = self._oldstyle_limit_sql(expression)
+460
+461            log = self._prefixed_sql("IN", expression, "log")
+462            position = self._prefixed_sql("FROM", expression, "position")
+463
+464            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
+465
+466            if expression.name == "ENGINE":
+467                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
+468            else:
+469                mutex_or_status = ""
+470
+471            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
+472
+473        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
+474            sql = self.sql(expression, arg)
+475            if not sql:
+476                return ""
+477            return f" {prefix} {sql}"
+478
+479        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
+480            limit = self.sql(expression, "limit")
+481            offset = self.sql(expression, "offset")
+482            if limit:
+483                limit_offset = f"{offset}, {limit}" if offset else limit
+484                return f" LIMIT {limit_offset}"
+485            return ""
    @@ -1378,84 +1380,85 @@ Default: "nulls_are_small" 404 exp.Min: min_or_least, 405 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 406 exp.NullSafeNEQ: lambda self, e: self.not_sql(self.binary(e, "<=>")), -407 exp.StrPosition: strposition_to_locate_sql, -408 exp.StrToDate: _str_to_date_sql, -409 exp.StrToTime: _str_to_date_sql, -410 exp.TableSample: no_tablesample_sql, -411 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), -412 exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)), -413 exp.Trim: _trim_sql, -414 exp.TryCast: no_trycast_sql, -415 exp.WeekOfYear: rename_func("WEEKOFYEAR"), -416 } -417 -418 TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy() -419 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) -420 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) -421 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) -422 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) -423 -424 PROPERTIES_LOCATION = { -425 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -426 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, -427 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, -428 } -429 -430 LIMIT_FETCH = "LIMIT" -431 -432 def show_sql(self, expression: exp.Show) -> str: -433 this = f" {expression.name}" -434 full = " FULL" if expression.args.get("full") else "" -435 global_ = " GLOBAL" if expression.args.get("global") else "" -436 -437 target = self.sql(expression, "target") -438 target = f" {target}" if target else "" -439 if expression.name in {"COLUMNS", "INDEX"}: -440 target = f" FROM{target}" -441 elif expression.name == "GRANTS": -442 target = f" FOR{target}" -443 -444 db = self._prefixed_sql("FROM", expression, "db") -445 -446 like = self._prefixed_sql("LIKE", expression, "like") -447 where = self.sql(expression, "where") -448 -449 types = self.expressions(expression, key="types") -450 types = f" {types}" if types else types -451 query = self._prefixed_sql("FOR QUERY", expression, "query") -452 -453 if expression.name == "PROFILE": -454 offset = self._prefixed_sql("OFFSET", expression, "offset") -455 limit = self._prefixed_sql("LIMIT", expression, "limit") -456 else: -457 offset = "" -458 limit = self._oldstyle_limit_sql(expression) -459 -460 log = self._prefixed_sql("IN", expression, "log") -461 position = self._prefixed_sql("FROM", expression, "position") -462 -463 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") -464 -465 if expression.name == "ENGINE": -466 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" -467 else: -468 mutex_or_status = "" -469 -470 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" -471 -472 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: -473 sql = self.sql(expression, arg) -474 if not sql: -475 return "" -476 return f" {prefix} {sql}" -477 -478 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: -479 limit = self.sql(expression, "limit") -480 offset = self.sql(expression, "offset") -481 if limit: -482 limit_offset = f"{offset}, {limit}" if offset else limit -483 return f" LIMIT {limit_offset}" -484 return "" +407 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), +408 exp.StrPosition: strposition_to_locate_sql, +409 exp.StrToDate: _str_to_date_sql, +410 exp.StrToTime: _str_to_date_sql, +411 exp.TableSample: no_tablesample_sql, +412 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), +413 exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)), +414 exp.Trim: _trim_sql, +415 exp.TryCast: no_trycast_sql, +416 exp.WeekOfYear: rename_func("WEEKOFYEAR"), +417 } +418 +419 TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy() +420 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) +421 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) +422 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) +423 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) +424 +425 PROPERTIES_LOCATION = { +426 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +427 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, +428 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, +429 } +430 +431 LIMIT_FETCH = "LIMIT" +432 +433 def show_sql(self, expression: exp.Show) -> str: +434 this = f" {expression.name}" +435 full = " FULL" if expression.args.get("full") else "" +436 global_ = " GLOBAL" if expression.args.get("global") else "" +437 +438 target = self.sql(expression, "target") +439 target = f" {target}" if target else "" +440 if expression.name in {"COLUMNS", "INDEX"}: +441 target = f" FROM{target}" +442 elif expression.name == "GRANTS": +443 target = f" FOR{target}" +444 +445 db = self._prefixed_sql("FROM", expression, "db") +446 +447 like = self._prefixed_sql("LIKE", expression, "like") +448 where = self.sql(expression, "where") +449 +450 types = self.expressions(expression, key="types") +451 types = f" {types}" if types else types +452 query = self._prefixed_sql("FOR QUERY", expression, "query") +453 +454 if expression.name == "PROFILE": +455 offset = self._prefixed_sql("OFFSET", expression, "offset") +456 limit = self._prefixed_sql("LIMIT", expression, "limit") +457 else: +458 offset = "" +459 limit = self._oldstyle_limit_sql(expression) +460 +461 log = self._prefixed_sql("IN", expression, "log") +462 position = self._prefixed_sql("FROM", expression, "position") +463 +464 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") +465 +466 if expression.name == "ENGINE": +467 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" +468 else: +469 mutex_or_status = "" +470 +471 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" +472 +473 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: +474 sql = self.sql(expression, arg) +475 if not sql: +476 return "" +477 return f" {prefix} {sql}" +478 +479 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: +480 limit = self.sql(expression, "limit") +481 offset = self.sql(expression, "offset") +482 if limit: +483 limit_offset = f"{offset}, {limit}" if offset else limit +484 return f" LIMIT {limit_offset}" +485 return "" @@ -1514,45 +1517,45 @@ Default: True - 
    432        def show_sql(self, expression: exp.Show) -> str:
-433            this = f" {expression.name}"
-434            full = " FULL" if expression.args.get("full") else ""
-435            global_ = " GLOBAL" if expression.args.get("global") else ""
-436
-437            target = self.sql(expression, "target")
-438            target = f" {target}" if target else ""
-439            if expression.name in {"COLUMNS", "INDEX"}:
-440                target = f" FROM{target}"
-441            elif expression.name == "GRANTS":
-442                target = f" FOR{target}"
-443
-444            db = self._prefixed_sql("FROM", expression, "db")
-445
-446            like = self._prefixed_sql("LIKE", expression, "like")
-447            where = self.sql(expression, "where")
-448
-449            types = self.expressions(expression, key="types")
-450            types = f" {types}" if types else types
-451            query = self._prefixed_sql("FOR QUERY", expression, "query")
-452
-453            if expression.name == "PROFILE":
-454                offset = self._prefixed_sql("OFFSET", expression, "offset")
-455                limit = self._prefixed_sql("LIMIT", expression, "limit")
-456            else:
-457                offset = ""
-458                limit = self._oldstyle_limit_sql(expression)
-459
-460            log = self._prefixed_sql("IN", expression, "log")
-461            position = self._prefixed_sql("FROM", expression, "position")
-462
-463            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
-464
-465            if expression.name == "ENGINE":
-466                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
-467            else:
-468                mutex_or_status = ""
-469
-470            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
+            
    433        def show_sql(self, expression: exp.Show) -> str:
+434            this = f" {expression.name}"
+435            full = " FULL" if expression.args.get("full") else ""
+436            global_ = " GLOBAL" if expression.args.get("global") else ""
+437
+438            target = self.sql(expression, "target")
+439            target = f" {target}" if target else ""
+440            if expression.name in {"COLUMNS", "INDEX"}:
+441                target = f" FROM{target}"
+442            elif expression.name == "GRANTS":
+443                target = f" FOR{target}"
+444
+445            db = self._prefixed_sql("FROM", expression, "db")
+446
+447            like = self._prefixed_sql("LIKE", expression, "like")
+448            where = self.sql(expression, "where")
+449
+450            types = self.expressions(expression, key="types")
+451            types = f" {types}" if types else types
+452            query = self._prefixed_sql("FOR QUERY", expression, "query")
+453
+454            if expression.name == "PROFILE":
+455                offset = self._prefixed_sql("OFFSET", expression, "offset")
+456                limit = self._prefixed_sql("LIMIT", expression, "limit")
+457            else:
+458                offset = ""
+459                limit = self._oldstyle_limit_sql(expression)
+460
+461            log = self._prefixed_sql("IN", expression, "log")
+462            position = self._prefixed_sql("FROM", expression, "position")
+463
+464            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
+465
+466            if expression.name == "ENGINE":
+467                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
+468            else:
+469                mutex_or_status = ""
+470
+471            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
 
    
 
 
@@ -1683,7 +1686,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -1692,6 +1695,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/oracle.html b/docs/sqlglot/dialects/oracle.html
index a6534d3..df16a26 100644
--- a/docs/sqlglot/dialects/oracle.html
+++ b/docs/sqlglot/dialects/oracle.html
@@ -122,146 +122,157 @@
      34
  35
  36class Oracle(Dialect):
- 37    # https://docs.oracle.com/database/121/SQLRF/sql_elements004.htm#SQLRF00212
- 38    # https://docs.python.org/3/library/datetime.html#strftime-and-strptime-format-codes
- 39    time_mapping = {
- 40        "AM": "%p",  # Meridian indicator with or without periods
- 41        "A.M.": "%p",  # Meridian indicator with or without periods
- 42        "PM": "%p",  # Meridian indicator with or without periods
- 43        "P.M.": "%p",  # Meridian indicator with or without periods
- 44        "D": "%u",  # Day of week (1-7)
- 45        "DAY": "%A",  # name of day
- 46        "DD": "%d",  # day of month (1-31)
- 47        "DDD": "%j",  # day of year (1-366)
- 48        "DY": "%a",  # abbreviated name of day
- 49        "HH": "%I",  # Hour of day (1-12)
- 50        "HH12": "%I",  # alias for HH
- 51        "HH24": "%H",  # Hour of day (0-23)
- 52        "IW": "%V",  # Calendar week of year (1-52 or 1-53), as defined by the ISO 8601 standard
- 53        "MI": "%M",  # Minute (0-59)
- 54        "MM": "%m",  # Month (01-12; January = 01)
- 55        "MON": "%b",  # Abbreviated name of month
- 56        "MONTH": "%B",  # Name of month
- 57        "SS": "%S",  # Second (0-59)
- 58        "WW": "%W",  # Week of year (1-53)
- 59        "YY": "%y",  # 15
- 60        "YYYY": "%Y",  # 2015
- 61    }
- 62
- 63    class Parser(parser.Parser):
- 64        FUNCTIONS = {
- 65            **parser.Parser.FUNCTIONS,  # type: ignore
- 66            "SQUARE": lambda args: exp.Pow(this=seq_get(args, 0), expression=exp.Literal.number(2)),
- 67        }
- 68
- 69        FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
- 70            **parser.Parser.FUNCTION_PARSERS,
- 71            "XMLTABLE": _parse_xml_table,
- 72        }
- 73
- 74        TYPE_LITERAL_PARSERS = {
- 75            exp.DataType.Type.DATE: lambda self, this, _: self.expression(
- 76                exp.DateStrToDate, this=this
- 77            )
- 78        }
- 79
- 80        def _parse_column(self) -> t.Optional[exp.Expression]:
- 81            column = super()._parse_column()
- 82            if column:
- 83                column.set("join_mark", self._match(TokenType.JOIN_MARKER))
- 84            return column
- 85
- 86        def _parse_hint(self) -> t.Optional[exp.Expression]:
- 87            if self._match(TokenType.HINT):
- 88                start = self._curr
- 89                while self._curr and not self._match_pair(TokenType.STAR, TokenType.SLASH):
- 90                    self._advance()
- 91
- 92                if not self._curr:
- 93                    self.raise_error("Expected */ after HINT")
- 94
- 95                end = self._tokens[self._index - 3]
- 96                return exp.Hint(expressions=[self._find_sql(start, end)])
- 97
- 98            return None
- 99
-100    class Generator(generator.Generator):
-101        LOCKING_READS_SUPPORTED = True
-102        JOIN_HINTS = False
-103        TABLE_HINTS = False
-104
-105        TYPE_MAPPING = {
-106            **generator.Generator.TYPE_MAPPING,  # type: ignore
-107            exp.DataType.Type.TINYINT: "NUMBER",
-108            exp.DataType.Type.SMALLINT: "NUMBER",
-109            exp.DataType.Type.INT: "NUMBER",
-110            exp.DataType.Type.BIGINT: "NUMBER",
-111            exp.DataType.Type.DECIMAL: "NUMBER",
-112            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
-113            exp.DataType.Type.VARCHAR: "VARCHAR2",
-114            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
-115            exp.DataType.Type.TEXT: "CLOB",
-116            exp.DataType.Type.BINARY: "BLOB",
-117            exp.DataType.Type.VARBINARY: "BLOB",
-118        }
-119
-120        TRANSFORMS = {
-121            **generator.Generator.TRANSFORMS,  # type: ignore
-122            **transforms.UNALIAS_GROUP,  # type: ignore
-123            exp.DateStrToDate: lambda self, e: self.func(
-124                "TO_DATE", e.this, exp.Literal.string("YYYY-MM-DD")
-125            ),
-126            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
-127            exp.ILike: no_ilike_sql,
-128            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-129            exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "),
-130            exp.Substring: rename_func("SUBSTR"),
-131            exp.Table: lambda self, e: self.table_sql(e, sep=" "),
-132            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-133            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-134            exp.Trim: trim_sql,
-135            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
-136            exp.IfNull: rename_func("NVL"),
-137        }
-138
-139        PROPERTIES_LOCATION = {
-140            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-141            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-142        }
-143
-144        LIMIT_FETCH = "FETCH"
-145
-146        def offset_sql(self, expression: exp.Offset) -> str:
-147            return f"{super().offset_sql(expression)} ROWS"
-148
-149        def column_sql(self, expression: exp.Column) -> str:
-150            column = super().column_sql(expression)
-151            return f"{column} (+)" if expression.args.get("join_mark") else column
-152
-153        def xmltable_sql(self, expression: exp.XMLTable) -> str:
-154            this = self.sql(expression, "this")
-155            passing = self.expressions(expression, key="passing")
-156            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
-157            columns = self.expressions(expression, key="columns")
-158            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
-159            by_ref = (
-160                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
-161            )
-162            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
-163
-164    class Tokenizer(tokens.Tokenizer):
-165        KEYWORDS = {
-166            **tokens.Tokenizer.KEYWORDS,
-167            "(+)": TokenType.JOIN_MARKER,
-168            "COLUMNS": TokenType.COLUMN,
-169            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
-170            "MINUS": TokenType.EXCEPT,
-171            "NVARCHAR2": TokenType.NVARCHAR,
-172            "RETURNING": TokenType.RETURNING,
-173            "START": TokenType.BEGIN,
-174            "TOP": TokenType.TOP,
-175            "VARCHAR2": TokenType.VARCHAR,
-176        }
+ 37    alias_post_tablesample = True
+ 38
+ 39    # https://docs.oracle.com/database/121/SQLRF/sql_elements004.htm#SQLRF00212
+ 40    # https://docs.python.org/3/library/datetime.html#strftime-and-strptime-format-codes
+ 41    time_mapping = {
+ 42        "AM": "%p",  # Meridian indicator with or without periods
+ 43        "A.M.": "%p",  # Meridian indicator with or without periods
+ 44        "PM": "%p",  # Meridian indicator with or without periods
+ 45        "P.M.": "%p",  # Meridian indicator with or without periods
+ 46        "D": "%u",  # Day of week (1-7)
+ 47        "DAY": "%A",  # name of day
+ 48        "DD": "%d",  # day of month (1-31)
+ 49        "DDD": "%j",  # day of year (1-366)
+ 50        "DY": "%a",  # abbreviated name of day
+ 51        "HH": "%I",  # Hour of day (1-12)
+ 52        "HH12": "%I",  # alias for HH
+ 53        "HH24": "%H",  # Hour of day (0-23)
+ 54        "IW": "%V",  # Calendar week of year (1-52 or 1-53), as defined by the ISO 8601 standard
+ 55        "MI": "%M",  # Minute (0-59)
+ 56        "MM": "%m",  # Month (01-12; January = 01)
+ 57        "MON": "%b",  # Abbreviated name of month
+ 58        "MONTH": "%B",  # Name of month
+ 59        "SS": "%S",  # Second (0-59)
+ 60        "WW": "%W",  # Week of year (1-53)
+ 61        "YY": "%y",  # 15
+ 62        "YYYY": "%Y",  # 2015
+ 63    }
+ 64
+ 65    class Parser(parser.Parser):
+ 66        WINDOW_BEFORE_PAREN_TOKENS = {TokenType.OVER, TokenType.KEEP}
+ 67
+ 68        FUNCTIONS = {
+ 69            **parser.Parser.FUNCTIONS,  # type: ignore
+ 70            "SQUARE": lambda args: exp.Pow(this=seq_get(args, 0), expression=exp.Literal.number(2)),
+ 71        }
+ 72
+ 73        FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
+ 74            **parser.Parser.FUNCTION_PARSERS,
+ 75            "XMLTABLE": _parse_xml_table,
+ 76        }
+ 77
+ 78        TYPE_LITERAL_PARSERS = {
+ 79            exp.DataType.Type.DATE: lambda self, this, _: self.expression(
+ 80                exp.DateStrToDate, this=this
+ 81            )
+ 82        }
+ 83
+ 84        def _parse_column(self) -> t.Optional[exp.Expression]:
+ 85            column = super()._parse_column()
+ 86            if column:
+ 87                column.set("join_mark", self._match(TokenType.JOIN_MARKER))
+ 88            return column
+ 89
+ 90        def _parse_hint(self) -> t.Optional[exp.Expression]:
+ 91            if self._match(TokenType.HINT):
+ 92                start = self._curr
+ 93                while self._curr and not self._match_pair(TokenType.STAR, TokenType.SLASH):
+ 94                    self._advance()
+ 95
+ 96                if not self._curr:
+ 97                    self.raise_error("Expected */ after HINT")
+ 98
+ 99                end = self._tokens[self._index - 3]
+100                return exp.Hint(expressions=[self._find_sql(start, end)])
+101
+102            return None
+103
+104    class Generator(generator.Generator):
+105        LOCKING_READS_SUPPORTED = True
+106        JOIN_HINTS = False
+107        TABLE_HINTS = False
+108
+109        TYPE_MAPPING = {
+110            **generator.Generator.TYPE_MAPPING,  # type: ignore
+111            exp.DataType.Type.TINYINT: "NUMBER",
+112            exp.DataType.Type.SMALLINT: "NUMBER",
+113            exp.DataType.Type.INT: "NUMBER",
+114            exp.DataType.Type.BIGINT: "NUMBER",
+115            exp.DataType.Type.DECIMAL: "NUMBER",
+116            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+117            exp.DataType.Type.VARCHAR: "VARCHAR2",
+118            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
+119            exp.DataType.Type.TEXT: "CLOB",
+120            exp.DataType.Type.BINARY: "BLOB",
+121            exp.DataType.Type.VARBINARY: "BLOB",
+122        }
+123
+124        TRANSFORMS = {
+125            **generator.Generator.TRANSFORMS,  # type: ignore
+126            exp.DateStrToDate: lambda self, e: self.func(
+127                "TO_DATE", e.this, exp.Literal.string("YYYY-MM-DD")
+128            ),
+129            exp.Group: transforms.preprocess([transforms.unalias_group]),
+130            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
+131            exp.ILike: no_ilike_sql,
+132            exp.IfNull: rename_func("NVL"),
+133            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
+134            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+135            exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "),
+136            exp.Substring: rename_func("SUBSTR"),
+137            exp.Table: lambda self, e: self.table_sql(e, sep=" "),
+138            exp.TableSample: lambda self, e: self.tablesample_sql(e, sep=" "),
+139            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+140            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+141            exp.Trim: trim_sql,
+142            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
+143        }
+144
+145        PROPERTIES_LOCATION = {
+146            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+147            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+148        }
+149
+150        LIMIT_FETCH = "FETCH"
+151
+152        def offset_sql(self, expression: exp.Offset) -> str:
+153            return f"{super().offset_sql(expression)} ROWS"
+154
+155        def column_sql(self, expression: exp.Column) -> str:
+156            column = super().column_sql(expression)
+157            return f"{column} (+)" if expression.args.get("join_mark") else column
+158
+159        def xmltable_sql(self, expression: exp.XMLTable) -> str:
+160            this = self.sql(expression, "this")
+161            passing = self.expressions(expression, key="passing")
+162            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
+163            columns = self.expressions(expression, key="columns")
+164            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
+165            by_ref = (
+166                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
+167            )
+168            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
+169
+170    class Tokenizer(tokens.Tokenizer):
+171        VAR_SINGLE_TOKENS = {"@"}
+172
+173        KEYWORDS = {
+174            **tokens.Tokenizer.KEYWORDS,
+175            "(+)": TokenType.JOIN_MARKER,
+176            "BINARY_DOUBLE": TokenType.DOUBLE,
+177            "BINARY_FLOAT": TokenType.FLOAT,
+178            "COLUMNS": TokenType.COLUMN,
+179            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
+180            "MINUS": TokenType.EXCEPT,
+181            "NVARCHAR2": TokenType.NVARCHAR,
+182            "RETURNING": TokenType.RETURNING,
+183            "SAMPLE": TokenType.TABLE_SAMPLE,
+184            "START": TokenType.BEGIN,
+185            "TOP": TokenType.TOP,
+186            "VARCHAR2": TokenType.VARCHAR,
+187        }
    @@ -278,146 +289,157 @@ 
     37class Oracle(Dialect):
- 38    # https://docs.oracle.com/database/121/SQLRF/sql_elements004.htm#SQLRF00212
- 39    # https://docs.python.org/3/library/datetime.html#strftime-and-strptime-format-codes
- 40    time_mapping = {
- 41        "AM": "%p",  # Meridian indicator with or without periods
- 42        "A.M.": "%p",  # Meridian indicator with or without periods
- 43        "PM": "%p",  # Meridian indicator with or without periods
- 44        "P.M.": "%p",  # Meridian indicator with or without periods
- 45        "D": "%u",  # Day of week (1-7)
- 46        "DAY": "%A",  # name of day
- 47        "DD": "%d",  # day of month (1-31)
- 48        "DDD": "%j",  # day of year (1-366)
- 49        "DY": "%a",  # abbreviated name of day
- 50        "HH": "%I",  # Hour of day (1-12)
- 51        "HH12": "%I",  # alias for HH
- 52        "HH24": "%H",  # Hour of day (0-23)
- 53        "IW": "%V",  # Calendar week of year (1-52 or 1-53), as defined by the ISO 8601 standard
- 54        "MI": "%M",  # Minute (0-59)
- 55        "MM": "%m",  # Month (01-12; January = 01)
- 56        "MON": "%b",  # Abbreviated name of month
- 57        "MONTH": "%B",  # Name of month
- 58        "SS": "%S",  # Second (0-59)
- 59        "WW": "%W",  # Week of year (1-53)
- 60        "YY": "%y",  # 15
- 61        "YYYY": "%Y",  # 2015
- 62    }
- 63
- 64    class Parser(parser.Parser):
- 65        FUNCTIONS = {
- 66            **parser.Parser.FUNCTIONS,  # type: ignore
- 67            "SQUARE": lambda args: exp.Pow(this=seq_get(args, 0), expression=exp.Literal.number(2)),
- 68        }
- 69
- 70        FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
- 71            **parser.Parser.FUNCTION_PARSERS,
- 72            "XMLTABLE": _parse_xml_table,
- 73        }
- 74
- 75        TYPE_LITERAL_PARSERS = {
- 76            exp.DataType.Type.DATE: lambda self, this, _: self.expression(
- 77                exp.DateStrToDate, this=this
- 78            )
- 79        }
- 80
- 81        def _parse_column(self) -> t.Optional[exp.Expression]:
- 82            column = super()._parse_column()
- 83            if column:
- 84                column.set("join_mark", self._match(TokenType.JOIN_MARKER))
- 85            return column
- 86
- 87        def _parse_hint(self) -> t.Optional[exp.Expression]:
- 88            if self._match(TokenType.HINT):
- 89                start = self._curr
- 90                while self._curr and not self._match_pair(TokenType.STAR, TokenType.SLASH):
- 91                    self._advance()
- 92
- 93                if not self._curr:
- 94                    self.raise_error("Expected */ after HINT")
- 95
- 96                end = self._tokens[self._index - 3]
- 97                return exp.Hint(expressions=[self._find_sql(start, end)])
- 98
- 99            return None
-100
-101    class Generator(generator.Generator):
-102        LOCKING_READS_SUPPORTED = True
-103        JOIN_HINTS = False
-104        TABLE_HINTS = False
-105
-106        TYPE_MAPPING = {
-107            **generator.Generator.TYPE_MAPPING,  # type: ignore
-108            exp.DataType.Type.TINYINT: "NUMBER",
-109            exp.DataType.Type.SMALLINT: "NUMBER",
-110            exp.DataType.Type.INT: "NUMBER",
-111            exp.DataType.Type.BIGINT: "NUMBER",
-112            exp.DataType.Type.DECIMAL: "NUMBER",
-113            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
-114            exp.DataType.Type.VARCHAR: "VARCHAR2",
-115            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
-116            exp.DataType.Type.TEXT: "CLOB",
-117            exp.DataType.Type.BINARY: "BLOB",
-118            exp.DataType.Type.VARBINARY: "BLOB",
-119        }
-120
-121        TRANSFORMS = {
-122            **generator.Generator.TRANSFORMS,  # type: ignore
-123            **transforms.UNALIAS_GROUP,  # type: ignore
-124            exp.DateStrToDate: lambda self, e: self.func(
-125                "TO_DATE", e.this, exp.Literal.string("YYYY-MM-DD")
-126            ),
-127            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
-128            exp.ILike: no_ilike_sql,
-129            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-130            exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "),
-131            exp.Substring: rename_func("SUBSTR"),
-132            exp.Table: lambda self, e: self.table_sql(e, sep=" "),
-133            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-134            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-135            exp.Trim: trim_sql,
-136            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
-137            exp.IfNull: rename_func("NVL"),
-138        }
-139
-140        PROPERTIES_LOCATION = {
-141            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-142            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-143        }
-144
-145        LIMIT_FETCH = "FETCH"
-146
-147        def offset_sql(self, expression: exp.Offset) -> str:
-148            return f"{super().offset_sql(expression)} ROWS"
-149
-150        def column_sql(self, expression: exp.Column) -> str:
-151            column = super().column_sql(expression)
-152            return f"{column} (+)" if expression.args.get("join_mark") else column
-153
-154        def xmltable_sql(self, expression: exp.XMLTable) -> str:
-155            this = self.sql(expression, "this")
-156            passing = self.expressions(expression, key="passing")
-157            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
-158            columns = self.expressions(expression, key="columns")
-159            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
-160            by_ref = (
-161                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
-162            )
-163            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
-164
-165    class Tokenizer(tokens.Tokenizer):
-166        KEYWORDS = {
-167            **tokens.Tokenizer.KEYWORDS,
-168            "(+)": TokenType.JOIN_MARKER,
-169            "COLUMNS": TokenType.COLUMN,
-170            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
-171            "MINUS": TokenType.EXCEPT,
-172            "NVARCHAR2": TokenType.NVARCHAR,
-173            "RETURNING": TokenType.RETURNING,
-174            "START": TokenType.BEGIN,
-175            "TOP": TokenType.TOP,
-176            "VARCHAR2": TokenType.VARCHAR,
-177        }
+ 38    alias_post_tablesample = True
+ 39
+ 40    # https://docs.oracle.com/database/121/SQLRF/sql_elements004.htm#SQLRF00212
+ 41    # https://docs.python.org/3/library/datetime.html#strftime-and-strptime-format-codes
+ 42    time_mapping = {
+ 43        "AM": "%p",  # Meridian indicator with or without periods
+ 44        "A.M.": "%p",  # Meridian indicator with or without periods
+ 45        "PM": "%p",  # Meridian indicator with or without periods
+ 46        "P.M.": "%p",  # Meridian indicator with or without periods
+ 47        "D": "%u",  # Day of week (1-7)
+ 48        "DAY": "%A",  # name of day
+ 49        "DD": "%d",  # day of month (1-31)
+ 50        "DDD": "%j",  # day of year (1-366)
+ 51        "DY": "%a",  # abbreviated name of day
+ 52        "HH": "%I",  # Hour of day (1-12)
+ 53        "HH12": "%I",  # alias for HH
+ 54        "HH24": "%H",  # Hour of day (0-23)
+ 55        "IW": "%V",  # Calendar week of year (1-52 or 1-53), as defined by the ISO 8601 standard
+ 56        "MI": "%M",  # Minute (0-59)
+ 57        "MM": "%m",  # Month (01-12; January = 01)
+ 58        "MON": "%b",  # Abbreviated name of month
+ 59        "MONTH": "%B",  # Name of month
+ 60        "SS": "%S",  # Second (0-59)
+ 61        "WW": "%W",  # Week of year (1-53)
+ 62        "YY": "%y",  # 15
+ 63        "YYYY": "%Y",  # 2015
+ 64    }
+ 65
+ 66    class Parser(parser.Parser):
+ 67        WINDOW_BEFORE_PAREN_TOKENS = {TokenType.OVER, TokenType.KEEP}
+ 68
+ 69        FUNCTIONS = {
+ 70            **parser.Parser.FUNCTIONS,  # type: ignore
+ 71            "SQUARE": lambda args: exp.Pow(this=seq_get(args, 0), expression=exp.Literal.number(2)),
+ 72        }
+ 73
+ 74        FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
+ 75            **parser.Parser.FUNCTION_PARSERS,
+ 76            "XMLTABLE": _parse_xml_table,
+ 77        }
+ 78
+ 79        TYPE_LITERAL_PARSERS = {
+ 80            exp.DataType.Type.DATE: lambda self, this, _: self.expression(
+ 81                exp.DateStrToDate, this=this
+ 82            )
+ 83        }
+ 84
+ 85        def _parse_column(self) -> t.Optional[exp.Expression]:
+ 86            column = super()._parse_column()
+ 87            if column:
+ 88                column.set("join_mark", self._match(TokenType.JOIN_MARKER))
+ 89            return column
+ 90
+ 91        def _parse_hint(self) -> t.Optional[exp.Expression]:
+ 92            if self._match(TokenType.HINT):
+ 93                start = self._curr
+ 94                while self._curr and not self._match_pair(TokenType.STAR, TokenType.SLASH):
+ 95                    self._advance()
+ 96
+ 97                if not self._curr:
+ 98                    self.raise_error("Expected */ after HINT")
+ 99
+100                end = self._tokens[self._index - 3]
+101                return exp.Hint(expressions=[self._find_sql(start, end)])
+102
+103            return None
+104
+105    class Generator(generator.Generator):
+106        LOCKING_READS_SUPPORTED = True
+107        JOIN_HINTS = False
+108        TABLE_HINTS = False
+109
+110        TYPE_MAPPING = {
+111            **generator.Generator.TYPE_MAPPING,  # type: ignore
+112            exp.DataType.Type.TINYINT: "NUMBER",
+113            exp.DataType.Type.SMALLINT: "NUMBER",
+114            exp.DataType.Type.INT: "NUMBER",
+115            exp.DataType.Type.BIGINT: "NUMBER",
+116            exp.DataType.Type.DECIMAL: "NUMBER",
+117            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+118            exp.DataType.Type.VARCHAR: "VARCHAR2",
+119            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
+120            exp.DataType.Type.TEXT: "CLOB",
+121            exp.DataType.Type.BINARY: "BLOB",
+122            exp.DataType.Type.VARBINARY: "BLOB",
+123        }
+124
+125        TRANSFORMS = {
+126            **generator.Generator.TRANSFORMS,  # type: ignore
+127            exp.DateStrToDate: lambda self, e: self.func(
+128                "TO_DATE", e.this, exp.Literal.string("YYYY-MM-DD")
+129            ),
+130            exp.Group: transforms.preprocess([transforms.unalias_group]),
+131            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
+132            exp.ILike: no_ilike_sql,
+133            exp.IfNull: rename_func("NVL"),
+134            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
+135            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+136            exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "),
+137            exp.Substring: rename_func("SUBSTR"),
+138            exp.Table: lambda self, e: self.table_sql(e, sep=" "),
+139            exp.TableSample: lambda self, e: self.tablesample_sql(e, sep=" "),
+140            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+141            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+142            exp.Trim: trim_sql,
+143            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
+144        }
+145
+146        PROPERTIES_LOCATION = {
+147            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+148            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+149        }
+150
+151        LIMIT_FETCH = "FETCH"
+152
+153        def offset_sql(self, expression: exp.Offset) -> str:
+154            return f"{super().offset_sql(expression)} ROWS"
+155
+156        def column_sql(self, expression: exp.Column) -> str:
+157            column = super().column_sql(expression)
+158            return f"{column} (+)" if expression.args.get("join_mark") else column
+159
+160        def xmltable_sql(self, expression: exp.XMLTable) -> str:
+161            this = self.sql(expression, "this")
+162            passing = self.expressions(expression, key="passing")
+163            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
+164            columns = self.expressions(expression, key="columns")
+165            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
+166            by_ref = (
+167                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
+168            )
+169            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
+170
+171    class Tokenizer(tokens.Tokenizer):
+172        VAR_SINGLE_TOKENS = {"@"}
+173
+174        KEYWORDS = {
+175            **tokens.Tokenizer.KEYWORDS,
+176            "(+)": TokenType.JOIN_MARKER,
+177            "BINARY_DOUBLE": TokenType.DOUBLE,
+178            "BINARY_FLOAT": TokenType.FLOAT,
+179            "COLUMNS": TokenType.COLUMN,
+180            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
+181            "MINUS": TokenType.EXCEPT,
+182            "NVARCHAR2": TokenType.NVARCHAR,
+183            "RETURNING": TokenType.RETURNING,
+184            "SAMPLE": TokenType.TABLE_SAMPLE,
+185            "START": TokenType.BEGIN,
+186            "TOP": TokenType.TOP,
+187            "VARCHAR2": TokenType.VARCHAR,
+188        }
    @@ -452,42 +474,44 @@ - 
    64    class Parser(parser.Parser):
-65        FUNCTIONS = {
-66            **parser.Parser.FUNCTIONS,  # type: ignore
-67            "SQUARE": lambda args: exp.Pow(this=seq_get(args, 0), expression=exp.Literal.number(2)),
-68        }
-69
-70        FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
-71            **parser.Parser.FUNCTION_PARSERS,
-72            "XMLTABLE": _parse_xml_table,
-73        }
-74
-75        TYPE_LITERAL_PARSERS = {
-76            exp.DataType.Type.DATE: lambda self, this, _: self.expression(
-77                exp.DateStrToDate, this=this
-78            )
-79        }
-80
-81        def _parse_column(self) -> t.Optional[exp.Expression]:
-82            column = super()._parse_column()
-83            if column:
-84                column.set("join_mark", self._match(TokenType.JOIN_MARKER))
-85            return column
-86
-87        def _parse_hint(self) -> t.Optional[exp.Expression]:
-88            if self._match(TokenType.HINT):
-89                start = self._curr
-90                while self._curr and not self._match_pair(TokenType.STAR, TokenType.SLASH):
-91                    self._advance()
-92
-93                if not self._curr:
-94                    self.raise_error("Expected */ after HINT")
-95
-96                end = self._tokens[self._index - 3]
-97                return exp.Hint(expressions=[self._find_sql(start, end)])
-98
-99            return None
+            
     66    class Parser(parser.Parser):
+ 67        WINDOW_BEFORE_PAREN_TOKENS = {TokenType.OVER, TokenType.KEEP}
+ 68
+ 69        FUNCTIONS = {
+ 70            **parser.Parser.FUNCTIONS,  # type: ignore
+ 71            "SQUARE": lambda args: exp.Pow(this=seq_get(args, 0), expression=exp.Literal.number(2)),
+ 72        }
+ 73
+ 74        FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
+ 75            **parser.Parser.FUNCTION_PARSERS,
+ 76            "XMLTABLE": _parse_xml_table,
+ 77        }
+ 78
+ 79        TYPE_LITERAL_PARSERS = {
+ 80            exp.DataType.Type.DATE: lambda self, this, _: self.expression(
+ 81                exp.DateStrToDate, this=this
+ 82            )
+ 83        }
+ 84
+ 85        def _parse_column(self) -> t.Optional[exp.Expression]:
+ 86            column = super()._parse_column()
+ 87            if column:
+ 88                column.set("join_mark", self._match(TokenType.JOIN_MARKER))
+ 89            return column
+ 90
+ 91        def _parse_hint(self) -> t.Optional[exp.Expression]:
+ 92            if self._match(TokenType.HINT):
+ 93                start = self._curr
+ 94                while self._curr and not self._match_pair(TokenType.STAR, TokenType.SLASH):
+ 95                    self._advance()
+ 96
+ 97                if not self._curr:
+ 98                    self.raise_error("Expected */ after HINT")
+ 99
+100                end = self._tokens[self._index - 3]
+101                return exp.Hint(expressions=[self._find_sql(start, end)])
+102
+103            return None
 
    
 
 
@@ -544,69 +568,71 @@ Default: "nulls_are_small"
    - 
    101    class Generator(generator.Generator):
-102        LOCKING_READS_SUPPORTED = True
-103        JOIN_HINTS = False
-104        TABLE_HINTS = False
-105
-106        TYPE_MAPPING = {
-107            **generator.Generator.TYPE_MAPPING,  # type: ignore
-108            exp.DataType.Type.TINYINT: "NUMBER",
-109            exp.DataType.Type.SMALLINT: "NUMBER",
-110            exp.DataType.Type.INT: "NUMBER",
-111            exp.DataType.Type.BIGINT: "NUMBER",
-112            exp.DataType.Type.DECIMAL: "NUMBER",
-113            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
-114            exp.DataType.Type.VARCHAR: "VARCHAR2",
-115            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
-116            exp.DataType.Type.TEXT: "CLOB",
-117            exp.DataType.Type.BINARY: "BLOB",
-118            exp.DataType.Type.VARBINARY: "BLOB",
-119        }
-120
-121        TRANSFORMS = {
-122            **generator.Generator.TRANSFORMS,  # type: ignore
-123            **transforms.UNALIAS_GROUP,  # type: ignore
-124            exp.DateStrToDate: lambda self, e: self.func(
-125                "TO_DATE", e.this, exp.Literal.string("YYYY-MM-DD")
-126            ),
-127            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
-128            exp.ILike: no_ilike_sql,
-129            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-130            exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "),
-131            exp.Substring: rename_func("SUBSTR"),
-132            exp.Table: lambda self, e: self.table_sql(e, sep=" "),
-133            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-134            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-135            exp.Trim: trim_sql,
-136            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
-137            exp.IfNull: rename_func("NVL"),
-138        }
-139
-140        PROPERTIES_LOCATION = {
-141            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-142            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-143        }
-144
-145        LIMIT_FETCH = "FETCH"
-146
-147        def offset_sql(self, expression: exp.Offset) -> str:
-148            return f"{super().offset_sql(expression)} ROWS"
-149
-150        def column_sql(self, expression: exp.Column) -> str:
-151            column = super().column_sql(expression)
-152            return f"{column} (+)" if expression.args.get("join_mark") else column
-153
-154        def xmltable_sql(self, expression: exp.XMLTable) -> str:
-155            this = self.sql(expression, "this")
-156            passing = self.expressions(expression, key="passing")
-157            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
-158            columns = self.expressions(expression, key="columns")
-159            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
-160            by_ref = (
-161                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
-162            )
-163            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
+            
    105    class Generator(generator.Generator):
+106        LOCKING_READS_SUPPORTED = True
+107        JOIN_HINTS = False
+108        TABLE_HINTS = False
+109
+110        TYPE_MAPPING = {
+111            **generator.Generator.TYPE_MAPPING,  # type: ignore
+112            exp.DataType.Type.TINYINT: "NUMBER",
+113            exp.DataType.Type.SMALLINT: "NUMBER",
+114            exp.DataType.Type.INT: "NUMBER",
+115            exp.DataType.Type.BIGINT: "NUMBER",
+116            exp.DataType.Type.DECIMAL: "NUMBER",
+117            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+118            exp.DataType.Type.VARCHAR: "VARCHAR2",
+119            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
+120            exp.DataType.Type.TEXT: "CLOB",
+121            exp.DataType.Type.BINARY: "BLOB",
+122            exp.DataType.Type.VARBINARY: "BLOB",
+123        }
+124
+125        TRANSFORMS = {
+126            **generator.Generator.TRANSFORMS,  # type: ignore
+127            exp.DateStrToDate: lambda self, e: self.func(
+128                "TO_DATE", e.this, exp.Literal.string("YYYY-MM-DD")
+129            ),
+130            exp.Group: transforms.preprocess([transforms.unalias_group]),
+131            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
+132            exp.ILike: no_ilike_sql,
+133            exp.IfNull: rename_func("NVL"),
+134            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
+135            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+136            exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "),
+137            exp.Substring: rename_func("SUBSTR"),
+138            exp.Table: lambda self, e: self.table_sql(e, sep=" "),
+139            exp.TableSample: lambda self, e: self.tablesample_sql(e, sep=" "),
+140            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+141            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+142            exp.Trim: trim_sql,
+143            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
+144        }
+145
+146        PROPERTIES_LOCATION = {
+147            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+148            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+149        }
+150
+151        LIMIT_FETCH = "FETCH"
+152
+153        def offset_sql(self, expression: exp.Offset) -> str:
+154            return f"{super().offset_sql(expression)} ROWS"
+155
+156        def column_sql(self, expression: exp.Column) -> str:
+157            column = super().column_sql(expression)
+158            return f"{column} (+)" if expression.args.get("join_mark") else column
+159
+160        def xmltable_sql(self, expression: exp.XMLTable) -> str:
+161            this = self.sql(expression, "this")
+162            passing = self.expressions(expression, key="passing")
+163            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
+164            columns = self.expressions(expression, key="columns")
+165            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
+166            by_ref = (
+167                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
+168            )
+169            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
 
    
 
 
@@ -665,8 +691,8 @@ Default: True
    - 
    147        def offset_sql(self, expression: exp.Offset) -> str:
-148            return f"{super().offset_sql(expression)} ROWS"
+            
    153        def offset_sql(self, expression: exp.Offset) -> str:
+154            return f"{super().offset_sql(expression)} ROWS"
 
    
 
 
@@ -684,9 +710,9 @@ Default: True
    - 
    150        def column_sql(self, expression: exp.Column) -> str:
-151            column = super().column_sql(expression)
-152            return f"{column} (+)" if expression.args.get("join_mark") else column
+            
    156        def column_sql(self, expression: exp.Column) -> str:
+157            column = super().column_sql(expression)
+158            return f"{column} (+)" if expression.args.get("join_mark") else column
 
    
 
 
@@ -704,16 +730,16 @@ Default: True
    - 
    154        def xmltable_sql(self, expression: exp.XMLTable) -> str:
-155            this = self.sql(expression, "this")
-156            passing = self.expressions(expression, key="passing")
-157            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
-158            columns = self.expressions(expression, key="columns")
-159            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
-160            by_ref = (
-161                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
-162            )
-163            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
+            
    160        def xmltable_sql(self, expression: exp.XMLTable) -> str:
+161            this = self.sql(expression, "this")
+162            passing = self.expressions(expression, key="passing")
+163            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
+164            columns = self.expressions(expression, key="columns")
+165            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
+166            by_ref = (
+167                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
+168            )
+169            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
 
    
 
 
@@ -842,7 +868,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -851,6 +877,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
@@ -962,19 +989,24 @@ Default: True
    - 
    165    class Tokenizer(tokens.Tokenizer):
-166        KEYWORDS = {
-167            **tokens.Tokenizer.KEYWORDS,
-168            "(+)": TokenType.JOIN_MARKER,
-169            "COLUMNS": TokenType.COLUMN,
-170            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
-171            "MINUS": TokenType.EXCEPT,
-172            "NVARCHAR2": TokenType.NVARCHAR,
-173            "RETURNING": TokenType.RETURNING,
-174            "START": TokenType.BEGIN,
-175            "TOP": TokenType.TOP,
-176            "VARCHAR2": TokenType.VARCHAR,
-177        }
+            
    171    class Tokenizer(tokens.Tokenizer):
+172        VAR_SINGLE_TOKENS = {"@"}
+173
+174        KEYWORDS = {
+175            **tokens.Tokenizer.KEYWORDS,
+176            "(+)": TokenType.JOIN_MARKER,
+177            "BINARY_DOUBLE": TokenType.DOUBLE,
+178            "BINARY_FLOAT": TokenType.FLOAT,
+179            "COLUMNS": TokenType.COLUMN,
+180            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
+181            "MINUS": TokenType.EXCEPT,
+182            "NVARCHAR2": TokenType.NVARCHAR,
+183            "RETURNING": TokenType.RETURNING,
+184            "SAMPLE": TokenType.TABLE_SAMPLE,
+185            "START": TokenType.BEGIN,
+186            "TOP": TokenType.TOP,
+187            "VARCHAR2": TokenType.VARCHAR,
+188        }
 
    
 
 
diff --git a/docs/sqlglot/dialects/postgres.html b/docs/sqlglot/dialects/postgres.html
index 9eb542b..a322f4e 100644
--- a/docs/sqlglot/dialects/postgres.html
+++ b/docs/sqlglot/dialects/postgres.html
@@ -79,7 +79,7 @@
 
                         
      1from __future__ import annotations
   2
-  3from sqlglot import exp, generator, parser, tokens
+  3from sqlglot import exp, generator, parser, tokens, transforms
   4from sqlglot.dialects.dialect import (
   5    Dialect,
   6    arrow_json_extract_scalar_sql,
@@ -99,353 +99,352 @@
  20from sqlglot.helper import seq_get
  21from sqlglot.parser import binary_range_parser
  22from sqlglot.tokens import TokenType
- 23from sqlglot.transforms import preprocess, remove_target_from_merge
- 24
- 25DATE_DIFF_FACTOR = {
- 26    "MICROSECOND": " * 1000000",
- 27    "MILLISECOND": " * 1000",
- 28    "SECOND": "",
- 29    "MINUTE": " / 60",
- 30    "HOUR": " / 3600",
- 31    "DAY": " / 86400",
- 32}
+ 23
+ 24DATE_DIFF_FACTOR = {
+ 25    "MICROSECOND": " * 1000000",
+ 26    "MILLISECOND": " * 1000",
+ 27    "SECOND": "",
+ 28    "MINUTE": " / 60",
+ 29    "HOUR": " / 3600",
+ 30    "DAY": " / 86400",
+ 31}
+ 32
  33
- 34
- 35def _date_add_sql(kind):
- 36    def func(self, expression):
- 37        from sqlglot.optimizer.simplify import simplify
- 38
- 39        this = self.sql(expression, "this")
- 40        unit = expression.args.get("unit")
- 41        expression = simplify(expression.args["expression"])
- 42
- 43        if not isinstance(expression, exp.Literal):
- 44            self.unsupported("Cannot add non literal")
- 45
- 46        expression = expression.copy()
- 47        expression.args["is_string"] = True
- 48        return f"{this} {kind} {self.sql(exp.Interval(this=expression, unit=unit))}"
- 49
- 50    return func
+ 34def _date_add_sql(kind):
+ 35    def func(self, expression):
+ 36        from sqlglot.optimizer.simplify import simplify
+ 37
+ 38        this = self.sql(expression, "this")
+ 39        unit = expression.args.get("unit")
+ 40        expression = simplify(expression.args["expression"])
+ 41
+ 42        if not isinstance(expression, exp.Literal):
+ 43            self.unsupported("Cannot add non literal")
+ 44
+ 45        expression = expression.copy()
+ 46        expression.args["is_string"] = True
+ 47        return f"{this} {kind} {self.sql(exp.Interval(this=expression, unit=unit))}"
+ 48
+ 49    return func
+ 50
  51
- 52
- 53def _date_diff_sql(self, expression):
- 54    unit = expression.text("unit").upper()
- 55    factor = DATE_DIFF_FACTOR.get(unit)
- 56
- 57    end = f"CAST({expression.this} AS TIMESTAMP)"
- 58    start = f"CAST({expression.expression} AS TIMESTAMP)"
- 59
- 60    if factor is not None:
- 61        return f"CAST(EXTRACT(epoch FROM {end} - {start}){factor} AS BIGINT)"
- 62
- 63    age = f"AGE({end}, {start})"
- 64
- 65    if unit == "WEEK":
- 66        unit = f"EXTRACT(year FROM {age}) * 48 + EXTRACT(month FROM {age}) * 4 + EXTRACT(day FROM {age}) / 7"
- 67    elif unit == "MONTH":
- 68        unit = f"EXTRACT(year FROM {age}) * 12 + EXTRACT(month FROM {age})"
- 69    elif unit == "QUARTER":
- 70        unit = f"EXTRACT(year FROM {age}) * 4 + EXTRACT(month FROM {age}) / 3"
- 71    elif unit == "YEAR":
- 72        unit = f"EXTRACT(year FROM {age})"
- 73    else:
- 74        unit = age
- 75
- 76    return f"CAST({unit} AS BIGINT)"
+ 52def _date_diff_sql(self, expression):
+ 53    unit = expression.text("unit").upper()
+ 54    factor = DATE_DIFF_FACTOR.get(unit)
+ 55
+ 56    end = f"CAST({expression.this} AS TIMESTAMP)"
+ 57    start = f"CAST({expression.expression} AS TIMESTAMP)"
+ 58
+ 59    if factor is not None:
+ 60        return f"CAST(EXTRACT(epoch FROM {end} - {start}){factor} AS BIGINT)"
+ 61
+ 62    age = f"AGE({end}, {start})"
+ 63
+ 64    if unit == "WEEK":
+ 65        unit = f"EXTRACT(year FROM {age}) * 48 + EXTRACT(month FROM {age}) * 4 + EXTRACT(day FROM {age}) / 7"
+ 66    elif unit == "MONTH":
+ 67        unit = f"EXTRACT(year FROM {age}) * 12 + EXTRACT(month FROM {age})"
+ 68    elif unit == "QUARTER":
+ 69        unit = f"EXTRACT(year FROM {age}) * 4 + EXTRACT(month FROM {age}) / 3"
+ 70    elif unit == "YEAR":
+ 71        unit = f"EXTRACT(year FROM {age})"
+ 72    else:
+ 73        unit = age
+ 74
+ 75    return f"CAST({unit} AS BIGINT)"
+ 76
  77
- 78
- 79def _substring_sql(self, expression):
- 80    this = self.sql(expression, "this")
- 81    start = self.sql(expression, "start")
- 82    length = self.sql(expression, "length")
- 83
- 84    from_part = f" FROM {start}" if start else ""
- 85    for_part = f" FOR {length}" if length else ""
- 86
- 87    return f"SUBSTRING({this}{from_part}{for_part})"
+ 78def _substring_sql(self, expression):
+ 79    this = self.sql(expression, "this")
+ 80    start = self.sql(expression, "start")
+ 81    length = self.sql(expression, "length")
+ 82
+ 83    from_part = f" FROM {start}" if start else ""
+ 84    for_part = f" FOR {length}" if length else ""
+ 85
+ 86    return f"SUBSTRING({this}{from_part}{for_part})"
+ 87
  88
- 89
- 90def _string_agg_sql(self, expression):
- 91    expression = expression.copy()
- 92    separator = expression.args.get("separator") or exp.Literal.string(",")
- 93
- 94    order = ""
- 95    this = expression.this
- 96    if isinstance(this, exp.Order):
- 97        if this.this:
- 98            this = this.this.pop()
- 99        order = self.sql(expression.this)  # Order has a leading space
-100
-101    return f"STRING_AGG({self.format_args(this, separator)}{order})"
+ 89def _string_agg_sql(self, expression):
+ 90    expression = expression.copy()
+ 91    separator = expression.args.get("separator") or exp.Literal.string(",")
+ 92
+ 93    order = ""
+ 94    this = expression.this
+ 95    if isinstance(this, exp.Order):
+ 96        if this.this:
+ 97            this = this.this.pop()
+ 98        order = self.sql(expression.this)  # Order has a leading space
+ 99
+100    return f"STRING_AGG({self.format_args(this, separator)}{order})"
+101
 102
-103
-104def _datatype_sql(self, expression):
-105    if expression.this == exp.DataType.Type.ARRAY:
-106        return f"{self.expressions(expression, flat=True)}[]"
-107    return self.datatype_sql(expression)
+103def _datatype_sql(self, expression):
+104    if expression.this == exp.DataType.Type.ARRAY:
+105        return f"{self.expressions(expression, flat=True)}[]"
+106    return self.datatype_sql(expression)
+107
 108
-109
-110def _auto_increment_to_serial(expression):
-111    auto = expression.find(exp.AutoIncrementColumnConstraint)
-112
-113    if auto:
-114        expression = expression.copy()
-115        expression.args["constraints"].remove(auto.parent)
-116        kind = expression.args["kind"]
-117
-118        if kind.this == exp.DataType.Type.INT:
-119            kind.replace(exp.DataType(this=exp.DataType.Type.SERIAL))
-120        elif kind.this == exp.DataType.Type.SMALLINT:
-121            kind.replace(exp.DataType(this=exp.DataType.Type.SMALLSERIAL))
-122        elif kind.this == exp.DataType.Type.BIGINT:
-123            kind.replace(exp.DataType(this=exp.DataType.Type.BIGSERIAL))
-124
-125    return expression
+109def _auto_increment_to_serial(expression):
+110    auto = expression.find(exp.AutoIncrementColumnConstraint)
+111
+112    if auto:
+113        expression = expression.copy()
+114        expression.args["constraints"].remove(auto.parent)
+115        kind = expression.args["kind"]
+116
+117        if kind.this == exp.DataType.Type.INT:
+118            kind.replace(exp.DataType(this=exp.DataType.Type.SERIAL))
+119        elif kind.this == exp.DataType.Type.SMALLINT:
+120            kind.replace(exp.DataType(this=exp.DataType.Type.SMALLSERIAL))
+121        elif kind.this == exp.DataType.Type.BIGINT:
+122            kind.replace(exp.DataType(this=exp.DataType.Type.BIGSERIAL))
+123
+124    return expression
+125
 126
-127
-128def _serial_to_generated(expression):
-129    kind = expression.args["kind"]
-130
-131    if kind.this == exp.DataType.Type.SERIAL:
-132        data_type = exp.DataType(this=exp.DataType.Type.INT)
-133    elif kind.this == exp.DataType.Type.SMALLSERIAL:
-134        data_type = exp.DataType(this=exp.DataType.Type.SMALLINT)
-135    elif kind.this == exp.DataType.Type.BIGSERIAL:
-136        data_type = exp.DataType(this=exp.DataType.Type.BIGINT)
-137    else:
-138        data_type = None
-139
-140    if data_type:
-141        expression = expression.copy()
-142        expression.args["kind"].replace(data_type)
-143        constraints = expression.args["constraints"]
-144        generated = exp.ColumnConstraint(kind=exp.GeneratedAsIdentityColumnConstraint(this=False))
-145        notnull = exp.ColumnConstraint(kind=exp.NotNullColumnConstraint())
-146        if notnull not in constraints:
-147            constraints.insert(0, notnull)
-148        if generated not in constraints:
-149            constraints.insert(0, generated)
-150
-151    return expression
+127def _serial_to_generated(expression):
+128    kind = expression.args["kind"]
+129
+130    if kind.this == exp.DataType.Type.SERIAL:
+131        data_type = exp.DataType(this=exp.DataType.Type.INT)
+132    elif kind.this == exp.DataType.Type.SMALLSERIAL:
+133        data_type = exp.DataType(this=exp.DataType.Type.SMALLINT)
+134    elif kind.this == exp.DataType.Type.BIGSERIAL:
+135        data_type = exp.DataType(this=exp.DataType.Type.BIGINT)
+136    else:
+137        data_type = None
+138
+139    if data_type:
+140        expression = expression.copy()
+141        expression.args["kind"].replace(data_type)
+142        constraints = expression.args["constraints"]
+143        generated = exp.ColumnConstraint(kind=exp.GeneratedAsIdentityColumnConstraint(this=False))
+144        notnull = exp.ColumnConstraint(kind=exp.NotNullColumnConstraint())
+145        if notnull not in constraints:
+146            constraints.insert(0, notnull)
+147        if generated not in constraints:
+148            constraints.insert(0, generated)
+149
+150    return expression
+151
 152
-153
-154def _generate_series(args):
-155    # The goal is to convert step values like '1 day' or INTERVAL '1 day' into INTERVAL '1' day
-156    step = seq_get(args, 2)
-157
-158    if step is None:
-159        # Postgres allows calls with just two arguments -- the "step" argument defaults to 1
-160        return exp.GenerateSeries.from_arg_list(args)
-161
-162    if step.is_string:
-163        args[2] = exp.to_interval(step.this)
-164    elif isinstance(step, exp.Interval) and not step.args.get("unit"):
-165        args[2] = exp.to_interval(step.this.this)
-166
-167    return exp.GenerateSeries.from_arg_list(args)
+153def _generate_series(args):
+154    # The goal is to convert step values like '1 day' or INTERVAL '1 day' into INTERVAL '1' day
+155    step = seq_get(args, 2)
+156
+157    if step is None:
+158        # Postgres allows calls with just two arguments -- the "step" argument defaults to 1
+159        return exp.GenerateSeries.from_arg_list(args)
+160
+161    if step.is_string:
+162        args[2] = exp.to_interval(step.this)
+163    elif isinstance(step, exp.Interval) and not step.args.get("unit"):
+164        args[2] = exp.to_interval(step.this.this)
+165
+166    return exp.GenerateSeries.from_arg_list(args)
+167
 168
-169
-170def _to_timestamp(args):
-171    # TO_TIMESTAMP accepts either a single double argument or (text, text)
-172    if len(args) == 1:
-173        # https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TABLE
-174        return exp.UnixToTime.from_arg_list(args)
-175    # https://www.postgresql.org/docs/current/functions-formatting.html
-176    return format_time_lambda(exp.StrToTime, "postgres")(args)
+169def _to_timestamp(args):
+170    # TO_TIMESTAMP accepts either a single double argument or (text, text)
+171    if len(args) == 1:
+172        # https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TABLE
+173        return exp.UnixToTime.from_arg_list(args)
+174    # https://www.postgresql.org/docs/current/functions-formatting.html
+175    return format_time_lambda(exp.StrToTime, "postgres")(args)
+176
 177
-178
-179class Postgres(Dialect):
-180    null_ordering = "nulls_are_large"
-181    time_format = "'YYYY-MM-DD HH24:MI:SS'"
-182    time_mapping = {
-183        "AM": "%p",
-184        "PM": "%p",
-185        "D": "%u",  # 1-based day of week
-186        "DD": "%d",  # day of month
-187        "DDD": "%j",  # zero padded day of year
-188        "FMDD": "%-d",  # - is no leading zero for Python; same for FM in postgres
-189        "FMDDD": "%-j",  # day of year
-190        "FMHH12": "%-I",  # 9
-191        "FMHH24": "%-H",  # 9
-192        "FMMI": "%-M",  # Minute
-193        "FMMM": "%-m",  # 1
-194        "FMSS": "%-S",  # Second
-195        "HH12": "%I",  # 09
-196        "HH24": "%H",  # 09
-197        "MI": "%M",  # zero padded minute
-198        "MM": "%m",  # 01
-199        "OF": "%z",  # utc offset
-200        "SS": "%S",  # zero padded second
-201        "TMDay": "%A",  # TM is locale dependent
-202        "TMDy": "%a",
-203        "TMMon": "%b",  # Sep
-204        "TMMonth": "%B",  # September
-205        "TZ": "%Z",  # uppercase timezone name
-206        "US": "%f",  # zero padded microsecond
-207        "WW": "%U",  # 1-based week of year
-208        "YY": "%y",  # 15
-209        "YYYY": "%Y",  # 2015
-210    }
-211
-212    class Tokenizer(tokens.Tokenizer):
-213        QUOTES = ["'", "$$"]
-214
-215        BIT_STRINGS = [("b'", "'"), ("B'", "'")]
-216        HEX_STRINGS = [("x'", "'"), ("X'", "'")]
-217        BYTE_STRINGS = [("e'", "'"), ("E'", "'")]
-218
-219        KEYWORDS = {
-220            **tokens.Tokenizer.KEYWORDS,
-221            "~~": TokenType.LIKE,
-222            "~~*": TokenType.ILIKE,
-223            "~*": TokenType.IRLIKE,
-224            "~": TokenType.RLIKE,
-225            "@>": TokenType.AT_GT,
-226            "<@": TokenType.LT_AT,
-227            "BEGIN": TokenType.COMMAND,
-228            "BEGIN TRANSACTION": TokenType.BEGIN,
-229            "BIGSERIAL": TokenType.BIGSERIAL,
-230            "CHARACTER VARYING": TokenType.VARCHAR,
-231            "DECLARE": TokenType.COMMAND,
-232            "DO": TokenType.COMMAND,
-233            "HSTORE": TokenType.HSTORE,
-234            "JSONB": TokenType.JSONB,
-235            "REFRESH": TokenType.COMMAND,
-236            "REINDEX": TokenType.COMMAND,
-237            "RESET": TokenType.COMMAND,
-238            "RETURNING": TokenType.RETURNING,
-239            "REVOKE": TokenType.COMMAND,
-240            "SERIAL": TokenType.SERIAL,
-241            "SMALLSERIAL": TokenType.SMALLSERIAL,
-242            "TEMP": TokenType.TEMPORARY,
-243            "CSTRING": TokenType.PSEUDO_TYPE,
-244        }
-245
-246        SINGLE_TOKENS = {
-247            **tokens.Tokenizer.SINGLE_TOKENS,
-248            "$": TokenType.PARAMETER,
-249        }
-250
-251        VAR_SINGLE_TOKENS = {"$"}
-252
-253    class Parser(parser.Parser):
-254        STRICT_CAST = False
-255
-256        FUNCTIONS = {
-257            **parser.Parser.FUNCTIONS,  # type: ignore
-258            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
-259                this=seq_get(args, 1), unit=seq_get(args, 0)
-260            ),
-261            "GENERATE_SERIES": _generate_series,
-262            "NOW": exp.CurrentTimestamp.from_arg_list,
-263            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
-264            "TO_TIMESTAMP": _to_timestamp,
-265        }
-266
-267        FUNCTION_PARSERS = {
-268            **parser.Parser.FUNCTION_PARSERS,
-269            "DATE_PART": lambda self: self._parse_date_part(),
-270        }
-271
-272        BITWISE = {
-273            **parser.Parser.BITWISE,  # type: ignore
-274            TokenType.HASH: exp.BitwiseXor,
-275        }
-276
-277        FACTOR = {
-278            **parser.Parser.FACTOR,
-279            TokenType.CARET: exp.Pow,
-280        }
-281
-282        RANGE_PARSERS = {
-283            **parser.Parser.RANGE_PARSERS,  # type: ignore
-284            TokenType.DAMP: binary_range_parser(exp.ArrayOverlaps),
-285            TokenType.AT_GT: binary_range_parser(exp.ArrayContains),
-286            TokenType.LT_AT: binary_range_parser(exp.ArrayContained),
-287        }
-288
-289        def _parse_date_part(self) -> exp.Expression:
-290            part = self._parse_type()
-291            self._match(TokenType.COMMA)
-292            value = self._parse_bitwise()
-293
-294            if part and part.is_string:
-295                part = exp.Var(this=part.name)
-296
-297            return self.expression(exp.Extract, this=part, expression=value)
-298
-299    class Generator(generator.Generator):
-300        INTERVAL_ALLOWS_PLURAL_FORM = False
-301        LOCKING_READS_SUPPORTED = True
-302        JOIN_HINTS = False
-303        TABLE_HINTS = False
-304        PARAMETER_TOKEN = "$"
-305
-306        TYPE_MAPPING = {
-307            **generator.Generator.TYPE_MAPPING,  # type: ignore
-308            exp.DataType.Type.TINYINT: "SMALLINT",
-309            exp.DataType.Type.FLOAT: "REAL",
-310            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
-311            exp.DataType.Type.BINARY: "BYTEA",
-312            exp.DataType.Type.VARBINARY: "BYTEA",
-313            exp.DataType.Type.DATETIME: "TIMESTAMP",
-314        }
-315
-316        TRANSFORMS = {
-317            **generator.Generator.TRANSFORMS,  # type: ignore
-318            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
-319            exp.ColumnDef: preprocess(
-320                [
-321                    _auto_increment_to_serial,
-322                    _serial_to_generated,
-323                ],
-324            ),
-325            exp.JSONExtract: arrow_json_extract_sql,
-326            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-327            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
-328            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
-329            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
-330            exp.Pow: lambda self, e: self.binary(e, "^"),
-331            exp.CurrentDate: no_paren_current_date_sql,
-332            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
-333            exp.DateAdd: _date_add_sql("+"),
-334            exp.DateStrToDate: datestrtodate_sql,
-335            exp.DateSub: _date_add_sql("-"),
-336            exp.DateDiff: _date_diff_sql,
-337            exp.LogicalOr: rename_func("BOOL_OR"),
-338            exp.LogicalAnd: rename_func("BOOL_AND"),
-339            exp.Max: max_or_greatest,
-340            exp.Min: min_or_least,
-341            exp.ArrayOverlaps: lambda self, e: self.binary(e, "&&"),
-342            exp.ArrayContains: lambda self, e: self.binary(e, "@>"),
-343            exp.ArrayContained: lambda self, e: self.binary(e, "<@"),
-344            exp.Merge: preprocess([remove_target_from_merge]),
-345            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
-346            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
-347            exp.StrPosition: str_position_sql,
-348            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-349            exp.Substring: _substring_sql,
-350            exp.TimestampTrunc: timestamptrunc_sql,
-351            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
-352            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-353            exp.TableSample: no_tablesample_sql,
-354            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-355            exp.Trim: trim_sql,
-356            exp.TryCast: no_trycast_sql,
-357            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
-358            exp.DataType: _datatype_sql,
-359            exp.GroupConcat: _string_agg_sql,
-360            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
-361            if isinstance(seq_get(e.expressions, 0), exp.Select)
-362            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
-363        }
-364
-365        PROPERTIES_LOCATION = {
-366            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-367            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
-368            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-369        }
+178class Postgres(Dialect):
+179    null_ordering = "nulls_are_large"
+180    time_format = "'YYYY-MM-DD HH24:MI:SS'"
+181    time_mapping = {
+182        "AM": "%p",
+183        "PM": "%p",
+184        "D": "%u",  # 1-based day of week
+185        "DD": "%d",  # day of month
+186        "DDD": "%j",  # zero padded day of year
+187        "FMDD": "%-d",  # - is no leading zero for Python; same for FM in postgres
+188        "FMDDD": "%-j",  # day of year
+189        "FMHH12": "%-I",  # 9
+190        "FMHH24": "%-H",  # 9
+191        "FMMI": "%-M",  # Minute
+192        "FMMM": "%-m",  # 1
+193        "FMSS": "%-S",  # Second
+194        "HH12": "%I",  # 09
+195        "HH24": "%H",  # 09
+196        "MI": "%M",  # zero padded minute
+197        "MM": "%m",  # 01
+198        "OF": "%z",  # utc offset
+199        "SS": "%S",  # zero padded second
+200        "TMDay": "%A",  # TM is locale dependent
+201        "TMDy": "%a",
+202        "TMMon": "%b",  # Sep
+203        "TMMonth": "%B",  # September
+204        "TZ": "%Z",  # uppercase timezone name
+205        "US": "%f",  # zero padded microsecond
+206        "WW": "%U",  # 1-based week of year
+207        "YY": "%y",  # 15
+208        "YYYY": "%Y",  # 2015
+209    }
+210
+211    class Tokenizer(tokens.Tokenizer):
+212        QUOTES = ["'", "$$"]
+213
+214        BIT_STRINGS = [("b'", "'"), ("B'", "'")]
+215        HEX_STRINGS = [("x'", "'"), ("X'", "'")]
+216        BYTE_STRINGS = [("e'", "'"), ("E'", "'")]
+217
+218        KEYWORDS = {
+219            **tokens.Tokenizer.KEYWORDS,
+220            "~~": TokenType.LIKE,
+221            "~~*": TokenType.ILIKE,
+222            "~*": TokenType.IRLIKE,
+223            "~": TokenType.RLIKE,
+224            "@>": TokenType.AT_GT,
+225            "<@": TokenType.LT_AT,
+226            "BEGIN": TokenType.COMMAND,
+227            "BEGIN TRANSACTION": TokenType.BEGIN,
+228            "BIGSERIAL": TokenType.BIGSERIAL,
+229            "CHARACTER VARYING": TokenType.VARCHAR,
+230            "DECLARE": TokenType.COMMAND,
+231            "DO": TokenType.COMMAND,
+232            "HSTORE": TokenType.HSTORE,
+233            "JSONB": TokenType.JSONB,
+234            "REFRESH": TokenType.COMMAND,
+235            "REINDEX": TokenType.COMMAND,
+236            "RESET": TokenType.COMMAND,
+237            "RETURNING": TokenType.RETURNING,
+238            "REVOKE": TokenType.COMMAND,
+239            "SERIAL": TokenType.SERIAL,
+240            "SMALLSERIAL": TokenType.SMALLSERIAL,
+241            "TEMP": TokenType.TEMPORARY,
+242            "CSTRING": TokenType.PSEUDO_TYPE,
+243        }
+244
+245        SINGLE_TOKENS = {
+246            **tokens.Tokenizer.SINGLE_TOKENS,
+247            "$": TokenType.PARAMETER,
+248        }
+249
+250        VAR_SINGLE_TOKENS = {"$"}
+251
+252    class Parser(parser.Parser):
+253        STRICT_CAST = False
+254
+255        FUNCTIONS = {
+256            **parser.Parser.FUNCTIONS,  # type: ignore
+257            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
+258                this=seq_get(args, 1), unit=seq_get(args, 0)
+259            ),
+260            "GENERATE_SERIES": _generate_series,
+261            "NOW": exp.CurrentTimestamp.from_arg_list,
+262            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
+263            "TO_TIMESTAMP": _to_timestamp,
+264        }
+265
+266        FUNCTION_PARSERS = {
+267            **parser.Parser.FUNCTION_PARSERS,
+268            "DATE_PART": lambda self: self._parse_date_part(),
+269        }
+270
+271        BITWISE = {
+272            **parser.Parser.BITWISE,  # type: ignore
+273            TokenType.HASH: exp.BitwiseXor,
+274        }
+275
+276        FACTOR = {
+277            **parser.Parser.FACTOR,
+278            TokenType.CARET: exp.Pow,
+279        }
+280
+281        RANGE_PARSERS = {
+282            **parser.Parser.RANGE_PARSERS,  # type: ignore
+283            TokenType.DAMP: binary_range_parser(exp.ArrayOverlaps),
+284            TokenType.AT_GT: binary_range_parser(exp.ArrayContains),
+285            TokenType.LT_AT: binary_range_parser(exp.ArrayContained),
+286        }
+287
+288        def _parse_date_part(self) -> exp.Expression:
+289            part = self._parse_type()
+290            self._match(TokenType.COMMA)
+291            value = self._parse_bitwise()
+292
+293            if part and part.is_string:
+294                part = exp.Var(this=part.name)
+295
+296            return self.expression(exp.Extract, this=part, expression=value)
+297
+298    class Generator(generator.Generator):
+299        INTERVAL_ALLOWS_PLURAL_FORM = False
+300        LOCKING_READS_SUPPORTED = True
+301        JOIN_HINTS = False
+302        TABLE_HINTS = False
+303        PARAMETER_TOKEN = "$"
+304
+305        TYPE_MAPPING = {
+306            **generator.Generator.TYPE_MAPPING,  # type: ignore
+307            exp.DataType.Type.TINYINT: "SMALLINT",
+308            exp.DataType.Type.FLOAT: "REAL",
+309            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+310            exp.DataType.Type.BINARY: "BYTEA",
+311            exp.DataType.Type.VARBINARY: "BYTEA",
+312            exp.DataType.Type.DATETIME: "TIMESTAMP",
+313        }
+314
+315        TRANSFORMS = {
+316            **generator.Generator.TRANSFORMS,  # type: ignore
+317            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
+318            exp.ColumnDef: transforms.preprocess(
+319                [
+320                    _auto_increment_to_serial,
+321                    _serial_to_generated,
+322                ],
+323            ),
+324            exp.JSONExtract: arrow_json_extract_sql,
+325            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+326            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
+327            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
+328            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
+329            exp.Pow: lambda self, e: self.binary(e, "^"),
+330            exp.CurrentDate: no_paren_current_date_sql,
+331            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+332            exp.DateAdd: _date_add_sql("+"),
+333            exp.DateStrToDate: datestrtodate_sql,
+334            exp.DateSub: _date_add_sql("-"),
+335            exp.DateDiff: _date_diff_sql,
+336            exp.LogicalOr: rename_func("BOOL_OR"),
+337            exp.LogicalAnd: rename_func("BOOL_AND"),
+338            exp.Max: max_or_greatest,
+339            exp.Min: min_or_least,
+340            exp.ArrayOverlaps: lambda self, e: self.binary(e, "&&"),
+341            exp.ArrayContains: lambda self, e: self.binary(e, "@>"),
+342            exp.ArrayContained: lambda self, e: self.binary(e, "<@"),
+343            exp.Merge: transforms.preprocess([transforms.remove_target_from_merge]),
+344            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
+345            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
+346            exp.StrPosition: str_position_sql,
+347            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+348            exp.Substring: _substring_sql,
+349            exp.TimestampTrunc: timestamptrunc_sql,
+350            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
+351            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+352            exp.TableSample: no_tablesample_sql,
+353            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+354            exp.Trim: trim_sql,
+355            exp.TryCast: no_trycast_sql,
+356            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
+357            exp.DataType: _datatype_sql,
+358            exp.GroupConcat: _string_agg_sql,
+359            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
+360            if isinstance(seq_get(e.expressions, 0), exp.Select)
+361            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
+362        }
+363
+364        PROPERTIES_LOCATION = {
+365            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+366            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
+367            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+368        }
 
    
 
 
@@ -461,197 +460,197 @@
    - 
    180class Postgres(Dialect):
-181    null_ordering = "nulls_are_large"
-182    time_format = "'YYYY-MM-DD HH24:MI:SS'"
-183    time_mapping = {
-184        "AM": "%p",
-185        "PM": "%p",
-186        "D": "%u",  # 1-based day of week
-187        "DD": "%d",  # day of month
-188        "DDD": "%j",  # zero padded day of year
-189        "FMDD": "%-d",  # - is no leading zero for Python; same for FM in postgres
-190        "FMDDD": "%-j",  # day of year
-191        "FMHH12": "%-I",  # 9
-192        "FMHH24": "%-H",  # 9
-193        "FMMI": "%-M",  # Minute
-194        "FMMM": "%-m",  # 1
-195        "FMSS": "%-S",  # Second
-196        "HH12": "%I",  # 09
-197        "HH24": "%H",  # 09
-198        "MI": "%M",  # zero padded minute
-199        "MM": "%m",  # 01
-200        "OF": "%z",  # utc offset
-201        "SS": "%S",  # zero padded second
-202        "TMDay": "%A",  # TM is locale dependent
-203        "TMDy": "%a",
-204        "TMMon": "%b",  # Sep
-205        "TMMonth": "%B",  # September
-206        "TZ": "%Z",  # uppercase timezone name
-207        "US": "%f",  # zero padded microsecond
-208        "WW": "%U",  # 1-based week of year
-209        "YY": "%y",  # 15
-210        "YYYY": "%Y",  # 2015
-211    }
-212
-213    class Tokenizer(tokens.Tokenizer):
-214        QUOTES = ["'", "$$"]
-215
-216        BIT_STRINGS = [("b'", "'"), ("B'", "'")]
-217        HEX_STRINGS = [("x'", "'"), ("X'", "'")]
-218        BYTE_STRINGS = [("e'", "'"), ("E'", "'")]
-219
-220        KEYWORDS = {
-221            **tokens.Tokenizer.KEYWORDS,
-222            "~~": TokenType.LIKE,
-223            "~~*": TokenType.ILIKE,
-224            "~*": TokenType.IRLIKE,
-225            "~": TokenType.RLIKE,
-226            "@>": TokenType.AT_GT,
-227            "<@": TokenType.LT_AT,
-228            "BEGIN": TokenType.COMMAND,
-229            "BEGIN TRANSACTION": TokenType.BEGIN,
-230            "BIGSERIAL": TokenType.BIGSERIAL,
-231            "CHARACTER VARYING": TokenType.VARCHAR,
-232            "DECLARE": TokenType.COMMAND,
-233            "DO": TokenType.COMMAND,
-234            "HSTORE": TokenType.HSTORE,
-235            "JSONB": TokenType.JSONB,
-236            "REFRESH": TokenType.COMMAND,
-237            "REINDEX": TokenType.COMMAND,
-238            "RESET": TokenType.COMMAND,
-239            "RETURNING": TokenType.RETURNING,
-240            "REVOKE": TokenType.COMMAND,
-241            "SERIAL": TokenType.SERIAL,
-242            "SMALLSERIAL": TokenType.SMALLSERIAL,
-243            "TEMP": TokenType.TEMPORARY,
-244            "CSTRING": TokenType.PSEUDO_TYPE,
-245        }
-246
-247        SINGLE_TOKENS = {
-248            **tokens.Tokenizer.SINGLE_TOKENS,
-249            "$": TokenType.PARAMETER,
-250        }
-251
-252        VAR_SINGLE_TOKENS = {"$"}
-253
-254    class Parser(parser.Parser):
-255        STRICT_CAST = False
-256
-257        FUNCTIONS = {
-258            **parser.Parser.FUNCTIONS,  # type: ignore
-259            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
-260                this=seq_get(args, 1), unit=seq_get(args, 0)
-261            ),
-262            "GENERATE_SERIES": _generate_series,
-263            "NOW": exp.CurrentTimestamp.from_arg_list,
-264            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
-265            "TO_TIMESTAMP": _to_timestamp,
-266        }
-267
-268        FUNCTION_PARSERS = {
-269            **parser.Parser.FUNCTION_PARSERS,
-270            "DATE_PART": lambda self: self._parse_date_part(),
-271        }
-272
-273        BITWISE = {
-274            **parser.Parser.BITWISE,  # type: ignore
-275            TokenType.HASH: exp.BitwiseXor,
-276        }
-277
-278        FACTOR = {
-279            **parser.Parser.FACTOR,
-280            TokenType.CARET: exp.Pow,
-281        }
-282
-283        RANGE_PARSERS = {
-284            **parser.Parser.RANGE_PARSERS,  # type: ignore
-285            TokenType.DAMP: binary_range_parser(exp.ArrayOverlaps),
-286            TokenType.AT_GT: binary_range_parser(exp.ArrayContains),
-287            TokenType.LT_AT: binary_range_parser(exp.ArrayContained),
-288        }
-289
-290        def _parse_date_part(self) -> exp.Expression:
-291            part = self._parse_type()
-292            self._match(TokenType.COMMA)
-293            value = self._parse_bitwise()
-294
-295            if part and part.is_string:
-296                part = exp.Var(this=part.name)
-297
-298            return self.expression(exp.Extract, this=part, expression=value)
-299
-300    class Generator(generator.Generator):
-301        INTERVAL_ALLOWS_PLURAL_FORM = False
-302        LOCKING_READS_SUPPORTED = True
-303        JOIN_HINTS = False
-304        TABLE_HINTS = False
-305        PARAMETER_TOKEN = "$"
-306
-307        TYPE_MAPPING = {
-308            **generator.Generator.TYPE_MAPPING,  # type: ignore
-309            exp.DataType.Type.TINYINT: "SMALLINT",
-310            exp.DataType.Type.FLOAT: "REAL",
-311            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
-312            exp.DataType.Type.BINARY: "BYTEA",
-313            exp.DataType.Type.VARBINARY: "BYTEA",
-314            exp.DataType.Type.DATETIME: "TIMESTAMP",
-315        }
-316
-317        TRANSFORMS = {
-318            **generator.Generator.TRANSFORMS,  # type: ignore
-319            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
-320            exp.ColumnDef: preprocess(
-321                [
-322                    _auto_increment_to_serial,
-323                    _serial_to_generated,
-324                ],
-325            ),
-326            exp.JSONExtract: arrow_json_extract_sql,
-327            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-328            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
-329            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
-330            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
-331            exp.Pow: lambda self, e: self.binary(e, "^"),
-332            exp.CurrentDate: no_paren_current_date_sql,
-333            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
-334            exp.DateAdd: _date_add_sql("+"),
-335            exp.DateStrToDate: datestrtodate_sql,
-336            exp.DateSub: _date_add_sql("-"),
-337            exp.DateDiff: _date_diff_sql,
-338            exp.LogicalOr: rename_func("BOOL_OR"),
-339            exp.LogicalAnd: rename_func("BOOL_AND"),
-340            exp.Max: max_or_greatest,
-341            exp.Min: min_or_least,
-342            exp.ArrayOverlaps: lambda self, e: self.binary(e, "&&"),
-343            exp.ArrayContains: lambda self, e: self.binary(e, "@>"),
-344            exp.ArrayContained: lambda self, e: self.binary(e, "<@"),
-345            exp.Merge: preprocess([remove_target_from_merge]),
-346            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
-347            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
-348            exp.StrPosition: str_position_sql,
-349            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-350            exp.Substring: _substring_sql,
-351            exp.TimestampTrunc: timestamptrunc_sql,
-352            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
-353            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-354            exp.TableSample: no_tablesample_sql,
-355            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-356            exp.Trim: trim_sql,
-357            exp.TryCast: no_trycast_sql,
-358            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
-359            exp.DataType: _datatype_sql,
-360            exp.GroupConcat: _string_agg_sql,
-361            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
-362            if isinstance(seq_get(e.expressions, 0), exp.Select)
-363            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
-364        }
-365
-366        PROPERTIES_LOCATION = {
-367            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-368            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
-369            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-370        }
+            
    179class Postgres(Dialect):
+180    null_ordering = "nulls_are_large"
+181    time_format = "'YYYY-MM-DD HH24:MI:SS'"
+182    time_mapping = {
+183        "AM": "%p",
+184        "PM": "%p",
+185        "D": "%u",  # 1-based day of week
+186        "DD": "%d",  # day of month
+187        "DDD": "%j",  # zero padded day of year
+188        "FMDD": "%-d",  # - is no leading zero for Python; same for FM in postgres
+189        "FMDDD": "%-j",  # day of year
+190        "FMHH12": "%-I",  # 9
+191        "FMHH24": "%-H",  # 9
+192        "FMMI": "%-M",  # Minute
+193        "FMMM": "%-m",  # 1
+194        "FMSS": "%-S",  # Second
+195        "HH12": "%I",  # 09
+196        "HH24": "%H",  # 09
+197        "MI": "%M",  # zero padded minute
+198        "MM": "%m",  # 01
+199        "OF": "%z",  # utc offset
+200        "SS": "%S",  # zero padded second
+201        "TMDay": "%A",  # TM is locale dependent
+202        "TMDy": "%a",
+203        "TMMon": "%b",  # Sep
+204        "TMMonth": "%B",  # September
+205        "TZ": "%Z",  # uppercase timezone name
+206        "US": "%f",  # zero padded microsecond
+207        "WW": "%U",  # 1-based week of year
+208        "YY": "%y",  # 15
+209        "YYYY": "%Y",  # 2015
+210    }
+211
+212    class Tokenizer(tokens.Tokenizer):
+213        QUOTES = ["'", "$$"]
+214
+215        BIT_STRINGS = [("b'", "'"), ("B'", "'")]
+216        HEX_STRINGS = [("x'", "'"), ("X'", "'")]
+217        BYTE_STRINGS = [("e'", "'"), ("E'", "'")]
+218
+219        KEYWORDS = {
+220            **tokens.Tokenizer.KEYWORDS,
+221            "~~": TokenType.LIKE,
+222            "~~*": TokenType.ILIKE,
+223            "~*": TokenType.IRLIKE,
+224            "~": TokenType.RLIKE,
+225            "@>": TokenType.AT_GT,
+226            "<@": TokenType.LT_AT,
+227            "BEGIN": TokenType.COMMAND,
+228            "BEGIN TRANSACTION": TokenType.BEGIN,
+229            "BIGSERIAL": TokenType.BIGSERIAL,
+230            "CHARACTER VARYING": TokenType.VARCHAR,
+231            "DECLARE": TokenType.COMMAND,
+232            "DO": TokenType.COMMAND,
+233            "HSTORE": TokenType.HSTORE,
+234            "JSONB": TokenType.JSONB,
+235            "REFRESH": TokenType.COMMAND,
+236            "REINDEX": TokenType.COMMAND,
+237            "RESET": TokenType.COMMAND,
+238            "RETURNING": TokenType.RETURNING,
+239            "REVOKE": TokenType.COMMAND,
+240            "SERIAL": TokenType.SERIAL,
+241            "SMALLSERIAL": TokenType.SMALLSERIAL,
+242            "TEMP": TokenType.TEMPORARY,
+243            "CSTRING": TokenType.PSEUDO_TYPE,
+244        }
+245
+246        SINGLE_TOKENS = {
+247            **tokens.Tokenizer.SINGLE_TOKENS,
+248            "$": TokenType.PARAMETER,
+249        }
+250
+251        VAR_SINGLE_TOKENS = {"$"}
+252
+253    class Parser(parser.Parser):
+254        STRICT_CAST = False
+255
+256        FUNCTIONS = {
+257            **parser.Parser.FUNCTIONS,  # type: ignore
+258            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
+259                this=seq_get(args, 1), unit=seq_get(args, 0)
+260            ),
+261            "GENERATE_SERIES": _generate_series,
+262            "NOW": exp.CurrentTimestamp.from_arg_list,
+263            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
+264            "TO_TIMESTAMP": _to_timestamp,
+265        }
+266
+267        FUNCTION_PARSERS = {
+268            **parser.Parser.FUNCTION_PARSERS,
+269            "DATE_PART": lambda self: self._parse_date_part(),
+270        }
+271
+272        BITWISE = {
+273            **parser.Parser.BITWISE,  # type: ignore
+274            TokenType.HASH: exp.BitwiseXor,
+275        }
+276
+277        FACTOR = {
+278            **parser.Parser.FACTOR,
+279            TokenType.CARET: exp.Pow,
+280        }
+281
+282        RANGE_PARSERS = {
+283            **parser.Parser.RANGE_PARSERS,  # type: ignore
+284            TokenType.DAMP: binary_range_parser(exp.ArrayOverlaps),
+285            TokenType.AT_GT: binary_range_parser(exp.ArrayContains),
+286            TokenType.LT_AT: binary_range_parser(exp.ArrayContained),
+287        }
+288
+289        def _parse_date_part(self) -> exp.Expression:
+290            part = self._parse_type()
+291            self._match(TokenType.COMMA)
+292            value = self._parse_bitwise()
+293
+294            if part and part.is_string:
+295                part = exp.Var(this=part.name)
+296
+297            return self.expression(exp.Extract, this=part, expression=value)
+298
+299    class Generator(generator.Generator):
+300        INTERVAL_ALLOWS_PLURAL_FORM = False
+301        LOCKING_READS_SUPPORTED = True
+302        JOIN_HINTS = False
+303        TABLE_HINTS = False
+304        PARAMETER_TOKEN = "$"
+305
+306        TYPE_MAPPING = {
+307            **generator.Generator.TYPE_MAPPING,  # type: ignore
+308            exp.DataType.Type.TINYINT: "SMALLINT",
+309            exp.DataType.Type.FLOAT: "REAL",
+310            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+311            exp.DataType.Type.BINARY: "BYTEA",
+312            exp.DataType.Type.VARBINARY: "BYTEA",
+313            exp.DataType.Type.DATETIME: "TIMESTAMP",
+314        }
+315
+316        TRANSFORMS = {
+317            **generator.Generator.TRANSFORMS,  # type: ignore
+318            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
+319            exp.ColumnDef: transforms.preprocess(
+320                [
+321                    _auto_increment_to_serial,
+322                    _serial_to_generated,
+323                ],
+324            ),
+325            exp.JSONExtract: arrow_json_extract_sql,
+326            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+327            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
+328            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
+329            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
+330            exp.Pow: lambda self, e: self.binary(e, "^"),
+331            exp.CurrentDate: no_paren_current_date_sql,
+332            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+333            exp.DateAdd: _date_add_sql("+"),
+334            exp.DateStrToDate: datestrtodate_sql,
+335            exp.DateSub: _date_add_sql("-"),
+336            exp.DateDiff: _date_diff_sql,
+337            exp.LogicalOr: rename_func("BOOL_OR"),
+338            exp.LogicalAnd: rename_func("BOOL_AND"),
+339            exp.Max: max_or_greatest,
+340            exp.Min: min_or_least,
+341            exp.ArrayOverlaps: lambda self, e: self.binary(e, "&&"),
+342            exp.ArrayContains: lambda self, e: self.binary(e, "@>"),
+343            exp.ArrayContained: lambda self, e: self.binary(e, "<@"),
+344            exp.Merge: transforms.preprocess([transforms.remove_target_from_merge]),
+345            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
+346            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
+347            exp.StrPosition: str_position_sql,
+348            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+349            exp.Substring: _substring_sql,
+350            exp.TimestampTrunc: timestamptrunc_sql,
+351            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
+352            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+353            exp.TableSample: no_tablesample_sql,
+354            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+355            exp.Trim: trim_sql,
+356            exp.TryCast: no_trycast_sql,
+357            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
+358            exp.DataType: _datatype_sql,
+359            exp.GroupConcat: _string_agg_sql,
+360            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
+361            if isinstance(seq_get(e.expressions, 0), exp.Select)
+362            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
+363        }
+364
+365        PROPERTIES_LOCATION = {
+366            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+367            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
+368            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+369        }
 
    
 
 
@@ -686,46 +685,46 @@
    - 
    213    class Tokenizer(tokens.Tokenizer):
-214        QUOTES = ["'", "$$"]
-215
-216        BIT_STRINGS = [("b'", "'"), ("B'", "'")]
-217        HEX_STRINGS = [("x'", "'"), ("X'", "'")]
-218        BYTE_STRINGS = [("e'", "'"), ("E'", "'")]
-219
-220        KEYWORDS = {
-221            **tokens.Tokenizer.KEYWORDS,
-222            "~~": TokenType.LIKE,
-223            "~~*": TokenType.ILIKE,
-224            "~*": TokenType.IRLIKE,
-225            "~": TokenType.RLIKE,
-226            "@>": TokenType.AT_GT,
-227            "<@": TokenType.LT_AT,
-228            "BEGIN": TokenType.COMMAND,
-229            "BEGIN TRANSACTION": TokenType.BEGIN,
-230            "BIGSERIAL": TokenType.BIGSERIAL,
-231            "CHARACTER VARYING": TokenType.VARCHAR,
-232            "DECLARE": TokenType.COMMAND,
-233            "DO": TokenType.COMMAND,
-234            "HSTORE": TokenType.HSTORE,
-235            "JSONB": TokenType.JSONB,
-236            "REFRESH": TokenType.COMMAND,
-237            "REINDEX": TokenType.COMMAND,
-238            "RESET": TokenType.COMMAND,
-239            "RETURNING": TokenType.RETURNING,
-240            "REVOKE": TokenType.COMMAND,
-241            "SERIAL": TokenType.SERIAL,
-242            "SMALLSERIAL": TokenType.SMALLSERIAL,
-243            "TEMP": TokenType.TEMPORARY,
-244            "CSTRING": TokenType.PSEUDO_TYPE,
-245        }
-246
-247        SINGLE_TOKENS = {
-248            **tokens.Tokenizer.SINGLE_TOKENS,
-249            "$": TokenType.PARAMETER,
-250        }
-251
-252        VAR_SINGLE_TOKENS = {"$"}
+            
    212    class Tokenizer(tokens.Tokenizer):
+213        QUOTES = ["'", "$$"]
+214
+215        BIT_STRINGS = [("b'", "'"), ("B'", "'")]
+216        HEX_STRINGS = [("x'", "'"), ("X'", "'")]
+217        BYTE_STRINGS = [("e'", "'"), ("E'", "'")]
+218
+219        KEYWORDS = {
+220            **tokens.Tokenizer.KEYWORDS,
+221            "~~": TokenType.LIKE,
+222            "~~*": TokenType.ILIKE,
+223            "~*": TokenType.IRLIKE,
+224            "~": TokenType.RLIKE,
+225            "@>": TokenType.AT_GT,
+226            "<@": TokenType.LT_AT,
+227            "BEGIN": TokenType.COMMAND,
+228            "BEGIN TRANSACTION": TokenType.BEGIN,
+229            "BIGSERIAL": TokenType.BIGSERIAL,
+230            "CHARACTER VARYING": TokenType.VARCHAR,
+231            "DECLARE": TokenType.COMMAND,
+232            "DO": TokenType.COMMAND,
+233            "HSTORE": TokenType.HSTORE,
+234            "JSONB": TokenType.JSONB,
+235            "REFRESH": TokenType.COMMAND,
+236            "REINDEX": TokenType.COMMAND,
+237            "RESET": TokenType.COMMAND,
+238            "RETURNING": TokenType.RETURNING,
+239            "REVOKE": TokenType.COMMAND,
+240            "SERIAL": TokenType.SERIAL,
+241            "SMALLSERIAL": TokenType.SMALLSERIAL,
+242            "TEMP": TokenType.TEMPORARY,
+243            "CSTRING": TokenType.PSEUDO_TYPE,
+244        }
+245
+246        SINGLE_TOKENS = {
+247            **tokens.Tokenizer.SINGLE_TOKENS,
+248            "$": TokenType.PARAMETER,
+249        }
+250
+251        VAR_SINGLE_TOKENS = {"$"}
 
    
 
 
@@ -753,51 +752,51 @@
    - 
    254    class Parser(parser.Parser):
-255        STRICT_CAST = False
-256
-257        FUNCTIONS = {
-258            **parser.Parser.FUNCTIONS,  # type: ignore
-259            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
-260                this=seq_get(args, 1), unit=seq_get(args, 0)
-261            ),
-262            "GENERATE_SERIES": _generate_series,
-263            "NOW": exp.CurrentTimestamp.from_arg_list,
-264            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
-265            "TO_TIMESTAMP": _to_timestamp,
-266        }
-267
-268        FUNCTION_PARSERS = {
-269            **parser.Parser.FUNCTION_PARSERS,
-270            "DATE_PART": lambda self: self._parse_date_part(),
-271        }
-272
-273        BITWISE = {
-274            **parser.Parser.BITWISE,  # type: ignore
-275            TokenType.HASH: exp.BitwiseXor,
-276        }
-277
-278        FACTOR = {
-279            **parser.Parser.FACTOR,
-280            TokenType.CARET: exp.Pow,
-281        }
-282
-283        RANGE_PARSERS = {
-284            **parser.Parser.RANGE_PARSERS,  # type: ignore
-285            TokenType.DAMP: binary_range_parser(exp.ArrayOverlaps),
-286            TokenType.AT_GT: binary_range_parser(exp.ArrayContains),
-287            TokenType.LT_AT: binary_range_parser(exp.ArrayContained),
-288        }
-289
-290        def _parse_date_part(self) -> exp.Expression:
-291            part = self._parse_type()
-292            self._match(TokenType.COMMA)
-293            value = self._parse_bitwise()
-294
-295            if part and part.is_string:
-296                part = exp.Var(this=part.name)
-297
-298            return self.expression(exp.Extract, this=part, expression=value)
+            
    253    class Parser(parser.Parser):
+254        STRICT_CAST = False
+255
+256        FUNCTIONS = {
+257            **parser.Parser.FUNCTIONS,  # type: ignore
+258            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
+259                this=seq_get(args, 1), unit=seq_get(args, 0)
+260            ),
+261            "GENERATE_SERIES": _generate_series,
+262            "NOW": exp.CurrentTimestamp.from_arg_list,
+263            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
+264            "TO_TIMESTAMP": _to_timestamp,
+265        }
+266
+267        FUNCTION_PARSERS = {
+268            **parser.Parser.FUNCTION_PARSERS,
+269            "DATE_PART": lambda self: self._parse_date_part(),
+270        }
+271
+272        BITWISE = {
+273            **parser.Parser.BITWISE,  # type: ignore
+274            TokenType.HASH: exp.BitwiseXor,
+275        }
+276
+277        FACTOR = {
+278            **parser.Parser.FACTOR,
+279            TokenType.CARET: exp.Pow,
+280        }
+281
+282        RANGE_PARSERS = {
+283            **parser.Parser.RANGE_PARSERS,  # type: ignore
+284            TokenType.DAMP: binary_range_parser(exp.ArrayOverlaps),
+285            TokenType.AT_GT: binary_range_parser(exp.ArrayContains),
+286            TokenType.LT_AT: binary_range_parser(exp.ArrayContained),
+287        }
+288
+289        def _parse_date_part(self) -> exp.Expression:
+290            part = self._parse_type()
+291            self._match(TokenType.COMMA)
+292            value = self._parse_bitwise()
+293
+294            if part and part.is_string:
+295                part = exp.Var(this=part.name)
+296
+297            return self.expression(exp.Extract, this=part, expression=value)
 
    
 
 
@@ -854,77 +853,77 @@ Default: "nulls_are_small"
    - 
    300    class Generator(generator.Generator):
-301        INTERVAL_ALLOWS_PLURAL_FORM = False
-302        LOCKING_READS_SUPPORTED = True
-303        JOIN_HINTS = False
-304        TABLE_HINTS = False
-305        PARAMETER_TOKEN = "$"
-306
-307        TYPE_MAPPING = {
-308            **generator.Generator.TYPE_MAPPING,  # type: ignore
-309            exp.DataType.Type.TINYINT: "SMALLINT",
-310            exp.DataType.Type.FLOAT: "REAL",
-311            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
-312            exp.DataType.Type.BINARY: "BYTEA",
-313            exp.DataType.Type.VARBINARY: "BYTEA",
-314            exp.DataType.Type.DATETIME: "TIMESTAMP",
-315        }
-316
-317        TRANSFORMS = {
-318            **generator.Generator.TRANSFORMS,  # type: ignore
-319            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
-320            exp.ColumnDef: preprocess(
-321                [
-322                    _auto_increment_to_serial,
-323                    _serial_to_generated,
-324                ],
-325            ),
-326            exp.JSONExtract: arrow_json_extract_sql,
-327            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-328            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
-329            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
-330            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
-331            exp.Pow: lambda self, e: self.binary(e, "^"),
-332            exp.CurrentDate: no_paren_current_date_sql,
-333            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
-334            exp.DateAdd: _date_add_sql("+"),
-335            exp.DateStrToDate: datestrtodate_sql,
-336            exp.DateSub: _date_add_sql("-"),
-337            exp.DateDiff: _date_diff_sql,
-338            exp.LogicalOr: rename_func("BOOL_OR"),
-339            exp.LogicalAnd: rename_func("BOOL_AND"),
-340            exp.Max: max_or_greatest,
-341            exp.Min: min_or_least,
-342            exp.ArrayOverlaps: lambda self, e: self.binary(e, "&&"),
-343            exp.ArrayContains: lambda self, e: self.binary(e, "@>"),
-344            exp.ArrayContained: lambda self, e: self.binary(e, "<@"),
-345            exp.Merge: preprocess([remove_target_from_merge]),
-346            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
-347            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
-348            exp.StrPosition: str_position_sql,
-349            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-350            exp.Substring: _substring_sql,
-351            exp.TimestampTrunc: timestamptrunc_sql,
-352            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
-353            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-354            exp.TableSample: no_tablesample_sql,
-355            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-356            exp.Trim: trim_sql,
-357            exp.TryCast: no_trycast_sql,
-358            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
-359            exp.DataType: _datatype_sql,
-360            exp.GroupConcat: _string_agg_sql,
-361            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
-362            if isinstance(seq_get(e.expressions, 0), exp.Select)
-363            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
-364        }
-365
-366        PROPERTIES_LOCATION = {
-367            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-368            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
-369            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-370        }
+            
    299    class Generator(generator.Generator):
+300        INTERVAL_ALLOWS_PLURAL_FORM = False
+301        LOCKING_READS_SUPPORTED = True
+302        JOIN_HINTS = False
+303        TABLE_HINTS = False
+304        PARAMETER_TOKEN = "$"
+305
+306        TYPE_MAPPING = {
+307            **generator.Generator.TYPE_MAPPING,  # type: ignore
+308            exp.DataType.Type.TINYINT: "SMALLINT",
+309            exp.DataType.Type.FLOAT: "REAL",
+310            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+311            exp.DataType.Type.BINARY: "BYTEA",
+312            exp.DataType.Type.VARBINARY: "BYTEA",
+313            exp.DataType.Type.DATETIME: "TIMESTAMP",
+314        }
+315
+316        TRANSFORMS = {
+317            **generator.Generator.TRANSFORMS,  # type: ignore
+318            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
+319            exp.ColumnDef: transforms.preprocess(
+320                [
+321                    _auto_increment_to_serial,
+322                    _serial_to_generated,
+323                ],
+324            ),
+325            exp.JSONExtract: arrow_json_extract_sql,
+326            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+327            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
+328            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
+329            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
+330            exp.Pow: lambda self, e: self.binary(e, "^"),
+331            exp.CurrentDate: no_paren_current_date_sql,
+332            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+333            exp.DateAdd: _date_add_sql("+"),
+334            exp.DateStrToDate: datestrtodate_sql,
+335            exp.DateSub: _date_add_sql("-"),
+336            exp.DateDiff: _date_diff_sql,
+337            exp.LogicalOr: rename_func("BOOL_OR"),
+338            exp.LogicalAnd: rename_func("BOOL_AND"),
+339            exp.Max: max_or_greatest,
+340            exp.Min: min_or_least,
+341            exp.ArrayOverlaps: lambda self, e: self.binary(e, "&&"),
+342            exp.ArrayContains: lambda self, e: self.binary(e, "@>"),
+343            exp.ArrayContained: lambda self, e: self.binary(e, "<@"),
+344            exp.Merge: transforms.preprocess([transforms.remove_target_from_merge]),
+345            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
+346            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
+347            exp.StrPosition: str_position_sql,
+348            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+349            exp.Substring: _substring_sql,
+350            exp.TimestampTrunc: timestamptrunc_sql,
+351            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
+352            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+353            exp.TableSample: no_tablesample_sql,
+354            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+355            exp.Trim: trim_sql,
+356            exp.TryCast: no_trycast_sql,
+357            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
+358            exp.DataType: _datatype_sql,
+359            exp.GroupConcat: _string_agg_sql,
+360            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
+361            if isinstance(seq_get(e.expressions, 0), exp.Select)
+362            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
+363        }
+364
+365        PROPERTIES_LOCATION = {
+366            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+367            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
+368            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+369        }
 
    
 
 
@@ -1096,7 +1095,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -1105,6 +1104,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/presto.html b/docs/sqlglot/dialects/presto.html
index d78e456..a09aab9 100644
--- a/docs/sqlglot/dialects/presto.html
+++ b/docs/sqlglot/dialects/presto.html
@@ -215,7 +215,7 @@
     130def _sequence_sql(self: generator.Generator, expression: exp.GenerateSeries) -> str:
 131    start = expression.args["start"]
 132    end = expression.args["end"]
-133    step = expression.args.get("step", 1)  # Postgres defaults to 1 for generate_series
+133    step = expression.args.get("step")
 134
 135    target_type = None
 136
@@ -232,198 +232,207 @@
 147        else:
 148            start = exp.Cast(this=start, to=to)
 149
-150    return self.func("SEQUENCE", start, end, step)
-151
-152
-153def _ensure_utf8(charset: exp.Literal) -> None:
-154    if charset.name.lower() != "utf-8":
-155        raise UnsupportedError(f"Unsupported charset {charset}")
+150    sql = self.func("SEQUENCE", start, end, step)
+151    if isinstance(expression.parent, exp.Table):
+152        sql = f"UNNEST({sql})"
+153
+154    return sql
+155
 156
-157
-158def _approx_percentile(args: t.Sequence) -> exp.Expression:
-159    if len(args) == 4:
-160        return exp.ApproxQuantile(
-161            this=seq_get(args, 0),
-162            weight=seq_get(args, 1),
-163            quantile=seq_get(args, 2),
-164            accuracy=seq_get(args, 3),
-165        )
-166    if len(args) == 3:
-167        return exp.ApproxQuantile(
-168            this=seq_get(args, 0),
-169            quantile=seq_get(args, 1),
-170            accuracy=seq_get(args, 2),
-171        )
-172    return exp.ApproxQuantile.from_arg_list(args)
-173
-174
-175def _from_unixtime(args: t.Sequence) -> exp.Expression:
-176    if len(args) == 3:
-177        return exp.UnixToTime(
-178            this=seq_get(args, 0),
-179            hours=seq_get(args, 1),
-180            minutes=seq_get(args, 2),
-181        )
-182    if len(args) == 2:
-183        return exp.UnixToTime(
-184            this=seq_get(args, 0),
-185            zone=seq_get(args, 1),
-186        )
-187    return exp.UnixToTime.from_arg_list(args)
-188
-189
-190class Presto(Dialect):
-191    index_offset = 1
-192    null_ordering = "nulls_are_last"
-193    time_format = MySQL.time_format  # type: ignore
-194    time_mapping = MySQL.time_mapping  # type: ignore
-195
-196    class Tokenizer(tokens.Tokenizer):
-197        KEYWORDS = {
-198            **tokens.Tokenizer.KEYWORDS,
-199            "START": TokenType.BEGIN,
-200            "ROW": TokenType.STRUCT,
-201        }
-202
-203    class Parser(parser.Parser):
-204        FUNCTIONS = {
-205            **parser.Parser.FUNCTIONS,  # type: ignore
-206            "APPROX_DISTINCT": exp.ApproxDistinct.from_arg_list,
-207            "CARDINALITY": exp.ArraySize.from_arg_list,
-208            "CONTAINS": exp.ArrayContains.from_arg_list,
-209            "DATE_ADD": lambda args: exp.DateAdd(
-210                this=seq_get(args, 2),
-211                expression=seq_get(args, 1),
-212                unit=seq_get(args, 0),
-213            ),
-214            "DATE_DIFF": lambda args: exp.DateDiff(
+157def _ensure_utf8(charset: exp.Literal) -> None:
+158    if charset.name.lower() != "utf-8":
+159        raise UnsupportedError(f"Unsupported charset {charset}")
+160
+161
+162def _approx_percentile(args: t.Sequence) -> exp.Expression:
+163    if len(args) == 4:
+164        return exp.ApproxQuantile(
+165            this=seq_get(args, 0),
+166            weight=seq_get(args, 1),
+167            quantile=seq_get(args, 2),
+168            accuracy=seq_get(args, 3),
+169        )
+170    if len(args) == 3:
+171        return exp.ApproxQuantile(
+172            this=seq_get(args, 0),
+173            quantile=seq_get(args, 1),
+174            accuracy=seq_get(args, 2),
+175        )
+176    return exp.ApproxQuantile.from_arg_list(args)
+177
+178
+179def _from_unixtime(args: t.Sequence) -> exp.Expression:
+180    if len(args) == 3:
+181        return exp.UnixToTime(
+182            this=seq_get(args, 0),
+183            hours=seq_get(args, 1),
+184            minutes=seq_get(args, 2),
+185        )
+186    if len(args) == 2:
+187        return exp.UnixToTime(
+188            this=seq_get(args, 0),
+189            zone=seq_get(args, 1),
+190        )
+191    return exp.UnixToTime.from_arg_list(args)
+192
+193
+194class Presto(Dialect):
+195    index_offset = 1
+196    null_ordering = "nulls_are_last"
+197    time_format = MySQL.time_format  # type: ignore
+198    time_mapping = MySQL.time_mapping  # type: ignore
+199
+200    class Tokenizer(tokens.Tokenizer):
+201        KEYWORDS = {
+202            **tokens.Tokenizer.KEYWORDS,
+203            "START": TokenType.BEGIN,
+204            "ROW": TokenType.STRUCT,
+205        }
+206
+207    class Parser(parser.Parser):
+208        FUNCTIONS = {
+209            **parser.Parser.FUNCTIONS,  # type: ignore
+210            "APPROX_DISTINCT": exp.ApproxDistinct.from_arg_list,
+211            "APPROX_PERCENTILE": _approx_percentile,
+212            "CARDINALITY": exp.ArraySize.from_arg_list,
+213            "CONTAINS": exp.ArrayContains.from_arg_list,
+214            "DATE_ADD": lambda args: exp.DateAdd(
 215                this=seq_get(args, 2),
 216                expression=seq_get(args, 1),
 217                unit=seq_get(args, 0),
 218            ),
-219            "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "presto"),
-220            "DATE_PARSE": format_time_lambda(exp.StrToTime, "presto"),
-221            "DATE_TRUNC": date_trunc_to_time,
-222            "FROM_UNIXTIME": _from_unixtime,
-223            "NOW": exp.CurrentTimestamp.from_arg_list,
-224            "STRPOS": lambda args: exp.StrPosition(
-225                this=seq_get(args, 0),
-226                substr=seq_get(args, 1),
-227                instance=seq_get(args, 2),
-228            ),
-229            "TO_UNIXTIME": exp.TimeToUnix.from_arg_list,
-230            "APPROX_PERCENTILE": _approx_percentile,
-231            "FROM_HEX": exp.Unhex.from_arg_list,
-232            "TO_HEX": exp.Hex.from_arg_list,
-233            "TO_UTF8": lambda args: exp.Encode(
-234                this=seq_get(args, 0), charset=exp.Literal.string("utf-8")
-235            ),
-236            "FROM_UTF8": lambda args: exp.Decode(
-237                this=seq_get(args, 0), replace=seq_get(args, 1), charset=exp.Literal.string("utf-8")
+219            "DATE_DIFF": lambda args: exp.DateDiff(
+220                this=seq_get(args, 2),
+221                expression=seq_get(args, 1),
+222                unit=seq_get(args, 0),
+223            ),
+224            "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "presto"),
+225            "DATE_PARSE": format_time_lambda(exp.StrToTime, "presto"),
+226            "DATE_TRUNC": date_trunc_to_time,
+227            "FROM_HEX": exp.Unhex.from_arg_list,
+228            "FROM_UNIXTIME": _from_unixtime,
+229            "FROM_UTF8": lambda args: exp.Decode(
+230                this=seq_get(args, 0), replace=seq_get(args, 1), charset=exp.Literal.string("utf-8")
+231            ),
+232            "NOW": exp.CurrentTimestamp.from_arg_list,
+233            "SEQUENCE": exp.GenerateSeries.from_arg_list,
+234            "STRPOS": lambda args: exp.StrPosition(
+235                this=seq_get(args, 0),
+236                substr=seq_get(args, 1),
+237                instance=seq_get(args, 2),
 238            ),
-239        }
-240        FUNCTION_PARSERS = parser.Parser.FUNCTION_PARSERS.copy()
-241        FUNCTION_PARSERS.pop("TRIM")
-242
-243    class Generator(generator.Generator):
-244        INTERVAL_ALLOWS_PLURAL_FORM = False
-245        JOIN_HINTS = False
-246        TABLE_HINTS = False
-247        STRUCT_DELIMITER = ("(", ")")
-248
-249        PROPERTIES_LOCATION = {
-250            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-251            exp.LocationProperty: exp.Properties.Location.UNSUPPORTED,
-252            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-253        }
-254
-255        TYPE_MAPPING = {
-256            **generator.Generator.TYPE_MAPPING,  # type: ignore
-257            exp.DataType.Type.INT: "INTEGER",
-258            exp.DataType.Type.FLOAT: "REAL",
-259            exp.DataType.Type.BINARY: "VARBINARY",
-260            exp.DataType.Type.TEXT: "VARCHAR",
-261            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
-262            exp.DataType.Type.STRUCT: "ROW",
-263        }
-264
-265        TRANSFORMS = {
-266            **generator.Generator.TRANSFORMS,  # type: ignore
-267            **transforms.UNALIAS_GROUP,  # type: ignore
-268            exp.ApproxDistinct: _approx_distinct_sql,
-269            exp.Array: lambda self, e: f"ARRAY[{self.expressions(e, flat=True)}]",
-270            exp.ArrayConcat: rename_func("CONCAT"),
-271            exp.ArrayContains: rename_func("CONTAINS"),
-272            exp.ArraySize: rename_func("CARDINALITY"),
-273            exp.BitwiseAnd: lambda self, e: f"BITWISE_AND({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-274            exp.BitwiseLeftShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_LEFT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-275            exp.BitwiseNot: lambda self, e: f"BITWISE_NOT({self.sql(e, 'this')})",
-276            exp.BitwiseOr: lambda self, e: f"BITWISE_OR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-277            exp.BitwiseRightShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_RIGHT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-278            exp.BitwiseXor: lambda self, e: f"BITWISE_XOR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-279            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
-280            exp.DataType: _datatype_sql,
-281            exp.DateAdd: lambda self, e: self.func(
-282                "DATE_ADD", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
-283            ),
-284            exp.DateDiff: lambda self, e: self.func(
-285                "DATE_DIFF", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
-286            ),
-287            exp.DateStrToDate: lambda self, e: f"CAST(DATE_PARSE({self.sql(e, 'this')}, {Presto.date_format}) AS DATE)",
-288            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Presto.dateint_format}) AS INT)",
-289            exp.Decode: _decode_sql,
-290            exp.DiToDate: lambda self, e: f"CAST(DATE_PARSE(CAST({self.sql(e, 'this')} AS VARCHAR), {Presto.dateint_format}) AS DATE)",
-291            exp.Encode: _encode_sql,
-292            exp.GenerateSeries: _sequence_sql,
-293            exp.Hex: rename_func("TO_HEX"),
-294            exp.If: if_sql,
-295            exp.ILike: no_ilike_sql,
-296            exp.Initcap: _initcap_sql,
-297            exp.Lateral: _explode_to_unnest_sql,
-298            exp.Levenshtein: rename_func("LEVENSHTEIN_DISTANCE"),
-299            exp.LogicalOr: rename_func("BOOL_OR"),
-300            exp.LogicalAnd: rename_func("BOOL_AND"),
-301            exp.Quantile: _quantile_sql,
-302            exp.ApproxQuantile: rename_func("APPROX_PERCENTILE"),
-303            exp.SafeDivide: no_safe_divide_sql,
-304            exp.Schema: _schema_sql,
-305            exp.Select: transforms.preprocess(
-306                [transforms.eliminate_qualify, transforms.explode_to_unnest]
-307            ),
-308            exp.SortArray: _no_sort_array,
-309            exp.StrPosition: rename_func("STRPOS"),
-310            exp.StrToDate: lambda self, e: f"CAST({_str_to_time_sql(self, e)} AS DATE)",
-311            exp.StrToTime: _str_to_time_sql,
-312            exp.StrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {self.format_time(e)}))",
-313            exp.StructExtract: struct_extract_sql,
-314            exp.TableFormatProperty: lambda self, e: f"TABLE_FORMAT='{e.name.upper()}'",
-315            exp.FileFormatProperty: lambda self, e: f"FORMAT='{e.name.upper()}'",
-316            exp.TimestampTrunc: timestamptrunc_sql,
-317            exp.TimeStrToDate: timestrtotime_sql,
-318            exp.TimeStrToTime: timestrtotime_sql,
-319            exp.TimeStrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {Presto.time_format}))",
-320            exp.TimeToStr: lambda self, e: f"DATE_FORMAT({self.sql(e, 'this')}, {self.format_time(e)})",
-321            exp.TimeToUnix: rename_func("TO_UNIXTIME"),
-322            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)",
-323            exp.TsOrDsAdd: _ts_or_ds_add_sql,
-324            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
-325            exp.Unhex: rename_func("FROM_HEX"),
-326            exp.UnixToStr: lambda self, e: f"DATE_FORMAT(FROM_UNIXTIME({self.sql(e, 'this')}), {self.format_time(e)})",
-327            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
-328            exp.UnixToTimeStr: lambda self, e: f"CAST(FROM_UNIXTIME({self.sql(e, 'this')}) AS VARCHAR)",
-329            exp.VariancePop: rename_func("VAR_POP"),
-330        }
-331
-332        def interval_sql(self, expression: exp.Interval) -> str:
-333            unit = self.sql(expression, "unit")
-334            if expression.this and unit.lower().startswith("week"):
-335                return f"({expression.this.name} * INTERVAL '7' day)"
-336            return super().interval_sql(expression)
-337
-338        def transaction_sql(self, expression: exp.Transaction) -> str:
-339            modes = expression.args.get("modes")
-340            modes = f" {', '.join(modes)}" if modes else ""
-341            return f"START TRANSACTION{modes}"
+239            "TO_UNIXTIME": exp.TimeToUnix.from_arg_list,
+240            "TO_HEX": exp.Hex.from_arg_list,
+241            "TO_UTF8": lambda args: exp.Encode(
+242                this=seq_get(args, 0), charset=exp.Literal.string("utf-8")
+243            ),
+244        }
+245        FUNCTION_PARSERS = parser.Parser.FUNCTION_PARSERS.copy()
+246        FUNCTION_PARSERS.pop("TRIM")
+247
+248    class Generator(generator.Generator):
+249        INTERVAL_ALLOWS_PLURAL_FORM = False
+250        JOIN_HINTS = False
+251        TABLE_HINTS = False
+252        STRUCT_DELIMITER = ("(", ")")
+253
+254        PROPERTIES_LOCATION = {
+255            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+256            exp.LocationProperty: exp.Properties.Location.UNSUPPORTED,
+257            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+258        }
+259
+260        TYPE_MAPPING = {
+261            **generator.Generator.TYPE_MAPPING,  # type: ignore
+262            exp.DataType.Type.INT: "INTEGER",
+263            exp.DataType.Type.FLOAT: "REAL",
+264            exp.DataType.Type.BINARY: "VARBINARY",
+265            exp.DataType.Type.TEXT: "VARCHAR",
+266            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
+267            exp.DataType.Type.STRUCT: "ROW",
+268        }
+269
+270        TRANSFORMS = {
+271            **generator.Generator.TRANSFORMS,  # type: ignore
+272            exp.ApproxDistinct: _approx_distinct_sql,
+273            exp.Array: lambda self, e: f"ARRAY[{self.expressions(e, flat=True)}]",
+274            exp.ArrayConcat: rename_func("CONCAT"),
+275            exp.ArrayContains: rename_func("CONTAINS"),
+276            exp.ArraySize: rename_func("CARDINALITY"),
+277            exp.BitwiseAnd: lambda self, e: f"BITWISE_AND({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+278            exp.BitwiseLeftShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_LEFT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+279            exp.BitwiseNot: lambda self, e: f"BITWISE_NOT({self.sql(e, 'this')})",
+280            exp.BitwiseOr: lambda self, e: f"BITWISE_OR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+281            exp.BitwiseRightShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_RIGHT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+282            exp.BitwiseXor: lambda self, e: f"BITWISE_XOR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+283            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+284            exp.DataType: _datatype_sql,
+285            exp.DateAdd: lambda self, e: self.func(
+286                "DATE_ADD", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
+287            ),
+288            exp.DateDiff: lambda self, e: self.func(
+289                "DATE_DIFF", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
+290            ),
+291            exp.DateStrToDate: lambda self, e: f"CAST(DATE_PARSE({self.sql(e, 'this')}, {Presto.date_format}) AS DATE)",
+292            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Presto.dateint_format}) AS INT)",
+293            exp.Decode: _decode_sql,
+294            exp.DiToDate: lambda self, e: f"CAST(DATE_PARSE(CAST({self.sql(e, 'this')} AS VARCHAR), {Presto.dateint_format}) AS DATE)",
+295            exp.Encode: _encode_sql,
+296            exp.GenerateSeries: _sequence_sql,
+297            exp.Group: transforms.preprocess([transforms.unalias_group]),
+298            exp.Hex: rename_func("TO_HEX"),
+299            exp.If: if_sql,
+300            exp.ILike: no_ilike_sql,
+301            exp.Initcap: _initcap_sql,
+302            exp.Lateral: _explode_to_unnest_sql,
+303            exp.Levenshtein: rename_func("LEVENSHTEIN_DISTANCE"),
+304            exp.LogicalOr: rename_func("BOOL_OR"),
+305            exp.LogicalAnd: rename_func("BOOL_AND"),
+306            exp.Quantile: _quantile_sql,
+307            exp.ApproxQuantile: rename_func("APPROX_PERCENTILE"),
+308            exp.SafeDivide: no_safe_divide_sql,
+309            exp.Schema: _schema_sql,
+310            exp.Select: transforms.preprocess(
+311                [
+312                    transforms.eliminate_qualify,
+313                    transforms.eliminate_distinct_on,
+314                    transforms.explode_to_unnest,
+315                ]
+316            ),
+317            exp.SortArray: _no_sort_array,
+318            exp.StrPosition: rename_func("STRPOS"),
+319            exp.StrToDate: lambda self, e: f"CAST({_str_to_time_sql(self, e)} AS DATE)",
+320            exp.StrToTime: _str_to_time_sql,
+321            exp.StrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {self.format_time(e)}))",
+322            exp.StructExtract: struct_extract_sql,
+323            exp.TableFormatProperty: lambda self, e: f"TABLE_FORMAT='{e.name.upper()}'",
+324            exp.FileFormatProperty: lambda self, e: f"FORMAT='{e.name.upper()}'",
+325            exp.TimestampTrunc: timestamptrunc_sql,
+326            exp.TimeStrToDate: timestrtotime_sql,
+327            exp.TimeStrToTime: timestrtotime_sql,
+328            exp.TimeStrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {Presto.time_format}))",
+329            exp.TimeToStr: lambda self, e: f"DATE_FORMAT({self.sql(e, 'this')}, {self.format_time(e)})",
+330            exp.TimeToUnix: rename_func("TO_UNIXTIME"),
+331            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)",
+332            exp.TsOrDsAdd: _ts_or_ds_add_sql,
+333            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
+334            exp.Unhex: rename_func("FROM_HEX"),
+335            exp.UnixToStr: lambda self, e: f"DATE_FORMAT(FROM_UNIXTIME({self.sql(e, 'this')}), {self.format_time(e)})",
+336            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
+337            exp.UnixToTimeStr: lambda self, e: f"CAST(FROM_UNIXTIME({self.sql(e, 'this')}) AS VARCHAR)",
+338            exp.VariancePop: rename_func("VAR_POP"),
+339        }
+340
+341        def interval_sql(self, expression: exp.Interval) -> str:
+342            unit = self.sql(expression, "unit")
+343            if expression.this and unit.lower().startswith("week"):
+344                return f"({expression.this.name} * INTERVAL '7' day)"
+345            return super().interval_sql(expression)
+346
+347        def transaction_sql(self, expression: exp.Transaction) -> str:
+348            modes = expression.args.get("modes")
+349            modes = f" {', '.join(modes)}" if modes else ""
+350            return f"START TRANSACTION{modes}"
    @@ -439,158 +448,163 @@ - 
    191class Presto(Dialect):
-192    index_offset = 1
-193    null_ordering = "nulls_are_last"
-194    time_format = MySQL.time_format  # type: ignore
-195    time_mapping = MySQL.time_mapping  # type: ignore
-196
-197    class Tokenizer(tokens.Tokenizer):
-198        KEYWORDS = {
-199            **tokens.Tokenizer.KEYWORDS,
-200            "START": TokenType.BEGIN,
-201            "ROW": TokenType.STRUCT,
-202        }
-203
-204    class Parser(parser.Parser):
-205        FUNCTIONS = {
-206            **parser.Parser.FUNCTIONS,  # type: ignore
-207            "APPROX_DISTINCT": exp.ApproxDistinct.from_arg_list,
-208            "CARDINALITY": exp.ArraySize.from_arg_list,
-209            "CONTAINS": exp.ArrayContains.from_arg_list,
-210            "DATE_ADD": lambda args: exp.DateAdd(
-211                this=seq_get(args, 2),
-212                expression=seq_get(args, 1),
-213                unit=seq_get(args, 0),
-214            ),
-215            "DATE_DIFF": lambda args: exp.DateDiff(
+            
    195class Presto(Dialect):
+196    index_offset = 1
+197    null_ordering = "nulls_are_last"
+198    time_format = MySQL.time_format  # type: ignore
+199    time_mapping = MySQL.time_mapping  # type: ignore
+200
+201    class Tokenizer(tokens.Tokenizer):
+202        KEYWORDS = {
+203            **tokens.Tokenizer.KEYWORDS,
+204            "START": TokenType.BEGIN,
+205            "ROW": TokenType.STRUCT,
+206        }
+207
+208    class Parser(parser.Parser):
+209        FUNCTIONS = {
+210            **parser.Parser.FUNCTIONS,  # type: ignore
+211            "APPROX_DISTINCT": exp.ApproxDistinct.from_arg_list,
+212            "APPROX_PERCENTILE": _approx_percentile,
+213            "CARDINALITY": exp.ArraySize.from_arg_list,
+214            "CONTAINS": exp.ArrayContains.from_arg_list,
+215            "DATE_ADD": lambda args: exp.DateAdd(
 216                this=seq_get(args, 2),
 217                expression=seq_get(args, 1),
 218                unit=seq_get(args, 0),
 219            ),
-220            "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "presto"),
-221            "DATE_PARSE": format_time_lambda(exp.StrToTime, "presto"),
-222            "DATE_TRUNC": date_trunc_to_time,
-223            "FROM_UNIXTIME": _from_unixtime,
-224            "NOW": exp.CurrentTimestamp.from_arg_list,
-225            "STRPOS": lambda args: exp.StrPosition(
-226                this=seq_get(args, 0),
-227                substr=seq_get(args, 1),
-228                instance=seq_get(args, 2),
-229            ),
-230            "TO_UNIXTIME": exp.TimeToUnix.from_arg_list,
-231            "APPROX_PERCENTILE": _approx_percentile,
-232            "FROM_HEX": exp.Unhex.from_arg_list,
-233            "TO_HEX": exp.Hex.from_arg_list,
-234            "TO_UTF8": lambda args: exp.Encode(
-235                this=seq_get(args, 0), charset=exp.Literal.string("utf-8")
-236            ),
-237            "FROM_UTF8": lambda args: exp.Decode(
-238                this=seq_get(args, 0), replace=seq_get(args, 1), charset=exp.Literal.string("utf-8")
+220            "DATE_DIFF": lambda args: exp.DateDiff(
+221                this=seq_get(args, 2),
+222                expression=seq_get(args, 1),
+223                unit=seq_get(args, 0),
+224            ),
+225            "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "presto"),
+226            "DATE_PARSE": format_time_lambda(exp.StrToTime, "presto"),
+227            "DATE_TRUNC": date_trunc_to_time,
+228            "FROM_HEX": exp.Unhex.from_arg_list,
+229            "FROM_UNIXTIME": _from_unixtime,
+230            "FROM_UTF8": lambda args: exp.Decode(
+231                this=seq_get(args, 0), replace=seq_get(args, 1), charset=exp.Literal.string("utf-8")
+232            ),
+233            "NOW": exp.CurrentTimestamp.from_arg_list,
+234            "SEQUENCE": exp.GenerateSeries.from_arg_list,
+235            "STRPOS": lambda args: exp.StrPosition(
+236                this=seq_get(args, 0),
+237                substr=seq_get(args, 1),
+238                instance=seq_get(args, 2),
 239            ),
-240        }
-241        FUNCTION_PARSERS = parser.Parser.FUNCTION_PARSERS.copy()
-242        FUNCTION_PARSERS.pop("TRIM")
-243
-244    class Generator(generator.Generator):
-245        INTERVAL_ALLOWS_PLURAL_FORM = False
-246        JOIN_HINTS = False
-247        TABLE_HINTS = False
-248        STRUCT_DELIMITER = ("(", ")")
-249
-250        PROPERTIES_LOCATION = {
-251            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-252            exp.LocationProperty: exp.Properties.Location.UNSUPPORTED,
-253            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-254        }
-255
-256        TYPE_MAPPING = {
-257            **generator.Generator.TYPE_MAPPING,  # type: ignore
-258            exp.DataType.Type.INT: "INTEGER",
-259            exp.DataType.Type.FLOAT: "REAL",
-260            exp.DataType.Type.BINARY: "VARBINARY",
-261            exp.DataType.Type.TEXT: "VARCHAR",
-262            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
-263            exp.DataType.Type.STRUCT: "ROW",
-264        }
-265
-266        TRANSFORMS = {
-267            **generator.Generator.TRANSFORMS,  # type: ignore
-268            **transforms.UNALIAS_GROUP,  # type: ignore
-269            exp.ApproxDistinct: _approx_distinct_sql,
-270            exp.Array: lambda self, e: f"ARRAY[{self.expressions(e, flat=True)}]",
-271            exp.ArrayConcat: rename_func("CONCAT"),
-272            exp.ArrayContains: rename_func("CONTAINS"),
-273            exp.ArraySize: rename_func("CARDINALITY"),
-274            exp.BitwiseAnd: lambda self, e: f"BITWISE_AND({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-275            exp.BitwiseLeftShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_LEFT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-276            exp.BitwiseNot: lambda self, e: f"BITWISE_NOT({self.sql(e, 'this')})",
-277            exp.BitwiseOr: lambda self, e: f"BITWISE_OR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-278            exp.BitwiseRightShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_RIGHT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-279            exp.BitwiseXor: lambda self, e: f"BITWISE_XOR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-280            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
-281            exp.DataType: _datatype_sql,
-282            exp.DateAdd: lambda self, e: self.func(
-283                "DATE_ADD", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
-284            ),
-285            exp.DateDiff: lambda self, e: self.func(
-286                "DATE_DIFF", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
-287            ),
-288            exp.DateStrToDate: lambda self, e: f"CAST(DATE_PARSE({self.sql(e, 'this')}, {Presto.date_format}) AS DATE)",
-289            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Presto.dateint_format}) AS INT)",
-290            exp.Decode: _decode_sql,
-291            exp.DiToDate: lambda self, e: f"CAST(DATE_PARSE(CAST({self.sql(e, 'this')} AS VARCHAR), {Presto.dateint_format}) AS DATE)",
-292            exp.Encode: _encode_sql,
-293            exp.GenerateSeries: _sequence_sql,
-294            exp.Hex: rename_func("TO_HEX"),
-295            exp.If: if_sql,
-296            exp.ILike: no_ilike_sql,
-297            exp.Initcap: _initcap_sql,
-298            exp.Lateral: _explode_to_unnest_sql,
-299            exp.Levenshtein: rename_func("LEVENSHTEIN_DISTANCE"),
-300            exp.LogicalOr: rename_func("BOOL_OR"),
-301            exp.LogicalAnd: rename_func("BOOL_AND"),
-302            exp.Quantile: _quantile_sql,
-303            exp.ApproxQuantile: rename_func("APPROX_PERCENTILE"),
-304            exp.SafeDivide: no_safe_divide_sql,
-305            exp.Schema: _schema_sql,
-306            exp.Select: transforms.preprocess(
-307                [transforms.eliminate_qualify, transforms.explode_to_unnest]
-308            ),
-309            exp.SortArray: _no_sort_array,
-310            exp.StrPosition: rename_func("STRPOS"),
-311            exp.StrToDate: lambda self, e: f"CAST({_str_to_time_sql(self, e)} AS DATE)",
-312            exp.StrToTime: _str_to_time_sql,
-313            exp.StrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {self.format_time(e)}))",
-314            exp.StructExtract: struct_extract_sql,
-315            exp.TableFormatProperty: lambda self, e: f"TABLE_FORMAT='{e.name.upper()}'",
-316            exp.FileFormatProperty: lambda self, e: f"FORMAT='{e.name.upper()}'",
-317            exp.TimestampTrunc: timestamptrunc_sql,
-318            exp.TimeStrToDate: timestrtotime_sql,
-319            exp.TimeStrToTime: timestrtotime_sql,
-320            exp.TimeStrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {Presto.time_format}))",
-321            exp.TimeToStr: lambda self, e: f"DATE_FORMAT({self.sql(e, 'this')}, {self.format_time(e)})",
-322            exp.TimeToUnix: rename_func("TO_UNIXTIME"),
-323            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)",
-324            exp.TsOrDsAdd: _ts_or_ds_add_sql,
-325            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
-326            exp.Unhex: rename_func("FROM_HEX"),
-327            exp.UnixToStr: lambda self, e: f"DATE_FORMAT(FROM_UNIXTIME({self.sql(e, 'this')}), {self.format_time(e)})",
-328            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
-329            exp.UnixToTimeStr: lambda self, e: f"CAST(FROM_UNIXTIME({self.sql(e, 'this')}) AS VARCHAR)",
-330            exp.VariancePop: rename_func("VAR_POP"),
-331        }
-332
-333        def interval_sql(self, expression: exp.Interval) -> str:
-334            unit = self.sql(expression, "unit")
-335            if expression.this and unit.lower().startswith("week"):
-336                return f"({expression.this.name} * INTERVAL '7' day)"
-337            return super().interval_sql(expression)
-338
-339        def transaction_sql(self, expression: exp.Transaction) -> str:
-340            modes = expression.args.get("modes")
-341            modes = f" {', '.join(modes)}" if modes else ""
-342            return f"START TRANSACTION{modes}"
+240            "TO_UNIXTIME": exp.TimeToUnix.from_arg_list,
+241            "TO_HEX": exp.Hex.from_arg_list,
+242            "TO_UTF8": lambda args: exp.Encode(
+243                this=seq_get(args, 0), charset=exp.Literal.string("utf-8")
+244            ),
+245        }
+246        FUNCTION_PARSERS = parser.Parser.FUNCTION_PARSERS.copy()
+247        FUNCTION_PARSERS.pop("TRIM")
+248
+249    class Generator(generator.Generator):
+250        INTERVAL_ALLOWS_PLURAL_FORM = False
+251        JOIN_HINTS = False
+252        TABLE_HINTS = False
+253        STRUCT_DELIMITER = ("(", ")")
+254
+255        PROPERTIES_LOCATION = {
+256            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+257            exp.LocationProperty: exp.Properties.Location.UNSUPPORTED,
+258            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+259        }
+260
+261        TYPE_MAPPING = {
+262            **generator.Generator.TYPE_MAPPING,  # type: ignore
+263            exp.DataType.Type.INT: "INTEGER",
+264            exp.DataType.Type.FLOAT: "REAL",
+265            exp.DataType.Type.BINARY: "VARBINARY",
+266            exp.DataType.Type.TEXT: "VARCHAR",
+267            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
+268            exp.DataType.Type.STRUCT: "ROW",
+269        }
+270
+271        TRANSFORMS = {
+272            **generator.Generator.TRANSFORMS,  # type: ignore
+273            exp.ApproxDistinct: _approx_distinct_sql,
+274            exp.Array: lambda self, e: f"ARRAY[{self.expressions(e, flat=True)}]",
+275            exp.ArrayConcat: rename_func("CONCAT"),
+276            exp.ArrayContains: rename_func("CONTAINS"),
+277            exp.ArraySize: rename_func("CARDINALITY"),
+278            exp.BitwiseAnd: lambda self, e: f"BITWISE_AND({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+279            exp.BitwiseLeftShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_LEFT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+280            exp.BitwiseNot: lambda self, e: f"BITWISE_NOT({self.sql(e, 'this')})",
+281            exp.BitwiseOr: lambda self, e: f"BITWISE_OR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+282            exp.BitwiseRightShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_RIGHT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+283            exp.BitwiseXor: lambda self, e: f"BITWISE_XOR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+284            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+285            exp.DataType: _datatype_sql,
+286            exp.DateAdd: lambda self, e: self.func(
+287                "DATE_ADD", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
+288            ),
+289            exp.DateDiff: lambda self, e: self.func(
+290                "DATE_DIFF", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
+291            ),
+292            exp.DateStrToDate: lambda self, e: f"CAST(DATE_PARSE({self.sql(e, 'this')}, {Presto.date_format}) AS DATE)",
+293            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Presto.dateint_format}) AS INT)",
+294            exp.Decode: _decode_sql,
+295            exp.DiToDate: lambda self, e: f"CAST(DATE_PARSE(CAST({self.sql(e, 'this')} AS VARCHAR), {Presto.dateint_format}) AS DATE)",
+296            exp.Encode: _encode_sql,
+297            exp.GenerateSeries: _sequence_sql,
+298            exp.Group: transforms.preprocess([transforms.unalias_group]),
+299            exp.Hex: rename_func("TO_HEX"),
+300            exp.If: if_sql,
+301            exp.ILike: no_ilike_sql,
+302            exp.Initcap: _initcap_sql,
+303            exp.Lateral: _explode_to_unnest_sql,
+304            exp.Levenshtein: rename_func("LEVENSHTEIN_DISTANCE"),
+305            exp.LogicalOr: rename_func("BOOL_OR"),
+306            exp.LogicalAnd: rename_func("BOOL_AND"),
+307            exp.Quantile: _quantile_sql,
+308            exp.ApproxQuantile: rename_func("APPROX_PERCENTILE"),
+309            exp.SafeDivide: no_safe_divide_sql,
+310            exp.Schema: _schema_sql,
+311            exp.Select: transforms.preprocess(
+312                [
+313                    transforms.eliminate_qualify,
+314                    transforms.eliminate_distinct_on,
+315                    transforms.explode_to_unnest,
+316                ]
+317            ),
+318            exp.SortArray: _no_sort_array,
+319            exp.StrPosition: rename_func("STRPOS"),
+320            exp.StrToDate: lambda self, e: f"CAST({_str_to_time_sql(self, e)} AS DATE)",
+321            exp.StrToTime: _str_to_time_sql,
+322            exp.StrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {self.format_time(e)}))",
+323            exp.StructExtract: struct_extract_sql,
+324            exp.TableFormatProperty: lambda self, e: f"TABLE_FORMAT='{e.name.upper()}'",
+325            exp.FileFormatProperty: lambda self, e: f"FORMAT='{e.name.upper()}'",
+326            exp.TimestampTrunc: timestamptrunc_sql,
+327            exp.TimeStrToDate: timestrtotime_sql,
+328            exp.TimeStrToTime: timestrtotime_sql,
+329            exp.TimeStrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {Presto.time_format}))",
+330            exp.TimeToStr: lambda self, e: f"DATE_FORMAT({self.sql(e, 'this')}, {self.format_time(e)})",
+331            exp.TimeToUnix: rename_func("TO_UNIXTIME"),
+332            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)",
+333            exp.TsOrDsAdd: _ts_or_ds_add_sql,
+334            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
+335            exp.Unhex: rename_func("FROM_HEX"),
+336            exp.UnixToStr: lambda self, e: f"DATE_FORMAT(FROM_UNIXTIME({self.sql(e, 'this')}), {self.format_time(e)})",
+337            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
+338            exp.UnixToTimeStr: lambda self, e: f"CAST(FROM_UNIXTIME({self.sql(e, 'this')}) AS VARCHAR)",
+339            exp.VariancePop: rename_func("VAR_POP"),
+340        }
+341
+342        def interval_sql(self, expression: exp.Interval) -> str:
+343            unit = self.sql(expression, "unit")
+344            if expression.this and unit.lower().startswith("week"):
+345                return f"({expression.this.name} * INTERVAL '7' day)"
+346            return super().interval_sql(expression)
+347
+348        def transaction_sql(self, expression: exp.Transaction) -> str:
+349            modes = expression.args.get("modes")
+350            modes = f" {', '.join(modes)}" if modes else ""
+351            return f"START TRANSACTION{modes}"
 
    
 
 
@@ -625,12 +639,12 @@
    - 
    197    class Tokenizer(tokens.Tokenizer):
-198        KEYWORDS = {
-199            **tokens.Tokenizer.KEYWORDS,
-200            "START": TokenType.BEGIN,
-201            "ROW": TokenType.STRUCT,
-202        }
+            
    201    class Tokenizer(tokens.Tokenizer):
+202        KEYWORDS = {
+203            **tokens.Tokenizer.KEYWORDS,
+204            "START": TokenType.BEGIN,
+205            "ROW": TokenType.STRUCT,
+206        }
 
    
 
 
@@ -658,45 +672,46 @@
    - 
    204    class Parser(parser.Parser):
-205        FUNCTIONS = {
-206            **parser.Parser.FUNCTIONS,  # type: ignore
-207            "APPROX_DISTINCT": exp.ApproxDistinct.from_arg_list,
-208            "CARDINALITY": exp.ArraySize.from_arg_list,
-209            "CONTAINS": exp.ArrayContains.from_arg_list,
-210            "DATE_ADD": lambda args: exp.DateAdd(
-211                this=seq_get(args, 2),
-212                expression=seq_get(args, 1),
-213                unit=seq_get(args, 0),
-214            ),
-215            "DATE_DIFF": lambda args: exp.DateDiff(
+            
    208    class Parser(parser.Parser):
+209        FUNCTIONS = {
+210            **parser.Parser.FUNCTIONS,  # type: ignore
+211            "APPROX_DISTINCT": exp.ApproxDistinct.from_arg_list,
+212            "APPROX_PERCENTILE": _approx_percentile,
+213            "CARDINALITY": exp.ArraySize.from_arg_list,
+214            "CONTAINS": exp.ArrayContains.from_arg_list,
+215            "DATE_ADD": lambda args: exp.DateAdd(
 216                this=seq_get(args, 2),
 217                expression=seq_get(args, 1),
 218                unit=seq_get(args, 0),
 219            ),
-220            "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "presto"),
-221            "DATE_PARSE": format_time_lambda(exp.StrToTime, "presto"),
-222            "DATE_TRUNC": date_trunc_to_time,
-223            "FROM_UNIXTIME": _from_unixtime,
-224            "NOW": exp.CurrentTimestamp.from_arg_list,
-225            "STRPOS": lambda args: exp.StrPosition(
-226                this=seq_get(args, 0),
-227                substr=seq_get(args, 1),
-228                instance=seq_get(args, 2),
-229            ),
-230            "TO_UNIXTIME": exp.TimeToUnix.from_arg_list,
-231            "APPROX_PERCENTILE": _approx_percentile,
-232            "FROM_HEX": exp.Unhex.from_arg_list,
-233            "TO_HEX": exp.Hex.from_arg_list,
-234            "TO_UTF8": lambda args: exp.Encode(
-235                this=seq_get(args, 0), charset=exp.Literal.string("utf-8")
-236            ),
-237            "FROM_UTF8": lambda args: exp.Decode(
-238                this=seq_get(args, 0), replace=seq_get(args, 1), charset=exp.Literal.string("utf-8")
+220            "DATE_DIFF": lambda args: exp.DateDiff(
+221                this=seq_get(args, 2),
+222                expression=seq_get(args, 1),
+223                unit=seq_get(args, 0),
+224            ),
+225            "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "presto"),
+226            "DATE_PARSE": format_time_lambda(exp.StrToTime, "presto"),
+227            "DATE_TRUNC": date_trunc_to_time,
+228            "FROM_HEX": exp.Unhex.from_arg_list,
+229            "FROM_UNIXTIME": _from_unixtime,
+230            "FROM_UTF8": lambda args: exp.Decode(
+231                this=seq_get(args, 0), replace=seq_get(args, 1), charset=exp.Literal.string("utf-8")
+232            ),
+233            "NOW": exp.CurrentTimestamp.from_arg_list,
+234            "SEQUENCE": exp.GenerateSeries.from_arg_list,
+235            "STRPOS": lambda args: exp.StrPosition(
+236                this=seq_get(args, 0),
+237                substr=seq_get(args, 1),
+238                instance=seq_get(args, 2),
 239            ),
-240        }
-241        FUNCTION_PARSERS = parser.Parser.FUNCTION_PARSERS.copy()
-242        FUNCTION_PARSERS.pop("TRIM")
+240            "TO_UNIXTIME": exp.TimeToUnix.from_arg_list,
+241            "TO_HEX": exp.Hex.from_arg_list,
+242            "TO_UTF8": lambda args: exp.Encode(
+243                this=seq_get(args, 0), charset=exp.Literal.string("utf-8")
+244            ),
+245        }
+246        FUNCTION_PARSERS = parser.Parser.FUNCTION_PARSERS.copy()
+247        FUNCTION_PARSERS.pop("TRIM")
 
    
 
 
@@ -753,105 +768,109 @@ Default: "nulls_are_small"
    - 
    244    class Generator(generator.Generator):
-245        INTERVAL_ALLOWS_PLURAL_FORM = False
-246        JOIN_HINTS = False
-247        TABLE_HINTS = False
-248        STRUCT_DELIMITER = ("(", ")")
-249
-250        PROPERTIES_LOCATION = {
-251            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-252            exp.LocationProperty: exp.Properties.Location.UNSUPPORTED,
-253            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-254        }
-255
-256        TYPE_MAPPING = {
-257            **generator.Generator.TYPE_MAPPING,  # type: ignore
-258            exp.DataType.Type.INT: "INTEGER",
-259            exp.DataType.Type.FLOAT: "REAL",
-260            exp.DataType.Type.BINARY: "VARBINARY",
-261            exp.DataType.Type.TEXT: "VARCHAR",
-262            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
-263            exp.DataType.Type.STRUCT: "ROW",
-264        }
-265
-266        TRANSFORMS = {
-267            **generator.Generator.TRANSFORMS,  # type: ignore
-268            **transforms.UNALIAS_GROUP,  # type: ignore
-269            exp.ApproxDistinct: _approx_distinct_sql,
-270            exp.Array: lambda self, e: f"ARRAY[{self.expressions(e, flat=True)}]",
-271            exp.ArrayConcat: rename_func("CONCAT"),
-272            exp.ArrayContains: rename_func("CONTAINS"),
-273            exp.ArraySize: rename_func("CARDINALITY"),
-274            exp.BitwiseAnd: lambda self, e: f"BITWISE_AND({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-275            exp.BitwiseLeftShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_LEFT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-276            exp.BitwiseNot: lambda self, e: f"BITWISE_NOT({self.sql(e, 'this')})",
-277            exp.BitwiseOr: lambda self, e: f"BITWISE_OR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-278            exp.BitwiseRightShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_RIGHT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-279            exp.BitwiseXor: lambda self, e: f"BITWISE_XOR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
-280            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
-281            exp.DataType: _datatype_sql,
-282            exp.DateAdd: lambda self, e: self.func(
-283                "DATE_ADD", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
-284            ),
-285            exp.DateDiff: lambda self, e: self.func(
-286                "DATE_DIFF", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
-287            ),
-288            exp.DateStrToDate: lambda self, e: f"CAST(DATE_PARSE({self.sql(e, 'this')}, {Presto.date_format}) AS DATE)",
-289            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Presto.dateint_format}) AS INT)",
-290            exp.Decode: _decode_sql,
-291            exp.DiToDate: lambda self, e: f"CAST(DATE_PARSE(CAST({self.sql(e, 'this')} AS VARCHAR), {Presto.dateint_format}) AS DATE)",
-292            exp.Encode: _encode_sql,
-293            exp.GenerateSeries: _sequence_sql,
-294            exp.Hex: rename_func("TO_HEX"),
-295            exp.If: if_sql,
-296            exp.ILike: no_ilike_sql,
-297            exp.Initcap: _initcap_sql,
-298            exp.Lateral: _explode_to_unnest_sql,
-299            exp.Levenshtein: rename_func("LEVENSHTEIN_DISTANCE"),
-300            exp.LogicalOr: rename_func("BOOL_OR"),
-301            exp.LogicalAnd: rename_func("BOOL_AND"),
-302            exp.Quantile: _quantile_sql,
-303            exp.ApproxQuantile: rename_func("APPROX_PERCENTILE"),
-304            exp.SafeDivide: no_safe_divide_sql,
-305            exp.Schema: _schema_sql,
-306            exp.Select: transforms.preprocess(
-307                [transforms.eliminate_qualify, transforms.explode_to_unnest]
-308            ),
-309            exp.SortArray: _no_sort_array,
-310            exp.StrPosition: rename_func("STRPOS"),
-311            exp.StrToDate: lambda self, e: f"CAST({_str_to_time_sql(self, e)} AS DATE)",
-312            exp.StrToTime: _str_to_time_sql,
-313            exp.StrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {self.format_time(e)}))",
-314            exp.StructExtract: struct_extract_sql,
-315            exp.TableFormatProperty: lambda self, e: f"TABLE_FORMAT='{e.name.upper()}'",
-316            exp.FileFormatProperty: lambda self, e: f"FORMAT='{e.name.upper()}'",
-317            exp.TimestampTrunc: timestamptrunc_sql,
-318            exp.TimeStrToDate: timestrtotime_sql,
-319            exp.TimeStrToTime: timestrtotime_sql,
-320            exp.TimeStrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {Presto.time_format}))",
-321            exp.TimeToStr: lambda self, e: f"DATE_FORMAT({self.sql(e, 'this')}, {self.format_time(e)})",
-322            exp.TimeToUnix: rename_func("TO_UNIXTIME"),
-323            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)",
-324            exp.TsOrDsAdd: _ts_or_ds_add_sql,
-325            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
-326            exp.Unhex: rename_func("FROM_HEX"),
-327            exp.UnixToStr: lambda self, e: f"DATE_FORMAT(FROM_UNIXTIME({self.sql(e, 'this')}), {self.format_time(e)})",
-328            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
-329            exp.UnixToTimeStr: lambda self, e: f"CAST(FROM_UNIXTIME({self.sql(e, 'this')}) AS VARCHAR)",
-330            exp.VariancePop: rename_func("VAR_POP"),
-331        }
-332
-333        def interval_sql(self, expression: exp.Interval) -> str:
-334            unit = self.sql(expression, "unit")
-335            if expression.this and unit.lower().startswith("week"):
-336                return f"({expression.this.name} * INTERVAL '7' day)"
-337            return super().interval_sql(expression)
-338
-339        def transaction_sql(self, expression: exp.Transaction) -> str:
-340            modes = expression.args.get("modes")
-341            modes = f" {', '.join(modes)}" if modes else ""
-342            return f"START TRANSACTION{modes}"
+            
    249    class Generator(generator.Generator):
+250        INTERVAL_ALLOWS_PLURAL_FORM = False
+251        JOIN_HINTS = False
+252        TABLE_HINTS = False
+253        STRUCT_DELIMITER = ("(", ")")
+254
+255        PROPERTIES_LOCATION = {
+256            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+257            exp.LocationProperty: exp.Properties.Location.UNSUPPORTED,
+258            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+259        }
+260
+261        TYPE_MAPPING = {
+262            **generator.Generator.TYPE_MAPPING,  # type: ignore
+263            exp.DataType.Type.INT: "INTEGER",
+264            exp.DataType.Type.FLOAT: "REAL",
+265            exp.DataType.Type.BINARY: "VARBINARY",
+266            exp.DataType.Type.TEXT: "VARCHAR",
+267            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
+268            exp.DataType.Type.STRUCT: "ROW",
+269        }
+270
+271        TRANSFORMS = {
+272            **generator.Generator.TRANSFORMS,  # type: ignore
+273            exp.ApproxDistinct: _approx_distinct_sql,
+274            exp.Array: lambda self, e: f"ARRAY[{self.expressions(e, flat=True)}]",
+275            exp.ArrayConcat: rename_func("CONCAT"),
+276            exp.ArrayContains: rename_func("CONTAINS"),
+277            exp.ArraySize: rename_func("CARDINALITY"),
+278            exp.BitwiseAnd: lambda self, e: f"BITWISE_AND({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+279            exp.BitwiseLeftShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_LEFT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+280            exp.BitwiseNot: lambda self, e: f"BITWISE_NOT({self.sql(e, 'this')})",
+281            exp.BitwiseOr: lambda self, e: f"BITWISE_OR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+282            exp.BitwiseRightShift: lambda self, e: f"BITWISE_ARITHMETIC_SHIFT_RIGHT({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+283            exp.BitwiseXor: lambda self, e: f"BITWISE_XOR({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
+284            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+285            exp.DataType: _datatype_sql,
+286            exp.DateAdd: lambda self, e: self.func(
+287                "DATE_ADD", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
+288            ),
+289            exp.DateDiff: lambda self, e: self.func(
+290                "DATE_DIFF", exp.Literal.string(e.text("unit") or "day"), e.expression, e.this
+291            ),
+292            exp.DateStrToDate: lambda self, e: f"CAST(DATE_PARSE({self.sql(e, 'this')}, {Presto.date_format}) AS DATE)",
+293            exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Presto.dateint_format}) AS INT)",
+294            exp.Decode: _decode_sql,
+295            exp.DiToDate: lambda self, e: f"CAST(DATE_PARSE(CAST({self.sql(e, 'this')} AS VARCHAR), {Presto.dateint_format}) AS DATE)",
+296            exp.Encode: _encode_sql,
+297            exp.GenerateSeries: _sequence_sql,
+298            exp.Group: transforms.preprocess([transforms.unalias_group]),
+299            exp.Hex: rename_func("TO_HEX"),
+300            exp.If: if_sql,
+301            exp.ILike: no_ilike_sql,
+302            exp.Initcap: _initcap_sql,
+303            exp.Lateral: _explode_to_unnest_sql,
+304            exp.Levenshtein: rename_func("LEVENSHTEIN_DISTANCE"),
+305            exp.LogicalOr: rename_func("BOOL_OR"),
+306            exp.LogicalAnd: rename_func("BOOL_AND"),
+307            exp.Quantile: _quantile_sql,
+308            exp.ApproxQuantile: rename_func("APPROX_PERCENTILE"),
+309            exp.SafeDivide: no_safe_divide_sql,
+310            exp.Schema: _schema_sql,
+311            exp.Select: transforms.preprocess(
+312                [
+313                    transforms.eliminate_qualify,
+314                    transforms.eliminate_distinct_on,
+315                    transforms.explode_to_unnest,
+316                ]
+317            ),
+318            exp.SortArray: _no_sort_array,
+319            exp.StrPosition: rename_func("STRPOS"),
+320            exp.StrToDate: lambda self, e: f"CAST({_str_to_time_sql(self, e)} AS DATE)",
+321            exp.StrToTime: _str_to_time_sql,
+322            exp.StrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {self.format_time(e)}))",
+323            exp.StructExtract: struct_extract_sql,
+324            exp.TableFormatProperty: lambda self, e: f"TABLE_FORMAT='{e.name.upper()}'",
+325            exp.FileFormatProperty: lambda self, e: f"FORMAT='{e.name.upper()}'",
+326            exp.TimestampTrunc: timestamptrunc_sql,
+327            exp.TimeStrToDate: timestrtotime_sql,
+328            exp.TimeStrToTime: timestrtotime_sql,
+329            exp.TimeStrToUnix: lambda self, e: f"TO_UNIXTIME(DATE_PARSE({self.sql(e, 'this')}, {Presto.time_format}))",
+330            exp.TimeToStr: lambda self, e: f"DATE_FORMAT({self.sql(e, 'this')}, {self.format_time(e)})",
+331            exp.TimeToUnix: rename_func("TO_UNIXTIME"),
+332            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS VARCHAR), '-', ''), 1, 8) AS INT)",
+333            exp.TsOrDsAdd: _ts_or_ds_add_sql,
+334            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
+335            exp.Unhex: rename_func("FROM_HEX"),
+336            exp.UnixToStr: lambda self, e: f"DATE_FORMAT(FROM_UNIXTIME({self.sql(e, 'this')}), {self.format_time(e)})",
+337            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
+338            exp.UnixToTimeStr: lambda self, e: f"CAST(FROM_UNIXTIME({self.sql(e, 'this')}) AS VARCHAR)",
+339            exp.VariancePop: rename_func("VAR_POP"),
+340        }
+341
+342        def interval_sql(self, expression: exp.Interval) -> str:
+343            unit = self.sql(expression, "unit")
+344            if expression.this and unit.lower().startswith("week"):
+345                return f"({expression.this.name} * INTERVAL '7' day)"
+346            return super().interval_sql(expression)
+347
+348        def transaction_sql(self, expression: exp.Transaction) -> str:
+349            modes = expression.args.get("modes")
+350            modes = f" {', '.join(modes)}" if modes else ""
+351            return f"START TRANSACTION{modes}"
 
    
 
 
@@ -910,11 +929,11 @@ Default: True
    - 
    333        def interval_sql(self, expression: exp.Interval) -> str:
-334            unit = self.sql(expression, "unit")
-335            if expression.this and unit.lower().startswith("week"):
-336                return f"({expression.this.name} * INTERVAL '7' day)"
-337            return super().interval_sql(expression)
+            
    342        def interval_sql(self, expression: exp.Interval) -> str:
+343            unit = self.sql(expression, "unit")
+344            if expression.this and unit.lower().startswith("week"):
+345                return f"({expression.this.name} * INTERVAL '7' day)"
+346            return super().interval_sql(expression)
 
    
 
 
@@ -932,10 +951,10 @@ Default: True
    - 
    339        def transaction_sql(self, expression: exp.Transaction) -> str:
-340            modes = expression.args.get("modes")
-341            modes = f" {', '.join(modes)}" if modes else ""
-342            return f"START TRANSACTION{modes}"
+            
    348        def transaction_sql(self, expression: exp.Transaction) -> str:
+349            modes = expression.args.get("modes")
+350            modes = f" {', '.join(modes)}" if modes else ""
+351            return f"START TRANSACTION{modes}"
 
    
 
 
@@ -1066,7 +1085,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -1075,6 +1094,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/redshift.html b/docs/sqlglot/dialects/redshift.html
index 825d63c..ee4f196 100644
--- a/docs/sqlglot/dialects/redshift.html
+++ b/docs/sqlglot/dialects/redshift.html
@@ -181,18 +181,18 @@
      90
  91        TRANSFORMS = {
  92            **Postgres.Generator.TRANSFORMS,  # type: ignore
- 93            **transforms.ELIMINATE_DISTINCT_ON,  # type: ignore
- 94            exp.CurrentTimestamp: lambda self, e: "SYSDATE",
- 95            exp.DateAdd: lambda self, e: self.func(
- 96                "DATEADD", exp.var(e.text("unit") or "day"), e.expression, e.this
- 97            ),
- 98            exp.DateDiff: lambda self, e: self.func(
- 99                "DATEDIFF", exp.var(e.text("unit") or "day"), e.expression, e.this
-100            ),
-101            exp.DistKeyProperty: lambda self, e: f"DISTKEY({e.name})",
-102            exp.DistStyleProperty: lambda self, e: self.naked_property(e),
-103            exp.JSONExtract: _json_sql,
-104            exp.JSONExtractScalar: _json_sql,
+ 93            exp.CurrentTimestamp: lambda self, e: "SYSDATE",
+ 94            exp.DateAdd: lambda self, e: self.func(
+ 95                "DATEADD", exp.var(e.text("unit") or "day"), e.expression, e.this
+ 96            ),
+ 97            exp.DateDiff: lambda self, e: self.func(
+ 98                "DATEDIFF", exp.var(e.text("unit") or "day"), e.expression, e.this
+ 99            ),
+100            exp.DistKeyProperty: lambda self, e: f"DISTKEY({e.name})",
+101            exp.DistStyleProperty: lambda self, e: self.naked_property(e),
+102            exp.JSONExtract: _json_sql,
+103            exp.JSONExtractScalar: _json_sql,
+104            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
 105            exp.SortKeyProperty: lambda self, e: f"{'COMPOUND ' if e.args['compound'] else ''}SORTKEY({self.format_args(*e.this)})",
 106        }
 107
@@ -347,18 +347,18 @@
  91
  92        TRANSFORMS = {
  93            **Postgres.Generator.TRANSFORMS,  # type: ignore
- 94            **transforms.ELIMINATE_DISTINCT_ON,  # type: ignore
- 95            exp.CurrentTimestamp: lambda self, e: "SYSDATE",
- 96            exp.DateAdd: lambda self, e: self.func(
- 97                "DATEADD", exp.var(e.text("unit") or "day"), e.expression, e.this
- 98            ),
- 99            exp.DateDiff: lambda self, e: self.func(
-100                "DATEDIFF", exp.var(e.text("unit") or "day"), e.expression, e.this
-101            ),
-102            exp.DistKeyProperty: lambda self, e: f"DISTKEY({e.name})",
-103            exp.DistStyleProperty: lambda self, e: self.naked_property(e),
-104            exp.JSONExtract: _json_sql,
-105            exp.JSONExtractScalar: _json_sql,
+ 94            exp.CurrentTimestamp: lambda self, e: "SYSDATE",
+ 95            exp.DateAdd: lambda self, e: self.func(
+ 96                "DATEADD", exp.var(e.text("unit") or "day"), e.expression, e.this
+ 97            ),
+ 98            exp.DateDiff: lambda self, e: self.func(
+ 99                "DATEDIFF", exp.var(e.text("unit") or "day"), e.expression, e.this
+100            ),
+101            exp.DistKeyProperty: lambda self, e: f"DISTKEY({e.name})",
+102            exp.DistStyleProperty: lambda self, e: self.naked_property(e),
+103            exp.JSONExtract: _json_sql,
+104            exp.JSONExtractScalar: _json_sql,
+105            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
 106            exp.SortKeyProperty: lambda self, e: f"{'COMPOUND ' if e.args['compound'] else ''}SORTKEY({self.format_args(*e.this)})",
 107        }
 108
@@ -605,18 +605,18 @@ Default: "nulls_are_small"
  91
  92        TRANSFORMS = {
  93            **Postgres.Generator.TRANSFORMS,  # type: ignore
- 94            **transforms.ELIMINATE_DISTINCT_ON,  # type: ignore
- 95            exp.CurrentTimestamp: lambda self, e: "SYSDATE",
- 96            exp.DateAdd: lambda self, e: self.func(
- 97                "DATEADD", exp.var(e.text("unit") or "day"), e.expression, e.this
- 98            ),
- 99            exp.DateDiff: lambda self, e: self.func(
-100                "DATEDIFF", exp.var(e.text("unit") or "day"), e.expression, e.this
-101            ),
-102            exp.DistKeyProperty: lambda self, e: f"DISTKEY({e.name})",
-103            exp.DistStyleProperty: lambda self, e: self.naked_property(e),
-104            exp.JSONExtract: _json_sql,
-105            exp.JSONExtractScalar: _json_sql,
+ 94            exp.CurrentTimestamp: lambda self, e: "SYSDATE",
+ 95            exp.DateAdd: lambda self, e: self.func(
+ 96                "DATEADD", exp.var(e.text("unit") or "day"), e.expression, e.this
+ 97            ),
+ 98            exp.DateDiff: lambda self, e: self.func(
+ 99                "DATEDIFF", exp.var(e.text("unit") or "day"), e.expression, e.this
+100            ),
+101            exp.DistKeyProperty: lambda self, e: f"DISTKEY({e.name})",
+102            exp.DistStyleProperty: lambda self, e: self.naked_property(e),
+103            exp.JSONExtract: _json_sql,
+104            exp.JSONExtractScalar: _json_sql,
+105            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
 106            exp.SortKeyProperty: lambda self, e: f"{'COMPOUND ' if e.args['compound'] else ''}SORTKEY({self.format_args(*e.this)})",
 107        }
 108
@@ -979,7 +979,7 @@ without precision we convert it to VARCHAR(max) and if it does have
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -988,6 +988,7 @@ without precision we convert it to VARCHAR(max) and if it does have
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/snowflake.html b/docs/sqlglot/dialects/snowflake.html
index 28bfb8c..3946925 100644
--- a/docs/sqlglot/dialects/snowflake.html
+++ b/docs/sqlglot/dialects/snowflake.html
@@ -102,7 +102,7 @@
       2
   3import typing as t
   4
-  5from sqlglot import exp, generator, parser, tokens
+  5from sqlglot import exp, generator, parser, tokens, transforms
   6from sqlglot.dialects.dialect import (
   7    Dialect,
   8    date_trunc_to_time,
@@ -405,112 +405,113 @@
 305            exp.Max: max_or_greatest,
 306            exp.Min: min_or_least,
 307            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
-308            exp.StarMap: rename_func("OBJECT_CONSTRUCT"),
-309            exp.StrPosition: lambda self, e: self.func(
-310                "POSITION", e.args.get("substr"), e.this, e.args.get("position")
-311            ),
-312            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-313            exp.TimeStrToTime: timestrtotime_sql,
-314            exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})",
-315            exp.TimeToStr: lambda self, e: self.func(
-316                "TO_CHAR", exp.cast(e.this, "timestamp"), self.format_time(e)
-317            ),
-318            exp.TimestampTrunc: timestamptrunc_sql,
-319            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-320            exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression),
-321            exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"),
-322            exp.UnixToTime: _unix_to_time_sql,
-323            exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
-324        }
-325
-326        TYPE_MAPPING = {
-327            **generator.Generator.TYPE_MAPPING,  # type: ignore
-328            exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ",
-329        }
-330
-331        STAR_MAPPING = {
-332            "except": "EXCLUDE",
-333            "replace": "RENAME",
-334        }
-335
-336        PROPERTIES_LOCATION = {
-337            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-338            exp.SetProperty: exp.Properties.Location.UNSUPPORTED,
-339            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-340        }
-341
-342        def except_op(self, expression: exp.Except) -> str:
-343            if not expression.args.get("distinct", False):
-344                self.unsupported("EXCEPT with All is not supported in Snowflake")
-345            return super().except_op(expression)
-346
-347        def intersect_op(self, expression: exp.Intersect) -> str:
-348            if not expression.args.get("distinct", False):
-349                self.unsupported("INTERSECT with All is not supported in Snowflake")
-350            return super().intersect_op(expression)
-351
-352        def values_sql(self, expression: exp.Values) -> str:
-353            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
-354
-355            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
-356            from adding quotes to the column by using the `identify` argument when generating the SQL.
-357            """
-358            alias = expression.args.get("alias")
-359            if alias and alias.args.get("columns"):
-360                expression = expression.transform(
-361                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-362                    if isinstance(node, exp.Identifier)
-363                    and isinstance(node.parent, exp.TableAlias)
-364                    and node.arg_key == "columns"
-365                    else node,
-366                )
-367                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
-368            return super().values_sql(expression)
-369
-370        def settag_sql(self, expression: exp.SetTag) -> str:
-371            action = "UNSET" if expression.args.get("unset") else "SET"
-372            return f"{action} TAG {self.expressions(expression)}"
-373
-374        def select_sql(self, expression: exp.Select) -> str:
-375            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
-376            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
-377            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
-378            generating the SQL.
-379
-380            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
-381            expression. This might not be true in a case where the same column name can be sourced from another table that can
-382            properly quote but should be true in most cases.
-383            """
-384            values_identifiers = set(
-385                flatten(
-386                    (v.args.get("alias") or exp.Alias()).args.get("columns", [])
-387                    for v in expression.find_all(exp.Values)
-388                )
-389            )
-390            if values_identifiers:
-391                expression = expression.transform(
-392                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-393                    if isinstance(node, exp.Identifier) and node in values_identifiers
-394                    else node,
-395                )
-396                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
-397            return super().select_sql(expression)
-398
-399        def describe_sql(self, expression: exp.Describe) -> str:
-400            # Default to table if kind is unknown
-401            kind_value = expression.args.get("kind") or "TABLE"
-402            kind = f" {kind_value}" if kind_value else ""
-403            this = f" {self.sql(expression, 'this')}"
-404            return f"DESCRIBE{kind}{this}"
-405
-406        def generatedasidentitycolumnconstraint_sql(
-407            self, expression: exp.GeneratedAsIdentityColumnConstraint
-408        ) -> str:
-409            start = expression.args.get("start")
-410            start = f" START {start}" if start else ""
-411            increment = expression.args.get("increment")
-412            increment = f" INCREMENT {increment}" if increment else ""
-413            return f"AUTOINCREMENT{start}{increment}"
+308            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
+309            exp.StarMap: rename_func("OBJECT_CONSTRUCT"),
+310            exp.StrPosition: lambda self, e: self.func(
+311                "POSITION", e.args.get("substr"), e.this, e.args.get("position")
+312            ),
+313            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+314            exp.TimeStrToTime: timestrtotime_sql,
+315            exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})",
+316            exp.TimeToStr: lambda self, e: self.func(
+317                "TO_CHAR", exp.cast(e.this, "timestamp"), self.format_time(e)
+318            ),
+319            exp.TimestampTrunc: timestamptrunc_sql,
+320            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+321            exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression),
+322            exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"),
+323            exp.UnixToTime: _unix_to_time_sql,
+324            exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
+325        }
+326
+327        TYPE_MAPPING = {
+328            **generator.Generator.TYPE_MAPPING,  # type: ignore
+329            exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ",
+330        }
+331
+332        STAR_MAPPING = {
+333            "except": "EXCLUDE",
+334            "replace": "RENAME",
+335        }
+336
+337        PROPERTIES_LOCATION = {
+338            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+339            exp.SetProperty: exp.Properties.Location.UNSUPPORTED,
+340            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+341        }
+342
+343        def except_op(self, expression: exp.Except) -> str:
+344            if not expression.args.get("distinct", False):
+345                self.unsupported("EXCEPT with All is not supported in Snowflake")
+346            return super().except_op(expression)
+347
+348        def intersect_op(self, expression: exp.Intersect) -> str:
+349            if not expression.args.get("distinct", False):
+350                self.unsupported("INTERSECT with All is not supported in Snowflake")
+351            return super().intersect_op(expression)
+352
+353        def values_sql(self, expression: exp.Values) -> str:
+354            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
+355
+356            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
+357            from adding quotes to the column by using the `identify` argument when generating the SQL.
+358            """
+359            alias = expression.args.get("alias")
+360            if alias and alias.args.get("columns"):
+361                expression = expression.transform(
+362                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+363                    if isinstance(node, exp.Identifier)
+364                    and isinstance(node.parent, exp.TableAlias)
+365                    and node.arg_key == "columns"
+366                    else node,
+367                )
+368                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
+369            return super().values_sql(expression)
+370
+371        def settag_sql(self, expression: exp.SetTag) -> str:
+372            action = "UNSET" if expression.args.get("unset") else "SET"
+373            return f"{action} TAG {self.expressions(expression)}"
+374
+375        def select_sql(self, expression: exp.Select) -> str:
+376            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
+377            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
+378            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
+379            generating the SQL.
+380
+381            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
+382            expression. This might not be true in a case where the same column name can be sourced from another table that can
+383            properly quote but should be true in most cases.
+384            """
+385            values_identifiers = set(
+386                flatten(
+387                    (v.args.get("alias") or exp.Alias()).args.get("columns", [])
+388                    for v in expression.find_all(exp.Values)
+389                )
+390            )
+391            if values_identifiers:
+392                expression = expression.transform(
+393                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+394                    if isinstance(node, exp.Identifier) and node in values_identifiers
+395                    else node,
+396                )
+397                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
+398            return super().select_sql(expression)
+399
+400        def describe_sql(self, expression: exp.Describe) -> str:
+401            # Default to table if kind is unknown
+402            kind_value = expression.args.get("kind") or "TABLE"
+403            kind = f" {kind_value}" if kind_value else ""
+404            this = f" {self.sql(expression, 'this')}"
+405            return f"DESCRIBE{kind}{this}"
+406
+407        def generatedasidentitycolumnconstraint_sql(
+408            self, expression: exp.GeneratedAsIdentityColumnConstraint
+409        ) -> str:
+410            start = expression.args.get("start")
+411            start = f" START {start}" if start else ""
+412            increment = expression.args.get("increment")
+413            increment = f" INCREMENT {increment}" if increment else ""
+414            return f"AUTOINCREMENT{start}{increment}"
    @@ -688,112 +689,113 @@ 306 exp.Max: max_or_greatest, 307 exp.Min: min_or_least, 308 exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}", -309 exp.StarMap: rename_func("OBJECT_CONSTRUCT"), -310 exp.StrPosition: lambda self, e: self.func( -311 "POSITION", e.args.get("substr"), e.this, e.args.get("position") -312 ), -313 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", -314 exp.TimeStrToTime: timestrtotime_sql, -315 exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})", -316 exp.TimeToStr: lambda self, e: self.func( -317 "TO_CHAR", exp.cast(e.this, "timestamp"), self.format_time(e) -318 ), -319 exp.TimestampTrunc: timestamptrunc_sql, -320 exp.ToChar: lambda self, e: self.function_fallback_sql(e), -321 exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression), -322 exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"), -323 exp.UnixToTime: _unix_to_time_sql, -324 exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"), -325 } -326 -327 TYPE_MAPPING = { -328 **generator.Generator.TYPE_MAPPING, # type: ignore -329 exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ", -330 } -331 -332 STAR_MAPPING = { -333 "except": "EXCLUDE", -334 "replace": "RENAME", -335 } -336 -337 PROPERTIES_LOCATION = { -338 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -339 exp.SetProperty: exp.Properties.Location.UNSUPPORTED, -340 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, -341 } -342 -343 def except_op(self, expression: exp.Except) -> str: -344 if not expression.args.get("distinct", False): -345 self.unsupported("EXCEPT with All is not supported in Snowflake") -346 return super().except_op(expression) -347 -348 def intersect_op(self, expression: exp.Intersect) -> str: -349 if not expression.args.get("distinct", False): -350 self.unsupported("INTERSECT with All is not supported in Snowflake") -351 return super().intersect_op(expression) -352 -353 def values_sql(self, expression: exp.Values) -> str: -354 """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted. -355 -356 We also want to make sure that after we find matches where we need to unquote a column that we prevent users -357 from adding quotes to the column by using the `identify` argument when generating the SQL. -358 """ -359 alias = expression.args.get("alias") -360 if alias and alias.args.get("columns"): -361 expression = expression.transform( -362 lambda node: exp.Identifier(**{**node.args, "quoted": False}) -363 if isinstance(node, exp.Identifier) -364 and isinstance(node.parent, exp.TableAlias) -365 and node.arg_key == "columns" -366 else node, -367 ) -368 return self.no_identify(lambda: super(self.__class__, self).values_sql(expression)) -369 return super().values_sql(expression) -370 -371 def settag_sql(self, expression: exp.SetTag) -> str: -372 action = "UNSET" if expression.args.get("unset") else "SET" -373 return f"{action} TAG {self.expressions(expression)}" -374 -375 def select_sql(self, expression: exp.Select) -> str: -376 """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also -377 that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need -378 to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when -379 generating the SQL. -380 -381 Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the -382 expression. This might not be true in a case where the same column name can be sourced from another table that can -383 properly quote but should be true in most cases. -384 """ -385 values_identifiers = set( -386 flatten( -387 (v.args.get("alias") or exp.Alias()).args.get("columns", []) -388 for v in expression.find_all(exp.Values) -389 ) -390 ) -391 if values_identifiers: -392 expression = expression.transform( -393 lambda node: exp.Identifier(**{**node.args, "quoted": False}) -394 if isinstance(node, exp.Identifier) and node in values_identifiers -395 else node, -396 ) -397 return self.no_identify(lambda: super(self.__class__, self).select_sql(expression)) -398 return super().select_sql(expression) -399 -400 def describe_sql(self, expression: exp.Describe) -> str: -401 # Default to table if kind is unknown -402 kind_value = expression.args.get("kind") or "TABLE" -403 kind = f" {kind_value}" if kind_value else "" -404 this = f" {self.sql(expression, 'this')}" -405 return f"DESCRIBE{kind}{this}" -406 -407 def generatedasidentitycolumnconstraint_sql( -408 self, expression: exp.GeneratedAsIdentityColumnConstraint -409 ) -> str: -410 start = expression.args.get("start") -411 start = f" START {start}" if start else "" -412 increment = expression.args.get("increment") -413 increment = f" INCREMENT {increment}" if increment else "" -414 return f"AUTOINCREMENT{start}{increment}" +309 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), +310 exp.StarMap: rename_func("OBJECT_CONSTRUCT"), +311 exp.StrPosition: lambda self, e: self.func( +312 "POSITION", e.args.get("substr"), e.this, e.args.get("position") +313 ), +314 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", +315 exp.TimeStrToTime: timestrtotime_sql, +316 exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})", +317 exp.TimeToStr: lambda self, e: self.func( +318 "TO_CHAR", exp.cast(e.this, "timestamp"), self.format_time(e) +319 ), +320 exp.TimestampTrunc: timestamptrunc_sql, +321 exp.ToChar: lambda self, e: self.function_fallback_sql(e), +322 exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression), +323 exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"), +324 exp.UnixToTime: _unix_to_time_sql, +325 exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"), +326 } +327 +328 TYPE_MAPPING = { +329 **generator.Generator.TYPE_MAPPING, # type: ignore +330 exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ", +331 } +332 +333 STAR_MAPPING = { +334 "except": "EXCLUDE", +335 "replace": "RENAME", +336 } +337 +338 PROPERTIES_LOCATION = { +339 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +340 exp.SetProperty: exp.Properties.Location.UNSUPPORTED, +341 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, +342 } +343 +344 def except_op(self, expression: exp.Except) -> str: +345 if not expression.args.get("distinct", False): +346 self.unsupported("EXCEPT with All is not supported in Snowflake") +347 return super().except_op(expression) +348 +349 def intersect_op(self, expression: exp.Intersect) -> str: +350 if not expression.args.get("distinct", False): +351 self.unsupported("INTERSECT with All is not supported in Snowflake") +352 return super().intersect_op(expression) +353 +354 def values_sql(self, expression: exp.Values) -> str: +355 """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted. +356 +357 We also want to make sure that after we find matches where we need to unquote a column that we prevent users +358 from adding quotes to the column by using the `identify` argument when generating the SQL. +359 """ +360 alias = expression.args.get("alias") +361 if alias and alias.args.get("columns"): +362 expression = expression.transform( +363 lambda node: exp.Identifier(**{**node.args, "quoted": False}) +364 if isinstance(node, exp.Identifier) +365 and isinstance(node.parent, exp.TableAlias) +366 and node.arg_key == "columns" +367 else node, +368 ) +369 return self.no_identify(lambda: super(self.__class__, self).values_sql(expression)) +370 return super().values_sql(expression) +371 +372 def settag_sql(self, expression: exp.SetTag) -> str: +373 action = "UNSET" if expression.args.get("unset") else "SET" +374 return f"{action} TAG {self.expressions(expression)}" +375 +376 def select_sql(self, expression: exp.Select) -> str: +377 """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also +378 that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need +379 to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when +380 generating the SQL. +381 +382 Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the +383 expression. This might not be true in a case where the same column name can be sourced from another table that can +384 properly quote but should be true in most cases. +385 """ +386 values_identifiers = set( +387 flatten( +388 (v.args.get("alias") or exp.Alias()).args.get("columns", []) +389 for v in expression.find_all(exp.Values) +390 ) +391 ) +392 if values_identifiers: +393 expression = expression.transform( +394 lambda node: exp.Identifier(**{**node.args, "quoted": False}) +395 if isinstance(node, exp.Identifier) and node in values_identifiers +396 else node, +397 ) +398 return self.no_identify(lambda: super(self.__class__, self).select_sql(expression)) +399 return super().select_sql(expression) +400 +401 def describe_sql(self, expression: exp.Describe) -> str: +402 # Default to table if kind is unknown +403 kind_value = expression.args.get("kind") or "TABLE" +404 kind = f" {kind_value}" if kind_value else "" +405 this = f" {self.sql(expression, 'this')}" +406 return f"DESCRIBE{kind}{this}" +407 +408 def generatedasidentitycolumnconstraint_sql( +409 self, expression: exp.GeneratedAsIdentityColumnConstraint +410 ) -> str: +411 start = expression.args.get("start") +412 start = f" START {start}" if start else "" +413 increment = expression.args.get("increment") +414 increment = f" INCREMENT {increment}" if increment else "" +415 return f"AUTOINCREMENT{start}{increment}" @@ -1038,112 +1040,113 @@ Default: "nulls_are_small" 306 exp.Max: max_or_greatest, 307 exp.Min: min_or_least, 308 exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}", -309 exp.StarMap: rename_func("OBJECT_CONSTRUCT"), -310 exp.StrPosition: lambda self, e: self.func( -311 "POSITION", e.args.get("substr"), e.this, e.args.get("position") -312 ), -313 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", -314 exp.TimeStrToTime: timestrtotime_sql, -315 exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})", -316 exp.TimeToStr: lambda self, e: self.func( -317 "TO_CHAR", exp.cast(e.this, "timestamp"), self.format_time(e) -318 ), -319 exp.TimestampTrunc: timestamptrunc_sql, -320 exp.ToChar: lambda self, e: self.function_fallback_sql(e), -321 exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression), -322 exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"), -323 exp.UnixToTime: _unix_to_time_sql, -324 exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"), -325 } -326 -327 TYPE_MAPPING = { -328 **generator.Generator.TYPE_MAPPING, # type: ignore -329 exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ", -330 } -331 -332 STAR_MAPPING = { -333 "except": "EXCLUDE", -334 "replace": "RENAME", -335 } -336 -337 PROPERTIES_LOCATION = { -338 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -339 exp.SetProperty: exp.Properties.Location.UNSUPPORTED, -340 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, -341 } -342 -343 def except_op(self, expression: exp.Except) -> str: -344 if not expression.args.get("distinct", False): -345 self.unsupported("EXCEPT with All is not supported in Snowflake") -346 return super().except_op(expression) -347 -348 def intersect_op(self, expression: exp.Intersect) -> str: -349 if not expression.args.get("distinct", False): -350 self.unsupported("INTERSECT with All is not supported in Snowflake") -351 return super().intersect_op(expression) -352 -353 def values_sql(self, expression: exp.Values) -> str: -354 """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted. -355 -356 We also want to make sure that after we find matches where we need to unquote a column that we prevent users -357 from adding quotes to the column by using the `identify` argument when generating the SQL. -358 """ -359 alias = expression.args.get("alias") -360 if alias and alias.args.get("columns"): -361 expression = expression.transform( -362 lambda node: exp.Identifier(**{**node.args, "quoted": False}) -363 if isinstance(node, exp.Identifier) -364 and isinstance(node.parent, exp.TableAlias) -365 and node.arg_key == "columns" -366 else node, -367 ) -368 return self.no_identify(lambda: super(self.__class__, self).values_sql(expression)) -369 return super().values_sql(expression) -370 -371 def settag_sql(self, expression: exp.SetTag) -> str: -372 action = "UNSET" if expression.args.get("unset") else "SET" -373 return f"{action} TAG {self.expressions(expression)}" -374 -375 def select_sql(self, expression: exp.Select) -> str: -376 """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also -377 that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need -378 to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when -379 generating the SQL. -380 -381 Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the -382 expression. This might not be true in a case where the same column name can be sourced from another table that can -383 properly quote but should be true in most cases. -384 """ -385 values_identifiers = set( -386 flatten( -387 (v.args.get("alias") or exp.Alias()).args.get("columns", []) -388 for v in expression.find_all(exp.Values) -389 ) -390 ) -391 if values_identifiers: -392 expression = expression.transform( -393 lambda node: exp.Identifier(**{**node.args, "quoted": False}) -394 if isinstance(node, exp.Identifier) and node in values_identifiers -395 else node, -396 ) -397 return self.no_identify(lambda: super(self.__class__, self).select_sql(expression)) -398 return super().select_sql(expression) -399 -400 def describe_sql(self, expression: exp.Describe) -> str: -401 # Default to table if kind is unknown -402 kind_value = expression.args.get("kind") or "TABLE" -403 kind = f" {kind_value}" if kind_value else "" -404 this = f" {self.sql(expression, 'this')}" -405 return f"DESCRIBE{kind}{this}" -406 -407 def generatedasidentitycolumnconstraint_sql( -408 self, expression: exp.GeneratedAsIdentityColumnConstraint -409 ) -> str: -410 start = expression.args.get("start") -411 start = f" START {start}" if start else "" -412 increment = expression.args.get("increment") -413 increment = f" INCREMENT {increment}" if increment else "" -414 return f"AUTOINCREMENT{start}{increment}" +309 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), +310 exp.StarMap: rename_func("OBJECT_CONSTRUCT"), +311 exp.StrPosition: lambda self, e: self.func( +312 "POSITION", e.args.get("substr"), e.this, e.args.get("position") +313 ), +314 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", +315 exp.TimeStrToTime: timestrtotime_sql, +316 exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})", +317 exp.TimeToStr: lambda self, e: self.func( +318 "TO_CHAR", exp.cast(e.this, "timestamp"), self.format_time(e) +319 ), +320 exp.TimestampTrunc: timestamptrunc_sql, +321 exp.ToChar: lambda self, e: self.function_fallback_sql(e), +322 exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression), +323 exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"), +324 exp.UnixToTime: _unix_to_time_sql, +325 exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"), +326 } +327 +328 TYPE_MAPPING = { +329 **generator.Generator.TYPE_MAPPING, # type: ignore +330 exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ", +331 } +332 +333 STAR_MAPPING = { +334 "except": "EXCLUDE", +335 "replace": "RENAME", +336 } +337 +338 PROPERTIES_LOCATION = { +339 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +340 exp.SetProperty: exp.Properties.Location.UNSUPPORTED, +341 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, +342 } +343 +344 def except_op(self, expression: exp.Except) -> str: +345 if not expression.args.get("distinct", False): +346 self.unsupported("EXCEPT with All is not supported in Snowflake") +347 return super().except_op(expression) +348 +349 def intersect_op(self, expression: exp.Intersect) -> str: +350 if not expression.args.get("distinct", False): +351 self.unsupported("INTERSECT with All is not supported in Snowflake") +352 return super().intersect_op(expression) +353 +354 def values_sql(self, expression: exp.Values) -> str: +355 """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted. +356 +357 We also want to make sure that after we find matches where we need to unquote a column that we prevent users +358 from adding quotes to the column by using the `identify` argument when generating the SQL. +359 """ +360 alias = expression.args.get("alias") +361 if alias and alias.args.get("columns"): +362 expression = expression.transform( +363 lambda node: exp.Identifier(**{**node.args, "quoted": False}) +364 if isinstance(node, exp.Identifier) +365 and isinstance(node.parent, exp.TableAlias) +366 and node.arg_key == "columns" +367 else node, +368 ) +369 return self.no_identify(lambda: super(self.__class__, self).values_sql(expression)) +370 return super().values_sql(expression) +371 +372 def settag_sql(self, expression: exp.SetTag) -> str: +373 action = "UNSET" if expression.args.get("unset") else "SET" +374 return f"{action} TAG {self.expressions(expression)}" +375 +376 def select_sql(self, expression: exp.Select) -> str: +377 """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also +378 that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need +379 to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when +380 generating the SQL. +381 +382 Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the +383 expression. This might not be true in a case where the same column name can be sourced from another table that can +384 properly quote but should be true in most cases. +385 """ +386 values_identifiers = set( +387 flatten( +388 (v.args.get("alias") or exp.Alias()).args.get("columns", []) +389 for v in expression.find_all(exp.Values) +390 ) +391 ) +392 if values_identifiers: +393 expression = expression.transform( +394 lambda node: exp.Identifier(**{**node.args, "quoted": False}) +395 if isinstance(node, exp.Identifier) and node in values_identifiers +396 else node, +397 ) +398 return self.no_identify(lambda: super(self.__class__, self).select_sql(expression)) +399 return super().select_sql(expression) +400 +401 def describe_sql(self, expression: exp.Describe) -> str: +402 # Default to table if kind is unknown +403 kind_value = expression.args.get("kind") or "TABLE" +404 kind = f" {kind_value}" if kind_value else "" +405 this = f" {self.sql(expression, 'this')}" +406 return f"DESCRIBE{kind}{this}" +407 +408 def generatedasidentitycolumnconstraint_sql( +409 self, expression: exp.GeneratedAsIdentityColumnConstraint +410 ) -> str: +411 start = expression.args.get("start") +412 start = f" START {start}" if start else "" +413 increment = expression.args.get("increment") +414 increment = f" INCREMENT {increment}" if increment else "" +415 return f"AUTOINCREMENT{start}{increment}" @@ -1202,10 +1205,10 @@ Default: True - 
    343        def except_op(self, expression: exp.Except) -> str:
-344            if not expression.args.get("distinct", False):
-345                self.unsupported("EXCEPT with All is not supported in Snowflake")
-346            return super().except_op(expression)
+            
    344        def except_op(self, expression: exp.Except) -> str:
+345            if not expression.args.get("distinct", False):
+346                self.unsupported("EXCEPT with All is not supported in Snowflake")
+347            return super().except_op(expression)
 
    
 
 
@@ -1223,10 +1226,10 @@ Default: True
    - 
    348        def intersect_op(self, expression: exp.Intersect) -> str:
-349            if not expression.args.get("distinct", False):
-350                self.unsupported("INTERSECT with All is not supported in Snowflake")
-351            return super().intersect_op(expression)
+            
    349        def intersect_op(self, expression: exp.Intersect) -> str:
+350            if not expression.args.get("distinct", False):
+351                self.unsupported("INTERSECT with All is not supported in Snowflake")
+352            return super().intersect_op(expression)
 
    
 
 
@@ -1244,23 +1247,23 @@ Default: True
    - 
    353        def values_sql(self, expression: exp.Values) -> str:
-354            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
-355
-356            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
-357            from adding quotes to the column by using the `identify` argument when generating the SQL.
-358            """
-359            alias = expression.args.get("alias")
-360            if alias and alias.args.get("columns"):
-361                expression = expression.transform(
-362                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-363                    if isinstance(node, exp.Identifier)
-364                    and isinstance(node.parent, exp.TableAlias)
-365                    and node.arg_key == "columns"
-366                    else node,
-367                )
-368                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
-369            return super().values_sql(expression)
+            
    354        def values_sql(self, expression: exp.Values) -> str:
+355            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
+356
+357            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
+358            from adding quotes to the column by using the `identify` argument when generating the SQL.
+359            """
+360            alias = expression.args.get("alias")
+361            if alias and alias.args.get("columns"):
+362                expression = expression.transform(
+363                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+364                    if isinstance(node, exp.Identifier)
+365                    and isinstance(node.parent, exp.TableAlias)
+366                    and node.arg_key == "columns"
+367                    else node,
+368                )
+369                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
+370            return super().values_sql(expression)
 
    
 
 
@@ -1283,9 +1286,9 @@ from adding quotes to the column by using the identify argument whe
    - 
    371        def settag_sql(self, expression: exp.SetTag) -> str:
-372            action = "UNSET" if expression.args.get("unset") else "SET"
-373            return f"{action} TAG {self.expressions(expression)}"
+            
    372        def settag_sql(self, expression: exp.SetTag) -> str:
+373            action = "UNSET" if expression.args.get("unset") else "SET"
+374            return f"{action} TAG {self.expressions(expression)}"
 
    
 
 
@@ -1303,30 +1306,30 @@ from adding quotes to the column by using the identify argument whe
    - 
    375        def select_sql(self, expression: exp.Select) -> str:
-376            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
-377            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
-378            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
-379            generating the SQL.
-380
-381            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
-382            expression. This might not be true in a case where the same column name can be sourced from another table that can
-383            properly quote but should be true in most cases.
-384            """
-385            values_identifiers = set(
-386                flatten(
-387                    (v.args.get("alias") or exp.Alias()).args.get("columns", [])
-388                    for v in expression.find_all(exp.Values)
-389                )
-390            )
-391            if values_identifiers:
-392                expression = expression.transform(
-393                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-394                    if isinstance(node, exp.Identifier) and node in values_identifiers
-395                    else node,
-396                )
-397                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
-398            return super().select_sql(expression)
+            
    376        def select_sql(self, expression: exp.Select) -> str:
+377            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
+378            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
+379            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
+380            generating the SQL.
+381
+382            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
+383            expression. This might not be true in a case where the same column name can be sourced from another table that can
+384            properly quote but should be true in most cases.
+385            """
+386            values_identifiers = set(
+387                flatten(
+388                    (v.args.get("alias") or exp.Alias()).args.get("columns", [])
+389                    for v in expression.find_all(exp.Values)
+390                )
+391            )
+392            if values_identifiers:
+393                expression = expression.transform(
+394                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+395                    if isinstance(node, exp.Identifier) and node in values_identifiers
+396                    else node,
+397                )
+398                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
+399            return super().select_sql(expression)
 
    
 
 
@@ -1353,12 +1356,12 @@ properly quote but should be true in most cases.
    - 
    400        def describe_sql(self, expression: exp.Describe) -> str:
-401            # Default to table if kind is unknown
-402            kind_value = expression.args.get("kind") or "TABLE"
-403            kind = f" {kind_value}" if kind_value else ""
-404            this = f" {self.sql(expression, 'this')}"
-405            return f"DESCRIBE{kind}{this}"
+            
    401        def describe_sql(self, expression: exp.Describe) -> str:
+402            # Default to table if kind is unknown
+403            kind_value = expression.args.get("kind") or "TABLE"
+404            kind = f" {kind_value}" if kind_value else ""
+405            this = f" {self.sql(expression, 'this')}"
+406            return f"DESCRIBE{kind}{this}"
 
    
 
 
@@ -1376,14 +1379,14 @@ properly quote but should be true in most cases.
    - 
    407        def generatedasidentitycolumnconstraint_sql(
-408            self, expression: exp.GeneratedAsIdentityColumnConstraint
-409        ) -> str:
-410            start = expression.args.get("start")
-411            start = f" START {start}" if start else ""
-412            increment = expression.args.get("increment")
-413            increment = f" INCREMENT {increment}" if increment else ""
-414            return f"AUTOINCREMENT{start}{increment}"
+            
    408        def generatedasidentitycolumnconstraint_sql(
+409            self, expression: exp.GeneratedAsIdentityColumnConstraint
+410        ) -> str:
+411            start = expression.args.get("start")
+412            start = f" START {start}" if start else ""
+413            increment = expression.args.get("increment")
+414            increment = f" INCREMENT {increment}" if increment else ""
+415            return f"AUTOINCREMENT{start}{increment}"
 
    
 
 
@@ -1508,7 +1511,7 @@ properly quote but should be true in most cases.
    
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -1517,6 +1520,7 @@ properly quote but should be true in most cases.
    
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/spark.html b/docs/sqlglot/dialects/spark.html
index bc53a56..d29015b 100644
--- a/docs/sqlglot/dialects/spark.html
+++ b/docs/sqlglot/dialects/spark.html
@@ -43,17 +43,11 @@
                                 Spark.Generator
                                         
 
                         
-                        
  • 
-                                Spark.Tokenizer
-                                        
      
-                            
    
-
-                        
    • 
                 
 
             
@@ -80,229 +74,61 @@
 
                         
 
-                        
      1from __future__ import annotations
-  2
-  3import typing as t
-  4
-  5from sqlglot import exp, parser
-  6from sqlglot.dialects.dialect import create_with_partitions_sql, rename_func, trim_sql
-  7from sqlglot.dialects.hive import Hive
-  8from sqlglot.helper import seq_get
-  9
- 10
- 11def _create_sql(self: Hive.Generator, e: exp.Create) -> str:
- 12    kind = e.args["kind"]
- 13    properties = e.args.get("properties")
- 14
- 15    if kind.upper() == "TABLE" and any(
- 16        isinstance(prop, exp.TemporaryProperty)
- 17        for prop in (properties.expressions if properties else [])
- 18    ):
- 19        return f"CREATE TEMPORARY VIEW {self.sql(e, 'this')} AS {self.sql(e, 'expression')}"
- 20    return create_with_partitions_sql(self, e)
- 21
- 22
- 23def _map_sql(self: Hive.Generator, expression: exp.Map) -> str:
- 24    keys = self.sql(expression.args["keys"])
- 25    values = self.sql(expression.args["values"])
- 26    return f"MAP_FROM_ARRAYS({keys}, {values})"
- 27
- 28
- 29def _str_to_date(self: Hive.Generator, expression: exp.StrToDate) -> str:
- 30    this = self.sql(expression, "this")
- 31    time_format = self.format_time(expression)
- 32    if time_format == Hive.date_format:
- 33        return f"TO_DATE({this})"
- 34    return f"TO_DATE({this}, {time_format})"
- 35
- 36
- 37def _unix_to_time_sql(self: Hive.Generator, expression: exp.UnixToTime) -> str:
- 38    scale = expression.args.get("scale")
- 39    timestamp = self.sql(expression, "this")
- 40    if scale is None:
- 41        return f"FROM_UNIXTIME({timestamp})"
- 42    if scale == exp.UnixToTime.SECONDS:
- 43        return f"TIMESTAMP_SECONDS({timestamp})"
- 44    if scale == exp.UnixToTime.MILLIS:
- 45        return f"TIMESTAMP_MILLIS({timestamp})"
- 46    if scale == exp.UnixToTime.MICROS:
- 47        return f"TIMESTAMP_MICROS({timestamp})"
- 48
- 49    raise ValueError("Improper scale for timestamp")
- 50
- 51
- 52class Spark(Hive):
- 53    class Parser(Hive.Parser):
- 54        FUNCTIONS = {
- 55            **Hive.Parser.FUNCTIONS,  # type: ignore
- 56            "MAP_FROM_ARRAYS": exp.Map.from_arg_list,
- 57            "TO_UNIX_TIMESTAMP": exp.StrToUnix.from_arg_list,
- 58            "LEFT": lambda args: exp.Substring(
- 59                this=seq_get(args, 0),
- 60                start=exp.Literal.number(1),
- 61                length=seq_get(args, 1),
- 62            ),
- 63            "SHIFTLEFT": lambda args: exp.BitwiseLeftShift(
- 64                this=seq_get(args, 0),
- 65                expression=seq_get(args, 1),
- 66            ),
- 67            "SHIFTRIGHT": lambda args: exp.BitwiseRightShift(
- 68                this=seq_get(args, 0),
- 69                expression=seq_get(args, 1),
- 70            ),
- 71            "RIGHT": lambda args: exp.Substring(
- 72                this=seq_get(args, 0),
- 73                start=exp.Sub(
- 74                    this=exp.Length(this=seq_get(args, 0)),
- 75                    expression=exp.Add(this=seq_get(args, 1), expression=exp.Literal.number(1)),
- 76                ),
- 77                length=seq_get(args, 1),
- 78            ),
- 79            "APPROX_PERCENTILE": exp.ApproxQuantile.from_arg_list,
- 80            "BOOLEAN": lambda args: exp.Cast(
- 81                this=seq_get(args, 0), to=exp.DataType.build("boolean")
- 82            ),
- 83            "IIF": exp.If.from_arg_list,
- 84            "INT": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("int")),
- 85            "AGGREGATE": exp.Reduce.from_arg_list,
- 86            "DAYOFWEEK": lambda args: exp.DayOfWeek(
- 87                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 88            ),
- 89            "DAYOFMONTH": lambda args: exp.DayOfMonth(
- 90                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 91            ),
- 92            "DAYOFYEAR": lambda args: exp.DayOfYear(
- 93                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 94            ),
- 95            "WEEKOFYEAR": lambda args: exp.WeekOfYear(
- 96                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 97            ),
- 98            "DATE": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("date")),
- 99            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
-100                this=seq_get(args, 1),
-101                unit=exp.var(seq_get(args, 0)),
-102            ),
-103            "STRING": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("string")),
-104            "TRUNC": lambda args: exp.DateTrunc(unit=seq_get(args, 1), this=seq_get(args, 0)),
-105            "TIMESTAMP": lambda args: exp.Cast(
-106                this=seq_get(args, 0), to=exp.DataType.build("timestamp")
-107            ),
-108        }
-109
-110        FUNCTION_PARSERS = {
-111            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
-112            "BROADCAST": lambda self: self._parse_join_hint("BROADCAST"),
-113            "BROADCASTJOIN": lambda self: self._parse_join_hint("BROADCASTJOIN"),
-114            "MAPJOIN": lambda self: self._parse_join_hint("MAPJOIN"),
-115            "MERGE": lambda self: self._parse_join_hint("MERGE"),
-116            "SHUFFLEMERGE": lambda self: self._parse_join_hint("SHUFFLEMERGE"),
-117            "MERGEJOIN": lambda self: self._parse_join_hint("MERGEJOIN"),
-118            "SHUFFLE_HASH": lambda self: self._parse_join_hint("SHUFFLE_HASH"),
-119            "SHUFFLE_REPLICATE_NL": lambda self: self._parse_join_hint("SHUFFLE_REPLICATE_NL"),
-120        }
-121
-122        def _parse_add_column(self) -> t.Optional[exp.Expression]:
-123            return self._match_text_seq("ADD", "COLUMNS") and self._parse_schema()
-124
-125        def _parse_drop_column(self) -> t.Optional[exp.Expression]:
-126            return self._match_text_seq("DROP", "COLUMNS") and self.expression(
-127                exp.Drop,
-128                this=self._parse_schema(),
-129                kind="COLUMNS",
-130            )
-131
-132        def _pivot_column_names(self, pivot_columns: t.List[exp.Expression]) -> t.List[str]:
-133            # Spark doesn't add a suffix to the pivot columns when there's a single aggregation
-134            if len(pivot_columns) == 1:
-135                return [""]
-136
-137            names = []
-138            for agg in pivot_columns:
-139                if isinstance(agg, exp.Alias):
-140                    names.append(agg.alias)
-141                else:
-142                    """
-143                    This case corresponds to aggregations without aliases being used as suffixes
-144                    (e.g. col_avg(foo)). We need to unquote identifiers because they're going to
-145                    be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.
-146                    Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).
-147
-148                    Moreover, function names are lowercased in order to mimic Spark's naming scheme.
-149                    """
-150                    agg_all_unquoted = agg.transform(
-151                        lambda node: exp.Identifier(this=node.name, quoted=False)
-152                        if isinstance(node, exp.Identifier)
-153                        else node
-154                    )
-155                    names.append(agg_all_unquoted.sql(dialect="spark", normalize_functions="lower"))
-156
-157            return names
-158
-159    class Generator(Hive.Generator):
-160        TYPE_MAPPING = {
-161            **Hive.Generator.TYPE_MAPPING,  # type: ignore
-162            exp.DataType.Type.TINYINT: "BYTE",
-163            exp.DataType.Type.SMALLINT: "SHORT",
-164            exp.DataType.Type.BIGINT: "LONG",
-165        }
-166
-167        PROPERTIES_LOCATION = {
-168            **Hive.Generator.PROPERTIES_LOCATION,  # type: ignore
-169            exp.EngineProperty: exp.Properties.Location.UNSUPPORTED,
-170            exp.AutoIncrementProperty: exp.Properties.Location.UNSUPPORTED,
-171            exp.CharacterSetProperty: exp.Properties.Location.UNSUPPORTED,
-172            exp.CollateProperty: exp.Properties.Location.UNSUPPORTED,
-173        }
-174
-175        TRANSFORMS = {
-176            **Hive.Generator.TRANSFORMS,  # type: ignore
-177            exp.ApproxDistinct: rename_func("APPROX_COUNT_DISTINCT"),
-178            exp.FileFormatProperty: lambda self, e: f"USING {e.name.upper()}",
-179            exp.ArraySum: lambda self, e: f"AGGREGATE({self.sql(e, 'this')}, 0, (acc, x) -> acc + x, acc -> acc)",
-180            exp.BitwiseLeftShift: rename_func("SHIFTLEFT"),
-181            exp.BitwiseRightShift: rename_func("SHIFTRIGHT"),
-182            exp.DateTrunc: lambda self, e: self.func("TRUNC", e.this, e.args.get("unit")),
-183            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
-184            exp.StrToDate: _str_to_date,
-185            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-186            exp.UnixToTime: _unix_to_time_sql,
-187            exp.Create: _create_sql,
-188            exp.Map: _map_sql,
-189            exp.Reduce: rename_func("AGGREGATE"),
-190            exp.StructKwarg: lambda self, e: f"{self.sql(e, 'this')}: {self.sql(e, 'expression')}",
-191            exp.TimestampTrunc: lambda self, e: self.func(
-192                "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this
-193            ),
-194            exp.Trim: trim_sql,
-195            exp.VariancePop: rename_func("VAR_POP"),
-196            exp.DateFromParts: rename_func("MAKE_DATE"),
-197            exp.LogicalOr: rename_func("BOOL_OR"),
-198            exp.LogicalAnd: rename_func("BOOL_AND"),
-199            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-200            exp.DayOfMonth: rename_func("DAYOFMONTH"),
-201            exp.DayOfYear: rename_func("DAYOFYEAR"),
-202            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
-203            exp.AtTimeZone: lambda self, e: f"FROM_UTC_TIMESTAMP({self.sql(e, 'this')}, {self.sql(e, 'zone')})",
-204        }
-205        TRANSFORMS.pop(exp.ArraySort)
-206        TRANSFORMS.pop(exp.ILike)
-207
-208        WRAP_DERIVED_VALUES = False
-209        CREATE_FUNCTION_RETURN_AS = False
-210
-211        def cast_sql(self, expression: exp.Cast) -> str:
-212            if isinstance(expression.this, exp.Cast) and expression.this.is_type(
-213                exp.DataType.Type.JSON
-214            ):
-215                schema = f"'{self.sql(expression, 'to')}'"
-216                return self.func("FROM_JSON", expression.this.this, schema)
-217            if expression.to.is_type(exp.DataType.Type.JSON):
-218                return self.func("TO_JSON", expression.this)
-219
-220            return super(Spark.Generator, self).cast_sql(expression)
-221
-222    class Tokenizer(Hive.Tokenizer):
-223        HEX_STRINGS = [("X'", "'")]
+                        
     1from __future__ import annotations
+ 2
+ 3import typing as t
+ 4
+ 5from sqlglot import exp
+ 6from sqlglot.dialects.spark2 import Spark2
+ 7from sqlglot.helper import seq_get
+ 8
+ 9
+10def _parse_datediff(args: t.Sequence) -> exp.Expression:
+11    """
+12    Although Spark docs don't mention the "unit" argument, Spark3 added support for
+13    it at some point. Databricks also supports this variation (see below).
+14
+15    For example, in spark-sql (v3.3.1):
+16    - SELECT DATEDIFF('2020-01-01', '2020-01-05') results in -4
+17    - SELECT DATEDIFF(day, '2020-01-01', '2020-01-05') results in 4
+18
+19    See also:
+20    - https://docs.databricks.com/sql/language-manual/functions/datediff3.html
+21    - https://docs.databricks.com/sql/language-manual/functions/datediff.html
+22    """
+23    unit = None
+24    this = seq_get(args, 0)
+25    expression = seq_get(args, 1)
+26
+27    if len(args) == 3:
+28        unit = this
+29        this = args[2]
+30
+31    return exp.DateDiff(
+32        this=exp.TsOrDsToDate(this=this), expression=exp.TsOrDsToDate(this=expression), unit=unit
+33    )
+34
+35
+36class Spark(Spark2):
+37    class Parser(Spark2.Parser):
+38        FUNCTIONS = {
+39            **Spark2.Parser.FUNCTIONS,  # type: ignore
+40            "DATEDIFF": _parse_datediff,
+41        }
+42
+43    class Generator(Spark2.Generator):
+44        TRANSFORMS = Spark2.Generator.TRANSFORMS.copy()
+45        TRANSFORMS.pop(exp.DateDiff)
+46
+47        def datediff_sql(self, expression: exp.DateDiff) -> str:
+48            unit = self.sql(expression, "unit")
+49            end = self.sql(expression, "this")
+50            start = self.sql(expression, "expression")
+51
+52            if unit:
+53                return self.func("DATEDIFF", unit, start, end)
+54
+55            return self.func("DATEDIFF", end, start)
 
    
 
 
@@ -312,184 +138,32 @@
 
    
             
     class
-    Spark(sqlglot.dialects.hive.Hive):
+    Spark(sqlglot.dialects.spark2.Spark2):
 
                 
 
     
    
     
-            
     53class Spark(Hive):
- 54    class Parser(Hive.Parser):
- 55        FUNCTIONS = {
- 56            **Hive.Parser.FUNCTIONS,  # type: ignore
- 57            "MAP_FROM_ARRAYS": exp.Map.from_arg_list,
- 58            "TO_UNIX_TIMESTAMP": exp.StrToUnix.from_arg_list,
- 59            "LEFT": lambda args: exp.Substring(
- 60                this=seq_get(args, 0),
- 61                start=exp.Literal.number(1),
- 62                length=seq_get(args, 1),
- 63            ),
- 64            "SHIFTLEFT": lambda args: exp.BitwiseLeftShift(
- 65                this=seq_get(args, 0),
- 66                expression=seq_get(args, 1),
- 67            ),
- 68            "SHIFTRIGHT": lambda args: exp.BitwiseRightShift(
- 69                this=seq_get(args, 0),
- 70                expression=seq_get(args, 1),
- 71            ),
- 72            "RIGHT": lambda args: exp.Substring(
- 73                this=seq_get(args, 0),
- 74                start=exp.Sub(
- 75                    this=exp.Length(this=seq_get(args, 0)),
- 76                    expression=exp.Add(this=seq_get(args, 1), expression=exp.Literal.number(1)),
- 77                ),
- 78                length=seq_get(args, 1),
- 79            ),
- 80            "APPROX_PERCENTILE": exp.ApproxQuantile.from_arg_list,
- 81            "BOOLEAN": lambda args: exp.Cast(
- 82                this=seq_get(args, 0), to=exp.DataType.build("boolean")
- 83            ),
- 84            "IIF": exp.If.from_arg_list,
- 85            "INT": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("int")),
- 86            "AGGREGATE": exp.Reduce.from_arg_list,
- 87            "DAYOFWEEK": lambda args: exp.DayOfWeek(
- 88                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 89            ),
- 90            "DAYOFMONTH": lambda args: exp.DayOfMonth(
- 91                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 92            ),
- 93            "DAYOFYEAR": lambda args: exp.DayOfYear(
- 94                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 95            ),
- 96            "WEEKOFYEAR": lambda args: exp.WeekOfYear(
- 97                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 98            ),
- 99            "DATE": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("date")),
-100            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
-101                this=seq_get(args, 1),
-102                unit=exp.var(seq_get(args, 0)),
-103            ),
-104            "STRING": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("string")),
-105            "TRUNC": lambda args: exp.DateTrunc(unit=seq_get(args, 1), this=seq_get(args, 0)),
-106            "TIMESTAMP": lambda args: exp.Cast(
-107                this=seq_get(args, 0), to=exp.DataType.build("timestamp")
-108            ),
-109        }
-110
-111        FUNCTION_PARSERS = {
-112            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
-113            "BROADCAST": lambda self: self._parse_join_hint("BROADCAST"),
-114            "BROADCASTJOIN": lambda self: self._parse_join_hint("BROADCASTJOIN"),
-115            "MAPJOIN": lambda self: self._parse_join_hint("MAPJOIN"),
-116            "MERGE": lambda self: self._parse_join_hint("MERGE"),
-117            "SHUFFLEMERGE": lambda self: self._parse_join_hint("SHUFFLEMERGE"),
-118            "MERGEJOIN": lambda self: self._parse_join_hint("MERGEJOIN"),
-119            "SHUFFLE_HASH": lambda self: self._parse_join_hint("SHUFFLE_HASH"),
-120            "SHUFFLE_REPLICATE_NL": lambda self: self._parse_join_hint("SHUFFLE_REPLICATE_NL"),
-121        }
-122
-123        def _parse_add_column(self) -> t.Optional[exp.Expression]:
-124            return self._match_text_seq("ADD", "COLUMNS") and self._parse_schema()
-125
-126        def _parse_drop_column(self) -> t.Optional[exp.Expression]:
-127            return self._match_text_seq("DROP", "COLUMNS") and self.expression(
-128                exp.Drop,
-129                this=self._parse_schema(),
-130                kind="COLUMNS",
-131            )
-132
-133        def _pivot_column_names(self, pivot_columns: t.List[exp.Expression]) -> t.List[str]:
-134            # Spark doesn't add a suffix to the pivot columns when there's a single aggregation
-135            if len(pivot_columns) == 1:
-136                return [""]
-137
-138            names = []
-139            for agg in pivot_columns:
-140                if isinstance(agg, exp.Alias):
-141                    names.append(agg.alias)
-142                else:
-143                    """
-144                    This case corresponds to aggregations without aliases being used as suffixes
-145                    (e.g. col_avg(foo)). We need to unquote identifiers because they're going to
-146                    be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.
-147                    Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).
-148
-149                    Moreover, function names are lowercased in order to mimic Spark's naming scheme.
-150                    """
-151                    agg_all_unquoted = agg.transform(
-152                        lambda node: exp.Identifier(this=node.name, quoted=False)
-153                        if isinstance(node, exp.Identifier)
-154                        else node
-155                    )
-156                    names.append(agg_all_unquoted.sql(dialect="spark", normalize_functions="lower"))
-157
-158            return names
-159
-160    class Generator(Hive.Generator):
-161        TYPE_MAPPING = {
-162            **Hive.Generator.TYPE_MAPPING,  # type: ignore
-163            exp.DataType.Type.TINYINT: "BYTE",
-164            exp.DataType.Type.SMALLINT: "SHORT",
-165            exp.DataType.Type.BIGINT: "LONG",
-166        }
-167
-168        PROPERTIES_LOCATION = {
-169            **Hive.Generator.PROPERTIES_LOCATION,  # type: ignore
-170            exp.EngineProperty: exp.Properties.Location.UNSUPPORTED,
-171            exp.AutoIncrementProperty: exp.Properties.Location.UNSUPPORTED,
-172            exp.CharacterSetProperty: exp.Properties.Location.UNSUPPORTED,
-173            exp.CollateProperty: exp.Properties.Location.UNSUPPORTED,
-174        }
-175
-176        TRANSFORMS = {
-177            **Hive.Generator.TRANSFORMS,  # type: ignore
-178            exp.ApproxDistinct: rename_func("APPROX_COUNT_DISTINCT"),
-179            exp.FileFormatProperty: lambda self, e: f"USING {e.name.upper()}",
-180            exp.ArraySum: lambda self, e: f"AGGREGATE({self.sql(e, 'this')}, 0, (acc, x) -> acc + x, acc -> acc)",
-181            exp.BitwiseLeftShift: rename_func("SHIFTLEFT"),
-182            exp.BitwiseRightShift: rename_func("SHIFTRIGHT"),
-183            exp.DateTrunc: lambda self, e: self.func("TRUNC", e.this, e.args.get("unit")),
-184            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
-185            exp.StrToDate: _str_to_date,
-186            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-187            exp.UnixToTime: _unix_to_time_sql,
-188            exp.Create: _create_sql,
-189            exp.Map: _map_sql,
-190            exp.Reduce: rename_func("AGGREGATE"),
-191            exp.StructKwarg: lambda self, e: f"{self.sql(e, 'this')}: {self.sql(e, 'expression')}",
-192            exp.TimestampTrunc: lambda self, e: self.func(
-193                "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this
-194            ),
-195            exp.Trim: trim_sql,
-196            exp.VariancePop: rename_func("VAR_POP"),
-197            exp.DateFromParts: rename_func("MAKE_DATE"),
-198            exp.LogicalOr: rename_func("BOOL_OR"),
-199            exp.LogicalAnd: rename_func("BOOL_AND"),
-200            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-201            exp.DayOfMonth: rename_func("DAYOFMONTH"),
-202            exp.DayOfYear: rename_func("DAYOFYEAR"),
-203            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
-204            exp.AtTimeZone: lambda self, e: f"FROM_UTC_TIMESTAMP({self.sql(e, 'this')}, {self.sql(e, 'zone')})",
-205        }
-206        TRANSFORMS.pop(exp.ArraySort)
-207        TRANSFORMS.pop(exp.ILike)
-208
-209        WRAP_DERIVED_VALUES = False
-210        CREATE_FUNCTION_RETURN_AS = False
-211
-212        def cast_sql(self, expression: exp.Cast) -> str:
-213            if isinstance(expression.this, exp.Cast) and expression.this.is_type(
-214                exp.DataType.Type.JSON
-215            ):
-216                schema = f"'{self.sql(expression, 'to')}'"
-217                return self.func("FROM_JSON", expression.this.this, schema)
-218            if expression.to.is_type(exp.DataType.Type.JSON):
-219                return self.func("TO_JSON", expression.this)
-220
-221            return super(Spark.Generator, self).cast_sql(expression)
-222
-223    class Tokenizer(Hive.Tokenizer):
-224        HEX_STRINGS = [("X'", "'")]
+            
    37class Spark(Spark2):
+38    class Parser(Spark2.Parser):
+39        FUNCTIONS = {
+40            **Spark2.Parser.FUNCTIONS,  # type: ignore
+41            "DATEDIFF": _parse_datediff,
+42        }
+43
+44    class Generator(Spark2.Generator):
+45        TRANSFORMS = Spark2.Generator.TRANSFORMS.copy()
+46        TRANSFORMS.pop(exp.DateDiff)
+47
+48        def datediff_sql(self, expression: exp.DateDiff) -> str:
+49            unit = self.sql(expression, "unit")
+50            end = self.sql(expression, "this")
+51            start = self.sql(expression, "expression")
+52
+53            if unit:
+54                return self.func("DATEDIFF", unit, start, end)
+55
+56            return self.func("DATEDIFF", end, start)
 
    
 
 
@@ -498,7 +172,11 @@
                             
    
                                 
    Inherited Members
    
                                 
    
-                                    
    sqlglot.dialects.dialect.Dialect
    
+                                    
+            
    sqlglot.dialects.dialect.Dialect
    
                                 
    get_or_raise
    
                 
    format_time
    
                 
    parse
    
@@ -518,117 +196,17 @@
 
    
             
     class
-    Spark.Parser(sqlglot.dialects.hive.Hive.Parser):
+    Spark.Parser(sqlglot.dialects.spark2.Spark2.Parser):
 
                 
 
     
    
     
-            
     54    class Parser(Hive.Parser):
- 55        FUNCTIONS = {
- 56            **Hive.Parser.FUNCTIONS,  # type: ignore
- 57            "MAP_FROM_ARRAYS": exp.Map.from_arg_list,
- 58            "TO_UNIX_TIMESTAMP": exp.StrToUnix.from_arg_list,
- 59            "LEFT": lambda args: exp.Substring(
- 60                this=seq_get(args, 0),
- 61                start=exp.Literal.number(1),
- 62                length=seq_get(args, 1),
- 63            ),
- 64            "SHIFTLEFT": lambda args: exp.BitwiseLeftShift(
- 65                this=seq_get(args, 0),
- 66                expression=seq_get(args, 1),
- 67            ),
- 68            "SHIFTRIGHT": lambda args: exp.BitwiseRightShift(
- 69                this=seq_get(args, 0),
- 70                expression=seq_get(args, 1),
- 71            ),
- 72            "RIGHT": lambda args: exp.Substring(
- 73                this=seq_get(args, 0),
- 74                start=exp.Sub(
- 75                    this=exp.Length(this=seq_get(args, 0)),
- 76                    expression=exp.Add(this=seq_get(args, 1), expression=exp.Literal.number(1)),
- 77                ),
- 78                length=seq_get(args, 1),
- 79            ),
- 80            "APPROX_PERCENTILE": exp.ApproxQuantile.from_arg_list,
- 81            "BOOLEAN": lambda args: exp.Cast(
- 82                this=seq_get(args, 0), to=exp.DataType.build("boolean")
- 83            ),
- 84            "IIF": exp.If.from_arg_list,
- 85            "INT": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("int")),
- 86            "AGGREGATE": exp.Reduce.from_arg_list,
- 87            "DAYOFWEEK": lambda args: exp.DayOfWeek(
- 88                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 89            ),
- 90            "DAYOFMONTH": lambda args: exp.DayOfMonth(
- 91                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 92            ),
- 93            "DAYOFYEAR": lambda args: exp.DayOfYear(
- 94                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 95            ),
- 96            "WEEKOFYEAR": lambda args: exp.WeekOfYear(
- 97                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
- 98            ),
- 99            "DATE": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("date")),
-100            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
-101                this=seq_get(args, 1),
-102                unit=exp.var(seq_get(args, 0)),
-103            ),
-104            "STRING": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("string")),
-105            "TRUNC": lambda args: exp.DateTrunc(unit=seq_get(args, 1), this=seq_get(args, 0)),
-106            "TIMESTAMP": lambda args: exp.Cast(
-107                this=seq_get(args, 0), to=exp.DataType.build("timestamp")
-108            ),
-109        }
-110
-111        FUNCTION_PARSERS = {
-112            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
-113            "BROADCAST": lambda self: self._parse_join_hint("BROADCAST"),
-114            "BROADCASTJOIN": lambda self: self._parse_join_hint("BROADCASTJOIN"),
-115            "MAPJOIN": lambda self: self._parse_join_hint("MAPJOIN"),
-116            "MERGE": lambda self: self._parse_join_hint("MERGE"),
-117            "SHUFFLEMERGE": lambda self: self._parse_join_hint("SHUFFLEMERGE"),
-118            "MERGEJOIN": lambda self: self._parse_join_hint("MERGEJOIN"),
-119            "SHUFFLE_HASH": lambda self: self._parse_join_hint("SHUFFLE_HASH"),
-120            "SHUFFLE_REPLICATE_NL": lambda self: self._parse_join_hint("SHUFFLE_REPLICATE_NL"),
-121        }
-122
-123        def _parse_add_column(self) -> t.Optional[exp.Expression]:
-124            return self._match_text_seq("ADD", "COLUMNS") and self._parse_schema()
-125
-126        def _parse_drop_column(self) -> t.Optional[exp.Expression]:
-127            return self._match_text_seq("DROP", "COLUMNS") and self.expression(
-128                exp.Drop,
-129                this=self._parse_schema(),
-130                kind="COLUMNS",
-131            )
-132
-133        def _pivot_column_names(self, pivot_columns: t.List[exp.Expression]) -> t.List[str]:
-134            # Spark doesn't add a suffix to the pivot columns when there's a single aggregation
-135            if len(pivot_columns) == 1:
-136                return [""]
-137
-138            names = []
-139            for agg in pivot_columns:
-140                if isinstance(agg, exp.Alias):
-141                    names.append(agg.alias)
-142                else:
-143                    """
-144                    This case corresponds to aggregations without aliases being used as suffixes
-145                    (e.g. col_avg(foo)). We need to unquote identifiers because they're going to
-146                    be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.
-147                    Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).
-148
-149                    Moreover, function names are lowercased in order to mimic Spark's naming scheme.
-150                    """
-151                    agg_all_unquoted = agg.transform(
-152                        lambda node: exp.Identifier(this=node.name, quoted=False)
-153                        if isinstance(node, exp.Identifier)
-154                        else node
-155                    )
-156                    names.append(agg_all_unquoted.sql(dialect="spark", normalize_functions="lower"))
-157
-158            return names
+            
    38    class Parser(Spark2.Parser):
+39        FUNCTIONS = {
+40            **Spark2.Parser.FUNCTIONS,  # type: ignore
+41            "DATEDIFF": _parse_datediff,
+42        }
 
    
 
 
@@ -679,74 +257,25 @@ Default: "nulls_are_small"
 
    
             
     class
-    Spark.Generator(sqlglot.dialects.hive.Hive.Generator):
+    Spark.Generator(sqlglot.dialects.spark2.Spark2.Generator):
 
                 
 
     
    
     
-            
    160    class Generator(Hive.Generator):
-161        TYPE_MAPPING = {
-162            **Hive.Generator.TYPE_MAPPING,  # type: ignore
-163            exp.DataType.Type.TINYINT: "BYTE",
-164            exp.DataType.Type.SMALLINT: "SHORT",
-165            exp.DataType.Type.BIGINT: "LONG",
-166        }
-167
-168        PROPERTIES_LOCATION = {
-169            **Hive.Generator.PROPERTIES_LOCATION,  # type: ignore
-170            exp.EngineProperty: exp.Properties.Location.UNSUPPORTED,
-171            exp.AutoIncrementProperty: exp.Properties.Location.UNSUPPORTED,
-172            exp.CharacterSetProperty: exp.Properties.Location.UNSUPPORTED,
-173            exp.CollateProperty: exp.Properties.Location.UNSUPPORTED,
-174        }
-175
-176        TRANSFORMS = {
-177            **Hive.Generator.TRANSFORMS,  # type: ignore
-178            exp.ApproxDistinct: rename_func("APPROX_COUNT_DISTINCT"),
-179            exp.FileFormatProperty: lambda self, e: f"USING {e.name.upper()}",
-180            exp.ArraySum: lambda self, e: f"AGGREGATE({self.sql(e, 'this')}, 0, (acc, x) -> acc + x, acc -> acc)",
-181            exp.BitwiseLeftShift: rename_func("SHIFTLEFT"),
-182            exp.BitwiseRightShift: rename_func("SHIFTRIGHT"),
-183            exp.DateTrunc: lambda self, e: self.func("TRUNC", e.this, e.args.get("unit")),
-184            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
-185            exp.StrToDate: _str_to_date,
-186            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-187            exp.UnixToTime: _unix_to_time_sql,
-188            exp.Create: _create_sql,
-189            exp.Map: _map_sql,
-190            exp.Reduce: rename_func("AGGREGATE"),
-191            exp.StructKwarg: lambda self, e: f"{self.sql(e, 'this')}: {self.sql(e, 'expression')}",
-192            exp.TimestampTrunc: lambda self, e: self.func(
-193                "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this
-194            ),
-195            exp.Trim: trim_sql,
-196            exp.VariancePop: rename_func("VAR_POP"),
-197            exp.DateFromParts: rename_func("MAKE_DATE"),
-198            exp.LogicalOr: rename_func("BOOL_OR"),
-199            exp.LogicalAnd: rename_func("BOOL_AND"),
-200            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-201            exp.DayOfMonth: rename_func("DAYOFMONTH"),
-202            exp.DayOfYear: rename_func("DAYOFYEAR"),
-203            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
-204            exp.AtTimeZone: lambda self, e: f"FROM_UTC_TIMESTAMP({self.sql(e, 'this')}, {self.sql(e, 'zone')})",
-205        }
-206        TRANSFORMS.pop(exp.ArraySort)
-207        TRANSFORMS.pop(exp.ILike)
-208
-209        WRAP_DERIVED_VALUES = False
-210        CREATE_FUNCTION_RETURN_AS = False
-211
-212        def cast_sql(self, expression: exp.Cast) -> str:
-213            if isinstance(expression.this, exp.Cast) and expression.this.is_type(
-214                exp.DataType.Type.JSON
-215            ):
-216                schema = f"'{self.sql(expression, 'to')}'"
-217                return self.func("FROM_JSON", expression.this.this, schema)
-218            if expression.to.is_type(exp.DataType.Type.JSON):
-219                return self.func("TO_JSON", expression.this)
-220
-221            return super(Spark.Generator, self).cast_sql(expression)
+            
    44    class Generator(Spark2.Generator):
+45        TRANSFORMS = Spark2.Generator.TRANSFORMS.copy()
+46        TRANSFORMS.pop(exp.DateDiff)
+47
+48        def datediff_sql(self, expression: exp.DateDiff) -> str:
+49            unit = self.sql(expression, "unit")
+50            end = self.sql(expression, "this")
+51            start = self.sql(expression, "expression")
+52
+53            if unit:
+54                return self.func("DATEDIFF", unit, start, end)
+55
+56            return self.func("DATEDIFF", end, start)
 
    
 
 
@@ -794,27 +323,26 @@ Default: True
 
    
 
 
-                            
    
-                                        
+                            
    
+                                        
 
    
             
         def
-        cast_sql(self, expression: sqlglot.expressions.Cast) -> str:
+        datediff_sql(self, expression: sqlglot.expressions.DateDiff) -> str:
 
-                
+                
 
     
    
-    
-            
    212        def cast_sql(self, expression: exp.Cast) -> str:
-213            if isinstance(expression.this, exp.Cast) and expression.this.is_type(
-214                exp.DataType.Type.JSON
-215            ):
-216                schema = f"'{self.sql(expression, 'to')}'"
-217                return self.func("FROM_JSON", expression.this.this, schema)
-218            if expression.to.is_type(exp.DataType.Type.JSON):
-219                return self.func("TO_JSON", expression.this)
-220
-221            return super(Spark.Generator, self).cast_sql(expression)
+    
+            
    48        def datediff_sql(self, expression: exp.DateDiff) -> str:
+49            unit = self.sql(expression, "unit")
+50            end = self.sql(expression, "this")
+51            start = self.sql(expression, "expression")
+52
+53            if unit:
+54                return self.func("DATEDIFF", unit, start, end)
+55
+56            return self.func("DATEDIFF", end, start)
 
    
 
 
@@ -943,7 +471,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -952,6 +480,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
@@ -1047,6 +576,10 @@ Default: True
                 
    merge_sql
    
                 
    tochar_sql
    
 
+            
    
+            
             
    sqlglot.dialects.hive.Hive.Generator
    
                                 
    arrayagg_sql
    
@@ -1057,35 +590,6 @@ Default: True
                                 
    
                             
    
                 
-                
    
-                            
-
    
-            
-    class
-    Spark.Tokenizer(sqlglot.dialects.hive.Hive.Tokenizer):
-
-                
-
-    
    
-    
-            
    223    class Tokenizer(Hive.Tokenizer):
-224        HEX_STRINGS = [("X'", "'")]
-
    
-
-
-    
-
-                            
    
-                                
    Inherited Members
    
-                                
    
-                                    
-                                
    
-                            
    
-                
    
     
 
+
\ No newline at end of file
diff --git a/docs/sqlglot/dialects/sqlite.html b/docs/sqlglot/dialects/sqlite.html
index 187ace6..36079f8 100644
--- a/docs/sqlglot/dialects/sqlite.html
+++ b/docs/sqlglot/dialects/sqlite.html
@@ -159,92 +159,94 @@
      65
  66        TRANSFORMS = {
  67            **generator.Generator.TRANSFORMS,  # type: ignore
- 68            **transforms.ELIMINATE_QUALIFY,  # type: ignore
- 69            exp.CountIf: count_if_to_sum,
- 70            exp.CurrentDate: lambda *_: "CURRENT_DATE",
- 71            exp.CurrentTime: lambda *_: "CURRENT_TIME",
- 72            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
- 73            exp.DateAdd: _date_add_sql,
- 74            exp.DateStrToDate: lambda self, e: self.sql(e, "this"),
- 75            exp.ILike: no_ilike_sql,
- 76            exp.JSONExtract: arrow_json_extract_sql,
- 77            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
- 78            exp.JSONBExtract: arrow_json_extract_sql,
- 79            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
- 80            exp.Levenshtein: rename_func("EDITDIST3"),
- 81            exp.LogicalOr: rename_func("MAX"),
- 82            exp.LogicalAnd: rename_func("MIN"),
- 83            exp.TableSample: no_tablesample_sql,
- 84            exp.TimeStrToTime: lambda self, e: self.sql(e, "this"),
- 85            exp.TryCast: no_trycast_sql,
- 86        }
- 87
- 88        PROPERTIES_LOCATION = {
- 89            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
- 90            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
- 91        }
- 92
- 93        LIMIT_FETCH = "LIMIT"
+ 68            exp.CountIf: count_if_to_sum,
+ 69            exp.CurrentDate: lambda *_: "CURRENT_DATE",
+ 70            exp.CurrentTime: lambda *_: "CURRENT_TIME",
+ 71            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+ 72            exp.DateAdd: _date_add_sql,
+ 73            exp.DateStrToDate: lambda self, e: self.sql(e, "this"),
+ 74            exp.ILike: no_ilike_sql,
+ 75            exp.JSONExtract: arrow_json_extract_sql,
+ 76            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+ 77            exp.JSONBExtract: arrow_json_extract_sql,
+ 78            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
+ 79            exp.Levenshtein: rename_func("EDITDIST3"),
+ 80            exp.LogicalOr: rename_func("MAX"),
+ 81            exp.LogicalAnd: rename_func("MIN"),
+ 82            exp.Select: transforms.preprocess(
+ 83                [transforms.eliminate_distinct_on, transforms.eliminate_qualify]
+ 84            ),
+ 85            exp.TableSample: no_tablesample_sql,
+ 86            exp.TimeStrToTime: lambda self, e: self.sql(e, "this"),
+ 87            exp.TryCast: no_trycast_sql,
+ 88        }
+ 89
+ 90        PROPERTIES_LOCATION = {
+ 91            k: exp.Properties.Location.UNSUPPORTED
+ 92            for k, v in generator.Generator.PROPERTIES_LOCATION.items()
+ 93        }
  94
- 95        def cast_sql(self, expression: exp.Cast) -> str:
- 96            if expression.to.this == exp.DataType.Type.DATE:
- 97                return self.func("DATE", expression.this)
- 98
- 99            return super().cast_sql(expression)
+ 95        LIMIT_FETCH = "LIMIT"
+ 96
+ 97        def cast_sql(self, expression: exp.Cast) -> str:
+ 98            if expression.to.this == exp.DataType.Type.DATE:
+ 99                return self.func("DATE", expression.this)
 100
-101        def datediff_sql(self, expression: exp.DateDiff) -> str:
-102            unit = expression.args.get("unit")
-103            unit = unit.name.upper() if unit else "DAY"
-104
-105            sql = f"(JULIANDAY({self.sql(expression, 'this')}) - JULIANDAY({self.sql(expression, 'expression')}))"
+101            return super().cast_sql(expression)
+102
+103        def datediff_sql(self, expression: exp.DateDiff) -> str:
+104            unit = expression.args.get("unit")
+105            unit = unit.name.upper() if unit else "DAY"
 106
-107            if unit == "MONTH":
-108                sql = f"{sql} / 30.0"
-109            elif unit == "YEAR":
-110                sql = f"{sql} / 365.0"
-111            elif unit == "HOUR":
-112                sql = f"{sql} * 24.0"
-113            elif unit == "MINUTE":
-114                sql = f"{sql} * 1440.0"
-115            elif unit == "SECOND":
-116                sql = f"{sql} * 86400.0"
-117            elif unit == "MILLISECOND":
-118                sql = f"{sql} * 86400000.0"
-119            elif unit == "MICROSECOND":
-120                sql = f"{sql} * 86400000000.0"
-121            elif unit == "NANOSECOND":
-122                sql = f"{sql} * 8640000000000.0"
-123            else:
-124                self.unsupported("DATEDIFF unsupported for '{unit}'.")
-125
-126            return f"CAST({sql} AS INTEGER)"
+107            sql = f"(JULIANDAY({self.sql(expression, 'this')}) - JULIANDAY({self.sql(expression, 'expression')}))"
+108
+109            if unit == "MONTH":
+110                sql = f"{sql} / 30.0"
+111            elif unit == "YEAR":
+112                sql = f"{sql} / 365.0"
+113            elif unit == "HOUR":
+114                sql = f"{sql} * 24.0"
+115            elif unit == "MINUTE":
+116                sql = f"{sql} * 1440.0"
+117            elif unit == "SECOND":
+118                sql = f"{sql} * 86400.0"
+119            elif unit == "MILLISECOND":
+120                sql = f"{sql} * 86400000.0"
+121            elif unit == "MICROSECOND":
+122                sql = f"{sql} * 86400000000.0"
+123            elif unit == "NANOSECOND":
+124                sql = f"{sql} * 8640000000000.0"
+125            else:
+126                self.unsupported("DATEDIFF unsupported for '{unit}'.")
 127
-128        # https://www.sqlite.org/lang_aggfunc.html#group_concat
-129        def groupconcat_sql(self, expression):
-130            this = expression.this
-131            distinct = expression.find(exp.Distinct)
-132            if distinct:
-133                this = distinct.expressions[0]
-134                distinct = "DISTINCT "
-135
-136            if isinstance(expression.this, exp.Order):
-137                self.unsupported("SQLite GROUP_CONCAT doesn't support ORDER BY.")
-138                if expression.this.this and not distinct:
-139                    this = expression.this.this
-140
-141            separator = expression.args.get("separator")
-142            return f"GROUP_CONCAT({distinct or ''}{self.format_args(this, separator)})"
-143
-144        def least_sql(self, expression: exp.Least) -> str:
-145            if len(expression.expressions) > 1:
-146                return rename_func("MIN")(self, expression)
-147
-148            return self.expressions(expression)
+128            return f"CAST({sql} AS INTEGER)"
+129
+130        # https://www.sqlite.org/lang_aggfunc.html#group_concat
+131        def groupconcat_sql(self, expression):
+132            this = expression.this
+133            distinct = expression.find(exp.Distinct)
+134            if distinct:
+135                this = distinct.expressions[0]
+136                distinct = "DISTINCT "
+137
+138            if isinstance(expression.this, exp.Order):
+139                self.unsupported("SQLite GROUP_CONCAT doesn't support ORDER BY.")
+140                if expression.this.this and not distinct:
+141                    this = expression.this.this
+142
+143            separator = expression.args.get("separator")
+144            return f"GROUP_CONCAT({distinct or ''}{self.format_args(this, separator)})"
+145
+146        def least_sql(self, expression: exp.Least) -> str:
+147            if len(expression.expressions) > 1:
+148                return rename_func("MIN")(self, expression)
 149
-150        def transaction_sql(self, expression: exp.Transaction) -> str:
-151            this = expression.this
-152            this = f" {this}" if this else ""
-153            return f"BEGIN{this} TRANSACTION"
+150            return self.expressions(expression)
+151
+152        def transaction_sql(self, expression: exp.Transaction) -> str:
+153            this = expression.this
+154            this = f" {this}" if this else ""
+155            return f"BEGIN{this} TRANSACTION"
 
    
 
 
@@ -303,92 +305,94 @@
      66
  67        TRANSFORMS = {
  68            **generator.Generator.TRANSFORMS,  # type: ignore
- 69            **transforms.ELIMINATE_QUALIFY,  # type: ignore
- 70            exp.CountIf: count_if_to_sum,
- 71            exp.CurrentDate: lambda *_: "CURRENT_DATE",
- 72            exp.CurrentTime: lambda *_: "CURRENT_TIME",
- 73            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
- 74            exp.DateAdd: _date_add_sql,
- 75            exp.DateStrToDate: lambda self, e: self.sql(e, "this"),
- 76            exp.ILike: no_ilike_sql,
- 77            exp.JSONExtract: arrow_json_extract_sql,
- 78            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
- 79            exp.JSONBExtract: arrow_json_extract_sql,
- 80            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
- 81            exp.Levenshtein: rename_func("EDITDIST3"),
- 82            exp.LogicalOr: rename_func("MAX"),
- 83            exp.LogicalAnd: rename_func("MIN"),
- 84            exp.TableSample: no_tablesample_sql,
- 85            exp.TimeStrToTime: lambda self, e: self.sql(e, "this"),
- 86            exp.TryCast: no_trycast_sql,
- 87        }
- 88
- 89        PROPERTIES_LOCATION = {
- 90            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
- 91            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
- 92        }
- 93
- 94        LIMIT_FETCH = "LIMIT"
+ 69            exp.CountIf: count_if_to_sum,
+ 70            exp.CurrentDate: lambda *_: "CURRENT_DATE",
+ 71            exp.CurrentTime: lambda *_: "CURRENT_TIME",
+ 72            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+ 73            exp.DateAdd: _date_add_sql,
+ 74            exp.DateStrToDate: lambda self, e: self.sql(e, "this"),
+ 75            exp.ILike: no_ilike_sql,
+ 76            exp.JSONExtract: arrow_json_extract_sql,
+ 77            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+ 78            exp.JSONBExtract: arrow_json_extract_sql,
+ 79            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
+ 80            exp.Levenshtein: rename_func("EDITDIST3"),
+ 81            exp.LogicalOr: rename_func("MAX"),
+ 82            exp.LogicalAnd: rename_func("MIN"),
+ 83            exp.Select: transforms.preprocess(
+ 84                [transforms.eliminate_distinct_on, transforms.eliminate_qualify]
+ 85            ),
+ 86            exp.TableSample: no_tablesample_sql,
+ 87            exp.TimeStrToTime: lambda self, e: self.sql(e, "this"),
+ 88            exp.TryCast: no_trycast_sql,
+ 89        }
+ 90
+ 91        PROPERTIES_LOCATION = {
+ 92            k: exp.Properties.Location.UNSUPPORTED
+ 93            for k, v in generator.Generator.PROPERTIES_LOCATION.items()
+ 94        }
  95
- 96        def cast_sql(self, expression: exp.Cast) -> str:
- 97            if expression.to.this == exp.DataType.Type.DATE:
- 98                return self.func("DATE", expression.this)
- 99
-100            return super().cast_sql(expression)
+ 96        LIMIT_FETCH = "LIMIT"
+ 97
+ 98        def cast_sql(self, expression: exp.Cast) -> str:
+ 99            if expression.to.this == exp.DataType.Type.DATE:
+100                return self.func("DATE", expression.this)
 101
-102        def datediff_sql(self, expression: exp.DateDiff) -> str:
-103            unit = expression.args.get("unit")
-104            unit = unit.name.upper() if unit else "DAY"
-105
-106            sql = f"(JULIANDAY({self.sql(expression, 'this')}) - JULIANDAY({self.sql(expression, 'expression')}))"
+102            return super().cast_sql(expression)
+103
+104        def datediff_sql(self, expression: exp.DateDiff) -> str:
+105            unit = expression.args.get("unit")
+106            unit = unit.name.upper() if unit else "DAY"
 107
-108            if unit == "MONTH":
-109                sql = f"{sql} / 30.0"
-110            elif unit == "YEAR":
-111                sql = f"{sql} / 365.0"
-112            elif unit == "HOUR":
-113                sql = f"{sql} * 24.0"
-114            elif unit == "MINUTE":
-115                sql = f"{sql} * 1440.0"
-116            elif unit == "SECOND":
-117                sql = f"{sql} * 86400.0"
-118            elif unit == "MILLISECOND":
-119                sql = f"{sql} * 86400000.0"
-120            elif unit == "MICROSECOND":
-121                sql = f"{sql} * 86400000000.0"
-122            elif unit == "NANOSECOND":
-123                sql = f"{sql} * 8640000000000.0"
-124            else:
-125                self.unsupported("DATEDIFF unsupported for '{unit}'.")
-126
-127            return f"CAST({sql} AS INTEGER)"
+108            sql = f"(JULIANDAY({self.sql(expression, 'this')}) - JULIANDAY({self.sql(expression, 'expression')}))"
+109
+110            if unit == "MONTH":
+111                sql = f"{sql} / 30.0"
+112            elif unit == "YEAR":
+113                sql = f"{sql} / 365.0"
+114            elif unit == "HOUR":
+115                sql = f"{sql} * 24.0"
+116            elif unit == "MINUTE":
+117                sql = f"{sql} * 1440.0"
+118            elif unit == "SECOND":
+119                sql = f"{sql} * 86400.0"
+120            elif unit == "MILLISECOND":
+121                sql = f"{sql} * 86400000.0"
+122            elif unit == "MICROSECOND":
+123                sql = f"{sql} * 86400000000.0"
+124            elif unit == "NANOSECOND":
+125                sql = f"{sql} * 8640000000000.0"
+126            else:
+127                self.unsupported("DATEDIFF unsupported for '{unit}'.")
 128
-129        # https://www.sqlite.org/lang_aggfunc.html#group_concat
-130        def groupconcat_sql(self, expression):
-131            this = expression.this
-132            distinct = expression.find(exp.Distinct)
-133            if distinct:
-134                this = distinct.expressions[0]
-135                distinct = "DISTINCT "
-136
-137            if isinstance(expression.this, exp.Order):
-138                self.unsupported("SQLite GROUP_CONCAT doesn't support ORDER BY.")
-139                if expression.this.this and not distinct:
-140                    this = expression.this.this
-141
-142            separator = expression.args.get("separator")
-143            return f"GROUP_CONCAT({distinct or ''}{self.format_args(this, separator)})"
-144
-145        def least_sql(self, expression: exp.Least) -> str:
-146            if len(expression.expressions) > 1:
-147                return rename_func("MIN")(self, expression)
-148
-149            return self.expressions(expression)
+129            return f"CAST({sql} AS INTEGER)"
+130
+131        # https://www.sqlite.org/lang_aggfunc.html#group_concat
+132        def groupconcat_sql(self, expression):
+133            this = expression.this
+134            distinct = expression.find(exp.Distinct)
+135            if distinct:
+136                this = distinct.expressions[0]
+137                distinct = "DISTINCT "
+138
+139            if isinstance(expression.this, exp.Order):
+140                self.unsupported("SQLite GROUP_CONCAT doesn't support ORDER BY.")
+141                if expression.this.this and not distinct:
+142                    this = expression.this.this
+143
+144            separator = expression.args.get("separator")
+145            return f"GROUP_CONCAT({distinct or ''}{self.format_args(this, separator)})"
+146
+147        def least_sql(self, expression: exp.Least) -> str:
+148            if len(expression.expressions) > 1:
+149                return rename_func("MIN")(self, expression)
 150
-151        def transaction_sql(self, expression: exp.Transaction) -> str:
-152            this = expression.this
-153            this = f" {this}" if this else ""
-154            return f"BEGIN{this} TRANSACTION"
+151            return self.expressions(expression)
+152
+153        def transaction_sql(self, expression: exp.Transaction) -> str:
+154            this = expression.this
+155            this = f" {this}" if this else ""
+156            return f"BEGIN{this} TRANSACTION"
 
    
 
 
@@ -546,92 +550,94 @@ Default: "nulls_are_small"
      66
  67        TRANSFORMS = {
  68            **generator.Generator.TRANSFORMS,  # type: ignore
- 69            **transforms.ELIMINATE_QUALIFY,  # type: ignore
- 70            exp.CountIf: count_if_to_sum,
- 71            exp.CurrentDate: lambda *_: "CURRENT_DATE",
- 72            exp.CurrentTime: lambda *_: "CURRENT_TIME",
- 73            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
- 74            exp.DateAdd: _date_add_sql,
- 75            exp.DateStrToDate: lambda self, e: self.sql(e, "this"),
- 76            exp.ILike: no_ilike_sql,
- 77            exp.JSONExtract: arrow_json_extract_sql,
- 78            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
- 79            exp.JSONBExtract: arrow_json_extract_sql,
- 80            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
- 81            exp.Levenshtein: rename_func("EDITDIST3"),
- 82            exp.LogicalOr: rename_func("MAX"),
- 83            exp.LogicalAnd: rename_func("MIN"),
- 84            exp.TableSample: no_tablesample_sql,
- 85            exp.TimeStrToTime: lambda self, e: self.sql(e, "this"),
- 86            exp.TryCast: no_trycast_sql,
- 87        }
- 88
- 89        PROPERTIES_LOCATION = {
- 90            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
- 91            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
- 92        }
- 93
- 94        LIMIT_FETCH = "LIMIT"
+ 69            exp.CountIf: count_if_to_sum,
+ 70            exp.CurrentDate: lambda *_: "CURRENT_DATE",
+ 71            exp.CurrentTime: lambda *_: "CURRENT_TIME",
+ 72            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+ 73            exp.DateAdd: _date_add_sql,
+ 74            exp.DateStrToDate: lambda self, e: self.sql(e, "this"),
+ 75            exp.ILike: no_ilike_sql,
+ 76            exp.JSONExtract: arrow_json_extract_sql,
+ 77            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+ 78            exp.JSONBExtract: arrow_json_extract_sql,
+ 79            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
+ 80            exp.Levenshtein: rename_func("EDITDIST3"),
+ 81            exp.LogicalOr: rename_func("MAX"),
+ 82            exp.LogicalAnd: rename_func("MIN"),
+ 83            exp.Select: transforms.preprocess(
+ 84                [transforms.eliminate_distinct_on, transforms.eliminate_qualify]
+ 85            ),
+ 86            exp.TableSample: no_tablesample_sql,
+ 87            exp.TimeStrToTime: lambda self, e: self.sql(e, "this"),
+ 88            exp.TryCast: no_trycast_sql,
+ 89        }
+ 90
+ 91        PROPERTIES_LOCATION = {
+ 92            k: exp.Properties.Location.UNSUPPORTED
+ 93            for k, v in generator.Generator.PROPERTIES_LOCATION.items()
+ 94        }
  95
- 96        def cast_sql(self, expression: exp.Cast) -> str:
- 97            if expression.to.this == exp.DataType.Type.DATE:
- 98                return self.func("DATE", expression.this)
- 99
-100            return super().cast_sql(expression)
+ 96        LIMIT_FETCH = "LIMIT"
+ 97
+ 98        def cast_sql(self, expression: exp.Cast) -> str:
+ 99            if expression.to.this == exp.DataType.Type.DATE:
+100                return self.func("DATE", expression.this)
 101
-102        def datediff_sql(self, expression: exp.DateDiff) -> str:
-103            unit = expression.args.get("unit")
-104            unit = unit.name.upper() if unit else "DAY"
-105
-106            sql = f"(JULIANDAY({self.sql(expression, 'this')}) - JULIANDAY({self.sql(expression, 'expression')}))"
+102            return super().cast_sql(expression)
+103
+104        def datediff_sql(self, expression: exp.DateDiff) -> str:
+105            unit = expression.args.get("unit")
+106            unit = unit.name.upper() if unit else "DAY"
 107
-108            if unit == "MONTH":
-109                sql = f"{sql} / 30.0"
-110            elif unit == "YEAR":
-111                sql = f"{sql} / 365.0"
-112            elif unit == "HOUR":
-113                sql = f"{sql} * 24.0"
-114            elif unit == "MINUTE":
-115                sql = f"{sql} * 1440.0"
-116            elif unit == "SECOND":
-117                sql = f"{sql} * 86400.0"
-118            elif unit == "MILLISECOND":
-119                sql = f"{sql} * 86400000.0"
-120            elif unit == "MICROSECOND":
-121                sql = f"{sql} * 86400000000.0"
-122            elif unit == "NANOSECOND":
-123                sql = f"{sql} * 8640000000000.0"
-124            else:
-125                self.unsupported("DATEDIFF unsupported for '{unit}'.")
-126
-127            return f"CAST({sql} AS INTEGER)"
+108            sql = f"(JULIANDAY({self.sql(expression, 'this')}) - JULIANDAY({self.sql(expression, 'expression')}))"
+109
+110            if unit == "MONTH":
+111                sql = f"{sql} / 30.0"
+112            elif unit == "YEAR":
+113                sql = f"{sql} / 365.0"
+114            elif unit == "HOUR":
+115                sql = f"{sql} * 24.0"
+116            elif unit == "MINUTE":
+117                sql = f"{sql} * 1440.0"
+118            elif unit == "SECOND":
+119                sql = f"{sql} * 86400.0"
+120            elif unit == "MILLISECOND":
+121                sql = f"{sql} * 86400000.0"
+122            elif unit == "MICROSECOND":
+123                sql = f"{sql} * 86400000000.0"
+124            elif unit == "NANOSECOND":
+125                sql = f"{sql} * 8640000000000.0"
+126            else:
+127                self.unsupported("DATEDIFF unsupported for '{unit}'.")
 128
-129        # https://www.sqlite.org/lang_aggfunc.html#group_concat
-130        def groupconcat_sql(self, expression):
-131            this = expression.this
-132            distinct = expression.find(exp.Distinct)
-133            if distinct:
-134                this = distinct.expressions[0]
-135                distinct = "DISTINCT "
-136
-137            if isinstance(expression.this, exp.Order):
-138                self.unsupported("SQLite GROUP_CONCAT doesn't support ORDER BY.")
-139                if expression.this.this and not distinct:
-140                    this = expression.this.this
-141
-142            separator = expression.args.get("separator")
-143            return f"GROUP_CONCAT({distinct or ''}{self.format_args(this, separator)})"
-144
-145        def least_sql(self, expression: exp.Least) -> str:
-146            if len(expression.expressions) > 1:
-147                return rename_func("MIN")(self, expression)
-148
-149            return self.expressions(expression)
+129            return f"CAST({sql} AS INTEGER)"
+130
+131        # https://www.sqlite.org/lang_aggfunc.html#group_concat
+132        def groupconcat_sql(self, expression):
+133            this = expression.this
+134            distinct = expression.find(exp.Distinct)
+135            if distinct:
+136                this = distinct.expressions[0]
+137                distinct = "DISTINCT "
+138
+139            if isinstance(expression.this, exp.Order):
+140                self.unsupported("SQLite GROUP_CONCAT doesn't support ORDER BY.")
+141                if expression.this.this and not distinct:
+142                    this = expression.this.this
+143
+144            separator = expression.args.get("separator")
+145            return f"GROUP_CONCAT({distinct or ''}{self.format_args(this, separator)})"
+146
+147        def least_sql(self, expression: exp.Least) -> str:
+148            if len(expression.expressions) > 1:
+149                return rename_func("MIN")(self, expression)
 150
-151        def transaction_sql(self, expression: exp.Transaction) -> str:
-152            this = expression.this
-153            this = f" {this}" if this else ""
-154            return f"BEGIN{this} TRANSACTION"
+151            return self.expressions(expression)
+152
+153        def transaction_sql(self, expression: exp.Transaction) -> str:
+154            this = expression.this
+155            this = f" {this}" if this else ""
+156            return f"BEGIN{this} TRANSACTION"
    @@ -690,11 +696,11 @@ Default: True - 
     96        def cast_sql(self, expression: exp.Cast) -> str:
- 97            if expression.to.this == exp.DataType.Type.DATE:
- 98                return self.func("DATE", expression.this)
- 99
-100            return super().cast_sql(expression)
+            
     98        def cast_sql(self, expression: exp.Cast) -> str:
+ 99            if expression.to.this == exp.DataType.Type.DATE:
+100                return self.func("DATE", expression.this)
+101
+102            return super().cast_sql(expression)
 
    
 
 
@@ -712,32 +718,32 @@ Default: True
    - 
    102        def datediff_sql(self, expression: exp.DateDiff) -> str:
-103            unit = expression.args.get("unit")
-104            unit = unit.name.upper() if unit else "DAY"
-105
-106            sql = f"(JULIANDAY({self.sql(expression, 'this')}) - JULIANDAY({self.sql(expression, 'expression')}))"
+            
    104        def datediff_sql(self, expression: exp.DateDiff) -> str:
+105            unit = expression.args.get("unit")
+106            unit = unit.name.upper() if unit else "DAY"
 107
-108            if unit == "MONTH":
-109                sql = f"{sql} / 30.0"
-110            elif unit == "YEAR":
-111                sql = f"{sql} / 365.0"
-112            elif unit == "HOUR":
-113                sql = f"{sql} * 24.0"
-114            elif unit == "MINUTE":
-115                sql = f"{sql} * 1440.0"
-116            elif unit == "SECOND":
-117                sql = f"{sql} * 86400.0"
-118            elif unit == "MILLISECOND":
-119                sql = f"{sql} * 86400000.0"
-120            elif unit == "MICROSECOND":
-121                sql = f"{sql} * 86400000000.0"
-122            elif unit == "NANOSECOND":
-123                sql = f"{sql} * 8640000000000.0"
-124            else:
-125                self.unsupported("DATEDIFF unsupported for '{unit}'.")
-126
-127            return f"CAST({sql} AS INTEGER)"
+108            sql = f"(JULIANDAY({self.sql(expression, 'this')}) - JULIANDAY({self.sql(expression, 'expression')}))"
+109
+110            if unit == "MONTH":
+111                sql = f"{sql} / 30.0"
+112            elif unit == "YEAR":
+113                sql = f"{sql} / 365.0"
+114            elif unit == "HOUR":
+115                sql = f"{sql} * 24.0"
+116            elif unit == "MINUTE":
+117                sql = f"{sql} * 1440.0"
+118            elif unit == "SECOND":
+119                sql = f"{sql} * 86400.0"
+120            elif unit == "MILLISECOND":
+121                sql = f"{sql} * 86400000.0"
+122            elif unit == "MICROSECOND":
+123                sql = f"{sql} * 86400000000.0"
+124            elif unit == "NANOSECOND":
+125                sql = f"{sql} * 8640000000000.0"
+126            else:
+127                self.unsupported("DATEDIFF unsupported for '{unit}'.")
+128
+129            return f"CAST({sql} AS INTEGER)"
 
    
 
 
@@ -755,20 +761,20 @@ Default: True
    - 
    130        def groupconcat_sql(self, expression):
-131            this = expression.this
-132            distinct = expression.find(exp.Distinct)
-133            if distinct:
-134                this = distinct.expressions[0]
-135                distinct = "DISTINCT "
-136
-137            if isinstance(expression.this, exp.Order):
-138                self.unsupported("SQLite GROUP_CONCAT doesn't support ORDER BY.")
-139                if expression.this.this and not distinct:
-140                    this = expression.this.this
-141
-142            separator = expression.args.get("separator")
-143            return f"GROUP_CONCAT({distinct or ''}{self.format_args(this, separator)})"
+            
    132        def groupconcat_sql(self, expression):
+133            this = expression.this
+134            distinct = expression.find(exp.Distinct)
+135            if distinct:
+136                this = distinct.expressions[0]
+137                distinct = "DISTINCT "
+138
+139            if isinstance(expression.this, exp.Order):
+140                self.unsupported("SQLite GROUP_CONCAT doesn't support ORDER BY.")
+141                if expression.this.this and not distinct:
+142                    this = expression.this.this
+143
+144            separator = expression.args.get("separator")
+145            return f"GROUP_CONCAT({distinct or ''}{self.format_args(this, separator)})"
 
    
 
 
@@ -786,11 +792,11 @@ Default: True
    - 
    145        def least_sql(self, expression: exp.Least) -> str:
-146            if len(expression.expressions) > 1:
-147                return rename_func("MIN")(self, expression)
-148
-149            return self.expressions(expression)
+            
    147        def least_sql(self, expression: exp.Least) -> str:
+148            if len(expression.expressions) > 1:
+149                return rename_func("MIN")(self, expression)
+150
+151            return self.expressions(expression)
 
    
 
 
@@ -808,10 +814,10 @@ Default: True
    - 
    151        def transaction_sql(self, expression: exp.Transaction) -> str:
-152            this = expression.this
-153            this = f" {this}" if this else ""
-154            return f"BEGIN{this} TRANSACTION"
+            
    153        def transaction_sql(self, expression: exp.Transaction) -> str:
+154            this = expression.this
+155            this = f" {this}" if this else ""
+156            return f"BEGIN{this} TRANSACTION"
 
    
 
 
@@ -942,7 +948,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -951,6 +957,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/starrocks.html b/docs/sqlglot/dialects/starrocks.html
index 7ea6da5..a947798 100644
--- a/docs/sqlglot/dialects/starrocks.html
+++ b/docs/sqlglot/dialects/starrocks.html
@@ -107,15 +107,16 @@
     34            exp.JSONExtractScalar: arrow_json_extract_sql,
 35            exp.JSONExtract: arrow_json_extract_sql,
 36            exp.DateDiff: rename_func("DATEDIFF"),
-37            exp.StrToUnix: lambda self, e: f"UNIX_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-38            exp.TimestampTrunc: lambda self, e: self.func(
-39                "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this
-40            ),
-41            exp.TimeStrToDate: rename_func("TO_DATE"),
-42            exp.UnixToStr: lambda self, e: f"FROM_UNIXTIME({self.sql(e, 'this')}, {self.format_time(e)})",
-43            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
-44        }
-45        TRANSFORMS.pop(exp.DateTrunc)
+37            exp.RegexpLike: rename_func("REGEXP"),
+38            exp.StrToUnix: lambda self, e: f"UNIX_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+39            exp.TimestampTrunc: lambda self, e: self.func(
+40                "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this
+41            ),
+42            exp.TimeStrToDate: rename_func("TO_DATE"),
+43            exp.UnixToStr: lambda self, e: f"FROM_UNIXTIME({self.sql(e, 'this')}, {self.format_time(e)})",
+44            exp.UnixToTime: rename_func("FROM_UNIXTIME"),
+45        }
+46        TRANSFORMS.pop(exp.DateTrunc)
    @@ -155,15 +156,16 @@ 35 exp.JSONExtractScalar: arrow_json_extract_sql, 36 exp.JSONExtract: arrow_json_extract_sql, 37 exp.DateDiff: rename_func("DATEDIFF"), -38 exp.StrToUnix: lambda self, e: f"UNIX_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", -39 exp.TimestampTrunc: lambda self, e: self.func( -40 "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this -41 ), -42 exp.TimeStrToDate: rename_func("TO_DATE"), -43 exp.UnixToStr: lambda self, e: f"FROM_UNIXTIME({self.sql(e, 'this')}, {self.format_time(e)})", -44 exp.UnixToTime: rename_func("FROM_UNIXTIME"), -45 } -46 TRANSFORMS.pop(exp.DateTrunc) +38 exp.RegexpLike: rename_func("REGEXP"), +39 exp.StrToUnix: lambda self, e: f"UNIX_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", +40 exp.TimestampTrunc: lambda self, e: self.func( +41 "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this +42 ), +43 exp.TimeStrToDate: rename_func("TO_DATE"), +44 exp.UnixToStr: lambda self, e: f"FROM_UNIXTIME({self.sql(e, 'this')}, {self.format_time(e)})", +45 exp.UnixToTime: rename_func("FROM_UNIXTIME"), +46 } +47 TRANSFORMS.pop(exp.DateTrunc) @@ -280,15 +282,16 @@ Default: "nulls_are_small" 35 exp.JSONExtractScalar: arrow_json_extract_sql, 36 exp.JSONExtract: arrow_json_extract_sql, 37 exp.DateDiff: rename_func("DATEDIFF"), -38 exp.StrToUnix: lambda self, e: f"UNIX_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", -39 exp.TimestampTrunc: lambda self, e: self.func( -40 "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this -41 ), -42 exp.TimeStrToDate: rename_func("TO_DATE"), -43 exp.UnixToStr: lambda self, e: f"FROM_UNIXTIME({self.sql(e, 'this')}, {self.format_time(e)})", -44 exp.UnixToTime: rename_func("FROM_UNIXTIME"), -45 } -46 TRANSFORMS.pop(exp.DateTrunc) +38 exp.RegexpLike: rename_func("REGEXP"), +39 exp.StrToUnix: lambda self, e: f"UNIX_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", +40 exp.TimestampTrunc: lambda self, e: self.func( +41 "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this +42 ), +43 exp.TimeStrToDate: rename_func("TO_DATE"), +44 exp.UnixToStr: lambda self, e: f"FROM_UNIXTIME({self.sql(e, 'this')}, {self.format_time(e)})", +45 exp.UnixToTime: rename_func("FROM_UNIXTIME"), +46 } +47 TRANSFORMS.pop(exp.DateTrunc) @@ -460,7 +463,7 @@ Default: True
    where_sql
    window_sql
    partition_by_sql
    -
    window_spec_sql
    +
    windowspec_sql
    withingroup_sql
    between_sql
    bracket_sql
    @@ -469,6 +472,7 @@ Default: True
    exists_sql
    case_sql
    constraint_sql
    +
    nextvaluefor_sql
    extract_sql
    trim_sql
    concat_sql
    diff --git a/docs/sqlglot/dialects/tableau.html b/docs/sqlglot/dialects/tableau.html index af176af..bce76c0 100644 --- a/docs/sqlglot/dialects/tableau.html +++ b/docs/sqlglot/dialects/tableau.html @@ -73,7 +73,7 @@ 
     1from __future__ import annotations
  2
- 3from sqlglot import exp, generator, parser
+ 3from sqlglot import exp, generator, parser, transforms
  4from sqlglot.dialects.dialect import Dialect
  5
  6
@@ -102,18 +102,19 @@
 29            exp.If: _if_sql,
 30            exp.Coalesce: _coalesce_sql,
 31            exp.Count: _count_sql,
-32        }
-33
-34        PROPERTIES_LOCATION = {
-35            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-36            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-37        }
-38
-39    class Parser(parser.Parser):
-40        FUNCTIONS = {
-41            **parser.Parser.FUNCTIONS,  # type: ignore
-42            "COUNTD": lambda args: exp.Count(this=exp.Distinct(expressions=args)),
-43        }
+32            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
+33        }
+34
+35        PROPERTIES_LOCATION = {
+36            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+37            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+38        }
+39
+40    class Parser(parser.Parser):
+41        FUNCTIONS = {
+42            **parser.Parser.FUNCTIONS,  # type: ignore
+43            "COUNTD": lambda args: exp.Count(this=exp.Distinct(expressions=args)),
+44        }
    @@ -139,18 +140,19 @@ 30 exp.If: _if_sql, 31 exp.Coalesce: _coalesce_sql, 32 exp.Count: _count_sql, -33 } -34 -35 PROPERTIES_LOCATION = { -36 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -37 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, -38 } -39 -40 class Parser(parser.Parser): -41 FUNCTIONS = { -42 **parser.Parser.FUNCTIONS, # type: ignore -43 "COUNTD": lambda args: exp.Count(this=exp.Distinct(expressions=args)), -44 } +33 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), +34 } +35 +36 PROPERTIES_LOCATION = { +37 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +38 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, +39 } +40 +41 class Parser(parser.Parser): +42 FUNCTIONS = { +43 **parser.Parser.FUNCTIONS, # type: ignore +44 "COUNTD": lambda args: exp.Count(this=exp.Distinct(expressions=args)), +45 } @@ -194,12 +196,13 @@ 30 exp.If: _if_sql, 31 exp.Coalesce: _coalesce_sql, 32 exp.Count: _count_sql, -33 } -34 -35 PROPERTIES_LOCATION = { -36 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -37 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, -38 } +33 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), +34 } +35 +36 PROPERTIES_LOCATION = { +37 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +38 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, +39 } @@ -371,7 +374,7 @@ Default: True
    where_sql
    window_sql
    partition_by_sql
    -
    window_spec_sql
    +
    windowspec_sql
    withingroup_sql
    between_sql
    bracket_sql
    @@ -380,6 +383,7 @@ Default: True
    exists_sql
    case_sql
    constraint_sql
    +
    nextvaluefor_sql
    extract_sql
    trim_sql
    concat_sql
    @@ -491,11 +495,11 @@ Default: True - 
    40    class Parser(parser.Parser):
-41        FUNCTIONS = {
-42            **parser.Parser.FUNCTIONS,  # type: ignore
-43            "COUNTD": lambda args: exp.Count(this=exp.Distinct(expressions=args)),
-44        }
+            
    41    class Parser(parser.Parser):
+42        FUNCTIONS = {
+43            **parser.Parser.FUNCTIONS,  # type: ignore
+44            "COUNTD": lambda args: exp.Count(this=exp.Distinct(expressions=args)),
+45        }
 
    
 
 
diff --git a/docs/sqlglot/dialects/teradata.html b/docs/sqlglot/dialects/teradata.html
index 0666ea1..60948e2 100644
--- a/docs/sqlglot/dialects/teradata.html
+++ b/docs/sqlglot/dialects/teradata.html
@@ -96,7 +96,7 @@
       2
   3import typing as t
   4
-  5from sqlglot import exp, generator, parser, tokens
+  5from sqlglot import exp, generator, parser, tokens, transforms
   6from sqlglot.dialects.dialect import (
   7    Dialect,
   8    format_time_lambda,
@@ -242,38 +242,39 @@
 148            **generator.Generator.TRANSFORMS,
 149            exp.Max: max_or_greatest,
 150            exp.Min: min_or_least,
-151            exp.TimeToStr: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE FORMAT {self.format_time(e)})",
-152            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
-153        }
-154
-155        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
-156            return f"PARTITION BY {self.sql(expression, 'this')}"
-157
-158        # FROM before SET in Teradata UPDATE syntax
-159        # https://docs.teradata.com/r/Enterprise_IntelliFlex_VMware/Teradata-VantageTM-SQL-Data-Manipulation-Language-17.20/Statement-Syntax/UPDATE/UPDATE-Syntax-Basic-Form-FROM-Clause
-160        def update_sql(self, expression: exp.Update) -> str:
-161            this = self.sql(expression, "this")
-162            from_sql = self.sql(expression, "from")
-163            set_sql = self.expressions(expression, flat=True)
-164            where_sql = self.sql(expression, "where")
-165            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
-166            return self.prepend_ctes(expression, sql)
-167
-168        def mod_sql(self, expression: exp.Mod) -> str:
-169            return self.binary(expression, "MOD")
-170
-171        def datatype_sql(self, expression: exp.DataType) -> str:
-172            type_sql = super().datatype_sql(expression)
-173            prefix_sql = expression.args.get("prefix")
-174            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
-175
-176        def rangen_sql(self, expression: exp.RangeN) -> str:
-177            this = self.sql(expression, "this")
-178            expressions_sql = self.expressions(expression)
-179            each_sql = self.sql(expression, "each")
-180            each_sql = f" EACH {each_sql}" if each_sql else ""
-181
-182            return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})"
+151            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
+152            exp.TimeToStr: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE FORMAT {self.format_time(e)})",
+153            exp.ToChar: lambda self, e: self.function_fallback_sql(e),
+154        }
+155
+156        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
+157            return f"PARTITION BY {self.sql(expression, 'this')}"
+158
+159        # FROM before SET in Teradata UPDATE syntax
+160        # https://docs.teradata.com/r/Enterprise_IntelliFlex_VMware/Teradata-VantageTM-SQL-Data-Manipulation-Language-17.20/Statement-Syntax/UPDATE/UPDATE-Syntax-Basic-Form-FROM-Clause
+161        def update_sql(self, expression: exp.Update) -> str:
+162            this = self.sql(expression, "this")
+163            from_sql = self.sql(expression, "from")
+164            set_sql = self.expressions(expression, flat=True)
+165            where_sql = self.sql(expression, "where")
+166            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
+167            return self.prepend_ctes(expression, sql)
+168
+169        def mod_sql(self, expression: exp.Mod) -> str:
+170            return self.binary(expression, "MOD")
+171
+172        def datatype_sql(self, expression: exp.DataType) -> str:
+173            type_sql = super().datatype_sql(expression)
+174            prefix_sql = expression.args.get("prefix")
+175            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
+176
+177        def rangen_sql(self, expression: exp.RangeN) -> str:
+178            this = self.sql(expression, "this")
+179            expressions_sql = self.expressions(expression)
+180            each_sql = self.sql(expression, "each")
+181            each_sql = f" EACH {each_sql}" if each_sql else ""
+182
+183            return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})"
    @@ -425,38 +426,39 @@ 149 **generator.Generator.TRANSFORMS, 150 exp.Max: max_or_greatest, 151 exp.Min: min_or_least, -152 exp.TimeToStr: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE FORMAT {self.format_time(e)})", -153 exp.ToChar: lambda self, e: self.function_fallback_sql(e), -154 } -155 -156 def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str: -157 return f"PARTITION BY {self.sql(expression, 'this')}" -158 -159 # FROM before SET in Teradata UPDATE syntax -160 # https://docs.teradata.com/r/Enterprise_IntelliFlex_VMware/Teradata-VantageTM-SQL-Data-Manipulation-Language-17.20/Statement-Syntax/UPDATE/UPDATE-Syntax-Basic-Form-FROM-Clause -161 def update_sql(self, expression: exp.Update) -> str: -162 this = self.sql(expression, "this") -163 from_sql = self.sql(expression, "from") -164 set_sql = self.expressions(expression, flat=True) -165 where_sql = self.sql(expression, "where") -166 sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}" -167 return self.prepend_ctes(expression, sql) -168 -169 def mod_sql(self, expression: exp.Mod) -> str: -170 return self.binary(expression, "MOD") -171 -172 def datatype_sql(self, expression: exp.DataType) -> str: -173 type_sql = super().datatype_sql(expression) -174 prefix_sql = expression.args.get("prefix") -175 return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql -176 -177 def rangen_sql(self, expression: exp.RangeN) -> str: -178 this = self.sql(expression, "this") -179 expressions_sql = self.expressions(expression) -180 each_sql = self.sql(expression, "each") -181 each_sql = f" EACH {each_sql}" if each_sql else "" -182 -183 return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})" +152 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), +153 exp.TimeToStr: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE FORMAT {self.format_time(e)})", +154 exp.ToChar: lambda self, e: self.function_fallback_sql(e), +155 } +156 +157 def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str: +158 return f"PARTITION BY {self.sql(expression, 'this')}" +159 +160 # FROM before SET in Teradata UPDATE syntax +161 # https://docs.teradata.com/r/Enterprise_IntelliFlex_VMware/Teradata-VantageTM-SQL-Data-Manipulation-Language-17.20/Statement-Syntax/UPDATE/UPDATE-Syntax-Basic-Form-FROM-Clause +162 def update_sql(self, expression: exp.Update) -> str: +163 this = self.sql(expression, "this") +164 from_sql = self.sql(expression, "from") +165 set_sql = self.expressions(expression, flat=True) +166 where_sql = self.sql(expression, "where") +167 sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}" +168 return self.prepend_ctes(expression, sql) +169 +170 def mod_sql(self, expression: exp.Mod) -> str: +171 return self.binary(expression, "MOD") +172 +173 def datatype_sql(self, expression: exp.DataType) -> str: +174 type_sql = super().datatype_sql(expression) +175 prefix_sql = expression.args.get("prefix") +176 return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql +177 +178 def rangen_sql(self, expression: exp.RangeN) -> str: +179 this = self.sql(expression, "this") +180 expressions_sql = self.expressions(expression) +181 each_sql = self.sql(expression, "each") +182 each_sql = f" EACH {each_sql}" if each_sql else "" +183 +184 return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})" @@ -707,38 +709,39 @@ Default: "nulls_are_small" 149 **generator.Generator.TRANSFORMS, 150 exp.Max: max_or_greatest, 151 exp.Min: min_or_least, -152 exp.TimeToStr: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE FORMAT {self.format_time(e)})", -153 exp.ToChar: lambda self, e: self.function_fallback_sql(e), -154 } -155 -156 def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str: -157 return f"PARTITION BY {self.sql(expression, 'this')}" -158 -159 # FROM before SET in Teradata UPDATE syntax -160 # https://docs.teradata.com/r/Enterprise_IntelliFlex_VMware/Teradata-VantageTM-SQL-Data-Manipulation-Language-17.20/Statement-Syntax/UPDATE/UPDATE-Syntax-Basic-Form-FROM-Clause -161 def update_sql(self, expression: exp.Update) -> str: -162 this = self.sql(expression, "this") -163 from_sql = self.sql(expression, "from") -164 set_sql = self.expressions(expression, flat=True) -165 where_sql = self.sql(expression, "where") -166 sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}" -167 return self.prepend_ctes(expression, sql) -168 -169 def mod_sql(self, expression: exp.Mod) -> str: -170 return self.binary(expression, "MOD") -171 -172 def datatype_sql(self, expression: exp.DataType) -> str: -173 type_sql = super().datatype_sql(expression) -174 prefix_sql = expression.args.get("prefix") -175 return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql -176 -177 def rangen_sql(self, expression: exp.RangeN) -> str: -178 this = self.sql(expression, "this") -179 expressions_sql = self.expressions(expression) -180 each_sql = self.sql(expression, "each") -181 each_sql = f" EACH {each_sql}" if each_sql else "" -182 -183 return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})" +152 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), +153 exp.TimeToStr: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE FORMAT {self.format_time(e)})", +154 exp.ToChar: lambda self, e: self.function_fallback_sql(e), +155 } +156 +157 def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str: +158 return f"PARTITION BY {self.sql(expression, 'this')}" +159 +160 # FROM before SET in Teradata UPDATE syntax +161 # https://docs.teradata.com/r/Enterprise_IntelliFlex_VMware/Teradata-VantageTM-SQL-Data-Manipulation-Language-17.20/Statement-Syntax/UPDATE/UPDATE-Syntax-Basic-Form-FROM-Clause +162 def update_sql(self, expression: exp.Update) -> str: +163 this = self.sql(expression, "this") +164 from_sql = self.sql(expression, "from") +165 set_sql = self.expressions(expression, flat=True) +166 where_sql = self.sql(expression, "where") +167 sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}" +168 return self.prepend_ctes(expression, sql) +169 +170 def mod_sql(self, expression: exp.Mod) -> str: +171 return self.binary(expression, "MOD") +172 +173 def datatype_sql(self, expression: exp.DataType) -> str: +174 type_sql = super().datatype_sql(expression) +175 prefix_sql = expression.args.get("prefix") +176 return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql +177 +178 def rangen_sql(self, expression: exp.RangeN) -> str: +179 this = self.sql(expression, "this") +180 expressions_sql = self.expressions(expression) +181 each_sql = self.sql(expression, "each") +182 each_sql = f" EACH {each_sql}" if each_sql else "" +183 +184 return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})" @@ -797,8 +800,8 @@ Default: True - 
    156        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
-157            return f"PARTITION BY {self.sql(expression, 'this')}"
+            
    157        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
+158            return f"PARTITION BY {self.sql(expression, 'this')}"
 
    
 
 
@@ -816,13 +819,13 @@ Default: True
    - 
    161        def update_sql(self, expression: exp.Update) -> str:
-162            this = self.sql(expression, "this")
-163            from_sql = self.sql(expression, "from")
-164            set_sql = self.expressions(expression, flat=True)
-165            where_sql = self.sql(expression, "where")
-166            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
-167            return self.prepend_ctes(expression, sql)
+            
    162        def update_sql(self, expression: exp.Update) -> str:
+163            this = self.sql(expression, "this")
+164            from_sql = self.sql(expression, "from")
+165            set_sql = self.expressions(expression, flat=True)
+166            where_sql = self.sql(expression, "where")
+167            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
+168            return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -840,8 +843,8 @@ Default: True
    - 
    169        def mod_sql(self, expression: exp.Mod) -> str:
-170            return self.binary(expression, "MOD")
+            
    170        def mod_sql(self, expression: exp.Mod) -> str:
+171            return self.binary(expression, "MOD")
 
    
 
 
@@ -859,10 +862,10 @@ Default: True
    - 
    172        def datatype_sql(self, expression: exp.DataType) -> str:
-173            type_sql = super().datatype_sql(expression)
-174            prefix_sql = expression.args.get("prefix")
-175            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
+            
    173        def datatype_sql(self, expression: exp.DataType) -> str:
+174            type_sql = super().datatype_sql(expression)
+175            prefix_sql = expression.args.get("prefix")
+176            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
 
    
 
 
@@ -880,13 +883,13 @@ Default: True
    - 
    177        def rangen_sql(self, expression: exp.RangeN) -> str:
-178            this = self.sql(expression, "this")
-179            expressions_sql = self.expressions(expression)
-180            each_sql = self.sql(expression, "each")
-181            each_sql = f" EACH {each_sql}" if each_sql else ""
-182
-183            return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})"
+            
    178        def rangen_sql(self, expression: exp.RangeN) -> str:
+179            this = self.sql(expression, "this")
+180            expressions_sql = self.expressions(expression)
+181            each_sql = self.sql(expression, "each")
+182            each_sql = f" EACH {each_sql}" if each_sql else ""
+183
+184            return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})"
 
    
 
 
@@ -1015,7 +1018,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -1024,6 +1027,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/trino.html b/docs/sqlglot/dialects/trino.html
index 3baa74c..dbf148e 100644
--- a/docs/sqlglot/dialects/trino.html
+++ b/docs/sqlglot/dialects/trino.html
@@ -324,7 +324,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -333,6 +333,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/dialects/tsql.html b/docs/sqlglot/dialects/tsql.html
index d1c2096..dedf090 100644
--- a/docs/sqlglot/dialects/tsql.html
+++ b/docs/sqlglot/dialects/tsql.html
@@ -94,7 +94,7 @@
       3import re
   4import typing as t
   5
-  6from sqlglot import exp, generator, parser, tokens
+  6from sqlglot import exp, generator, parser, tokens, transforms
   7from sqlglot.dialects.dialect import (
   8    Dialect,
   9    max_or_greatest,
@@ -554,52 +554,53 @@
 463            exp.DateDiff: generate_date_delta_with_unit_sql,
 464            exp.CurrentDate: rename_func("GETDATE"),
 465            exp.CurrentTimestamp: rename_func("GETDATE"),
-466            exp.If: rename_func("IIF"),
-467            exp.NumberToStr: _format_sql,
-468            exp.TimeToStr: _format_sql,
-469            exp.GroupConcat: _string_agg_sql,
-470            exp.Max: max_or_greatest,
-471            exp.MD5: lambda self, e: self.func("HASHBYTES", exp.Literal.string("MD5"), e.this),
-472            exp.Min: min_or_least,
+466            exp.GroupConcat: _string_agg_sql,
+467            exp.If: rename_func("IIF"),
+468            exp.Max: max_or_greatest,
+469            exp.MD5: lambda self, e: self.func("HASHBYTES", exp.Literal.string("MD5"), e.this),
+470            exp.Min: min_or_least,
+471            exp.NumberToStr: _format_sql,
+472            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
 473            exp.SHA: lambda self, e: self.func("HASHBYTES", exp.Literal.string("SHA1"), e.this),
 474            exp.SHA2: lambda self, e: self.func(
 475                "HASHBYTES", exp.Literal.string(f"SHA2_{e.args.get('length', 256)}"), e.this
 476            ),
-477        }
-478
-479        TRANSFORMS.pop(exp.ReturnsProperty)
-480
-481        PROPERTIES_LOCATION = {
-482            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-483            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
-484        }
-485
-486        LIMIT_FETCH = "FETCH"
-487
-488        def offset_sql(self, expression: exp.Offset) -> str:
-489            return f"{super().offset_sql(expression)} ROWS"
-490
-491        def systemtime_sql(self, expression: exp.SystemTime) -> str:
-492            kind = expression.args["kind"]
-493            if kind == "ALL":
-494                return "FOR SYSTEM_TIME ALL"
-495
-496            start = self.sql(expression, "this")
-497            if kind == "AS OF":
-498                return f"FOR SYSTEM_TIME AS OF {start}"
-499
-500            end = self.sql(expression, "expression")
-501            if kind == "FROM":
-502                return f"FOR SYSTEM_TIME FROM {start} TO {end}"
-503            if kind == "BETWEEN":
-504                return f"FOR SYSTEM_TIME BETWEEN {start} AND {end}"
-505
-506            return f"FOR SYSTEM_TIME CONTAINED IN ({start}, {end})"
-507
-508        def returnsproperty_sql(self, expression: exp.ReturnsProperty) -> str:
-509            table = expression.args.get("table")
-510            table = f"{table} " if table else ""
-511            return f"RETURNS {table}{self.sql(expression, 'this')}"
+477            exp.TimeToStr: _format_sql,
+478        }
+479
+480        TRANSFORMS.pop(exp.ReturnsProperty)
+481
+482        PROPERTIES_LOCATION = {
+483            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+484            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+485        }
+486
+487        LIMIT_FETCH = "FETCH"
+488
+489        def offset_sql(self, expression: exp.Offset) -> str:
+490            return f"{super().offset_sql(expression)} ROWS"
+491
+492        def systemtime_sql(self, expression: exp.SystemTime) -> str:
+493            kind = expression.args["kind"]
+494            if kind == "ALL":
+495                return "FOR SYSTEM_TIME ALL"
+496
+497            start = self.sql(expression, "this")
+498            if kind == "AS OF":
+499                return f"FOR SYSTEM_TIME AS OF {start}"
+500
+501            end = self.sql(expression, "expression")
+502            if kind == "FROM":
+503                return f"FOR SYSTEM_TIME FROM {start} TO {end}"
+504            if kind == "BETWEEN":
+505                return f"FOR SYSTEM_TIME BETWEEN {start} AND {end}"
+506
+507            return f"FOR SYSTEM_TIME CONTAINED IN ({start}, {end})"
+508
+509        def returnsproperty_sql(self, expression: exp.ReturnsProperty) -> str:
+510            table = expression.args.get("table")
+511            table = f"{table} " if table else ""
+512            return f"RETURNS {table}{self.sql(expression, 'this')}"
    @@ -951,52 +952,53 @@ 464 exp.DateDiff: generate_date_delta_with_unit_sql, 465 exp.CurrentDate: rename_func("GETDATE"), 466 exp.CurrentTimestamp: rename_func("GETDATE"), -467 exp.If: rename_func("IIF"), -468 exp.NumberToStr: _format_sql, -469 exp.TimeToStr: _format_sql, -470 exp.GroupConcat: _string_agg_sql, -471 exp.Max: max_or_greatest, -472 exp.MD5: lambda self, e: self.func("HASHBYTES", exp.Literal.string("MD5"), e.this), -473 exp.Min: min_or_least, +467 exp.GroupConcat: _string_agg_sql, +468 exp.If: rename_func("IIF"), +469 exp.Max: max_or_greatest, +470 exp.MD5: lambda self, e: self.func("HASHBYTES", exp.Literal.string("MD5"), e.this), +471 exp.Min: min_or_least, +472 exp.NumberToStr: _format_sql, +473 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), 474 exp.SHA: lambda self, e: self.func("HASHBYTES", exp.Literal.string("SHA1"), e.this), 475 exp.SHA2: lambda self, e: self.func( 476 "HASHBYTES", exp.Literal.string(f"SHA2_{e.args.get('length', 256)}"), e.this 477 ), -478 } -479 -480 TRANSFORMS.pop(exp.ReturnsProperty) -481 -482 PROPERTIES_LOCATION = { -483 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -484 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, -485 } -486 -487 LIMIT_FETCH = "FETCH" -488 -489 def offset_sql(self, expression: exp.Offset) -> str: -490 return f"{super().offset_sql(expression)} ROWS" -491 -492 def systemtime_sql(self, expression: exp.SystemTime) -> str: -493 kind = expression.args["kind"] -494 if kind == "ALL": -495 return "FOR SYSTEM_TIME ALL" -496 -497 start = self.sql(expression, "this") -498 if kind == "AS OF": -499 return f"FOR SYSTEM_TIME AS OF {start}" -500 -501 end = self.sql(expression, "expression") -502 if kind == "FROM": -503 return f"FOR SYSTEM_TIME FROM {start} TO {end}" -504 if kind == "BETWEEN": -505 return f"FOR SYSTEM_TIME BETWEEN {start} AND {end}" -506 -507 return f"FOR SYSTEM_TIME CONTAINED IN ({start}, {end})" -508 -509 def returnsproperty_sql(self, expression: exp.ReturnsProperty) -> str: -510 table = expression.args.get("table") -511 table = f"{table} " if table else "" -512 return f"RETURNS {table}{self.sql(expression, 'this')}" +478 exp.TimeToStr: _format_sql, +479 } +480 +481 TRANSFORMS.pop(exp.ReturnsProperty) +482 +483 PROPERTIES_LOCATION = { +484 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +485 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, +486 } +487 +488 LIMIT_FETCH = "FETCH" +489 +490 def offset_sql(self, expression: exp.Offset) -> str: +491 return f"{super().offset_sql(expression)} ROWS" +492 +493 def systemtime_sql(self, expression: exp.SystemTime) -> str: +494 kind = expression.args["kind"] +495 if kind == "ALL": +496 return "FOR SYSTEM_TIME ALL" +497 +498 start = self.sql(expression, "this") +499 if kind == "AS OF": +500 return f"FOR SYSTEM_TIME AS OF {start}" +501 +502 end = self.sql(expression, "expression") +503 if kind == "FROM": +504 return f"FOR SYSTEM_TIME FROM {start} TO {end}" +505 if kind == "BETWEEN": +506 return f"FOR SYSTEM_TIME BETWEEN {start} AND {end}" +507 +508 return f"FOR SYSTEM_TIME CONTAINED IN ({start}, {end})" +509 +510 def returnsproperty_sql(self, expression: exp.ReturnsProperty) -> str: +511 table = expression.args.get("table") +512 table = f"{table} " if table else "" +513 return f"RETURNS {table}{self.sql(expression, 'this')}" @@ -1318,52 +1320,53 @@ Default: "nulls_are_small" 464 exp.DateDiff: generate_date_delta_with_unit_sql, 465 exp.CurrentDate: rename_func("GETDATE"), 466 exp.CurrentTimestamp: rename_func("GETDATE"), -467 exp.If: rename_func("IIF"), -468 exp.NumberToStr: _format_sql, -469 exp.TimeToStr: _format_sql, -470 exp.GroupConcat: _string_agg_sql, -471 exp.Max: max_or_greatest, -472 exp.MD5: lambda self, e: self.func("HASHBYTES", exp.Literal.string("MD5"), e.this), -473 exp.Min: min_or_least, +467 exp.GroupConcat: _string_agg_sql, +468 exp.If: rename_func("IIF"), +469 exp.Max: max_or_greatest, +470 exp.MD5: lambda self, e: self.func("HASHBYTES", exp.Literal.string("MD5"), e.this), +471 exp.Min: min_or_least, +472 exp.NumberToStr: _format_sql, +473 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), 474 exp.SHA: lambda self, e: self.func("HASHBYTES", exp.Literal.string("SHA1"), e.this), 475 exp.SHA2: lambda self, e: self.func( 476 "HASHBYTES", exp.Literal.string(f"SHA2_{e.args.get('length', 256)}"), e.this 477 ), -478 } -479 -480 TRANSFORMS.pop(exp.ReturnsProperty) -481 -482 PROPERTIES_LOCATION = { -483 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -484 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, -485 } -486 -487 LIMIT_FETCH = "FETCH" -488 -489 def offset_sql(self, expression: exp.Offset) -> str: -490 return f"{super().offset_sql(expression)} ROWS" -491 -492 def systemtime_sql(self, expression: exp.SystemTime) -> str: -493 kind = expression.args["kind"] -494 if kind == "ALL": -495 return "FOR SYSTEM_TIME ALL" -496 -497 start = self.sql(expression, "this") -498 if kind == "AS OF": -499 return f"FOR SYSTEM_TIME AS OF {start}" -500 -501 end = self.sql(expression, "expression") -502 if kind == "FROM": -503 return f"FOR SYSTEM_TIME FROM {start} TO {end}" -504 if kind == "BETWEEN": -505 return f"FOR SYSTEM_TIME BETWEEN {start} AND {end}" -506 -507 return f"FOR SYSTEM_TIME CONTAINED IN ({start}, {end})" -508 -509 def returnsproperty_sql(self, expression: exp.ReturnsProperty) -> str: -510 table = expression.args.get("table") -511 table = f"{table} " if table else "" -512 return f"RETURNS {table}{self.sql(expression, 'this')}" +478 exp.TimeToStr: _format_sql, +479 } +480 +481 TRANSFORMS.pop(exp.ReturnsProperty) +482 +483 PROPERTIES_LOCATION = { +484 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +485 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, +486 } +487 +488 LIMIT_FETCH = "FETCH" +489 +490 def offset_sql(self, expression: exp.Offset) -> str: +491 return f"{super().offset_sql(expression)} ROWS" +492 +493 def systemtime_sql(self, expression: exp.SystemTime) -> str: +494 kind = expression.args["kind"] +495 if kind == "ALL": +496 return "FOR SYSTEM_TIME ALL" +497 +498 start = self.sql(expression, "this") +499 if kind == "AS OF": +500 return f"FOR SYSTEM_TIME AS OF {start}" +501 +502 end = self.sql(expression, "expression") +503 if kind == "FROM": +504 return f"FOR SYSTEM_TIME FROM {start} TO {end}" +505 if kind == "BETWEEN": +506 return f"FOR SYSTEM_TIME BETWEEN {start} AND {end}" +507 +508 return f"FOR SYSTEM_TIME CONTAINED IN ({start}, {end})" +509 +510 def returnsproperty_sql(self, expression: exp.ReturnsProperty) -> str: +511 table = expression.args.get("table") +512 table = f"{table} " if table else "" +513 return f"RETURNS {table}{self.sql(expression, 'this')}" @@ -1422,8 +1425,8 @@ Default: True - 
    489        def offset_sql(self, expression: exp.Offset) -> str:
-490            return f"{super().offset_sql(expression)} ROWS"
+            
    490        def offset_sql(self, expression: exp.Offset) -> str:
+491            return f"{super().offset_sql(expression)} ROWS"
 
    
 
 
@@ -1441,22 +1444,22 @@ Default: True
    - 
    492        def systemtime_sql(self, expression: exp.SystemTime) -> str:
-493            kind = expression.args["kind"]
-494            if kind == "ALL":
-495                return "FOR SYSTEM_TIME ALL"
-496
-497            start = self.sql(expression, "this")
-498            if kind == "AS OF":
-499                return f"FOR SYSTEM_TIME AS OF {start}"
-500
-501            end = self.sql(expression, "expression")
-502            if kind == "FROM":
-503                return f"FOR SYSTEM_TIME FROM {start} TO {end}"
-504            if kind == "BETWEEN":
-505                return f"FOR SYSTEM_TIME BETWEEN {start} AND {end}"
-506
-507            return f"FOR SYSTEM_TIME CONTAINED IN ({start}, {end})"
+            
    493        def systemtime_sql(self, expression: exp.SystemTime) -> str:
+494            kind = expression.args["kind"]
+495            if kind == "ALL":
+496                return "FOR SYSTEM_TIME ALL"
+497
+498            start = self.sql(expression, "this")
+499            if kind == "AS OF":
+500                return f"FOR SYSTEM_TIME AS OF {start}"
+501
+502            end = self.sql(expression, "expression")
+503            if kind == "FROM":
+504                return f"FOR SYSTEM_TIME FROM {start} TO {end}"
+505            if kind == "BETWEEN":
+506                return f"FOR SYSTEM_TIME BETWEEN {start} AND {end}"
+507
+508            return f"FOR SYSTEM_TIME CONTAINED IN ({start}, {end})"
 
    
 
 
@@ -1474,10 +1477,10 @@ Default: True
    - 
    509        def returnsproperty_sql(self, expression: exp.ReturnsProperty) -> str:
-510            table = expression.args.get("table")
-511            table = f"{table} " if table else ""
-512            return f"RETURNS {table}{self.sql(expression, 'this')}"
+            
    510        def returnsproperty_sql(self, expression: exp.ReturnsProperty) -> str:
+511            table = expression.args.get("table")
+512            table = f"{table} " if table else ""
+513            return f"RETURNS {table}{self.sql(expression, 'this')}"
 
    
 
 
@@ -1607,7 +1610,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -1616,6 +1619,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/executor/python.html b/docs/sqlglot/executor/python.html
index 176df2e..a93e0b6 100644
--- a/docs/sqlglot/executor/python.html
+++ b/docs/sqlglot/executor/python.html
@@ -1778,7 +1778,7 @@ Default: True
                 
    where_sql
    
                 
    window_sql
    
                 
    partition_by_sql
    
-                
    window_spec_sql
    
+                
    windowspec_sql
    
                 
    withingroup_sql
    
                 
    between_sql
    
                 
    bracket_sql
    
@@ -1787,6 +1787,7 @@ Default: True
                 
    exists_sql
    
                 
    case_sql
    
                 
    constraint_sql
    
+                
    nextvaluefor_sql
    
                 
    extract_sql
    
                 
    trim_sql
    
                 
    concat_sql
    
diff --git a/docs/sqlglot/expressions.html b/docs/sqlglot/expressions.html
index a4b82fc..e4c3a7b 100644
--- a/docs/sqlglot/expressions.html
+++ b/docs/sqlglot/expressions.html
@@ -164,6 +164,27 @@
                         
  • 
                                 not_
                         
    • 
+                        
  • 
+                                isin
+                        
    • 
+                        
  • 
+                                between
+                        
    • 
+                        
  • 
+                                like
+                        
    • 
+                        
  • 
+                                ilike
+                        
    • 
+                        
  • 
+                                eq
+                        
    • 
+                        
  • 
+                                neq
+                        
    • 
+                        
  • 
+                                rlike
+                        
    • 
                 
 
             
@@ -2075,6 +2096,12 @@
             
  • 
                     Case
                             
 
             
    • 
@@ -2947,6 +2974,12 @@
                             
      
                 
    
 
+            
+            
  • 
+                    NextValueFor
+                            
      
+                
    
+
             
    • 
             
  • 
                     maybe_parse
@@ -3739,7 +3772,7 @@ SQL expressions, such as sqlglot.expressions.select<
  650
  651
  652class Condition(Expression):
- 653    def and_(self, *expressions, dialect=None, **opts):
+ 653    def and_(self, *expressions, dialect=None, copy=True, **opts):
  654        """
  655        AND this condition with one or multiple expressions.
  656
@@ -3751,4567 +3784,4713 @@ SQL expressions, such as sqlglot.expressions.select<
  662            *expressions (str | Expression): the SQL code strings to parse.
  663                If an `Expression` instance is passed, it will be used as-is.
  664            dialect (str): the dialect used to parse the input expression.
- 665            opts (kwargs): other options to use to parse the input expressions.
- 666
- 667        Returns:
- 668            And: the new condition.
- 669        """
- 670        return and_(self, *expressions, dialect=dialect, **opts)
- 671
- 672    def or_(self, *expressions, dialect=None, **opts):
- 673        """
- 674        OR this condition with one or multiple expressions.
- 675
- 676        Example:
- 677            >>> condition("x=1").or_("y=1").sql()
- 678            'x = 1 OR y = 1'
- 679
- 680        Args:
- 681            *expressions (str | Expression): the SQL code strings to parse.
- 682                If an `Expression` instance is passed, it will be used as-is.
- 683            dialect (str): the dialect used to parse the input expression.
- 684            opts (kwargs): other options to use to parse the input expressions.
- 685
- 686        Returns:
- 687            Or: the new condition.
- 688        """
- 689        return or_(self, *expressions, dialect=dialect, **opts)
- 690
- 691    def not_(self):
- 692        """
- 693        Wrap this condition with NOT.
- 694
- 695        Example:
- 696            >>> condition("x=1").not_().sql()
- 697            'NOT x = 1'
- 698
- 699        Returns:
- 700            Not: the new condition.
- 701        """
- 702        return not_(self)
+ 665            copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
+ 666            opts (kwargs): other options to use to parse the input expressions.
+ 667
+ 668        Returns:
+ 669            And: the new condition.
+ 670        """
+ 671        return and_(self, *expressions, dialect=dialect, copy=copy, **opts)
+ 672
+ 673    def or_(self, *expressions, dialect=None, copy=True, **opts):
+ 674        """
+ 675        OR this condition with one or multiple expressions.
+ 676
+ 677        Example:
+ 678            >>> condition("x=1").or_("y=1").sql()
+ 679            'x = 1 OR y = 1'
+ 680
+ 681        Args:
+ 682            *expressions (str | Expression): the SQL code strings to parse.
+ 683                If an `Expression` instance is passed, it will be used as-is.
+ 684            dialect (str): the dialect used to parse the input expression.
+ 685            copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
+ 686            opts (kwargs): other options to use to parse the input expressions.
+ 687
+ 688        Returns:
+ 689            Or: the new condition.
+ 690        """
+ 691        return or_(self, *expressions, dialect=dialect, copy=copy, **opts)
+ 692
+ 693    def not_(self, copy=True):
+ 694        """
+ 695        Wrap this condition with NOT.
+ 696
+ 697        Example:
+ 698            >>> condition("x=1").not_().sql()
+ 699            'NOT x = 1'
+ 700
+ 701        Args:
+ 702            copy (bool): whether or not to copy this object.
  703
- 704
- 705class Predicate(Condition):
- 706    """Relationships like x = y, x > 1, x >= y."""
- 707
+ 704        Returns:
+ 705            Not: the new condition.
+ 706        """
+ 707        return not_(self, copy=copy)
  708
- 709class DerivedTable(Expression):
- 710    @property
- 711    def alias_column_names(self):
- 712        table_alias = self.args.get("alias")
- 713        if not table_alias:
- 714            return []
- 715        column_list = table_alias.assert_is(TableAlias).args.get("columns") or []
- 716        return [c.name for c in column_list]
- 717
- 718    @property
- 719    def selects(self):
- 720        alias = self.args.get("alias")
- 721
- 722        if alias:
- 723            return alias.columns
- 724        return []
- 725
- 726    @property
- 727    def named_selects(self):
- 728        return [select.output_name for select in self.selects]
- 729
- 730
- 731class Unionable(Expression):
- 732    def union(self, expression, distinct=True, dialect=None, **opts):
- 733        """
- 734        Builds a UNION expression.
- 735
- 736        Example:
- 737            >>> import sqlglot
- 738            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
- 739            'SELECT * FROM foo UNION SELECT * FROM bla'
- 740
- 741        Args:
- 742            expression (str | Expression): the SQL code string.
- 743                If an `Expression` instance is passed, it will be used as-is.
- 744            distinct (bool): set the DISTINCT flag if and only if this is true.
- 745            dialect (str): the dialect used to parse the input expression.
- 746            opts (kwargs): other options to use to parse the input expressions.
- 747        Returns:
- 748            Union: the Union expression.
- 749        """
- 750        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+ 709    def _binop(self, klass: t.Type[E], other: ExpOrStr, reverse=False) -> E:
+ 710        this = self.copy()
+ 711        other = convert(other, copy=True)
+ 712        if not isinstance(this, klass) and not isinstance(other, klass):
+ 713            this = _wrap(this, Binary)
+ 714            other = _wrap(other, Binary)
+ 715        if reverse:
+ 716            return klass(this=other, expression=this)
+ 717        return klass(this=this, expression=other)
+ 718
+ 719    def __getitem__(self, other: ExpOrStr | t.Tuple[ExpOrStr]):
+ 720        return Bracket(
+ 721            this=self.copy(), expressions=[convert(e, copy=True) for e in ensure_list(other)]
+ 722        )
+ 723
+ 724    def isin(
+ 725        self, *expressions: t.Any, query: t.Optional[ExpOrStr] = None, copy=True, **opts
+ 726    ) -> In:
+ 727        return In(
+ 728            this=_maybe_copy(self, copy),
+ 729            expressions=[convert(e, copy=copy) for e in expressions],
+ 730            query=maybe_parse(query, copy=copy, **opts) if query else None,
+ 731        )
+ 732
+ 733    def between(self, low: t.Any, high: t.Any, copy=True, **opts) -> Between:
+ 734        return Between(
+ 735            this=_maybe_copy(self, copy),
+ 736            low=convert(low, copy=copy, **opts),
+ 737            high=convert(high, copy=copy, **opts),
+ 738        )
+ 739
+ 740    def like(self, other: ExpOrStr) -> Like:
+ 741        return self._binop(Like, other)
+ 742
+ 743    def ilike(self, other: ExpOrStr) -> ILike:
+ 744        return self._binop(ILike, other)
+ 745
+ 746    def eq(self, other: ExpOrStr) -> EQ:
+ 747        return self._binop(EQ, other)
+ 748
+ 749    def neq(self, other: ExpOrStr) -> NEQ:
+ 750        return self._binop(NEQ, other)
  751
- 752    def intersect(self, expression, distinct=True, dialect=None, **opts):
- 753        """
- 754        Builds an INTERSECT expression.
- 755
- 756        Example:
- 757            >>> import sqlglot
- 758            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
- 759            'SELECT * FROM foo INTERSECT SELECT * FROM bla'
+ 752    def rlike(self, other: ExpOrStr) -> RegexpLike:
+ 753        return self._binop(RegexpLike, other)
+ 754
+ 755    def __lt__(self, other: ExpOrStr) -> LT:
+ 756        return self._binop(LT, other)
+ 757
+ 758    def __le__(self, other: ExpOrStr) -> LTE:
+ 759        return self._binop(LTE, other)
  760
- 761        Args:
- 762            expression (str | Expression): the SQL code string.
- 763                If an `Expression` instance is passed, it will be used as-is.
- 764            distinct (bool): set the DISTINCT flag if and only if this is true.
- 765            dialect (str): the dialect used to parse the input expression.
- 766            opts (kwargs): other options to use to parse the input expressions.
- 767        Returns:
- 768            Intersect: the Intersect expression
- 769        """
- 770        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
- 771
- 772    def except_(self, expression, distinct=True, dialect=None, **opts):
- 773        """
- 774        Builds an EXCEPT expression.
+ 761    def __gt__(self, other: ExpOrStr) -> GT:
+ 762        return self._binop(GT, other)
+ 763
+ 764    def __ge__(self, other: ExpOrStr) -> GTE:
+ 765        return self._binop(GTE, other)
+ 766
+ 767    def __add__(self, other: ExpOrStr) -> Add:
+ 768        return self._binop(Add, other)
+ 769
+ 770    def __radd__(self, other: ExpOrStr) -> Add:
+ 771        return self._binop(Add, other, reverse=True)
+ 772
+ 773    def __sub__(self, other: ExpOrStr) -> Sub:
+ 774        return self._binop(Sub, other)
  775
- 776        Example:
- 777            >>> import sqlglot
- 778            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
- 779            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
- 780
- 781        Args:
- 782            expression (str | Expression): the SQL code string.
- 783                If an `Expression` instance is passed, it will be used as-is.
- 784            distinct (bool): set the DISTINCT flag if and only if this is true.
- 785            dialect (str): the dialect used to parse the input expression.
- 786            opts (kwargs): other options to use to parse the input expressions.
- 787        Returns:
- 788            Except: the Except expression
- 789        """
- 790        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
- 791
- 792
- 793class UDTF(DerivedTable, Unionable):
- 794    pass
- 795
+ 776    def __rsub__(self, other: ExpOrStr) -> Sub:
+ 777        return self._binop(Sub, other, reverse=True)
+ 778
+ 779    def __mul__(self, other: ExpOrStr) -> Mul:
+ 780        return self._binop(Mul, other)
+ 781
+ 782    def __rmul__(self, other: ExpOrStr) -> Mul:
+ 783        return self._binop(Mul, other, reverse=True)
+ 784
+ 785    def __truediv__(self, other: ExpOrStr) -> Div:
+ 786        return self._binop(Div, other)
+ 787
+ 788    def __rtruediv__(self, other: ExpOrStr) -> Div:
+ 789        return self._binop(Div, other, reverse=True)
+ 790
+ 791    def __floordiv__(self, other: ExpOrStr) -> IntDiv:
+ 792        return self._binop(IntDiv, other)
+ 793
+ 794    def __rfloordiv__(self, other: ExpOrStr) -> IntDiv:
+ 795        return self._binop(IntDiv, other, reverse=True)
  796
- 797class Cache(Expression):
- 798    arg_types = {
- 799        "with": False,
- 800        "this": True,
- 801        "lazy": False,
- 802        "options": False,
- 803        "expression": False,
- 804    }
+ 797    def __mod__(self, other: ExpOrStr) -> Mod:
+ 798        return self._binop(Mod, other)
+ 799
+ 800    def __rmod__(self, other: ExpOrStr) -> Mod:
+ 801        return self._binop(Mod, other, reverse=True)
+ 802
+ 803    def __pow__(self, other: ExpOrStr) -> Pow:
+ 804        return self._binop(Pow, other)
  805
- 806
- 807class Uncache(Expression):
- 808    arg_types = {"this": True, "exists": False}
- 809
- 810
- 811class Create(Expression):
- 812    arg_types = {
- 813        "with": False,
- 814        "this": True,
- 815        "kind": True,
- 816        "expression": False,
- 817        "exists": False,
- 818        "properties": False,
- 819        "replace": False,
- 820        "unique": False,
- 821        "indexes": False,
- 822        "no_schema_binding": False,
- 823        "begin": False,
- 824    }
- 825
+ 806    def __rpow__(self, other: ExpOrStr) -> Pow:
+ 807        return self._binop(Pow, other, reverse=True)
+ 808
+ 809    def __and__(self, other: ExpOrStr) -> And:
+ 810        return self._binop(And, other)
+ 811
+ 812    def __rand__(self, other: ExpOrStr) -> And:
+ 813        return self._binop(And, other, reverse=True)
+ 814
+ 815    def __or__(self, other: ExpOrStr) -> Or:
+ 816        return self._binop(Or, other)
+ 817
+ 818    def __ror__(self, other: ExpOrStr) -> Or:
+ 819        return self._binop(Or, other, reverse=True)
+ 820
+ 821    def __neg__(self) -> Neg:
+ 822        return Neg(this=_wrap(self.copy(), Binary))
+ 823
+ 824    def __invert__(self) -> Not:
+ 825        return not_(self.copy())
  826
- 827class Describe(Expression):
- 828    arg_types = {"this": True, "kind": False}
- 829
+ 827
+ 828class Predicate(Condition):
+ 829    """Relationships like x = y, x > 1, x >= y."""
  830
- 831class Pragma(Expression):
- 832    pass
- 833
- 834
- 835class Set(Expression):
- 836    arg_types = {"expressions": False}
- 837
- 838
- 839class SetItem(Expression):
- 840    arg_types = {
- 841        "this": False,
- 842        "expressions": False,
- 843        "kind": False,
- 844        "collate": False,  # MySQL SET NAMES statement
- 845        "global": False,
- 846    }
- 847
+ 831
+ 832class DerivedTable(Expression):
+ 833    @property
+ 834    def alias_column_names(self):
+ 835        table_alias = self.args.get("alias")
+ 836        if not table_alias:
+ 837            return []
+ 838        column_list = table_alias.assert_is(TableAlias).args.get("columns") or []
+ 839        return [c.name for c in column_list]
+ 840
+ 841    @property
+ 842    def selects(self):
+ 843        alias = self.args.get("alias")
+ 844
+ 845        if alias:
+ 846            return alias.columns
+ 847        return []
  848
- 849class Show(Expression):
- 850    arg_types = {
- 851        "this": True,
- 852        "target": False,
- 853        "offset": False,
- 854        "limit": False,
- 855        "like": False,
- 856        "where": False,
- 857        "db": False,
- 858        "full": False,
- 859        "mutex": False,
- 860        "query": False,
- 861        "channel": False,
- 862        "global": False,
- 863        "log": False,
- 864        "position": False,
- 865        "types": False,
- 866    }
- 867
- 868
- 869class UserDefinedFunction(Expression):
- 870    arg_types = {"this": True, "expressions": False, "wrapped": False}
- 871
- 872
- 873class CharacterSet(Expression):
- 874    arg_types = {"this": True, "default": False}
- 875
- 876
- 877class With(Expression):
- 878    arg_types = {"expressions": True, "recursive": False}
- 879
- 880    @property
- 881    def recursive(self) -> bool:
- 882        return bool(self.args.get("recursive"))
+ 849    @property
+ 850    def named_selects(self):
+ 851        return [select.output_name for select in self.selects]
+ 852
+ 853
+ 854class Unionable(Expression):
+ 855    def union(self, expression, distinct=True, dialect=None, **opts):
+ 856        """
+ 857        Builds a UNION expression.
+ 858
+ 859        Example:
+ 860            >>> import sqlglot
+ 861            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
+ 862            'SELECT * FROM foo UNION SELECT * FROM bla'
+ 863
+ 864        Args:
+ 865            expression (str | Expression): the SQL code string.
+ 866                If an `Expression` instance is passed, it will be used as-is.
+ 867            distinct (bool): set the DISTINCT flag if and only if this is true.
+ 868            dialect (str): the dialect used to parse the input expression.
+ 869            opts (kwargs): other options to use to parse the input expressions.
+ 870        Returns:
+ 871            Union: the Union expression.
+ 872        """
+ 873        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+ 874
+ 875    def intersect(self, expression, distinct=True, dialect=None, **opts):
+ 876        """
+ 877        Builds an INTERSECT expression.
+ 878
+ 879        Example:
+ 880            >>> import sqlglot
+ 881            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
+ 882            'SELECT * FROM foo INTERSECT SELECT * FROM bla'
  883
- 884
- 885class WithinGroup(Expression):
- 886    arg_types = {"this": True, "expression": False}
- 887
- 888
- 889class CTE(DerivedTable):
- 890    arg_types = {"this": True, "alias": True}
- 891
- 892
- 893class TableAlias(Expression):
- 894    arg_types = {"this": False, "columns": False}
- 895
- 896    @property
- 897    def columns(self):
- 898        return self.args.get("columns") or []
- 899
- 900
- 901class BitString(Condition):
- 902    pass
+ 884        Args:
+ 885            expression (str | Expression): the SQL code string.
+ 886                If an `Expression` instance is passed, it will be used as-is.
+ 887            distinct (bool): set the DISTINCT flag if and only if this is true.
+ 888            dialect (str): the dialect used to parse the input expression.
+ 889            opts (kwargs): other options to use to parse the input expressions.
+ 890        Returns:
+ 891            Intersect: the Intersect expression
+ 892        """
+ 893        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+ 894
+ 895    def except_(self, expression, distinct=True, dialect=None, **opts):
+ 896        """
+ 897        Builds an EXCEPT expression.
+ 898
+ 899        Example:
+ 900            >>> import sqlglot
+ 901            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
+ 902            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
  903
- 904
- 905class HexString(Condition):
- 906    pass
- 907
- 908
- 909class ByteString(Condition):
- 910    pass
- 911
- 912
- 913class Column(Condition):
- 914    arg_types = {"this": True, "table": False, "db": False, "catalog": False, "join_mark": False}
+ 904        Args:
+ 905            expression (str | Expression): the SQL code string.
+ 906                If an `Expression` instance is passed, it will be used as-is.
+ 907            distinct (bool): set the DISTINCT flag if and only if this is true.
+ 908            dialect (str): the dialect used to parse the input expression.
+ 909            opts (kwargs): other options to use to parse the input expressions.
+ 910        Returns:
+ 911            Except: the Except expression
+ 912        """
+ 913        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+ 914
  915
- 916    @property
- 917    def table(self) -> str:
- 918        return self.text("table")
+ 916class UDTF(DerivedTable, Unionable):
+ 917    pass
+ 918
  919
- 920    @property
- 921    def db(self) -> str:
- 922        return self.text("db")
- 923
- 924    @property
- 925    def catalog(self) -> str:
- 926        return self.text("catalog")
- 927
- 928    @property
- 929    def output_name(self) -> str:
- 930        return self.name
- 931
- 932    @property
- 933    def parts(self) -> t.List[Identifier]:
- 934        """Return the parts of a column in order catalog, db, table, name."""
- 935        return [part for part in reversed(list(self.args.values())) if part]
- 936
- 937    def to_dot(self) -> Dot:
- 938        """Converts the column into a dot expression."""
- 939        parts = self.parts
- 940        parent = self.parent
- 941
- 942        while parent:
- 943            if isinstance(parent, Dot):
- 944                parts.append(parent.expression)
- 945            parent = parent.parent
- 946
- 947        return Dot.build(parts)
+ 920class Cache(Expression):
+ 921    arg_types = {
+ 922        "with": False,
+ 923        "this": True,
+ 924        "lazy": False,
+ 925        "options": False,
+ 926        "expression": False,
+ 927    }
+ 928
+ 929
+ 930class Uncache(Expression):
+ 931    arg_types = {"this": True, "exists": False}
+ 932
+ 933
+ 934class Create(Expression):
+ 935    arg_types = {
+ 936        "with": False,
+ 937        "this": True,
+ 938        "kind": True,
+ 939        "expression": False,
+ 940        "exists": False,
+ 941        "properties": False,
+ 942        "replace": False,
+ 943        "unique": False,
+ 944        "indexes": False,
+ 945        "no_schema_binding": False,
+ 946        "begin": False,
+ 947    }
  948
  949
- 950class ColumnPosition(Expression):
- 951    arg_types = {"this": False, "position": True}
+ 950class Describe(Expression):
+ 951    arg_types = {"this": True, "kind": False}
  952
  953
- 954class ColumnDef(Expression):
- 955    arg_types = {
- 956        "this": True,
- 957        "kind": False,
- 958        "constraints": False,
- 959        "exists": False,
- 960        "position": False,
- 961    }
- 962
- 963
- 964class AlterColumn(Expression):
- 965    arg_types = {
- 966        "this": True,
- 967        "dtype": False,
- 968        "collate": False,
- 969        "using": False,
- 970        "default": False,
- 971        "drop": False,
- 972    }
- 973
- 974
- 975class RenameTable(Expression):
- 976    pass
- 977
- 978
- 979class SetTag(Expression):
- 980    arg_types = {"expressions": True, "unset": False}
- 981
- 982
- 983class Comment(Expression):
- 984    arg_types = {"this": True, "kind": True, "expression": True, "exists": False}
- 985
- 986
- 987class ColumnConstraint(Expression):
- 988    arg_types = {"this": False, "kind": True}
- 989
+ 954class Pragma(Expression):
+ 955    pass
+ 956
+ 957
+ 958class Set(Expression):
+ 959    arg_types = {"expressions": False}
+ 960
+ 961
+ 962class SetItem(Expression):
+ 963    arg_types = {
+ 964        "this": False,
+ 965        "expressions": False,
+ 966        "kind": False,
+ 967        "collate": False,  # MySQL SET NAMES statement
+ 968        "global": False,
+ 969    }
+ 970
+ 971
+ 972class Show(Expression):
+ 973    arg_types = {
+ 974        "this": True,
+ 975        "target": False,
+ 976        "offset": False,
+ 977        "limit": False,
+ 978        "like": False,
+ 979        "where": False,
+ 980        "db": False,
+ 981        "full": False,
+ 982        "mutex": False,
+ 983        "query": False,
+ 984        "channel": False,
+ 985        "global": False,
+ 986        "log": False,
+ 987        "position": False,
+ 988        "types": False,
+ 989    }
  990
- 991class ColumnConstraintKind(Expression):
- 992    pass
- 993
+ 991
+ 992class UserDefinedFunction(Expression):
+ 993    arg_types = {"this": True, "expressions": False, "wrapped": False}
  994
- 995class AutoIncrementColumnConstraint(ColumnConstraintKind):
- 996    pass
- 997
+ 995
+ 996class CharacterSet(Expression):
+ 997    arg_types = {"this": True, "default": False}
  998
- 999class CaseSpecificColumnConstraint(ColumnConstraintKind):
-1000    arg_types = {"not_": True}
-1001
+ 999
+1000class With(Expression):
+1001    arg_types = {"expressions": True, "recursive": False}
 1002
-1003class CharacterSetColumnConstraint(ColumnConstraintKind):
-1004    arg_types = {"this": True}
-1005
+1003    @property
+1004    def recursive(self) -> bool:
+1005        return bool(self.args.get("recursive"))
 1006
-1007class CheckColumnConstraint(ColumnConstraintKind):
-1008    pass
-1009
+1007
+1008class WithinGroup(Expression):
+1009    arg_types = {"this": True, "expression": False}
 1010
-1011class CollateColumnConstraint(ColumnConstraintKind):
-1012    pass
-1013
+1011
+1012class CTE(DerivedTable):
+1013    arg_types = {"this": True, "alias": True}
 1014
-1015class CommentColumnConstraint(ColumnConstraintKind):
-1016    pass
-1017
+1015
+1016class TableAlias(Expression):
+1017    arg_types = {"this": False, "columns": False}
 1018
-1019class CompressColumnConstraint(ColumnConstraintKind):
-1020    pass
-1021
+1019    @property
+1020    def columns(self):
+1021        return self.args.get("columns") or []
 1022
-1023class DateFormatColumnConstraint(ColumnConstraintKind):
-1024    arg_types = {"this": True}
-1025
+1023
+1024class BitString(Condition):
+1025    pass
 1026
-1027class DefaultColumnConstraint(ColumnConstraintKind):
-1028    pass
-1029
+1027
+1028class HexString(Condition):
+1029    pass
 1030
-1031class EncodeColumnConstraint(ColumnConstraintKind):
-1032    pass
-1033
+1031
+1032class ByteString(Condition):
+1033    pass
 1034
-1035class GeneratedAsIdentityColumnConstraint(ColumnConstraintKind):
-1036    # this: True -> ALWAYS, this: False -> BY DEFAULT
-1037    arg_types = {
-1038        "this": False,
-1039        "start": False,
-1040        "increment": False,
-1041        "minvalue": False,
-1042        "maxvalue": False,
-1043        "cycle": False,
-1044    }
-1045
+1035
+1036class Column(Condition):
+1037    arg_types = {"this": True, "table": False, "db": False, "catalog": False, "join_mark": False}
+1038
+1039    @property
+1040    def table(self) -> str:
+1041        return self.text("table")
+1042
+1043    @property
+1044    def db(self) -> str:
+1045        return self.text("db")
 1046
-1047class InlineLengthColumnConstraint(ColumnConstraintKind):
-1048    pass
-1049
+1047    @property
+1048    def catalog(self) -> str:
+1049        return self.text("catalog")
 1050
-1051class NotNullColumnConstraint(ColumnConstraintKind):
-1052    arg_types = {"allow_null": False}
-1053
+1051    @property
+1052    def output_name(self) -> str:
+1053        return self.name
 1054
-1055# https://dev.mysql.com/doc/refman/5.7/en/timestamp-initialization.html
-1056class OnUpdateColumnConstraint(ColumnConstraintKind):
-1057    pass
-1058
+1055    @property
+1056    def parts(self) -> t.List[Identifier]:
+1057        """Return the parts of a column in order catalog, db, table, name."""
+1058        return [part for part in reversed(list(self.args.values())) if part]
 1059
-1060class PrimaryKeyColumnConstraint(ColumnConstraintKind):
-1061    arg_types = {"desc": False}
-1062
-1063
-1064class TitleColumnConstraint(ColumnConstraintKind):
-1065    pass
-1066
-1067
-1068class UniqueColumnConstraint(ColumnConstraintKind):
-1069    arg_types: t.Dict[str, t.Any] = {}
-1070
+1060    def to_dot(self) -> Dot:
+1061        """Converts the column into a dot expression."""
+1062        parts = self.parts
+1063        parent = self.parent
+1064
+1065        while parent:
+1066            if isinstance(parent, Dot):
+1067                parts.append(parent.expression)
+1068            parent = parent.parent
+1069
+1070        return Dot.build(parts)
 1071
-1072class UppercaseColumnConstraint(ColumnConstraintKind):
-1073    arg_types: t.Dict[str, t.Any] = {}
-1074
+1072
+1073class ColumnPosition(Expression):
+1074    arg_types = {"this": False, "position": True}
 1075
-1076class PathColumnConstraint(ColumnConstraintKind):
-1077    pass
-1078
-1079
-1080class Constraint(Expression):
-1081    arg_types = {"this": True, "expressions": True}
-1082
-1083
-1084class Delete(Expression):
-1085    arg_types = {"with": False, "this": False, "using": False, "where": False, "returning": False}
+1076
+1077class ColumnDef(Expression):
+1078    arg_types = {
+1079        "this": True,
+1080        "kind": False,
+1081        "constraints": False,
+1082        "exists": False,
+1083        "position": False,
+1084    }
+1085
 1086
-1087    def delete(
-1088        self,
-1089        table: ExpOrStr,
-1090        dialect: DialectType = None,
-1091        copy: bool = True,
-1092        **opts,
-1093    ) -> Delete:
-1094        """
-1095        Create a DELETE expression or replace the table on an existing DELETE expression.
+1087class AlterColumn(Expression):
+1088    arg_types = {
+1089        "this": True,
+1090        "dtype": False,
+1091        "collate": False,
+1092        "using": False,
+1093        "default": False,
+1094        "drop": False,
+1095    }
 1096
-1097        Example:
-1098            >>> delete("tbl").sql()
-1099            'DELETE FROM tbl'
+1097
+1098class RenameTable(Expression):
+1099    pass
 1100
-1101        Args:
-1102            table: the table from which to delete.
-1103            dialect: the dialect used to parse the input expression.
-1104            copy: if `False`, modify this expression instance in-place.
-1105            opts: other options to use to parse the input expressions.
-1106
-1107        Returns:
-1108            Delete: the modified expression.
-1109        """
-1110        return _apply_builder(
-1111            expression=table,
-1112            instance=self,
-1113            arg="this",
-1114            dialect=dialect,
-1115            into=Table,
-1116            copy=copy,
-1117            **opts,
-1118        )
-1119
-1120    def where(
-1121        self,
-1122        *expressions: ExpOrStr,
-1123        append: bool = True,
-1124        dialect: DialectType = None,
-1125        copy: bool = True,
-1126        **opts,
-1127    ) -> Delete:
-1128        """
-1129        Append to or set the WHERE expressions.
-1130
-1131        Example:
-1132            >>> delete("tbl").where("x = 'a' OR x < 'b'").sql()
-1133            "DELETE FROM tbl WHERE x = 'a' OR x < 'b'"
-1134
-1135        Args:
-1136            *expressions: the SQL code strings to parse.
-1137                If an `Expression` instance is passed, it will be used as-is.
-1138                Multiple expressions are combined with an AND operator.
-1139            append: if `True`, AND the new expressions to any existing expression.
-1140                Otherwise, this resets the expression.
-1141            dialect: the dialect used to parse the input expressions.
-1142            copy: if `False`, modify this expression instance in-place.
-1143            opts: other options to use to parse the input expressions.
+1101
+1102class SetTag(Expression):
+1103    arg_types = {"expressions": True, "unset": False}
+1104
+1105
+1106class Comment(Expression):
+1107    arg_types = {"this": True, "kind": True, "expression": True, "exists": False}
+1108
+1109
+1110class ColumnConstraint(Expression):
+1111    arg_types = {"this": False, "kind": True}
+1112
+1113
+1114class ColumnConstraintKind(Expression):
+1115    pass
+1116
+1117
+1118class AutoIncrementColumnConstraint(ColumnConstraintKind):
+1119    pass
+1120
+1121
+1122class CaseSpecificColumnConstraint(ColumnConstraintKind):
+1123    arg_types = {"not_": True}
+1124
+1125
+1126class CharacterSetColumnConstraint(ColumnConstraintKind):
+1127    arg_types = {"this": True}
+1128
+1129
+1130class CheckColumnConstraint(ColumnConstraintKind):
+1131    pass
+1132
+1133
+1134class CollateColumnConstraint(ColumnConstraintKind):
+1135    pass
+1136
+1137
+1138class CommentColumnConstraint(ColumnConstraintKind):
+1139    pass
+1140
+1141
+1142class CompressColumnConstraint(ColumnConstraintKind):
+1143    pass
 1144
-1145        Returns:
-1146            Delete: the modified expression.
-1147        """
-1148        return _apply_conjunction_builder(
-1149            *expressions,
-1150            instance=self,
-1151            arg="where",
-1152            append=append,
-1153            into=Where,
-1154            dialect=dialect,
-1155            copy=copy,
-1156            **opts,
-1157        )
-1158
-1159    def returning(
-1160        self,
-1161        expression: ExpOrStr,
-1162        dialect: DialectType = None,
-1163        copy: bool = True,
-1164        **opts,
-1165    ) -> Delete:
-1166        """
-1167        Set the RETURNING expression. Not supported by all dialects.
+1145
+1146class DateFormatColumnConstraint(ColumnConstraintKind):
+1147    arg_types = {"this": True}
+1148
+1149
+1150class DefaultColumnConstraint(ColumnConstraintKind):
+1151    pass
+1152
+1153
+1154class EncodeColumnConstraint(ColumnConstraintKind):
+1155    pass
+1156
+1157
+1158class GeneratedAsIdentityColumnConstraint(ColumnConstraintKind):
+1159    # this: True -> ALWAYS, this: False -> BY DEFAULT
+1160    arg_types = {
+1161        "this": False,
+1162        "start": False,
+1163        "increment": False,
+1164        "minvalue": False,
+1165        "maxvalue": False,
+1166        "cycle": False,
+1167    }
 1168
-1169        Example:
-1170            >>> delete("tbl").returning("*", dialect="postgres").sql()
-1171            'DELETE FROM tbl RETURNING *'
+1169
+1170class InlineLengthColumnConstraint(ColumnConstraintKind):
+1171    pass
 1172
-1173        Args:
-1174            expression: the SQL code strings to parse.
-1175                If an `Expression` instance is passed, it will be used as-is.
-1176            dialect: the dialect used to parse the input expressions.
-1177            copy: if `False`, modify this expression instance in-place.
-1178            opts: other options to use to parse the input expressions.
-1179
-1180        Returns:
-1181            Delete: the modified expression.
-1182        """
-1183        return _apply_builder(
-1184            expression=expression,
-1185            instance=self,
-1186            arg="returning",
-1187            prefix="RETURNING",
-1188            dialect=dialect,
-1189            copy=copy,
-1190            into=Returning,
-1191            **opts,
-1192        )
+1173
+1174class NotNullColumnConstraint(ColumnConstraintKind):
+1175    arg_types = {"allow_null": False}
+1176
+1177
+1178# https://dev.mysql.com/doc/refman/5.7/en/timestamp-initialization.html
+1179class OnUpdateColumnConstraint(ColumnConstraintKind):
+1180    pass
+1181
+1182
+1183class PrimaryKeyColumnConstraint(ColumnConstraintKind):
+1184    arg_types = {"desc": False}
+1185
+1186
+1187class TitleColumnConstraint(ColumnConstraintKind):
+1188    pass
+1189
+1190
+1191class UniqueColumnConstraint(ColumnConstraintKind):
+1192    arg_types: t.Dict[str, t.Any] = {}
 1193
 1194
-1195class Drop(Expression):
-1196    arg_types = {
-1197        "this": False,
-1198        "kind": False,
-1199        "exists": False,
-1200        "temporary": False,
-1201        "materialized": False,
-1202        "cascade": False,
-1203        "constraints": False,
-1204        "purge": False,
-1205    }
+1195class UppercaseColumnConstraint(ColumnConstraintKind):
+1196    arg_types: t.Dict[str, t.Any] = {}
+1197
+1198
+1199class PathColumnConstraint(ColumnConstraintKind):
+1200    pass
+1201
+1202
+1203class Constraint(Expression):
+1204    arg_types = {"this": True, "expressions": True}
+1205
 1206
-1207
-1208class Filter(Expression):
-1209    arg_types = {"this": True, "expression": True}
-1210
-1211
-1212class Check(Expression):
-1213    pass
-1214
-1215
-1216class Directory(Expression):
-1217    # https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-dml-insert-overwrite-directory-hive.html
-1218    arg_types = {"this": True, "local": False, "row_format": False}
+1207class Delete(Expression):
+1208    arg_types = {"with": False, "this": False, "using": False, "where": False, "returning": False}
+1209
+1210    def delete(
+1211        self,
+1212        table: ExpOrStr,
+1213        dialect: DialectType = None,
+1214        copy: bool = True,
+1215        **opts,
+1216    ) -> Delete:
+1217        """
+1218        Create a DELETE expression or replace the table on an existing DELETE expression.
 1219
-1220
-1221class ForeignKey(Expression):
-1222    arg_types = {
-1223        "expressions": True,
-1224        "reference": False,
-1225        "delete": False,
-1226        "update": False,
-1227    }
-1228
+1220        Example:
+1221            >>> delete("tbl").sql()
+1222            'DELETE FROM tbl'
+1223
+1224        Args:
+1225            table: the table from which to delete.
+1226            dialect: the dialect used to parse the input expression.
+1227            copy: if `False`, modify this expression instance in-place.
+1228            opts: other options to use to parse the input expressions.
 1229
-1230class PrimaryKey(Expression):
-1231    arg_types = {"expressions": True, "options": False}
-1232
-1233
-1234class Unique(Expression):
-1235    arg_types = {"expressions": True}
-1236
-1237
-1238# https://www.postgresql.org/docs/9.1/sql-selectinto.html
-1239# https://docs.aws.amazon.com/redshift/latest/dg/r_SELECT_INTO.html#r_SELECT_INTO-examples
-1240class Into(Expression):
-1241    arg_types = {"this": True, "temporary": False, "unlogged": False}
+1230        Returns:
+1231            Delete: the modified expression.
+1232        """
+1233        return _apply_builder(
+1234            expression=table,
+1235            instance=self,
+1236            arg="this",
+1237            dialect=dialect,
+1238            into=Table,
+1239            copy=copy,
+1240            **opts,
+1241        )
 1242
-1243
-1244class From(Expression):
-1245    arg_types = {"expressions": True}
-1246
-1247
-1248class Having(Expression):
-1249    pass
-1250
-1251
-1252class Hint(Expression):
-1253    arg_types = {"expressions": True}
-1254
-1255
-1256class JoinHint(Expression):
-1257    arg_types = {"this": True, "expressions": True}
-1258
-1259
-1260class Identifier(Expression):
-1261    arg_types = {"this": True, "quoted": False}
-1262
-1263    @property
-1264    def quoted(self):
-1265        return bool(self.args.get("quoted"))
-1266
-1267    @property
-1268    def hashable_args(self) -> t.Any:
-1269        if self.quoted and any(char.isupper() for char in self.this):
-1270            return (self.this, self.quoted)
-1271        return self.this.lower()
-1272
-1273    @property
-1274    def output_name(self):
-1275        return self.name
-1276
-1277
-1278class Index(Expression):
-1279    arg_types = {
-1280        "this": False,
-1281        "table": False,
-1282        "where": False,
-1283        "columns": False,
-1284        "unique": False,
-1285        "primary": False,
-1286        "amp": False,  # teradata
-1287    }
-1288
-1289
-1290class Insert(Expression):
-1291    arg_types = {
-1292        "with": False,
-1293        "this": True,
-1294        "expression": False,
-1295        "conflict": False,
-1296        "returning": False,
-1297        "overwrite": False,
-1298        "exists": False,
-1299        "partition": False,
-1300        "alternative": False,
-1301    }
+1243    def where(
+1244        self,
+1245        *expressions: ExpOrStr,
+1246        append: bool = True,
+1247        dialect: DialectType = None,
+1248        copy: bool = True,
+1249        **opts,
+1250    ) -> Delete:
+1251        """
+1252        Append to or set the WHERE expressions.
+1253
+1254        Example:
+1255            >>> delete("tbl").where("x = 'a' OR x < 'b'").sql()
+1256            "DELETE FROM tbl WHERE x = 'a' OR x < 'b'"
+1257
+1258        Args:
+1259            *expressions: the SQL code strings to parse.
+1260                If an `Expression` instance is passed, it will be used as-is.
+1261                Multiple expressions are combined with an AND operator.
+1262            append: if `True`, AND the new expressions to any existing expression.
+1263                Otherwise, this resets the expression.
+1264            dialect: the dialect used to parse the input expressions.
+1265            copy: if `False`, modify this expression instance in-place.
+1266            opts: other options to use to parse the input expressions.
+1267
+1268        Returns:
+1269            Delete: the modified expression.
+1270        """
+1271        return _apply_conjunction_builder(
+1272            *expressions,
+1273            instance=self,
+1274            arg="where",
+1275            append=append,
+1276            into=Where,
+1277            dialect=dialect,
+1278            copy=copy,
+1279            **opts,
+1280        )
+1281
+1282    def returning(
+1283        self,
+1284        expression: ExpOrStr,
+1285        dialect: DialectType = None,
+1286        copy: bool = True,
+1287        **opts,
+1288    ) -> Delete:
+1289        """
+1290        Set the RETURNING expression. Not supported by all dialects.
+1291
+1292        Example:
+1293            >>> delete("tbl").returning("*", dialect="postgres").sql()
+1294            'DELETE FROM tbl RETURNING *'
+1295
+1296        Args:
+1297            expression: the SQL code strings to parse.
+1298                If an `Expression` instance is passed, it will be used as-is.
+1299            dialect: the dialect used to parse the input expressions.
+1300            copy: if `False`, modify this expression instance in-place.
+1301            opts: other options to use to parse the input expressions.
 1302
-1303
-1304class OnConflict(Expression):
-1305    arg_types = {
-1306        "duplicate": False,
-1307        "expressions": False,
-1308        "nothing": False,
-1309        "key": False,
-1310        "constraint": False,
-1311    }
-1312
-1313
-1314class Returning(Expression):
-1315    arg_types = {"expressions": True}
+1303        Returns:
+1304            Delete: the modified expression.
+1305        """
+1306        return _apply_builder(
+1307            expression=expression,
+1308            instance=self,
+1309            arg="returning",
+1310            prefix="RETURNING",
+1311            dialect=dialect,
+1312            copy=copy,
+1313            into=Returning,
+1314            **opts,
+1315        )
 1316
 1317
-1318# https://dev.mysql.com/doc/refman/8.0/en/charset-introducer.html
-1319class Introducer(Expression):
-1320    arg_types = {"this": True, "expression": True}
-1321
-1322
-1323# national char, like n'utf8'
-1324class National(Expression):
-1325    pass
-1326
-1327
-1328class LoadData(Expression):
-1329    arg_types = {
-1330        "this": True,
-1331        "local": False,
-1332        "overwrite": False,
-1333        "inpath": True,
-1334        "partition": False,
-1335        "input_format": False,
-1336        "serde": False,
-1337    }
+1318class Drop(Expression):
+1319    arg_types = {
+1320        "this": False,
+1321        "kind": False,
+1322        "exists": False,
+1323        "temporary": False,
+1324        "materialized": False,
+1325        "cascade": False,
+1326        "constraints": False,
+1327        "purge": False,
+1328    }
+1329
+1330
+1331class Filter(Expression):
+1332    arg_types = {"this": True, "expression": True}
+1333
+1334
+1335class Check(Expression):
+1336    pass
+1337
 1338
-1339
-1340class Partition(Expression):
-1341    arg_types = {"expressions": True}
+1339class Directory(Expression):
+1340    # https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-dml-insert-overwrite-directory-hive.html
+1341    arg_types = {"this": True, "local": False, "row_format": False}
 1342
 1343
-1344class Fetch(Expression):
+1344class ForeignKey(Expression):
 1345    arg_types = {
-1346        "direction": False,
-1347        "count": False,
-1348        "percent": False,
-1349        "with_ties": False,
+1346        "expressions": True,
+1347        "reference": False,
+1348        "delete": False,
+1349        "update": False,
 1350    }
 1351
 1352
-1353class Group(Expression):
-1354    arg_types = {
-1355        "expressions": False,
-1356        "grouping_sets": False,
-1357        "cube": False,
-1358        "rollup": False,
-1359    }
+1353class PrimaryKey(Expression):
+1354    arg_types = {"expressions": True, "options": False}
+1355
+1356
+1357class Unique(Expression):
+1358    arg_types = {"expressions": True}
+1359
 1360
-1361
-1362class Lambda(Expression):
-1363    arg_types = {"this": True, "expressions": True}
-1364
+1361# https://www.postgresql.org/docs/9.1/sql-selectinto.html
+1362# https://docs.aws.amazon.com/redshift/latest/dg/r_SELECT_INTO.html#r_SELECT_INTO-examples
+1363class Into(Expression):
+1364    arg_types = {"this": True, "temporary": False, "unlogged": False}
 1365
-1366class Limit(Expression):
-1367    arg_types = {"this": False, "expression": True}
-1368
+1366
+1367class From(Expression):
+1368    arg_types = {"expressions": True}
 1369
-1370class Literal(Condition):
-1371    arg_types = {"this": True, "is_string": True}
-1372
-1373    @property
-1374    def hashable_args(self) -> t.Any:
-1375        return (self.this, self.args.get("is_string"))
-1376
-1377    @classmethod
-1378    def number(cls, number) -> Literal:
-1379        return cls(this=str(number), is_string=False)
-1380
-1381    @classmethod
-1382    def string(cls, string) -> Literal:
-1383        return cls(this=str(string), is_string=True)
-1384
-1385    @property
-1386    def output_name(self):
-1387        return self.name
-1388
+1370
+1371class Having(Expression):
+1372    pass
+1373
+1374
+1375class Hint(Expression):
+1376    arg_types = {"expressions": True}
+1377
+1378
+1379class JoinHint(Expression):
+1380    arg_types = {"this": True, "expressions": True}
+1381
+1382
+1383class Identifier(Expression):
+1384    arg_types = {"this": True, "quoted": False}
+1385
+1386    @property
+1387    def quoted(self):
+1388        return bool(self.args.get("quoted"))
 1389
-1390class Join(Expression):
-1391    arg_types = {
-1392        "this": True,
-1393        "on": False,
-1394        "side": False,
-1395        "kind": False,
-1396        "using": False,
-1397        "natural": False,
-1398        "hint": False,
-1399    }
+1390    @property
+1391    def hashable_args(self) -> t.Any:
+1392        if self.quoted and any(char.isupper() for char in self.this):
+1393            return (self.this, self.quoted)
+1394        return self.this.lower()
+1395
+1396    @property
+1397    def output_name(self):
+1398        return self.name
+1399
 1400
-1401    @property
-1402    def kind(self):
-1403        return self.text("kind").upper()
-1404
-1405    @property
-1406    def side(self):
-1407        return self.text("side").upper()
-1408
-1409    @property
-1410    def hint(self):
-1411        return self.text("hint").upper()
+1401class Index(Expression):
+1402    arg_types = {
+1403        "this": False,
+1404        "table": False,
+1405        "where": False,
+1406        "columns": False,
+1407        "unique": False,
+1408        "primary": False,
+1409        "amp": False,  # teradata
+1410    }
+1411
 1412
-1413    @property
-1414    def alias_or_name(self):
-1415        return self.this.alias_or_name
-1416
-1417    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1418        """
-1419        Append to or set the ON expressions.
-1420
-1421        Example:
-1422            >>> import sqlglot
-1423            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
-1424            'JOIN x ON y = 1'
+1413class Insert(Expression):
+1414    arg_types = {
+1415        "with": False,
+1416        "this": True,
+1417        "expression": False,
+1418        "conflict": False,
+1419        "returning": False,
+1420        "overwrite": False,
+1421        "exists": False,
+1422        "partition": False,
+1423        "alternative": False,
+1424    }
 1425
-1426        Args:
-1427            *expressions (str | Expression): the SQL code strings to parse.
-1428                If an `Expression` instance is passed, it will be used as-is.
-1429                Multiple expressions are combined with an AND operator.
-1430            append (bool): if `True`, AND the new expressions to any existing expression.
-1431                Otherwise, this resets the expression.
-1432            dialect (str): the dialect used to parse the input expressions.
-1433            copy (bool): if `False`, modify this expression instance in-place.
-1434            opts (kwargs): other options to use to parse the input expressions.
+1426
+1427class OnConflict(Expression):
+1428    arg_types = {
+1429        "duplicate": False,
+1430        "expressions": False,
+1431        "nothing": False,
+1432        "key": False,
+1433        "constraint": False,
+1434    }
 1435
-1436        Returns:
-1437            Join: the modified join expression.
-1438        """
-1439        join = _apply_conjunction_builder(
-1440            *expressions,
-1441            instance=self,
-1442            arg="on",
-1443            append=append,
-1444            dialect=dialect,
-1445            copy=copy,
-1446            **opts,
-1447        )
-1448
-1449        if join.kind == "CROSS":
-1450            join.set("kind", None)
-1451
-1452        return join
-1453
-1454    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1455        """
-1456        Append to or set the USING expressions.
-1457
-1458        Example:
-1459            >>> import sqlglot
-1460            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
-1461            'JOIN x USING (foo, bla)'
+1436
+1437class Returning(Expression):
+1438    arg_types = {"expressions": True}
+1439
+1440
+1441# https://dev.mysql.com/doc/refman/8.0/en/charset-introducer.html
+1442class Introducer(Expression):
+1443    arg_types = {"this": True, "expression": True}
+1444
+1445
+1446# national char, like n'utf8'
+1447class National(Expression):
+1448    pass
+1449
+1450
+1451class LoadData(Expression):
+1452    arg_types = {
+1453        "this": True,
+1454        "local": False,
+1455        "overwrite": False,
+1456        "inpath": True,
+1457        "partition": False,
+1458        "input_format": False,
+1459        "serde": False,
+1460    }
+1461
 1462
-1463        Args:
-1464            *expressions (str | Expression): the SQL code strings to parse.
-1465                If an `Expression` instance is passed, it will be used as-is.
-1466            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
-1467                Otherwise, this resets the expression.
-1468            dialect (str): the dialect used to parse the input expressions.
-1469            copy (bool): if `False`, modify this expression instance in-place.
-1470            opts (kwargs): other options to use to parse the input expressions.
-1471
-1472        Returns:
-1473            Join: the modified join expression.
-1474        """
-1475        join = _apply_list_builder(
-1476            *expressions,
-1477            instance=self,
-1478            arg="using",
-1479            append=append,
-1480            dialect=dialect,
-1481            copy=copy,
-1482            **opts,
-1483        )
+1463class Partition(Expression):
+1464    arg_types = {"expressions": True}
+1465
+1466
+1467class Fetch(Expression):
+1468    arg_types = {
+1469        "direction": False,
+1470        "count": False,
+1471        "percent": False,
+1472        "with_ties": False,
+1473    }
+1474
+1475
+1476class Group(Expression):
+1477    arg_types = {
+1478        "expressions": False,
+1479        "grouping_sets": False,
+1480        "cube": False,
+1481        "rollup": False,
+1482    }
+1483
 1484
-1485        if join.kind == "CROSS":
-1486            join.set("kind", None)
+1485class Lambda(Expression):
+1486    arg_types = {"this": True, "expressions": True}
 1487
-1488        return join
-1489
-1490
-1491class Lateral(UDTF):
-1492    arg_types = {"this": True, "view": False, "outer": False, "alias": False}
-1493
-1494
-1495class MatchRecognize(Expression):
-1496    arg_types = {
-1497        "partition_by": False,
-1498        "order": False,
-1499        "measures": False,
-1500        "rows": False,
-1501        "after": False,
-1502        "pattern": False,
-1503        "define": False,
-1504        "alias": False,
-1505    }
-1506
+1488
+1489class Limit(Expression):
+1490    arg_types = {"this": False, "expression": True}
+1491
+1492
+1493class Literal(Condition):
+1494    arg_types = {"this": True, "is_string": True}
+1495
+1496    @property
+1497    def hashable_args(self) -> t.Any:
+1498        return (self.this, self.args.get("is_string"))
+1499
+1500    @classmethod
+1501    def number(cls, number) -> Literal:
+1502        return cls(this=str(number), is_string=False)
+1503
+1504    @classmethod
+1505    def string(cls, string) -> Literal:
+1506        return cls(this=str(string), is_string=True)
 1507
-1508# Clickhouse FROM FINAL modifier
-1509# https://clickhouse.com/docs/en/sql-reference/statements/select/from/#final-modifier
-1510class Final(Expression):
-1511    pass
+1508    @property
+1509    def output_name(self):
+1510        return self.name
+1511
 1512
-1513
-1514class Offset(Expression):
-1515    arg_types = {"this": False, "expression": True}
-1516
-1517
-1518class Order(Expression):
-1519    arg_types = {"this": False, "expressions": True}
-1520
-1521
-1522# hive specific sorts
-1523# https://cwiki.apache.org/confluence/display/Hive/LanguageManual+SortBy
-1524class Cluster(Order):
-1525    pass
-1526
+1513class Join(Expression):
+1514    arg_types = {
+1515        "this": True,
+1516        "on": False,
+1517        "side": False,
+1518        "kind": False,
+1519        "using": False,
+1520        "natural": False,
+1521        "hint": False,
+1522    }
+1523
+1524    @property
+1525    def kind(self):
+1526        return self.text("kind").upper()
 1527
-1528class Distribute(Order):
-1529    pass
-1530
+1528    @property
+1529    def side(self):
+1530        return self.text("side").upper()
 1531
-1532class Sort(Order):
-1533    pass
-1534
+1532    @property
+1533    def hint(self):
+1534        return self.text("hint").upper()
 1535
-1536class Ordered(Expression):
-1537    arg_types = {"this": True, "desc": True, "nulls_first": True}
-1538
+1536    @property
+1537    def alias_or_name(self):
+1538        return self.this.alias_or_name
 1539
-1540class Property(Expression):
-1541    arg_types = {"this": True, "value": True}
-1542
+1540    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1541        """
+1542        Append to or set the ON expressions.
 1543
-1544class AfterJournalProperty(Property):
-1545    arg_types = {"no": True, "dual": False, "local": False}
-1546
-1547
-1548class AlgorithmProperty(Property):
-1549    arg_types = {"this": True}
-1550
-1551
-1552class AutoIncrementProperty(Property):
-1553    arg_types = {"this": True}
-1554
-1555
-1556class BlockCompressionProperty(Property):
-1557    arg_types = {"autotemp": False, "always": False, "default": True, "manual": True, "never": True}
+1544        Example:
+1545            >>> import sqlglot
+1546            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
+1547            'JOIN x ON y = 1'
+1548
+1549        Args:
+1550            *expressions (str | Expression): the SQL code strings to parse.
+1551                If an `Expression` instance is passed, it will be used as-is.
+1552                Multiple expressions are combined with an AND operator.
+1553            append (bool): if `True`, AND the new expressions to any existing expression.
+1554                Otherwise, this resets the expression.
+1555            dialect (str): the dialect used to parse the input expressions.
+1556            copy (bool): if `False`, modify this expression instance in-place.
+1557            opts (kwargs): other options to use to parse the input expressions.
 1558
-1559
-1560class CharacterSetProperty(Property):
-1561    arg_types = {"this": True, "default": True}
-1562
-1563
-1564class ChecksumProperty(Property):
-1565    arg_types = {"on": False, "default": False}
-1566
-1567
-1568class CollateProperty(Property):
-1569    arg_types = {"this": True}
-1570
+1559        Returns:
+1560            Join: the modified join expression.
+1561        """
+1562        join = _apply_conjunction_builder(
+1563            *expressions,
+1564            instance=self,
+1565            arg="on",
+1566            append=append,
+1567            dialect=dialect,
+1568            copy=copy,
+1569            **opts,
+1570        )
 1571
-1572class DataBlocksizeProperty(Property):
-1573    arg_types = {"size": False, "units": False, "min": False, "default": False}
+1572        if join.kind == "CROSS":
+1573            join.set("kind", None)
 1574
-1575
-1576class DefinerProperty(Property):
-1577    arg_types = {"this": True}
-1578
-1579
-1580class DistKeyProperty(Property):
-1581    arg_types = {"this": True}
-1582
-1583
-1584class DistStyleProperty(Property):
-1585    arg_types = {"this": True}
-1586
-1587
-1588class EngineProperty(Property):
-1589    arg_types = {"this": True}
-1590
-1591
-1592class ExecuteAsProperty(Property):
-1593    arg_types = {"this": True}
+1575        return join
+1576
+1577    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1578        """
+1579        Append to or set the USING expressions.
+1580
+1581        Example:
+1582            >>> import sqlglot
+1583            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
+1584            'JOIN x USING (foo, bla)'
+1585
+1586        Args:
+1587            *expressions (str | Expression): the SQL code strings to parse.
+1588                If an `Expression` instance is passed, it will be used as-is.
+1589            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
+1590                Otherwise, this resets the expression.
+1591            dialect (str): the dialect used to parse the input expressions.
+1592            copy (bool): if `False`, modify this expression instance in-place.
+1593            opts (kwargs): other options to use to parse the input expressions.
 1594
-1595
-1596class ExternalProperty(Property):
-1597    arg_types = {"this": False}
-1598
-1599
-1600class FallbackProperty(Property):
-1601    arg_types = {"no": True, "protection": False}
-1602
-1603
-1604class FileFormatProperty(Property):
-1605    arg_types = {"this": True}
-1606
+1595        Returns:
+1596            Join: the modified join expression.
+1597        """
+1598        join = _apply_list_builder(
+1599            *expressions,
+1600            instance=self,
+1601            arg="using",
+1602            append=append,
+1603            dialect=dialect,
+1604            copy=copy,
+1605            **opts,
+1606        )
 1607
-1608class FreespaceProperty(Property):
-1609    arg_types = {"this": True, "percent": False}
+1608        if join.kind == "CROSS":
+1609            join.set("kind", None)
 1610
-1611
-1612class InputOutputFormat(Expression):
-1613    arg_types = {"input_format": False, "output_format": False}
-1614
-1615
-1616class IsolatedLoadingProperty(Property):
-1617    arg_types = {
-1618        "no": True,
-1619        "concurrent": True,
-1620        "for_all": True,
-1621        "for_insert": True,
-1622        "for_none": True,
-1623    }
-1624
-1625
-1626class JournalProperty(Property):
-1627    arg_types = {"no": True, "dual": False, "before": False}
-1628
+1611        return join
+1612
+1613
+1614class Lateral(UDTF):
+1615    arg_types = {"this": True, "view": False, "outer": False, "alias": False}
+1616
+1617
+1618class MatchRecognize(Expression):
+1619    arg_types = {
+1620        "partition_by": False,
+1621        "order": False,
+1622        "measures": False,
+1623        "rows": False,
+1624        "after": False,
+1625        "pattern": False,
+1626        "define": False,
+1627        "alias": False,
+1628    }
 1629
-1630class LanguageProperty(Property):
-1631    arg_types = {"this": True}
-1632
-1633
-1634class LikeProperty(Property):
-1635    arg_types = {"this": True, "expressions": False}
+1630
+1631# Clickhouse FROM FINAL modifier
+1632# https://clickhouse.com/docs/en/sql-reference/statements/select/from/#final-modifier
+1633class Final(Expression):
+1634    pass
+1635
 1636
-1637
-1638class LocationProperty(Property):
-1639    arg_types = {"this": True}
+1637class Offset(Expression):
+1638    arg_types = {"this": False, "expression": True}
+1639
 1640
-1641
-1642class LockingProperty(Property):
-1643    arg_types = {
-1644        "this": False,
-1645        "kind": True,
-1646        "for_or_in": True,
-1647        "lock_type": True,
-1648        "override": False,
-1649    }
+1641class Order(Expression):
+1642    arg_types = {"this": False, "expressions": True}
+1643
+1644
+1645# hive specific sorts
+1646# https://cwiki.apache.org/confluence/display/Hive/LanguageManual+SortBy
+1647class Cluster(Order):
+1648    pass
+1649
 1650
-1651
-1652class LogProperty(Property):
-1653    arg_types = {"no": True}
+1651class Distribute(Order):
+1652    pass
+1653
 1654
-1655
-1656class MaterializedProperty(Property):
-1657    arg_types = {"this": False}
+1655class Sort(Order):
+1656    pass
+1657
 1658
-1659
-1660class MergeBlockRatioProperty(Property):
-1661    arg_types = {"this": False, "no": False, "default": False, "percent": False}
+1659class Ordered(Expression):
+1660    arg_types = {"this": True, "desc": True, "nulls_first": True}
+1661
 1662
-1663
-1664class NoPrimaryIndexProperty(Property):
-1665    arg_types = {"this": False}
+1663class Property(Expression):
+1664    arg_types = {"this": True, "value": True}
+1665
 1666
-1667
-1668class OnCommitProperty(Property):
-1669    arg_type = {"this": False}
+1667class AfterJournalProperty(Property):
+1668    arg_types = {"no": True, "dual": False, "local": False}
+1669
 1670
-1671
-1672class PartitionedByProperty(Property):
-1673    arg_types = {"this": True}
+1671class AlgorithmProperty(Property):
+1672    arg_types = {"this": True}
+1673
 1674
-1675
-1676class ReturnsProperty(Property):
-1677    arg_types = {"this": True, "is_table": False, "table": False}
+1675class AutoIncrementProperty(Property):
+1676    arg_types = {"this": True}
+1677
 1678
-1679
-1680class RowFormatProperty(Property):
-1681    arg_types = {"this": True}
+1679class BlockCompressionProperty(Property):
+1680    arg_types = {"autotemp": False, "always": False, "default": True, "manual": True, "never": True}
+1681
 1682
-1683
-1684class RowFormatDelimitedProperty(Property):
-1685    # https://cwiki.apache.org/confluence/display/hive/languagemanual+dml
-1686    arg_types = {
-1687        "fields": False,
-1688        "escaped": False,
-1689        "collection_items": False,
-1690        "map_keys": False,
-1691        "lines": False,
-1692        "null": False,
-1693        "serde": False,
-1694    }
-1695
-1696
-1697class RowFormatSerdeProperty(Property):
-1698    arg_types = {"this": True}
-1699
-1700
-1701class SchemaCommentProperty(Property):
-1702    arg_types = {"this": True}
-1703
-1704
-1705class SerdeProperties(Property):
-1706    arg_types = {"expressions": True}
-1707
-1708
-1709class SetProperty(Property):
-1710    arg_types = {"multi": True}
-1711
-1712
-1713class SortKeyProperty(Property):
-1714    arg_types = {"this": True, "compound": False}
-1715
-1716
-1717class SqlSecurityProperty(Property):
-1718    arg_types = {"definer": True}
-1719
-1720
-1721class StabilityProperty(Property):
-1722    arg_types = {"this": True}
-1723
-1724
-1725class TableFormatProperty(Property):
-1726    arg_types = {"this": True}
-1727
-1728
-1729class TemporaryProperty(Property):
-1730    arg_types = {"global_": True}
-1731
-1732
-1733class TransientProperty(Property):
-1734    arg_types = {"this": False}
-1735
-1736
-1737class VolatileProperty(Property):
-1738    arg_types = {"this": False}
-1739
-1740
-1741class WithDataProperty(Property):
-1742    arg_types = {"no": True, "statistics": False}
-1743
-1744
-1745class WithJournalTableProperty(Property):
-1746    arg_types = {"this": True}
+1683class CharacterSetProperty(Property):
+1684    arg_types = {"this": True, "default": True}
+1685
+1686
+1687class ChecksumProperty(Property):
+1688    arg_types = {"on": False, "default": False}
+1689
+1690
+1691class CollateProperty(Property):
+1692    arg_types = {"this": True}
+1693
+1694
+1695class DataBlocksizeProperty(Property):
+1696    arg_types = {"size": False, "units": False, "min": False, "default": False}
+1697
+1698
+1699class DefinerProperty(Property):
+1700    arg_types = {"this": True}
+1701
+1702
+1703class DistKeyProperty(Property):
+1704    arg_types = {"this": True}
+1705
+1706
+1707class DistStyleProperty(Property):
+1708    arg_types = {"this": True}
+1709
+1710
+1711class EngineProperty(Property):
+1712    arg_types = {"this": True}
+1713
+1714
+1715class ExecuteAsProperty(Property):
+1716    arg_types = {"this": True}
+1717
+1718
+1719class ExternalProperty(Property):
+1720    arg_types = {"this": False}
+1721
+1722
+1723class FallbackProperty(Property):
+1724    arg_types = {"no": True, "protection": False}
+1725
+1726
+1727class FileFormatProperty(Property):
+1728    arg_types = {"this": True}
+1729
+1730
+1731class FreespaceProperty(Property):
+1732    arg_types = {"this": True, "percent": False}
+1733
+1734
+1735class InputOutputFormat(Expression):
+1736    arg_types = {"input_format": False, "output_format": False}
+1737
+1738
+1739class IsolatedLoadingProperty(Property):
+1740    arg_types = {
+1741        "no": True,
+1742        "concurrent": True,
+1743        "for_all": True,
+1744        "for_insert": True,
+1745        "for_none": True,
+1746    }
 1747
 1748
-1749class Properties(Expression):
-1750    arg_types = {"expressions": True}
+1749class JournalProperty(Property):
+1750    arg_types = {"no": True, "dual": False, "before": False}
 1751
-1752    NAME_TO_PROPERTY = {
-1753        "ALGORITHM": AlgorithmProperty,
-1754        "AUTO_INCREMENT": AutoIncrementProperty,
-1755        "CHARACTER SET": CharacterSetProperty,
-1756        "COLLATE": CollateProperty,
-1757        "COMMENT": SchemaCommentProperty,
-1758        "DEFINER": DefinerProperty,
-1759        "DISTKEY": DistKeyProperty,
-1760        "DISTSTYLE": DistStyleProperty,
-1761        "ENGINE": EngineProperty,
-1762        "EXECUTE AS": ExecuteAsProperty,
-1763        "FORMAT": FileFormatProperty,
-1764        "LANGUAGE": LanguageProperty,
-1765        "LOCATION": LocationProperty,
-1766        "PARTITIONED_BY": PartitionedByProperty,
-1767        "RETURNS": ReturnsProperty,
-1768        "ROW_FORMAT": RowFormatProperty,
-1769        "SORTKEY": SortKeyProperty,
-1770        "TABLE_FORMAT": TableFormatProperty,
-1771    }
-1772
-1773    PROPERTY_TO_NAME = {v: k for k, v in NAME_TO_PROPERTY.items()}
+1752
+1753class LanguageProperty(Property):
+1754    arg_types = {"this": True}
+1755
+1756
+1757class LikeProperty(Property):
+1758    arg_types = {"this": True, "expressions": False}
+1759
+1760
+1761class LocationProperty(Property):
+1762    arg_types = {"this": True}
+1763
+1764
+1765class LockingProperty(Property):
+1766    arg_types = {
+1767        "this": False,
+1768        "kind": True,
+1769        "for_or_in": True,
+1770        "lock_type": True,
+1771        "override": False,
+1772    }
+1773
 1774
-1775    # CREATE property locations
-1776    # Form: schema specified
-1777    #   create [POST_CREATE]
-1778    #     table a [POST_NAME]
-1779    #     (b int) [POST_SCHEMA]
-1780    #     with ([POST_WITH])
-1781    #     index (b) [POST_INDEX]
-1782    #
-1783    # Form: alias selection
-1784    #   create [POST_CREATE]
-1785    #     table a [POST_NAME]
-1786    #     as [POST_ALIAS] (select * from b) [POST_EXPRESSION]
-1787    #     index (c) [POST_INDEX]
-1788    class Location(AutoName):
-1789        POST_CREATE = auto()
-1790        POST_NAME = auto()
-1791        POST_SCHEMA = auto()
-1792        POST_WITH = auto()
-1793        POST_ALIAS = auto()
-1794        POST_EXPRESSION = auto()
-1795        POST_INDEX = auto()
-1796        UNSUPPORTED = auto()
+1775class LogProperty(Property):
+1776    arg_types = {"no": True}
+1777
+1778
+1779class MaterializedProperty(Property):
+1780    arg_types = {"this": False}
+1781
+1782
+1783class MergeBlockRatioProperty(Property):
+1784    arg_types = {"this": False, "no": False, "default": False, "percent": False}
+1785
+1786
+1787class NoPrimaryIndexProperty(Property):
+1788    arg_types = {"this": False}
+1789
+1790
+1791class OnCommitProperty(Property):
+1792    arg_type = {"this": False}
+1793
+1794
+1795class PartitionedByProperty(Property):
+1796    arg_types = {"this": True}
 1797
-1798    @classmethod
-1799    def from_dict(cls, properties_dict) -> Properties:
-1800        expressions = []
-1801        for key, value in properties_dict.items():
-1802            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
-1803            if property_cls:
-1804                expressions.append(property_cls(this=convert(value)))
-1805            else:
-1806                expressions.append(Property(this=Literal.string(key), value=convert(value)))
-1807
-1808        return cls(expressions=expressions)
-1809
-1810
-1811class Qualify(Expression):
-1812    pass
-1813
-1814
-1815# https://www.ibm.com/docs/en/ias?topic=procedures-return-statement-in-sql
-1816class Return(Expression):
-1817    pass
+1798
+1799class ReturnsProperty(Property):
+1800    arg_types = {"this": True, "is_table": False, "table": False}
+1801
+1802
+1803class RowFormatProperty(Property):
+1804    arg_types = {"this": True}
+1805
+1806
+1807class RowFormatDelimitedProperty(Property):
+1808    # https://cwiki.apache.org/confluence/display/hive/languagemanual+dml
+1809    arg_types = {
+1810        "fields": False,
+1811        "escaped": False,
+1812        "collection_items": False,
+1813        "map_keys": False,
+1814        "lines": False,
+1815        "null": False,
+1816        "serde": False,
+1817    }
 1818
 1819
-1820class Reference(Expression):
-1821    arg_types = {"this": True, "expressions": False, "options": False}
+1820class RowFormatSerdeProperty(Property):
+1821    arg_types = {"this": True}
 1822
 1823
-1824class Tuple(Expression):
-1825    arg_types = {"expressions": False}
+1824class SchemaCommentProperty(Property):
+1825    arg_types = {"this": True}
 1826
 1827
-1828class Subqueryable(Unionable):
-1829    def subquery(self, alias=None, copy=True) -> Subquery:
-1830        """
-1831        Convert this expression to an aliased expression that can be used as a Subquery.
-1832
-1833        Example:
-1834            >>> subquery = Select().select("x").from_("tbl").subquery()
-1835            >>> Select().select("x").from_(subquery).sql()
-1836            'SELECT x FROM (SELECT x FROM tbl)'
-1837
-1838        Args:
-1839            alias (str | Identifier): an optional alias for the subquery
-1840            copy (bool): if `False`, modify this expression instance in-place.
-1841
-1842        Returns:
-1843            Alias: the subquery
-1844        """
-1845        instance = _maybe_copy(self, copy)
-1846        return Subquery(
-1847            this=instance,
-1848            alias=TableAlias(this=to_identifier(alias)) if alias else None,
-1849        )
+1828class SerdeProperties(Property):
+1829    arg_types = {"expressions": True}
+1830
+1831
+1832class SetProperty(Property):
+1833    arg_types = {"multi": True}
+1834
+1835
+1836class SortKeyProperty(Property):
+1837    arg_types = {"this": True, "compound": False}
+1838
+1839
+1840class SqlSecurityProperty(Property):
+1841    arg_types = {"definer": True}
+1842
+1843
+1844class StabilityProperty(Property):
+1845    arg_types = {"this": True}
+1846
+1847
+1848class TableFormatProperty(Property):
+1849    arg_types = {"this": True}
 1850
-1851    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1852        raise NotImplementedError
-1853
-1854    @property
-1855    def ctes(self):
-1856        with_ = self.args.get("with")
-1857        if not with_:
-1858            return []
-1859        return with_.expressions
-1860
-1861    @property
-1862    def selects(self):
-1863        raise NotImplementedError("Subqueryable objects must implement `selects`")
-1864
-1865    @property
-1866    def named_selects(self):
-1867        raise NotImplementedError("Subqueryable objects must implement `named_selects`")
-1868
-1869    def with_(
-1870        self,
-1871        alias,
-1872        as_,
-1873        recursive=None,
-1874        append=True,
-1875        dialect=None,
-1876        copy=True,
-1877        **opts,
-1878    ):
-1879        """
-1880        Append to or set the common table expressions.
-1881
-1882        Example:
-1883            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
-1884            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
-1885
-1886        Args:
-1887            alias (str | Expression): the SQL code string to parse as the table name.
-1888                If an `Expression` instance is passed, this is used as-is.
-1889            as_ (str | Expression): the SQL code string to parse as the table expression.
-1890                If an `Expression` instance is passed, it will be used as-is.
-1891            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
-1892            append (bool): if `True`, add to any existing expressions.
-1893                Otherwise, this resets the expressions.
-1894            dialect (str): the dialect used to parse the input expression.
-1895            copy (bool): if `False`, modify this expression instance in-place.
-1896            opts (kwargs): other options to use to parse the input expressions.
+1851
+1852class TemporaryProperty(Property):
+1853    arg_types = {"global_": True}
+1854
+1855
+1856class TransientProperty(Property):
+1857    arg_types = {"this": False}
+1858
+1859
+1860class VolatileProperty(Property):
+1861    arg_types = {"this": False}
+1862
+1863
+1864class WithDataProperty(Property):
+1865    arg_types = {"no": True, "statistics": False}
+1866
+1867
+1868class WithJournalTableProperty(Property):
+1869    arg_types = {"this": True}
+1870
+1871
+1872class Properties(Expression):
+1873    arg_types = {"expressions": True}
+1874
+1875    NAME_TO_PROPERTY = {
+1876        "ALGORITHM": AlgorithmProperty,
+1877        "AUTO_INCREMENT": AutoIncrementProperty,
+1878        "CHARACTER SET": CharacterSetProperty,
+1879        "COLLATE": CollateProperty,
+1880        "COMMENT": SchemaCommentProperty,
+1881        "DEFINER": DefinerProperty,
+1882        "DISTKEY": DistKeyProperty,
+1883        "DISTSTYLE": DistStyleProperty,
+1884        "ENGINE": EngineProperty,
+1885        "EXECUTE AS": ExecuteAsProperty,
+1886        "FORMAT": FileFormatProperty,
+1887        "LANGUAGE": LanguageProperty,
+1888        "LOCATION": LocationProperty,
+1889        "PARTITIONED_BY": PartitionedByProperty,
+1890        "RETURNS": ReturnsProperty,
+1891        "ROW_FORMAT": RowFormatProperty,
+1892        "SORTKEY": SortKeyProperty,
+1893        "TABLE_FORMAT": TableFormatProperty,
+1894    }
+1895
+1896    PROPERTY_TO_NAME = {v: k for k, v in NAME_TO_PROPERTY.items()}
 1897
-1898        Returns:
-1899            Select: the modified expression.
-1900        """
-1901        alias_expression = maybe_parse(
-1902            alias,
-1903            dialect=dialect,
-1904            into=TableAlias,
-1905            **opts,
-1906        )
-1907        as_expression = maybe_parse(
-1908            as_,
-1909            dialect=dialect,
-1910            **opts,
-1911        )
-1912        cte = CTE(
-1913            this=as_expression,
-1914            alias=alias_expression,
-1915        )
-1916        return _apply_child_list_builder(
-1917            cte,
-1918            instance=self,
-1919            arg="with",
-1920            append=append,
-1921            copy=copy,
-1922            into=With,
-1923            properties={"recursive": recursive or False},
-1924        )
-1925
-1926
-1927QUERY_MODIFIERS = {
-1928    "match": False,
-1929    "laterals": False,
-1930    "joins": False,
-1931    "pivots": False,
-1932    "where": False,
-1933    "group": False,
-1934    "having": False,
-1935    "qualify": False,
-1936    "windows": False,
-1937    "distribute": False,
-1938    "sort": False,
-1939    "cluster": False,
-1940    "order": False,
-1941    "limit": False,
-1942    "offset": False,
-1943    "lock": False,
-1944    "sample": False,
-1945}
+1898    # CREATE property locations
+1899    # Form: schema specified
+1900    #   create [POST_CREATE]
+1901    #     table a [POST_NAME]
+1902    #     (b int) [POST_SCHEMA]
+1903    #     with ([POST_WITH])
+1904    #     index (b) [POST_INDEX]
+1905    #
+1906    # Form: alias selection
+1907    #   create [POST_CREATE]
+1908    #     table a [POST_NAME]
+1909    #     as [POST_ALIAS] (select * from b) [POST_EXPRESSION]
+1910    #     index (c) [POST_INDEX]
+1911    class Location(AutoName):
+1912        POST_CREATE = auto()
+1913        POST_NAME = auto()
+1914        POST_SCHEMA = auto()
+1915        POST_WITH = auto()
+1916        POST_ALIAS = auto()
+1917        POST_EXPRESSION = auto()
+1918        POST_INDEX = auto()
+1919        UNSUPPORTED = auto()
+1920
+1921    @classmethod
+1922    def from_dict(cls, properties_dict) -> Properties:
+1923        expressions = []
+1924        for key, value in properties_dict.items():
+1925            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
+1926            if property_cls:
+1927                expressions.append(property_cls(this=convert(value)))
+1928            else:
+1929                expressions.append(Property(this=Literal.string(key), value=convert(value)))
+1930
+1931        return cls(expressions=expressions)
+1932
+1933
+1934class Qualify(Expression):
+1935    pass
+1936
+1937
+1938# https://www.ibm.com/docs/en/ias?topic=procedures-return-statement-in-sql
+1939class Return(Expression):
+1940    pass
+1941
+1942
+1943class Reference(Expression):
+1944    arg_types = {"this": True, "expressions": False, "options": False}
+1945
 1946
-1947
-1948class Table(Expression):
-1949    arg_types = {
-1950        "this": True,
-1951        "alias": False,
-1952        "db": False,
-1953        "catalog": False,
-1954        "laterals": False,
-1955        "joins": False,
-1956        "pivots": False,
-1957        "hints": False,
-1958        "system_time": False,
-1959    }
+1947class Tuple(Expression):
+1948    arg_types = {"expressions": False}
+1949
+1950
+1951class Subqueryable(Unionable):
+1952    def subquery(self, alias=None, copy=True) -> Subquery:
+1953        """
+1954        Convert this expression to an aliased expression that can be used as a Subquery.
+1955
+1956        Example:
+1957            >>> subquery = Select().select("x").from_("tbl").subquery()
+1958            >>> Select().select("x").from_(subquery).sql()
+1959            'SELECT x FROM (SELECT x FROM tbl)'
 1960
-1961    @property
-1962    def db(self) -> str:
-1963        return self.text("db")
+1961        Args:
+1962            alias (str | Identifier): an optional alias for the subquery
+1963            copy (bool): if `False`, modify this expression instance in-place.
 1964
-1965    @property
-1966    def catalog(self) -> str:
-1967        return self.text("catalog")
-1968
-1969
-1970# See the TSQL "Querying data in a system-versioned temporal table" page
-1971class SystemTime(Expression):
-1972    arg_types = {
-1973        "this": False,
-1974        "expression": False,
-1975        "kind": True,
-1976    }
-1977
-1978
-1979class Union(Subqueryable):
-1980    arg_types = {
-1981        "with": False,
-1982        "this": True,
-1983        "expression": True,
-1984        "distinct": False,
-1985        **QUERY_MODIFIERS,
-1986    }
+1965        Returns:
+1966            Alias: the subquery
+1967        """
+1968        instance = _maybe_copy(self, copy)
+1969        return Subquery(
+1970            this=instance,
+1971            alias=TableAlias(this=to_identifier(alias)) if alias else None,
+1972        )
+1973
+1974    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+1975        raise NotImplementedError
+1976
+1977    @property
+1978    def ctes(self):
+1979        with_ = self.args.get("with")
+1980        if not with_:
+1981            return []
+1982        return with_.expressions
+1983
+1984    @property
+1985    def selects(self):
+1986        raise NotImplementedError("Subqueryable objects must implement `selects`")
 1987
-1988    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1989        """
-1990        Set the LIMIT expression.
+1988    @property
+1989    def named_selects(self):
+1990        raise NotImplementedError("Subqueryable objects must implement `named_selects`")
 1991
-1992        Example:
-1993            >>> select("1").union(select("1")).limit(1).sql()
-1994            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
-1995
-1996        Args:
-1997            expression (str | int | Expression): the SQL code string to parse.
-1998                This can also be an integer.
-1999                If a `Limit` instance is passed, this is used as-is.
-2000                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-2001            dialect (str): the dialect used to parse the input expression.
-2002            copy (bool): if `False`, modify this expression instance in-place.
-2003            opts (kwargs): other options to use to parse the input expressions.
+1992    def with_(
+1993        self,
+1994        alias,
+1995        as_,
+1996        recursive=None,
+1997        append=True,
+1998        dialect=None,
+1999        copy=True,
+2000        **opts,
+2001    ):
+2002        """
+2003        Append to or set the common table expressions.
 2004
-2005        Returns:
-2006            Select: The limited subqueryable.
-2007        """
-2008        return (
-2009            select("*")
-2010            .from_(self.subquery(alias="_l_0", copy=copy))
-2011            .limit(expression, dialect=dialect, copy=False, **opts)
-2012        )
-2013
-2014    def select(
-2015        self,
-2016        *expressions: ExpOrStr,
-2017        append: bool = True,
-2018        dialect: DialectType = None,
-2019        copy: bool = True,
-2020        **opts,
-2021    ) -> Union:
-2022        """Append to or set the SELECT of the union recursively.
-2023
-2024        Example:
-2025            >>> from sqlglot import parse_one
-2026            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
-2027            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
-2028
-2029        Args:
-2030            *expressions: the SQL code strings to parse.
-2031                If an `Expression` instance is passed, it will be used as-is.
-2032            append: if `True`, add to any existing expressions.
-2033                Otherwise, this resets the expressions.
-2034            dialect: the dialect used to parse the input expressions.
-2035            copy: if `False`, modify this expression instance in-place.
-2036            opts: other options to use to parse the input expressions.
-2037
-2038        Returns:
-2039            Union: the modified expression.
-2040        """
-2041        this = self.copy() if copy else self
-2042        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
-2043        this.expression.unnest().select(
-2044            *expressions, append=append, dialect=dialect, copy=False, **opts
-2045        )
-2046        return this
-2047
-2048    @property
-2049    def named_selects(self):
-2050        return self.this.unnest().named_selects
-2051
-2052    @property
-2053    def is_star(self) -> bool:
-2054        return self.this.is_star or self.expression.is_star
-2055
-2056    @property
-2057    def selects(self):
-2058        return self.this.unnest().selects
-2059
-2060    @property
-2061    def left(self):
-2062        return self.this
-2063
-2064    @property
-2065    def right(self):
-2066        return self.expression
-2067
-2068
-2069class Except(Union):
-2070    pass
-2071
-2072
-2073class Intersect(Union):
-2074    pass
-2075
-2076
-2077class Unnest(UDTF):
-2078    arg_types = {
-2079        "expressions": True,
-2080        "ordinality": False,
-2081        "alias": False,
-2082        "offset": False,
-2083    }
-2084
-2085
-2086class Update(Expression):
-2087    arg_types = {
-2088        "with": False,
-2089        "this": False,
-2090        "expressions": True,
-2091        "from": False,
-2092        "where": False,
-2093        "returning": False,
-2094    }
-2095
-2096
-2097class Values(UDTF):
-2098    arg_types = {
-2099        "expressions": True,
-2100        "ordinality": False,
-2101        "alias": False,
-2102    }
-2103
-2104
-2105class Var(Expression):
-2106    pass
-2107
-2108
-2109class Schema(Expression):
-2110    arg_types = {"this": False, "expressions": False}
-2111
-2112
-2113# Used to represent the FOR UPDATE and FOR SHARE locking read types.
-2114# https://dev.mysql.com/doc/refman/8.0/en/innodb-locking-reads.html
-2115class Lock(Expression):
-2116    arg_types = {"update": True}
-2117
+2005        Example:
+2006            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
+2007            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
+2008
+2009        Args:
+2010            alias (str | Expression): the SQL code string to parse as the table name.
+2011                If an `Expression` instance is passed, this is used as-is.
+2012            as_ (str | Expression): the SQL code string to parse as the table expression.
+2013                If an `Expression` instance is passed, it will be used as-is.
+2014            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
+2015            append (bool): if `True`, add to any existing expressions.
+2016                Otherwise, this resets the expressions.
+2017            dialect (str): the dialect used to parse the input expression.
+2018            copy (bool): if `False`, modify this expression instance in-place.
+2019            opts (kwargs): other options to use to parse the input expressions.
+2020
+2021        Returns:
+2022            Select: the modified expression.
+2023        """
+2024        alias_expression = maybe_parse(
+2025            alias,
+2026            dialect=dialect,
+2027            into=TableAlias,
+2028            **opts,
+2029        )
+2030        as_expression = maybe_parse(
+2031            as_,
+2032            dialect=dialect,
+2033            **opts,
+2034        )
+2035        cte = CTE(
+2036            this=as_expression,
+2037            alias=alias_expression,
+2038        )
+2039        return _apply_child_list_builder(
+2040            cte,
+2041            instance=self,
+2042            arg="with",
+2043            append=append,
+2044            copy=copy,
+2045            into=With,
+2046            properties={"recursive": recursive or False},
+2047        )
+2048
+2049
+2050QUERY_MODIFIERS = {
+2051    "match": False,
+2052    "laterals": False,
+2053    "joins": False,
+2054    "pivots": False,
+2055    "where": False,
+2056    "group": False,
+2057    "having": False,
+2058    "qualify": False,
+2059    "windows": False,
+2060    "distribute": False,
+2061    "sort": False,
+2062    "cluster": False,
+2063    "order": False,
+2064    "limit": False,
+2065    "offset": False,
+2066    "lock": False,
+2067    "sample": False,
+2068}
+2069
+2070
+2071class Table(Expression):
+2072    arg_types = {
+2073        "this": True,
+2074        "alias": False,
+2075        "db": False,
+2076        "catalog": False,
+2077        "laterals": False,
+2078        "joins": False,
+2079        "pivots": False,
+2080        "hints": False,
+2081        "system_time": False,
+2082    }
+2083
+2084    @property
+2085    def db(self) -> str:
+2086        return self.text("db")
+2087
+2088    @property
+2089    def catalog(self) -> str:
+2090        return self.text("catalog")
+2091
+2092
+2093# See the TSQL "Querying data in a system-versioned temporal table" page
+2094class SystemTime(Expression):
+2095    arg_types = {
+2096        "this": False,
+2097        "expression": False,
+2098        "kind": True,
+2099    }
+2100
+2101
+2102class Union(Subqueryable):
+2103    arg_types = {
+2104        "with": False,
+2105        "this": True,
+2106        "expression": True,
+2107        "distinct": False,
+2108        **QUERY_MODIFIERS,
+2109    }
+2110
+2111    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+2112        """
+2113        Set the LIMIT expression.
+2114
+2115        Example:
+2116            >>> select("1").union(select("1")).limit(1).sql()
+2117            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
 2118
-2119class Select(Subqueryable):
-2120    arg_types = {
-2121        "with": False,
-2122        "kind": False,
-2123        "expressions": False,
-2124        "hint": False,
-2125        "distinct": False,
-2126        "into": False,
-2127        "from": False,
-2128        **QUERY_MODIFIERS,
-2129    }
-2130
-2131    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2132        """
-2133        Set the FROM expression.
-2134
-2135        Example:
-2136            >>> Select().from_("tbl").select("x").sql()
-2137            'SELECT x FROM tbl'
-2138
-2139        Args:
-2140            *expressions (str | Expression): the SQL code strings to parse.
-2141                If a `From` instance is passed, this is used as-is.
-2142                If another `Expression` instance is passed, it will be wrapped in a `From`.
-2143            append (bool): if `True`, add to any existing expressions.
-2144                Otherwise, this flattens all the `From` expression into a single expression.
-2145            dialect (str): the dialect used to parse the input expression.
-2146            copy (bool): if `False`, modify this expression instance in-place.
-2147            opts (kwargs): other options to use to parse the input expressions.
-2148
-2149        Returns:
-2150            Select: the modified expression.
-2151        """
-2152        return _apply_child_list_builder(
-2153            *expressions,
-2154            instance=self,
-2155            arg="from",
-2156            append=append,
-2157            copy=copy,
-2158            prefix="FROM",
-2159            into=From,
-2160            dialect=dialect,
-2161            **opts,
-2162        )
-2163
-2164    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2165        """
-2166        Set the GROUP BY expression.
-2167
-2168        Example:
-2169            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
-2170            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
-2171
-2172        Args:
-2173            *expressions (str | Expression): the SQL code strings to parse.
-2174                If a `Group` instance is passed, this is used as-is.
-2175                If another `Expression` instance is passed, it will be wrapped in a `Group`.
-2176                If nothing is passed in then a group by is not applied to the expression
-2177            append (bool): if `True`, add to any existing expressions.
-2178                Otherwise, this flattens all the `Group` expression into a single expression.
-2179            dialect (str): the dialect used to parse the input expression.
-2180            copy (bool): if `False`, modify this expression instance in-place.
-2181            opts (kwargs): other options to use to parse the input expressions.
+2119        Args:
+2120            expression (str | int | Expression): the SQL code string to parse.
+2121                This can also be an integer.
+2122                If a `Limit` instance is passed, this is used as-is.
+2123                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+2124            dialect (str): the dialect used to parse the input expression.
+2125            copy (bool): if `False`, modify this expression instance in-place.
+2126            opts (kwargs): other options to use to parse the input expressions.
+2127
+2128        Returns:
+2129            Select: The limited subqueryable.
+2130        """
+2131        return (
+2132            select("*")
+2133            .from_(self.subquery(alias="_l_0", copy=copy))
+2134            .limit(expression, dialect=dialect, copy=False, **opts)
+2135        )
+2136
+2137    def select(
+2138        self,
+2139        *expressions: ExpOrStr,
+2140        append: bool = True,
+2141        dialect: DialectType = None,
+2142        copy: bool = True,
+2143        **opts,
+2144    ) -> Union:
+2145        """Append to or set the SELECT of the union recursively.
+2146
+2147        Example:
+2148            >>> from sqlglot import parse_one
+2149            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
+2150            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
+2151
+2152        Args:
+2153            *expressions: the SQL code strings to parse.
+2154                If an `Expression` instance is passed, it will be used as-is.
+2155            append: if `True`, add to any existing expressions.
+2156                Otherwise, this resets the expressions.
+2157            dialect: the dialect used to parse the input expressions.
+2158            copy: if `False`, modify this expression instance in-place.
+2159            opts: other options to use to parse the input expressions.
+2160
+2161        Returns:
+2162            Union: the modified expression.
+2163        """
+2164        this = self.copy() if copy else self
+2165        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
+2166        this.expression.unnest().select(
+2167            *expressions, append=append, dialect=dialect, copy=False, **opts
+2168        )
+2169        return this
+2170
+2171    @property
+2172    def named_selects(self):
+2173        return self.this.unnest().named_selects
+2174
+2175    @property
+2176    def is_star(self) -> bool:
+2177        return self.this.is_star or self.expression.is_star
+2178
+2179    @property
+2180    def selects(self):
+2181        return self.this.unnest().selects
 2182
-2183        Returns:
-2184            Select: the modified expression.
-2185        """
-2186        if not expressions:
-2187            return self if not copy else self.copy()
-2188        return _apply_child_list_builder(
-2189            *expressions,
-2190            instance=self,
-2191            arg="group",
-2192            append=append,
-2193            copy=copy,
-2194            prefix="GROUP BY",
-2195            into=Group,
-2196            dialect=dialect,
-2197            **opts,
-2198        )
+2183    @property
+2184    def left(self):
+2185        return self.this
+2186
+2187    @property
+2188    def right(self):
+2189        return self.expression
+2190
+2191
+2192class Except(Union):
+2193    pass
+2194
+2195
+2196class Intersect(Union):
+2197    pass
+2198
 2199
-2200    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2201        """
-2202        Set the ORDER BY expression.
-2203
-2204        Example:
-2205            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
-2206            'SELECT x FROM tbl ORDER BY x DESC'
+2200class Unnest(UDTF):
+2201    arg_types = {
+2202        "expressions": True,
+2203        "ordinality": False,
+2204        "alias": False,
+2205        "offset": False,
+2206    }
 2207
-2208        Args:
-2209            *expressions (str | Expression): the SQL code strings to parse.
-2210                If a `Group` instance is passed, this is used as-is.
-2211                If another `Expression` instance is passed, it will be wrapped in a `Order`.
-2212            append (bool): if `True`, add to any existing expressions.
-2213                Otherwise, this flattens all the `Order` expression into a single expression.
-2214            dialect (str): the dialect used to parse the input expression.
-2215            copy (bool): if `False`, modify this expression instance in-place.
-2216            opts (kwargs): other options to use to parse the input expressions.
-2217
-2218        Returns:
-2219            Select: the modified expression.
-2220        """
-2221        return _apply_child_list_builder(
-2222            *expressions,
-2223            instance=self,
-2224            arg="order",
-2225            append=append,
-2226            copy=copy,
-2227            prefix="ORDER BY",
-2228            into=Order,
-2229            dialect=dialect,
-2230            **opts,
-2231        )
-2232
-2233    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2234        """
-2235        Set the SORT BY expression.
-2236
-2237        Example:
-2238            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
-2239            'SELECT x FROM tbl SORT BY x DESC'
+2208
+2209class Update(Expression):
+2210    arg_types = {
+2211        "with": False,
+2212        "this": False,
+2213        "expressions": True,
+2214        "from": False,
+2215        "where": False,
+2216        "returning": False,
+2217    }
+2218
+2219
+2220class Values(UDTF):
+2221    arg_types = {
+2222        "expressions": True,
+2223        "ordinality": False,
+2224        "alias": False,
+2225    }
+2226
+2227
+2228class Var(Expression):
+2229    pass
+2230
+2231
+2232class Schema(Expression):
+2233    arg_types = {"this": False, "expressions": False}
+2234
+2235
+2236# Used to represent the FOR UPDATE and FOR SHARE locking read types.
+2237# https://dev.mysql.com/doc/refman/8.0/en/innodb-locking-reads.html
+2238class Lock(Expression):
+2239    arg_types = {"update": True}
 2240
-2241        Args:
-2242            *expressions (str | Expression): the SQL code strings to parse.
-2243                If a `Group` instance is passed, this is used as-is.
-2244                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
-2245            append (bool): if `True`, add to any existing expressions.
-2246                Otherwise, this flattens all the `Order` expression into a single expression.
-2247            dialect (str): the dialect used to parse the input expression.
-2248            copy (bool): if `False`, modify this expression instance in-place.
-2249            opts (kwargs): other options to use to parse the input expressions.
-2250
-2251        Returns:
-2252            Select: the modified expression.
-2253        """
-2254        return _apply_child_list_builder(
-2255            *expressions,
-2256            instance=self,
-2257            arg="sort",
-2258            append=append,
-2259            copy=copy,
-2260            prefix="SORT BY",
-2261            into=Sort,
-2262            dialect=dialect,
-2263            **opts,
-2264        )
-2265
-2266    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2267        """
-2268        Set the CLUSTER BY expression.
-2269
-2270        Example:
-2271            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
-2272            'SELECT x FROM tbl CLUSTER BY x DESC'
-2273
-2274        Args:
-2275            *expressions (str | Expression): the SQL code strings to parse.
-2276                If a `Group` instance is passed, this is used as-is.
-2277                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
-2278            append (bool): if `True`, add to any existing expressions.
-2279                Otherwise, this flattens all the `Order` expression into a single expression.
-2280            dialect (str): the dialect used to parse the input expression.
-2281            copy (bool): if `False`, modify this expression instance in-place.
-2282            opts (kwargs): other options to use to parse the input expressions.
-2283
-2284        Returns:
-2285            Select: the modified expression.
-2286        """
-2287        return _apply_child_list_builder(
-2288            *expressions,
-2289            instance=self,
-2290            arg="cluster",
-2291            append=append,
-2292            copy=copy,
-2293            prefix="CLUSTER BY",
-2294            into=Cluster,
-2295            dialect=dialect,
-2296            **opts,
-2297        )
-2298
-2299    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-2300        """
-2301        Set the LIMIT expression.
-2302
-2303        Example:
-2304            >>> Select().from_("tbl").select("x").limit(10).sql()
-2305            'SELECT x FROM tbl LIMIT 10'
-2306
-2307        Args:
-2308            expression (str | int | Expression): the SQL code string to parse.
-2309                This can also be an integer.
-2310                If a `Limit` instance is passed, this is used as-is.
-2311                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-2312            dialect (str): the dialect used to parse the input expression.
-2313            copy (bool): if `False`, modify this expression instance in-place.
-2314            opts (kwargs): other options to use to parse the input expressions.
-2315
-2316        Returns:
-2317            Select: the modified expression.
-2318        """
-2319        return _apply_builder(
-2320            expression=expression,
-2321            instance=self,
-2322            arg="limit",
-2323            into=Limit,
-2324            prefix="LIMIT",
-2325            dialect=dialect,
-2326            copy=copy,
-2327            **opts,
-2328        )
-2329
-2330    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
-2331        """
-2332        Set the OFFSET expression.
-2333
-2334        Example:
-2335            >>> Select().from_("tbl").select("x").offset(10).sql()
-2336            'SELECT x FROM tbl OFFSET 10'
-2337
-2338        Args:
-2339            expression (str | int | Expression): the SQL code string to parse.
-2340                This can also be an integer.
-2341                If a `Offset` instance is passed, this is used as-is.
-2342                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
-2343            dialect (str): the dialect used to parse the input expression.
-2344            copy (bool): if `False`, modify this expression instance in-place.
-2345            opts (kwargs): other options to use to parse the input expressions.
-2346
-2347        Returns:
-2348            Select: the modified expression.
-2349        """
-2350        return _apply_builder(
-2351            expression=expression,
-2352            instance=self,
-2353            arg="offset",
-2354            into=Offset,
-2355            prefix="OFFSET",
-2356            dialect=dialect,
-2357            copy=copy,
-2358            **opts,
-2359        )
-2360
-2361    def select(
-2362        self,
-2363        *expressions: ExpOrStr,
-2364        append: bool = True,
-2365        dialect: DialectType = None,
-2366        copy: bool = True,
-2367        **opts,
-2368    ) -> Select:
-2369        """
-2370        Append to or set the SELECT expressions.
-2371
-2372        Example:
-2373            >>> Select().select("x", "y").sql()
-2374            'SELECT x, y'
-2375
-2376        Args:
-2377            *expressions: the SQL code strings to parse.
-2378                If an `Expression` instance is passed, it will be used as-is.
-2379            append: if `True`, add to any existing expressions.
-2380                Otherwise, this resets the expressions.
-2381            dialect: the dialect used to parse the input expressions.
-2382            copy: if `False`, modify this expression instance in-place.
-2383            opts: other options to use to parse the input expressions.
-2384
-2385        Returns:
-2386            Select: the modified expression.
-2387        """
-2388        return _apply_list_builder(
-2389            *expressions,
-2390            instance=self,
-2391            arg="expressions",
-2392            append=append,
-2393            dialect=dialect,
-2394            copy=copy,
-2395            **opts,
-2396        )
-2397
-2398    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2399        """
-2400        Append to or set the LATERAL expressions.
-2401
-2402        Example:
-2403            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
-2404            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
-2405
-2406        Args:
-2407            *expressions (str | Expression): the SQL code strings to parse.
-2408                If an `Expression` instance is passed, it will be used as-is.
-2409            append (bool): if `True`, add to any existing expressions.
-2410                Otherwise, this resets the expressions.
-2411            dialect (str): the dialect used to parse the input expressions.
-2412            copy (bool): if `False`, modify this expression instance in-place.
-2413            opts (kwargs): other options to use to parse the input expressions.
-2414
-2415        Returns:
-2416            Select: the modified expression.
-2417        """
-2418        return _apply_list_builder(
-2419            *expressions,
-2420            instance=self,
-2421            arg="laterals",
-2422            append=append,
-2423            into=Lateral,
-2424            prefix="LATERAL VIEW",
-2425            dialect=dialect,
-2426            copy=copy,
-2427            **opts,
-2428        )
+2241
+2242class Select(Subqueryable):
+2243    arg_types = {
+2244        "with": False,
+2245        "kind": False,
+2246        "expressions": False,
+2247        "hint": False,
+2248        "distinct": False,
+2249        "into": False,
+2250        "from": False,
+2251        **QUERY_MODIFIERS,
+2252    }
+2253
+2254    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2255        """
+2256        Set the FROM expression.
+2257
+2258        Example:
+2259            >>> Select().from_("tbl").select("x").sql()
+2260            'SELECT x FROM tbl'
+2261
+2262        Args:
+2263            *expressions (str | Expression): the SQL code strings to parse.
+2264                If a `From` instance is passed, this is used as-is.
+2265                If another `Expression` instance is passed, it will be wrapped in a `From`.
+2266            append (bool): if `True`, add to any existing expressions.
+2267                Otherwise, this flattens all the `From` expression into a single expression.
+2268            dialect (str): the dialect used to parse the input expression.
+2269            copy (bool): if `False`, modify this expression instance in-place.
+2270            opts (kwargs): other options to use to parse the input expressions.
+2271
+2272        Returns:
+2273            Select: the modified expression.
+2274        """
+2275        return _apply_child_list_builder(
+2276            *expressions,
+2277            instance=self,
+2278            arg="from",
+2279            append=append,
+2280            copy=copy,
+2281            prefix="FROM",
+2282            into=From,
+2283            dialect=dialect,
+2284            **opts,
+2285        )
+2286
+2287    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2288        """
+2289        Set the GROUP BY expression.
+2290
+2291        Example:
+2292            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
+2293            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
+2294
+2295        Args:
+2296            *expressions (str | Expression): the SQL code strings to parse.
+2297                If a `Group` instance is passed, this is used as-is.
+2298                If another `Expression` instance is passed, it will be wrapped in a `Group`.
+2299                If nothing is passed in then a group by is not applied to the expression
+2300            append (bool): if `True`, add to any existing expressions.
+2301                Otherwise, this flattens all the `Group` expression into a single expression.
+2302            dialect (str): the dialect used to parse the input expression.
+2303            copy (bool): if `False`, modify this expression instance in-place.
+2304            opts (kwargs): other options to use to parse the input expressions.
+2305
+2306        Returns:
+2307            Select: the modified expression.
+2308        """
+2309        if not expressions:
+2310            return self if not copy else self.copy()
+2311        return _apply_child_list_builder(
+2312            *expressions,
+2313            instance=self,
+2314            arg="group",
+2315            append=append,
+2316            copy=copy,
+2317            prefix="GROUP BY",
+2318            into=Group,
+2319            dialect=dialect,
+2320            **opts,
+2321        )
+2322
+2323    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2324        """
+2325        Set the ORDER BY expression.
+2326
+2327        Example:
+2328            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
+2329            'SELECT x FROM tbl ORDER BY x DESC'
+2330
+2331        Args:
+2332            *expressions (str | Expression): the SQL code strings to parse.
+2333                If a `Group` instance is passed, this is used as-is.
+2334                If another `Expression` instance is passed, it will be wrapped in a `Order`.
+2335            append (bool): if `True`, add to any existing expressions.
+2336                Otherwise, this flattens all the `Order` expression into a single expression.
+2337            dialect (str): the dialect used to parse the input expression.
+2338            copy (bool): if `False`, modify this expression instance in-place.
+2339            opts (kwargs): other options to use to parse the input expressions.
+2340
+2341        Returns:
+2342            Select: the modified expression.
+2343        """
+2344        return _apply_child_list_builder(
+2345            *expressions,
+2346            instance=self,
+2347            arg="order",
+2348            append=append,
+2349            copy=copy,
+2350            prefix="ORDER BY",
+2351            into=Order,
+2352            dialect=dialect,
+2353            **opts,
+2354        )
+2355
+2356    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2357        """
+2358        Set the SORT BY expression.
+2359
+2360        Example:
+2361            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
+2362            'SELECT x FROM tbl SORT BY x DESC'
+2363
+2364        Args:
+2365            *expressions (str | Expression): the SQL code strings to parse.
+2366                If a `Group` instance is passed, this is used as-is.
+2367                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
+2368            append (bool): if `True`, add to any existing expressions.
+2369                Otherwise, this flattens all the `Order` expression into a single expression.
+2370            dialect (str): the dialect used to parse the input expression.
+2371            copy (bool): if `False`, modify this expression instance in-place.
+2372            opts (kwargs): other options to use to parse the input expressions.
+2373
+2374        Returns:
+2375            Select: the modified expression.
+2376        """
+2377        return _apply_child_list_builder(
+2378            *expressions,
+2379            instance=self,
+2380            arg="sort",
+2381            append=append,
+2382            copy=copy,
+2383            prefix="SORT BY",
+2384            into=Sort,
+2385            dialect=dialect,
+2386            **opts,
+2387        )
+2388
+2389    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2390        """
+2391        Set the CLUSTER BY expression.
+2392
+2393        Example:
+2394            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
+2395            'SELECT x FROM tbl CLUSTER BY x DESC'
+2396
+2397        Args:
+2398            *expressions (str | Expression): the SQL code strings to parse.
+2399                If a `Group` instance is passed, this is used as-is.
+2400                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
+2401            append (bool): if `True`, add to any existing expressions.
+2402                Otherwise, this flattens all the `Order` expression into a single expression.
+2403            dialect (str): the dialect used to parse the input expression.
+2404            copy (bool): if `False`, modify this expression instance in-place.
+2405            opts (kwargs): other options to use to parse the input expressions.
+2406
+2407        Returns:
+2408            Select: the modified expression.
+2409        """
+2410        return _apply_child_list_builder(
+2411            *expressions,
+2412            instance=self,
+2413            arg="cluster",
+2414            append=append,
+2415            copy=copy,
+2416            prefix="CLUSTER BY",
+2417            into=Cluster,
+2418            dialect=dialect,
+2419            **opts,
+2420        )
+2421
+2422    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+2423        """
+2424        Set the LIMIT expression.
+2425
+2426        Example:
+2427            >>> Select().from_("tbl").select("x").limit(10).sql()
+2428            'SELECT x FROM tbl LIMIT 10'
 2429
-2430    def join(
-2431        self,
-2432        expression,
-2433        on=None,
-2434        using=None,
-2435        append=True,
-2436        join_type=None,
-2437        join_alias=None,
-2438        dialect=None,
-2439        copy=True,
-2440        **opts,
-2441    ) -> Select:
-2442        """
-2443        Append to or set the JOIN expressions.
-2444
-2445        Example:
-2446            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
-2447            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
-2448
-2449            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
-2450            'SELECT 1 FROM a JOIN b USING (x, y, z)'
-2451
-2452            Use `join_type` to change the type of join:
-2453
-2454            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
-2455            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
+2430        Args:
+2431            expression (str | int | Expression): the SQL code string to parse.
+2432                This can also be an integer.
+2433                If a `Limit` instance is passed, this is used as-is.
+2434                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+2435            dialect (str): the dialect used to parse the input expression.
+2436            copy (bool): if `False`, modify this expression instance in-place.
+2437            opts (kwargs): other options to use to parse the input expressions.
+2438
+2439        Returns:
+2440            Select: the modified expression.
+2441        """
+2442        return _apply_builder(
+2443            expression=expression,
+2444            instance=self,
+2445            arg="limit",
+2446            into=Limit,
+2447            prefix="LIMIT",
+2448            dialect=dialect,
+2449            copy=copy,
+2450            **opts,
+2451        )
+2452
+2453    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
+2454        """
+2455        Set the OFFSET expression.
 2456
-2457        Args:
-2458            expression (str | Expression): the SQL code string to parse.
-2459                If an `Expression` instance is passed, it will be used as-is.
-2460            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
-2461                If an `Expression` instance is passed, it will be used as-is.
-2462            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
-2463                If an `Expression` instance is passed, it will be used as-is.
-2464            append (bool): if `True`, add to any existing expressions.
-2465                Otherwise, this resets the expressions.
-2466            join_type (str): If set, alter the parsed join type
-2467            dialect (str): the dialect used to parse the input expressions.
-2468            copy (bool): if `False`, modify this expression instance in-place.
-2469            opts (kwargs): other options to use to parse the input expressions.
-2470
-2471        Returns:
-2472            Select: the modified expression.
-2473        """
-2474        parse_args = {"dialect": dialect, **opts}
-2475
-2476        try:
-2477            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
-2478        except ParseError:
-2479            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
-2480
-2481        join = expression if isinstance(expression, Join) else Join(this=expression)
-2482
-2483        if isinstance(join.this, Select):
-2484            join.this.replace(join.this.subquery())
-2485
-2486        if join_type:
-2487            natural: t.Optional[Token]
-2488            side: t.Optional[Token]
-2489            kind: t.Optional[Token]
-2490
-2491            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
-2492
-2493            if natural:
-2494                join.set("natural", True)
-2495            if side:
-2496                join.set("side", side.text)
-2497            if kind:
-2498                join.set("kind", kind.text)
-2499
-2500        if on:
-2501            on = and_(*ensure_collection(on), dialect=dialect, **opts)
-2502            join.set("on", on)
-2503
-2504        if using:
-2505            join = _apply_list_builder(
-2506                *ensure_collection(using),
-2507                instance=join,
-2508                arg="using",
-2509                append=append,
-2510                copy=copy,
-2511                **opts,
-2512            )
-2513
-2514        if join_alias:
-2515            join.set("this", alias_(join.this, join_alias, table=True))
-2516        return _apply_list_builder(
-2517            join,
-2518            instance=self,
-2519            arg="joins",
-2520            append=append,
-2521            copy=copy,
-2522            **opts,
-2523        )
+2457        Example:
+2458            >>> Select().from_("tbl").select("x").offset(10).sql()
+2459            'SELECT x FROM tbl OFFSET 10'
+2460
+2461        Args:
+2462            expression (str | int | Expression): the SQL code string to parse.
+2463                This can also be an integer.
+2464                If a `Offset` instance is passed, this is used as-is.
+2465                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
+2466            dialect (str): the dialect used to parse the input expression.
+2467            copy (bool): if `False`, modify this expression instance in-place.
+2468            opts (kwargs): other options to use to parse the input expressions.
+2469
+2470        Returns:
+2471            Select: the modified expression.
+2472        """
+2473        return _apply_builder(
+2474            expression=expression,
+2475            instance=self,
+2476            arg="offset",
+2477            into=Offset,
+2478            prefix="OFFSET",
+2479            dialect=dialect,
+2480            copy=copy,
+2481            **opts,
+2482        )
+2483
+2484    def select(
+2485        self,
+2486        *expressions: ExpOrStr,
+2487        append: bool = True,
+2488        dialect: DialectType = None,
+2489        copy: bool = True,
+2490        **opts,
+2491    ) -> Select:
+2492        """
+2493        Append to or set the SELECT expressions.
+2494
+2495        Example:
+2496            >>> Select().select("x", "y").sql()
+2497            'SELECT x, y'
+2498
+2499        Args:
+2500            *expressions: the SQL code strings to parse.
+2501                If an `Expression` instance is passed, it will be used as-is.
+2502            append: if `True`, add to any existing expressions.
+2503                Otherwise, this resets the expressions.
+2504            dialect: the dialect used to parse the input expressions.
+2505            copy: if `False`, modify this expression instance in-place.
+2506            opts: other options to use to parse the input expressions.
+2507
+2508        Returns:
+2509            Select: the modified expression.
+2510        """
+2511        return _apply_list_builder(
+2512            *expressions,
+2513            instance=self,
+2514            arg="expressions",
+2515            append=append,
+2516            dialect=dialect,
+2517            copy=copy,
+2518            **opts,
+2519        )
+2520
+2521    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2522        """
+2523        Append to or set the LATERAL expressions.
 2524
-2525    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2526        """
-2527        Append to or set the WHERE expressions.
+2525        Example:
+2526            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
+2527            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
 2528
-2529        Example:
-2530            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
-2531            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
-2532
-2533        Args:
-2534            *expressions (str | Expression): the SQL code strings to parse.
-2535                If an `Expression` instance is passed, it will be used as-is.
-2536                Multiple expressions are combined with an AND operator.
-2537            append (bool): if `True`, AND the new expressions to any existing expression.
-2538                Otherwise, this resets the expression.
-2539            dialect (str): the dialect used to parse the input expressions.
-2540            copy (bool): if `False`, modify this expression instance in-place.
-2541            opts (kwargs): other options to use to parse the input expressions.
-2542
-2543        Returns:
-2544            Select: the modified expression.
-2545        """
-2546        return _apply_conjunction_builder(
-2547            *expressions,
-2548            instance=self,
-2549            arg="where",
-2550            append=append,
-2551            into=Where,
-2552            dialect=dialect,
-2553            copy=copy,
-2554            **opts,
-2555        )
-2556
-2557    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2558        """
-2559        Append to or set the HAVING expressions.
-2560
-2561        Example:
-2562            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
-2563            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
-2564
-2565        Args:
-2566            *expressions (str | Expression): the SQL code strings to parse.
-2567                If an `Expression` instance is passed, it will be used as-is.
-2568                Multiple expressions are combined with an AND operator.
-2569            append (bool): if `True`, AND the new expressions to any existing expression.
-2570                Otherwise, this resets the expression.
-2571            dialect (str): the dialect used to parse the input expressions.
-2572            copy (bool): if `False`, modify this expression instance in-place.
-2573            opts (kwargs): other options to use to parse the input expressions.
+2529        Args:
+2530            *expressions (str | Expression): the SQL code strings to parse.
+2531                If an `Expression` instance is passed, it will be used as-is.
+2532            append (bool): if `True`, add to any existing expressions.
+2533                Otherwise, this resets the expressions.
+2534            dialect (str): the dialect used to parse the input expressions.
+2535            copy (bool): if `False`, modify this expression instance in-place.
+2536            opts (kwargs): other options to use to parse the input expressions.
+2537
+2538        Returns:
+2539            Select: the modified expression.
+2540        """
+2541        return _apply_list_builder(
+2542            *expressions,
+2543            instance=self,
+2544            arg="laterals",
+2545            append=append,
+2546            into=Lateral,
+2547            prefix="LATERAL VIEW",
+2548            dialect=dialect,
+2549            copy=copy,
+2550            **opts,
+2551        )
+2552
+2553    def join(
+2554        self,
+2555        expression,
+2556        on=None,
+2557        using=None,
+2558        append=True,
+2559        join_type=None,
+2560        join_alias=None,
+2561        dialect=None,
+2562        copy=True,
+2563        **opts,
+2564    ) -> Select:
+2565        """
+2566        Append to or set the JOIN expressions.
+2567
+2568        Example:
+2569            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
+2570            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
+2571
+2572            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
+2573            'SELECT 1 FROM a JOIN b USING (x, y, z)'
 2574
-2575        Returns:
-2576            Select: the modified expression.
-2577        """
-2578        return _apply_conjunction_builder(
-2579            *expressions,
-2580            instance=self,
-2581            arg="having",
-2582            append=append,
-2583            into=Having,
-2584            dialect=dialect,
-2585            copy=copy,
-2586            **opts,
-2587        )
-2588
-2589    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2590        return _apply_list_builder(
-2591            *expressions,
-2592            instance=self,
-2593            arg="windows",
-2594            append=append,
-2595            into=Window,
-2596            dialect=dialect,
-2597            copy=copy,
-2598            **opts,
-2599        )
-2600
-2601    def qualify(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2602        return _apply_conjunction_builder(
-2603            *expressions,
-2604            instance=self,
-2605            arg="qualify",
-2606            append=append,
-2607            into=Qualify,
-2608            dialect=dialect,
-2609            copy=copy,
-2610            **opts,
-2611        )
-2612
-2613    def distinct(self, distinct=True, copy=True) -> Select:
-2614        """
-2615        Set the OFFSET expression.
-2616
-2617        Example:
-2618            >>> Select().from_("tbl").select("x").distinct().sql()
-2619            'SELECT DISTINCT x FROM tbl'
-2620
-2621        Args:
-2622            distinct (bool): whether the Select should be distinct
-2623            copy (bool): if `False`, modify this expression instance in-place.
-2624
-2625        Returns:
-2626            Select: the modified expression.
-2627        """
-2628        instance = _maybe_copy(self, copy)
-2629        instance.set("distinct", Distinct() if distinct else None)
-2630        return instance
-2631
-2632    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
-2633        """
-2634        Convert this expression to a CREATE TABLE AS statement.
-2635
-2636        Example:
-2637            >>> Select().select("*").from_("tbl").ctas("x").sql()
-2638            'CREATE TABLE x AS SELECT * FROM tbl'
-2639
-2640        Args:
-2641            table (str | Expression): the SQL code string to parse as the table name.
-2642                If another `Expression` instance is passed, it will be used as-is.
-2643            properties (dict): an optional mapping of table properties
-2644            dialect (str): the dialect used to parse the input table.
-2645            copy (bool): if `False`, modify this expression instance in-place.
-2646            opts (kwargs): other options to use to parse the input table.
+2575            Use `join_type` to change the type of join:
+2576
+2577            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
+2578            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
+2579
+2580        Args:
+2581            expression (str | Expression): the SQL code string to parse.
+2582                If an `Expression` instance is passed, it will be used as-is.
+2583            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
+2584                If an `Expression` instance is passed, it will be used as-is.
+2585            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
+2586                If an `Expression` instance is passed, it will be used as-is.
+2587            append (bool): if `True`, add to any existing expressions.
+2588                Otherwise, this resets the expressions.
+2589            join_type (str): If set, alter the parsed join type
+2590            dialect (str): the dialect used to parse the input expressions.
+2591            copy (bool): if `False`, modify this expression instance in-place.
+2592            opts (kwargs): other options to use to parse the input expressions.
+2593
+2594        Returns:
+2595            Select: the modified expression.
+2596        """
+2597        parse_args = {"dialect": dialect, **opts}
+2598
+2599        try:
+2600            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
+2601        except ParseError:
+2602            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
+2603
+2604        join = expression if isinstance(expression, Join) else Join(this=expression)
+2605
+2606        if isinstance(join.this, Select):
+2607            join.this.replace(join.this.subquery())
+2608
+2609        if join_type:
+2610            natural: t.Optional[Token]
+2611            side: t.Optional[Token]
+2612            kind: t.Optional[Token]
+2613
+2614            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
+2615
+2616            if natural:
+2617                join.set("natural", True)
+2618            if side:
+2619                join.set("side", side.text)
+2620            if kind:
+2621                join.set("kind", kind.text)
+2622
+2623        if on:
+2624            on = and_(*ensure_collection(on), dialect=dialect, copy=copy, **opts)
+2625            join.set("on", on)
+2626
+2627        if using:
+2628            join = _apply_list_builder(
+2629                *ensure_collection(using),
+2630                instance=join,
+2631                arg="using",
+2632                append=append,
+2633                copy=copy,
+2634                **opts,
+2635            )
+2636
+2637        if join_alias:
+2638            join.set("this", alias_(join.this, join_alias, table=True))
+2639        return _apply_list_builder(
+2640            join,
+2641            instance=self,
+2642            arg="joins",
+2643            append=append,
+2644            copy=copy,
+2645            **opts,
+2646        )
 2647
-2648        Returns:
-2649            Create: the CREATE TABLE AS expression
-2650        """
-2651        instance = _maybe_copy(self, copy)
-2652        table_expression = maybe_parse(
-2653            table,
-2654            into=Table,
-2655            dialect=dialect,
-2656            **opts,
-2657        )
-2658        properties_expression = None
-2659        if properties:
-2660            properties_expression = Properties.from_dict(properties)
-2661
-2662        return Create(
-2663            this=table_expression,
-2664            kind="table",
-2665            expression=instance,
-2666            properties=properties_expression,
-2667        )
-2668
-2669    def lock(self, update: bool = True, copy: bool = True) -> Select:
-2670        """
-2671        Set the locking read mode for this expression.
-2672
-2673        Examples:
-2674            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
-2675            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
-2676
-2677            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
-2678            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
+2648    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2649        """
+2650        Append to or set the WHERE expressions.
+2651
+2652        Example:
+2653            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
+2654            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
+2655
+2656        Args:
+2657            *expressions (str | Expression): the SQL code strings to parse.
+2658                If an `Expression` instance is passed, it will be used as-is.
+2659                Multiple expressions are combined with an AND operator.
+2660            append (bool): if `True`, AND the new expressions to any existing expression.
+2661                Otherwise, this resets the expression.
+2662            dialect (str): the dialect used to parse the input expressions.
+2663            copy (bool): if `False`, modify this expression instance in-place.
+2664            opts (kwargs): other options to use to parse the input expressions.
+2665
+2666        Returns:
+2667            Select: the modified expression.
+2668        """
+2669        return _apply_conjunction_builder(
+2670            *expressions,
+2671            instance=self,
+2672            arg="where",
+2673            append=append,
+2674            into=Where,
+2675            dialect=dialect,
+2676            copy=copy,
+2677            **opts,
+2678        )
 2679
-2680        Args:
-2681            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
-2682            copy: if `False`, modify this expression instance in-place.
+2680    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2681        """
+2682        Append to or set the HAVING expressions.
 2683
-2684        Returns:
-2685            The modified expression.
-2686        """
+2684        Example:
+2685            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
+2686            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
 2687
-2688        inst = _maybe_copy(self, copy)
-2689        inst.set("lock", Lock(update=update))
-2690
-2691        return inst
-2692
-2693    @property
-2694    def named_selects(self) -> t.List[str]:
-2695        return [e.output_name for e in self.expressions if e.alias_or_name]
-2696
-2697    @property
-2698    def is_star(self) -> bool:
-2699        return any(expression.is_star for expression in self.expressions)
-2700
-2701    @property
-2702    def selects(self) -> t.List[Expression]:
-2703        return self.expressions
-2704
-2705
-2706class Subquery(DerivedTable, Unionable):
-2707    arg_types = {
-2708        "this": True,
-2709        "alias": False,
-2710        "with": False,
-2711        **QUERY_MODIFIERS,
-2712    }
-2713
-2714    def unnest(self):
-2715        """
-2716        Returns the first non subquery.
-2717        """
-2718        expression = self
-2719        while isinstance(expression, Subquery):
-2720            expression = expression.this
-2721        return expression
-2722
-2723    @property
-2724    def is_star(self) -> bool:
-2725        return self.this.is_star
-2726
-2727    @property
-2728    def output_name(self):
-2729        return self.alias
-2730
-2731
-2732class TableSample(Expression):
-2733    arg_types = {
-2734        "this": False,
-2735        "method": False,
-2736        "bucket_numerator": False,
-2737        "bucket_denominator": False,
-2738        "bucket_field": False,
-2739        "percent": False,
-2740        "rows": False,
-2741        "size": False,
-2742        "seed": False,
-2743        "kind": False,
-2744    }
-2745
-2746
-2747class Tag(Expression):
-2748    """Tags are used for generating arbitrary sql like SELECT <span>x</span>."""
-2749
-2750    arg_types = {
-2751        "this": False,
-2752        "prefix": False,
-2753        "postfix": False,
-2754    }
-2755
+2688        Args:
+2689            *expressions (str | Expression): the SQL code strings to parse.
+2690                If an `Expression` instance is passed, it will be used as-is.
+2691                Multiple expressions are combined with an AND operator.
+2692            append (bool): if `True`, AND the new expressions to any existing expression.
+2693                Otherwise, this resets the expression.
+2694            dialect (str): the dialect used to parse the input expressions.
+2695            copy (bool): if `False`, modify this expression instance in-place.
+2696            opts (kwargs): other options to use to parse the input expressions.
+2697
+2698        Returns:
+2699            Select: the modified expression.
+2700        """
+2701        return _apply_conjunction_builder(
+2702            *expressions,
+2703            instance=self,
+2704            arg="having",
+2705            append=append,
+2706            into=Having,
+2707            dialect=dialect,
+2708            copy=copy,
+2709            **opts,
+2710        )
+2711
+2712    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2713        return _apply_list_builder(
+2714            *expressions,
+2715            instance=self,
+2716            arg="windows",
+2717            append=append,
+2718            into=Window,
+2719            dialect=dialect,
+2720            copy=copy,
+2721            **opts,
+2722        )
+2723
+2724    def qualify(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2725        return _apply_conjunction_builder(
+2726            *expressions,
+2727            instance=self,
+2728            arg="qualify",
+2729            append=append,
+2730            into=Qualify,
+2731            dialect=dialect,
+2732            copy=copy,
+2733            **opts,
+2734        )
+2735
+2736    def distinct(self, *ons: ExpOrStr, distinct: bool = True, copy: bool = True) -> Select:
+2737        """
+2738        Set the OFFSET expression.
+2739
+2740        Example:
+2741            >>> Select().from_("tbl").select("x").distinct().sql()
+2742            'SELECT DISTINCT x FROM tbl'
+2743
+2744        Args:
+2745            ons: the expressions to distinct on
+2746            distinct: whether the Select should be distinct
+2747            copy: if `False`, modify this expression instance in-place.
+2748
+2749        Returns:
+2750            Select: the modified expression.
+2751        """
+2752        instance = _maybe_copy(self, copy)
+2753        on = Tuple(expressions=[maybe_parse(on, copy=copy) for on in ons]) if ons else None
+2754        instance.set("distinct", Distinct(on=on) if distinct else None)
+2755        return instance
 2756
-2757class Pivot(Expression):
-2758    arg_types = {
-2759        "this": False,
-2760        "alias": False,
-2761        "expressions": True,
-2762        "field": True,
-2763        "unpivot": True,
-2764        "columns": False,
-2765    }
-2766
-2767
-2768class Window(Expression):
-2769    arg_types = {
-2770        "this": True,
-2771        "partition_by": False,
-2772        "order": False,
-2773        "spec": False,
-2774        "alias": False,
-2775    }
-2776
-2777
-2778class WindowSpec(Expression):
-2779    arg_types = {
-2780        "kind": False,
-2781        "start": False,
-2782        "start_side": False,
-2783        "end": False,
-2784        "end_side": False,
-2785    }
+2757    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
+2758        """
+2759        Convert this expression to a CREATE TABLE AS statement.
+2760
+2761        Example:
+2762            >>> Select().select("*").from_("tbl").ctas("x").sql()
+2763            'CREATE TABLE x AS SELECT * FROM tbl'
+2764
+2765        Args:
+2766            table (str | Expression): the SQL code string to parse as the table name.
+2767                If another `Expression` instance is passed, it will be used as-is.
+2768            properties (dict): an optional mapping of table properties
+2769            dialect (str): the dialect used to parse the input table.
+2770            copy (bool): if `False`, modify this expression instance in-place.
+2771            opts (kwargs): other options to use to parse the input table.
+2772
+2773        Returns:
+2774            Create: the CREATE TABLE AS expression
+2775        """
+2776        instance = _maybe_copy(self, copy)
+2777        table_expression = maybe_parse(
+2778            table,
+2779            into=Table,
+2780            dialect=dialect,
+2781            **opts,
+2782        )
+2783        properties_expression = None
+2784        if properties:
+2785            properties_expression = Properties.from_dict(properties)
 2786
-2787
-2788class Where(Expression):
-2789    pass
-2790
-2791
-2792class Star(Expression):
-2793    arg_types = {"except": False, "replace": False}
-2794
-2795    @property
-2796    def name(self) -> str:
-2797        return "*"
-2798
-2799    @property
-2800    def output_name(self):
-2801        return self.name
-2802
-2803
-2804class Parameter(Expression):
-2805    arg_types = {"this": True, "wrapped": False}
-2806
-2807
-2808class SessionParameter(Expression):
-2809    arg_types = {"this": True, "kind": False}
-2810
-2811
-2812class Placeholder(Expression):
-2813    arg_types = {"this": False}
-2814
+2787        return Create(
+2788            this=table_expression,
+2789            kind="table",
+2790            expression=instance,
+2791            properties=properties_expression,
+2792        )
+2793
+2794    def lock(self, update: bool = True, copy: bool = True) -> Select:
+2795        """
+2796        Set the locking read mode for this expression.
+2797
+2798        Examples:
+2799            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
+2800            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
+2801
+2802            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
+2803            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
+2804
+2805        Args:
+2806            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
+2807            copy: if `False`, modify this expression instance in-place.
+2808
+2809        Returns:
+2810            The modified expression.
+2811        """
+2812
+2813        inst = _maybe_copy(self, copy)
+2814        inst.set("lock", Lock(update=update))
 2815
-2816class Null(Condition):
-2817    arg_types: t.Dict[str, t.Any] = {}
-2818
-2819    @property
-2820    def name(self) -> str:
-2821        return "NULL"
-2822
-2823
-2824class Boolean(Condition):
-2825    pass
-2826
-2827
-2828class DataType(Expression):
-2829    arg_types = {
-2830        "this": True,
-2831        "expressions": False,
-2832        "nested": False,
-2833        "values": False,
-2834        "prefix": False,
-2835    }
-2836
-2837    class Type(AutoName):
-2838        CHAR = auto()
-2839        NCHAR = auto()
-2840        VARCHAR = auto()
-2841        NVARCHAR = auto()
-2842        TEXT = auto()
-2843        MEDIUMTEXT = auto()
-2844        LONGTEXT = auto()
-2845        MEDIUMBLOB = auto()
-2846        LONGBLOB = auto()
-2847        BINARY = auto()
-2848        VARBINARY = auto()
-2849        INT = auto()
-2850        UINT = auto()
-2851        TINYINT = auto()
-2852        UTINYINT = auto()
-2853        SMALLINT = auto()
-2854        USMALLINT = auto()
-2855        BIGINT = auto()
-2856        UBIGINT = auto()
-2857        FLOAT = auto()
-2858        DOUBLE = auto()
-2859        DECIMAL = auto()
-2860        BIGDECIMAL = auto()
-2861        BIT = auto()
-2862        BOOLEAN = auto()
-2863        JSON = auto()
-2864        JSONB = auto()
-2865        INTERVAL = auto()
-2866        TIME = auto()
-2867        TIMESTAMP = auto()
-2868        TIMESTAMPTZ = auto()
-2869        TIMESTAMPLTZ = auto()
-2870        DATE = auto()
-2871        DATETIME = auto()
-2872        ARRAY = auto()
-2873        MAP = auto()
-2874        UUID = auto()
-2875        GEOGRAPHY = auto()
-2876        GEOMETRY = auto()
-2877        STRUCT = auto()
-2878        NULLABLE = auto()
-2879        HLLSKETCH = auto()
-2880        HSTORE = auto()
-2881        SUPER = auto()
-2882        SERIAL = auto()
-2883        SMALLSERIAL = auto()
-2884        BIGSERIAL = auto()
-2885        XML = auto()
-2886        UNIQUEIDENTIFIER = auto()
-2887        MONEY = auto()
-2888        SMALLMONEY = auto()
-2889        ROWVERSION = auto()
-2890        IMAGE = auto()
-2891        VARIANT = auto()
-2892        OBJECT = auto()
-2893        INET = auto()
-2894        NULL = auto()
-2895        UNKNOWN = auto()  # Sentinel value, useful for type annotation
-2896
-2897    TEXT_TYPES = {
-2898        Type.CHAR,
-2899        Type.NCHAR,
-2900        Type.VARCHAR,
-2901        Type.NVARCHAR,
-2902        Type.TEXT,
-2903    }
+2816        return inst
+2817
+2818    @property
+2819    def named_selects(self) -> t.List[str]:
+2820        return [e.output_name for e in self.expressions if e.alias_or_name]
+2821
+2822    @property
+2823    def is_star(self) -> bool:
+2824        return any(expression.is_star for expression in self.expressions)
+2825
+2826    @property
+2827    def selects(self) -> t.List[Expression]:
+2828        return self.expressions
+2829
+2830
+2831class Subquery(DerivedTable, Unionable):
+2832    arg_types = {
+2833        "this": True,
+2834        "alias": False,
+2835        "with": False,
+2836        **QUERY_MODIFIERS,
+2837    }
+2838
+2839    def unnest(self):
+2840        """
+2841        Returns the first non subquery.
+2842        """
+2843        expression = self
+2844        while isinstance(expression, Subquery):
+2845            expression = expression.this
+2846        return expression
+2847
+2848    @property
+2849    def is_star(self) -> bool:
+2850        return self.this.is_star
+2851
+2852    @property
+2853    def output_name(self):
+2854        return self.alias
+2855
+2856
+2857class TableSample(Expression):
+2858    arg_types = {
+2859        "this": False,
+2860        "method": False,
+2861        "bucket_numerator": False,
+2862        "bucket_denominator": False,
+2863        "bucket_field": False,
+2864        "percent": False,
+2865        "rows": False,
+2866        "size": False,
+2867        "seed": False,
+2868        "kind": False,
+2869    }
+2870
+2871
+2872class Tag(Expression):
+2873    """Tags are used for generating arbitrary sql like SELECT <span>x</span>."""
+2874
+2875    arg_types = {
+2876        "this": False,
+2877        "prefix": False,
+2878        "postfix": False,
+2879    }
+2880
+2881
+2882class Pivot(Expression):
+2883    arg_types = {
+2884        "this": False,
+2885        "alias": False,
+2886        "expressions": True,
+2887        "field": True,
+2888        "unpivot": True,
+2889        "columns": False,
+2890    }
+2891
+2892
+2893class Window(Expression):
+2894    arg_types = {
+2895        "this": True,
+2896        "partition_by": False,
+2897        "order": False,
+2898        "spec": False,
+2899        "alias": False,
+2900        "over": False,
+2901        "first": False,
+2902    }
+2903
 2904
-2905    INTEGER_TYPES = {
-2906        Type.INT,
-2907        Type.TINYINT,
-2908        Type.SMALLINT,
-2909        Type.BIGINT,
-2910    }
-2911
-2912    FLOAT_TYPES = {
-2913        Type.FLOAT,
-2914        Type.DOUBLE,
-2915    }
-2916
-2917    NUMERIC_TYPES = {*INTEGER_TYPES, *FLOAT_TYPES}
+2905class WindowSpec(Expression):
+2906    arg_types = {
+2907        "kind": False,
+2908        "start": False,
+2909        "start_side": False,
+2910        "end": False,
+2911        "end_side": False,
+2912    }
+2913
+2914
+2915class Where(Expression):
+2916    pass
+2917
 2918
-2919    TEMPORAL_TYPES = {
-2920        Type.TIMESTAMP,
-2921        Type.TIMESTAMPTZ,
-2922        Type.TIMESTAMPLTZ,
-2923        Type.DATE,
-2924        Type.DATETIME,
-2925    }
-2926
-2927    @classmethod
-2928    def build(
-2929        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
-2930    ) -> DataType:
-2931        from sqlglot import parse_one
-2932
-2933        if isinstance(dtype, str):
-2934            if dtype.upper() in cls.Type.__members__:
-2935                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
-2936            else:
-2937                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
-2938            if data_type_exp is None:
-2939                raise ValueError(f"Unparsable data type value: {dtype}")
-2940        elif isinstance(dtype, DataType.Type):
-2941            data_type_exp = DataType(this=dtype)
-2942        elif isinstance(dtype, DataType):
-2943            return dtype
-2944        else:
-2945            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
-2946        return DataType(**{**data_type_exp.args, **kwargs})
-2947
-2948    def is_type(self, dtype: DataType.Type) -> bool:
-2949        return self.this == dtype
+2919class Star(Expression):
+2920    arg_types = {"except": False, "replace": False}
+2921
+2922    @property
+2923    def name(self) -> str:
+2924        return "*"
+2925
+2926    @property
+2927    def output_name(self):
+2928        return self.name
+2929
+2930
+2931class Parameter(Expression):
+2932    arg_types = {"this": True, "wrapped": False}
+2933
+2934
+2935class SessionParameter(Expression):
+2936    arg_types = {"this": True, "kind": False}
+2937
+2938
+2939class Placeholder(Expression):
+2940    arg_types = {"this": False}
+2941
+2942
+2943class Null(Condition):
+2944    arg_types: t.Dict[str, t.Any] = {}
+2945
+2946    @property
+2947    def name(self) -> str:
+2948        return "NULL"
+2949
 2950
-2951
-2952# https://www.postgresql.org/docs/15/datatype-pseudo.html
-2953class PseudoType(Expression):
-2954    pass
-2955
-2956
-2957class StructKwarg(Expression):
-2958    arg_types = {"this": True, "expression": True}
-2959
-2960
-2961# WHERE x <OP> EXISTS|ALL|ANY|SOME(SELECT ...)
-2962class SubqueryPredicate(Predicate):
-2963    pass
-2964
-2965
-2966class All(SubqueryPredicate):
-2967    pass
-2968
-2969
-2970class Any(SubqueryPredicate):
-2971    pass
-2972
-2973
-2974class Exists(SubqueryPredicate):
-2975    pass
-2976
-2977
-2978# Commands to interact with the databases or engines. For most of the command
-2979# expressions we parse whatever comes after the command's name as a string.
-2980class Command(Expression):
-2981    arg_types = {"this": True, "expression": False}
-2982
-2983
-2984class Transaction(Expression):
-2985    arg_types = {"this": False, "modes": False}
-2986
-2987
-2988class Commit(Expression):
-2989    arg_types = {"chain": False}
-2990
-2991
-2992class Rollback(Expression):
-2993    arg_types = {"savepoint": False}
-2994
-2995
-2996class AlterTable(Expression):
-2997    arg_types = {"this": True, "actions": True, "exists": False}
-2998
-2999
-3000class AddConstraint(Expression):
-3001    arg_types = {"this": False, "expression": False, "enforced": False}
-3002
-3003
-3004class DropPartition(Expression):
-3005    arg_types = {"expressions": True, "exists": False}
-3006
-3007
-3008# Binary expressions like (ADD a b)
-3009class Binary(Expression):
-3010    arg_types = {"this": True, "expression": True}
-3011
-3012    @property
-3013    def left(self):
-3014        return self.this
-3015
-3016    @property
-3017    def right(self):
-3018        return self.expression
-3019
-3020
-3021class Add(Binary):
-3022    pass
+2951class Boolean(Condition):
+2952    pass
+2953
+2954
+2955class DataType(Expression):
+2956    arg_types = {
+2957        "this": True,
+2958        "expressions": False,
+2959        "nested": False,
+2960        "values": False,
+2961        "prefix": False,
+2962    }
+2963
+2964    class Type(AutoName):
+2965        CHAR = auto()
+2966        NCHAR = auto()
+2967        VARCHAR = auto()
+2968        NVARCHAR = auto()
+2969        TEXT = auto()
+2970        MEDIUMTEXT = auto()
+2971        LONGTEXT = auto()
+2972        MEDIUMBLOB = auto()
+2973        LONGBLOB = auto()
+2974        BINARY = auto()
+2975        VARBINARY = auto()
+2976        INT = auto()
+2977        UINT = auto()
+2978        TINYINT = auto()
+2979        UTINYINT = auto()
+2980        SMALLINT = auto()
+2981        USMALLINT = auto()
+2982        BIGINT = auto()
+2983        UBIGINT = auto()
+2984        FLOAT = auto()
+2985        DOUBLE = auto()
+2986        DECIMAL = auto()
+2987        BIGDECIMAL = auto()
+2988        BIT = auto()
+2989        BOOLEAN = auto()
+2990        JSON = auto()
+2991        JSONB = auto()
+2992        INTERVAL = auto()
+2993        TIME = auto()
+2994        TIMESTAMP = auto()
+2995        TIMESTAMPTZ = auto()
+2996        TIMESTAMPLTZ = auto()
+2997        DATE = auto()
+2998        DATETIME = auto()
+2999        ARRAY = auto()
+3000        MAP = auto()
+3001        UUID = auto()
+3002        GEOGRAPHY = auto()
+3003        GEOMETRY = auto()
+3004        STRUCT = auto()
+3005        NULLABLE = auto()
+3006        HLLSKETCH = auto()
+3007        HSTORE = auto()
+3008        SUPER = auto()
+3009        SERIAL = auto()
+3010        SMALLSERIAL = auto()
+3011        BIGSERIAL = auto()
+3012        XML = auto()
+3013        UNIQUEIDENTIFIER = auto()
+3014        MONEY = auto()
+3015        SMALLMONEY = auto()
+3016        ROWVERSION = auto()
+3017        IMAGE = auto()
+3018        VARIANT = auto()
+3019        OBJECT = auto()
+3020        INET = auto()
+3021        NULL = auto()
+3022        UNKNOWN = auto()  # Sentinel value, useful for type annotation
 3023
-3024
-3025class Connector(Binary, Condition):
-3026    pass
-3027
-3028
-3029class And(Connector):
-3030    pass
+3024    TEXT_TYPES = {
+3025        Type.CHAR,
+3026        Type.NCHAR,
+3027        Type.VARCHAR,
+3028        Type.NVARCHAR,
+3029        Type.TEXT,
+3030    }
 3031
-3032
-3033class Or(Connector):
-3034    pass
-3035
-3036
-3037class BitwiseAnd(Binary):
-3038    pass
-3039
-3040
-3041class BitwiseLeftShift(Binary):
-3042    pass
+3032    INTEGER_TYPES = {
+3033        Type.INT,
+3034        Type.TINYINT,
+3035        Type.SMALLINT,
+3036        Type.BIGINT,
+3037    }
+3038
+3039    FLOAT_TYPES = {
+3040        Type.FLOAT,
+3041        Type.DOUBLE,
+3042    }
 3043
-3044
-3045class BitwiseOr(Binary):
-3046    pass
-3047
-3048
-3049class BitwiseRightShift(Binary):
-3050    pass
-3051
-3052
-3053class BitwiseXor(Binary):
-3054    pass
-3055
-3056
-3057class Div(Binary):
-3058    pass
+3044    NUMERIC_TYPES = {*INTEGER_TYPES, *FLOAT_TYPES}
+3045
+3046    TEMPORAL_TYPES = {
+3047        Type.TIMESTAMP,
+3048        Type.TIMESTAMPTZ,
+3049        Type.TIMESTAMPLTZ,
+3050        Type.DATE,
+3051        Type.DATETIME,
+3052    }
+3053
+3054    @classmethod
+3055    def build(
+3056        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
+3057    ) -> DataType:
+3058        from sqlglot import parse_one
 3059
-3060
-3061class Overlaps(Binary):
-3062    pass
-3063
-3064
-3065class Dot(Binary):
-3066    @property
-3067    def name(self) -> str:
-3068        return self.expression.name
-3069
-3070    @classmethod
-3071    def build(self, expressions: t.Sequence[Expression]) -> Dot:
-3072        """Build a Dot object with a sequence of expressions."""
-3073        if len(expressions) < 2:
-3074            raise ValueError(f"Dot requires >= 2 expressions.")
-3075
-3076        a, b, *expressions = expressions
-3077        dot = Dot(this=a, expression=b)
+3060        if isinstance(dtype, str):
+3061            if dtype.upper() in cls.Type.__members__:
+3062                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
+3063            else:
+3064                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
+3065            if data_type_exp is None:
+3066                raise ValueError(f"Unparsable data type value: {dtype}")
+3067        elif isinstance(dtype, DataType.Type):
+3068            data_type_exp = DataType(this=dtype)
+3069        elif isinstance(dtype, DataType):
+3070            return dtype
+3071        else:
+3072            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
+3073        return DataType(**{**data_type_exp.args, **kwargs})
+3074
+3075    def is_type(self, dtype: DataType.Type) -> bool:
+3076        return self.this == dtype
+3077
 3078
-3079        for expression in expressions:
-3080            dot = Dot(this=dot, expression=expression)
-3081
-3082        return dot
+3079# https://www.postgresql.org/docs/15/datatype-pseudo.html
+3080class PseudoType(Expression):
+3081    pass
+3082
 3083
-3084
-3085class DPipe(Binary):
-3086    pass
+3084class StructKwarg(Expression):
+3085    arg_types = {"this": True, "expression": True}
+3086
 3087
-3088
-3089class EQ(Binary, Predicate):
+3088# WHERE x <OP> EXISTS|ALL|ANY|SOME(SELECT ...)
+3089class SubqueryPredicate(Predicate):
 3090    pass
 3091
 3092
-3093class NullSafeEQ(Binary, Predicate):
+3093class All(SubqueryPredicate):
 3094    pass
 3095
 3096
-3097class NullSafeNEQ(Binary, Predicate):
+3097class Any(SubqueryPredicate):
 3098    pass
 3099
 3100
-3101class Distance(Binary):
+3101class Exists(SubqueryPredicate):
 3102    pass
 3103
 3104
-3105class Escape(Binary):
-3106    pass
-3107
-3108
-3109class Glob(Binary, Predicate):
-3110    pass
-3111
-3112
-3113class GT(Binary, Predicate):
-3114    pass
-3115
-3116
-3117class GTE(Binary, Predicate):
-3118    pass
-3119
-3120
-3121class ILike(Binary, Predicate):
-3122    pass
-3123
-3124
-3125class ILikeAny(Binary, Predicate):
-3126    pass
-3127
-3128
-3129class IntDiv(Binary):
-3130    pass
-3131
-3132
-3133class Is(Binary, Predicate):
-3134    pass
-3135
-3136
-3137class Kwarg(Binary):
-3138    """Kwarg in special functions like func(kwarg => y)."""
-3139
-3140
-3141class Like(Binary, Predicate):
-3142    pass
-3143
-3144
-3145class LikeAny(Binary, Predicate):
-3146    pass
+3105# Commands to interact with the databases or engines. For most of the command
+3106# expressions we parse whatever comes after the command's name as a string.
+3107class Command(Expression):
+3108    arg_types = {"this": True, "expression": False}
+3109
+3110
+3111class Transaction(Expression):
+3112    arg_types = {"this": False, "modes": False}
+3113
+3114
+3115class Commit(Expression):
+3116    arg_types = {"chain": False}
+3117
+3118
+3119class Rollback(Expression):
+3120    arg_types = {"savepoint": False}
+3121
+3122
+3123class AlterTable(Expression):
+3124    arg_types = {"this": True, "actions": True, "exists": False}
+3125
+3126
+3127class AddConstraint(Expression):
+3128    arg_types = {"this": False, "expression": False, "enforced": False}
+3129
+3130
+3131class DropPartition(Expression):
+3132    arg_types = {"expressions": True, "exists": False}
+3133
+3134
+3135# Binary expressions like (ADD a b)
+3136class Binary(Condition):
+3137    arg_types = {"this": True, "expression": True}
+3138
+3139    @property
+3140    def left(self):
+3141        return self.this
+3142
+3143    @property
+3144    def right(self):
+3145        return self.expression
+3146
 3147
-3148
-3149class LT(Binary, Predicate):
-3150    pass
+3148class Add(Binary):
+3149    pass
+3150
 3151
-3152
-3153class LTE(Binary, Predicate):
-3154    pass
+3152class Connector(Binary):
+3153    pass
+3154
 3155
-3156
-3157class Mod(Binary):
-3158    pass
+3156class And(Connector):
+3157    pass
+3158
 3159
-3160
-3161class Mul(Binary):
-3162    pass
+3160class Or(Connector):
+3161    pass
+3162
 3163
-3164
-3165class NEQ(Binary, Predicate):
-3166    pass
+3164class BitwiseAnd(Binary):
+3165    pass
+3166
 3167
-3168
-3169class SimilarTo(Binary, Predicate):
-3170    pass
+3168class BitwiseLeftShift(Binary):
+3169    pass
+3170
 3171
-3172
-3173class Slice(Binary):
-3174    arg_types = {"this": False, "expression": False}
+3172class BitwiseOr(Binary):
+3173    pass
+3174
 3175
-3176
-3177class Sub(Binary):
-3178    pass
+3176class BitwiseRightShift(Binary):
+3177    pass
+3178
 3179
-3180
-3181class ArrayOverlaps(Binary):
-3182    pass
+3180class BitwiseXor(Binary):
+3181    pass
+3182
 3183
-3184
-3185# Unary Expressions
-3186# (NOT a)
-3187class Unary(Expression):
-3188    pass
-3189
+3184class Div(Binary):
+3185    pass
+3186
+3187
+3188class Overlaps(Binary):
+3189    pass
 3190
-3191class BitwiseNot(Unary):
-3192    pass
-3193
-3194
-3195class Not(Unary, Condition):
-3196    pass
-3197
-3198
-3199class Paren(Unary, Condition):
-3200    arg_types = {"this": True, "with": False}
-3201
+3191
+3192class Dot(Binary):
+3193    @property
+3194    def name(self) -> str:
+3195        return self.expression.name
+3196
+3197    @classmethod
+3198    def build(self, expressions: t.Sequence[Expression]) -> Dot:
+3199        """Build a Dot object with a sequence of expressions."""
+3200        if len(expressions) < 2:
+3201            raise ValueError(f"Dot requires >= 2 expressions.")
 3202
-3203class Neg(Unary):
-3204    pass
+3203        a, b, *expressions = expressions
+3204        dot = Dot(this=a, expression=b)
 3205
-3206
-3207class Alias(Expression):
-3208    arg_types = {"this": True, "alias": False}
-3209
-3210    @property
-3211    def output_name(self):
-3212        return self.alias
-3213
+3206        for expression in expressions:
+3207            dot = Dot(this=dot, expression=expression)
+3208
+3209        return dot
+3210
+3211
+3212class DPipe(Binary):
+3213    pass
 3214
-3215class Aliases(Expression):
-3216    arg_types = {"this": True, "expressions": True}
-3217
-3218    @property
-3219    def aliases(self):
-3220        return self.expressions
-3221
+3215
+3216class EQ(Binary, Predicate):
+3217    pass
+3218
+3219
+3220class NullSafeEQ(Binary, Predicate):
+3221    pass
 3222
-3223class AtTimeZone(Expression):
-3224    arg_types = {"this": True, "zone": True}
-3225
+3223
+3224class NullSafeNEQ(Binary, Predicate):
+3225    pass
 3226
-3227class Between(Predicate):
-3228    arg_types = {"this": True, "low": True, "high": True}
-3229
+3227
+3228class Distance(Binary):
+3229    pass
 3230
-3231class Bracket(Condition):
-3232    arg_types = {"this": True, "expressions": True}
-3233
+3231
+3232class Escape(Binary):
+3233    pass
 3234
-3235class Distinct(Expression):
-3236    arg_types = {"expressions": False, "on": False}
-3237
+3235
+3236class Glob(Binary, Predicate):
+3237    pass
 3238
-3239class In(Predicate):
-3240    arg_types = {
-3241        "this": True,
-3242        "expressions": False,
-3243        "query": False,
-3244        "unnest": False,
-3245        "field": False,
-3246        "is_global": False,
-3247    }
-3248
-3249
-3250class TimeUnit(Expression):
-3251    """Automatically converts unit arg into a var."""
-3252
-3253    arg_types = {"unit": False}
+3239
+3240class GT(Binary, Predicate):
+3241    pass
+3242
+3243
+3244class GTE(Binary, Predicate):
+3245    pass
+3246
+3247
+3248class ILike(Binary, Predicate):
+3249    pass
+3250
+3251
+3252class ILikeAny(Binary, Predicate):
+3253    pass
 3254
-3255    def __init__(self, **args):
-3256        unit = args.get("unit")
-3257        if isinstance(unit, (Column, Literal)):
-3258            args["unit"] = Var(this=unit.name)
-3259        elif isinstance(unit, Week):
-3260            unit.set("this", Var(this=unit.this.name))
-3261        super().__init__(**args)
+3255
+3256class IntDiv(Binary):
+3257    pass
+3258
+3259
+3260class Is(Binary, Predicate):
+3261    pass
 3262
 3263
-3264class Interval(TimeUnit):
-3265    arg_types = {"this": False, "unit": False}
+3264class Kwarg(Binary):
+3265    """Kwarg in special functions like func(kwarg => y)."""
 3266
 3267
-3268class IgnoreNulls(Expression):
+3268class Like(Binary, Predicate):
 3269    pass
 3270
 3271
-3272class RespectNulls(Expression):
+3272class LikeAny(Binary, Predicate):
 3273    pass
 3274
 3275
-3276# Functions
-3277class Func(Condition):
-3278    """
-3279    The base class for all function expressions.
-3280
-3281    Attributes:
-3282        is_var_len_args (bool): if set to True the last argument defined in arg_types will be
-3283            treated as a variable length argument and the argument's value will be stored as a list.
-3284        _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items)
-3285            for this function expression. These values are used to map this node to a name during parsing
-3286            as well as to provide the function's name during SQL string generation. By default the SQL
-3287            name is set to the expression's class name transformed to snake case.
-3288    """
-3289
-3290    is_var_len_args = False
+3276class LT(Binary, Predicate):
+3277    pass
+3278
+3279
+3280class LTE(Binary, Predicate):
+3281    pass
+3282
+3283
+3284class Mod(Binary):
+3285    pass
+3286
+3287
+3288class Mul(Binary):
+3289    pass
+3290
 3291
-3292    @classmethod
-3293    def from_arg_list(cls, args):
-3294        if cls.is_var_len_args:
-3295            all_arg_keys = list(cls.arg_types)
-3296            # If this function supports variable length argument treat the last argument as such.
-3297            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
-3298            num_non_var = len(non_var_len_arg_keys)
+3292class NEQ(Binary, Predicate):
+3293    pass
+3294
+3295
+3296class SimilarTo(Binary, Predicate):
+3297    pass
+3298
 3299
-3300            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
-3301            args_dict[all_arg_keys[-1]] = args[num_non_var:]
-3302        else:
-3303            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
-3304
-3305        return cls(**args_dict)
+3300class Slice(Binary):
+3301    arg_types = {"this": False, "expression": False}
+3302
+3303
+3304class Sub(Binary):
+3305    pass
 3306
-3307    @classmethod
-3308    def sql_names(cls):
-3309        if cls is Func:
-3310            raise NotImplementedError(
-3311                "SQL name is only supported by concrete function implementations"
-3312            )
-3313        if "_sql_names" not in cls.__dict__:
-3314            cls._sql_names = [camel_to_snake_case(cls.__name__)]
-3315        return cls._sql_names
+3307
+3308class ArrayOverlaps(Binary):
+3309    pass
+3310
+3311
+3312# Unary Expressions
+3313# (NOT a)
+3314class Unary(Condition):
+3315    pass
 3316
-3317    @classmethod
-3318    def sql_name(cls):
-3319        return cls.sql_names()[0]
+3317
+3318class BitwiseNot(Unary):
+3319    pass
 3320
-3321    @classmethod
-3322    def default_parser_mappings(cls):
-3323        return {name: cls.from_arg_list for name in cls.sql_names()}
+3321
+3322class Not(Unary):
+3323    pass
 3324
 3325
-3326class AggFunc(Func):
-3327    pass
+3326class Paren(Unary):
+3327    arg_types = {"this": True, "with": False}
 3328
 3329
-3330class Abs(Func):
+3330class Neg(Unary):
 3331    pass
 3332
 3333
-3334class Anonymous(Func):
-3335    arg_types = {"this": True, "expressions": False}
-3336    is_var_len_args = True
-3337
-3338
-3339# https://docs.snowflake.com/en/sql-reference/functions/hll
-3340# https://docs.aws.amazon.com/redshift/latest/dg/r_HLL_function.html
-3341class Hll(AggFunc):
-3342    arg_types = {"this": True, "expressions": False}
-3343    is_var_len_args = True
+3334class Alias(Expression):
+3335    arg_types = {"this": True, "alias": False}
+3336
+3337    @property
+3338    def output_name(self):
+3339        return self.alias
+3340
+3341
+3342class Aliases(Expression):
+3343    arg_types = {"this": True, "expressions": True}
 3344
-3345
-3346class ApproxDistinct(AggFunc):
-3347    arg_types = {"this": True, "accuracy": False}
+3345    @property
+3346    def aliases(self):
+3347        return self.expressions
 3348
 3349
-3350class Array(Func):
-3351    arg_types = {"expressions": False}
-3352    is_var_len_args = True
+3350class AtTimeZone(Expression):
+3351    arg_types = {"this": True, "zone": True}
+3352
 3353
-3354
-3355# https://docs.snowflake.com/en/sql-reference/functions/to_char
-3356class ToChar(Func):
-3357    arg_types = {"this": True, "format": False}
-3358
-3359
-3360class GenerateSeries(Func):
-3361    arg_types = {"start": True, "end": True, "step": False}
-3362
-3363
-3364class ArrayAgg(AggFunc):
-3365    pass
-3366
-3367
-3368class ArrayAll(Func):
-3369    arg_types = {"this": True, "expression": True}
-3370
-3371
-3372class ArrayAny(Func):
-3373    arg_types = {"this": True, "expression": True}
-3374
+3354class Between(Predicate):
+3355    arg_types = {"this": True, "low": True, "high": True}
+3356
+3357
+3358class Bracket(Condition):
+3359    arg_types = {"this": True, "expressions": True}
+3360
+3361
+3362class Distinct(Expression):
+3363    arg_types = {"expressions": False, "on": False}
+3364
+3365
+3366class In(Predicate):
+3367    arg_types = {
+3368        "this": True,
+3369        "expressions": False,
+3370        "query": False,
+3371        "unnest": False,
+3372        "field": False,
+3373        "is_global": False,
+3374    }
 3375
-3376class ArrayConcat(Func):
-3377    arg_types = {"this": True, "expressions": False}
-3378    is_var_len_args = True
+3376
+3377class TimeUnit(Expression):
+3378    """Automatically converts unit arg into a var."""
 3379
-3380
-3381class ArrayContains(Binary, Func):
-3382    pass
-3383
-3384
-3385class ArrayContained(Binary):
-3386    pass
-3387
-3388
-3389class ArrayFilter(Func):
-3390    arg_types = {"this": True, "expression": True}
-3391    _sql_names = ["FILTER", "ARRAY_FILTER"]
-3392
+3380    arg_types = {"unit": False}
+3381
+3382    def __init__(self, **args):
+3383        unit = args.get("unit")
+3384        if isinstance(unit, (Column, Literal)):
+3385            args["unit"] = Var(this=unit.name)
+3386        elif isinstance(unit, Week):
+3387            unit.set("this", Var(this=unit.this.name))
+3388        super().__init__(**args)
+3389
+3390
+3391class Interval(TimeUnit):
+3392    arg_types = {"this": False, "unit": False}
 3393
-3394class ArrayJoin(Func):
-3395    arg_types = {"this": True, "expression": True, "null": False}
-3396
+3394
+3395class IgnoreNulls(Expression):
+3396    pass
 3397
-3398class ArraySize(Func):
-3399    arg_types = {"this": True, "expression": False}
-3400
+3398
+3399class RespectNulls(Expression):
+3400    pass
 3401
-3402class ArraySort(Func):
-3403    arg_types = {"this": True, "expression": False}
-3404
-3405
-3406class ArraySum(Func):
-3407    pass
-3408
-3409
-3410class ArrayUnionAgg(AggFunc):
-3411    pass
-3412
-3413
-3414class Avg(AggFunc):
-3415    pass
+3402
+3403# Functions
+3404class Func(Condition):
+3405    """
+3406    The base class for all function expressions.
+3407
+3408    Attributes:
+3409        is_var_len_args (bool): if set to True the last argument defined in arg_types will be
+3410            treated as a variable length argument and the argument's value will be stored as a list.
+3411        _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items)
+3412            for this function expression. These values are used to map this node to a name during parsing
+3413            as well as to provide the function's name during SQL string generation. By default the SQL
+3414            name is set to the expression's class name transformed to snake case.
+3415    """
 3416
-3417
-3418class AnyValue(AggFunc):
-3419    pass
-3420
-3421
-3422class Case(Func):
-3423    arg_types = {"this": False, "ifs": True, "default": False}
-3424
-3425
-3426class Cast(Func):
-3427    arg_types = {"this": True, "to": True}
-3428
-3429    @property
-3430    def name(self) -> str:
-3431        return self.this.name
-3432
-3433    @property
-3434    def to(self):
-3435        return self.args["to"]
-3436
-3437    @property
-3438    def output_name(self):
-3439        return self.name
-3440
-3441    def is_type(self, dtype: DataType.Type) -> bool:
-3442        return self.to.is_type(dtype)
+3417    is_var_len_args = False
+3418
+3419    @classmethod
+3420    def from_arg_list(cls, args):
+3421        if cls.is_var_len_args:
+3422            all_arg_keys = list(cls.arg_types)
+3423            # If this function supports variable length argument treat the last argument as such.
+3424            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
+3425            num_non_var = len(non_var_len_arg_keys)
+3426
+3427            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
+3428            args_dict[all_arg_keys[-1]] = args[num_non_var:]
+3429        else:
+3430            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
+3431
+3432        return cls(**args_dict)
+3433
+3434    @classmethod
+3435    def sql_names(cls):
+3436        if cls is Func:
+3437            raise NotImplementedError(
+3438                "SQL name is only supported by concrete function implementations"
+3439            )
+3440        if "_sql_names" not in cls.__dict__:
+3441            cls._sql_names = [camel_to_snake_case(cls.__name__)]
+3442        return cls._sql_names
 3443
-3444
-3445class Collate(Binary):
-3446    pass
+3444    @classmethod
+3445    def sql_name(cls):
+3446        return cls.sql_names()[0]
 3447
-3448
-3449class TryCast(Cast):
-3450    pass
+3448    @classmethod
+3449    def default_parser_mappings(cls):
+3450        return {name: cls.from_arg_list for name in cls.sql_names()}
 3451
 3452
-3453class Ceil(Func):
-3454    arg_types = {"this": True, "decimals": False}
-3455    _sql_names = ["CEIL", "CEILING"]
+3453class AggFunc(Func):
+3454    pass
+3455
 3456
-3457
-3458class Coalesce(Func):
-3459    arg_types = {"this": True, "expressions": False}
-3460    is_var_len_args = True
-3461
-3462
-3463class Concat(Func):
-3464    arg_types = {"expressions": True}
-3465    is_var_len_args = True
-3466
-3467
-3468class ConcatWs(Concat):
-3469    _sql_names = ["CONCAT_WS"]
-3470
+3457class Abs(Func):
+3458    pass
+3459
+3460
+3461class Anonymous(Func):
+3462    arg_types = {"this": True, "expressions": False}
+3463    is_var_len_args = True
+3464
+3465
+3466# https://docs.snowflake.com/en/sql-reference/functions/hll
+3467# https://docs.aws.amazon.com/redshift/latest/dg/r_HLL_function.html
+3468class Hll(AggFunc):
+3469    arg_types = {"this": True, "expressions": False}
+3470    is_var_len_args = True
 3471
-3472class Count(AggFunc):
-3473    arg_types = {"this": False}
-3474
+3472
+3473class ApproxDistinct(AggFunc):
+3474    arg_types = {"this": True, "accuracy": False}
 3475
-3476class CountIf(AggFunc):
-3477    pass
-3478
-3479
-3480class CurrentDate(Func):
-3481    arg_types = {"this": False}
-3482
-3483
-3484class CurrentDatetime(Func):
-3485    arg_types = {"this": False}
+3476
+3477class Array(Func):
+3478    arg_types = {"expressions": False}
+3479    is_var_len_args = True
+3480
+3481
+3482# https://docs.snowflake.com/en/sql-reference/functions/to_char
+3483class ToChar(Func):
+3484    arg_types = {"this": True, "format": False}
+3485
 3486
-3487
-3488class CurrentTime(Func):
-3489    arg_types = {"this": False}
+3487class GenerateSeries(Func):
+3488    arg_types = {"start": True, "end": True, "step": False}
+3489
 3490
-3491
-3492class CurrentTimestamp(Func):
-3493    arg_types = {"this": False}
+3491class ArrayAgg(AggFunc):
+3492    pass
+3493
 3494
-3495
-3496class CurrentUser(Func):
-3497    arg_types = {"this": False}
+3495class ArrayAll(Func):
+3496    arg_types = {"this": True, "expression": True}
+3497
 3498
-3499
-3500class DateAdd(Func, TimeUnit):
-3501    arg_types = {"this": True, "expression": True, "unit": False}
+3499class ArrayAny(Func):
+3500    arg_types = {"this": True, "expression": True}
+3501
 3502
-3503
-3504class DateSub(Func, TimeUnit):
-3505    arg_types = {"this": True, "expression": True, "unit": False}
+3503class ArrayConcat(Func):
+3504    arg_types = {"this": True, "expressions": False}
+3505    is_var_len_args = True
 3506
 3507
-3508class DateDiff(Func, TimeUnit):
-3509    _sql_names = ["DATEDIFF", "DATE_DIFF"]
-3510    arg_types = {"this": True, "expression": True, "unit": False}
+3508class ArrayContains(Binary, Func):
+3509    pass
+3510
 3511
-3512
-3513class DateTrunc(Func):
-3514    arg_types = {"unit": True, "this": True, "zone": False}
+3512class ArrayContained(Binary):
+3513    pass
+3514
 3515
-3516
-3517class DatetimeAdd(Func, TimeUnit):
-3518    arg_types = {"this": True, "expression": True, "unit": False}
+3516class ArrayFilter(Func):
+3517    arg_types = {"this": True, "expression": True}
+3518    _sql_names = ["FILTER", "ARRAY_FILTER"]
 3519
 3520
-3521class DatetimeSub(Func, TimeUnit):
-3522    arg_types = {"this": True, "expression": True, "unit": False}
+3521class ArrayJoin(Func):
+3522    arg_types = {"this": True, "expression": True, "null": False}
 3523
 3524
-3525class DatetimeDiff(Func, TimeUnit):
-3526    arg_types = {"this": True, "expression": True, "unit": False}
+3525class ArraySize(Func):
+3526    arg_types = {"this": True, "expression": False}
 3527
 3528
-3529class DatetimeTrunc(Func, TimeUnit):
-3530    arg_types = {"this": True, "unit": True, "zone": False}
+3529class ArraySort(Func):
+3530    arg_types = {"this": True, "expression": False}
 3531
 3532
-3533class DayOfWeek(Func):
-3534    _sql_names = ["DAY_OF_WEEK", "DAYOFWEEK"]
+3533class ArraySum(Func):
+3534    pass
 3535
 3536
-3537class DayOfMonth(Func):
-3538    _sql_names = ["DAY_OF_MONTH", "DAYOFMONTH"]
+3537class ArrayUnionAgg(AggFunc):
+3538    pass
 3539
 3540
-3541class DayOfYear(Func):
-3542    _sql_names = ["DAY_OF_YEAR", "DAYOFYEAR"]
+3541class Avg(AggFunc):
+3542    pass
 3543
 3544
-3545class WeekOfYear(Func):
-3546    _sql_names = ["WEEK_OF_YEAR", "WEEKOFYEAR"]
+3545class AnyValue(AggFunc):
+3546    pass
 3547
 3548
-3549class LastDateOfMonth(Func):
-3550    pass
+3549class Case(Func):
+3550    arg_types = {"this": False, "ifs": True, "default": False}
 3551
-3552
-3553class Extract(Func):
-3554    arg_types = {"this": True, "expression": True}
-3555
-3556
-3557class TimestampAdd(Func, TimeUnit):
-3558    arg_types = {"this": True, "expression": True, "unit": False}
-3559
-3560
-3561class TimestampSub(Func, TimeUnit):
-3562    arg_types = {"this": True, "expression": True, "unit": False}
-3563
-3564
-3565class TimestampDiff(Func, TimeUnit):
-3566    arg_types = {"this": True, "expression": True, "unit": False}
+3552    def when(self, condition: ExpOrStr, then: ExpOrStr, copy: bool = True, **opts) -> Case:
+3553        instance = _maybe_copy(self, copy)
+3554        instance.append(
+3555            "ifs",
+3556            If(
+3557                this=maybe_parse(condition, copy=copy, **opts),
+3558                true=maybe_parse(then, copy=copy, **opts),
+3559            ),
+3560        )
+3561        return instance
+3562
+3563    def else_(self, condition: ExpOrStr, copy: bool = True, **opts) -> Case:
+3564        instance = _maybe_copy(self, copy)
+3565        instance.set("default", maybe_parse(condition, copy=copy, **opts))
+3566        return instance
 3567
 3568
-3569class TimestampTrunc(Func, TimeUnit):
-3570    arg_types = {"this": True, "unit": True, "zone": False}
+3569class Cast(Func):
+3570    arg_types = {"this": True, "to": True}
 3571
-3572
-3573class TimeAdd(Func, TimeUnit):
-3574    arg_types = {"this": True, "expression": True, "unit": False}
+3572    @property
+3573    def name(self) -> str:
+3574        return self.this.name
 3575
-3576
-3577class TimeSub(Func, TimeUnit):
-3578    arg_types = {"this": True, "expression": True, "unit": False}
+3576    @property
+3577    def to(self):
+3578        return self.args["to"]
 3579
-3580
-3581class TimeDiff(Func, TimeUnit):
-3582    arg_types = {"this": True, "expression": True, "unit": False}
+3580    @property
+3581    def output_name(self):
+3582        return self.name
 3583
-3584
-3585class TimeTrunc(Func, TimeUnit):
-3586    arg_types = {"this": True, "unit": True, "zone": False}
+3584    def is_type(self, dtype: DataType.Type) -> bool:
+3585        return self.to.is_type(dtype)
+3586
 3587
-3588
-3589class DateFromParts(Func):
-3590    _sql_names = ["DATEFROMPARTS"]
-3591    arg_types = {"year": True, "month": True, "day": True}
-3592
-3593
-3594class DateStrToDate(Func):
-3595    pass
-3596
-3597
-3598class DateToDateStr(Func):
-3599    pass
+3588class Collate(Binary):
+3589    pass
+3590
+3591
+3592class TryCast(Cast):
+3593    pass
+3594
+3595
+3596class Ceil(Func):
+3597    arg_types = {"this": True, "decimals": False}
+3598    _sql_names = ["CEIL", "CEILING"]
+3599
 3600
-3601
-3602class DateToDi(Func):
-3603    pass
+3601class Coalesce(Func):
+3602    arg_types = {"this": True, "expressions": False}
+3603    is_var_len_args = True
 3604
 3605
-3606class Day(Func):
-3607    pass
-3608
+3606class Concat(Func):
+3607    arg_types = {"expressions": True}
+3608    is_var_len_args = True
 3609
-3610class Decode(Func):
-3611    arg_types = {"this": True, "charset": True, "replace": False}
-3612
+3610
+3611class ConcatWs(Concat):
+3612    _sql_names = ["CONCAT_WS"]
 3613
-3614class DiToDate(Func):
-3615    pass
-3616
+3614
+3615class Count(AggFunc):
+3616    arg_types = {"this": False}
 3617
-3618class Encode(Func):
-3619    arg_types = {"this": True, "charset": True}
-3620
+3618
+3619class CountIf(AggFunc):
+3620    pass
 3621
-3622class Exp(Func):
-3623    pass
-3624
+3622
+3623class CurrentDate(Func):
+3624    arg_types = {"this": False}
 3625
-3626class Explode(Func):
-3627    pass
-3628
+3626
+3627class CurrentDatetime(Func):
+3628    arg_types = {"this": False}
 3629
-3630class ExponentialTimeDecayedAvg(AggFunc):
-3631    arg_types = {"this": True, "time": False, "decay": False}
-3632
+3630
+3631class CurrentTime(Func):
+3632    arg_types = {"this": False}
 3633
-3634class Floor(Func):
-3635    arg_types = {"this": True, "decimals": False}
-3636
+3634
+3635class CurrentTimestamp(Func):
+3636    arg_types = {"this": False}
 3637
-3638class Greatest(Func):
-3639    arg_types = {"this": True, "expressions": False}
-3640    is_var_len_args = True
+3638
+3639class CurrentUser(Func):
+3640    arg_types = {"this": False}
 3641
 3642
-3643class GroupConcat(Func):
-3644    arg_types = {"this": True, "separator": False}
+3643class DateAdd(Func, TimeUnit):
+3644    arg_types = {"this": True, "expression": True, "unit": False}
 3645
 3646
-3647class GroupUniqArray(AggFunc):
-3648    arg_types = {"this": True, "size": False}
+3647class DateSub(Func, TimeUnit):
+3648    arg_types = {"this": True, "expression": True, "unit": False}
 3649
 3650
-3651class Hex(Func):
-3652    pass
-3653
+3651class DateDiff(Func, TimeUnit):
+3652    _sql_names = ["DATEDIFF", "DATE_DIFF"]
+3653    arg_types = {"this": True, "expression": True, "unit": False}
 3654
-3655class Histogram(AggFunc):
-3656    arg_types = {"this": True, "bins": False}
-3657
+3655
+3656class DateTrunc(Func):
+3657    arg_types = {"unit": True, "this": True, "zone": False}
 3658
-3659class If(Func):
-3660    arg_types = {"this": True, "true": True, "false": False}
-3661
+3659
+3660class DatetimeAdd(Func, TimeUnit):
+3661    arg_types = {"this": True, "expression": True, "unit": False}
 3662
-3663class IfNull(Func):
-3664    arg_types = {"this": True, "expression": False}
-3665    _sql_names = ["IFNULL", "NVL"]
+3663
+3664class DatetimeSub(Func, TimeUnit):
+3665    arg_types = {"this": True, "expression": True, "unit": False}
 3666
 3667
-3668class Initcap(Func):
-3669    pass
+3668class DatetimeDiff(Func, TimeUnit):
+3669    arg_types = {"this": True, "expression": True, "unit": False}
 3670
 3671
-3672class JSONKeyValue(Expression):
-3673    arg_types = {"this": True, "expression": True}
+3672class DatetimeTrunc(Func, TimeUnit):
+3673    arg_types = {"this": True, "unit": True, "zone": False}
 3674
 3675
-3676class JSONObject(Func):
-3677    arg_types = {
-3678        "expressions": False,
-3679        "null_handling": False,
-3680        "unique_keys": False,
-3681        "return_type": False,
-3682        "format_json": False,
-3683        "encoding": False,
-3684    }
-3685
+3676class DayOfWeek(Func):
+3677    _sql_names = ["DAY_OF_WEEK", "DAYOFWEEK"]
+3678
+3679
+3680class DayOfMonth(Func):
+3681    _sql_names = ["DAY_OF_MONTH", "DAYOFMONTH"]
+3682
+3683
+3684class DayOfYear(Func):
+3685    _sql_names = ["DAY_OF_YEAR", "DAYOFYEAR"]
 3686
-3687class JSONBContains(Binary):
-3688    _sql_names = ["JSONB_CONTAINS"]
-3689
+3687
+3688class WeekOfYear(Func):
+3689    _sql_names = ["WEEK_OF_YEAR", "WEEKOFYEAR"]
 3690
-3691class JSONExtract(Binary, Func):
-3692    _sql_names = ["JSON_EXTRACT"]
-3693
+3691
+3692class LastDateOfMonth(Func):
+3693    pass
 3694
-3695class JSONExtractScalar(JSONExtract):
-3696    _sql_names = ["JSON_EXTRACT_SCALAR"]
-3697
+3695
+3696class Extract(Func):
+3697    arg_types = {"this": True, "expression": True}
 3698
-3699class JSONBExtract(JSONExtract):
-3700    _sql_names = ["JSONB_EXTRACT"]
-3701
+3699
+3700class TimestampAdd(Func, TimeUnit):
+3701    arg_types = {"this": True, "expression": True, "unit": False}
 3702
-3703class JSONBExtractScalar(JSONExtract):
-3704    _sql_names = ["JSONB_EXTRACT_SCALAR"]
-3705
+3703
+3704class TimestampSub(Func, TimeUnit):
+3705    arg_types = {"this": True, "expression": True, "unit": False}
 3706
-3707class JSONFormat(Func):
-3708    arg_types = {"this": False, "options": False}
-3709    _sql_names = ["JSON_FORMAT"]
+3707
+3708class TimestampDiff(Func, TimeUnit):
+3709    arg_types = {"this": True, "expression": True, "unit": False}
 3710
 3711
-3712class Least(Func):
-3713    arg_types = {"expressions": False}
-3714    is_var_len_args = True
+3712class TimestampTrunc(Func, TimeUnit):
+3713    arg_types = {"this": True, "unit": True, "zone": False}
+3714
 3715
-3716
-3717class Length(Func):
-3718    pass
+3716class TimeAdd(Func, TimeUnit):
+3717    arg_types = {"this": True, "expression": True, "unit": False}
+3718
 3719
-3720
-3721class Levenshtein(Func):
-3722    arg_types = {
-3723        "this": True,
-3724        "expression": False,
-3725        "ins_cost": False,
-3726        "del_cost": False,
-3727        "sub_cost": False,
-3728    }
-3729
+3720class TimeSub(Func, TimeUnit):
+3721    arg_types = {"this": True, "expression": True, "unit": False}
+3722
+3723
+3724class TimeDiff(Func, TimeUnit):
+3725    arg_types = {"this": True, "expression": True, "unit": False}
+3726
+3727
+3728class TimeTrunc(Func, TimeUnit):
+3729    arg_types = {"this": True, "unit": True, "zone": False}
 3730
-3731class Ln(Func):
-3732    pass
-3733
-3734
-3735class Log(Func):
-3736    arg_types = {"this": True, "expression": False}
-3737
-3738
-3739class Log2(Func):
-3740    pass
-3741
-3742
-3743class Log10(Func):
-3744    pass
-3745
-3746
-3747class LogicalOr(AggFunc):
-3748    _sql_names = ["LOGICAL_OR", "BOOL_OR", "BOOLOR_AGG"]
-3749
-3750
-3751class LogicalAnd(AggFunc):
-3752    _sql_names = ["LOGICAL_AND", "BOOL_AND", "BOOLAND_AGG"]
-3753
-3754
-3755class Lower(Func):
-3756    _sql_names = ["LOWER", "LCASE"]
-3757
-3758
-3759class Map(Func):
-3760    arg_types = {"keys": False, "values": False}
-3761
-3762
-3763class StarMap(Func):
-3764    pass
-3765
-3766
-3767class VarMap(Func):
-3768    arg_types = {"keys": True, "values": True}
-3769    is_var_len_args = True
-3770
+3731
+3732class DateFromParts(Func):
+3733    _sql_names = ["DATEFROMPARTS"]
+3734    arg_types = {"year": True, "month": True, "day": True}
+3735
+3736
+3737class DateStrToDate(Func):
+3738    pass
+3739
+3740
+3741class DateToDateStr(Func):
+3742    pass
+3743
+3744
+3745class DateToDi(Func):
+3746    pass
+3747
+3748
+3749class Day(Func):
+3750    pass
+3751
+3752
+3753class Decode(Func):
+3754    arg_types = {"this": True, "charset": True, "replace": False}
+3755
+3756
+3757class DiToDate(Func):
+3758    pass
+3759
+3760
+3761class Encode(Func):
+3762    arg_types = {"this": True, "charset": True}
+3763
+3764
+3765class Exp(Func):
+3766    pass
+3767
+3768
+3769class Explode(Func):
+3770    pass
 3771
-3772# https://dev.mysql.com/doc/refman/8.0/en/fulltext-search.html
-3773class MatchAgainst(Func):
-3774    arg_types = {"this": True, "expressions": True, "modifier": False}
+3772
+3773class ExponentialTimeDecayedAvg(AggFunc):
+3774    arg_types = {"this": True, "time": False, "decay": False}
 3775
 3776
-3777class Max(AggFunc):
-3778    arg_types = {"this": True, "expressions": False}
-3779    is_var_len_args = True
+3777class Floor(Func):
+3778    arg_types = {"this": True, "decimals": False}
+3779
 3780
-3781
-3782class MD5(Func):
-3783    _sql_names = ["MD5"]
+3781class Greatest(Func):
+3782    arg_types = {"this": True, "expressions": False}
+3783    is_var_len_args = True
 3784
 3785
-3786class Min(AggFunc):
-3787    arg_types = {"this": True, "expressions": False}
-3788    is_var_len_args = True
+3786class GroupConcat(Func):
+3787    arg_types = {"this": True, "separator": False}
+3788
 3789
-3790
-3791class Month(Func):
-3792    pass
+3790class GroupUniqArray(AggFunc):
+3791    arg_types = {"this": True, "size": False}
+3792
 3793
-3794
-3795class Nvl2(Func):
-3796    arg_types = {"this": True, "true": True, "false": False}
+3794class Hex(Func):
+3795    pass
+3796
 3797
-3798
-3799class Posexplode(Func):
-3800    pass
+3798class Histogram(AggFunc):
+3799    arg_types = {"this": True, "bins": False}
+3800
 3801
-3802
-3803class Pow(Binary, Func):
-3804    _sql_names = ["POWER", "POW"]
+3802class If(Func):
+3803    arg_types = {"this": True, "true": True, "false": False}
+3804
 3805
-3806
-3807class PercentileCont(AggFunc):
-3808    pass
+3806class IfNull(Func):
+3807    arg_types = {"this": True, "expression": False}
+3808    _sql_names = ["IFNULL", "NVL"]
 3809
 3810
-3811class PercentileDisc(AggFunc):
+3811class Initcap(Func):
 3812    pass
 3813
 3814
-3815class Quantile(AggFunc):
-3816    arg_types = {"this": True, "quantile": True}
+3815class JSONKeyValue(Expression):
+3816    arg_types = {"this": True, "expression": True}
 3817
 3818
-3819# Clickhouse-specific:
-3820# https://clickhouse.com/docs/en/sql-reference/aggregate-functions/reference/quantiles/#quantiles
-3821class Quantiles(AggFunc):
-3822    arg_types = {"parameters": True, "expressions": True}
-3823    is_var_len_args = True
-3824
-3825
-3826class QuantileIf(AggFunc):
-3827    arg_types = {"parameters": True, "expressions": True}
+3819class JSONObject(Func):
+3820    arg_types = {
+3821        "expressions": False,
+3822        "null_handling": False,
+3823        "unique_keys": False,
+3824        "return_type": False,
+3825        "format_json": False,
+3826        "encoding": False,
+3827    }
 3828
 3829
-3830class ApproxQuantile(Quantile):
-3831    arg_types = {"this": True, "quantile": True, "accuracy": False, "weight": False}
+3830class JSONBContains(Binary):
+3831    _sql_names = ["JSONB_CONTAINS"]
 3832
 3833
-3834class RangeN(Func):
-3835    arg_types = {"this": True, "expressions": True, "each": False}
+3834class JSONExtract(Binary, Func):
+3835    _sql_names = ["JSON_EXTRACT"]
 3836
 3837
-3838class ReadCSV(Func):
-3839    _sql_names = ["READ_CSV"]
-3840    is_var_len_args = True
-3841    arg_types = {"this": True, "expressions": False}
-3842
-3843
-3844class Reduce(Func):
-3845    arg_types = {"this": True, "initial": True, "merge": True, "finish": False}
-3846
-3847
-3848class RegexpExtract(Func):
-3849    arg_types = {
-3850        "this": True,
-3851        "expression": True,
-3852        "position": False,
-3853        "occurrence": False,
-3854        "group": False,
-3855    }
-3856
-3857
-3858class RegexpLike(Func):
-3859    arg_types = {"this": True, "expression": True, "flag": False}
-3860
-3861
-3862class RegexpILike(Func):
-3863    arg_types = {"this": True, "expression": True, "flag": False}
-3864
-3865
-3866# https://spark.apache.org/docs/latest/api/python/reference/pyspark.sql/api/pyspark.sql.functions.split.html
-3867# limit is the number of times a pattern is applied
-3868class RegexpSplit(Func):
-3869    arg_types = {"this": True, "expression": True, "limit": False}
-3870
-3871
-3872class Repeat(Func):
-3873    arg_types = {"this": True, "times": True}
-3874
-3875
-3876class Round(Func):
-3877    arg_types = {"this": True, "decimals": False}
-3878
-3879
-3880class RowNumber(Func):
-3881    arg_types: t.Dict[str, t.Any] = {}
-3882
-3883
-3884class SafeDivide(Func):
-3885    arg_types = {"this": True, "expression": True}
-3886
-3887
-3888class SetAgg(AggFunc):
-3889    pass
-3890
-3891
-3892class SHA(Func):
-3893    _sql_names = ["SHA", "SHA1"]
-3894
-3895
-3896class SHA2(Func):
-3897    _sql_names = ["SHA2"]
-3898    arg_types = {"this": True, "length": False}
-3899
+3838class JSONExtractScalar(JSONExtract):
+3839    _sql_names = ["JSON_EXTRACT_SCALAR"]
+3840
+3841
+3842class JSONBExtract(JSONExtract):
+3843    _sql_names = ["JSONB_EXTRACT"]
+3844
+3845
+3846class JSONBExtractScalar(JSONExtract):
+3847    _sql_names = ["JSONB_EXTRACT_SCALAR"]
+3848
+3849
+3850class JSONFormat(Func):
+3851    arg_types = {"this": False, "options": False}
+3852    _sql_names = ["JSON_FORMAT"]
+3853
+3854
+3855class Least(Func):
+3856    arg_types = {"expressions": False}
+3857    is_var_len_args = True
+3858
+3859
+3860class Length(Func):
+3861    pass
+3862
+3863
+3864class Levenshtein(Func):
+3865    arg_types = {
+3866        "this": True,
+3867        "expression": False,
+3868        "ins_cost": False,
+3869        "del_cost": False,
+3870        "sub_cost": False,
+3871    }
+3872
+3873
+3874class Ln(Func):
+3875    pass
+3876
+3877
+3878class Log(Func):
+3879    arg_types = {"this": True, "expression": False}
+3880
+3881
+3882class Log2(Func):
+3883    pass
+3884
+3885
+3886class Log10(Func):
+3887    pass
+3888
+3889
+3890class LogicalOr(AggFunc):
+3891    _sql_names = ["LOGICAL_OR", "BOOL_OR", "BOOLOR_AGG"]
+3892
+3893
+3894class LogicalAnd(AggFunc):
+3895    _sql_names = ["LOGICAL_AND", "BOOL_AND", "BOOLAND_AGG"]
+3896
+3897
+3898class Lower(Func):
+3899    _sql_names = ["LOWER", "LCASE"]
 3900
-3901class SortArray(Func):
-3902    arg_types = {"this": True, "asc": False}
-3903
+3901
+3902class Map(Func):
+3903    arg_types = {"keys": False, "values": False}
 3904
-3905class Split(Func):
-3906    arg_types = {"this": True, "expression": True, "limit": False}
-3907
+3905
+3906class StarMap(Func):
+3907    pass
 3908
-3909# Start may be omitted in the case of postgres
-3910# https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6
-3911class Substring(Func):
-3912    arg_types = {"this": True, "start": False, "length": False}
+3909
+3910class VarMap(Func):
+3911    arg_types = {"keys": True, "values": True}
+3912    is_var_len_args = True
 3913
 3914
-3915class StrPosition(Func):
-3916    arg_types = {
-3917        "this": True,
-3918        "substr": True,
-3919        "position": False,
-3920        "instance": False,
-3921    }
-3922
+3915# https://dev.mysql.com/doc/refman/8.0/en/fulltext-search.html
+3916class MatchAgainst(Func):
+3917    arg_types = {"this": True, "expressions": True, "modifier": False}
+3918
+3919
+3920class Max(AggFunc):
+3921    arg_types = {"this": True, "expressions": False}
+3922    is_var_len_args = True
 3923
-3924class StrToDate(Func):
-3925    arg_types = {"this": True, "format": True}
-3926
+3924
+3925class MD5(Func):
+3926    _sql_names = ["MD5"]
 3927
-3928class StrToTime(Func):
-3929    arg_types = {"this": True, "format": True}
-3930
-3931
-3932# Spark allows unix_timestamp()
-3933# https://spark.apache.org/docs/3.1.3/api/python/reference/api/pyspark.sql.functions.unix_timestamp.html
-3934class StrToUnix(Func):
-3935    arg_types = {"this": False, "format": False}
+3928
+3929class Min(AggFunc):
+3930    arg_types = {"this": True, "expressions": False}
+3931    is_var_len_args = True
+3932
+3933
+3934class Month(Func):
+3935    pass
 3936
 3937
-3938class NumberToStr(Func):
-3939    arg_types = {"this": True, "format": True}
+3938class Nvl2(Func):
+3939    arg_types = {"this": True, "true": True, "false": False}
 3940
 3941
-3942class Struct(Func):
-3943    arg_types = {"expressions": True}
-3944    is_var_len_args = True
+3942class Posexplode(Func):
+3943    pass
+3944
 3945
-3946
-3947class StructExtract(Func):
-3948    arg_types = {"this": True, "expression": True}
+3946class Pow(Binary, Func):
+3947    _sql_names = ["POWER", "POW"]
+3948
 3949
-3950
-3951class Sum(AggFunc):
-3952    pass
+3950class PercentileCont(AggFunc):
+3951    arg_types = {"this": True, "expression": False}
+3952
 3953
-3954
-3955class Sqrt(Func):
-3956    pass
+3954class PercentileDisc(AggFunc):
+3955    arg_types = {"this": True, "expression": False}
+3956
 3957
-3958
-3959class Stddev(AggFunc):
-3960    pass
+3958class Quantile(AggFunc):
+3959    arg_types = {"this": True, "quantile": True}
+3960
 3961
-3962
-3963class StddevPop(AggFunc):
-3964    pass
-3965
-3966
-3967class StddevSamp(AggFunc):
-3968    pass
-3969
-3970
-3971class TimeToStr(Func):
-3972    arg_types = {"this": True, "format": True}
-3973
-3974
-3975class TimeToTimeStr(Func):
-3976    pass
-3977
-3978
-3979class TimeToUnix(Func):
-3980    pass
-3981
-3982
-3983class TimeStrToDate(Func):
-3984    pass
+3962# Clickhouse-specific:
+3963# https://clickhouse.com/docs/en/sql-reference/aggregate-functions/reference/quantiles/#quantiles
+3964class Quantiles(AggFunc):
+3965    arg_types = {"parameters": True, "expressions": True}
+3966    is_var_len_args = True
+3967
+3968
+3969class QuantileIf(AggFunc):
+3970    arg_types = {"parameters": True, "expressions": True}
+3971
+3972
+3973class ApproxQuantile(Quantile):
+3974    arg_types = {"this": True, "quantile": True, "accuracy": False, "weight": False}
+3975
+3976
+3977class RangeN(Func):
+3978    arg_types = {"this": True, "expressions": True, "each": False}
+3979
+3980
+3981class ReadCSV(Func):
+3982    _sql_names = ["READ_CSV"]
+3983    is_var_len_args = True
+3984    arg_types = {"this": True, "expressions": False}
 3985
 3986
-3987class TimeStrToTime(Func):
-3988    pass
+3987class Reduce(Func):
+3988    arg_types = {"this": True, "initial": True, "merge": True, "finish": False}
 3989
 3990
-3991class TimeStrToUnix(Func):
-3992    pass
-3993
-3994
-3995class Trim(Func):
-3996    arg_types = {
-3997        "this": True,
-3998        "expression": False,
-3999        "position": False,
-4000        "collation": False,
-4001    }
-4002
+3991class RegexpExtract(Func):
+3992    arg_types = {
+3993        "this": True,
+3994        "expression": True,
+3995        "position": False,
+3996        "occurrence": False,
+3997        "group": False,
+3998    }
+3999
+4000
+4001class RegexpLike(Func):
+4002    arg_types = {"this": True, "expression": True, "flag": False}
 4003
-4004class TsOrDsAdd(Func, TimeUnit):
-4005    arg_types = {"this": True, "expression": True, "unit": False}
-4006
+4004
+4005class RegexpILike(Func):
+4006    arg_types = {"this": True, "expression": True, "flag": False}
 4007
-4008class TsOrDsToDateStr(Func):
-4009    pass
-4010
-4011
-4012class TsOrDsToDate(Func):
-4013    arg_types = {"this": True, "format": False}
+4008
+4009# https://spark.apache.org/docs/latest/api/python/reference/pyspark.sql/api/pyspark.sql.functions.split.html
+4010# limit is the number of times a pattern is applied
+4011class RegexpSplit(Func):
+4012    arg_types = {"this": True, "expression": True, "limit": False}
+4013
 4014
-4015
-4016class TsOrDiToDi(Func):
-4017    pass
+4015class Repeat(Func):
+4016    arg_types = {"this": True, "times": True}
+4017
 4018
-4019
-4020class Unhex(Func):
-4021    pass
+4019class Round(Func):
+4020    arg_types = {"this": True, "decimals": False}
+4021
 4022
-4023
-4024class UnixToStr(Func):
-4025    arg_types = {"this": True, "format": False}
+4023class RowNumber(Func):
+4024    arg_types: t.Dict[str, t.Any] = {}
+4025
 4026
-4027
-4028# https://prestodb.io/docs/current/functions/datetime.html
-4029# presto has weird zone/hours/minutes
-4030class UnixToTime(Func):
-4031    arg_types = {"this": True, "scale": False, "zone": False, "hours": False, "minutes": False}
-4032
-4033    SECONDS = Literal.string("seconds")
-4034    MILLIS = Literal.string("millis")
-4035    MICROS = Literal.string("micros")
-4036
+4027class SafeDivide(Func):
+4028    arg_types = {"this": True, "expression": True}
+4029
+4030
+4031class SetAgg(AggFunc):
+4032    pass
+4033
+4034
+4035class SHA(Func):
+4036    _sql_names = ["SHA", "SHA1"]
 4037
-4038class UnixToTimeStr(Func):
-4039    pass
-4040
-4041
-4042class Upper(Func):
-4043    _sql_names = ["UPPER", "UCASE"]
-4044
-4045
-4046class Variance(AggFunc):
-4047    _sql_names = ["VARIANCE", "VARIANCE_SAMP", "VAR_SAMP"]
-4048
-4049
-4050class VariancePop(AggFunc):
-4051    _sql_names = ["VARIANCE_POP", "VAR_POP"]
-4052
-4053
-4054class Week(Func):
-4055    arg_types = {"this": True, "mode": False}
+4038
+4039class SHA2(Func):
+4040    _sql_names = ["SHA2"]
+4041    arg_types = {"this": True, "length": False}
+4042
+4043
+4044class SortArray(Func):
+4045    arg_types = {"this": True, "asc": False}
+4046
+4047
+4048class Split(Func):
+4049    arg_types = {"this": True, "expression": True, "limit": False}
+4050
+4051
+4052# Start may be omitted in the case of postgres
+4053# https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6
+4054class Substring(Func):
+4055    arg_types = {"this": True, "start": False, "length": False}
 4056
 4057
-4058class XMLTable(Func):
-4059    arg_types = {"this": True, "passing": False, "columns": False, "by_ref": False}
-4060
-4061
-4062class Year(Func):
-4063    pass
-4064
+4058class StrPosition(Func):
+4059    arg_types = {
+4060        "this": True,
+4061        "substr": True,
+4062        "position": False,
+4063        "instance": False,
+4064    }
 4065
-4066class Use(Expression):
-4067    arg_types = {"this": True, "kind": False}
-4068
+4066
+4067class StrToDate(Func):
+4068    arg_types = {"this": True, "format": True}
 4069
-4070class Merge(Expression):
-4071    arg_types = {"this": True, "using": True, "on": True, "expressions": True}
-4072
+4070
+4071class StrToTime(Func):
+4072    arg_types = {"this": True, "format": True}
 4073
-4074class When(Func):
-4075    arg_types = {"matched": True, "source": False, "condition": False, "then": True}
-4076
-4077
-4078def _norm_arg(arg):
-4079    return arg.lower() if type(arg) is str else arg
+4074
+4075# Spark allows unix_timestamp()
+4076# https://spark.apache.org/docs/3.1.3/api/python/reference/api/pyspark.sql.functions.unix_timestamp.html
+4077class StrToUnix(Func):
+4078    arg_types = {"this": False, "format": False}
+4079
 4080
-4081
-4082ALL_FUNCTIONS = subclasses(__name__, Func, (AggFunc, Anonymous, Func))
+4081class NumberToStr(Func):
+4082    arg_types = {"this": True, "format": True}
 4083
 4084
-4085# Helpers
-4086@t.overload
-4087def maybe_parse(
-4088    sql_or_expression: ExpOrStr,
-4089    *,
-4090    into: t.Type[E],
-4091    dialect: DialectType = None,
-4092    prefix: t.Optional[str] = None,
-4093    copy: bool = False,
-4094    **opts,
-4095) -> E:
-4096    ...
+4085class Struct(Func):
+4086    arg_types = {"expressions": True}
+4087    is_var_len_args = True
+4088
+4089
+4090class StructExtract(Func):
+4091    arg_types = {"this": True, "expression": True}
+4092
+4093
+4094class Sum(AggFunc):
+4095    pass
+4096
 4097
-4098
-4099@t.overload
-4100def maybe_parse(
-4101    sql_or_expression: str | E,
-4102    *,
-4103    into: t.Optional[IntoType] = None,
-4104    dialect: DialectType = None,
-4105    prefix: t.Optional[str] = None,
-4106    copy: bool = False,
-4107    **opts,
-4108) -> E:
-4109    ...
-4110
-4111
-4112def maybe_parse(
-4113    sql_or_expression: ExpOrStr,
-4114    *,
-4115    into: t.Optional[IntoType] = None,
-4116    dialect: DialectType = None,
-4117    prefix: t.Optional[str] = None,
-4118    copy: bool = False,
-4119    **opts,
-4120) -> Expression:
-4121    """Gracefully handle a possible string or expression.
-4122
-4123    Example:
-4124        >>> maybe_parse("1")
-4125        (LITERAL this: 1, is_string: False)
-4126        >>> maybe_parse(to_identifier("x"))
-4127        (IDENTIFIER this: x, quoted: False)
+4098class Sqrt(Func):
+4099    pass
+4100
+4101
+4102class Stddev(AggFunc):
+4103    pass
+4104
+4105
+4106class StddevPop(AggFunc):
+4107    pass
+4108
+4109
+4110class StddevSamp(AggFunc):
+4111    pass
+4112
+4113
+4114class TimeToStr(Func):
+4115    arg_types = {"this": True, "format": True}
+4116
+4117
+4118class TimeToTimeStr(Func):
+4119    pass
+4120
+4121
+4122class TimeToUnix(Func):
+4123    pass
+4124
+4125
+4126class TimeStrToDate(Func):
+4127    pass
 4128
-4129    Args:
-4130        sql_or_expression: the SQL code string or an expression
-4131        into: the SQLGlot Expression to parse into
-4132        dialect: the dialect used to parse the input expressions (in the case that an
-4133            input expression is a SQL string).
-4134        prefix: a string to prefix the sql with before it gets parsed
-4135            (automatically includes a space)
-4136        copy: whether or not to copy the expression.
-4137        **opts: other options to use to parse the input expressions (again, in the case
-4138            that an input expression is a SQL string).
-4139
-4140    Returns:
-4141        Expression: the parsed or given expression.
-4142    """
-4143    if isinstance(sql_or_expression, Expression):
-4144        if copy:
-4145            return sql_or_expression.copy()
-4146        return sql_or_expression
-4147
-4148    import sqlglot
+4129
+4130class TimeStrToTime(Func):
+4131    pass
+4132
+4133
+4134class TimeStrToUnix(Func):
+4135    pass
+4136
+4137
+4138class Trim(Func):
+4139    arg_types = {
+4140        "this": True,
+4141        "expression": False,
+4142        "position": False,
+4143        "collation": False,
+4144    }
+4145
+4146
+4147class TsOrDsAdd(Func, TimeUnit):
+4148    arg_types = {"this": True, "expression": True, "unit": False}
 4149
-4150    sql = str(sql_or_expression)
-4151    if prefix:
-4152        sql = f"{prefix} {sql}"
-4153    return sqlglot.parse_one(sql, read=dialect, into=into, **opts)
+4150
+4151class TsOrDsToDateStr(Func):
+4152    pass
+4153
 4154
-4155
-4156def _maybe_copy(instance, copy=True):
-4157    return instance.copy() if copy else instance
+4155class TsOrDsToDate(Func):
+4156    arg_types = {"this": True, "format": False}
+4157
 4158
-4159
-4160def _is_wrong_expression(expression, into):
-4161    return isinstance(expression, Expression) and not isinstance(expression, into)
+4159class TsOrDiToDi(Func):
+4160    pass
+4161
 4162
-4163
-4164def _apply_builder(
-4165    expression,
-4166    instance,
-4167    arg,
-4168    copy=True,
-4169    prefix=None,
-4170    into=None,
-4171    dialect=None,
-4172    **opts,
-4173):
-4174    if _is_wrong_expression(expression, into):
-4175        expression = into(this=expression)
-4176    instance = _maybe_copy(instance, copy)
-4177    expression = maybe_parse(
-4178        sql_or_expression=expression,
-4179        prefix=prefix,
-4180        into=into,
-4181        dialect=dialect,
-4182        **opts,
-4183    )
-4184    instance.set(arg, expression)
-4185    return instance
-4186
+4163class Unhex(Func):
+4164    pass
+4165
+4166
+4167class UnixToStr(Func):
+4168    arg_types = {"this": True, "format": False}
+4169
+4170
+4171# https://prestodb.io/docs/current/functions/datetime.html
+4172# presto has weird zone/hours/minutes
+4173class UnixToTime(Func):
+4174    arg_types = {"this": True, "scale": False, "zone": False, "hours": False, "minutes": False}
+4175
+4176    SECONDS = Literal.string("seconds")
+4177    MILLIS = Literal.string("millis")
+4178    MICROS = Literal.string("micros")
+4179
+4180
+4181class UnixToTimeStr(Func):
+4182    pass
+4183
+4184
+4185class Upper(Func):
+4186    _sql_names = ["UPPER", "UCASE"]
 4187
-4188def _apply_child_list_builder(
-4189    *expressions,
-4190    instance,
-4191    arg,
-4192    append=True,
-4193    copy=True,
-4194    prefix=None,
-4195    into=None,
-4196    dialect=None,
-4197    properties=None,
-4198    **opts,
-4199):
-4200    instance = _maybe_copy(instance, copy)
-4201    parsed = []
-4202    for expression in expressions:
-4203        if _is_wrong_expression(expression, into):
-4204            expression = into(expressions=[expression])
-4205        expression = maybe_parse(
-4206            expression,
-4207            into=into,
-4208            dialect=dialect,
-4209            prefix=prefix,
-4210            **opts,
-4211        )
-4212        parsed.extend(expression.expressions)
-4213
-4214    existing = instance.args.get(arg)
-4215    if append and existing:
-4216        parsed = existing.expressions + parsed
-4217
-4218    child = into(expressions=parsed)
-4219    for k, v in (properties or {}).items():
-4220        child.set(k, v)
-4221    instance.set(arg, child)
-4222    return instance
-4223
-4224
-4225def _apply_list_builder(
-4226    *expressions,
-4227    instance,
-4228    arg,
-4229    append=True,
-4230    copy=True,
-4231    prefix=None,
-4232    into=None,
-4233    dialect=None,
-4234    **opts,
-4235):
-4236    inst = _maybe_copy(instance, copy)
-4237
-4238    expressions = [
-4239        maybe_parse(
-4240            sql_or_expression=expression,
-4241            into=into,
-4242            prefix=prefix,
-4243            dialect=dialect,
-4244            **opts,
-4245        )
-4246        for expression in expressions
-4247    ]
-4248
-4249    existing_expressions = inst.args.get(arg)
-4250    if append and existing_expressions:
-4251        expressions = existing_expressions + expressions
-4252
-4253    inst.set(arg, expressions)
-4254    return inst
-4255
-4256
-4257def _apply_conjunction_builder(
-4258    *expressions,
-4259    instance,
-4260    arg,
-4261    into=None,
-4262    append=True,
-4263    copy=True,
-4264    dialect=None,
-4265    **opts,
-4266):
-4267    expressions = [exp for exp in expressions if exp is not None and exp != ""]
-4268    if not expressions:
-4269        return instance
-4270
-4271    inst = _maybe_copy(instance, copy)
-4272
-4273    existing = inst.args.get(arg)
-4274    if append and existing is not None:
-4275        expressions = [existing.this if into else existing] + list(expressions)
-4276
-4277    node = and_(*expressions, dialect=dialect, **opts)
-4278
-4279    inst.set(arg, into(this=node) if into else node)
-4280    return inst
-4281
-4282
-4283def _combine(expressions, operator, dialect=None, **opts):
-4284    expressions = [condition(expression, dialect=dialect, **opts) for expression in expressions]
-4285    this = expressions[0]
-4286    if expressions[1:]:
-4287        this = _wrap_operator(this)
-4288    for expression in expressions[1:]:
-4289        this = operator(this=this, expression=_wrap_operator(expression))
-4290    return this
-4291
-4292
-4293def _wrap_operator(expression):
-4294    if isinstance(expression, (And, Or, Not)):
-4295        expression = Paren(this=expression)
-4296    return expression
-4297
+4188
+4189class Variance(AggFunc):
+4190    _sql_names = ["VARIANCE", "VARIANCE_SAMP", "VAR_SAMP"]
+4191
+4192
+4193class VariancePop(AggFunc):
+4194    _sql_names = ["VARIANCE_POP", "VAR_POP"]
+4195
+4196
+4197class Week(Func):
+4198    arg_types = {"this": True, "mode": False}
+4199
+4200
+4201class XMLTable(Func):
+4202    arg_types = {"this": True, "passing": False, "columns": False, "by_ref": False}
+4203
+4204
+4205class Year(Func):
+4206    pass
+4207
+4208
+4209class Use(Expression):
+4210    arg_types = {"this": True, "kind": False}
+4211
+4212
+4213class Merge(Expression):
+4214    arg_types = {"this": True, "using": True, "on": True, "expressions": True}
+4215
+4216
+4217class When(Func):
+4218    arg_types = {"matched": True, "source": False, "condition": False, "then": True}
+4219
+4220
+4221# https://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljnextvaluefor.html
+4222# https://learn.microsoft.com/en-us/sql/t-sql/functions/next-value-for-transact-sql?view=sql-server-ver16
+4223class NextValueFor(Func):
+4224    arg_types = {"this": True, "order": False}
+4225
+4226
+4227def _norm_arg(arg):
+4228    return arg.lower() if type(arg) is str else arg
+4229
+4230
+4231ALL_FUNCTIONS = subclasses(__name__, Func, (AggFunc, Anonymous, Func))
+4232
+4233
+4234# Helpers
+4235@t.overload
+4236def maybe_parse(
+4237    sql_or_expression: ExpOrStr,
+4238    *,
+4239    into: t.Type[E],
+4240    dialect: DialectType = None,
+4241    prefix: t.Optional[str] = None,
+4242    copy: bool = False,
+4243    **opts,
+4244) -> E:
+4245    ...
+4246
+4247
+4248@t.overload
+4249def maybe_parse(
+4250    sql_or_expression: str | E,
+4251    *,
+4252    into: t.Optional[IntoType] = None,
+4253    dialect: DialectType = None,
+4254    prefix: t.Optional[str] = None,
+4255    copy: bool = False,
+4256    **opts,
+4257) -> E:
+4258    ...
+4259
+4260
+4261def maybe_parse(
+4262    sql_or_expression: ExpOrStr,
+4263    *,
+4264    into: t.Optional[IntoType] = None,
+4265    dialect: DialectType = None,
+4266    prefix: t.Optional[str] = None,
+4267    copy: bool = False,
+4268    **opts,
+4269) -> Expression:
+4270    """Gracefully handle a possible string or expression.
+4271
+4272    Example:
+4273        >>> maybe_parse("1")
+4274        (LITERAL this: 1, is_string: False)
+4275        >>> maybe_parse(to_identifier("x"))
+4276        (IDENTIFIER this: x, quoted: False)
+4277
+4278    Args:
+4279        sql_or_expression: the SQL code string or an expression
+4280        into: the SQLGlot Expression to parse into
+4281        dialect: the dialect used to parse the input expressions (in the case that an
+4282            input expression is a SQL string).
+4283        prefix: a string to prefix the sql with before it gets parsed
+4284            (automatically includes a space)
+4285        copy: whether or not to copy the expression.
+4286        **opts: other options to use to parse the input expressions (again, in the case
+4287            that an input expression is a SQL string).
+4288
+4289    Returns:
+4290        Expression: the parsed or given expression.
+4291    """
+4292    if isinstance(sql_or_expression, Expression):
+4293        if copy:
+4294            return sql_or_expression.copy()
+4295        return sql_or_expression
+4296
+4297    import sqlglot
 4298
-4299def union(left, right, distinct=True, dialect=None, **opts):
-4300    """
-4301    Initializes a syntax tree from one UNION expression.
-4302
-4303    Example:
-4304        >>> union("SELECT * FROM foo", "SELECT * FROM bla").sql()
-4305        'SELECT * FROM foo UNION SELECT * FROM bla'
-4306
-4307    Args:
-4308        left (str | Expression): the SQL code string corresponding to the left-hand side.
-4309            If an `Expression` instance is passed, it will be used as-is.
-4310        right (str | Expression): the SQL code string corresponding to the right-hand side.
-4311            If an `Expression` instance is passed, it will be used as-is.
-4312        distinct (bool): set the DISTINCT flag if and only if this is true.
-4313        dialect (str): the dialect used to parse the input expression.
-4314        opts (kwargs): other options to use to parse the input expressions.
-4315    Returns:
-4316        Union: the syntax tree for the UNION expression.
-4317    """
-4318    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
-4319    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
-4320
-4321    return Union(this=left, expression=right, distinct=distinct)
-4322
-4323
-4324def intersect(left, right, distinct=True, dialect=None, **opts):
-4325    """
-4326    Initializes a syntax tree from one INTERSECT expression.
-4327
-4328    Example:
-4329        >>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql()
-4330        'SELECT * FROM foo INTERSECT SELECT * FROM bla'
-4331
-4332    Args:
-4333        left (str | Expression): the SQL code string corresponding to the left-hand side.
-4334            If an `Expression` instance is passed, it will be used as-is.
-4335        right (str | Expression): the SQL code string corresponding to the right-hand side.
-4336            If an `Expression` instance is passed, it will be used as-is.
-4337        distinct (bool): set the DISTINCT flag if and only if this is true.
-4338        dialect (str): the dialect used to parse the input expression.
-4339        opts (kwargs): other options to use to parse the input expressions.
-4340    Returns:
-4341        Intersect: the syntax tree for the INTERSECT expression.
-4342    """
-4343    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
-4344    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
-4345
-4346    return Intersect(this=left, expression=right, distinct=distinct)
-4347
-4348
-4349def except_(left, right, distinct=True, dialect=None, **opts):
-4350    """
-4351    Initializes a syntax tree from one EXCEPT expression.
-4352
-4353    Example:
-4354        >>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql()
-4355        'SELECT * FROM foo EXCEPT SELECT * FROM bla'
-4356
-4357    Args:
-4358        left (str | Expression): the SQL code string corresponding to the left-hand side.
-4359            If an `Expression` instance is passed, it will be used as-is.
-4360        right (str | Expression): the SQL code string corresponding to the right-hand side.
-4361            If an `Expression` instance is passed, it will be used as-is.
-4362        distinct (bool): set the DISTINCT flag if and only if this is true.
-4363        dialect (str): the dialect used to parse the input expression.
-4364        opts (kwargs): other options to use to parse the input expressions.
-4365    Returns:
-4366        Except: the syntax tree for the EXCEPT statement.
-4367    """
-4368    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
-4369    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
-4370
-4371    return Except(this=left, expression=right, distinct=distinct)
+4299    sql = str(sql_or_expression)
+4300    if prefix:
+4301        sql = f"{prefix} {sql}"
+4302    return sqlglot.parse_one(sql, read=dialect, into=into, **opts)
+4303
+4304
+4305def _maybe_copy(instance, copy=True):
+4306    return instance.copy() if copy else instance
+4307
+4308
+4309def _is_wrong_expression(expression, into):
+4310    return isinstance(expression, Expression) and not isinstance(expression, into)
+4311
+4312
+4313def _apply_builder(
+4314    expression,
+4315    instance,
+4316    arg,
+4317    copy=True,
+4318    prefix=None,
+4319    into=None,
+4320    dialect=None,
+4321    **opts,
+4322):
+4323    if _is_wrong_expression(expression, into):
+4324        expression = into(this=expression)
+4325    instance = _maybe_copy(instance, copy)
+4326    expression = maybe_parse(
+4327        sql_or_expression=expression,
+4328        prefix=prefix,
+4329        into=into,
+4330        dialect=dialect,
+4331        **opts,
+4332    )
+4333    instance.set(arg, expression)
+4334    return instance
+4335
+4336
+4337def _apply_child_list_builder(
+4338    *expressions,
+4339    instance,
+4340    arg,
+4341    append=True,
+4342    copy=True,
+4343    prefix=None,
+4344    into=None,
+4345    dialect=None,
+4346    properties=None,
+4347    **opts,
+4348):
+4349    instance = _maybe_copy(instance, copy)
+4350    parsed = []
+4351    for expression in expressions:
+4352        if _is_wrong_expression(expression, into):
+4353            expression = into(expressions=[expression])
+4354        expression = maybe_parse(
+4355            expression,
+4356            into=into,
+4357            dialect=dialect,
+4358            prefix=prefix,
+4359            **opts,
+4360        )
+4361        parsed.extend(expression.expressions)
+4362
+4363    existing = instance.args.get(arg)
+4364    if append and existing:
+4365        parsed = existing.expressions + parsed
+4366
+4367    child = into(expressions=parsed)
+4368    for k, v in (properties or {}).items():
+4369        child.set(k, v)
+4370    instance.set(arg, child)
+4371    return instance
 4372
 4373
-4374def select(*expressions: ExpOrStr, dialect: DialectType = None, **opts) -> Select:
-4375    """
-4376    Initializes a syntax tree from one or multiple SELECT expressions.
-4377
-4378    Example:
-4379        >>> select("col1", "col2").from_("tbl").sql()
-4380        'SELECT col1, col2 FROM tbl'
-4381
-4382    Args:
-4383        *expressions: the SQL code string to parse as the expressions of a
-4384            SELECT statement. If an Expression instance is passed, this is used as-is.
-4385        dialect: the dialect used to parse the input expressions (in the case that an
-4386            input expression is a SQL string).
-4387        **opts: other options to use to parse the input expressions (again, in the case
-4388            that an input expression is a SQL string).
-4389
-4390    Returns:
-4391        Select: the syntax tree for the SELECT statement.
-4392    """
-4393    return Select().select(*expressions, dialect=dialect, **opts)
-4394
-4395
-4396def from_(*expressions, dialect=None, **opts) -> Select:
-4397    """
-4398    Initializes a syntax tree from a FROM expression.
-4399
-4400    Example:
-4401        >>> from_("tbl").select("col1", "col2").sql()
-4402        'SELECT col1, col2 FROM tbl'
-4403
-4404    Args:
-4405        *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a
-4406            SELECT statement. If an Expression instance is passed, this is used as-is.
-4407        dialect (str): the dialect used to parse the input expression (in the case that the
-4408            input expression is a SQL string).
-4409        **opts: other options to use to parse the input expressions (again, in the case
-4410            that the input expression is a SQL string).
-4411
-4412    Returns:
-4413        Select: the syntax tree for the SELECT statement.
-4414    """
-4415    return Select().from_(*expressions, dialect=dialect, **opts)
-4416
-4417
-4418def update(
-4419    table: str | Table,
-4420    properties: dict,
-4421    where: t.Optional[ExpOrStr] = None,
-4422    from_: t.Optional[ExpOrStr] = None,
-4423    dialect: DialectType = None,
-4424    **opts,
-4425) -> Update:
-4426    """
-4427    Creates an update statement.
-4428
-4429    Example:
-4430        >>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql()
-4431        "UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1"
-4432
-4433    Args:
-4434        *properties: dictionary of properties to set which are
-4435            auto converted to sql objects eg None -> NULL
-4436        where: sql conditional parsed into a WHERE statement
-4437        from_: sql statement parsed into a FROM statement
-4438        dialect: the dialect used to parse the input expressions.
-4439        **opts: other options to use to parse the input expressions.
-4440
-4441    Returns:
-4442        Update: the syntax tree for the UPDATE statement.
-4443    """
-4444    update_expr = Update(this=maybe_parse(table, into=Table, dialect=dialect))
-4445    update_expr.set(
-4446        "expressions",
-4447        [
-4448            EQ(this=maybe_parse(k, dialect=dialect, **opts), expression=convert(v))
-4449            for k, v in properties.items()
-4450        ],
-4451    )
-4452    if from_:
-4453        update_expr.set(
-4454            "from",
-4455            maybe_parse(from_, into=From, dialect=dialect, prefix="FROM", **opts),
-4456        )
-4457    if isinstance(where, Condition):
-4458        where = Where(this=where)
-4459    if where:
-4460        update_expr.set(
-4461            "where",
-4462            maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts),
-4463        )
-4464    return update_expr
-4465
-4466
-4467def delete(
-4468    table: ExpOrStr,
-4469    where: t.Optional[ExpOrStr] = None,
-4470    returning: t.Optional[ExpOrStr] = None,
-4471    dialect: DialectType = None,
-4472    **opts,
-4473) -> Delete:
-4474    """
-4475    Builds a delete statement.
-4476
-4477    Example:
-4478        >>> delete("my_table", where="id > 1").sql()
-4479        'DELETE FROM my_table WHERE id > 1'
-4480
-4481    Args:
-4482        where: sql conditional parsed into a WHERE statement
-4483        returning: sql conditional parsed into a RETURNING statement
-4484        dialect: the dialect used to parse the input expressions.
-4485        **opts: other options to use to parse the input expressions.
-4486
-4487    Returns:
-4488        Delete: the syntax tree for the DELETE statement.
-4489    """
-4490    delete_expr = Delete().delete(table, dialect=dialect, copy=False, **opts)
-4491    if where:
-4492        delete_expr = delete_expr.where(where, dialect=dialect, copy=False, **opts)
-4493    if returning:
-4494        delete_expr = delete_expr.returning(returning, dialect=dialect, copy=False, **opts)
-4495    return delete_expr
+4374def _apply_list_builder(
+4375    *expressions,
+4376    instance,
+4377    arg,
+4378    append=True,
+4379    copy=True,
+4380    prefix=None,
+4381    into=None,
+4382    dialect=None,
+4383    **opts,
+4384):
+4385    inst = _maybe_copy(instance, copy)
+4386
+4387    expressions = [
+4388        maybe_parse(
+4389            sql_or_expression=expression,
+4390            into=into,
+4391            prefix=prefix,
+4392            dialect=dialect,
+4393            **opts,
+4394        )
+4395        for expression in expressions
+4396    ]
+4397
+4398    existing_expressions = inst.args.get(arg)
+4399    if append and existing_expressions:
+4400        expressions = existing_expressions + expressions
+4401
+4402    inst.set(arg, expressions)
+4403    return inst
+4404
+4405
+4406def _apply_conjunction_builder(
+4407    *expressions,
+4408    instance,
+4409    arg,
+4410    into=None,
+4411    append=True,
+4412    copy=True,
+4413    dialect=None,
+4414    **opts,
+4415):
+4416    expressions = [exp for exp in expressions if exp is not None and exp != ""]
+4417    if not expressions:
+4418        return instance
+4419
+4420    inst = _maybe_copy(instance, copy)
+4421
+4422    existing = inst.args.get(arg)
+4423    if append and existing is not None:
+4424        expressions = [existing.this if into else existing] + list(expressions)
+4425
+4426    node = and_(*expressions, dialect=dialect, copy=copy, **opts)
+4427
+4428    inst.set(arg, into(this=node) if into else node)
+4429    return inst
+4430
+4431
+4432def _combine(expressions, operator, dialect=None, copy=True, **opts):
+4433    expressions = [
+4434        condition(expression, dialect=dialect, copy=copy, **opts) for expression in expressions
+4435    ]
+4436    this = expressions[0]
+4437    if expressions[1:]:
+4438        this = _wrap(this, Connector)
+4439    for expression in expressions[1:]:
+4440        this = operator(this=this, expression=_wrap(expression, Connector))
+4441    return this
+4442
+4443
+4444def _wrap(expression: E, kind: t.Type[Expression]) -> E | Paren:
+4445    if isinstance(expression, kind):
+4446        return Paren(this=expression)
+4447    return expression
+4448
+4449
+4450def union(left, right, distinct=True, dialect=None, **opts):
+4451    """
+4452    Initializes a syntax tree from one UNION expression.
+4453
+4454    Example:
+4455        >>> union("SELECT * FROM foo", "SELECT * FROM bla").sql()
+4456        'SELECT * FROM foo UNION SELECT * FROM bla'
+4457
+4458    Args:
+4459        left (str | Expression): the SQL code string corresponding to the left-hand side.
+4460            If an `Expression` instance is passed, it will be used as-is.
+4461        right (str | Expression): the SQL code string corresponding to the right-hand side.
+4462            If an `Expression` instance is passed, it will be used as-is.
+4463        distinct (bool): set the DISTINCT flag if and only if this is true.
+4464        dialect (str): the dialect used to parse the input expression.
+4465        opts (kwargs): other options to use to parse the input expressions.
+4466    Returns:
+4467        Union: the syntax tree for the UNION expression.
+4468    """
+4469    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
+4470    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
+4471
+4472    return Union(this=left, expression=right, distinct=distinct)
+4473
+4474
+4475def intersect(left, right, distinct=True, dialect=None, **opts):
+4476    """
+4477    Initializes a syntax tree from one INTERSECT expression.
+4478
+4479    Example:
+4480        >>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql()
+4481        'SELECT * FROM foo INTERSECT SELECT * FROM bla'
+4482
+4483    Args:
+4484        left (str | Expression): the SQL code string corresponding to the left-hand side.
+4485            If an `Expression` instance is passed, it will be used as-is.
+4486        right (str | Expression): the SQL code string corresponding to the right-hand side.
+4487            If an `Expression` instance is passed, it will be used as-is.
+4488        distinct (bool): set the DISTINCT flag if and only if this is true.
+4489        dialect (str): the dialect used to parse the input expression.
+4490        opts (kwargs): other options to use to parse the input expressions.
+4491    Returns:
+4492        Intersect: the syntax tree for the INTERSECT expression.
+4493    """
+4494    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
+4495    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
 4496
-4497
-4498def condition(expression, dialect=None, **opts) -> Condition:
-4499    """
-4500    Initialize a logical condition expression.
-4501
-4502    Example:
-4503        >>> condition("x=1").sql()
-4504        'x = 1'
-4505
-4506        This is helpful for composing larger logical syntax trees:
-4507        >>> where = condition("x=1")
-4508        >>> where = where.and_("y=1")
-4509        >>> Select().from_("tbl").select("*").where(where).sql()
-4510        'SELECT * FROM tbl WHERE x = 1 AND y = 1'
-4511
-4512    Args:
-4513        *expression (str | Expression): the SQL code string to parse.
-4514            If an Expression instance is passed, this is used as-is.
-4515        dialect (str): the dialect used to parse the input expression (in the case that the
-4516            input expression is a SQL string).
-4517        **opts: other options to use to parse the input expressions (again, in the case
-4518            that the input expression is a SQL string).
-4519
-4520    Returns:
-4521        Condition: the expression
-4522    """
-4523    return maybe_parse(  # type: ignore
-4524        expression,
-4525        into=Condition,
-4526        dialect=dialect,
-4527        **opts,
-4528    )
-4529
-4530
-4531def and_(*expressions, dialect=None, **opts) -> And:
-4532    """
-4533    Combine multiple conditions with an AND logical operator.
-4534
-4535    Example:
-4536        >>> and_("x=1", and_("y=1", "z=1")).sql()
-4537        'x = 1 AND (y = 1 AND z = 1)'
-4538
-4539    Args:
-4540        *expressions (str | Expression): the SQL code strings to parse.
-4541            If an Expression instance is passed, this is used as-is.
-4542        dialect (str): the dialect used to parse the input expression.
-4543        **opts: other options to use to parse the input expressions.
-4544
-4545    Returns:
-4546        And: the new condition
-4547    """
-4548    return _combine(expressions, And, dialect, **opts)
-4549
+4497    return Intersect(this=left, expression=right, distinct=distinct)
+4498
+4499
+4500def except_(left, right, distinct=True, dialect=None, **opts):
+4501    """
+4502    Initializes a syntax tree from one EXCEPT expression.
+4503
+4504    Example:
+4505        >>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql()
+4506        'SELECT * FROM foo EXCEPT SELECT * FROM bla'
+4507
+4508    Args:
+4509        left (str | Expression): the SQL code string corresponding to the left-hand side.
+4510            If an `Expression` instance is passed, it will be used as-is.
+4511        right (str | Expression): the SQL code string corresponding to the right-hand side.
+4512            If an `Expression` instance is passed, it will be used as-is.
+4513        distinct (bool): set the DISTINCT flag if and only if this is true.
+4514        dialect (str): the dialect used to parse the input expression.
+4515        opts (kwargs): other options to use to parse the input expressions.
+4516    Returns:
+4517        Except: the syntax tree for the EXCEPT statement.
+4518    """
+4519    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
+4520    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
+4521
+4522    return Except(this=left, expression=right, distinct=distinct)
+4523
+4524
+4525def select(*expressions: ExpOrStr, dialect: DialectType = None, **opts) -> Select:
+4526    """
+4527    Initializes a syntax tree from one or multiple SELECT expressions.
+4528
+4529    Example:
+4530        >>> select("col1", "col2").from_("tbl").sql()
+4531        'SELECT col1, col2 FROM tbl'
+4532
+4533    Args:
+4534        *expressions: the SQL code string to parse as the expressions of a
+4535            SELECT statement. If an Expression instance is passed, this is used as-is.
+4536        dialect: the dialect used to parse the input expressions (in the case that an
+4537            input expression is a SQL string).
+4538        **opts: other options to use to parse the input expressions (again, in the case
+4539            that an input expression is a SQL string).
+4540
+4541    Returns:
+4542        Select: the syntax tree for the SELECT statement.
+4543    """
+4544    return Select().select(*expressions, dialect=dialect, **opts)
+4545
+4546
+4547def from_(*expressions, dialect=None, **opts) -> Select:
+4548    """
+4549    Initializes a syntax tree from a FROM expression.
 4550
-4551def or_(*expressions, dialect=None, **opts) -> Or:
-4552    """
-4553    Combine multiple conditions with an OR logical operator.
+4551    Example:
+4552        >>> from_("tbl").select("col1", "col2").sql()
+4553        'SELECT col1, col2 FROM tbl'
 4554
-4555    Example:
-4556        >>> or_("x=1", or_("y=1", "z=1")).sql()
-4557        'x = 1 OR (y = 1 OR z = 1)'
-4558
-4559    Args:
-4560        *expressions (str | Expression): the SQL code strings to parse.
-4561            If an Expression instance is passed, this is used as-is.
-4562        dialect (str): the dialect used to parse the input expression.
-4563        **opts: other options to use to parse the input expressions.
-4564
-4565    Returns:
-4566        Or: the new condition
-4567    """
-4568    return _combine(expressions, Or, dialect, **opts)
-4569
-4570
-4571def not_(expression, dialect=None, **opts) -> Not:
-4572    """
-4573    Wrap a condition with a NOT operator.
-4574
-4575    Example:
-4576        >>> not_("this_suit='black'").sql()
-4577        "NOT this_suit = 'black'"
-4578
-4579    Args:
-4580        expression (str | Expression): the SQL code strings to parse.
-4581            If an Expression instance is passed, this is used as-is.
-4582        dialect (str): the dialect used to parse the input expression.
-4583        **opts: other options to use to parse the input expressions.
-4584
-4585    Returns:
-4586        Not: the new condition
-4587    """
-4588    this = condition(
-4589        expression,
-4590        dialect=dialect,
-4591        **opts,
-4592    )
-4593    return Not(this=_wrap_operator(this))
-4594
-4595
-4596def paren(expression) -> Paren:
-4597    return Paren(this=expression)
-4598
-4599
-4600SAFE_IDENTIFIER_RE = re.compile(r"^[_a-zA-Z][\w]*$")
-4601
-4602
-4603@t.overload
-4604def to_identifier(name: None, quoted: t.Optional[bool] = None) -> None:
-4605    ...
-4606
-4607
-4608@t.overload
-4609def to_identifier(name: str | Identifier, quoted: t.Optional[bool] = None) -> Identifier:
-4610    ...
-4611
-4612
-4613def to_identifier(name, quoted=None):
-4614    """Builds an identifier.
-4615
-4616    Args:
-4617        name: The name to turn into an identifier.
-4618        quoted: Whether or not force quote the identifier.
-4619
-4620    Returns:
-4621        The identifier ast node.
-4622    """
-4623
-4624    if name is None:
-4625        return None
-4626
-4627    if isinstance(name, Identifier):
-4628        identifier = name
-4629    elif isinstance(name, str):
-4630        identifier = Identifier(
-4631            this=name,
-4632            quoted=not SAFE_IDENTIFIER_RE.match(name) if quoted is None else quoted,
-4633        )
-4634    else:
-4635        raise ValueError(f"Name needs to be a string or an Identifier, got: {name.__class__}")
-4636    return identifier
+4555    Args:
+4556        *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a
+4557            SELECT statement. If an Expression instance is passed, this is used as-is.
+4558        dialect (str): the dialect used to parse the input expression (in the case that the
+4559            input expression is a SQL string).
+4560        **opts: other options to use to parse the input expressions (again, in the case
+4561            that the input expression is a SQL string).
+4562
+4563    Returns:
+4564        Select: the syntax tree for the SELECT statement.
+4565    """
+4566    return Select().from_(*expressions, dialect=dialect, **opts)
+4567
+4568
+4569def update(
+4570    table: str | Table,
+4571    properties: dict,
+4572    where: t.Optional[ExpOrStr] = None,
+4573    from_: t.Optional[ExpOrStr] = None,
+4574    dialect: DialectType = None,
+4575    **opts,
+4576) -> Update:
+4577    """
+4578    Creates an update statement.
+4579
+4580    Example:
+4581        >>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql()
+4582        "UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1"
+4583
+4584    Args:
+4585        *properties: dictionary of properties to set which are
+4586            auto converted to sql objects eg None -> NULL
+4587        where: sql conditional parsed into a WHERE statement
+4588        from_: sql statement parsed into a FROM statement
+4589        dialect: the dialect used to parse the input expressions.
+4590        **opts: other options to use to parse the input expressions.
+4591
+4592    Returns:
+4593        Update: the syntax tree for the UPDATE statement.
+4594    """
+4595    update_expr = Update(this=maybe_parse(table, into=Table, dialect=dialect))
+4596    update_expr.set(
+4597        "expressions",
+4598        [
+4599            EQ(this=maybe_parse(k, dialect=dialect, **opts), expression=convert(v))
+4600            for k, v in properties.items()
+4601        ],
+4602    )
+4603    if from_:
+4604        update_expr.set(
+4605            "from",
+4606            maybe_parse(from_, into=From, dialect=dialect, prefix="FROM", **opts),
+4607        )
+4608    if isinstance(where, Condition):
+4609        where = Where(this=where)
+4610    if where:
+4611        update_expr.set(
+4612            "where",
+4613            maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts),
+4614        )
+4615    return update_expr
+4616
+4617
+4618def delete(
+4619    table: ExpOrStr,
+4620    where: t.Optional[ExpOrStr] = None,
+4621    returning: t.Optional[ExpOrStr] = None,
+4622    dialect: DialectType = None,
+4623    **opts,
+4624) -> Delete:
+4625    """
+4626    Builds a delete statement.
+4627
+4628    Example:
+4629        >>> delete("my_table", where="id > 1").sql()
+4630        'DELETE FROM my_table WHERE id > 1'
+4631
+4632    Args:
+4633        where: sql conditional parsed into a WHERE statement
+4634        returning: sql conditional parsed into a RETURNING statement
+4635        dialect: the dialect used to parse the input expressions.
+4636        **opts: other options to use to parse the input expressions.
 4637
-4638
-4639INTERVAL_STRING_RE = re.compile(r"\s*([0-9]+)\s*([a-zA-Z]+)\s*")
-4640
-4641
-4642def to_interval(interval: str | Literal) -> Interval:
-4643    """Builds an interval expression from a string like '1 day' or '5 months'."""
-4644    if isinstance(interval, Literal):
-4645        if not interval.is_string:
-4646            raise ValueError("Invalid interval string.")
+4638    Returns:
+4639        Delete: the syntax tree for the DELETE statement.
+4640    """
+4641    delete_expr = Delete().delete(table, dialect=dialect, copy=False, **opts)
+4642    if where:
+4643        delete_expr = delete_expr.where(where, dialect=dialect, copy=False, **opts)
+4644    if returning:
+4645        delete_expr = delete_expr.returning(returning, dialect=dialect, copy=False, **opts)
+4646    return delete_expr
 4647
-4648        interval = interval.this
-4649
-4650    interval_parts = INTERVAL_STRING_RE.match(interval)  # type: ignore
-4651
-4652    if not interval_parts:
-4653        raise ValueError("Invalid interval string.")
-4654
-4655    return Interval(
-4656        this=Literal.string(interval_parts.group(1)),
-4657        unit=Var(this=interval_parts.group(2)),
-4658    )
-4659
-4660
-4661@t.overload
-4662def to_table(sql_path: str | Table, **kwargs) -> Table:
-4663    ...
-4664
-4665
-4666@t.overload
-4667def to_table(sql_path: None, **kwargs) -> None:
-4668    ...
-4669
-4670
-4671def to_table(sql_path: t.Optional[str | Table], **kwargs) -> t.Optional[Table]:
-4672    """
-4673    Create a table expression from a `[catalog].[schema].[table]` sql path. Catalog and schema are optional.
-4674    If a table is passed in then that table is returned.
-4675
-4676    Args:
-4677        sql_path: a `[catalog].[schema].[table]` string.
-4678
-4679    Returns:
-4680        A table expression.
-4681    """
-4682    if sql_path is None or isinstance(sql_path, Table):
-4683        return sql_path
-4684    if not isinstance(sql_path, str):
-4685        raise ValueError(f"Invalid type provided for a table: {type(sql_path)}")
-4686
-4687    catalog, db, table_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 3))
-4688    return Table(this=table_name, db=db, catalog=catalog, **kwargs)
-4689
-4690
-4691def to_column(sql_path: str | Column, **kwargs) -> Column:
-4692    """
-4693    Create a column from a `[table].[column]` sql path. Schema is optional.
-4694
-4695    If a column is passed in then that column is returned.
-4696
-4697    Args:
-4698        sql_path: `[table].[column]` string
+4648
+4649def condition(expression, dialect=None, copy=True, **opts) -> Condition:
+4650    """
+4651    Initialize a logical condition expression.
+4652
+4653    Example:
+4654        >>> condition("x=1").sql()
+4655        'x = 1'
+4656
+4657        This is helpful for composing larger logical syntax trees:
+4658        >>> where = condition("x=1")
+4659        >>> where = where.and_("y=1")
+4660        >>> Select().from_("tbl").select("*").where(where).sql()
+4661        'SELECT * FROM tbl WHERE x = 1 AND y = 1'
+4662
+4663    Args:
+4664        *expression (str | Expression): the SQL code string to parse.
+4665            If an Expression instance is passed, this is used as-is.
+4666        dialect (str): the dialect used to parse the input expression (in the case that the
+4667            input expression is a SQL string).
+4668        copy (bool): Whether or not to copy `expression` (only applies to expressions).
+4669        **opts: other options to use to parse the input expressions (again, in the case
+4670            that the input expression is a SQL string).
+4671
+4672    Returns:
+4673        Condition: the expression
+4674    """
+4675    return maybe_parse(  # type: ignore
+4676        expression,
+4677        into=Condition,
+4678        dialect=dialect,
+4679        copy=copy,
+4680        **opts,
+4681    )
+4682
+4683
+4684def and_(*expressions, dialect=None, copy=True, **opts) -> And:
+4685    """
+4686    Combine multiple conditions with an AND logical operator.
+4687
+4688    Example:
+4689        >>> and_("x=1", and_("y=1", "z=1")).sql()
+4690        'x = 1 AND (y = 1 AND z = 1)'
+4691
+4692    Args:
+4693        *expressions (str | Expression): the SQL code strings to parse.
+4694            If an Expression instance is passed, this is used as-is.
+4695        dialect (str): the dialect used to parse the input expression.
+4696        copy (bool): whether or not to copy `expressions` (only applies to Expressions).
+4697        **opts: other options to use to parse the input expressions.
+4698
 4699    Returns:
-4700        Table: A column expression
+4700        And: the new condition
 4701    """
-4702    if sql_path is None or isinstance(sql_path, Column):
-4703        return sql_path
-4704    if not isinstance(sql_path, str):
-4705        raise ValueError(f"Invalid type provided for column: {type(sql_path)}")
-4706    return column(*reversed(sql_path.split(".")), **kwargs)  # type: ignore
-4707
+4702    return _combine(expressions, And, dialect, copy=copy, **opts)
+4703
+4704
+4705def or_(*expressions, dialect=None, copy=True, **opts) -> Or:
+4706    """
+4707    Combine multiple conditions with an OR logical operator.
 4708
-4709def alias_(
-4710    expression: ExpOrStr,
-4711    alias: str | Identifier,
-4712    table: bool | t.Sequence[str | Identifier] = False,
-4713    quoted: t.Optional[bool] = None,
-4714    dialect: DialectType = None,
-4715    **opts,
-4716):
-4717    """Create an Alias expression.
-4718
-4719    Example:
-4720        >>> alias_('foo', 'bar').sql()
-4721        'foo AS bar'
-4722
-4723        >>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql()
-4724        '(SELECT 1, 2) AS bar(a, b)'
+4709    Example:
+4710        >>> or_("x=1", or_("y=1", "z=1")).sql()
+4711        'x = 1 OR (y = 1 OR z = 1)'
+4712
+4713    Args:
+4714        *expressions (str | Expression): the SQL code strings to parse.
+4715            If an Expression instance is passed, this is used as-is.
+4716        dialect (str): the dialect used to parse the input expression.
+4717        copy (bool): whether or not to copy `expressions` (only applies to Expressions).
+4718        **opts: other options to use to parse the input expressions.
+4719
+4720    Returns:
+4721        Or: the new condition
+4722    """
+4723    return _combine(expressions, Or, dialect, copy=copy, **opts)
+4724
 4725
-4726    Args:
-4727        expression: the SQL code strings to parse.
-4728            If an Expression instance is passed, this is used as-is.
-4729        alias: the alias name to use. If the name has
-4730            special characters it is quoted.
-4731        table: Whether or not to create a table alias, can also be a list of columns.
-4732        quoted: whether or not to quote the alias
-4733        dialect: the dialect used to parse the input expression.
-4734        **opts: other options to use to parse the input expressions.
-4735
-4736    Returns:
-4737        Alias: the aliased expression
-4738    """
-4739    exp = maybe_parse(expression, dialect=dialect, **opts)
-4740    alias = to_identifier(alias, quoted=quoted)
-4741
-4742    if table:
-4743        table_alias = TableAlias(this=alias)
-4744
-4745        exp = exp.copy() if isinstance(expression, Expression) else exp
-4746        exp.set("alias", table_alias)
-4747
-4748        if not isinstance(table, bool):
-4749            for column in table:
-4750                table_alias.append("columns", to_identifier(column, quoted=quoted))
+4726def not_(expression, dialect=None, copy=True, **opts) -> Not:
+4727    """
+4728    Wrap a condition with a NOT operator.
+4729
+4730    Example:
+4731        >>> not_("this_suit='black'").sql()
+4732        "NOT this_suit = 'black'"
+4733
+4734    Args:
+4735        expression (str | Expression): the SQL code strings to parse.
+4736            If an Expression instance is passed, this is used as-is.
+4737        dialect (str): the dialect used to parse the input expression.
+4738        **opts: other options to use to parse the input expressions.
+4739
+4740    Returns:
+4741        Not: the new condition
+4742    """
+4743    this = condition(
+4744        expression,
+4745        dialect=dialect,
+4746        copy=copy,
+4747        **opts,
+4748    )
+4749    return Not(this=_wrap(this, Connector))
+4750
 4751
-4752        return exp
-4753
-4754    # We don't set the "alias" arg for Window expressions, because that would add an IDENTIFIER node in
-4755    # the AST, representing a "named_window" [1] construct (eg. bigquery). What we want is an ALIAS node
-4756    # for the complete Window expression.
-4757    #
-4758    # [1]: https://cloud.google.com/bigquery/docs/reference/standard-sql/window-function-calls
-4759
-4760    if "alias" in exp.arg_types and not isinstance(exp, Window):
-4761        exp = exp.copy()
-4762        exp.set("alias", alias)
-4763        return exp
-4764    return Alias(this=exp, alias=alias)
-4765
-4766
-4767def subquery(expression, alias=None, dialect=None, **opts):
-4768    """
-4769    Build a subquery expression.
-4770
-4771    Example:
-4772        >>> subquery('select x from tbl', 'bar').select('x').sql()
-4773        'SELECT x FROM (SELECT x FROM tbl) AS bar'
-4774
-4775    Args:
-4776        expression (str | Expression): the SQL code strings to parse.
-4777            If an Expression instance is passed, this is used as-is.
-4778        alias (str | Expression): the alias name to use.
-4779        dialect (str): the dialect used to parse the input expression.
-4780        **opts: other options to use to parse the input expressions.
-4781
-4782    Returns:
-4783        Select: a new select with the subquery expression included
-4784    """
-4785
-4786    expression = maybe_parse(expression, dialect=dialect, **opts).subquery(alias)
-4787    return Select().from_(expression, dialect=dialect, **opts)
-4788
-4789
-4790def column(
-4791    col: str | Identifier,
-4792    table: t.Optional[str | Identifier] = None,
-4793    db: t.Optional[str | Identifier] = None,
-4794    catalog: t.Optional[str | Identifier] = None,
-4795    quoted: t.Optional[bool] = None,
-4796) -> Column:
-4797    """
-4798    Build a Column.
-4799
-4800    Args:
-4801        col: column name
-4802        table: table name
-4803        db: db name
-4804        catalog: catalog name
-4805        quoted: whether or not to force quote each part
-4806    Returns:
-4807        Column: column instance
-4808    """
-4809    return Column(
-4810        this=to_identifier(col, quoted=quoted),
-4811        table=to_identifier(table, quoted=quoted),
-4812        db=to_identifier(db, quoted=quoted),
-4813        catalog=to_identifier(catalog, quoted=quoted),
+4752def paren(expression, copy=True) -> Paren:
+4753    return Paren(this=_maybe_copy(expression, copy))
+4754
+4755
+4756SAFE_IDENTIFIER_RE = re.compile(r"^[_a-zA-Z][\w]*$")
+4757
+4758
+4759@t.overload
+4760def to_identifier(name: None, quoted: t.Optional[bool] = None) -> None:
+4761    ...
+4762
+4763
+4764@t.overload
+4765def to_identifier(name: str | Identifier, quoted: t.Optional[bool] = None) -> Identifier:
+4766    ...
+4767
+4768
+4769def to_identifier(name, quoted=None):
+4770    """Builds an identifier.
+4771
+4772    Args:
+4773        name: The name to turn into an identifier.
+4774        quoted: Whether or not force quote the identifier.
+4775
+4776    Returns:
+4777        The identifier ast node.
+4778    """
+4779
+4780    if name is None:
+4781        return None
+4782
+4783    if isinstance(name, Identifier):
+4784        identifier = name
+4785    elif isinstance(name, str):
+4786        identifier = Identifier(
+4787            this=name,
+4788            quoted=not SAFE_IDENTIFIER_RE.match(name) if quoted is None else quoted,
+4789        )
+4790    else:
+4791        raise ValueError(f"Name needs to be a string or an Identifier, got: {name.__class__}")
+4792    return identifier
+4793
+4794
+4795INTERVAL_STRING_RE = re.compile(r"\s*([0-9]+)\s*([a-zA-Z]+)\s*")
+4796
+4797
+4798def to_interval(interval: str | Literal) -> Interval:
+4799    """Builds an interval expression from a string like '1 day' or '5 months'."""
+4800    if isinstance(interval, Literal):
+4801        if not interval.is_string:
+4802            raise ValueError("Invalid interval string.")
+4803
+4804        interval = interval.this
+4805
+4806    interval_parts = INTERVAL_STRING_RE.match(interval)  # type: ignore
+4807
+4808    if not interval_parts:
+4809        raise ValueError("Invalid interval string.")
+4810
+4811    return Interval(
+4812        this=Literal.string(interval_parts.group(1)),
+4813        unit=Var(this=interval_parts.group(2)),
 4814    )
 4815
 4816
-4817def cast(expression: ExpOrStr, to: str | DataType | DataType.Type, **opts) -> Cast:
-4818    """Cast an expression to a data type.
-4819
-4820    Example:
-4821        >>> cast('x + 1', 'int').sql()
-4822        'CAST(x + 1 AS INT)'
-4823
-4824    Args:
-4825        expression: The expression to cast.
-4826        to: The datatype to cast to.
-4827
-4828    Returns:
-4829        A cast node.
-4830    """
-4831    expression = maybe_parse(expression, **opts)
-4832    return Cast(this=expression, to=DataType.build(to, **opts))
-4833
+4817@t.overload
+4818def to_table(sql_path: str | Table, **kwargs) -> Table:
+4819    ...
+4820
+4821
+4822@t.overload
+4823def to_table(sql_path: None, **kwargs) -> None:
+4824    ...
+4825
+4826
+4827def to_table(sql_path: t.Optional[str | Table], **kwargs) -> t.Optional[Table]:
+4828    """
+4829    Create a table expression from a `[catalog].[schema].[table]` sql path. Catalog and schema are optional.
+4830    If a table is passed in then that table is returned.
+4831
+4832    Args:
+4833        sql_path: a `[catalog].[schema].[table]` string.
 4834
-4835def table_(table, db=None, catalog=None, quoted=None, alias=None) -> Table:
-4836    """Build a Table.
-4837
-4838    Args:
-4839        table (str | Expression): column name
-4840        db (str | Expression): db name
-4841        catalog (str | Expression): catalog name
+4835    Returns:
+4836        A table expression.
+4837    """
+4838    if sql_path is None or isinstance(sql_path, Table):
+4839        return sql_path
+4840    if not isinstance(sql_path, str):
+4841        raise ValueError(f"Invalid type provided for a table: {type(sql_path)}")
 4842
-4843    Returns:
-4844        Table: table instance
-4845    """
-4846    return Table(
-4847        this=to_identifier(table, quoted=quoted),
-4848        db=to_identifier(db, quoted=quoted),
-4849        catalog=to_identifier(catalog, quoted=quoted),
-4850        alias=TableAlias(this=to_identifier(alias)) if alias else None,
-4851    )
+4843    catalog, db, table_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 3))
+4844    return Table(this=table_name, db=db, catalog=catalog, **kwargs)
+4845
+4846
+4847def to_column(sql_path: str | Column, **kwargs) -> Column:
+4848    """
+4849    Create a column from a `[table].[column]` sql path. Schema is optional.
+4850
+4851    If a column is passed in then that column is returned.
 4852
-4853
-4854def values(
-4855    values: t.Iterable[t.Tuple[t.Any, ...]],
-4856    alias: t.Optional[str] = None,
-4857    columns: t.Optional[t.Iterable[str] | t.Dict[str, DataType]] = None,
-4858) -> Values:
-4859    """Build VALUES statement.
-4860
-4861    Example:
-4862        >>> values([(1, '2')]).sql()
-4863        "VALUES (1, '2')"
+4853    Args:
+4854        sql_path: `[table].[column]` string
+4855    Returns:
+4856        Table: A column expression
+4857    """
+4858    if sql_path is None or isinstance(sql_path, Column):
+4859        return sql_path
+4860    if not isinstance(sql_path, str):
+4861        raise ValueError(f"Invalid type provided for column: {type(sql_path)}")
+4862    return column(*reversed(sql_path.split(".")), **kwargs)  # type: ignore
+4863
 4864
-4865    Args:
-4866        values: values statements that will be converted to SQL
-4867        alias: optional alias
-4868        columns: Optional list of ordered column names or ordered dictionary of column names to types.
-4869         If either are provided then an alias is also required.
-4870         If a dictionary is provided then the first column of the values will be casted to the expected type
-4871         in order to help with type inference.
-4872
-4873    Returns:
-4874        Values: the Values expression object
-4875    """
-4876    if columns and not alias:
-4877        raise ValueError("Alias is required when providing columns")
-4878    table_alias = (
-4879        TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns])
-4880        if columns
-4881        else TableAlias(this=to_identifier(alias) if alias else None)
-4882    )
-4883    expressions = [convert(tup) for tup in values]
-4884    if columns and isinstance(columns, dict):
-4885        types = list(columns.values())
-4886        expressions[0].set(
-4887            "expressions",
-4888            [cast(x, types[i]) for i, x in enumerate(expressions[0].expressions)],
-4889        )
-4890    return Values(
-4891        expressions=expressions,
-4892        alias=table_alias,
-4893    )
-4894
-4895
-4896def var(name: t.Optional[ExpOrStr]) -> Var:
-4897    """Build a SQL variable.
-4898
-4899    Example:
-4900        >>> repr(var('x'))
-4901        '(VAR this: x)'
-4902
-4903        >>> repr(var(column('x', table='y')))
-4904        '(VAR this: x)'
-4905
-4906    Args:
-4907        name: The name of the var or an expression who's name will become the var.
-4908
-4909    Returns:
-4910        The new variable node.
-4911    """
-4912    if not name:
-4913        raise ValueError("Cannot convert empty name into var.")
-4914
-4915    if isinstance(name, Expression):
-4916        name = name.name
-4917    return Var(this=name)
-4918
-4919
-4920def rename_table(old_name: str | Table, new_name: str | Table) -> AlterTable:
-4921    """Build ALTER TABLE... RENAME... expression
+4865def alias_(
+4866    expression: ExpOrStr,
+4867    alias: str | Identifier,
+4868    table: bool | t.Sequence[str | Identifier] = False,
+4869    quoted: t.Optional[bool] = None,
+4870    dialect: DialectType = None,
+4871    **opts,
+4872):
+4873    """Create an Alias expression.
+4874
+4875    Example:
+4876        >>> alias_('foo', 'bar').sql()
+4877        'foo AS bar'
+4878
+4879        >>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql()
+4880        '(SELECT 1, 2) AS bar(a, b)'
+4881
+4882    Args:
+4883        expression: the SQL code strings to parse.
+4884            If an Expression instance is passed, this is used as-is.
+4885        alias: the alias name to use. If the name has
+4886            special characters it is quoted.
+4887        table: Whether or not to create a table alias, can also be a list of columns.
+4888        quoted: whether or not to quote the alias
+4889        dialect: the dialect used to parse the input expression.
+4890        **opts: other options to use to parse the input expressions.
+4891
+4892    Returns:
+4893        Alias: the aliased expression
+4894    """
+4895    exp = maybe_parse(expression, dialect=dialect, **opts)
+4896    alias = to_identifier(alias, quoted=quoted)
+4897
+4898    if table:
+4899        table_alias = TableAlias(this=alias)
+4900
+4901        exp = exp.copy() if isinstance(expression, Expression) else exp
+4902        exp.set("alias", table_alias)
+4903
+4904        if not isinstance(table, bool):
+4905            for column in table:
+4906                table_alias.append("columns", to_identifier(column, quoted=quoted))
+4907
+4908        return exp
+4909
+4910    # We don't set the "alias" arg for Window expressions, because that would add an IDENTIFIER node in
+4911    # the AST, representing a "named_window" [1] construct (eg. bigquery). What we want is an ALIAS node
+4912    # for the complete Window expression.
+4913    #
+4914    # [1]: https://cloud.google.com/bigquery/docs/reference/standard-sql/window-function-calls
+4915
+4916    if "alias" in exp.arg_types and not isinstance(exp, Window):
+4917        exp = exp.copy()
+4918        exp.set("alias", alias)
+4919        return exp
+4920    return Alias(this=exp, alias=alias)
+4921
 4922
-4923    Args:
-4924        old_name: The old name of the table
-4925        new_name: The new name of the table
+4923def subquery(expression, alias=None, dialect=None, **opts):
+4924    """
+4925    Build a subquery expression.
 4926
-4927    Returns:
-4928        Alter table expression
-4929    """
-4930    old_table = to_table(old_name)
-4931    new_table = to_table(new_name)
-4932    return AlterTable(
-4933        this=old_table,
-4934        actions=[
-4935            RenameTable(this=new_table),
-4936        ],
-4937    )
-4938
-4939
-4940def convert(value) -> Expression:
-4941    """Convert a python value into an expression object.
-4942
-4943    Raises an error if a conversion is not possible.
+4927    Example:
+4928        >>> subquery('select x from tbl', 'bar').select('x').sql()
+4929        'SELECT x FROM (SELECT x FROM tbl) AS bar'
+4930
+4931    Args:
+4932        expression (str | Expression): the SQL code strings to parse.
+4933            If an Expression instance is passed, this is used as-is.
+4934        alias (str | Expression): the alias name to use.
+4935        dialect (str): the dialect used to parse the input expression.
+4936        **opts: other options to use to parse the input expressions.
+4937
+4938    Returns:
+4939        Select: a new select with the subquery expression included
+4940    """
+4941
+4942    expression = maybe_parse(expression, dialect=dialect, **opts).subquery(alias)
+4943    return Select().from_(expression, dialect=dialect, **opts)
 4944
-4945    Args:
-4946        value (Any): a python object
-4947
-4948    Returns:
-4949        Expression: the equivalent expression object
-4950    """
-4951    if isinstance(value, Expression):
-4952        return value
-4953    if value is None:
-4954        return NULL
-4955    if isinstance(value, bool):
-4956        return Boolean(this=value)
-4957    if isinstance(value, str):
-4958        return Literal.string(value)
-4959    if isinstance(value, float) and math.isnan(value):
-4960        return NULL
-4961    if isinstance(value, numbers.Number):
-4962        return Literal.number(value)
-4963    if isinstance(value, tuple):
-4964        return Tuple(expressions=[convert(v) for v in value])
-4965    if isinstance(value, list):
-4966        return Array(expressions=[convert(v) for v in value])
-4967    if isinstance(value, dict):
-4968        return Map(
-4969            keys=[convert(k) for k in value],
-4970            values=[convert(v) for v in value.values()],
-4971        )
-4972    if isinstance(value, datetime.datetime):
-4973        datetime_literal = Literal.string(
-4974            (value if value.tzinfo else value.replace(tzinfo=datetime.timezone.utc)).isoformat()
-4975        )
-4976        return TimeStrToTime(this=datetime_literal)
-4977    if isinstance(value, datetime.date):
-4978        date_literal = Literal.string(value.strftime("%Y-%m-%d"))
-4979        return DateStrToDate(this=date_literal)
-4980    raise ValueError(f"Cannot convert {value}")
-4981
-4982
-4983def replace_children(expression, fun, *args, **kwargs):
-4984    """
-4985    Replace children of an expression with the result of a lambda fun(child) -> exp.
+4945
+4946def column(
+4947    col: str | Identifier,
+4948    table: t.Optional[str | Identifier] = None,
+4949    db: t.Optional[str | Identifier] = None,
+4950    catalog: t.Optional[str | Identifier] = None,
+4951    quoted: t.Optional[bool] = None,
+4952) -> Column:
+4953    """
+4954    Build a Column.
+4955
+4956    Args:
+4957        col: column name
+4958        table: table name
+4959        db: db name
+4960        catalog: catalog name
+4961        quoted: whether or not to force quote each part
+4962    Returns:
+4963        Column: column instance
+4964    """
+4965    return Column(
+4966        this=to_identifier(col, quoted=quoted),
+4967        table=to_identifier(table, quoted=quoted),
+4968        db=to_identifier(db, quoted=quoted),
+4969        catalog=to_identifier(catalog, quoted=quoted),
+4970    )
+4971
+4972
+4973def cast(expression: ExpOrStr, to: str | DataType | DataType.Type, **opts) -> Cast:
+4974    """Cast an expression to a data type.
+4975
+4976    Example:
+4977        >>> cast('x + 1', 'int').sql()
+4978        'CAST(x + 1 AS INT)'
+4979
+4980    Args:
+4981        expression: The expression to cast.
+4982        to: The datatype to cast to.
+4983
+4984    Returns:
+4985        A cast node.
 4986    """
-4987    for k, v in expression.args.items():
-4988        is_list_arg = type(v) is list
+4987    expression = maybe_parse(expression, **opts)
+4988    return Cast(this=expression, to=DataType.build(to, **opts))
 4989
-4990        child_nodes = v if is_list_arg else [v]
-4991        new_child_nodes = []
-4992
-4993        for cn in child_nodes:
-4994            if isinstance(cn, Expression):
-4995                for child_node in ensure_collection(fun(cn, *args, **kwargs)):
-4996                    new_child_nodes.append(child_node)
-4997                    child_node.parent = expression
-4998                    child_node.arg_key = k
-4999            else:
-5000                new_child_nodes.append(cn)
-5001
-5002        expression.args[k] = new_child_nodes if is_list_arg else seq_get(new_child_nodes, 0)
-5003
-5004
-5005def column_table_names(expression):
-5006    """
-5007    Return all table names referenced through columns in an expression.
+4990
+4991def table_(table, db=None, catalog=None, quoted=None, alias=None) -> Table:
+4992    """Build a Table.
+4993
+4994    Args:
+4995        table (str | Expression): column name
+4996        db (str | Expression): db name
+4997        catalog (str | Expression): catalog name
+4998
+4999    Returns:
+5000        Table: table instance
+5001    """
+5002    return Table(
+5003        this=to_identifier(table, quoted=quoted),
+5004        db=to_identifier(db, quoted=quoted),
+5005        catalog=to_identifier(catalog, quoted=quoted),
+5006        alias=TableAlias(this=to_identifier(alias)) if alias else None,
+5007    )
 5008
-5009    Example:
-5010        >>> import sqlglot
-5011        >>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e"))
-5012        ['c', 'a']
-5013
-5014    Args:
-5015        expression (sqlglot.Expression): expression to find table names
+5009
+5010def values(
+5011    values: t.Iterable[t.Tuple[t.Any, ...]],
+5012    alias: t.Optional[str] = None,
+5013    columns: t.Optional[t.Iterable[str] | t.Dict[str, DataType]] = None,
+5014) -> Values:
+5015    """Build VALUES statement.
 5016
-5017    Returns:
-5018        list: A list of unique names
-5019    """
-5020    return list(dict.fromkeys(column.table for column in expression.find_all(Column)))
-5021
-5022
-5023def table_name(table) -> str:
-5024    """Get the full name of a table as a string.
-5025
-5026    Args:
-5027        table (exp.Table | str): table expression node or string.
-5028
-5029    Examples:
-5030        >>> from sqlglot import exp, parse_one
-5031        >>> table_name(parse_one("select * from a.b.c").find(exp.Table))
-5032        'a.b.c'
-5033
-5034    Returns:
-5035        The table name.
-5036    """
-5037
-5038    table = maybe_parse(table, into=Table)
-5039
-5040    if not table:
-5041        raise ValueError(f"Cannot parse {table}")
+5017    Example:
+5018        >>> values([(1, '2')]).sql()
+5019        "VALUES (1, '2')"
+5020
+5021    Args:
+5022        values: values statements that will be converted to SQL
+5023        alias: optional alias
+5024        columns: Optional list of ordered column names or ordered dictionary of column names to types.
+5025         If either are provided then an alias is also required.
+5026
+5027    Returns:
+5028        Values: the Values expression object
+5029    """
+5030    if columns and not alias:
+5031        raise ValueError("Alias is required when providing columns")
+5032
+5033    return Values(
+5034        expressions=[convert(tup) for tup in values],
+5035        alias=(
+5036            TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns])
+5037            if columns
+5038            else (TableAlias(this=to_identifier(alias)) if alias else None)
+5039        ),
+5040    )
+5041
 5042
-5043    return ".".join(
-5044        part
-5045        for part in (
-5046            table.text("catalog"),
-5047            table.text("db"),
-5048            table.name,
-5049        )
-5050        if part
-5051    )
+5043def var(name: t.Optional[ExpOrStr]) -> Var:
+5044    """Build a SQL variable.
+5045
+5046    Example:
+5047        >>> repr(var('x'))
+5048        '(VAR this: x)'
+5049
+5050        >>> repr(var(column('x', table='y')))
+5051        '(VAR this: x)'
 5052
-5053
-5054def replace_tables(expression, mapping):
-5055    """Replace all tables in expression according to the mapping.
-5056
-5057    Args:
-5058        expression (sqlglot.Expression): expression node to be transformed and replaced.
-5059        mapping (Dict[str, str]): mapping of table names.
-5060
-5061    Examples:
-5062        >>> from sqlglot import exp, parse_one
-5063        >>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql()
-5064        'SELECT * FROM c'
+5053    Args:
+5054        name: The name of the var or an expression who's name will become the var.
+5055
+5056    Returns:
+5057        The new variable node.
+5058    """
+5059    if not name:
+5060        raise ValueError("Cannot convert empty name into var.")
+5061
+5062    if isinstance(name, Expression):
+5063        name = name.name
+5064    return Var(this=name)
 5065
-5066    Returns:
-5067        The mapped expression.
-5068    """
+5066
+5067def rename_table(old_name: str | Table, new_name: str | Table) -> AlterTable:
+5068    """Build ALTER TABLE... RENAME... expression
 5069
-5070    def _replace_tables(node):
-5071        if isinstance(node, Table):
-5072            new_name = mapping.get(table_name(node))
-5073            if new_name:
-5074                return to_table(
-5075                    new_name,
-5076                    **{k: v for k, v in node.args.items() if k not in ("this", "db", "catalog")},
-5077                )
-5078        return node
-5079
-5080    return expression.transform(_replace_tables)
-5081
-5082
-5083def replace_placeholders(expression, *args, **kwargs):
-5084    """Replace placeholders in an expression.
+5070    Args:
+5071        old_name: The old name of the table
+5072        new_name: The new name of the table
+5073
+5074    Returns:
+5075        Alter table expression
+5076    """
+5077    old_table = to_table(old_name)
+5078    new_table = to_table(new_name)
+5079    return AlterTable(
+5080        this=old_table,
+5081        actions=[
+5082            RenameTable(this=new_table),
+5083        ],
+5084    )
 5085
-5086    Args:
-5087        expression (sqlglot.Expression): expression node to be transformed and replaced.
-5088        args: positional names that will substitute unnamed placeholders in the given order.
-5089        kwargs: keyword arguments that will substitute named placeholders.
-5090
-5091    Examples:
-5092        >>> from sqlglot import exp, parse_one
-5093        >>> replace_placeholders(
-5094        ...     parse_one("select * from :tbl where ? = ?"),
-5095        ...     exp.to_identifier("str_col"), "b", tbl=exp.to_identifier("foo")
-5096        ... ).sql()
-5097        "SELECT * FROM foo WHERE str_col = 'b'"
-5098
-5099    Returns:
-5100        The mapped expression.
-5101    """
-5102
-5103    def _replace_placeholders(node, args, **kwargs):
-5104        if isinstance(node, Placeholder):
-5105            if node.name:
-5106                new_name = kwargs.get(node.name)
-5107                if new_name:
-5108                    return convert(new_name)
-5109            else:
-5110                try:
-5111                    return convert(next(args))
-5112                except StopIteration:
-5113                    pass
-5114        return node
-5115
-5116    return expression.transform(_replace_placeholders, iter(args), **kwargs)
-5117
-5118
-5119def expand(
-5120    expression: Expression, sources: t.Dict[str, Subqueryable], copy: bool = True
-5121) -> Expression:
-5122    """Transforms an expression by expanding all referenced sources into subqueries.
-5123
-5124    Examples:
-5125        >>> from sqlglot import parse_one
-5126        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql()
-5127        'SELECT * FROM (SELECT * FROM y) AS z /* source: x */'
+5086
+5087def convert(value: t.Any, copy: bool = False) -> Expression:
+5088    """Convert a python value into an expression object.
+5089
+5090    Raises an error if a conversion is not possible.
+5091
+5092    Args:
+5093        value: A python object.
+5094        copy: Whether or not to copy `value` (only applies to Expressions and collections).
+5095
+5096    Returns:
+5097        Expression: the equivalent expression object.
+5098    """
+5099    if isinstance(value, Expression):
+5100        return _maybe_copy(value, copy)
+5101    if isinstance(value, str):
+5102        return Literal.string(value)
+5103    if isinstance(value, bool):
+5104        return Boolean(this=value)
+5105    if value is None or (isinstance(value, float) and math.isnan(value)):
+5106        return NULL
+5107    if isinstance(value, numbers.Number):
+5108        return Literal.number(value)
+5109    if isinstance(value, datetime.datetime):
+5110        datetime_literal = Literal.string(
+5111            (value if value.tzinfo else value.replace(tzinfo=datetime.timezone.utc)).isoformat()
+5112        )
+5113        return TimeStrToTime(this=datetime_literal)
+5114    if isinstance(value, datetime.date):
+5115        date_literal = Literal.string(value.strftime("%Y-%m-%d"))
+5116        return DateStrToDate(this=date_literal)
+5117    if isinstance(value, tuple):
+5118        return Tuple(expressions=[convert(v, copy=copy) for v in value])
+5119    if isinstance(value, list):
+5120        return Array(expressions=[convert(v, copy=copy) for v in value])
+5121    if isinstance(value, dict):
+5122        return Map(
+5123            keys=[convert(k, copy=copy) for k in value],
+5124            values=[convert(v, copy=copy) for v in value.values()],
+5125        )
+5126    raise ValueError(f"Cannot convert {value}")
+5127
 5128
-5129        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y"), "y": parse_one("select * from z")}).sql()
-5130        'SELECT * FROM (SELECT * FROM (SELECT * FROM z) AS y /* source: y */) AS z /* source: x */'
-5131
-5132    Args:
-5133        expression: The expression to expand.
-5134        sources: A dictionary of name to Subqueryables.
-5135        copy: Whether or not to copy the expression during transformation. Defaults to True.
-5136
-5137    Returns:
-5138        The transformed expression.
-5139    """
-5140
-5141    def _expand(node: Expression):
-5142        if isinstance(node, Table):
-5143            name = table_name(node)
-5144            source = sources.get(name)
-5145            if source:
-5146                subquery = source.subquery(node.alias or name)
-5147                subquery.comments = [f"source: {name}"]
-5148                return subquery.transform(_expand, copy=False)
-5149        return node
+5129def replace_children(expression, fun, *args, **kwargs):
+5130    """
+5131    Replace children of an expression with the result of a lambda fun(child) -> exp.
+5132    """
+5133    for k, v in expression.args.items():
+5134        is_list_arg = type(v) is list
+5135
+5136        child_nodes = v if is_list_arg else [v]
+5137        new_child_nodes = []
+5138
+5139        for cn in child_nodes:
+5140            if isinstance(cn, Expression):
+5141                for child_node in ensure_collection(fun(cn, *args, **kwargs)):
+5142                    new_child_nodes.append(child_node)
+5143                    child_node.parent = expression
+5144                    child_node.arg_key = k
+5145            else:
+5146                new_child_nodes.append(cn)
+5147
+5148        expression.args[k] = new_child_nodes if is_list_arg else seq_get(new_child_nodes, 0)
+5149
 5150
-5151    return expression.transform(_expand, copy=copy)
-5152
-5153
-5154def func(name: str, *args, dialect: DialectType = None, **kwargs) -> Func:
-5155    """
-5156    Returns a Func expression.
-5157
-5158    Examples:
-5159        >>> func("abs", 5).sql()
-5160        'ABS(5)'
-5161
-5162        >>> func("cast", this=5, to=DataType.build("DOUBLE")).sql()
-5163        'CAST(5 AS DOUBLE)'
-5164
-5165    Args:
-5166        name: the name of the function to build.
-5167        args: the args used to instantiate the function of interest.
-5168        dialect: the source dialect.
-5169        kwargs: the kwargs used to instantiate the function of interest.
-5170
-5171    Note:
-5172        The arguments `args` and `kwargs` are mutually exclusive.
-5173
-5174    Returns:
-5175        An instance of the function of interest, or an anonymous function, if `name` doesn't
-5176        correspond to an existing `sqlglot.expressions.Func` class.
-5177    """
-5178    if args and kwargs:
-5179        raise ValueError("Can't use both args and kwargs to instantiate a function.")
-5180
-5181    from sqlglot.dialects.dialect import Dialect
-5182
-5183    converted = [convert(arg) for arg in args]
-5184    kwargs = {key: convert(value) for key, value in kwargs.items()}
+5151def column_table_names(expression):
+5152    """
+5153    Return all table names referenced through columns in an expression.
+5154
+5155    Example:
+5156        >>> import sqlglot
+5157        >>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e"))
+5158        ['c', 'a']
+5159
+5160    Args:
+5161        expression (sqlglot.Expression): expression to find table names
+5162
+5163    Returns:
+5164        list: A list of unique names
+5165    """
+5166    return list(dict.fromkeys(column.table for column in expression.find_all(Column)))
+5167
+5168
+5169def table_name(table) -> str:
+5170    """Get the full name of a table as a string.
+5171
+5172    Args:
+5173        table (exp.Table | str): table expression node or string.
+5174
+5175    Examples:
+5176        >>> from sqlglot import exp, parse_one
+5177        >>> table_name(parse_one("select * from a.b.c").find(exp.Table))
+5178        'a.b.c'
+5179
+5180    Returns:
+5181        The table name.
+5182    """
+5183
+5184    table = maybe_parse(table, into=Table)
 5185
-5186    parser = Dialect.get_or_raise(dialect)().parser()
-5187    from_args_list = parser.FUNCTIONS.get(name.upper())
+5186    if not table:
+5187        raise ValueError(f"Cannot parse {table}")
 5188
-5189    if from_args_list:
-5190        function = from_args_list(converted) if converted else from_args_list.__self__(**kwargs)  # type: ignore
-5191    else:
-5192        kwargs = kwargs or {"expressions": converted}
-5193        function = Anonymous(this=name, **kwargs)
-5194
-5195    for error_message in function.error_messages(converted):
-5196        raise ValueError(error_message)
-5197
-5198    return function
+5189    return ".".join(
+5190        part
+5191        for part in (
+5192            table.text("catalog"),
+5193            table.text("db"),
+5194            table.name,
+5195        )
+5196        if part
+5197    )
+5198
 5199
-5200
-5201def true():
-5202    """
-5203    Returns a true Boolean expression.
-5204    """
-5205    return Boolean(this=True)
+5200def replace_tables(expression, mapping):
+5201    """Replace all tables in expression according to the mapping.
+5202
+5203    Args:
+5204        expression (sqlglot.Expression): expression node to be transformed and replaced.
+5205        mapping (Dict[str, str]): mapping of table names.
 5206
-5207
-5208def false():
-5209    """
-5210    Returns a false Boolean expression.
-5211    """
-5212    return Boolean(this=False)
-5213
-5214
-5215def null():
-5216    """
-5217    Returns a Null expression.
-5218    """
-5219    return Null()
-5220
-5221
-5222# TODO: deprecate this
-5223TRUE = Boolean(this=True)
-5224FALSE = Boolean(this=False)
-5225NULL = Null()
+5207    Examples:
+5208        >>> from sqlglot import exp, parse_one
+5209        >>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql()
+5210        'SELECT * FROM c'
+5211
+5212    Returns:
+5213        The mapped expression.
+5214    """
+5215
+5216    def _replace_tables(node):
+5217        if isinstance(node, Table):
+5218            new_name = mapping.get(table_name(node))
+5219            if new_name:
+5220                return to_table(
+5221                    new_name,
+5222                    **{k: v for k, v in node.args.items() if k not in ("this", "db", "catalog")},
+5223                )
+5224        return node
+5225
+5226    return expression.transform(_replace_tables)
+5227
+5228
+5229def replace_placeholders(expression, *args, **kwargs):
+5230    """Replace placeholders in an expression.
+5231
+5232    Args:
+5233        expression (sqlglot.Expression): expression node to be transformed and replaced.
+5234        args: positional names that will substitute unnamed placeholders in the given order.
+5235        kwargs: keyword arguments that will substitute named placeholders.
+5236
+5237    Examples:
+5238        >>> from sqlglot import exp, parse_one
+5239        >>> replace_placeholders(
+5240        ...     parse_one("select * from :tbl where ? = ?"),
+5241        ...     exp.to_identifier("str_col"), "b", tbl=exp.to_identifier("foo")
+5242        ... ).sql()
+5243        "SELECT * FROM foo WHERE str_col = 'b'"
+5244
+5245    Returns:
+5246        The mapped expression.
+5247    """
+5248
+5249    def _replace_placeholders(node, args, **kwargs):
+5250        if isinstance(node, Placeholder):
+5251            if node.name:
+5252                new_name = kwargs.get(node.name)
+5253                if new_name:
+5254                    return convert(new_name)
+5255            else:
+5256                try:
+5257                    return convert(next(args))
+5258                except StopIteration:
+5259                    pass
+5260        return node
+5261
+5262    return expression.transform(_replace_placeholders, iter(args), **kwargs)
+5263
+5264
+5265def expand(
+5266    expression: Expression, sources: t.Dict[str, Subqueryable], copy: bool = True
+5267) -> Expression:
+5268    """Transforms an expression by expanding all referenced sources into subqueries.
+5269
+5270    Examples:
+5271        >>> from sqlglot import parse_one
+5272        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql()
+5273        'SELECT * FROM (SELECT * FROM y) AS z /* source: x */'
+5274
+5275        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y"), "y": parse_one("select * from z")}).sql()
+5276        'SELECT * FROM (SELECT * FROM (SELECT * FROM z) AS y /* source: y */) AS z /* source: x */'
+5277
+5278    Args:
+5279        expression: The expression to expand.
+5280        sources: A dictionary of name to Subqueryables.
+5281        copy: Whether or not to copy the expression during transformation. Defaults to True.
+5282
+5283    Returns:
+5284        The transformed expression.
+5285    """
+5286
+5287    def _expand(node: Expression):
+5288        if isinstance(node, Table):
+5289            name = table_name(node)
+5290            source = sources.get(name)
+5291            if source:
+5292                subquery = source.subquery(node.alias or name)
+5293                subquery.comments = [f"source: {name}"]
+5294                return subquery.transform(_expand, copy=False)
+5295        return node
+5296
+5297    return expression.transform(_expand, copy=copy)
+5298
+5299
+5300def func(name: str, *args, dialect: DialectType = None, **kwargs) -> Func:
+5301    """
+5302    Returns a Func expression.
+5303
+5304    Examples:
+5305        >>> func("abs", 5).sql()
+5306        'ABS(5)'
+5307
+5308        >>> func("cast", this=5, to=DataType.build("DOUBLE")).sql()
+5309        'CAST(5 AS DOUBLE)'
+5310
+5311    Args:
+5312        name: the name of the function to build.
+5313        args: the args used to instantiate the function of interest.
+5314        dialect: the source dialect.
+5315        kwargs: the kwargs used to instantiate the function of interest.
+5316
+5317    Note:
+5318        The arguments `args` and `kwargs` are mutually exclusive.
+5319
+5320    Returns:
+5321        An instance of the function of interest, or an anonymous function, if `name` doesn't
+5322        correspond to an existing `sqlglot.expressions.Func` class.
+5323    """
+5324    if args and kwargs:
+5325        raise ValueError("Can't use both args and kwargs to instantiate a function.")
+5326
+5327    from sqlglot.dialects.dialect import Dialect
+5328
+5329    converted: t.List[Expression] = [maybe_parse(arg, dialect=dialect) for arg in args]
+5330    kwargs = {key: maybe_parse(value, dialect=dialect) for key, value in kwargs.items()}
+5331
+5332    parser = Dialect.get_or_raise(dialect)().parser()
+5333    from_args_list = parser.FUNCTIONS.get(name.upper())
+5334
+5335    if from_args_list:
+5336        function = from_args_list(converted) if converted else from_args_list.__self__(**kwargs)  # type: ignore
+5337    else:
+5338        kwargs = kwargs or {"expressions": converted}
+5339        function = Anonymous(this=name, **kwargs)
+5340
+5341    for error_message in function.error_messages(converted):
+5342        raise ValueError(error_message)
+5343
+5344    return function
+5345
+5346
+5347def true():
+5348    """
+5349    Returns a true Boolean expression.
+5350    """
+5351    return Boolean(this=True)
+5352
+5353
+5354def false():
+5355    """
+5356    Returns a false Boolean expression.
+5357    """
+5358    return Boolean(this=False)
+5359
+5360
+5361def null():
+5362    """
+5363    Returns a Null expression.
+5364    """
+5365    return Null()
+5366
+5367
+5368# TODO: deprecate this
+5369TRUE = Boolean(this=True)
+5370FALSE = Boolean(this=False)
+5371NULL = Null()
    • @@ -10116,7 +10295,7 @@ to check that the provided arguments don't exceed the function argument limit. 
    653class Condition(Expression):
-654    def and_(self, *expressions, dialect=None, **opts):
+654    def and_(self, *expressions, dialect=None, copy=True, **opts):
 655        """
 656        AND this condition with one or multiple expressions.
 657
@@ -10128,44 +10307,167 @@ to check that the provided arguments don't exceed the function argument limit.663            *expressions (str | Expression): the SQL code strings to parse.
 664                If an `Expression` instance is passed, it will be used as-is.
 665            dialect (str): the dialect used to parse the input expression.
-666            opts (kwargs): other options to use to parse the input expressions.
-667
-668        Returns:
-669            And: the new condition.
-670        """
-671        return and_(self, *expressions, dialect=dialect, **opts)
-672
-673    def or_(self, *expressions, dialect=None, **opts):
-674        """
-675        OR this condition with one or multiple expressions.
-676
-677        Example:
-678            >>> condition("x=1").or_("y=1").sql()
-679            'x = 1 OR y = 1'
-680
-681        Args:
-682            *expressions (str | Expression): the SQL code strings to parse.
-683                If an `Expression` instance is passed, it will be used as-is.
-684            dialect (str): the dialect used to parse the input expression.
-685            opts (kwargs): other options to use to parse the input expressions.
-686
-687        Returns:
-688            Or: the new condition.
-689        """
-690        return or_(self, *expressions, dialect=dialect, **opts)
-691
-692    def not_(self):
-693        """
-694        Wrap this condition with NOT.
-695
-696        Example:
-697            >>> condition("x=1").not_().sql()
-698            'NOT x = 1'
-699
-700        Returns:
-701            Not: the new condition.
-702        """
-703        return not_(self)
+666            copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
+667            opts (kwargs): other options to use to parse the input expressions.
+668
+669        Returns:
+670            And: the new condition.
+671        """
+672        return and_(self, *expressions, dialect=dialect, copy=copy, **opts)
+673
+674    def or_(self, *expressions, dialect=None, copy=True, **opts):
+675        """
+676        OR this condition with one or multiple expressions.
+677
+678        Example:
+679            >>> condition("x=1").or_("y=1").sql()
+680            'x = 1 OR y = 1'
+681
+682        Args:
+683            *expressions (str | Expression): the SQL code strings to parse.
+684                If an `Expression` instance is passed, it will be used as-is.
+685            dialect (str): the dialect used to parse the input expression.
+686            copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
+687            opts (kwargs): other options to use to parse the input expressions.
+688
+689        Returns:
+690            Or: the new condition.
+691        """
+692        return or_(self, *expressions, dialect=dialect, copy=copy, **opts)
+693
+694    def not_(self, copy=True):
+695        """
+696        Wrap this condition with NOT.
+697
+698        Example:
+699            >>> condition("x=1").not_().sql()
+700            'NOT x = 1'
+701
+702        Args:
+703            copy (bool): whether or not to copy this object.
+704
+705        Returns:
+706            Not: the new condition.
+707        """
+708        return not_(self, copy=copy)
+709
+710    def _binop(self, klass: t.Type[E], other: ExpOrStr, reverse=False) -> E:
+711        this = self.copy()
+712        other = convert(other, copy=True)
+713        if not isinstance(this, klass) and not isinstance(other, klass):
+714            this = _wrap(this, Binary)
+715            other = _wrap(other, Binary)
+716        if reverse:
+717            return klass(this=other, expression=this)
+718        return klass(this=this, expression=other)
+719
+720    def __getitem__(self, other: ExpOrStr | t.Tuple[ExpOrStr]):
+721        return Bracket(
+722            this=self.copy(), expressions=[convert(e, copy=True) for e in ensure_list(other)]
+723        )
+724
+725    def isin(
+726        self, *expressions: t.Any, query: t.Optional[ExpOrStr] = None, copy=True, **opts
+727    ) -> In:
+728        return In(
+729            this=_maybe_copy(self, copy),
+730            expressions=[convert(e, copy=copy) for e in expressions],
+731            query=maybe_parse(query, copy=copy, **opts) if query else None,
+732        )
+733
+734    def between(self, low: t.Any, high: t.Any, copy=True, **opts) -> Between:
+735        return Between(
+736            this=_maybe_copy(self, copy),
+737            low=convert(low, copy=copy, **opts),
+738            high=convert(high, copy=copy, **opts),
+739        )
+740
+741    def like(self, other: ExpOrStr) -> Like:
+742        return self._binop(Like, other)
+743
+744    def ilike(self, other: ExpOrStr) -> ILike:
+745        return self._binop(ILike, other)
+746
+747    def eq(self, other: ExpOrStr) -> EQ:
+748        return self._binop(EQ, other)
+749
+750    def neq(self, other: ExpOrStr) -> NEQ:
+751        return self._binop(NEQ, other)
+752
+753    def rlike(self, other: ExpOrStr) -> RegexpLike:
+754        return self._binop(RegexpLike, other)
+755
+756    def __lt__(self, other: ExpOrStr) -> LT:
+757        return self._binop(LT, other)
+758
+759    def __le__(self, other: ExpOrStr) -> LTE:
+760        return self._binop(LTE, other)
+761
+762    def __gt__(self, other: ExpOrStr) -> GT:
+763        return self._binop(GT, other)
+764
+765    def __ge__(self, other: ExpOrStr) -> GTE:
+766        return self._binop(GTE, other)
+767
+768    def __add__(self, other: ExpOrStr) -> Add:
+769        return self._binop(Add, other)
+770
+771    def __radd__(self, other: ExpOrStr) -> Add:
+772        return self._binop(Add, other, reverse=True)
+773
+774    def __sub__(self, other: ExpOrStr) -> Sub:
+775        return self._binop(Sub, other)
+776
+777    def __rsub__(self, other: ExpOrStr) -> Sub:
+778        return self._binop(Sub, other, reverse=True)
+779
+780    def __mul__(self, other: ExpOrStr) -> Mul:
+781        return self._binop(Mul, other)
+782
+783    def __rmul__(self, other: ExpOrStr) -> Mul:
+784        return self._binop(Mul, other, reverse=True)
+785
+786    def __truediv__(self, other: ExpOrStr) -> Div:
+787        return self._binop(Div, other)
+788
+789    def __rtruediv__(self, other: ExpOrStr) -> Div:
+790        return self._binop(Div, other, reverse=True)
+791
+792    def __floordiv__(self, other: ExpOrStr) -> IntDiv:
+793        return self._binop(IntDiv, other)
+794
+795    def __rfloordiv__(self, other: ExpOrStr) -> IntDiv:
+796        return self._binop(IntDiv, other, reverse=True)
+797
+798    def __mod__(self, other: ExpOrStr) -> Mod:
+799        return self._binop(Mod, other)
+800
+801    def __rmod__(self, other: ExpOrStr) -> Mod:
+802        return self._binop(Mod, other, reverse=True)
+803
+804    def __pow__(self, other: ExpOrStr) -> Pow:
+805        return self._binop(Pow, other)
+806
+807    def __rpow__(self, other: ExpOrStr) -> Pow:
+808        return self._binop(Pow, other, reverse=True)
+809
+810    def __and__(self, other: ExpOrStr) -> And:
+811        return self._binop(And, other)
+812
+813    def __rand__(self, other: ExpOrStr) -> And:
+814        return self._binop(And, other, reverse=True)
+815
+816    def __or__(self, other: ExpOrStr) -> Or:
+817        return self._binop(Or, other)
+818
+819    def __ror__(self, other: ExpOrStr) -> Or:
+820        return self._binop(Or, other, reverse=True)
+821
+822    def __neg__(self) -> Neg:
+823        return Neg(this=_wrap(self.copy(), Binary))
+824
+825    def __invert__(self) -> Not:
+826        return not_(self.copy())
    @@ -10176,13 +10478,13 @@ to check that the provided arguments don't exceed the function argument limit. def - and_(self, *expressions, dialect=None, **opts): + and_(self, *expressions, dialect=None, copy=True, **opts): - 
    654    def and_(self, *expressions, dialect=None, **opts):
+            
    654    def and_(self, *expressions, dialect=None, copy=True, **opts):
 655        """
 656        AND this condition with one or multiple expressions.
 657
@@ -10194,12 +10496,13 @@ to check that the provided arguments don't exceed the function argument limit.663            *expressions (str | Expression): the SQL code strings to parse.
 664                If an `Expression` instance is passed, it will be used as-is.
 665            dialect (str): the dialect used to parse the input expression.
-666            opts (kwargs): other options to use to parse the input expressions.
-667
-668        Returns:
-669            And: the new condition.
-670        """
-671        return and_(self, *expressions, dialect=dialect, **opts)
+666            copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
+667            opts (kwargs): other options to use to parse the input expressions.
+668
+669        Returns:
+670            And: the new condition.
+671        """
+672        return and_(self, *expressions, dialect=dialect, copy=copy, **opts)
 
    
 
 
@@ -10221,6 +10524,7 @@ to check that the provided arguments don't exceed the function argument limit.*expressions (str | Expression):  the SQL code strings to parse.
 If an Expression instance is passed, it will be used as-is.
 
  • dialect (str):  the dialect used to parse the input expression.
    • 
+
  • copy (bool):  whether or not to copy the involved expressions (only applies to Expressions).
    • 
 
  • opts (kwargs):  other options to use to parse the input expressions.
    • 
 
 
@@ -10238,30 +10542,31 @@ If an Expression instance is passed, it w
 
    
             
         def
-        or_(self, *expressions, dialect=None, **opts):
+        or_(self, *expressions, dialect=None, copy=True, **opts):
 
                 
 
     
    
     
-            
    673    def or_(self, *expressions, dialect=None, **opts):
-674        """
-675        OR this condition with one or multiple expressions.
-676
-677        Example:
-678            >>> condition("x=1").or_("y=1").sql()
-679            'x = 1 OR y = 1'
-680
-681        Args:
-682            *expressions (str | Expression): the SQL code strings to parse.
-683                If an `Expression` instance is passed, it will be used as-is.
-684            dialect (str): the dialect used to parse the input expression.
-685            opts (kwargs): other options to use to parse the input expressions.
-686
-687        Returns:
-688            Or: the new condition.
-689        """
-690        return or_(self, *expressions, dialect=dialect, **opts)
+            
    674    def or_(self, *expressions, dialect=None, copy=True, **opts):
+675        """
+676        OR this condition with one or multiple expressions.
+677
+678        Example:
+679            >>> condition("x=1").or_("y=1").sql()
+680            'x = 1 OR y = 1'
+681
+682        Args:
+683            *expressions (str | Expression): the SQL code strings to parse.
+684                If an `Expression` instance is passed, it will be used as-is.
+685            dialect (str): the dialect used to parse the input expression.
+686            copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
+687            opts (kwargs): other options to use to parse the input expressions.
+688
+689        Returns:
+690            Or: the new condition.
+691        """
+692        return or_(self, *expressions, dialect=dialect, copy=copy, **opts)
 
    
 
 
@@ -10283,6 +10588,7 @@ If an Expression instance is passed, it w
 
  • *expressions (str | Expression):  the SQL code strings to parse.
 If an Expression instance is passed, it will be used as-is.
    • 
 
  • dialect (str):  the dialect used to parse the input expression.
    • 
+
  • copy (bool):  whether or not to copy the involved expressions (only applies to Expressions).
    • 
 
  • opts (kwargs):  other options to use to parse the input expressions.
    • 
 
 
@@ -10300,24 +10606,27 @@ If an Expression instance is passed, it w
 
    
             
         def
-        not_(self):
+        not_(self, copy=True):
 
                 
 
     
    
     
-            
    692    def not_(self):
-693        """
-694        Wrap this condition with NOT.
-695
-696        Example:
-697            >>> condition("x=1").not_().sql()
-698            'NOT x = 1'
-699
-700        Returns:
-701            Not: the new condition.
-702        """
-703        return not_(self)
+            
    694    def not_(self, copy=True):
+695        """
+696        Wrap this condition with NOT.
+697
+698        Example:
+699            >>> condition("x=1").not_().sql()
+700            'NOT x = 1'
+701
+702        Args:
+703            copy (bool): whether or not to copy this object.
+704
+705        Returns:
+706            Not: the new condition.
+707        """
+708        return not_(self, copy=copy)
 
    
 
 
@@ -10333,6 +10642,12 @@ If an Expression instance is passed, it w
   
    
 
 
+
    Arguments:
    
+
+
      
+
    • copy (bool):  whether or not to copy this object.
      • 
+
    
+
 
    Returns:
    
 
 
    
@@ -10341,6 +10656,149 @@ If an Expression instance is passed, it w
 
    
 
 
+
    +
    + +
    + + def + isin( self, *expressions: Any, query: Union[str, sqlglot.expressions.Expression, NoneType] = None, copy=True, **opts) -> sqlglot.expressions.In: + + + +
    + + 
    725    def isin(
+726        self, *expressions: t.Any, query: t.Optional[ExpOrStr] = None, copy=True, **opts
+727    ) -> In:
+728        return In(
+729            this=_maybe_copy(self, copy),
+730            expressions=[convert(e, copy=copy) for e in expressions],
+731            query=maybe_parse(query, copy=copy, **opts) if query else None,
+732        )
+
    + + + + +
    +
    + +
    + + def + between( self, low: Any, high: Any, copy=True, **opts) -> sqlglot.expressions.Between: + + + +
    + + 
    734    def between(self, low: t.Any, high: t.Any, copy=True, **opts) -> Between:
+735        return Between(
+736            this=_maybe_copy(self, copy),
+737            low=convert(low, copy=copy, **opts),
+738            high=convert(high, copy=copy, **opts),
+739        )
+
    + + + + +
    +
    + +
    + + def + like( self, other: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.Like: + + + +
    + + 
    741    def like(self, other: ExpOrStr) -> Like:
+742        return self._binop(Like, other)
+
    + + + + +
    +
    + +
    + + def + ilike( self, other: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.ILike: + + + +
    + + 
    744    def ilike(self, other: ExpOrStr) -> ILike:
+745        return self._binop(ILike, other)
+
    + + + + +
    +
    + +
    + + def + eq( self, other: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.EQ: + + + +
    + + 
    747    def eq(self, other: ExpOrStr) -> EQ:
+748        return self._binop(EQ, other)
+
    + + + + +
    +
    + +
    + + def + neq( self, other: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.NEQ: + + + +
    + + 
    750    def neq(self, other: ExpOrStr) -> NEQ:
+751        return self._binop(NEQ, other)
+
    + + + + +
    +
    + +
    + + def + rlike( self, other: Union[str, sqlglot.expressions.Expression]) -> sqlglot.expressions.RegexpLike: + + + +
    + + 
    753    def rlike(self, other: ExpOrStr) -> RegexpLike:
+754        return self._binop(RegexpLike, other)
+
    + + + +
    Inherited Members
    @@ -10399,8 +10857,8 @@ If an Expression instance is passed, it w
    - 
    706class Predicate(Condition):
-707    """Relationships like x = y, x > 1, x >= y."""
+            
    829class Predicate(Condition):
+830    """Relationships like x = y, x > 1, x >= y."""
 
    
 
 
@@ -10455,6 +10913,13 @@ If an Expression instance is passed, it w
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -10471,26 +10936,26 @@ If an Expression instance is passed, it w - 
    710class DerivedTable(Expression):
-711    @property
-712    def alias_column_names(self):
-713        table_alias = self.args.get("alias")
-714        if not table_alias:
-715            return []
-716        column_list = table_alias.assert_is(TableAlias).args.get("columns") or []
-717        return [c.name for c in column_list]
-718
-719    @property
-720    def selects(self):
-721        alias = self.args.get("alias")
-722
-723        if alias:
-724            return alias.columns
-725        return []
-726
-727    @property
-728    def named_selects(self):
-729        return [select.output_name for select in self.selects]
+            
    833class DerivedTable(Expression):
+834    @property
+835    def alias_column_names(self):
+836        table_alias = self.args.get("alias")
+837        if not table_alias:
+838            return []
+839        column_list = table_alias.assert_is(TableAlias).args.get("columns") or []
+840        return [c.name for c in column_list]
+841
+842    @property
+843    def selects(self):
+844        alias = self.args.get("alias")
+845
+846        if alias:
+847            return alias.columns
+848        return []
+849
+850    @property
+851    def named_selects(self):
+852        return [select.output_name for select in self.selects]
 
    
 
 
@@ -10553,66 +11018,66 @@ If an Expression instance is passed, it w
    - 
    732class Unionable(Expression):
-733    def union(self, expression, distinct=True, dialect=None, **opts):
-734        """
-735        Builds a UNION expression.
-736
-737        Example:
-738            >>> import sqlglot
-739            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
-740            'SELECT * FROM foo UNION SELECT * FROM bla'
-741
-742        Args:
-743            expression (str | Expression): the SQL code string.
-744                If an `Expression` instance is passed, it will be used as-is.
-745            distinct (bool): set the DISTINCT flag if and only if this is true.
-746            dialect (str): the dialect used to parse the input expression.
-747            opts (kwargs): other options to use to parse the input expressions.
-748        Returns:
-749            Union: the Union expression.
-750        """
-751        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
-752
-753    def intersect(self, expression, distinct=True, dialect=None, **opts):
-754        """
-755        Builds an INTERSECT expression.
-756
-757        Example:
-758            >>> import sqlglot
-759            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
-760            'SELECT * FROM foo INTERSECT SELECT * FROM bla'
-761
-762        Args:
-763            expression (str | Expression): the SQL code string.
-764                If an `Expression` instance is passed, it will be used as-is.
-765            distinct (bool): set the DISTINCT flag if and only if this is true.
-766            dialect (str): the dialect used to parse the input expression.
-767            opts (kwargs): other options to use to parse the input expressions.
-768        Returns:
-769            Intersect: the Intersect expression
-770        """
-771        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
-772
-773    def except_(self, expression, distinct=True, dialect=None, **opts):
-774        """
-775        Builds an EXCEPT expression.
-776
-777        Example:
-778            >>> import sqlglot
-779            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
-780            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
-781
-782        Args:
-783            expression (str | Expression): the SQL code string.
-784                If an `Expression` instance is passed, it will be used as-is.
-785            distinct (bool): set the DISTINCT flag if and only if this is true.
-786            dialect (str): the dialect used to parse the input expression.
-787            opts (kwargs): other options to use to parse the input expressions.
-788        Returns:
-789            Except: the Except expression
-790        """
-791        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+            
    855class Unionable(Expression):
+856    def union(self, expression, distinct=True, dialect=None, **opts):
+857        """
+858        Builds a UNION expression.
+859
+860        Example:
+861            >>> import sqlglot
+862            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
+863            'SELECT * FROM foo UNION SELECT * FROM bla'
+864
+865        Args:
+866            expression (str | Expression): the SQL code string.
+867                If an `Expression` instance is passed, it will be used as-is.
+868            distinct (bool): set the DISTINCT flag if and only if this is true.
+869            dialect (str): the dialect used to parse the input expression.
+870            opts (kwargs): other options to use to parse the input expressions.
+871        Returns:
+872            Union: the Union expression.
+873        """
+874        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+875
+876    def intersect(self, expression, distinct=True, dialect=None, **opts):
+877        """
+878        Builds an INTERSECT expression.
+879
+880        Example:
+881            >>> import sqlglot
+882            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
+883            'SELECT * FROM foo INTERSECT SELECT * FROM bla'
+884
+885        Args:
+886            expression (str | Expression): the SQL code string.
+887                If an `Expression` instance is passed, it will be used as-is.
+888            distinct (bool): set the DISTINCT flag if and only if this is true.
+889            dialect (str): the dialect used to parse the input expression.
+890            opts (kwargs): other options to use to parse the input expressions.
+891        Returns:
+892            Intersect: the Intersect expression
+893        """
+894        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+895
+896    def except_(self, expression, distinct=True, dialect=None, **opts):
+897        """
+898        Builds an EXCEPT expression.
+899
+900        Example:
+901            >>> import sqlglot
+902            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
+903            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
+904
+905        Args:
+906            expression (str | Expression): the SQL code string.
+907                If an `Expression` instance is passed, it will be used as-is.
+908            distinct (bool): set the DISTINCT flag if and only if this is true.
+909            dialect (str): the dialect used to parse the input expression.
+910            opts (kwargs): other options to use to parse the input expressions.
+911        Returns:
+912            Except: the Except expression
+913        """
+914        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
 
    
 
 
@@ -10629,25 +11094,25 @@ If an Expression instance is passed, it w
    - 
    733    def union(self, expression, distinct=True, dialect=None, **opts):
-734        """
-735        Builds a UNION expression.
-736
-737        Example:
-738            >>> import sqlglot
-739            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
-740            'SELECT * FROM foo UNION SELECT * FROM bla'
-741
-742        Args:
-743            expression (str | Expression): the SQL code string.
-744                If an `Expression` instance is passed, it will be used as-is.
-745            distinct (bool): set the DISTINCT flag if and only if this is true.
-746            dialect (str): the dialect used to parse the input expression.
-747            opts (kwargs): other options to use to parse the input expressions.
-748        Returns:
-749            Union: the Union expression.
-750        """
-751        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+            
    856    def union(self, expression, distinct=True, dialect=None, **opts):
+857        """
+858        Builds a UNION expression.
+859
+860        Example:
+861            >>> import sqlglot
+862            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
+863            'SELECT * FROM foo UNION SELECT * FROM bla'
+864
+865        Args:
+866            expression (str | Expression): the SQL code string.
+867                If an `Expression` instance is passed, it will be used as-is.
+868            distinct (bool): set the DISTINCT flag if and only if this is true.
+869            dialect (str): the dialect used to parse the input expression.
+870            opts (kwargs): other options to use to parse the input expressions.
+871        Returns:
+872            Union: the Union expression.
+873        """
+874        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
 
    
 
 
@@ -10694,25 +11159,25 @@ If an Expression instance is passed, it w
    - 
    753    def intersect(self, expression, distinct=True, dialect=None, **opts):
-754        """
-755        Builds an INTERSECT expression.
-756
-757        Example:
-758            >>> import sqlglot
-759            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
-760            'SELECT * FROM foo INTERSECT SELECT * FROM bla'
-761
-762        Args:
-763            expression (str | Expression): the SQL code string.
-764                If an `Expression` instance is passed, it will be used as-is.
-765            distinct (bool): set the DISTINCT flag if and only if this is true.
-766            dialect (str): the dialect used to parse the input expression.
-767            opts (kwargs): other options to use to parse the input expressions.
-768        Returns:
-769            Intersect: the Intersect expression
-770        """
-771        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+            
    876    def intersect(self, expression, distinct=True, dialect=None, **opts):
+877        """
+878        Builds an INTERSECT expression.
+879
+880        Example:
+881            >>> import sqlglot
+882            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
+883            'SELECT * FROM foo INTERSECT SELECT * FROM bla'
+884
+885        Args:
+886            expression (str | Expression): the SQL code string.
+887                If an `Expression` instance is passed, it will be used as-is.
+888            distinct (bool): set the DISTINCT flag if and only if this is true.
+889            dialect (str): the dialect used to parse the input expression.
+890            opts (kwargs): other options to use to parse the input expressions.
+891        Returns:
+892            Intersect: the Intersect expression
+893        """
+894        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
 
    
 
 
@@ -10759,25 +11224,25 @@ If an Expression instance is passed, it w
    - 
    773    def except_(self, expression, distinct=True, dialect=None, **opts):
-774        """
-775        Builds an EXCEPT expression.
-776
-777        Example:
-778            >>> import sqlglot
-779            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
-780            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
-781
-782        Args:
-783            expression (str | Expression): the SQL code string.
-784                If an `Expression` instance is passed, it will be used as-is.
-785            distinct (bool): set the DISTINCT flag if and only if this is true.
-786            dialect (str): the dialect used to parse the input expression.
-787            opts (kwargs): other options to use to parse the input expressions.
-788        Returns:
-789            Except: the Except expression
-790        """
-791        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+            
    896    def except_(self, expression, distinct=True, dialect=None, **opts):
+897        """
+898        Builds an EXCEPT expression.
+899
+900        Example:
+901            >>> import sqlglot
+902            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
+903            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
+904
+905        Args:
+906            expression (str | Expression): the SQL code string.
+907                If an `Expression` instance is passed, it will be used as-is.
+908            distinct (bool): set the DISTINCT flag if and only if this is true.
+909            dialect (str): the dialect used to parse the input expression.
+910            opts (kwargs): other options to use to parse the input expressions.
+911        Returns:
+912            Except: the Except expression
+913        """
+914        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
 
    
 
 
@@ -10870,8 +11335,8 @@ If an Expression instance is passed, it w
    - 
    794class UDTF(DerivedTable, Unionable):
-795    pass
+            
    917class UDTF(DerivedTable, Unionable):
+918    pass
 
    
 
 
@@ -10940,14 +11405,14 @@ If an Expression instance is passed, it w
    - 
    798class Cache(Expression):
-799    arg_types = {
-800        "with": False,
-801        "this": True,
-802        "lazy": False,
-803        "options": False,
-804        "expression": False,
-805    }
+            
    921class Cache(Expression):
+922    arg_types = {
+923        "with": False,
+924        "this": True,
+925        "lazy": False,
+926        "options": False,
+927        "expression": False,
+928    }
 
    
 
 
@@ -11010,8 +11475,8 @@ If an Expression instance is passed, it w
    - 
    808class Uncache(Expression):
-809    arg_types = {"this": True, "exists": False}
+            
    931class Uncache(Expression):
+932    arg_types = {"this": True, "exists": False}
 
    
 
 
@@ -11074,20 +11539,20 @@ If an Expression instance is passed, it w
    - 
    812class Create(Expression):
-813    arg_types = {
-814        "with": False,
-815        "this": True,
-816        "kind": True,
-817        "expression": False,
-818        "exists": False,
-819        "properties": False,
-820        "replace": False,
-821        "unique": False,
-822        "indexes": False,
-823        "no_schema_binding": False,
-824        "begin": False,
-825    }
+            
    935class Create(Expression):
+936    arg_types = {
+937        "with": False,
+938        "this": True,
+939        "kind": True,
+940        "expression": False,
+941        "exists": False,
+942        "properties": False,
+943        "replace": False,
+944        "unique": False,
+945        "indexes": False,
+946        "no_schema_binding": False,
+947        "begin": False,
+948    }
 
    
 
 
@@ -11150,8 +11615,8 @@ If an Expression instance is passed, it w
    - 
    828class Describe(Expression):
-829    arg_types = {"this": True, "kind": False}
+            
    951class Describe(Expression):
+952    arg_types = {"this": True, "kind": False}
 
    
 
 
@@ -11214,8 +11679,8 @@ If an Expression instance is passed, it w
    - 
    832class Pragma(Expression):
-833    pass
+            
    955class Pragma(Expression):
+956    pass
 
    
 
 
@@ -11278,8 +11743,8 @@ If an Expression instance is passed, it w
    - 
    836class Set(Expression):
-837    arg_types = {"expressions": False}
+            
    959class Set(Expression):
+960    arg_types = {"expressions": False}
 
    
 
 
@@ -11342,14 +11807,14 @@ If an Expression instance is passed, it w
    - 
    840class SetItem(Expression):
-841    arg_types = {
-842        "this": False,
-843        "expressions": False,
-844        "kind": False,
-845        "collate": False,  # MySQL SET NAMES statement
-846        "global": False,
-847    }
+            
    963class SetItem(Expression):
+964    arg_types = {
+965        "this": False,
+966        "expressions": False,
+967        "kind": False,
+968        "collate": False,  # MySQL SET NAMES statement
+969        "global": False,
+970    }
 
    
 
 
@@ -11412,24 +11877,24 @@ If an Expression instance is passed, it w
    - 
    850class Show(Expression):
-851    arg_types = {
-852        "this": True,
-853        "target": False,
-854        "offset": False,
-855        "limit": False,
-856        "like": False,
-857        "where": False,
-858        "db": False,
-859        "full": False,
-860        "mutex": False,
-861        "query": False,
-862        "channel": False,
-863        "global": False,
-864        "log": False,
-865        "position": False,
-866        "types": False,
-867    }
+            
    973class Show(Expression):
+974    arg_types = {
+975        "this": True,
+976        "target": False,
+977        "offset": False,
+978        "limit": False,
+979        "like": False,
+980        "where": False,
+981        "db": False,
+982        "full": False,
+983        "mutex": False,
+984        "query": False,
+985        "channel": False,
+986        "global": False,
+987        "log": False,
+988        "position": False,
+989        "types": False,
+990    }
 
    
 
 
@@ -11492,8 +11957,8 @@ If an Expression instance is passed, it w
    - 
    870class UserDefinedFunction(Expression):
-871    arg_types = {"this": True, "expressions": False, "wrapped": False}
+            
    993class UserDefinedFunction(Expression):
+994    arg_types = {"this": True, "expressions": False, "wrapped": False}
 
    
 
 
@@ -11556,8 +12021,8 @@ If an Expression instance is passed, it w
    - 
    874class CharacterSet(Expression):
-875    arg_types = {"this": True, "default": False}
+            
    997class CharacterSet(Expression):
+998    arg_types = {"this": True, "default": False}
 
    
 
 
@@ -11620,12 +12085,12 @@ If an Expression instance is passed, it w
    - 
    878class With(Expression):
-879    arg_types = {"expressions": True, "recursive": False}
-880
-881    @property
-882    def recursive(self) -> bool:
-883        return bool(self.args.get("recursive"))
+            
    1001class With(Expression):
+1002    arg_types = {"expressions": True, "recursive": False}
+1003
+1004    @property
+1005    def recursive(self) -> bool:
+1006        return bool(self.args.get("recursive"))
 
    
 
 
@@ -11688,8 +12153,8 @@ If an Expression instance is passed, it w
    - 
    886class WithinGroup(Expression):
-887    arg_types = {"this": True, "expression": False}
+            
    1009class WithinGroup(Expression):
+1010    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -11752,8 +12217,8 @@ If an Expression instance is passed, it w
    - 
    890class CTE(DerivedTable):
-891    arg_types = {"this": True, "alias": True}
+            
    1013class CTE(DerivedTable):
+1014    arg_types = {"this": True, "alias": True}
 
    
 
 
@@ -11816,12 +12281,12 @@ If an Expression instance is passed, it w
    - 
    894class TableAlias(Expression):
-895    arg_types = {"this": False, "columns": False}
-896
-897    @property
-898    def columns(self):
-899        return self.args.get("columns") or []
+            
    1017class TableAlias(Expression):
+1018    arg_types = {"this": False, "columns": False}
+1019
+1020    @property
+1021    def columns(self):
+1022        return self.args.get("columns") or []
 
    
 
 
@@ -11884,8 +12349,8 @@ If an Expression instance is passed, it w
    - 
    902class BitString(Condition):
-903    pass
+            
    1025class BitString(Condition):
+1026    pass
 
    
 
 
@@ -11938,6 +12403,13 @@ If an Expression instance is passed, it w
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -11954,8 +12426,8 @@ If an Expression instance is passed, it w - 
    906class HexString(Condition):
-907    pass
+            
    1029class HexString(Condition):
+1030    pass
 
    
 
 
@@ -12008,6 +12480,13 @@ If an Expression instance is passed, it w
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -12024,8 +12503,8 @@ If an Expression instance is passed, it w - 
    910class ByteString(Condition):
-911    pass
+            
    1033class ByteString(Condition):
+1034    pass
 
    
 
 
@@ -12078,6 +12557,13 @@ If an Expression instance is passed, it w
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -12094,41 +12580,41 @@ If an Expression instance is passed, it w - 
    914class Column(Condition):
-915    arg_types = {"this": True, "table": False, "db": False, "catalog": False, "join_mark": False}
-916
-917    @property
-918    def table(self) -> str:
-919        return self.text("table")
-920
-921    @property
-922    def db(self) -> str:
-923        return self.text("db")
-924
-925    @property
-926    def catalog(self) -> str:
-927        return self.text("catalog")
-928
-929    @property
-930    def output_name(self) -> str:
-931        return self.name
-932
-933    @property
-934    def parts(self) -> t.List[Identifier]:
-935        """Return the parts of a column in order catalog, db, table, name."""
-936        return [part for part in reversed(list(self.args.values())) if part]
-937
-938    def to_dot(self) -> Dot:
-939        """Converts the column into a dot expression."""
-940        parts = self.parts
-941        parent = self.parent
-942
-943        while parent:
-944            if isinstance(parent, Dot):
-945                parts.append(parent.expression)
-946            parent = parent.parent
-947
-948        return Dot.build(parts)
+            
    1037class Column(Condition):
+1038    arg_types = {"this": True, "table": False, "db": False, "catalog": False, "join_mark": False}
+1039
+1040    @property
+1041    def table(self) -> str:
+1042        return self.text("table")
+1043
+1044    @property
+1045    def db(self) -> str:
+1046        return self.text("db")
+1047
+1048    @property
+1049    def catalog(self) -> str:
+1050        return self.text("catalog")
+1051
+1052    @property
+1053    def output_name(self) -> str:
+1054        return self.name
+1055
+1056    @property
+1057    def parts(self) -> t.List[Identifier]:
+1058        """Return the parts of a column in order catalog, db, table, name."""
+1059        return [part for part in reversed(list(self.args.values())) if part]
+1060
+1061    def to_dot(self) -> Dot:
+1062        """Converts the column into a dot expression."""
+1063        parts = self.parts
+1064        parent = self.parent
+1065
+1066        while parent:
+1067            if isinstance(parent, Dot):
+1068                parts.append(parent.expression)
+1069            parent = parent.parent
+1070
+1071        return Dot.build(parts)
 
    
 
 
@@ -12188,17 +12674,17 @@ If an Expression instance is passed, it w
    - 
    938    def to_dot(self) -> Dot:
-939        """Converts the column into a dot expression."""
-940        parts = self.parts
-941        parent = self.parent
-942
-943        while parent:
-944            if isinstance(parent, Dot):
-945                parts.append(parent.expression)
-946            parent = parent.parent
-947
-948        return Dot.build(parts)
+            
    1061    def to_dot(self) -> Dot:
+1062        """Converts the column into a dot expression."""
+1063        parts = self.parts
+1064        parent = self.parent
+1065
+1066        while parent:
+1067            if isinstance(parent, Dot):
+1068                parts.append(parent.expression)
+1069            parent = parent.parent
+1070
+1071        return Dot.build(parts)
 
    
 
 
@@ -12253,6 +12739,13 @@ If an Expression instance is passed, it w
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -12269,8 +12762,8 @@ If an Expression instance is passed, it w - 
    951class ColumnPosition(Expression):
-952    arg_types = {"this": False, "position": True}
+            
    1074class ColumnPosition(Expression):
+1075    arg_types = {"this": False, "position": True}
 
    
 
 
@@ -12333,14 +12826,14 @@ If an Expression instance is passed, it w
    - 
    955class ColumnDef(Expression):
-956    arg_types = {
-957        "this": True,
-958        "kind": False,
-959        "constraints": False,
-960        "exists": False,
-961        "position": False,
-962    }
+            
    1078class ColumnDef(Expression):
+1079    arg_types = {
+1080        "this": True,
+1081        "kind": False,
+1082        "constraints": False,
+1083        "exists": False,
+1084        "position": False,
+1085    }
 
    
 
 
@@ -12403,15 +12896,15 @@ If an Expression instance is passed, it w
    - 
    965class AlterColumn(Expression):
-966    arg_types = {
-967        "this": True,
-968        "dtype": False,
-969        "collate": False,
-970        "using": False,
-971        "default": False,
-972        "drop": False,
-973    }
+            
    1088class AlterColumn(Expression):
+1089    arg_types = {
+1090        "this": True,
+1091        "dtype": False,
+1092        "collate": False,
+1093        "using": False,
+1094        "default": False,
+1095        "drop": False,
+1096    }
 
    
 
 
@@ -12474,8 +12967,8 @@ If an Expression instance is passed, it w
    - 
    976class RenameTable(Expression):
-977    pass
+            
    1099class RenameTable(Expression):
+1100    pass
 
    
 
 
@@ -12538,8 +13031,8 @@ If an Expression instance is passed, it w
    - 
    980class SetTag(Expression):
-981    arg_types = {"expressions": True, "unset": False}
+            
    1103class SetTag(Expression):
+1104    arg_types = {"expressions": True, "unset": False}
 
    
 
 
@@ -12602,8 +13095,8 @@ If an Expression instance is passed, it w
    - 
    984class Comment(Expression):
-985    arg_types = {"this": True, "kind": True, "expression": True, "exists": False}
+            
    1107class Comment(Expression):
+1108    arg_types = {"this": True, "kind": True, "expression": True, "exists": False}
 
    
 
 
@@ -12666,8 +13159,8 @@ If an Expression instance is passed, it w
    - 
    988class ColumnConstraint(Expression):
-989    arg_types = {"this": False, "kind": True}
+            
    1111class ColumnConstraint(Expression):
+1112    arg_types = {"this": False, "kind": True}
 
    
 
 
@@ -12730,8 +13223,8 @@ If an Expression instance is passed, it w
    - 
    992class ColumnConstraintKind(Expression):
-993    pass
+            
    1115class ColumnConstraintKind(Expression):
+1116    pass
 
    
 
 
@@ -12794,8 +13287,8 @@ If an Expression instance is passed, it w
    - 
    996class AutoIncrementColumnConstraint(ColumnConstraintKind):
-997    pass
+            
    1119class AutoIncrementColumnConstraint(ColumnConstraintKind):
+1120    pass
 
    
 
 
@@ -12858,8 +13351,8 @@ If an Expression instance is passed, it w
    - 
    1000class CaseSpecificColumnConstraint(ColumnConstraintKind):
-1001    arg_types = {"not_": True}
+            
    1123class CaseSpecificColumnConstraint(ColumnConstraintKind):
+1124    arg_types = {"not_": True}
 
    
 
 
@@ -12922,8 +13415,8 @@ If an Expression instance is passed, it w
    - 
    1004class CharacterSetColumnConstraint(ColumnConstraintKind):
-1005    arg_types = {"this": True}
+            
    1127class CharacterSetColumnConstraint(ColumnConstraintKind):
+1128    arg_types = {"this": True}
 
    
 
 
@@ -12986,8 +13479,8 @@ If an Expression instance is passed, it w
    - 
    1008class CheckColumnConstraint(ColumnConstraintKind):
-1009    pass
+            
    1131class CheckColumnConstraint(ColumnConstraintKind):
+1132    pass
 
    
 
 
@@ -13050,8 +13543,8 @@ If an Expression instance is passed, it w
    - 
    1012class CollateColumnConstraint(ColumnConstraintKind):
-1013    pass
+            
    1135class CollateColumnConstraint(ColumnConstraintKind):
+1136    pass
 
    
 
 
@@ -13114,8 +13607,8 @@ If an Expression instance is passed, it w
    - 
    1016class CommentColumnConstraint(ColumnConstraintKind):
-1017    pass
+            
    1139class CommentColumnConstraint(ColumnConstraintKind):
+1140    pass
 
    
 
 
@@ -13178,8 +13671,8 @@ If an Expression instance is passed, it w
    - 
    1020class CompressColumnConstraint(ColumnConstraintKind):
-1021    pass
+            
    1143class CompressColumnConstraint(ColumnConstraintKind):
+1144    pass
 
    
 
 
@@ -13242,8 +13735,8 @@ If an Expression instance is passed, it w
    - 
    1024class DateFormatColumnConstraint(ColumnConstraintKind):
-1025    arg_types = {"this": True}
+            
    1147class DateFormatColumnConstraint(ColumnConstraintKind):
+1148    arg_types = {"this": True}
 
    
 
 
@@ -13306,8 +13799,8 @@ If an Expression instance is passed, it w
    - 
    1028class DefaultColumnConstraint(ColumnConstraintKind):
-1029    pass
+            
    1151class DefaultColumnConstraint(ColumnConstraintKind):
+1152    pass
 
    
 
 
@@ -13370,8 +13863,8 @@ If an Expression instance is passed, it w
    - 
    1032class EncodeColumnConstraint(ColumnConstraintKind):
-1033    pass
+            
    1155class EncodeColumnConstraint(ColumnConstraintKind):
+1156    pass
 
    
 
 
@@ -13434,16 +13927,16 @@ If an Expression instance is passed, it w
    - 
    1036class GeneratedAsIdentityColumnConstraint(ColumnConstraintKind):
-1037    # this: True -> ALWAYS, this: False -> BY DEFAULT
-1038    arg_types = {
-1039        "this": False,
-1040        "start": False,
-1041        "increment": False,
-1042        "minvalue": False,
-1043        "maxvalue": False,
-1044        "cycle": False,
-1045    }
+            
    1159class GeneratedAsIdentityColumnConstraint(ColumnConstraintKind):
+1160    # this: True -> ALWAYS, this: False -> BY DEFAULT
+1161    arg_types = {
+1162        "this": False,
+1163        "start": False,
+1164        "increment": False,
+1165        "minvalue": False,
+1166        "maxvalue": False,
+1167        "cycle": False,
+1168    }
 
    
 
 
@@ -13506,8 +13999,8 @@ If an Expression instance is passed, it w
    - 
    1048class InlineLengthColumnConstraint(ColumnConstraintKind):
-1049    pass
+            
    1171class InlineLengthColumnConstraint(ColumnConstraintKind):
+1172    pass
 
    
 
 
@@ -13570,8 +14063,8 @@ If an Expression instance is passed, it w
    - 
    1052class NotNullColumnConstraint(ColumnConstraintKind):
-1053    arg_types = {"allow_null": False}
+            
    1175class NotNullColumnConstraint(ColumnConstraintKind):
+1176    arg_types = {"allow_null": False}
 
    
 
 
@@ -13634,8 +14127,8 @@ If an Expression instance is passed, it w
    - 
    1057class OnUpdateColumnConstraint(ColumnConstraintKind):
-1058    pass
+            
    1180class OnUpdateColumnConstraint(ColumnConstraintKind):
+1181    pass
 
    
 
 
@@ -13698,8 +14191,8 @@ If an Expression instance is passed, it w
    - 
    1061class PrimaryKeyColumnConstraint(ColumnConstraintKind):
-1062    arg_types = {"desc": False}
+            
    1184class PrimaryKeyColumnConstraint(ColumnConstraintKind):
+1185    arg_types = {"desc": False}
 
    
 
 
@@ -13762,8 +14255,8 @@ If an Expression instance is passed, it w
    - 
    1065class TitleColumnConstraint(ColumnConstraintKind):
-1066    pass
+            
    1188class TitleColumnConstraint(ColumnConstraintKind):
+1189    pass
 
    
 
 
@@ -13826,8 +14319,8 @@ If an Expression instance is passed, it w
    - 
    1069class UniqueColumnConstraint(ColumnConstraintKind):
-1070    arg_types: t.Dict[str, t.Any] = {}
+            
    1192class UniqueColumnConstraint(ColumnConstraintKind):
+1193    arg_types: t.Dict[str, t.Any] = {}
 
    
 
 
@@ -13890,8 +14383,8 @@ If an Expression instance is passed, it w
    - 
    1073class UppercaseColumnConstraint(ColumnConstraintKind):
-1074    arg_types: t.Dict[str, t.Any] = {}
+            
    1196class UppercaseColumnConstraint(ColumnConstraintKind):
+1197    arg_types: t.Dict[str, t.Any] = {}
 
    
 
 
@@ -13954,8 +14447,8 @@ If an Expression instance is passed, it w
    - 
    1077class PathColumnConstraint(ColumnConstraintKind):
-1078    pass
+            
    1200class PathColumnConstraint(ColumnConstraintKind):
+1201    pass
 
    
 
 
@@ -14018,8 +14511,8 @@ If an Expression instance is passed, it w
    - 
    1081class Constraint(Expression):
-1082    arg_types = {"this": True, "expressions": True}
+            
    1204class Constraint(Expression):
+1205    arg_types = {"this": True, "expressions": True}
 
    
 
 
@@ -14082,115 +14575,115 @@ If an Expression instance is passed, it w
    - 
    1085class Delete(Expression):
-1086    arg_types = {"with": False, "this": False, "using": False, "where": False, "returning": False}
-1087
-1088    def delete(
-1089        self,
-1090        table: ExpOrStr,
-1091        dialect: DialectType = None,
-1092        copy: bool = True,
-1093        **opts,
-1094    ) -> Delete:
-1095        """
-1096        Create a DELETE expression or replace the table on an existing DELETE expression.
-1097
-1098        Example:
-1099            >>> delete("tbl").sql()
-1100            'DELETE FROM tbl'
-1101
-1102        Args:
-1103            table: the table from which to delete.
-1104            dialect: the dialect used to parse the input expression.
-1105            copy: if `False`, modify this expression instance in-place.
-1106            opts: other options to use to parse the input expressions.
-1107
-1108        Returns:
-1109            Delete: the modified expression.
-1110        """
-1111        return _apply_builder(
-1112            expression=table,
-1113            instance=self,
-1114            arg="this",
-1115            dialect=dialect,
-1116            into=Table,
-1117            copy=copy,
-1118            **opts,
-1119        )
-1120
-1121    def where(
-1122        self,
-1123        *expressions: ExpOrStr,
-1124        append: bool = True,
-1125        dialect: DialectType = None,
-1126        copy: bool = True,
-1127        **opts,
-1128    ) -> Delete:
-1129        """
-1130        Append to or set the WHERE expressions.
-1131
-1132        Example:
-1133            >>> delete("tbl").where("x = 'a' OR x < 'b'").sql()
-1134            "DELETE FROM tbl WHERE x = 'a' OR x < 'b'"
-1135
-1136        Args:
-1137            *expressions: the SQL code strings to parse.
-1138                If an `Expression` instance is passed, it will be used as-is.
-1139                Multiple expressions are combined with an AND operator.
-1140            append: if `True`, AND the new expressions to any existing expression.
-1141                Otherwise, this resets the expression.
-1142            dialect: the dialect used to parse the input expressions.
-1143            copy: if `False`, modify this expression instance in-place.
-1144            opts: other options to use to parse the input expressions.
-1145
-1146        Returns:
-1147            Delete: the modified expression.
-1148        """
-1149        return _apply_conjunction_builder(
-1150            *expressions,
-1151            instance=self,
-1152            arg="where",
-1153            append=append,
-1154            into=Where,
-1155            dialect=dialect,
-1156            copy=copy,
-1157            **opts,
-1158        )
-1159
-1160    def returning(
-1161        self,
-1162        expression: ExpOrStr,
-1163        dialect: DialectType = None,
-1164        copy: bool = True,
-1165        **opts,
-1166    ) -> Delete:
-1167        """
-1168        Set the RETURNING expression. Not supported by all dialects.
-1169
-1170        Example:
-1171            >>> delete("tbl").returning("*", dialect="postgres").sql()
-1172            'DELETE FROM tbl RETURNING *'
-1173
-1174        Args:
-1175            expression: the SQL code strings to parse.
-1176                If an `Expression` instance is passed, it will be used as-is.
-1177            dialect: the dialect used to parse the input expressions.
-1178            copy: if `False`, modify this expression instance in-place.
-1179            opts: other options to use to parse the input expressions.
-1180
-1181        Returns:
-1182            Delete: the modified expression.
-1183        """
-1184        return _apply_builder(
-1185            expression=expression,
-1186            instance=self,
-1187            arg="returning",
-1188            prefix="RETURNING",
-1189            dialect=dialect,
-1190            copy=copy,
-1191            into=Returning,
-1192            **opts,
-1193        )
+            
    1208class Delete(Expression):
+1209    arg_types = {"with": False, "this": False, "using": False, "where": False, "returning": False}
+1210
+1211    def delete(
+1212        self,
+1213        table: ExpOrStr,
+1214        dialect: DialectType = None,
+1215        copy: bool = True,
+1216        **opts,
+1217    ) -> Delete:
+1218        """
+1219        Create a DELETE expression or replace the table on an existing DELETE expression.
+1220
+1221        Example:
+1222            >>> delete("tbl").sql()
+1223            'DELETE FROM tbl'
+1224
+1225        Args:
+1226            table: the table from which to delete.
+1227            dialect: the dialect used to parse the input expression.
+1228            copy: if `False`, modify this expression instance in-place.
+1229            opts: other options to use to parse the input expressions.
+1230
+1231        Returns:
+1232            Delete: the modified expression.
+1233        """
+1234        return _apply_builder(
+1235            expression=table,
+1236            instance=self,
+1237            arg="this",
+1238            dialect=dialect,
+1239            into=Table,
+1240            copy=copy,
+1241            **opts,
+1242        )
+1243
+1244    def where(
+1245        self,
+1246        *expressions: ExpOrStr,
+1247        append: bool = True,
+1248        dialect: DialectType = None,
+1249        copy: bool = True,
+1250        **opts,
+1251    ) -> Delete:
+1252        """
+1253        Append to or set the WHERE expressions.
+1254
+1255        Example:
+1256            >>> delete("tbl").where("x = 'a' OR x < 'b'").sql()
+1257            "DELETE FROM tbl WHERE x = 'a' OR x < 'b'"
+1258
+1259        Args:
+1260            *expressions: the SQL code strings to parse.
+1261                If an `Expression` instance is passed, it will be used as-is.
+1262                Multiple expressions are combined with an AND operator.
+1263            append: if `True`, AND the new expressions to any existing expression.
+1264                Otherwise, this resets the expression.
+1265            dialect: the dialect used to parse the input expressions.
+1266            copy: if `False`, modify this expression instance in-place.
+1267            opts: other options to use to parse the input expressions.
+1268
+1269        Returns:
+1270            Delete: the modified expression.
+1271        """
+1272        return _apply_conjunction_builder(
+1273            *expressions,
+1274            instance=self,
+1275            arg="where",
+1276            append=append,
+1277            into=Where,
+1278            dialect=dialect,
+1279            copy=copy,
+1280            **opts,
+1281        )
+1282
+1283    def returning(
+1284        self,
+1285        expression: ExpOrStr,
+1286        dialect: DialectType = None,
+1287        copy: bool = True,
+1288        **opts,
+1289    ) -> Delete:
+1290        """
+1291        Set the RETURNING expression. Not supported by all dialects.
+1292
+1293        Example:
+1294            >>> delete("tbl").returning("*", dialect="postgres").sql()
+1295            'DELETE FROM tbl RETURNING *'
+1296
+1297        Args:
+1298            expression: the SQL code strings to parse.
+1299                If an `Expression` instance is passed, it will be used as-is.
+1300            dialect: the dialect used to parse the input expressions.
+1301            copy: if `False`, modify this expression instance in-place.
+1302            opts: other options to use to parse the input expressions.
+1303
+1304        Returns:
+1305            Delete: the modified expression.
+1306        """
+1307        return _apply_builder(
+1308            expression=expression,
+1309            instance=self,
+1310            arg="returning",
+1311            prefix="RETURNING",
+1312            dialect=dialect,
+1313            copy=copy,
+1314            into=Returning,
+1315            **opts,
+1316        )
 
    
 
 
@@ -14207,38 +14700,38 @@ If an Expression instance is passed, it w
    - 
    1088    def delete(
-1089        self,
-1090        table: ExpOrStr,
-1091        dialect: DialectType = None,
-1092        copy: bool = True,
-1093        **opts,
-1094    ) -> Delete:
-1095        """
-1096        Create a DELETE expression or replace the table on an existing DELETE expression.
-1097
-1098        Example:
-1099            >>> delete("tbl").sql()
-1100            'DELETE FROM tbl'
-1101
-1102        Args:
-1103            table: the table from which to delete.
-1104            dialect: the dialect used to parse the input expression.
-1105            copy: if `False`, modify this expression instance in-place.
-1106            opts: other options to use to parse the input expressions.
-1107
-1108        Returns:
-1109            Delete: the modified expression.
-1110        """
-1111        return _apply_builder(
-1112            expression=table,
-1113            instance=self,
-1114            arg="this",
-1115            dialect=dialect,
-1116            into=Table,
-1117            copy=copy,
-1118            **opts,
-1119        )
+            
    1211    def delete(
+1212        self,
+1213        table: ExpOrStr,
+1214        dialect: DialectType = None,
+1215        copy: bool = True,
+1216        **opts,
+1217    ) -> Delete:
+1218        """
+1219        Create a DELETE expression or replace the table on an existing DELETE expression.
+1220
+1221        Example:
+1222            >>> delete("tbl").sql()
+1223            'DELETE FROM tbl'
+1224
+1225        Args:
+1226            table: the table from which to delete.
+1227            dialect: the dialect used to parse the input expression.
+1228            copy: if `False`, modify this expression instance in-place.
+1229            opts: other options to use to parse the input expressions.
+1230
+1231        Returns:
+1232            Delete: the modified expression.
+1233        """
+1234        return _apply_builder(
+1235            expression=table,
+1236            instance=self,
+1237            arg="this",
+1238            dialect=dialect,
+1239            into=Table,
+1240            copy=copy,
+1241            **opts,
+1242        )
 
    
 
 
@@ -14283,44 +14776,44 @@ If an Expression instance is passed, it w
    - 
    1121    def where(
-1122        self,
-1123        *expressions: ExpOrStr,
-1124        append: bool = True,
-1125        dialect: DialectType = None,
-1126        copy: bool = True,
-1127        **opts,
-1128    ) -> Delete:
-1129        """
-1130        Append to or set the WHERE expressions.
-1131
-1132        Example:
-1133            >>> delete("tbl").where("x = 'a' OR x < 'b'").sql()
-1134            "DELETE FROM tbl WHERE x = 'a' OR x < 'b'"
-1135
-1136        Args:
-1137            *expressions: the SQL code strings to parse.
-1138                If an `Expression` instance is passed, it will be used as-is.
-1139                Multiple expressions are combined with an AND operator.
-1140            append: if `True`, AND the new expressions to any existing expression.
-1141                Otherwise, this resets the expression.
-1142            dialect: the dialect used to parse the input expressions.
-1143            copy: if `False`, modify this expression instance in-place.
-1144            opts: other options to use to parse the input expressions.
-1145
-1146        Returns:
-1147            Delete: the modified expression.
-1148        """
-1149        return _apply_conjunction_builder(
-1150            *expressions,
-1151            instance=self,
-1152            arg="where",
-1153            append=append,
-1154            into=Where,
-1155            dialect=dialect,
-1156            copy=copy,
-1157            **opts,
-1158        )
+            
    1244    def where(
+1245        self,
+1246        *expressions: ExpOrStr,
+1247        append: bool = True,
+1248        dialect: DialectType = None,
+1249        copy: bool = True,
+1250        **opts,
+1251    ) -> Delete:
+1252        """
+1253        Append to or set the WHERE expressions.
+1254
+1255        Example:
+1256            >>> delete("tbl").where("x = 'a' OR x < 'b'").sql()
+1257            "DELETE FROM tbl WHERE x = 'a' OR x < 'b'"
+1258
+1259        Args:
+1260            *expressions: the SQL code strings to parse.
+1261                If an `Expression` instance is passed, it will be used as-is.
+1262                Multiple expressions are combined with an AND operator.
+1263            append: if `True`, AND the new expressions to any existing expression.
+1264                Otherwise, this resets the expression.
+1265            dialect: the dialect used to parse the input expressions.
+1266            copy: if `False`, modify this expression instance in-place.
+1267            opts: other options to use to parse the input expressions.
+1268
+1269        Returns:
+1270            Delete: the modified expression.
+1271        """
+1272        return _apply_conjunction_builder(
+1273            *expressions,
+1274            instance=self,
+1275            arg="where",
+1276            append=append,
+1277            into=Where,
+1278            dialect=dialect,
+1279            copy=copy,
+1280            **opts,
+1281        )
 
    
 
 
@@ -14369,40 +14862,40 @@ Otherwise, this resets the expression.
    - 
    1160    def returning(
-1161        self,
-1162        expression: ExpOrStr,
-1163        dialect: DialectType = None,
-1164        copy: bool = True,
-1165        **opts,
-1166    ) -> Delete:
-1167        """
-1168        Set the RETURNING expression. Not supported by all dialects.
-1169
-1170        Example:
-1171            >>> delete("tbl").returning("*", dialect="postgres").sql()
-1172            'DELETE FROM tbl RETURNING *'
-1173
-1174        Args:
-1175            expression: the SQL code strings to parse.
-1176                If an `Expression` instance is passed, it will be used as-is.
-1177            dialect: the dialect used to parse the input expressions.
-1178            copy: if `False`, modify this expression instance in-place.
-1179            opts: other options to use to parse the input expressions.
-1180
-1181        Returns:
-1182            Delete: the modified expression.
-1183        """
-1184        return _apply_builder(
-1185            expression=expression,
-1186            instance=self,
-1187            arg="returning",
-1188            prefix="RETURNING",
-1189            dialect=dialect,
-1190            copy=copy,
-1191            into=Returning,
-1192            **opts,
-1193        )
+            
    1283    def returning(
+1284        self,
+1285        expression: ExpOrStr,
+1286        dialect: DialectType = None,
+1287        copy: bool = True,
+1288        **opts,
+1289    ) -> Delete:
+1290        """
+1291        Set the RETURNING expression. Not supported by all dialects.
+1292
+1293        Example:
+1294            >>> delete("tbl").returning("*", dialect="postgres").sql()
+1295            'DELETE FROM tbl RETURNING *'
+1296
+1297        Args:
+1298            expression: the SQL code strings to parse.
+1299                If an `Expression` instance is passed, it will be used as-is.
+1300            dialect: the dialect used to parse the input expressions.
+1301            copy: if `False`, modify this expression instance in-place.
+1302            opts: other options to use to parse the input expressions.
+1303
+1304        Returns:
+1305            Delete: the modified expression.
+1306        """
+1307        return _apply_builder(
+1308            expression=expression,
+1309            instance=self,
+1310            arg="returning",
+1311            prefix="RETURNING",
+1312            dialect=dialect,
+1313            copy=copy,
+1314            into=Returning,
+1315            **opts,
+1316        )
 
    
 
 
@@ -14494,17 +14987,17 @@ If an Expression instance is passed, it w
    - 
    1196class Drop(Expression):
-1197    arg_types = {
-1198        "this": False,
-1199        "kind": False,
-1200        "exists": False,
-1201        "temporary": False,
-1202        "materialized": False,
-1203        "cascade": False,
-1204        "constraints": False,
-1205        "purge": False,
-1206    }
+            
    1319class Drop(Expression):
+1320    arg_types = {
+1321        "this": False,
+1322        "kind": False,
+1323        "exists": False,
+1324        "temporary": False,
+1325        "materialized": False,
+1326        "cascade": False,
+1327        "constraints": False,
+1328        "purge": False,
+1329    }
 
    
 
 
@@ -14567,8 +15060,8 @@ If an Expression instance is passed, it w
    - 
    1209class Filter(Expression):
-1210    arg_types = {"this": True, "expression": True}
+            
    1332class Filter(Expression):
+1333    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -14631,8 +15124,8 @@ If an Expression instance is passed, it w
    - 
    1213class Check(Expression):
-1214    pass
+            
    1336class Check(Expression):
+1337    pass
 
    
 
 
@@ -14695,9 +15188,9 @@ If an Expression instance is passed, it w
    - 
    1217class Directory(Expression):
-1218    # https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-dml-insert-overwrite-directory-hive.html
-1219    arg_types = {"this": True, "local": False, "row_format": False}
+            
    1340class Directory(Expression):
+1341    # https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-dml-insert-overwrite-directory-hive.html
+1342    arg_types = {"this": True, "local": False, "row_format": False}
 
    
 
 
@@ -14760,13 +15253,13 @@ If an Expression instance is passed, it w
    - 
    1222class ForeignKey(Expression):
-1223    arg_types = {
-1224        "expressions": True,
-1225        "reference": False,
-1226        "delete": False,
-1227        "update": False,
-1228    }
+            
    1345class ForeignKey(Expression):
+1346    arg_types = {
+1347        "expressions": True,
+1348        "reference": False,
+1349        "delete": False,
+1350        "update": False,
+1351    }
 
    
 
 
@@ -14829,8 +15322,8 @@ If an Expression instance is passed, it w
    - 
    1231class PrimaryKey(Expression):
-1232    arg_types = {"expressions": True, "options": False}
+            
    1354class PrimaryKey(Expression):
+1355    arg_types = {"expressions": True, "options": False}
 
    
 
 
@@ -14893,8 +15386,8 @@ If an Expression instance is passed, it w
    - 
    1235class Unique(Expression):
-1236    arg_types = {"expressions": True}
+            
    1358class Unique(Expression):
+1359    arg_types = {"expressions": True}
 
    
 
 
@@ -14957,8 +15450,8 @@ If an Expression instance is passed, it w
    - 
    1241class Into(Expression):
-1242    arg_types = {"this": True, "temporary": False, "unlogged": False}
+            
    1364class Into(Expression):
+1365    arg_types = {"this": True, "temporary": False, "unlogged": False}
 
    
 
 
@@ -15021,8 +15514,8 @@ If an Expression instance is passed, it w
    - 
    1245class From(Expression):
-1246    arg_types = {"expressions": True}
+            
    1368class From(Expression):
+1369    arg_types = {"expressions": True}
 
    
 
 
@@ -15085,8 +15578,8 @@ If an Expression instance is passed, it w
    - 
    1249class Having(Expression):
-1250    pass
+            
    1372class Having(Expression):
+1373    pass
 
    
 
 
@@ -15149,8 +15642,8 @@ If an Expression instance is passed, it w
    - 
    1253class Hint(Expression):
-1254    arg_types = {"expressions": True}
+            
    1376class Hint(Expression):
+1377    arg_types = {"expressions": True}
 
    
 
 
@@ -15213,8 +15706,8 @@ If an Expression instance is passed, it w
    - 
    1257class JoinHint(Expression):
-1258    arg_types = {"this": True, "expressions": True}
+            
    1380class JoinHint(Expression):
+1381    arg_types = {"this": True, "expressions": True}
 
    
 
 
@@ -15277,22 +15770,22 @@ If an Expression instance is passed, it w
    - 
    1261class Identifier(Expression):
-1262    arg_types = {"this": True, "quoted": False}
-1263
-1264    @property
-1265    def quoted(self):
-1266        return bool(self.args.get("quoted"))
-1267
-1268    @property
-1269    def hashable_args(self) -> t.Any:
-1270        if self.quoted and any(char.isupper() for char in self.this):
-1271            return (self.this, self.quoted)
-1272        return self.this.lower()
-1273
-1274    @property
-1275    def output_name(self):
-1276        return self.name
+            
    1384class Identifier(Expression):
+1385    arg_types = {"this": True, "quoted": False}
+1386
+1387    @property
+1388    def quoted(self):
+1389        return bool(self.args.get("quoted"))
+1390
+1391    @property
+1392    def hashable_args(self) -> t.Any:
+1393        if self.quoted and any(char.isupper() for char in self.this):
+1394            return (self.this, self.quoted)
+1395        return self.this.lower()
+1396
+1397    @property
+1398    def output_name(self):
+1399        return self.name
 
    
 
 
@@ -15384,16 +15877,16 @@ If an Expression instance is passed, it w
    - 
    1279class Index(Expression):
-1280    arg_types = {
-1281        "this": False,
-1282        "table": False,
-1283        "where": False,
-1284        "columns": False,
-1285        "unique": False,
-1286        "primary": False,
-1287        "amp": False,  # teradata
-1288    }
+            
    1402class Index(Expression):
+1403    arg_types = {
+1404        "this": False,
+1405        "table": False,
+1406        "where": False,
+1407        "columns": False,
+1408        "unique": False,
+1409        "primary": False,
+1410        "amp": False,  # teradata
+1411    }
 
    
 
 
@@ -15456,18 +15949,18 @@ If an Expression instance is passed, it w
    - 
    1291class Insert(Expression):
-1292    arg_types = {
-1293        "with": False,
-1294        "this": True,
-1295        "expression": False,
-1296        "conflict": False,
-1297        "returning": False,
-1298        "overwrite": False,
-1299        "exists": False,
-1300        "partition": False,
-1301        "alternative": False,
-1302    }
+            
    1414class Insert(Expression):
+1415    arg_types = {
+1416        "with": False,
+1417        "this": True,
+1418        "expression": False,
+1419        "conflict": False,
+1420        "returning": False,
+1421        "overwrite": False,
+1422        "exists": False,
+1423        "partition": False,
+1424        "alternative": False,
+1425    }
 
    
 
 
@@ -15530,14 +16023,14 @@ If an Expression instance is passed, it w
    - 
    1305class OnConflict(Expression):
-1306    arg_types = {
-1307        "duplicate": False,
-1308        "expressions": False,
-1309        "nothing": False,
-1310        "key": False,
-1311        "constraint": False,
-1312    }
+            
    1428class OnConflict(Expression):
+1429    arg_types = {
+1430        "duplicate": False,
+1431        "expressions": False,
+1432        "nothing": False,
+1433        "key": False,
+1434        "constraint": False,
+1435    }
 
    
 
 
@@ -15600,8 +16093,8 @@ If an Expression instance is passed, it w
    - 
    1315class Returning(Expression):
-1316    arg_types = {"expressions": True}
+            
    1438class Returning(Expression):
+1439    arg_types = {"expressions": True}
 
    
 
 
@@ -15664,8 +16157,8 @@ If an Expression instance is passed, it w
    - 
    1320class Introducer(Expression):
-1321    arg_types = {"this": True, "expression": True}
+            
    1443class Introducer(Expression):
+1444    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -15728,8 +16221,8 @@ If an Expression instance is passed, it w
    - 
    1325class National(Expression):
-1326    pass
+            
    1448class National(Expression):
+1449    pass
 
    
 
 
@@ -15792,16 +16285,16 @@ If an Expression instance is passed, it w
    - 
    1329class LoadData(Expression):
-1330    arg_types = {
-1331        "this": True,
-1332        "local": False,
-1333        "overwrite": False,
-1334        "inpath": True,
-1335        "partition": False,
-1336        "input_format": False,
-1337        "serde": False,
-1338    }
+            
    1452class LoadData(Expression):
+1453    arg_types = {
+1454        "this": True,
+1455        "local": False,
+1456        "overwrite": False,
+1457        "inpath": True,
+1458        "partition": False,
+1459        "input_format": False,
+1460        "serde": False,
+1461    }
 
    
 
 
@@ -15864,8 +16357,8 @@ If an Expression instance is passed, it w
    - 
    1341class Partition(Expression):
-1342    arg_types = {"expressions": True}
+            
    1464class Partition(Expression):
+1465    arg_types = {"expressions": True}
 
    
 
 
@@ -15928,13 +16421,13 @@ If an Expression instance is passed, it w
    - 
    1345class Fetch(Expression):
-1346    arg_types = {
-1347        "direction": False,
-1348        "count": False,
-1349        "percent": False,
-1350        "with_ties": False,
-1351    }
+            
    1468class Fetch(Expression):
+1469    arg_types = {
+1470        "direction": False,
+1471        "count": False,
+1472        "percent": False,
+1473        "with_ties": False,
+1474    }
 
    
 
 
@@ -15997,13 +16490,13 @@ If an Expression instance is passed, it w
    - 
    1354class Group(Expression):
-1355    arg_types = {
-1356        "expressions": False,
-1357        "grouping_sets": False,
-1358        "cube": False,
-1359        "rollup": False,
-1360    }
+            
    1477class Group(Expression):
+1478    arg_types = {
+1479        "expressions": False,
+1480        "grouping_sets": False,
+1481        "cube": False,
+1482        "rollup": False,
+1483    }
 
    
 
 
@@ -16066,8 +16559,8 @@ If an Expression instance is passed, it w
    - 
    1363class Lambda(Expression):
-1364    arg_types = {"this": True, "expressions": True}
+            
    1486class Lambda(Expression):
+1487    arg_types = {"this": True, "expressions": True}
 
    
 
 
@@ -16130,8 +16623,8 @@ If an Expression instance is passed, it w
    - 
    1367class Limit(Expression):
-1368    arg_types = {"this": False, "expression": True}
+            
    1490class Limit(Expression):
+1491    arg_types = {"this": False, "expression": True}
 
    
 
 
@@ -16194,24 +16687,24 @@ If an Expression instance is passed, it w
    - 
    1371class Literal(Condition):
-1372    arg_types = {"this": True, "is_string": True}
-1373
-1374    @property
-1375    def hashable_args(self) -> t.Any:
-1376        return (self.this, self.args.get("is_string"))
-1377
-1378    @classmethod
-1379    def number(cls, number) -> Literal:
-1380        return cls(this=str(number), is_string=False)
-1381
-1382    @classmethod
-1383    def string(cls, string) -> Literal:
-1384        return cls(this=str(string), is_string=True)
-1385
-1386    @property
-1387    def output_name(self):
-1388        return self.name
+            
    1494class Literal(Condition):
+1495    arg_types = {"this": True, "is_string": True}
+1496
+1497    @property
+1498    def hashable_args(self) -> t.Any:
+1499        return (self.this, self.args.get("is_string"))
+1500
+1501    @classmethod
+1502    def number(cls, number) -> Literal:
+1503        return cls(this=str(number), is_string=False)
+1504
+1505    @classmethod
+1506    def string(cls, string) -> Literal:
+1507        return cls(this=str(string), is_string=True)
+1508
+1509    @property
+1510    def output_name(self):
+1511        return self.name
 
    
 
 
@@ -16229,9 +16722,9 @@ If an Expression instance is passed, it w
    - 
    1378    @classmethod
-1379    def number(cls, number) -> Literal:
-1380        return cls(this=str(number), is_string=False)
+            
    1501    @classmethod
+1502    def number(cls, number) -> Literal:
+1503        return cls(this=str(number), is_string=False)
 
    
 
 
@@ -16250,9 +16743,9 @@ If an Expression instance is passed, it w
    - 
    1382    @classmethod
-1383    def string(cls, string) -> Literal:
-1384        return cls(this=str(string), is_string=True)
+            
    1505    @classmethod
+1506    def string(cls, string) -> Literal:
+1507        return cls(this=str(string), is_string=True)
 
    
 
 
@@ -16335,6 +16828,13 @@ If an Expression instance is passed, it w
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -16351,105 +16851,105 @@ If an Expression instance is passed, it w - 
    1391class Join(Expression):
-1392    arg_types = {
-1393        "this": True,
-1394        "on": False,
-1395        "side": False,
-1396        "kind": False,
-1397        "using": False,
-1398        "natural": False,
-1399        "hint": False,
-1400    }
-1401
-1402    @property
-1403    def kind(self):
-1404        return self.text("kind").upper()
-1405
-1406    @property
-1407    def side(self):
-1408        return self.text("side").upper()
-1409
-1410    @property
-1411    def hint(self):
-1412        return self.text("hint").upper()
-1413
-1414    @property
-1415    def alias_or_name(self):
-1416        return self.this.alias_or_name
-1417
-1418    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1419        """
-1420        Append to or set the ON expressions.
-1421
-1422        Example:
-1423            >>> import sqlglot
-1424            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
-1425            'JOIN x ON y = 1'
-1426
-1427        Args:
-1428            *expressions (str | Expression): the SQL code strings to parse.
-1429                If an `Expression` instance is passed, it will be used as-is.
-1430                Multiple expressions are combined with an AND operator.
-1431            append (bool): if `True`, AND the new expressions to any existing expression.
-1432                Otherwise, this resets the expression.
-1433            dialect (str): the dialect used to parse the input expressions.
-1434            copy (bool): if `False`, modify this expression instance in-place.
-1435            opts (kwargs): other options to use to parse the input expressions.
-1436
-1437        Returns:
-1438            Join: the modified join expression.
-1439        """
-1440        join = _apply_conjunction_builder(
-1441            *expressions,
-1442            instance=self,
-1443            arg="on",
-1444            append=append,
-1445            dialect=dialect,
-1446            copy=copy,
-1447            **opts,
-1448        )
-1449
-1450        if join.kind == "CROSS":
-1451            join.set("kind", None)
-1452
-1453        return join
-1454
-1455    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1456        """
-1457        Append to or set the USING expressions.
-1458
-1459        Example:
-1460            >>> import sqlglot
-1461            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
-1462            'JOIN x USING (foo, bla)'
-1463
-1464        Args:
-1465            *expressions (str | Expression): the SQL code strings to parse.
-1466                If an `Expression` instance is passed, it will be used as-is.
-1467            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
-1468                Otherwise, this resets the expression.
-1469            dialect (str): the dialect used to parse the input expressions.
-1470            copy (bool): if `False`, modify this expression instance in-place.
-1471            opts (kwargs): other options to use to parse the input expressions.
-1472
-1473        Returns:
-1474            Join: the modified join expression.
-1475        """
-1476        join = _apply_list_builder(
-1477            *expressions,
-1478            instance=self,
-1479            arg="using",
-1480            append=append,
-1481            dialect=dialect,
-1482            copy=copy,
-1483            **opts,
-1484        )
-1485
-1486        if join.kind == "CROSS":
-1487            join.set("kind", None)
-1488
-1489        return join
+            
    1514class Join(Expression):
+1515    arg_types = {
+1516        "this": True,
+1517        "on": False,
+1518        "side": False,
+1519        "kind": False,
+1520        "using": False,
+1521        "natural": False,
+1522        "hint": False,
+1523    }
+1524
+1525    @property
+1526    def kind(self):
+1527        return self.text("kind").upper()
+1528
+1529    @property
+1530    def side(self):
+1531        return self.text("side").upper()
+1532
+1533    @property
+1534    def hint(self):
+1535        return self.text("hint").upper()
+1536
+1537    @property
+1538    def alias_or_name(self):
+1539        return self.this.alias_or_name
+1540
+1541    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1542        """
+1543        Append to or set the ON expressions.
+1544
+1545        Example:
+1546            >>> import sqlglot
+1547            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
+1548            'JOIN x ON y = 1'
+1549
+1550        Args:
+1551            *expressions (str | Expression): the SQL code strings to parse.
+1552                If an `Expression` instance is passed, it will be used as-is.
+1553                Multiple expressions are combined with an AND operator.
+1554            append (bool): if `True`, AND the new expressions to any existing expression.
+1555                Otherwise, this resets the expression.
+1556            dialect (str): the dialect used to parse the input expressions.
+1557            copy (bool): if `False`, modify this expression instance in-place.
+1558            opts (kwargs): other options to use to parse the input expressions.
+1559
+1560        Returns:
+1561            Join: the modified join expression.
+1562        """
+1563        join = _apply_conjunction_builder(
+1564            *expressions,
+1565            instance=self,
+1566            arg="on",
+1567            append=append,
+1568            dialect=dialect,
+1569            copy=copy,
+1570            **opts,
+1571        )
+1572
+1573        if join.kind == "CROSS":
+1574            join.set("kind", None)
+1575
+1576        return join
+1577
+1578    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1579        """
+1580        Append to or set the USING expressions.
+1581
+1582        Example:
+1583            >>> import sqlglot
+1584            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
+1585            'JOIN x USING (foo, bla)'
+1586
+1587        Args:
+1588            *expressions (str | Expression): the SQL code strings to parse.
+1589                If an `Expression` instance is passed, it will be used as-is.
+1590            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
+1591                Otherwise, this resets the expression.
+1592            dialect (str): the dialect used to parse the input expressions.
+1593            copy (bool): if `False`, modify this expression instance in-place.
+1594            opts (kwargs): other options to use to parse the input expressions.
+1595
+1596        Returns:
+1597            Join: the modified join expression.
+1598        """
+1599        join = _apply_list_builder(
+1600            *expressions,
+1601            instance=self,
+1602            arg="using",
+1603            append=append,
+1604            dialect=dialect,
+1605            copy=copy,
+1606            **opts,
+1607        )
+1608
+1609        if join.kind == "CROSS":
+1610            join.set("kind", None)
+1611
+1612        return join
 
    
 
 
@@ -16466,42 +16966,42 @@ If an Expression instance is passed, it w
    - 
    1418    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1419        """
-1420        Append to or set the ON expressions.
-1421
-1422        Example:
-1423            >>> import sqlglot
-1424            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
-1425            'JOIN x ON y = 1'
-1426
-1427        Args:
-1428            *expressions (str | Expression): the SQL code strings to parse.
-1429                If an `Expression` instance is passed, it will be used as-is.
-1430                Multiple expressions are combined with an AND operator.
-1431            append (bool): if `True`, AND the new expressions to any existing expression.
-1432                Otherwise, this resets the expression.
-1433            dialect (str): the dialect used to parse the input expressions.
-1434            copy (bool): if `False`, modify this expression instance in-place.
-1435            opts (kwargs): other options to use to parse the input expressions.
-1436
-1437        Returns:
-1438            Join: the modified join expression.
-1439        """
-1440        join = _apply_conjunction_builder(
-1441            *expressions,
-1442            instance=self,
-1443            arg="on",
-1444            append=append,
-1445            dialect=dialect,
-1446            copy=copy,
-1447            **opts,
-1448        )
-1449
-1450        if join.kind == "CROSS":
-1451            join.set("kind", None)
-1452
-1453        return join
+            
    1541    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1542        """
+1543        Append to or set the ON expressions.
+1544
+1545        Example:
+1546            >>> import sqlglot
+1547            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
+1548            'JOIN x ON y = 1'
+1549
+1550        Args:
+1551            *expressions (str | Expression): the SQL code strings to parse.
+1552                If an `Expression` instance is passed, it will be used as-is.
+1553                Multiple expressions are combined with an AND operator.
+1554            append (bool): if `True`, AND the new expressions to any existing expression.
+1555                Otherwise, this resets the expression.
+1556            dialect (str): the dialect used to parse the input expressions.
+1557            copy (bool): if `False`, modify this expression instance in-place.
+1558            opts (kwargs): other options to use to parse the input expressions.
+1559
+1560        Returns:
+1561            Join: the modified join expression.
+1562        """
+1563        join = _apply_conjunction_builder(
+1564            *expressions,
+1565            instance=self,
+1566            arg="on",
+1567            append=append,
+1568            dialect=dialect,
+1569            copy=copy,
+1570            **opts,
+1571        )
+1572
+1573        if join.kind == "CROSS":
+1574            join.set("kind", None)
+1575
+1576        return join
 
    
 
 
@@ -16551,41 +17051,41 @@ Otherwise, this resets the expression.
    - 
    1455    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1456        """
-1457        Append to or set the USING expressions.
-1458
-1459        Example:
-1460            >>> import sqlglot
-1461            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
-1462            'JOIN x USING (foo, bla)'
-1463
-1464        Args:
-1465            *expressions (str | Expression): the SQL code strings to parse.
-1466                If an `Expression` instance is passed, it will be used as-is.
-1467            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
-1468                Otherwise, this resets the expression.
-1469            dialect (str): the dialect used to parse the input expressions.
-1470            copy (bool): if `False`, modify this expression instance in-place.
-1471            opts (kwargs): other options to use to parse the input expressions.
-1472
-1473        Returns:
-1474            Join: the modified join expression.
-1475        """
-1476        join = _apply_list_builder(
-1477            *expressions,
-1478            instance=self,
-1479            arg="using",
-1480            append=append,
-1481            dialect=dialect,
-1482            copy=copy,
-1483            **opts,
-1484        )
-1485
-1486        if join.kind == "CROSS":
-1487            join.set("kind", None)
-1488
-1489        return join
+            
    1578    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1579        """
+1580        Append to or set the USING expressions.
+1581
+1582        Example:
+1583            >>> import sqlglot
+1584            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
+1585            'JOIN x USING (foo, bla)'
+1586
+1587        Args:
+1588            *expressions (str | Expression): the SQL code strings to parse.
+1589                If an `Expression` instance is passed, it will be used as-is.
+1590            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
+1591                Otherwise, this resets the expression.
+1592            dialect (str): the dialect used to parse the input expressions.
+1593            copy (bool): if `False`, modify this expression instance in-place.
+1594            opts (kwargs): other options to use to parse the input expressions.
+1595
+1596        Returns:
+1597            Join: the modified join expression.
+1598        """
+1599        join = _apply_list_builder(
+1600            *expressions,
+1601            instance=self,
+1602            arg="using",
+1603            append=append,
+1604            dialect=dialect,
+1605            copy=copy,
+1606            **opts,
+1607        )
+1608
+1609        if join.kind == "CROSS":
+1610            join.set("kind", None)
+1611
+1612        return join
 
    
 
 
@@ -16680,8 +17180,8 @@ Otherwise, this resets the expression.
    - 
    1492class Lateral(UDTF):
-1493    arg_types = {"this": True, "view": False, "outer": False, "alias": False}
+            
    1615class Lateral(UDTF):
+1616    arg_types = {"this": True, "view": False, "outer": False, "alias": False}
 
    
 
 
@@ -16750,17 +17250,17 @@ Otherwise, this resets the expression.
    - 
    1496class MatchRecognize(Expression):
-1497    arg_types = {
-1498        "partition_by": False,
-1499        "order": False,
-1500        "measures": False,
-1501        "rows": False,
-1502        "after": False,
-1503        "pattern": False,
-1504        "define": False,
-1505        "alias": False,
-1506    }
+            
    1619class MatchRecognize(Expression):
+1620    arg_types = {
+1621        "partition_by": False,
+1622        "order": False,
+1623        "measures": False,
+1624        "rows": False,
+1625        "after": False,
+1626        "pattern": False,
+1627        "define": False,
+1628        "alias": False,
+1629    }
 
    
 
 
@@ -16823,8 +17323,8 @@ Otherwise, this resets the expression.
    - 
    1511class Final(Expression):
-1512    pass
+            
    1634class Final(Expression):
+1635    pass
 
    
 
 
@@ -16887,8 +17387,8 @@ Otherwise, this resets the expression.
    - 
    1515class Offset(Expression):
-1516    arg_types = {"this": False, "expression": True}
+            
    1638class Offset(Expression):
+1639    arg_types = {"this": False, "expression": True}
 
    
 
 
@@ -16951,8 +17451,8 @@ Otherwise, this resets the expression.
    - 
    1519class Order(Expression):
-1520    arg_types = {"this": False, "expressions": True}
+            
    1642class Order(Expression):
+1643    arg_types = {"this": False, "expressions": True}
 
    
 
 
@@ -17015,8 +17515,8 @@ Otherwise, this resets the expression.
    - 
    1525class Cluster(Order):
-1526    pass
+            
    1648class Cluster(Order):
+1649    pass
 
    
 
 
@@ -17079,8 +17579,8 @@ Otherwise, this resets the expression.
    - 
    1529class Distribute(Order):
-1530    pass
+            
    1652class Distribute(Order):
+1653    pass
 
    
 
 
@@ -17143,8 +17643,8 @@ Otherwise, this resets the expression.
    - 
    1533class Sort(Order):
-1534    pass
+            
    1656class Sort(Order):
+1657    pass
 
    
 
 
@@ -17207,8 +17707,8 @@ Otherwise, this resets the expression.
    - 
    1537class Ordered(Expression):
-1538    arg_types = {"this": True, "desc": True, "nulls_first": True}
+            
    1660class Ordered(Expression):
+1661    arg_types = {"this": True, "desc": True, "nulls_first": True}
 
    
 
 
@@ -17271,8 +17771,8 @@ Otherwise, this resets the expression.
    - 
    1541class Property(Expression):
-1542    arg_types = {"this": True, "value": True}
+            
    1664class Property(Expression):
+1665    arg_types = {"this": True, "value": True}
 
    
 
 
@@ -17335,8 +17835,8 @@ Otherwise, this resets the expression.
    - 
    1545class AfterJournalProperty(Property):
-1546    arg_types = {"no": True, "dual": False, "local": False}
+            
    1668class AfterJournalProperty(Property):
+1669    arg_types = {"no": True, "dual": False, "local": False}
 
    
 
 
@@ -17399,8 +17899,8 @@ Otherwise, this resets the expression.
    - 
    1549class AlgorithmProperty(Property):
-1550    arg_types = {"this": True}
+            
    1672class AlgorithmProperty(Property):
+1673    arg_types = {"this": True}
 
    
 
 
@@ -17463,8 +17963,8 @@ Otherwise, this resets the expression.
    - 
    1553class AutoIncrementProperty(Property):
-1554    arg_types = {"this": True}
+            
    1676class AutoIncrementProperty(Property):
+1677    arg_types = {"this": True}
 
    
 
 
@@ -17527,8 +18027,8 @@ Otherwise, this resets the expression.
    - 
    1557class BlockCompressionProperty(Property):
-1558    arg_types = {"autotemp": False, "always": False, "default": True, "manual": True, "never": True}
+            
    1680class BlockCompressionProperty(Property):
+1681    arg_types = {"autotemp": False, "always": False, "default": True, "manual": True, "never": True}
 
    
 
 
@@ -17591,8 +18091,8 @@ Otherwise, this resets the expression.
    - 
    1561class CharacterSetProperty(Property):
-1562    arg_types = {"this": True, "default": True}
+            
    1684class CharacterSetProperty(Property):
+1685    arg_types = {"this": True, "default": True}
 
    
 
 
@@ -17655,8 +18155,8 @@ Otherwise, this resets the expression.
    - 
    1565class ChecksumProperty(Property):
-1566    arg_types = {"on": False, "default": False}
+            
    1688class ChecksumProperty(Property):
+1689    arg_types = {"on": False, "default": False}
 
    
 
 
@@ -17719,8 +18219,8 @@ Otherwise, this resets the expression.
    - 
    1569class CollateProperty(Property):
-1570    arg_types = {"this": True}
+            
    1692class CollateProperty(Property):
+1693    arg_types = {"this": True}
 
    
 
 
@@ -17783,8 +18283,8 @@ Otherwise, this resets the expression.
    - 
    1573class DataBlocksizeProperty(Property):
-1574    arg_types = {"size": False, "units": False, "min": False, "default": False}
+            
    1696class DataBlocksizeProperty(Property):
+1697    arg_types = {"size": False, "units": False, "min": False, "default": False}
 
    
 
 
@@ -17847,8 +18347,8 @@ Otherwise, this resets the expression.
    - 
    1577class DefinerProperty(Property):
-1578    arg_types = {"this": True}
+            
    1700class DefinerProperty(Property):
+1701    arg_types = {"this": True}
 
    
 
 
@@ -17911,8 +18411,8 @@ Otherwise, this resets the expression.
    - 
    1581class DistKeyProperty(Property):
-1582    arg_types = {"this": True}
+            
    1704class DistKeyProperty(Property):
+1705    arg_types = {"this": True}
 
    
 
 
@@ -17975,8 +18475,8 @@ Otherwise, this resets the expression.
    - 
    1585class DistStyleProperty(Property):
-1586    arg_types = {"this": True}
+            
    1708class DistStyleProperty(Property):
+1709    arg_types = {"this": True}
 
    
 
 
@@ -18039,8 +18539,8 @@ Otherwise, this resets the expression.
    - 
    1589class EngineProperty(Property):
-1590    arg_types = {"this": True}
+            
    1712class EngineProperty(Property):
+1713    arg_types = {"this": True}
 
    
 
 
@@ -18103,8 +18603,8 @@ Otherwise, this resets the expression.
    - 
    1593class ExecuteAsProperty(Property):
-1594    arg_types = {"this": True}
+            
    1716class ExecuteAsProperty(Property):
+1717    arg_types = {"this": True}
 
    
 
 
@@ -18167,8 +18667,8 @@ Otherwise, this resets the expression.
    - 
    1597class ExternalProperty(Property):
-1598    arg_types = {"this": False}
+            
    1720class ExternalProperty(Property):
+1721    arg_types = {"this": False}
 
    
 
 
@@ -18231,8 +18731,8 @@ Otherwise, this resets the expression.
    - 
    1601class FallbackProperty(Property):
-1602    arg_types = {"no": True, "protection": False}
+            
    1724class FallbackProperty(Property):
+1725    arg_types = {"no": True, "protection": False}
 
    
 
 
@@ -18295,8 +18795,8 @@ Otherwise, this resets the expression.
    - 
    1605class FileFormatProperty(Property):
-1606    arg_types = {"this": True}
+            
    1728class FileFormatProperty(Property):
+1729    arg_types = {"this": True}
 
    
 
 
@@ -18359,8 +18859,8 @@ Otherwise, this resets the expression.
    - 
    1609class FreespaceProperty(Property):
-1610    arg_types = {"this": True, "percent": False}
+            
    1732class FreespaceProperty(Property):
+1733    arg_types = {"this": True, "percent": False}
 
    
 
 
@@ -18423,8 +18923,8 @@ Otherwise, this resets the expression.
    - 
    1613class InputOutputFormat(Expression):
-1614    arg_types = {"input_format": False, "output_format": False}
+            
    1736class InputOutputFormat(Expression):
+1737    arg_types = {"input_format": False, "output_format": False}
 
    
 
 
@@ -18487,14 +18987,14 @@ Otherwise, this resets the expression.
    - 
    1617class IsolatedLoadingProperty(Property):
-1618    arg_types = {
-1619        "no": True,
-1620        "concurrent": True,
-1621        "for_all": True,
-1622        "for_insert": True,
-1623        "for_none": True,
-1624    }
+            
    1740class IsolatedLoadingProperty(Property):
+1741    arg_types = {
+1742        "no": True,
+1743        "concurrent": True,
+1744        "for_all": True,
+1745        "for_insert": True,
+1746        "for_none": True,
+1747    }
 
    
 
 
@@ -18557,8 +19057,8 @@ Otherwise, this resets the expression.
    - 
    1627class JournalProperty(Property):
-1628    arg_types = {"no": True, "dual": False, "before": False}
+            
    1750class JournalProperty(Property):
+1751    arg_types = {"no": True, "dual": False, "before": False}
 
    
 
 
@@ -18621,8 +19121,8 @@ Otherwise, this resets the expression.
    - 
    1631class LanguageProperty(Property):
-1632    arg_types = {"this": True}
+            
    1754class LanguageProperty(Property):
+1755    arg_types = {"this": True}
 
    
 
 
@@ -18685,8 +19185,8 @@ Otherwise, this resets the expression.
    - 
    1635class LikeProperty(Property):
-1636    arg_types = {"this": True, "expressions": False}
+            
    1758class LikeProperty(Property):
+1759    arg_types = {"this": True, "expressions": False}
 
    
 
 
@@ -18749,8 +19249,8 @@ Otherwise, this resets the expression.
    - 
    1639class LocationProperty(Property):
-1640    arg_types = {"this": True}
+            
    1762class LocationProperty(Property):
+1763    arg_types = {"this": True}
 
    
 
 
@@ -18813,14 +19313,14 @@ Otherwise, this resets the expression.
    - 
    1643class LockingProperty(Property):
-1644    arg_types = {
-1645        "this": False,
-1646        "kind": True,
-1647        "for_or_in": True,
-1648        "lock_type": True,
-1649        "override": False,
-1650    }
+            
    1766class LockingProperty(Property):
+1767    arg_types = {
+1768        "this": False,
+1769        "kind": True,
+1770        "for_or_in": True,
+1771        "lock_type": True,
+1772        "override": False,
+1773    }
 
    
 
 
@@ -18883,8 +19383,8 @@ Otherwise, this resets the expression.
    - 
    1653class LogProperty(Property):
-1654    arg_types = {"no": True}
+            
    1776class LogProperty(Property):
+1777    arg_types = {"no": True}
 
    
 
 
@@ -18947,8 +19447,8 @@ Otherwise, this resets the expression.
    - 
    1657class MaterializedProperty(Property):
-1658    arg_types = {"this": False}
+            
    1780class MaterializedProperty(Property):
+1781    arg_types = {"this": False}
 
    
 
 
@@ -19011,8 +19511,8 @@ Otherwise, this resets the expression.
    - 
    1661class MergeBlockRatioProperty(Property):
-1662    arg_types = {"this": False, "no": False, "default": False, "percent": False}
+            
    1784class MergeBlockRatioProperty(Property):
+1785    arg_types = {"this": False, "no": False, "default": False, "percent": False}
 
    
 
 
@@ -19075,8 +19575,8 @@ Otherwise, this resets the expression.
    - 
    1665class NoPrimaryIndexProperty(Property):
-1666    arg_types = {"this": False}
+            
    1788class NoPrimaryIndexProperty(Property):
+1789    arg_types = {"this": False}
 
    
 
 
@@ -19139,8 +19639,8 @@ Otherwise, this resets the expression.
    - 
    1669class OnCommitProperty(Property):
-1670    arg_type = {"this": False}
+            
    1792class OnCommitProperty(Property):
+1793    arg_type = {"this": False}
 
    
 
 
@@ -19203,8 +19703,8 @@ Otherwise, this resets the expression.
    - 
    1673class PartitionedByProperty(Property):
-1674    arg_types = {"this": True}
+            
    1796class PartitionedByProperty(Property):
+1797    arg_types = {"this": True}
 
    
 
 
@@ -19267,8 +19767,8 @@ Otherwise, this resets the expression.
    - 
    1677class ReturnsProperty(Property):
-1678    arg_types = {"this": True, "is_table": False, "table": False}
+            
    1800class ReturnsProperty(Property):
+1801    arg_types = {"this": True, "is_table": False, "table": False}
 
    
 
 
@@ -19331,8 +19831,8 @@ Otherwise, this resets the expression.
    - 
    1681class RowFormatProperty(Property):
-1682    arg_types = {"this": True}
+            
    1804class RowFormatProperty(Property):
+1805    arg_types = {"this": True}
 
    
 
 
@@ -19395,17 +19895,17 @@ Otherwise, this resets the expression.
    - 
    1685class RowFormatDelimitedProperty(Property):
-1686    # https://cwiki.apache.org/confluence/display/hive/languagemanual+dml
-1687    arg_types = {
-1688        "fields": False,
-1689        "escaped": False,
-1690        "collection_items": False,
-1691        "map_keys": False,
-1692        "lines": False,
-1693        "null": False,
-1694        "serde": False,
-1695    }
+            
    1808class RowFormatDelimitedProperty(Property):
+1809    # https://cwiki.apache.org/confluence/display/hive/languagemanual+dml
+1810    arg_types = {
+1811        "fields": False,
+1812        "escaped": False,
+1813        "collection_items": False,
+1814        "map_keys": False,
+1815        "lines": False,
+1816        "null": False,
+1817        "serde": False,
+1818    }
 
    
 
 
@@ -19468,8 +19968,8 @@ Otherwise, this resets the expression.
    - 
    1698class RowFormatSerdeProperty(Property):
-1699    arg_types = {"this": True}
+            
    1821class RowFormatSerdeProperty(Property):
+1822    arg_types = {"this": True}
 
    
 
 
@@ -19532,8 +20032,8 @@ Otherwise, this resets the expression.
    - 
    1702class SchemaCommentProperty(Property):
-1703    arg_types = {"this": True}
+            
    1825class SchemaCommentProperty(Property):
+1826    arg_types = {"this": True}
 
    
 
 
@@ -19596,8 +20096,8 @@ Otherwise, this resets the expression.
    - 
    1706class SerdeProperties(Property):
-1707    arg_types = {"expressions": True}
+            
    1829class SerdeProperties(Property):
+1830    arg_types = {"expressions": True}
 
    
 
 
@@ -19660,8 +20160,8 @@ Otherwise, this resets the expression.
    - 
    1710class SetProperty(Property):
-1711    arg_types = {"multi": True}
+            
    1833class SetProperty(Property):
+1834    arg_types = {"multi": True}
 
    
 
 
@@ -19724,8 +20224,8 @@ Otherwise, this resets the expression.
    - 
    1714class SortKeyProperty(Property):
-1715    arg_types = {"this": True, "compound": False}
+            
    1837class SortKeyProperty(Property):
+1838    arg_types = {"this": True, "compound": False}
 
    
 
 
@@ -19788,8 +20288,8 @@ Otherwise, this resets the expression.
    - 
    1718class SqlSecurityProperty(Property):
-1719    arg_types = {"definer": True}
+            
    1841class SqlSecurityProperty(Property):
+1842    arg_types = {"definer": True}
 
    
 
 
@@ -19852,8 +20352,8 @@ Otherwise, this resets the expression.
    - 
    1722class StabilityProperty(Property):
-1723    arg_types = {"this": True}
+            
    1845class StabilityProperty(Property):
+1846    arg_types = {"this": True}
 
    
 
 
@@ -19916,8 +20416,8 @@ Otherwise, this resets the expression.
    - 
    1726class TableFormatProperty(Property):
-1727    arg_types = {"this": True}
+            
    1849class TableFormatProperty(Property):
+1850    arg_types = {"this": True}
 
    
 
 
@@ -19980,8 +20480,8 @@ Otherwise, this resets the expression.
    - 
    1730class TemporaryProperty(Property):
-1731    arg_types = {"global_": True}
+            
    1853class TemporaryProperty(Property):
+1854    arg_types = {"global_": True}
 
    
 
 
@@ -20044,8 +20544,8 @@ Otherwise, this resets the expression.
    - 
    1734class TransientProperty(Property):
-1735    arg_types = {"this": False}
+            
    1857class TransientProperty(Property):
+1858    arg_types = {"this": False}
 
    
 
 
@@ -20108,8 +20608,8 @@ Otherwise, this resets the expression.
    - 
    1738class VolatileProperty(Property):
-1739    arg_types = {"this": False}
+            
    1861class VolatileProperty(Property):
+1862    arg_types = {"this": False}
 
    
 
 
@@ -20172,8 +20672,8 @@ Otherwise, this resets the expression.
    - 
    1742class WithDataProperty(Property):
-1743    arg_types = {"no": True, "statistics": False}
+            
    1865class WithDataProperty(Property):
+1866    arg_types = {"no": True, "statistics": False}
 
    
 
 
@@ -20236,8 +20736,8 @@ Otherwise, this resets the expression.
    - 
    1746class WithJournalTableProperty(Property):
-1747    arg_types = {"this": True}
+            
    1869class WithJournalTableProperty(Property):
+1870    arg_types = {"this": True}
 
    
 
 
@@ -20300,66 +20800,66 @@ Otherwise, this resets the expression.
    - 
    1750class Properties(Expression):
-1751    arg_types = {"expressions": True}
-1752
-1753    NAME_TO_PROPERTY = {
-1754        "ALGORITHM": AlgorithmProperty,
-1755        "AUTO_INCREMENT": AutoIncrementProperty,
-1756        "CHARACTER SET": CharacterSetProperty,
-1757        "COLLATE": CollateProperty,
-1758        "COMMENT": SchemaCommentProperty,
-1759        "DEFINER": DefinerProperty,
-1760        "DISTKEY": DistKeyProperty,
-1761        "DISTSTYLE": DistStyleProperty,
-1762        "ENGINE": EngineProperty,
-1763        "EXECUTE AS": ExecuteAsProperty,
-1764        "FORMAT": FileFormatProperty,
-1765        "LANGUAGE": LanguageProperty,
-1766        "LOCATION": LocationProperty,
-1767        "PARTITIONED_BY": PartitionedByProperty,
-1768        "RETURNS": ReturnsProperty,
-1769        "ROW_FORMAT": RowFormatProperty,
-1770        "SORTKEY": SortKeyProperty,
-1771        "TABLE_FORMAT": TableFormatProperty,
-1772    }
-1773
-1774    PROPERTY_TO_NAME = {v: k for k, v in NAME_TO_PROPERTY.items()}
-1775
-1776    # CREATE property locations
-1777    # Form: schema specified
-1778    #   create [POST_CREATE]
-1779    #     table a [POST_NAME]
-1780    #     (b int) [POST_SCHEMA]
-1781    #     with ([POST_WITH])
-1782    #     index (b) [POST_INDEX]
-1783    #
-1784    # Form: alias selection
-1785    #   create [POST_CREATE]
-1786    #     table a [POST_NAME]
-1787    #     as [POST_ALIAS] (select * from b) [POST_EXPRESSION]
-1788    #     index (c) [POST_INDEX]
-1789    class Location(AutoName):
-1790        POST_CREATE = auto()
-1791        POST_NAME = auto()
-1792        POST_SCHEMA = auto()
-1793        POST_WITH = auto()
-1794        POST_ALIAS = auto()
-1795        POST_EXPRESSION = auto()
-1796        POST_INDEX = auto()
-1797        UNSUPPORTED = auto()
-1798
-1799    @classmethod
-1800    def from_dict(cls, properties_dict) -> Properties:
-1801        expressions = []
-1802        for key, value in properties_dict.items():
-1803            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
-1804            if property_cls:
-1805                expressions.append(property_cls(this=convert(value)))
-1806            else:
-1807                expressions.append(Property(this=Literal.string(key), value=convert(value)))
-1808
-1809        return cls(expressions=expressions)
+            
    1873class Properties(Expression):
+1874    arg_types = {"expressions": True}
+1875
+1876    NAME_TO_PROPERTY = {
+1877        "ALGORITHM": AlgorithmProperty,
+1878        "AUTO_INCREMENT": AutoIncrementProperty,
+1879        "CHARACTER SET": CharacterSetProperty,
+1880        "COLLATE": CollateProperty,
+1881        "COMMENT": SchemaCommentProperty,
+1882        "DEFINER": DefinerProperty,
+1883        "DISTKEY": DistKeyProperty,
+1884        "DISTSTYLE": DistStyleProperty,
+1885        "ENGINE": EngineProperty,
+1886        "EXECUTE AS": ExecuteAsProperty,
+1887        "FORMAT": FileFormatProperty,
+1888        "LANGUAGE": LanguageProperty,
+1889        "LOCATION": LocationProperty,
+1890        "PARTITIONED_BY": PartitionedByProperty,
+1891        "RETURNS": ReturnsProperty,
+1892        "ROW_FORMAT": RowFormatProperty,
+1893        "SORTKEY": SortKeyProperty,
+1894        "TABLE_FORMAT": TableFormatProperty,
+1895    }
+1896
+1897    PROPERTY_TO_NAME = {v: k for k, v in NAME_TO_PROPERTY.items()}
+1898
+1899    # CREATE property locations
+1900    # Form: schema specified
+1901    #   create [POST_CREATE]
+1902    #     table a [POST_NAME]
+1903    #     (b int) [POST_SCHEMA]
+1904    #     with ([POST_WITH])
+1905    #     index (b) [POST_INDEX]
+1906    #
+1907    # Form: alias selection
+1908    #   create [POST_CREATE]
+1909    #     table a [POST_NAME]
+1910    #     as [POST_ALIAS] (select * from b) [POST_EXPRESSION]
+1911    #     index (c) [POST_INDEX]
+1912    class Location(AutoName):
+1913        POST_CREATE = auto()
+1914        POST_NAME = auto()
+1915        POST_SCHEMA = auto()
+1916        POST_WITH = auto()
+1917        POST_ALIAS = auto()
+1918        POST_EXPRESSION = auto()
+1919        POST_INDEX = auto()
+1920        UNSUPPORTED = auto()
+1921
+1922    @classmethod
+1923    def from_dict(cls, properties_dict) -> Properties:
+1924        expressions = []
+1925        for key, value in properties_dict.items():
+1926            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
+1927            if property_cls:
+1928                expressions.append(property_cls(this=convert(value)))
+1929            else:
+1930                expressions.append(Property(this=Literal.string(key), value=convert(value)))
+1931
+1932        return cls(expressions=expressions)
 
    
 
 
@@ -20377,17 +20877,17 @@ Otherwise, this resets the expression.
    - 
    1799    @classmethod
-1800    def from_dict(cls, properties_dict) -> Properties:
-1801        expressions = []
-1802        for key, value in properties_dict.items():
-1803            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
-1804            if property_cls:
-1805                expressions.append(property_cls(this=convert(value)))
-1806            else:
-1807                expressions.append(Property(this=Literal.string(key), value=convert(value)))
-1808
-1809        return cls(expressions=expressions)
+            
    1922    @classmethod
+1923    def from_dict(cls, properties_dict) -> Properties:
+1924        expressions = []
+1925        for key, value in properties_dict.items():
+1926            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
+1927            if property_cls:
+1928                expressions.append(property_cls(this=convert(value)))
+1929            else:
+1930                expressions.append(Property(this=Literal.string(key), value=convert(value)))
+1931
+1932        return cls(expressions=expressions)
 
    
 
 
@@ -20451,15 +20951,15 @@ Otherwise, this resets the expression.
    - 
    1789    class Location(AutoName):
-1790        POST_CREATE = auto()
-1791        POST_NAME = auto()
-1792        POST_SCHEMA = auto()
-1793        POST_WITH = auto()
-1794        POST_ALIAS = auto()
-1795        POST_EXPRESSION = auto()
-1796        POST_INDEX = auto()
-1797        UNSUPPORTED = auto()
+            
    1912    class Location(AutoName):
+1913        POST_CREATE = auto()
+1914        POST_NAME = auto()
+1915        POST_SCHEMA = auto()
+1916        POST_WITH = auto()
+1917        POST_ALIAS = auto()
+1918        POST_EXPRESSION = auto()
+1919        POST_INDEX = auto()
+1920        UNSUPPORTED = auto()
 
    
 
 
@@ -20585,8 +21085,8 @@ Otherwise, this resets the expression.
    - 
    1812class Qualify(Expression):
-1813    pass
+            
    1935class Qualify(Expression):
+1936    pass
 
    
 
 
@@ -20649,8 +21149,8 @@ Otherwise, this resets the expression.
    - 
    1817class Return(Expression):
-1818    pass
+            
    1940class Return(Expression):
+1941    pass
 
    
 
 
@@ -20713,8 +21213,8 @@ Otherwise, this resets the expression.
    - 
    1821class Reference(Expression):
-1822    arg_types = {"this": True, "expressions": False, "options": False}
+            
    1944class Reference(Expression):
+1945    arg_types = {"this": True, "expressions": False, "options": False}
 
    
 
 
@@ -20777,8 +21277,8 @@ Otherwise, this resets the expression.
    - 
    1825class Tuple(Expression):
-1826    arg_types = {"expressions": False}
+            
    1948class Tuple(Expression):
+1949    arg_types = {"expressions": False}
 
    
 
 
@@ -20841,103 +21341,103 @@ Otherwise, this resets the expression.
    - 
    1829class Subqueryable(Unionable):
-1830    def subquery(self, alias=None, copy=True) -> Subquery:
-1831        """
-1832        Convert this expression to an aliased expression that can be used as a Subquery.
-1833
-1834        Example:
-1835            >>> subquery = Select().select("x").from_("tbl").subquery()
-1836            >>> Select().select("x").from_(subquery).sql()
-1837            'SELECT x FROM (SELECT x FROM tbl)'
-1838
-1839        Args:
-1840            alias (str | Identifier): an optional alias for the subquery
-1841            copy (bool): if `False`, modify this expression instance in-place.
-1842
-1843        Returns:
-1844            Alias: the subquery
-1845        """
-1846        instance = _maybe_copy(self, copy)
-1847        return Subquery(
-1848            this=instance,
-1849            alias=TableAlias(this=to_identifier(alias)) if alias else None,
-1850        )
-1851
-1852    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1853        raise NotImplementedError
-1854
-1855    @property
-1856    def ctes(self):
-1857        with_ = self.args.get("with")
-1858        if not with_:
-1859            return []
-1860        return with_.expressions
-1861
-1862    @property
-1863    def selects(self):
-1864        raise NotImplementedError("Subqueryable objects must implement `selects`")
-1865
-1866    @property
-1867    def named_selects(self):
-1868        raise NotImplementedError("Subqueryable objects must implement `named_selects`")
-1869
-1870    def with_(
-1871        self,
-1872        alias,
-1873        as_,
-1874        recursive=None,
-1875        append=True,
-1876        dialect=None,
-1877        copy=True,
-1878        **opts,
-1879    ):
-1880        """
-1881        Append to or set the common table expressions.
-1882
-1883        Example:
-1884            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
-1885            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
-1886
-1887        Args:
-1888            alias (str | Expression): the SQL code string to parse as the table name.
-1889                If an `Expression` instance is passed, this is used as-is.
-1890            as_ (str | Expression): the SQL code string to parse as the table expression.
-1891                If an `Expression` instance is passed, it will be used as-is.
-1892            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
-1893            append (bool): if `True`, add to any existing expressions.
-1894                Otherwise, this resets the expressions.
-1895            dialect (str): the dialect used to parse the input expression.
-1896            copy (bool): if `False`, modify this expression instance in-place.
-1897            opts (kwargs): other options to use to parse the input expressions.
-1898
-1899        Returns:
-1900            Select: the modified expression.
-1901        """
-1902        alias_expression = maybe_parse(
-1903            alias,
-1904            dialect=dialect,
-1905            into=TableAlias,
-1906            **opts,
-1907        )
-1908        as_expression = maybe_parse(
-1909            as_,
-1910            dialect=dialect,
-1911            **opts,
-1912        )
-1913        cte = CTE(
-1914            this=as_expression,
-1915            alias=alias_expression,
-1916        )
-1917        return _apply_child_list_builder(
-1918            cte,
-1919            instance=self,
-1920            arg="with",
-1921            append=append,
-1922            copy=copy,
-1923            into=With,
-1924            properties={"recursive": recursive or False},
-1925        )
+            
    1952class Subqueryable(Unionable):
+1953    def subquery(self, alias=None, copy=True) -> Subquery:
+1954        """
+1955        Convert this expression to an aliased expression that can be used as a Subquery.
+1956
+1957        Example:
+1958            >>> subquery = Select().select("x").from_("tbl").subquery()
+1959            >>> Select().select("x").from_(subquery).sql()
+1960            'SELECT x FROM (SELECT x FROM tbl)'
+1961
+1962        Args:
+1963            alias (str | Identifier): an optional alias for the subquery
+1964            copy (bool): if `False`, modify this expression instance in-place.
+1965
+1966        Returns:
+1967            Alias: the subquery
+1968        """
+1969        instance = _maybe_copy(self, copy)
+1970        return Subquery(
+1971            this=instance,
+1972            alias=TableAlias(this=to_identifier(alias)) if alias else None,
+1973        )
+1974
+1975    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+1976        raise NotImplementedError
+1977
+1978    @property
+1979    def ctes(self):
+1980        with_ = self.args.get("with")
+1981        if not with_:
+1982            return []
+1983        return with_.expressions
+1984
+1985    @property
+1986    def selects(self):
+1987        raise NotImplementedError("Subqueryable objects must implement `selects`")
+1988
+1989    @property
+1990    def named_selects(self):
+1991        raise NotImplementedError("Subqueryable objects must implement `named_selects`")
+1992
+1993    def with_(
+1994        self,
+1995        alias,
+1996        as_,
+1997        recursive=None,
+1998        append=True,
+1999        dialect=None,
+2000        copy=True,
+2001        **opts,
+2002    ):
+2003        """
+2004        Append to or set the common table expressions.
+2005
+2006        Example:
+2007            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
+2008            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
+2009
+2010        Args:
+2011            alias (str | Expression): the SQL code string to parse as the table name.
+2012                If an `Expression` instance is passed, this is used as-is.
+2013            as_ (str | Expression): the SQL code string to parse as the table expression.
+2014                If an `Expression` instance is passed, it will be used as-is.
+2015            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
+2016            append (bool): if `True`, add to any existing expressions.
+2017                Otherwise, this resets the expressions.
+2018            dialect (str): the dialect used to parse the input expression.
+2019            copy (bool): if `False`, modify this expression instance in-place.
+2020            opts (kwargs): other options to use to parse the input expressions.
+2021
+2022        Returns:
+2023            Select: the modified expression.
+2024        """
+2025        alias_expression = maybe_parse(
+2026            alias,
+2027            dialect=dialect,
+2028            into=TableAlias,
+2029            **opts,
+2030        )
+2031        as_expression = maybe_parse(
+2032            as_,
+2033            dialect=dialect,
+2034            **opts,
+2035        )
+2036        cte = CTE(
+2037            this=as_expression,
+2038            alias=alias_expression,
+2039        )
+2040        return _apply_child_list_builder(
+2041            cte,
+2042            instance=self,
+2043            arg="with",
+2044            append=append,
+2045            copy=copy,
+2046            into=With,
+2047            properties={"recursive": recursive or False},
+2048        )
 
    
 
 
@@ -20954,27 +21454,27 @@ Otherwise, this resets the expression.
    - 
    1830    def subquery(self, alias=None, copy=True) -> Subquery:
-1831        """
-1832        Convert this expression to an aliased expression that can be used as a Subquery.
-1833
-1834        Example:
-1835            >>> subquery = Select().select("x").from_("tbl").subquery()
-1836            >>> Select().select("x").from_(subquery).sql()
-1837            'SELECT x FROM (SELECT x FROM tbl)'
-1838
-1839        Args:
-1840            alias (str | Identifier): an optional alias for the subquery
-1841            copy (bool): if `False`, modify this expression instance in-place.
-1842
-1843        Returns:
-1844            Alias: the subquery
-1845        """
-1846        instance = _maybe_copy(self, copy)
-1847        return Subquery(
-1848            this=instance,
-1849            alias=TableAlias(this=to_identifier(alias)) if alias else None,
-1850        )
+            
    1953    def subquery(self, alias=None, copy=True) -> Subquery:
+1954        """
+1955        Convert this expression to an aliased expression that can be used as a Subquery.
+1956
+1957        Example:
+1958            >>> subquery = Select().select("x").from_("tbl").subquery()
+1959            >>> Select().select("x").from_(subquery).sql()
+1960            'SELECT x FROM (SELECT x FROM tbl)'
+1961
+1962        Args:
+1963            alias (str | Identifier): an optional alias for the subquery
+1964            copy (bool): if `False`, modify this expression instance in-place.
+1965
+1966        Returns:
+1967            Alias: the subquery
+1968        """
+1969        instance = _maybe_copy(self, copy)
+1970        return Subquery(
+1971            this=instance,
+1972            alias=TableAlias(this=to_identifier(alias)) if alias else None,
+1973        )
 
    
 
 
@@ -21018,8 +21518,8 @@ Otherwise, this resets the expression.
    - 
    1852    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1853        raise NotImplementedError
+            
    1975    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+1976        raise NotImplementedError
 
    
 
 
@@ -21037,62 +21537,62 @@ Otherwise, this resets the expression.
    - 
    1870    def with_(
-1871        self,
-1872        alias,
-1873        as_,
-1874        recursive=None,
-1875        append=True,
-1876        dialect=None,
-1877        copy=True,
-1878        **opts,
-1879    ):
-1880        """
-1881        Append to or set the common table expressions.
-1882
-1883        Example:
-1884            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
-1885            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
-1886
-1887        Args:
-1888            alias (str | Expression): the SQL code string to parse as the table name.
-1889                If an `Expression` instance is passed, this is used as-is.
-1890            as_ (str | Expression): the SQL code string to parse as the table expression.
-1891                If an `Expression` instance is passed, it will be used as-is.
-1892            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
-1893            append (bool): if `True`, add to any existing expressions.
-1894                Otherwise, this resets the expressions.
-1895            dialect (str): the dialect used to parse the input expression.
-1896            copy (bool): if `False`, modify this expression instance in-place.
-1897            opts (kwargs): other options to use to parse the input expressions.
-1898
-1899        Returns:
-1900            Select: the modified expression.
-1901        """
-1902        alias_expression = maybe_parse(
-1903            alias,
-1904            dialect=dialect,
-1905            into=TableAlias,
-1906            **opts,
-1907        )
-1908        as_expression = maybe_parse(
-1909            as_,
-1910            dialect=dialect,
-1911            **opts,
-1912        )
-1913        cte = CTE(
-1914            this=as_expression,
-1915            alias=alias_expression,
-1916        )
-1917        return _apply_child_list_builder(
-1918            cte,
-1919            instance=self,
-1920            arg="with",
-1921            append=append,
-1922            copy=copy,
-1923            into=With,
-1924            properties={"recursive": recursive or False},
-1925        )
+            
    1993    def with_(
+1994        self,
+1995        alias,
+1996        as_,
+1997        recursive=None,
+1998        append=True,
+1999        dialect=None,
+2000        copy=True,
+2001        **opts,
+2002    ):
+2003        """
+2004        Append to or set the common table expressions.
+2005
+2006        Example:
+2007            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
+2008            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
+2009
+2010        Args:
+2011            alias (str | Expression): the SQL code string to parse as the table name.
+2012                If an `Expression` instance is passed, this is used as-is.
+2013            as_ (str | Expression): the SQL code string to parse as the table expression.
+2014                If an `Expression` instance is passed, it will be used as-is.
+2015            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
+2016            append (bool): if `True`, add to any existing expressions.
+2017                Otherwise, this resets the expressions.
+2018            dialect (str): the dialect used to parse the input expression.
+2019            copy (bool): if `False`, modify this expression instance in-place.
+2020            opts (kwargs): other options to use to parse the input expressions.
+2021
+2022        Returns:
+2023            Select: the modified expression.
+2024        """
+2025        alias_expression = maybe_parse(
+2026            alias,
+2027            dialect=dialect,
+2028            into=TableAlias,
+2029            **opts,
+2030        )
+2031        as_expression = maybe_parse(
+2032            as_,
+2033            dialect=dialect,
+2034            **opts,
+2035        )
+2036        cte = CTE(
+2037            this=as_expression,
+2038            alias=alias_expression,
+2039        )
+2040        return _apply_child_list_builder(
+2041            cte,
+2042            instance=self,
+2043            arg="with",
+2044            append=append,
+2045            copy=copy,
+2046            into=With,
+2047            properties={"recursive": recursive or False},
+2048        )
 
    
 
 
@@ -21195,26 +21695,26 @@ Otherwise, this resets the expressions.
    - 
    1949class Table(Expression):
-1950    arg_types = {
-1951        "this": True,
-1952        "alias": False,
-1953        "db": False,
-1954        "catalog": False,
-1955        "laterals": False,
-1956        "joins": False,
-1957        "pivots": False,
-1958        "hints": False,
-1959        "system_time": False,
-1960    }
-1961
-1962    @property
-1963    def db(self) -> str:
-1964        return self.text("db")
-1965
-1966    @property
-1967    def catalog(self) -> str:
-1968        return self.text("catalog")
+            
    2072class Table(Expression):
+2073    arg_types = {
+2074        "this": True,
+2075        "alias": False,
+2076        "db": False,
+2077        "catalog": False,
+2078        "laterals": False,
+2079        "joins": False,
+2080        "pivots": False,
+2081        "hints": False,
+2082        "system_time": False,
+2083    }
+2084
+2085    @property
+2086    def db(self) -> str:
+2087        return self.text("db")
+2088
+2089    @property
+2090    def catalog(self) -> str:
+2091        return self.text("catalog")
 
    
 
 
@@ -21277,12 +21777,12 @@ Otherwise, this resets the expressions.
    - 
    1972class SystemTime(Expression):
-1973    arg_types = {
-1974        "this": False,
-1975        "expression": False,
-1976        "kind": True,
-1977    }
+            
    2095class SystemTime(Expression):
+2096    arg_types = {
+2097        "this": False,
+2098        "expression": False,
+2099        "kind": True,
+2100    }
 
    
 
 
@@ -21345,94 +21845,94 @@ Otherwise, this resets the expressions.
    - 
    1980class Union(Subqueryable):
-1981    arg_types = {
-1982        "with": False,
-1983        "this": True,
-1984        "expression": True,
-1985        "distinct": False,
-1986        **QUERY_MODIFIERS,
-1987    }
-1988
-1989    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1990        """
-1991        Set the LIMIT expression.
-1992
-1993        Example:
-1994            >>> select("1").union(select("1")).limit(1).sql()
-1995            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
-1996
-1997        Args:
-1998            expression (str | int | Expression): the SQL code string to parse.
-1999                This can also be an integer.
-2000                If a `Limit` instance is passed, this is used as-is.
-2001                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-2002            dialect (str): the dialect used to parse the input expression.
-2003            copy (bool): if `False`, modify this expression instance in-place.
-2004            opts (kwargs): other options to use to parse the input expressions.
-2005
-2006        Returns:
-2007            Select: The limited subqueryable.
-2008        """
-2009        return (
-2010            select("*")
-2011            .from_(self.subquery(alias="_l_0", copy=copy))
-2012            .limit(expression, dialect=dialect, copy=False, **opts)
-2013        )
-2014
-2015    def select(
-2016        self,
-2017        *expressions: ExpOrStr,
-2018        append: bool = True,
-2019        dialect: DialectType = None,
-2020        copy: bool = True,
-2021        **opts,
-2022    ) -> Union:
-2023        """Append to or set the SELECT of the union recursively.
-2024
-2025        Example:
-2026            >>> from sqlglot import parse_one
-2027            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
-2028            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
-2029
-2030        Args:
-2031            *expressions: the SQL code strings to parse.
-2032                If an `Expression` instance is passed, it will be used as-is.
-2033            append: if `True`, add to any existing expressions.
-2034                Otherwise, this resets the expressions.
-2035            dialect: the dialect used to parse the input expressions.
-2036            copy: if `False`, modify this expression instance in-place.
-2037            opts: other options to use to parse the input expressions.
-2038
-2039        Returns:
-2040            Union: the modified expression.
-2041        """
-2042        this = self.copy() if copy else self
-2043        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
-2044        this.expression.unnest().select(
-2045            *expressions, append=append, dialect=dialect, copy=False, **opts
-2046        )
-2047        return this
-2048
-2049    @property
-2050    def named_selects(self):
-2051        return self.this.unnest().named_selects
-2052
-2053    @property
-2054    def is_star(self) -> bool:
-2055        return self.this.is_star or self.expression.is_star
-2056
-2057    @property
-2058    def selects(self):
-2059        return self.this.unnest().selects
-2060
-2061    @property
-2062    def left(self):
-2063        return self.this
-2064
-2065    @property
-2066    def right(self):
-2067        return self.expression
+            
    2103class Union(Subqueryable):
+2104    arg_types = {
+2105        "with": False,
+2106        "this": True,
+2107        "expression": True,
+2108        "distinct": False,
+2109        **QUERY_MODIFIERS,
+2110    }
+2111
+2112    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+2113        """
+2114        Set the LIMIT expression.
+2115
+2116        Example:
+2117            >>> select("1").union(select("1")).limit(1).sql()
+2118            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
+2119
+2120        Args:
+2121            expression (str | int | Expression): the SQL code string to parse.
+2122                This can also be an integer.
+2123                If a `Limit` instance is passed, this is used as-is.
+2124                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+2125            dialect (str): the dialect used to parse the input expression.
+2126            copy (bool): if `False`, modify this expression instance in-place.
+2127            opts (kwargs): other options to use to parse the input expressions.
+2128
+2129        Returns:
+2130            Select: The limited subqueryable.
+2131        """
+2132        return (
+2133            select("*")
+2134            .from_(self.subquery(alias="_l_0", copy=copy))
+2135            .limit(expression, dialect=dialect, copy=False, **opts)
+2136        )
+2137
+2138    def select(
+2139        self,
+2140        *expressions: ExpOrStr,
+2141        append: bool = True,
+2142        dialect: DialectType = None,
+2143        copy: bool = True,
+2144        **opts,
+2145    ) -> Union:
+2146        """Append to or set the SELECT of the union recursively.
+2147
+2148        Example:
+2149            >>> from sqlglot import parse_one
+2150            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
+2151            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
+2152
+2153        Args:
+2154            *expressions: the SQL code strings to parse.
+2155                If an `Expression` instance is passed, it will be used as-is.
+2156            append: if `True`, add to any existing expressions.
+2157                Otherwise, this resets the expressions.
+2158            dialect: the dialect used to parse the input expressions.
+2159            copy: if `False`, modify this expression instance in-place.
+2160            opts: other options to use to parse the input expressions.
+2161
+2162        Returns:
+2163            Union: the modified expression.
+2164        """
+2165        this = self.copy() if copy else self
+2166        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
+2167        this.expression.unnest().select(
+2168            *expressions, append=append, dialect=dialect, copy=False, **opts
+2169        )
+2170        return this
+2171
+2172    @property
+2173    def named_selects(self):
+2174        return self.this.unnest().named_selects
+2175
+2176    @property
+2177    def is_star(self) -> bool:
+2178        return self.this.is_star or self.expression.is_star
+2179
+2180    @property
+2181    def selects(self):
+2182        return self.this.unnest().selects
+2183
+2184    @property
+2185    def left(self):
+2186        return self.this
+2187
+2188    @property
+2189    def right(self):
+2190        return self.expression
 
    
 
 
@@ -21449,31 +21949,31 @@ Otherwise, this resets the expressions.
    - 
    1989    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1990        """
-1991        Set the LIMIT expression.
-1992
-1993        Example:
-1994            >>> select("1").union(select("1")).limit(1).sql()
-1995            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
-1996
-1997        Args:
-1998            expression (str | int | Expression): the SQL code string to parse.
-1999                This can also be an integer.
-2000                If a `Limit` instance is passed, this is used as-is.
-2001                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-2002            dialect (str): the dialect used to parse the input expression.
-2003            copy (bool): if `False`, modify this expression instance in-place.
-2004            opts (kwargs): other options to use to parse the input expressions.
-2005
-2006        Returns:
-2007            Select: The limited subqueryable.
-2008        """
-2009        return (
-2010            select("*")
-2011            .from_(self.subquery(alias="_l_0", copy=copy))
-2012            .limit(expression, dialect=dialect, copy=False, **opts)
-2013        )
+            
    2112    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+2113        """
+2114        Set the LIMIT expression.
+2115
+2116        Example:
+2117            >>> select("1").union(select("1")).limit(1).sql()
+2118            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
+2119
+2120        Args:
+2121            expression (str | int | Expression): the SQL code string to parse.
+2122                This can also be an integer.
+2123                If a `Limit` instance is passed, this is used as-is.
+2124                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+2125            dialect (str): the dialect used to parse the input expression.
+2126            copy (bool): if `False`, modify this expression instance in-place.
+2127            opts (kwargs): other options to use to parse the input expressions.
+2128
+2129        Returns:
+2130            Select: The limited subqueryable.
+2131        """
+2132        return (
+2133            select("*")
+2134            .from_(self.subquery(alias="_l_0", copy=copy))
+2135            .limit(expression, dialect=dialect, copy=False, **opts)
+2136        )
 
    
 
 
@@ -21521,39 +22021,39 @@ If another Expression instance is passed,
    - 
    2015    def select(
-2016        self,
-2017        *expressions: ExpOrStr,
-2018        append: bool = True,
-2019        dialect: DialectType = None,
-2020        copy: bool = True,
-2021        **opts,
-2022    ) -> Union:
-2023        """Append to or set the SELECT of the union recursively.
-2024
-2025        Example:
-2026            >>> from sqlglot import parse_one
-2027            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
-2028            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
-2029
-2030        Args:
-2031            *expressions: the SQL code strings to parse.
-2032                If an `Expression` instance is passed, it will be used as-is.
-2033            append: if `True`, add to any existing expressions.
-2034                Otherwise, this resets the expressions.
-2035            dialect: the dialect used to parse the input expressions.
-2036            copy: if `False`, modify this expression instance in-place.
-2037            opts: other options to use to parse the input expressions.
-2038
-2039        Returns:
-2040            Union: the modified expression.
-2041        """
-2042        this = self.copy() if copy else self
-2043        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
-2044        this.expression.unnest().select(
-2045            *expressions, append=append, dialect=dialect, copy=False, **opts
-2046        )
-2047        return this
+            
    2138    def select(
+2139        self,
+2140        *expressions: ExpOrStr,
+2141        append: bool = True,
+2142        dialect: DialectType = None,
+2143        copy: bool = True,
+2144        **opts,
+2145    ) -> Union:
+2146        """Append to or set the SELECT of the union recursively.
+2147
+2148        Example:
+2149            >>> from sqlglot import parse_one
+2150            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
+2151            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
+2152
+2153        Args:
+2154            *expressions: the SQL code strings to parse.
+2155                If an `Expression` instance is passed, it will be used as-is.
+2156            append: if `True`, add to any existing expressions.
+2157                Otherwise, this resets the expressions.
+2158            dialect: the dialect used to parse the input expressions.
+2159            copy: if `False`, modify this expression instance in-place.
+2160            opts: other options to use to parse the input expressions.
+2161
+2162        Returns:
+2163            Union: the modified expression.
+2164        """
+2165        this = self.copy() if copy else self
+2166        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
+2167        this.expression.unnest().select(
+2168            *expressions, append=append, dialect=dialect, copy=False, **opts
+2169        )
+2170        return this
 
    
 
 
@@ -21671,8 +22171,8 @@ Otherwise, this resets the expressions.
    - 
    2070class Except(Union):
-2071    pass
+            
    2193class Except(Union):
+2194    pass
 
    
 
 
@@ -21751,8 +22251,8 @@ Otherwise, this resets the expressions.
    - 
    2074class Intersect(Union):
-2075    pass
+            
    2197class Intersect(Union):
+2198    pass
 
    
 
 
@@ -21831,13 +22331,13 @@ Otherwise, this resets the expressions.
    - 
    2078class Unnest(UDTF):
-2079    arg_types = {
-2080        "expressions": True,
-2081        "ordinality": False,
-2082        "alias": False,
-2083        "offset": False,
-2084    }
+            
    2201class Unnest(UDTF):
+2202    arg_types = {
+2203        "expressions": True,
+2204        "ordinality": False,
+2205        "alias": False,
+2206        "offset": False,
+2207    }
 
    
 
 
@@ -21906,15 +22406,15 @@ Otherwise, this resets the expressions.
    - 
    2087class Update(Expression):
-2088    arg_types = {
-2089        "with": False,
-2090        "this": False,
-2091        "expressions": True,
-2092        "from": False,
-2093        "where": False,
-2094        "returning": False,
-2095    }
+            
    2210class Update(Expression):
+2211    arg_types = {
+2212        "with": False,
+2213        "this": False,
+2214        "expressions": True,
+2215        "from": False,
+2216        "where": False,
+2217        "returning": False,
+2218    }
 
    
 
 
@@ -21977,12 +22477,12 @@ Otherwise, this resets the expressions.
    - 
    2098class Values(UDTF):
-2099    arg_types = {
-2100        "expressions": True,
-2101        "ordinality": False,
-2102        "alias": False,
-2103    }
+            
    2221class Values(UDTF):
+2222    arg_types = {
+2223        "expressions": True,
+2224        "ordinality": False,
+2225        "alias": False,
+2226    }
 
    
 
 
@@ -22051,8 +22551,8 @@ Otherwise, this resets the expressions.
    - 
    2106class Var(Expression):
-2107    pass
+            
    2229class Var(Expression):
+2230    pass
 
    
 
 
@@ -22115,8 +22615,8 @@ Otherwise, this resets the expressions.
    - 
    2110class Schema(Expression):
-2111    arg_types = {"this": False, "expressions": False}
+            
    2233class Schema(Expression):
+2234    arg_types = {"this": False, "expressions": False}
 
    
 
 
@@ -22179,8 +22679,8 @@ Otherwise, this resets the expressions.
    - 
    2116class Lock(Expression):
-2117    arg_types = {"update": True}
+            
    2239class Lock(Expression):
+2240    arg_types = {"update": True}
 
    
 
 
@@ -22243,591 +22743,593 @@ Otherwise, this resets the expressions.
    - 
    2120class Select(Subqueryable):
-2121    arg_types = {
-2122        "with": False,
-2123        "kind": False,
-2124        "expressions": False,
-2125        "hint": False,
-2126        "distinct": False,
-2127        "into": False,
-2128        "from": False,
-2129        **QUERY_MODIFIERS,
-2130    }
-2131
-2132    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2133        """
-2134        Set the FROM expression.
-2135
-2136        Example:
-2137            >>> Select().from_("tbl").select("x").sql()
-2138            'SELECT x FROM tbl'
-2139
-2140        Args:
-2141            *expressions (str | Expression): the SQL code strings to parse.
-2142                If a `From` instance is passed, this is used as-is.
-2143                If another `Expression` instance is passed, it will be wrapped in a `From`.
-2144            append (bool): if `True`, add to any existing expressions.
-2145                Otherwise, this flattens all the `From` expression into a single expression.
-2146            dialect (str): the dialect used to parse the input expression.
-2147            copy (bool): if `False`, modify this expression instance in-place.
-2148            opts (kwargs): other options to use to parse the input expressions.
-2149
-2150        Returns:
-2151            Select: the modified expression.
-2152        """
-2153        return _apply_child_list_builder(
-2154            *expressions,
-2155            instance=self,
-2156            arg="from",
-2157            append=append,
-2158            copy=copy,
-2159            prefix="FROM",
-2160            into=From,
-2161            dialect=dialect,
-2162            **opts,
-2163        )
-2164
-2165    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2166        """
-2167        Set the GROUP BY expression.
-2168
-2169        Example:
-2170            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
-2171            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
-2172
-2173        Args:
-2174            *expressions (str | Expression): the SQL code strings to parse.
-2175                If a `Group` instance is passed, this is used as-is.
-2176                If another `Expression` instance is passed, it will be wrapped in a `Group`.
-2177                If nothing is passed in then a group by is not applied to the expression
-2178            append (bool): if `True`, add to any existing expressions.
-2179                Otherwise, this flattens all the `Group` expression into a single expression.
-2180            dialect (str): the dialect used to parse the input expression.
-2181            copy (bool): if `False`, modify this expression instance in-place.
-2182            opts (kwargs): other options to use to parse the input expressions.
-2183
-2184        Returns:
-2185            Select: the modified expression.
-2186        """
-2187        if not expressions:
-2188            return self if not copy else self.copy()
-2189        return _apply_child_list_builder(
-2190            *expressions,
-2191            instance=self,
-2192            arg="group",
-2193            append=append,
-2194            copy=copy,
-2195            prefix="GROUP BY",
-2196            into=Group,
-2197            dialect=dialect,
-2198            **opts,
-2199        )
-2200
-2201    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2202        """
-2203        Set the ORDER BY expression.
-2204
-2205        Example:
-2206            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
-2207            'SELECT x FROM tbl ORDER BY x DESC'
-2208
-2209        Args:
-2210            *expressions (str | Expression): the SQL code strings to parse.
-2211                If a `Group` instance is passed, this is used as-is.
-2212                If another `Expression` instance is passed, it will be wrapped in a `Order`.
-2213            append (bool): if `True`, add to any existing expressions.
-2214                Otherwise, this flattens all the `Order` expression into a single expression.
-2215            dialect (str): the dialect used to parse the input expression.
-2216            copy (bool): if `False`, modify this expression instance in-place.
-2217            opts (kwargs): other options to use to parse the input expressions.
-2218
-2219        Returns:
-2220            Select: the modified expression.
-2221        """
-2222        return _apply_child_list_builder(
-2223            *expressions,
-2224            instance=self,
-2225            arg="order",
-2226            append=append,
-2227            copy=copy,
-2228            prefix="ORDER BY",
-2229            into=Order,
-2230            dialect=dialect,
-2231            **opts,
-2232        )
-2233
-2234    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2235        """
-2236        Set the SORT BY expression.
-2237
-2238        Example:
-2239            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
-2240            'SELECT x FROM tbl SORT BY x DESC'
-2241
-2242        Args:
-2243            *expressions (str | Expression): the SQL code strings to parse.
-2244                If a `Group` instance is passed, this is used as-is.
-2245                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
-2246            append (bool): if `True`, add to any existing expressions.
-2247                Otherwise, this flattens all the `Order` expression into a single expression.
-2248            dialect (str): the dialect used to parse the input expression.
-2249            copy (bool): if `False`, modify this expression instance in-place.
-2250            opts (kwargs): other options to use to parse the input expressions.
-2251
-2252        Returns:
-2253            Select: the modified expression.
-2254        """
-2255        return _apply_child_list_builder(
-2256            *expressions,
-2257            instance=self,
-2258            arg="sort",
-2259            append=append,
-2260            copy=copy,
-2261            prefix="SORT BY",
-2262            into=Sort,
-2263            dialect=dialect,
-2264            **opts,
-2265        )
-2266
-2267    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2268        """
-2269        Set the CLUSTER BY expression.
-2270
-2271        Example:
-2272            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
-2273            'SELECT x FROM tbl CLUSTER BY x DESC'
-2274
-2275        Args:
-2276            *expressions (str | Expression): the SQL code strings to parse.
-2277                If a `Group` instance is passed, this is used as-is.
-2278                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
-2279            append (bool): if `True`, add to any existing expressions.
-2280                Otherwise, this flattens all the `Order` expression into a single expression.
-2281            dialect (str): the dialect used to parse the input expression.
-2282            copy (bool): if `False`, modify this expression instance in-place.
-2283            opts (kwargs): other options to use to parse the input expressions.
-2284
-2285        Returns:
-2286            Select: the modified expression.
-2287        """
-2288        return _apply_child_list_builder(
-2289            *expressions,
-2290            instance=self,
-2291            arg="cluster",
-2292            append=append,
-2293            copy=copy,
-2294            prefix="CLUSTER BY",
-2295            into=Cluster,
-2296            dialect=dialect,
-2297            **opts,
-2298        )
-2299
-2300    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-2301        """
-2302        Set the LIMIT expression.
-2303
-2304        Example:
-2305            >>> Select().from_("tbl").select("x").limit(10).sql()
-2306            'SELECT x FROM tbl LIMIT 10'
-2307
-2308        Args:
-2309            expression (str | int | Expression): the SQL code string to parse.
-2310                This can also be an integer.
-2311                If a `Limit` instance is passed, this is used as-is.
-2312                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-2313            dialect (str): the dialect used to parse the input expression.
-2314            copy (bool): if `False`, modify this expression instance in-place.
-2315            opts (kwargs): other options to use to parse the input expressions.
-2316
-2317        Returns:
-2318            Select: the modified expression.
-2319        """
-2320        return _apply_builder(
-2321            expression=expression,
-2322            instance=self,
-2323            arg="limit",
-2324            into=Limit,
-2325            prefix="LIMIT",
-2326            dialect=dialect,
-2327            copy=copy,
-2328            **opts,
-2329        )
-2330
-2331    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
-2332        """
-2333        Set the OFFSET expression.
-2334
-2335        Example:
-2336            >>> Select().from_("tbl").select("x").offset(10).sql()
-2337            'SELECT x FROM tbl OFFSET 10'
-2338
-2339        Args:
-2340            expression (str | int | Expression): the SQL code string to parse.
-2341                This can also be an integer.
-2342                If a `Offset` instance is passed, this is used as-is.
-2343                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
-2344            dialect (str): the dialect used to parse the input expression.
-2345            copy (bool): if `False`, modify this expression instance in-place.
-2346            opts (kwargs): other options to use to parse the input expressions.
-2347
-2348        Returns:
-2349            Select: the modified expression.
-2350        """
-2351        return _apply_builder(
-2352            expression=expression,
-2353            instance=self,
-2354            arg="offset",
-2355            into=Offset,
-2356            prefix="OFFSET",
-2357            dialect=dialect,
-2358            copy=copy,
-2359            **opts,
-2360        )
-2361
-2362    def select(
-2363        self,
-2364        *expressions: ExpOrStr,
-2365        append: bool = True,
-2366        dialect: DialectType = None,
-2367        copy: bool = True,
-2368        **opts,
-2369    ) -> Select:
-2370        """
-2371        Append to or set the SELECT expressions.
-2372
-2373        Example:
-2374            >>> Select().select("x", "y").sql()
-2375            'SELECT x, y'
-2376
-2377        Args:
-2378            *expressions: the SQL code strings to parse.
-2379                If an `Expression` instance is passed, it will be used as-is.
-2380            append: if `True`, add to any existing expressions.
-2381                Otherwise, this resets the expressions.
-2382            dialect: the dialect used to parse the input expressions.
-2383            copy: if `False`, modify this expression instance in-place.
-2384            opts: other options to use to parse the input expressions.
-2385
-2386        Returns:
-2387            Select: the modified expression.
-2388        """
-2389        return _apply_list_builder(
-2390            *expressions,
-2391            instance=self,
-2392            arg="expressions",
-2393            append=append,
-2394            dialect=dialect,
-2395            copy=copy,
-2396            **opts,
-2397        )
-2398
-2399    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2400        """
-2401        Append to or set the LATERAL expressions.
-2402
-2403        Example:
-2404            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
-2405            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
-2406
-2407        Args:
-2408            *expressions (str | Expression): the SQL code strings to parse.
-2409                If an `Expression` instance is passed, it will be used as-is.
-2410            append (bool): if `True`, add to any existing expressions.
-2411                Otherwise, this resets the expressions.
-2412            dialect (str): the dialect used to parse the input expressions.
-2413            copy (bool): if `False`, modify this expression instance in-place.
-2414            opts (kwargs): other options to use to parse the input expressions.
-2415
-2416        Returns:
-2417            Select: the modified expression.
-2418        """
-2419        return _apply_list_builder(
-2420            *expressions,
-2421            instance=self,
-2422            arg="laterals",
-2423            append=append,
-2424            into=Lateral,
-2425            prefix="LATERAL VIEW",
-2426            dialect=dialect,
-2427            copy=copy,
-2428            **opts,
-2429        )
+            
    2243class Select(Subqueryable):
+2244    arg_types = {
+2245        "with": False,
+2246        "kind": False,
+2247        "expressions": False,
+2248        "hint": False,
+2249        "distinct": False,
+2250        "into": False,
+2251        "from": False,
+2252        **QUERY_MODIFIERS,
+2253    }
+2254
+2255    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2256        """
+2257        Set the FROM expression.
+2258
+2259        Example:
+2260            >>> Select().from_("tbl").select("x").sql()
+2261            'SELECT x FROM tbl'
+2262
+2263        Args:
+2264            *expressions (str | Expression): the SQL code strings to parse.
+2265                If a `From` instance is passed, this is used as-is.
+2266                If another `Expression` instance is passed, it will be wrapped in a `From`.
+2267            append (bool): if `True`, add to any existing expressions.
+2268                Otherwise, this flattens all the `From` expression into a single expression.
+2269            dialect (str): the dialect used to parse the input expression.
+2270            copy (bool): if `False`, modify this expression instance in-place.
+2271            opts (kwargs): other options to use to parse the input expressions.
+2272
+2273        Returns:
+2274            Select: the modified expression.
+2275        """
+2276        return _apply_child_list_builder(
+2277            *expressions,
+2278            instance=self,
+2279            arg="from",
+2280            append=append,
+2281            copy=copy,
+2282            prefix="FROM",
+2283            into=From,
+2284            dialect=dialect,
+2285            **opts,
+2286        )
+2287
+2288    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2289        """
+2290        Set the GROUP BY expression.
+2291
+2292        Example:
+2293            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
+2294            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
+2295
+2296        Args:
+2297            *expressions (str | Expression): the SQL code strings to parse.
+2298                If a `Group` instance is passed, this is used as-is.
+2299                If another `Expression` instance is passed, it will be wrapped in a `Group`.
+2300                If nothing is passed in then a group by is not applied to the expression
+2301            append (bool): if `True`, add to any existing expressions.
+2302                Otherwise, this flattens all the `Group` expression into a single expression.
+2303            dialect (str): the dialect used to parse the input expression.
+2304            copy (bool): if `False`, modify this expression instance in-place.
+2305            opts (kwargs): other options to use to parse the input expressions.
+2306
+2307        Returns:
+2308            Select: the modified expression.
+2309        """
+2310        if not expressions:
+2311            return self if not copy else self.copy()
+2312        return _apply_child_list_builder(
+2313            *expressions,
+2314            instance=self,
+2315            arg="group",
+2316            append=append,
+2317            copy=copy,
+2318            prefix="GROUP BY",
+2319            into=Group,
+2320            dialect=dialect,
+2321            **opts,
+2322        )
+2323
+2324    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2325        """
+2326        Set the ORDER BY expression.
+2327
+2328        Example:
+2329            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
+2330            'SELECT x FROM tbl ORDER BY x DESC'
+2331
+2332        Args:
+2333            *expressions (str | Expression): the SQL code strings to parse.
+2334                If a `Group` instance is passed, this is used as-is.
+2335                If another `Expression` instance is passed, it will be wrapped in a `Order`.
+2336            append (bool): if `True`, add to any existing expressions.
+2337                Otherwise, this flattens all the `Order` expression into a single expression.
+2338            dialect (str): the dialect used to parse the input expression.
+2339            copy (bool): if `False`, modify this expression instance in-place.
+2340            opts (kwargs): other options to use to parse the input expressions.
+2341
+2342        Returns:
+2343            Select: the modified expression.
+2344        """
+2345        return _apply_child_list_builder(
+2346            *expressions,
+2347            instance=self,
+2348            arg="order",
+2349            append=append,
+2350            copy=copy,
+2351            prefix="ORDER BY",
+2352            into=Order,
+2353            dialect=dialect,
+2354            **opts,
+2355        )
+2356
+2357    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2358        """
+2359        Set the SORT BY expression.
+2360
+2361        Example:
+2362            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
+2363            'SELECT x FROM tbl SORT BY x DESC'
+2364
+2365        Args:
+2366            *expressions (str | Expression): the SQL code strings to parse.
+2367                If a `Group` instance is passed, this is used as-is.
+2368                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
+2369            append (bool): if `True`, add to any existing expressions.
+2370                Otherwise, this flattens all the `Order` expression into a single expression.
+2371            dialect (str): the dialect used to parse the input expression.
+2372            copy (bool): if `False`, modify this expression instance in-place.
+2373            opts (kwargs): other options to use to parse the input expressions.
+2374
+2375        Returns:
+2376            Select: the modified expression.
+2377        """
+2378        return _apply_child_list_builder(
+2379            *expressions,
+2380            instance=self,
+2381            arg="sort",
+2382            append=append,
+2383            copy=copy,
+2384            prefix="SORT BY",
+2385            into=Sort,
+2386            dialect=dialect,
+2387            **opts,
+2388        )
+2389
+2390    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2391        """
+2392        Set the CLUSTER BY expression.
+2393
+2394        Example:
+2395            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
+2396            'SELECT x FROM tbl CLUSTER BY x DESC'
+2397
+2398        Args:
+2399            *expressions (str | Expression): the SQL code strings to parse.
+2400                If a `Group` instance is passed, this is used as-is.
+2401                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
+2402            append (bool): if `True`, add to any existing expressions.
+2403                Otherwise, this flattens all the `Order` expression into a single expression.
+2404            dialect (str): the dialect used to parse the input expression.
+2405            copy (bool): if `False`, modify this expression instance in-place.
+2406            opts (kwargs): other options to use to parse the input expressions.
+2407
+2408        Returns:
+2409            Select: the modified expression.
+2410        """
+2411        return _apply_child_list_builder(
+2412            *expressions,
+2413            instance=self,
+2414            arg="cluster",
+2415            append=append,
+2416            copy=copy,
+2417            prefix="CLUSTER BY",
+2418            into=Cluster,
+2419            dialect=dialect,
+2420            **opts,
+2421        )
+2422
+2423    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+2424        """
+2425        Set the LIMIT expression.
+2426
+2427        Example:
+2428            >>> Select().from_("tbl").select("x").limit(10).sql()
+2429            'SELECT x FROM tbl LIMIT 10'
 2430
-2431    def join(
-2432        self,
-2433        expression,
-2434        on=None,
-2435        using=None,
-2436        append=True,
-2437        join_type=None,
-2438        join_alias=None,
-2439        dialect=None,
-2440        copy=True,
-2441        **opts,
-2442    ) -> Select:
-2443        """
-2444        Append to or set the JOIN expressions.
-2445
-2446        Example:
-2447            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
-2448            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
-2449
-2450            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
-2451            'SELECT 1 FROM a JOIN b USING (x, y, z)'
-2452
-2453            Use `join_type` to change the type of join:
-2454
-2455            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
-2456            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
+2431        Args:
+2432            expression (str | int | Expression): the SQL code string to parse.
+2433                This can also be an integer.
+2434                If a `Limit` instance is passed, this is used as-is.
+2435                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+2436            dialect (str): the dialect used to parse the input expression.
+2437            copy (bool): if `False`, modify this expression instance in-place.
+2438            opts (kwargs): other options to use to parse the input expressions.
+2439
+2440        Returns:
+2441            Select: the modified expression.
+2442        """
+2443        return _apply_builder(
+2444            expression=expression,
+2445            instance=self,
+2446            arg="limit",
+2447            into=Limit,
+2448            prefix="LIMIT",
+2449            dialect=dialect,
+2450            copy=copy,
+2451            **opts,
+2452        )
+2453
+2454    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
+2455        """
+2456        Set the OFFSET expression.
 2457
-2458        Args:
-2459            expression (str | Expression): the SQL code string to parse.
-2460                If an `Expression` instance is passed, it will be used as-is.
-2461            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
-2462                If an `Expression` instance is passed, it will be used as-is.
-2463            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
-2464                If an `Expression` instance is passed, it will be used as-is.
-2465            append (bool): if `True`, add to any existing expressions.
-2466                Otherwise, this resets the expressions.
-2467            join_type (str): If set, alter the parsed join type
-2468            dialect (str): the dialect used to parse the input expressions.
-2469            copy (bool): if `False`, modify this expression instance in-place.
-2470            opts (kwargs): other options to use to parse the input expressions.
-2471
-2472        Returns:
-2473            Select: the modified expression.
-2474        """
-2475        parse_args = {"dialect": dialect, **opts}
-2476
-2477        try:
-2478            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
-2479        except ParseError:
-2480            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
-2481
-2482        join = expression if isinstance(expression, Join) else Join(this=expression)
-2483
-2484        if isinstance(join.this, Select):
-2485            join.this.replace(join.this.subquery())
-2486
-2487        if join_type:
-2488            natural: t.Optional[Token]
-2489            side: t.Optional[Token]
-2490            kind: t.Optional[Token]
-2491
-2492            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
-2493
-2494            if natural:
-2495                join.set("natural", True)
-2496            if side:
-2497                join.set("side", side.text)
-2498            if kind:
-2499                join.set("kind", kind.text)
-2500
-2501        if on:
-2502            on = and_(*ensure_collection(on), dialect=dialect, **opts)
-2503            join.set("on", on)
-2504
-2505        if using:
-2506            join = _apply_list_builder(
-2507                *ensure_collection(using),
-2508                instance=join,
-2509                arg="using",
-2510                append=append,
-2511                copy=copy,
-2512                **opts,
-2513            )
-2514
-2515        if join_alias:
-2516            join.set("this", alias_(join.this, join_alias, table=True))
-2517        return _apply_list_builder(
-2518            join,
-2519            instance=self,
-2520            arg="joins",
-2521            append=append,
-2522            copy=copy,
-2523            **opts,
-2524        )
+2458        Example:
+2459            >>> Select().from_("tbl").select("x").offset(10).sql()
+2460            'SELECT x FROM tbl OFFSET 10'
+2461
+2462        Args:
+2463            expression (str | int | Expression): the SQL code string to parse.
+2464                This can also be an integer.
+2465                If a `Offset` instance is passed, this is used as-is.
+2466                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
+2467            dialect (str): the dialect used to parse the input expression.
+2468            copy (bool): if `False`, modify this expression instance in-place.
+2469            opts (kwargs): other options to use to parse the input expressions.
+2470
+2471        Returns:
+2472            Select: the modified expression.
+2473        """
+2474        return _apply_builder(
+2475            expression=expression,
+2476            instance=self,
+2477            arg="offset",
+2478            into=Offset,
+2479            prefix="OFFSET",
+2480            dialect=dialect,
+2481            copy=copy,
+2482            **opts,
+2483        )
+2484
+2485    def select(
+2486        self,
+2487        *expressions: ExpOrStr,
+2488        append: bool = True,
+2489        dialect: DialectType = None,
+2490        copy: bool = True,
+2491        **opts,
+2492    ) -> Select:
+2493        """
+2494        Append to or set the SELECT expressions.
+2495
+2496        Example:
+2497            >>> Select().select("x", "y").sql()
+2498            'SELECT x, y'
+2499
+2500        Args:
+2501            *expressions: the SQL code strings to parse.
+2502                If an `Expression` instance is passed, it will be used as-is.
+2503            append: if `True`, add to any existing expressions.
+2504                Otherwise, this resets the expressions.
+2505            dialect: the dialect used to parse the input expressions.
+2506            copy: if `False`, modify this expression instance in-place.
+2507            opts: other options to use to parse the input expressions.
+2508
+2509        Returns:
+2510            Select: the modified expression.
+2511        """
+2512        return _apply_list_builder(
+2513            *expressions,
+2514            instance=self,
+2515            arg="expressions",
+2516            append=append,
+2517            dialect=dialect,
+2518            copy=copy,
+2519            **opts,
+2520        )
+2521
+2522    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2523        """
+2524        Append to or set the LATERAL expressions.
 2525
-2526    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2527        """
-2528        Append to or set the WHERE expressions.
+2526        Example:
+2527            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
+2528            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
 2529
-2530        Example:
-2531            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
-2532            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
-2533
-2534        Args:
-2535            *expressions (str | Expression): the SQL code strings to parse.
-2536                If an `Expression` instance is passed, it will be used as-is.
-2537                Multiple expressions are combined with an AND operator.
-2538            append (bool): if `True`, AND the new expressions to any existing expression.
-2539                Otherwise, this resets the expression.
-2540            dialect (str): the dialect used to parse the input expressions.
-2541            copy (bool): if `False`, modify this expression instance in-place.
-2542            opts (kwargs): other options to use to parse the input expressions.
-2543
-2544        Returns:
-2545            Select: the modified expression.
-2546        """
-2547        return _apply_conjunction_builder(
-2548            *expressions,
-2549            instance=self,
-2550            arg="where",
-2551            append=append,
-2552            into=Where,
-2553            dialect=dialect,
-2554            copy=copy,
-2555            **opts,
-2556        )
-2557
-2558    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2559        """
-2560        Append to or set the HAVING expressions.
-2561
-2562        Example:
-2563            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
-2564            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
-2565
-2566        Args:
-2567            *expressions (str | Expression): the SQL code strings to parse.
-2568                If an `Expression` instance is passed, it will be used as-is.
-2569                Multiple expressions are combined with an AND operator.
-2570            append (bool): if `True`, AND the new expressions to any existing expression.
-2571                Otherwise, this resets the expression.
-2572            dialect (str): the dialect used to parse the input expressions.
-2573            copy (bool): if `False`, modify this expression instance in-place.
-2574            opts (kwargs): other options to use to parse the input expressions.
+2530        Args:
+2531            *expressions (str | Expression): the SQL code strings to parse.
+2532                If an `Expression` instance is passed, it will be used as-is.
+2533            append (bool): if `True`, add to any existing expressions.
+2534                Otherwise, this resets the expressions.
+2535            dialect (str): the dialect used to parse the input expressions.
+2536            copy (bool): if `False`, modify this expression instance in-place.
+2537            opts (kwargs): other options to use to parse the input expressions.
+2538
+2539        Returns:
+2540            Select: the modified expression.
+2541        """
+2542        return _apply_list_builder(
+2543            *expressions,
+2544            instance=self,
+2545            arg="laterals",
+2546            append=append,
+2547            into=Lateral,
+2548            prefix="LATERAL VIEW",
+2549            dialect=dialect,
+2550            copy=copy,
+2551            **opts,
+2552        )
+2553
+2554    def join(
+2555        self,
+2556        expression,
+2557        on=None,
+2558        using=None,
+2559        append=True,
+2560        join_type=None,
+2561        join_alias=None,
+2562        dialect=None,
+2563        copy=True,
+2564        **opts,
+2565    ) -> Select:
+2566        """
+2567        Append to or set the JOIN expressions.
+2568
+2569        Example:
+2570            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
+2571            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
+2572
+2573            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
+2574            'SELECT 1 FROM a JOIN b USING (x, y, z)'
 2575
-2576        Returns:
-2577            Select: the modified expression.
-2578        """
-2579        return _apply_conjunction_builder(
-2580            *expressions,
-2581            instance=self,
-2582            arg="having",
-2583            append=append,
-2584            into=Having,
-2585            dialect=dialect,
-2586            copy=copy,
-2587            **opts,
-2588        )
-2589
-2590    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2591        return _apply_list_builder(
-2592            *expressions,
-2593            instance=self,
-2594            arg="windows",
-2595            append=append,
-2596            into=Window,
-2597            dialect=dialect,
-2598            copy=copy,
-2599            **opts,
-2600        )
-2601
-2602    def qualify(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2603        return _apply_conjunction_builder(
-2604            *expressions,
-2605            instance=self,
-2606            arg="qualify",
-2607            append=append,
-2608            into=Qualify,
-2609            dialect=dialect,
-2610            copy=copy,
-2611            **opts,
-2612        )
-2613
-2614    def distinct(self, distinct=True, copy=True) -> Select:
-2615        """
-2616        Set the OFFSET expression.
-2617
-2618        Example:
-2619            >>> Select().from_("tbl").select("x").distinct().sql()
-2620            'SELECT DISTINCT x FROM tbl'
-2621
-2622        Args:
-2623            distinct (bool): whether the Select should be distinct
-2624            copy (bool): if `False`, modify this expression instance in-place.
-2625
-2626        Returns:
-2627            Select: the modified expression.
-2628        """
-2629        instance = _maybe_copy(self, copy)
-2630        instance.set("distinct", Distinct() if distinct else None)
-2631        return instance
-2632
-2633    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
-2634        """
-2635        Convert this expression to a CREATE TABLE AS statement.
-2636
-2637        Example:
-2638            >>> Select().select("*").from_("tbl").ctas("x").sql()
-2639            'CREATE TABLE x AS SELECT * FROM tbl'
-2640
-2641        Args:
-2642            table (str | Expression): the SQL code string to parse as the table name.
-2643                If another `Expression` instance is passed, it will be used as-is.
-2644            properties (dict): an optional mapping of table properties
-2645            dialect (str): the dialect used to parse the input table.
-2646            copy (bool): if `False`, modify this expression instance in-place.
-2647            opts (kwargs): other options to use to parse the input table.
+2576            Use `join_type` to change the type of join:
+2577
+2578            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
+2579            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
+2580
+2581        Args:
+2582            expression (str | Expression): the SQL code string to parse.
+2583                If an `Expression` instance is passed, it will be used as-is.
+2584            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
+2585                If an `Expression` instance is passed, it will be used as-is.
+2586            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
+2587                If an `Expression` instance is passed, it will be used as-is.
+2588            append (bool): if `True`, add to any existing expressions.
+2589                Otherwise, this resets the expressions.
+2590            join_type (str): If set, alter the parsed join type
+2591            dialect (str): the dialect used to parse the input expressions.
+2592            copy (bool): if `False`, modify this expression instance in-place.
+2593            opts (kwargs): other options to use to parse the input expressions.
+2594
+2595        Returns:
+2596            Select: the modified expression.
+2597        """
+2598        parse_args = {"dialect": dialect, **opts}
+2599
+2600        try:
+2601            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
+2602        except ParseError:
+2603            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
+2604
+2605        join = expression if isinstance(expression, Join) else Join(this=expression)
+2606
+2607        if isinstance(join.this, Select):
+2608            join.this.replace(join.this.subquery())
+2609
+2610        if join_type:
+2611            natural: t.Optional[Token]
+2612            side: t.Optional[Token]
+2613            kind: t.Optional[Token]
+2614
+2615            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
+2616
+2617            if natural:
+2618                join.set("natural", True)
+2619            if side:
+2620                join.set("side", side.text)
+2621            if kind:
+2622                join.set("kind", kind.text)
+2623
+2624        if on:
+2625            on = and_(*ensure_collection(on), dialect=dialect, copy=copy, **opts)
+2626            join.set("on", on)
+2627
+2628        if using:
+2629            join = _apply_list_builder(
+2630                *ensure_collection(using),
+2631                instance=join,
+2632                arg="using",
+2633                append=append,
+2634                copy=copy,
+2635                **opts,
+2636            )
+2637
+2638        if join_alias:
+2639            join.set("this", alias_(join.this, join_alias, table=True))
+2640        return _apply_list_builder(
+2641            join,
+2642            instance=self,
+2643            arg="joins",
+2644            append=append,
+2645            copy=copy,
+2646            **opts,
+2647        )
 2648
-2649        Returns:
-2650            Create: the CREATE TABLE AS expression
-2651        """
-2652        instance = _maybe_copy(self, copy)
-2653        table_expression = maybe_parse(
-2654            table,
-2655            into=Table,
-2656            dialect=dialect,
-2657            **opts,
-2658        )
-2659        properties_expression = None
-2660        if properties:
-2661            properties_expression = Properties.from_dict(properties)
-2662
-2663        return Create(
-2664            this=table_expression,
-2665            kind="table",
-2666            expression=instance,
-2667            properties=properties_expression,
-2668        )
-2669
-2670    def lock(self, update: bool = True, copy: bool = True) -> Select:
-2671        """
-2672        Set the locking read mode for this expression.
-2673
-2674        Examples:
-2675            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
-2676            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
-2677
-2678            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
-2679            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
+2649    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2650        """
+2651        Append to or set the WHERE expressions.
+2652
+2653        Example:
+2654            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
+2655            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
+2656
+2657        Args:
+2658            *expressions (str | Expression): the SQL code strings to parse.
+2659                If an `Expression` instance is passed, it will be used as-is.
+2660                Multiple expressions are combined with an AND operator.
+2661            append (bool): if `True`, AND the new expressions to any existing expression.
+2662                Otherwise, this resets the expression.
+2663            dialect (str): the dialect used to parse the input expressions.
+2664            copy (bool): if `False`, modify this expression instance in-place.
+2665            opts (kwargs): other options to use to parse the input expressions.
+2666
+2667        Returns:
+2668            Select: the modified expression.
+2669        """
+2670        return _apply_conjunction_builder(
+2671            *expressions,
+2672            instance=self,
+2673            arg="where",
+2674            append=append,
+2675            into=Where,
+2676            dialect=dialect,
+2677            copy=copy,
+2678            **opts,
+2679        )
 2680
-2681        Args:
-2682            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
-2683            copy: if `False`, modify this expression instance in-place.
+2681    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2682        """
+2683        Append to or set the HAVING expressions.
 2684
-2685        Returns:
-2686            The modified expression.
-2687        """
+2685        Example:
+2686            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
+2687            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
 2688
-2689        inst = _maybe_copy(self, copy)
-2690        inst.set("lock", Lock(update=update))
-2691
-2692        return inst
-2693
-2694    @property
-2695    def named_selects(self) -> t.List[str]:
-2696        return [e.output_name for e in self.expressions if e.alias_or_name]
-2697
-2698    @property
-2699    def is_star(self) -> bool:
-2700        return any(expression.is_star for expression in self.expressions)
-2701
-2702    @property
-2703    def selects(self) -> t.List[Expression]:
-2704        return self.expressions
+2689        Args:
+2690            *expressions (str | Expression): the SQL code strings to parse.
+2691                If an `Expression` instance is passed, it will be used as-is.
+2692                Multiple expressions are combined with an AND operator.
+2693            append (bool): if `True`, AND the new expressions to any existing expression.
+2694                Otherwise, this resets the expression.
+2695            dialect (str): the dialect used to parse the input expressions.
+2696            copy (bool): if `False`, modify this expression instance in-place.
+2697            opts (kwargs): other options to use to parse the input expressions.
+2698
+2699        Returns:
+2700            Select: the modified expression.
+2701        """
+2702        return _apply_conjunction_builder(
+2703            *expressions,
+2704            instance=self,
+2705            arg="having",
+2706            append=append,
+2707            into=Having,
+2708            dialect=dialect,
+2709            copy=copy,
+2710            **opts,
+2711        )
+2712
+2713    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2714        return _apply_list_builder(
+2715            *expressions,
+2716            instance=self,
+2717            arg="windows",
+2718            append=append,
+2719            into=Window,
+2720            dialect=dialect,
+2721            copy=copy,
+2722            **opts,
+2723        )
+2724
+2725    def qualify(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2726        return _apply_conjunction_builder(
+2727            *expressions,
+2728            instance=self,
+2729            arg="qualify",
+2730            append=append,
+2731            into=Qualify,
+2732            dialect=dialect,
+2733            copy=copy,
+2734            **opts,
+2735        )
+2736
+2737    def distinct(self, *ons: ExpOrStr, distinct: bool = True, copy: bool = True) -> Select:
+2738        """
+2739        Set the OFFSET expression.
+2740
+2741        Example:
+2742            >>> Select().from_("tbl").select("x").distinct().sql()
+2743            'SELECT DISTINCT x FROM tbl'
+2744
+2745        Args:
+2746            ons: the expressions to distinct on
+2747            distinct: whether the Select should be distinct
+2748            copy: if `False`, modify this expression instance in-place.
+2749
+2750        Returns:
+2751            Select: the modified expression.
+2752        """
+2753        instance = _maybe_copy(self, copy)
+2754        on = Tuple(expressions=[maybe_parse(on, copy=copy) for on in ons]) if ons else None
+2755        instance.set("distinct", Distinct(on=on) if distinct else None)
+2756        return instance
+2757
+2758    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
+2759        """
+2760        Convert this expression to a CREATE TABLE AS statement.
+2761
+2762        Example:
+2763            >>> Select().select("*").from_("tbl").ctas("x").sql()
+2764            'CREATE TABLE x AS SELECT * FROM tbl'
+2765
+2766        Args:
+2767            table (str | Expression): the SQL code string to parse as the table name.
+2768                If another `Expression` instance is passed, it will be used as-is.
+2769            properties (dict): an optional mapping of table properties
+2770            dialect (str): the dialect used to parse the input table.
+2771            copy (bool): if `False`, modify this expression instance in-place.
+2772            opts (kwargs): other options to use to parse the input table.
+2773
+2774        Returns:
+2775            Create: the CREATE TABLE AS expression
+2776        """
+2777        instance = _maybe_copy(self, copy)
+2778        table_expression = maybe_parse(
+2779            table,
+2780            into=Table,
+2781            dialect=dialect,
+2782            **opts,
+2783        )
+2784        properties_expression = None
+2785        if properties:
+2786            properties_expression = Properties.from_dict(properties)
+2787
+2788        return Create(
+2789            this=table_expression,
+2790            kind="table",
+2791            expression=instance,
+2792            properties=properties_expression,
+2793        )
+2794
+2795    def lock(self, update: bool = True, copy: bool = True) -> Select:
+2796        """
+2797        Set the locking read mode for this expression.
+2798
+2799        Examples:
+2800            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
+2801            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
+2802
+2803            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
+2804            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
+2805
+2806        Args:
+2807            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
+2808            copy: if `False`, modify this expression instance in-place.
+2809
+2810        Returns:
+2811            The modified expression.
+2812        """
+2813
+2814        inst = _maybe_copy(self, copy)
+2815        inst.set("lock", Lock(update=update))
+2816
+2817        return inst
+2818
+2819    @property
+2820    def named_selects(self) -> t.List[str]:
+2821        return [e.output_name for e in self.expressions if e.alias_or_name]
+2822
+2823    @property
+2824    def is_star(self) -> bool:
+2825        return any(expression.is_star for expression in self.expressions)
+2826
+2827    @property
+2828    def selects(self) -> t.List[Expression]:
+2829        return self.expressions
 
    
 
 
@@ -22844,38 +23346,38 @@ Otherwise, this resets the expressions.
    - 
    2132    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2133        """
-2134        Set the FROM expression.
-2135
-2136        Example:
-2137            >>> Select().from_("tbl").select("x").sql()
-2138            'SELECT x FROM tbl'
-2139
-2140        Args:
-2141            *expressions (str | Expression): the SQL code strings to parse.
-2142                If a `From` instance is passed, this is used as-is.
-2143                If another `Expression` instance is passed, it will be wrapped in a `From`.
-2144            append (bool): if `True`, add to any existing expressions.
-2145                Otherwise, this flattens all the `From` expression into a single expression.
-2146            dialect (str): the dialect used to parse the input expression.
-2147            copy (bool): if `False`, modify this expression instance in-place.
-2148            opts (kwargs): other options to use to parse the input expressions.
-2149
-2150        Returns:
-2151            Select: the modified expression.
-2152        """
-2153        return _apply_child_list_builder(
-2154            *expressions,
-2155            instance=self,
-2156            arg="from",
-2157            append=append,
-2158            copy=copy,
-2159            prefix="FROM",
-2160            into=From,
-2161            dialect=dialect,
-2162            **opts,
-2163        )
+            
    2255    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2256        """
+2257        Set the FROM expression.
+2258
+2259        Example:
+2260            >>> Select().from_("tbl").select("x").sql()
+2261            'SELECT x FROM tbl'
+2262
+2263        Args:
+2264            *expressions (str | Expression): the SQL code strings to parse.
+2265                If a `From` instance is passed, this is used as-is.
+2266                If another `Expression` instance is passed, it will be wrapped in a `From`.
+2267            append (bool): if `True`, add to any existing expressions.
+2268                Otherwise, this flattens all the `From` expression into a single expression.
+2269            dialect (str): the dialect used to parse the input expression.
+2270            copy (bool): if `False`, modify this expression instance in-place.
+2271            opts (kwargs): other options to use to parse the input expressions.
+2272
+2273        Returns:
+2274            Select: the modified expression.
+2275        """
+2276        return _apply_child_list_builder(
+2277            *expressions,
+2278            instance=self,
+2279            arg="from",
+2280            append=append,
+2281            copy=copy,
+2282            prefix="FROM",
+2283            into=From,
+2284            dialect=dialect,
+2285            **opts,
+2286        )
 
    
 
 
@@ -22924,41 +23426,41 @@ Otherwise, this flattens all the From expressio
    - 
    2165    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2166        """
-2167        Set the GROUP BY expression.
-2168
-2169        Example:
-2170            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
-2171            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
-2172
-2173        Args:
-2174            *expressions (str | Expression): the SQL code strings to parse.
-2175                If a `Group` instance is passed, this is used as-is.
-2176                If another `Expression` instance is passed, it will be wrapped in a `Group`.
-2177                If nothing is passed in then a group by is not applied to the expression
-2178            append (bool): if `True`, add to any existing expressions.
-2179                Otherwise, this flattens all the `Group` expression into a single expression.
-2180            dialect (str): the dialect used to parse the input expression.
-2181            copy (bool): if `False`, modify this expression instance in-place.
-2182            opts (kwargs): other options to use to parse the input expressions.
-2183
-2184        Returns:
-2185            Select: the modified expression.
-2186        """
-2187        if not expressions:
-2188            return self if not copy else self.copy()
-2189        return _apply_child_list_builder(
-2190            *expressions,
-2191            instance=self,
-2192            arg="group",
-2193            append=append,
-2194            copy=copy,
-2195            prefix="GROUP BY",
-2196            into=Group,
-2197            dialect=dialect,
-2198            **opts,
-2199        )
+            
    2288    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2289        """
+2290        Set the GROUP BY expression.
+2291
+2292        Example:
+2293            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
+2294            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
+2295
+2296        Args:
+2297            *expressions (str | Expression): the SQL code strings to parse.
+2298                If a `Group` instance is passed, this is used as-is.
+2299                If another `Expression` instance is passed, it will be wrapped in a `Group`.
+2300                If nothing is passed in then a group by is not applied to the expression
+2301            append (bool): if `True`, add to any existing expressions.
+2302                Otherwise, this flattens all the `Group` expression into a single expression.
+2303            dialect (str): the dialect used to parse the input expression.
+2304            copy (bool): if `False`, modify this expression instance in-place.
+2305            opts (kwargs): other options to use to parse the input expressions.
+2306
+2307        Returns:
+2308            Select: the modified expression.
+2309        """
+2310        if not expressions:
+2311            return self if not copy else self.copy()
+2312        return _apply_child_list_builder(
+2313            *expressions,
+2314            instance=self,
+2315            arg="group",
+2316            append=append,
+2317            copy=copy,
+2318            prefix="GROUP BY",
+2319            into=Group,
+2320            dialect=dialect,
+2321            **opts,
+2322        )
 
    
 
 
@@ -23008,38 +23510,38 @@ Otherwise, this flattens all the Group express
    - 
    2201    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2202        """
-2203        Set the ORDER BY expression.
-2204
-2205        Example:
-2206            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
-2207            'SELECT x FROM tbl ORDER BY x DESC'
-2208
-2209        Args:
-2210            *expressions (str | Expression): the SQL code strings to parse.
-2211                If a `Group` instance is passed, this is used as-is.
-2212                If another `Expression` instance is passed, it will be wrapped in a `Order`.
-2213            append (bool): if `True`, add to any existing expressions.
-2214                Otherwise, this flattens all the `Order` expression into a single expression.
-2215            dialect (str): the dialect used to parse the input expression.
-2216            copy (bool): if `False`, modify this expression instance in-place.
-2217            opts (kwargs): other options to use to parse the input expressions.
-2218
-2219        Returns:
-2220            Select: the modified expression.
-2221        """
-2222        return _apply_child_list_builder(
-2223            *expressions,
-2224            instance=self,
-2225            arg="order",
-2226            append=append,
-2227            copy=copy,
-2228            prefix="ORDER BY",
-2229            into=Order,
-2230            dialect=dialect,
-2231            **opts,
-2232        )
+            
    2324    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2325        """
+2326        Set the ORDER BY expression.
+2327
+2328        Example:
+2329            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
+2330            'SELECT x FROM tbl ORDER BY x DESC'
+2331
+2332        Args:
+2333            *expressions (str | Expression): the SQL code strings to parse.
+2334                If a `Group` instance is passed, this is used as-is.
+2335                If another `Expression` instance is passed, it will be wrapped in a `Order`.
+2336            append (bool): if `True`, add to any existing expressions.
+2337                Otherwise, this flattens all the `Order` expression into a single expression.
+2338            dialect (str): the dialect used to parse the input expression.
+2339            copy (bool): if `False`, modify this expression instance in-place.
+2340            opts (kwargs): other options to use to parse the input expressions.
+2341
+2342        Returns:
+2343            Select: the modified expression.
+2344        """
+2345        return _apply_child_list_builder(
+2346            *expressions,
+2347            instance=self,
+2348            arg="order",
+2349            append=append,
+2350            copy=copy,
+2351            prefix="ORDER BY",
+2352            into=Order,
+2353            dialect=dialect,
+2354            **opts,
+2355        )
 
    
 
 
@@ -23088,38 +23590,38 @@ Otherwise, this flattens all the Order express
    - 
    2234    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2235        """
-2236        Set the SORT BY expression.
-2237
-2238        Example:
-2239            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
-2240            'SELECT x FROM tbl SORT BY x DESC'
-2241
-2242        Args:
-2243            *expressions (str | Expression): the SQL code strings to parse.
-2244                If a `Group` instance is passed, this is used as-is.
-2245                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
-2246            append (bool): if `True`, add to any existing expressions.
-2247                Otherwise, this flattens all the `Order` expression into a single expression.
-2248            dialect (str): the dialect used to parse the input expression.
-2249            copy (bool): if `False`, modify this expression instance in-place.
-2250            opts (kwargs): other options to use to parse the input expressions.
-2251
-2252        Returns:
-2253            Select: the modified expression.
-2254        """
-2255        return _apply_child_list_builder(
-2256            *expressions,
-2257            instance=self,
-2258            arg="sort",
-2259            append=append,
-2260            copy=copy,
-2261            prefix="SORT BY",
-2262            into=Sort,
-2263            dialect=dialect,
-2264            **opts,
-2265        )
+            
    2357    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2358        """
+2359        Set the SORT BY expression.
+2360
+2361        Example:
+2362            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
+2363            'SELECT x FROM tbl SORT BY x DESC'
+2364
+2365        Args:
+2366            *expressions (str | Expression): the SQL code strings to parse.
+2367                If a `Group` instance is passed, this is used as-is.
+2368                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
+2369            append (bool): if `True`, add to any existing expressions.
+2370                Otherwise, this flattens all the `Order` expression into a single expression.
+2371            dialect (str): the dialect used to parse the input expression.
+2372            copy (bool): if `False`, modify this expression instance in-place.
+2373            opts (kwargs): other options to use to parse the input expressions.
+2374
+2375        Returns:
+2376            Select: the modified expression.
+2377        """
+2378        return _apply_child_list_builder(
+2379            *expressions,
+2380            instance=self,
+2381            arg="sort",
+2382            append=append,
+2383            copy=copy,
+2384            prefix="SORT BY",
+2385            into=Sort,
+2386            dialect=dialect,
+2387            **opts,
+2388        )
 
    
 
 
@@ -23168,38 +23670,38 @@ Otherwise, this flattens all the Order express
    - 
    2267    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2268        """
-2269        Set the CLUSTER BY expression.
-2270
-2271        Example:
-2272            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
-2273            'SELECT x FROM tbl CLUSTER BY x DESC'
-2274
-2275        Args:
-2276            *expressions (str | Expression): the SQL code strings to parse.
-2277                If a `Group` instance is passed, this is used as-is.
-2278                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
-2279            append (bool): if `True`, add to any existing expressions.
-2280                Otherwise, this flattens all the `Order` expression into a single expression.
-2281            dialect (str): the dialect used to parse the input expression.
-2282            copy (bool): if `False`, modify this expression instance in-place.
-2283            opts (kwargs): other options to use to parse the input expressions.
-2284
-2285        Returns:
-2286            Select: the modified expression.
-2287        """
-2288        return _apply_child_list_builder(
-2289            *expressions,
-2290            instance=self,
-2291            arg="cluster",
-2292            append=append,
-2293            copy=copy,
-2294            prefix="CLUSTER BY",
-2295            into=Cluster,
-2296            dialect=dialect,
-2297            **opts,
-2298        )
+            
    2390    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2391        """
+2392        Set the CLUSTER BY expression.
+2393
+2394        Example:
+2395            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
+2396            'SELECT x FROM tbl CLUSTER BY x DESC'
+2397
+2398        Args:
+2399            *expressions (str | Expression): the SQL code strings to parse.
+2400                If a `Group` instance is passed, this is used as-is.
+2401                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
+2402            append (bool): if `True`, add to any existing expressions.
+2403                Otherwise, this flattens all the `Order` expression into a single expression.
+2404            dialect (str): the dialect used to parse the input expression.
+2405            copy (bool): if `False`, modify this expression instance in-place.
+2406            opts (kwargs): other options to use to parse the input expressions.
+2407
+2408        Returns:
+2409            Select: the modified expression.
+2410        """
+2411        return _apply_child_list_builder(
+2412            *expressions,
+2413            instance=self,
+2414            arg="cluster",
+2415            append=append,
+2416            copy=copy,
+2417            prefix="CLUSTER BY",
+2418            into=Cluster,
+2419            dialect=dialect,
+2420            **opts,
+2421        )
 
    
 
 
@@ -23248,36 +23750,36 @@ Otherwise, this flattens all the Order express
    - 
    2300    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-2301        """
-2302        Set the LIMIT expression.
-2303
-2304        Example:
-2305            >>> Select().from_("tbl").select("x").limit(10).sql()
-2306            'SELECT x FROM tbl LIMIT 10'
-2307
-2308        Args:
-2309            expression (str | int | Expression): the SQL code string to parse.
-2310                This can also be an integer.
-2311                If a `Limit` instance is passed, this is used as-is.
-2312                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-2313            dialect (str): the dialect used to parse the input expression.
-2314            copy (bool): if `False`, modify this expression instance in-place.
-2315            opts (kwargs): other options to use to parse the input expressions.
-2316
-2317        Returns:
-2318            Select: the modified expression.
-2319        """
-2320        return _apply_builder(
-2321            expression=expression,
-2322            instance=self,
-2323            arg="limit",
-2324            into=Limit,
-2325            prefix="LIMIT",
-2326            dialect=dialect,
-2327            copy=copy,
-2328            **opts,
-2329        )
+            
    2423    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+2424        """
+2425        Set the LIMIT expression.
+2426
+2427        Example:
+2428            >>> Select().from_("tbl").select("x").limit(10).sql()
+2429            'SELECT x FROM tbl LIMIT 10'
+2430
+2431        Args:
+2432            expression (str | int | Expression): the SQL code string to parse.
+2433                This can also be an integer.
+2434                If a `Limit` instance is passed, this is used as-is.
+2435                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+2436            dialect (str): the dialect used to parse the input expression.
+2437            copy (bool): if `False`, modify this expression instance in-place.
+2438            opts (kwargs): other options to use to parse the input expressions.
+2439
+2440        Returns:
+2441            Select: the modified expression.
+2442        """
+2443        return _apply_builder(
+2444            expression=expression,
+2445            instance=self,
+2446            arg="limit",
+2447            into=Limit,
+2448            prefix="LIMIT",
+2449            dialect=dialect,
+2450            copy=copy,
+2451            **opts,
+2452        )
 
    
 
 
@@ -23325,36 +23827,36 @@ If another Expression instance is passed,
    - 
    2331    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
-2332        """
-2333        Set the OFFSET expression.
-2334
-2335        Example:
-2336            >>> Select().from_("tbl").select("x").offset(10).sql()
-2337            'SELECT x FROM tbl OFFSET 10'
-2338
-2339        Args:
-2340            expression (str | int | Expression): the SQL code string to parse.
-2341                This can also be an integer.
-2342                If a `Offset` instance is passed, this is used as-is.
-2343                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
-2344            dialect (str): the dialect used to parse the input expression.
-2345            copy (bool): if `False`, modify this expression instance in-place.
-2346            opts (kwargs): other options to use to parse the input expressions.
-2347
-2348        Returns:
-2349            Select: the modified expression.
-2350        """
-2351        return _apply_builder(
-2352            expression=expression,
-2353            instance=self,
-2354            arg="offset",
-2355            into=Offset,
-2356            prefix="OFFSET",
-2357            dialect=dialect,
-2358            copy=copy,
-2359            **opts,
-2360        )
+            
    2454    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
+2455        """
+2456        Set the OFFSET expression.
+2457
+2458        Example:
+2459            >>> Select().from_("tbl").select("x").offset(10).sql()
+2460            'SELECT x FROM tbl OFFSET 10'
+2461
+2462        Args:
+2463            expression (str | int | Expression): the SQL code string to parse.
+2464                This can also be an integer.
+2465                If a `Offset` instance is passed, this is used as-is.
+2466                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
+2467            dialect (str): the dialect used to parse the input expression.
+2468            copy (bool): if `False`, modify this expression instance in-place.
+2469            opts (kwargs): other options to use to parse the input expressions.
+2470
+2471        Returns:
+2472            Select: the modified expression.
+2473        """
+2474        return _apply_builder(
+2475            expression=expression,
+2476            instance=self,
+2477            arg="offset",
+2478            into=Offset,
+2479            prefix="OFFSET",
+2480            dialect=dialect,
+2481            copy=copy,
+2482            **opts,
+2483        )
 
    
 
 
@@ -23402,42 +23904,42 @@ If another Expression instance is passed,
    - 
    2362    def select(
-2363        self,
-2364        *expressions: ExpOrStr,
-2365        append: bool = True,
-2366        dialect: DialectType = None,
-2367        copy: bool = True,
-2368        **opts,
-2369    ) -> Select:
-2370        """
-2371        Append to or set the SELECT expressions.
-2372
-2373        Example:
-2374            >>> Select().select("x", "y").sql()
-2375            'SELECT x, y'
-2376
-2377        Args:
-2378            *expressions: the SQL code strings to parse.
-2379                If an `Expression` instance is passed, it will be used as-is.
-2380            append: if `True`, add to any existing expressions.
-2381                Otherwise, this resets the expressions.
-2382            dialect: the dialect used to parse the input expressions.
-2383            copy: if `False`, modify this expression instance in-place.
-2384            opts: other options to use to parse the input expressions.
-2385
-2386        Returns:
-2387            Select: the modified expression.
-2388        """
-2389        return _apply_list_builder(
-2390            *expressions,
-2391            instance=self,
-2392            arg="expressions",
-2393            append=append,
-2394            dialect=dialect,
-2395            copy=copy,
-2396            **opts,
-2397        )
+            
    2485    def select(
+2486        self,
+2487        *expressions: ExpOrStr,
+2488        append: bool = True,
+2489        dialect: DialectType = None,
+2490        copy: bool = True,
+2491        **opts,
+2492    ) -> Select:
+2493        """
+2494        Append to or set the SELECT expressions.
+2495
+2496        Example:
+2497            >>> Select().select("x", "y").sql()
+2498            'SELECT x, y'
+2499
+2500        Args:
+2501            *expressions: the SQL code strings to parse.
+2502                If an `Expression` instance is passed, it will be used as-is.
+2503            append: if `True`, add to any existing expressions.
+2504                Otherwise, this resets the expressions.
+2505            dialect: the dialect used to parse the input expressions.
+2506            copy: if `False`, modify this expression instance in-place.
+2507            opts: other options to use to parse the input expressions.
+2508
+2509        Returns:
+2510            Select: the modified expression.
+2511        """
+2512        return _apply_list_builder(
+2513            *expressions,
+2514            instance=self,
+2515            arg="expressions",
+2516            append=append,
+2517            dialect=dialect,
+2518            copy=copy,
+2519            **opts,
+2520        )
 
    
 
 
@@ -23485,37 +23987,37 @@ Otherwise, this resets the expressions.
    - 
    2399    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2400        """
-2401        Append to or set the LATERAL expressions.
-2402
-2403        Example:
-2404            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
-2405            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
-2406
-2407        Args:
-2408            *expressions (str | Expression): the SQL code strings to parse.
-2409                If an `Expression` instance is passed, it will be used as-is.
-2410            append (bool): if `True`, add to any existing expressions.
-2411                Otherwise, this resets the expressions.
-2412            dialect (str): the dialect used to parse the input expressions.
-2413            copy (bool): if `False`, modify this expression instance in-place.
-2414            opts (kwargs): other options to use to parse the input expressions.
-2415
-2416        Returns:
-2417            Select: the modified expression.
-2418        """
-2419        return _apply_list_builder(
-2420            *expressions,
-2421            instance=self,
-2422            arg="laterals",
-2423            append=append,
-2424            into=Lateral,
-2425            prefix="LATERAL VIEW",
-2426            dialect=dialect,
-2427            copy=copy,
-2428            **opts,
-2429        )
+            
    2522    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2523        """
+2524        Append to or set the LATERAL expressions.
+2525
+2526        Example:
+2527            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
+2528            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
+2529
+2530        Args:
+2531            *expressions (str | Expression): the SQL code strings to parse.
+2532                If an `Expression` instance is passed, it will be used as-is.
+2533            append (bool): if `True`, add to any existing expressions.
+2534                Otherwise, this resets the expressions.
+2535            dialect (str): the dialect used to parse the input expressions.
+2536            copy (bool): if `False`, modify this expression instance in-place.
+2537            opts (kwargs): other options to use to parse the input expressions.
+2538
+2539        Returns:
+2540            Select: the modified expression.
+2541        """
+2542        return _apply_list_builder(
+2543            *expressions,
+2544            instance=self,
+2545            arg="laterals",
+2546            append=append,
+2547            into=Lateral,
+2548            prefix="LATERAL VIEW",
+2549            dialect=dialect,
+2550            copy=copy,
+2551            **opts,
+2552        )
 
    
 
 
@@ -23563,100 +24065,100 @@ Otherwise, this resets the expressions.
    - 
    2431    def join(
-2432        self,
-2433        expression,
-2434        on=None,
-2435        using=None,
-2436        append=True,
-2437        join_type=None,
-2438        join_alias=None,
-2439        dialect=None,
-2440        copy=True,
-2441        **opts,
-2442    ) -> Select:
-2443        """
-2444        Append to or set the JOIN expressions.
-2445
-2446        Example:
-2447            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
-2448            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
-2449
-2450            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
-2451            'SELECT 1 FROM a JOIN b USING (x, y, z)'
-2452
-2453            Use `join_type` to change the type of join:
-2454
-2455            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
-2456            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
-2457
-2458        Args:
-2459            expression (str | Expression): the SQL code string to parse.
-2460                If an `Expression` instance is passed, it will be used as-is.
-2461            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
-2462                If an `Expression` instance is passed, it will be used as-is.
-2463            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
-2464                If an `Expression` instance is passed, it will be used as-is.
-2465            append (bool): if `True`, add to any existing expressions.
-2466                Otherwise, this resets the expressions.
-2467            join_type (str): If set, alter the parsed join type
-2468            dialect (str): the dialect used to parse the input expressions.
-2469            copy (bool): if `False`, modify this expression instance in-place.
-2470            opts (kwargs): other options to use to parse the input expressions.
-2471
-2472        Returns:
-2473            Select: the modified expression.
-2474        """
-2475        parse_args = {"dialect": dialect, **opts}
-2476
-2477        try:
-2478            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
-2479        except ParseError:
-2480            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
-2481
-2482        join = expression if isinstance(expression, Join) else Join(this=expression)
-2483
-2484        if isinstance(join.this, Select):
-2485            join.this.replace(join.this.subquery())
-2486
-2487        if join_type:
-2488            natural: t.Optional[Token]
-2489            side: t.Optional[Token]
-2490            kind: t.Optional[Token]
-2491
-2492            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
-2493
-2494            if natural:
-2495                join.set("natural", True)
-2496            if side:
-2497                join.set("side", side.text)
-2498            if kind:
-2499                join.set("kind", kind.text)
-2500
-2501        if on:
-2502            on = and_(*ensure_collection(on), dialect=dialect, **opts)
-2503            join.set("on", on)
-2504
-2505        if using:
-2506            join = _apply_list_builder(
-2507                *ensure_collection(using),
-2508                instance=join,
-2509                arg="using",
-2510                append=append,
-2511                copy=copy,
-2512                **opts,
-2513            )
-2514
-2515        if join_alias:
-2516            join.set("this", alias_(join.this, join_alias, table=True))
-2517        return _apply_list_builder(
-2518            join,
-2519            instance=self,
-2520            arg="joins",
-2521            append=append,
-2522            copy=copy,
-2523            **opts,
-2524        )
+            
    2554    def join(
+2555        self,
+2556        expression,
+2557        on=None,
+2558        using=None,
+2559        append=True,
+2560        join_type=None,
+2561        join_alias=None,
+2562        dialect=None,
+2563        copy=True,
+2564        **opts,
+2565    ) -> Select:
+2566        """
+2567        Append to or set the JOIN expressions.
+2568
+2569        Example:
+2570            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
+2571            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
+2572
+2573            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
+2574            'SELECT 1 FROM a JOIN b USING (x, y, z)'
+2575
+2576            Use `join_type` to change the type of join:
+2577
+2578            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
+2579            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
+2580
+2581        Args:
+2582            expression (str | Expression): the SQL code string to parse.
+2583                If an `Expression` instance is passed, it will be used as-is.
+2584            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
+2585                If an `Expression` instance is passed, it will be used as-is.
+2586            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
+2587                If an `Expression` instance is passed, it will be used as-is.
+2588            append (bool): if `True`, add to any existing expressions.
+2589                Otherwise, this resets the expressions.
+2590            join_type (str): If set, alter the parsed join type
+2591            dialect (str): the dialect used to parse the input expressions.
+2592            copy (bool): if `False`, modify this expression instance in-place.
+2593            opts (kwargs): other options to use to parse the input expressions.
+2594
+2595        Returns:
+2596            Select: the modified expression.
+2597        """
+2598        parse_args = {"dialect": dialect, **opts}
+2599
+2600        try:
+2601            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
+2602        except ParseError:
+2603            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
+2604
+2605        join = expression if isinstance(expression, Join) else Join(this=expression)
+2606
+2607        if isinstance(join.this, Select):
+2608            join.this.replace(join.this.subquery())
+2609
+2610        if join_type:
+2611            natural: t.Optional[Token]
+2612            side: t.Optional[Token]
+2613            kind: t.Optional[Token]
+2614
+2615            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
+2616
+2617            if natural:
+2618                join.set("natural", True)
+2619            if side:
+2620                join.set("side", side.text)
+2621            if kind:
+2622                join.set("kind", kind.text)
+2623
+2624        if on:
+2625            on = and_(*ensure_collection(on), dialect=dialect, copy=copy, **opts)
+2626            join.set("on", on)
+2627
+2628        if using:
+2629            join = _apply_list_builder(
+2630                *ensure_collection(using),
+2631                instance=join,
+2632                arg="using",
+2633                append=append,
+2634                copy=copy,
+2635                **opts,
+2636            )
+2637
+2638        if join_alias:
+2639            join.set("this", alias_(join.this, join_alias, table=True))
+2640        return _apply_list_builder(
+2641            join,
+2642            instance=self,
+2643            arg="joins",
+2644            append=append,
+2645            copy=copy,
+2646            **opts,
+2647        )
 
    
 
 
@@ -23723,37 +24225,37 @@ Otherwise, this resets the expressions.
    - 
    2526    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2527        """
-2528        Append to or set the WHERE expressions.
-2529
-2530        Example:
-2531            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
-2532            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
-2533
-2534        Args:
-2535            *expressions (str | Expression): the SQL code strings to parse.
-2536                If an `Expression` instance is passed, it will be used as-is.
-2537                Multiple expressions are combined with an AND operator.
-2538            append (bool): if `True`, AND the new expressions to any existing expression.
-2539                Otherwise, this resets the expression.
-2540            dialect (str): the dialect used to parse the input expressions.
-2541            copy (bool): if `False`, modify this expression instance in-place.
-2542            opts (kwargs): other options to use to parse the input expressions.
-2543
-2544        Returns:
-2545            Select: the modified expression.
-2546        """
-2547        return _apply_conjunction_builder(
-2548            *expressions,
-2549            instance=self,
-2550            arg="where",
-2551            append=append,
-2552            into=Where,
-2553            dialect=dialect,
-2554            copy=copy,
-2555            **opts,
-2556        )
+            
    2649    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2650        """
+2651        Append to or set the WHERE expressions.
+2652
+2653        Example:
+2654            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
+2655            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
+2656
+2657        Args:
+2658            *expressions (str | Expression): the SQL code strings to parse.
+2659                If an `Expression` instance is passed, it will be used as-is.
+2660                Multiple expressions are combined with an AND operator.
+2661            append (bool): if `True`, AND the new expressions to any existing expression.
+2662                Otherwise, this resets the expression.
+2663            dialect (str): the dialect used to parse the input expressions.
+2664            copy (bool): if `False`, modify this expression instance in-place.
+2665            opts (kwargs): other options to use to parse the input expressions.
+2666
+2667        Returns:
+2668            Select: the modified expression.
+2669        """
+2670        return _apply_conjunction_builder(
+2671            *expressions,
+2672            instance=self,
+2673            arg="where",
+2674            append=append,
+2675            into=Where,
+2676            dialect=dialect,
+2677            copy=copy,
+2678            **opts,
+2679        )
 
    
 
 
@@ -23802,37 +24304,37 @@ Otherwise, this resets the expression.
    - 
    2558    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2559        """
-2560        Append to or set the HAVING expressions.
-2561
-2562        Example:
-2563            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
-2564            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
-2565
-2566        Args:
-2567            *expressions (str | Expression): the SQL code strings to parse.
-2568                If an `Expression` instance is passed, it will be used as-is.
-2569                Multiple expressions are combined with an AND operator.
-2570            append (bool): if `True`, AND the new expressions to any existing expression.
-2571                Otherwise, this resets the expression.
-2572            dialect (str): the dialect used to parse the input expressions.
-2573            copy (bool): if `False`, modify this expression instance in-place.
-2574            opts (kwargs): other options to use to parse the input expressions.
-2575
-2576        Returns:
-2577            Select: the modified expression.
-2578        """
-2579        return _apply_conjunction_builder(
-2580            *expressions,
-2581            instance=self,
-2582            arg="having",
-2583            append=append,
-2584            into=Having,
-2585            dialect=dialect,
-2586            copy=copy,
-2587            **opts,
-2588        )
+            
    2681    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2682        """
+2683        Append to or set the HAVING expressions.
+2684
+2685        Example:
+2686            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
+2687            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
+2688
+2689        Args:
+2690            *expressions (str | Expression): the SQL code strings to parse.
+2691                If an `Expression` instance is passed, it will be used as-is.
+2692                Multiple expressions are combined with an AND operator.
+2693            append (bool): if `True`, AND the new expressions to any existing expression.
+2694                Otherwise, this resets the expression.
+2695            dialect (str): the dialect used to parse the input expressions.
+2696            copy (bool): if `False`, modify this expression instance in-place.
+2697            opts (kwargs): other options to use to parse the input expressions.
+2698
+2699        Returns:
+2700            Select: the modified expression.
+2701        """
+2702        return _apply_conjunction_builder(
+2703            *expressions,
+2704            instance=self,
+2705            arg="having",
+2706            append=append,
+2707            into=Having,
+2708            dialect=dialect,
+2709            copy=copy,
+2710            **opts,
+2711        )
 
    
 
 
@@ -23881,17 +24383,17 @@ Otherwise, this resets the expression.
    - 
    2590    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2591        return _apply_list_builder(
-2592            *expressions,
-2593            instance=self,
-2594            arg="windows",
-2595            append=append,
-2596            into=Window,
-2597            dialect=dialect,
-2598            copy=copy,
-2599            **opts,
-2600        )
+            
    2713    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2714        return _apply_list_builder(
+2715            *expressions,
+2716            instance=self,
+2717            arg="windows",
+2718            append=append,
+2719            into=Window,
+2720            dialect=dialect,
+2721            copy=copy,
+2722            **opts,
+2723        )
 
    
 
 
@@ -23909,17 +24411,17 @@ Otherwise, this resets the expression.
    - 
    2602    def qualify(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2603        return _apply_conjunction_builder(
-2604            *expressions,
-2605            instance=self,
-2606            arg="qualify",
-2607            append=append,
-2608            into=Qualify,
-2609            dialect=dialect,
-2610            copy=copy,
-2611            **opts,
-2612        )
+            
    2725    def qualify(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2726        return _apply_conjunction_builder(
+2727            *expressions,
+2728            instance=self,
+2729            arg="qualify",
+2730            append=append,
+2731            into=Qualify,
+2732            dialect=dialect,
+2733            copy=copy,
+2734            **opts,
+2735        )
 
    
 
 
@@ -23931,30 +24433,32 @@ Otherwise, this resets the expression.
 
    
             
         def
-        distinct(self, distinct=True, copy=True) -> sqlglot.expressions.Select:
+        distinct(	self,	*ons: Union[str, sqlglot.expressions.Expression],	distinct: bool = True,	copy: bool = True) -> sqlglot.expressions.Select:
 
                 
 
     
    
     
-            
    2614    def distinct(self, distinct=True, copy=True) -> Select:
-2615        """
-2616        Set the OFFSET expression.
-2617
-2618        Example:
-2619            >>> Select().from_("tbl").select("x").distinct().sql()
-2620            'SELECT DISTINCT x FROM tbl'
-2621
-2622        Args:
-2623            distinct (bool): whether the Select should be distinct
-2624            copy (bool): if `False`, modify this expression instance in-place.
-2625
-2626        Returns:
-2627            Select: the modified expression.
-2628        """
-2629        instance = _maybe_copy(self, copy)
-2630        instance.set("distinct", Distinct() if distinct else None)
-2631        return instance
+            
    2737    def distinct(self, *ons: ExpOrStr, distinct: bool = True, copy: bool = True) -> Select:
+2738        """
+2739        Set the OFFSET expression.
+2740
+2741        Example:
+2742            >>> Select().from_("tbl").select("x").distinct().sql()
+2743            'SELECT DISTINCT x FROM tbl'
+2744
+2745        Args:
+2746            ons: the expressions to distinct on
+2747            distinct: whether the Select should be distinct
+2748            copy: if `False`, modify this expression instance in-place.
+2749
+2750        Returns:
+2751            Select: the modified expression.
+2752        """
+2753        instance = _maybe_copy(self, copy)
+2754        on = Tuple(expressions=[maybe_parse(on, copy=copy) for on in ons]) if ons else None
+2755        instance.set("distinct", Distinct(on=on) if distinct else None)
+2756        return instance
 
    
 
 
@@ -23973,8 +24477,9 @@ Otherwise, this resets the expression.
 
    Arguments:
    
 
 
      
-
    • distinct (bool):  whether the Select should be distinct
      • 
-
    • copy (bool):  if False, modify this expression instance in-place.
      • 
+
    • ons:  the expressions to distinct on
      • 
+
    • distinct:  whether the Select should be distinct
      • 
+
    • copy:  if False, modify this expression instance in-place.
      • 
 
    
 
 
    Returns:
    
@@ -23997,42 +24502,42 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    2633    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
-2634        """
-2635        Convert this expression to a CREATE TABLE AS statement.
-2636
-2637        Example:
-2638            >>> Select().select("*").from_("tbl").ctas("x").sql()
-2639            'CREATE TABLE x AS SELECT * FROM tbl'
-2640
-2641        Args:
-2642            table (str | Expression): the SQL code string to parse as the table name.
-2643                If another `Expression` instance is passed, it will be used as-is.
-2644            properties (dict): an optional mapping of table properties
-2645            dialect (str): the dialect used to parse the input table.
-2646            copy (bool): if `False`, modify this expression instance in-place.
-2647            opts (kwargs): other options to use to parse the input table.
-2648
-2649        Returns:
-2650            Create: the CREATE TABLE AS expression
-2651        """
-2652        instance = _maybe_copy(self, copy)
-2653        table_expression = maybe_parse(
-2654            table,
-2655            into=Table,
-2656            dialect=dialect,
-2657            **opts,
-2658        )
-2659        properties_expression = None
-2660        if properties:
-2661            properties_expression = Properties.from_dict(properties)
-2662
-2663        return Create(
-2664            this=table_expression,
-2665            kind="table",
-2666            expression=instance,
-2667            properties=properties_expression,
-2668        )
+            
    2758    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
+2759        """
+2760        Convert this expression to a CREATE TABLE AS statement.
+2761
+2762        Example:
+2763            >>> Select().select("*").from_("tbl").ctas("x").sql()
+2764            'CREATE TABLE x AS SELECT * FROM tbl'
+2765
+2766        Args:
+2767            table (str | Expression): the SQL code string to parse as the table name.
+2768                If another `Expression` instance is passed, it will be used as-is.
+2769            properties (dict): an optional mapping of table properties
+2770            dialect (str): the dialect used to parse the input table.
+2771            copy (bool): if `False`, modify this expression instance in-place.
+2772            opts (kwargs): other options to use to parse the input table.
+2773
+2774        Returns:
+2775            Create: the CREATE TABLE AS expression
+2776        """
+2777        instance = _maybe_copy(self, copy)
+2778        table_expression = maybe_parse(
+2779            table,
+2780            into=Table,
+2781            dialect=dialect,
+2782            **opts,
+2783        )
+2784        properties_expression = None
+2785        if properties:
+2786            properties_expression = Properties.from_dict(properties)
+2787
+2788        return Create(
+2789            this=table_expression,
+2790            kind="table",
+2791            expression=instance,
+2792            properties=properties_expression,
+2793        )
 
    
 
 
@@ -24079,29 +24584,29 @@ If another Expression instance is passed,
 
     
    
     
-            
    2670    def lock(self, update: bool = True, copy: bool = True) -> Select:
-2671        """
-2672        Set the locking read mode for this expression.
-2673
-2674        Examples:
-2675            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
-2676            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
-2677
-2678            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
-2679            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
-2680
-2681        Args:
-2682            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
-2683            copy: if `False`, modify this expression instance in-place.
-2684
-2685        Returns:
-2686            The modified expression.
-2687        """
-2688
-2689        inst = _maybe_copy(self, copy)
-2690        inst.set("lock", Lock(update=update))
-2691
-2692        return inst
+            
    2795    def lock(self, update: bool = True, copy: bool = True) -> Select:
+2796        """
+2797        Set the locking read mode for this expression.
+2798
+2799        Examples:
+2800            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
+2801            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
+2802
+2803            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
+2804            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
+2805
+2806        Args:
+2807            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
+2808            copy: if `False`, modify this expression instance in-place.
+2809
+2810        Returns:
+2811            The modified expression.
+2812        """
+2813
+2814        inst = _maybe_copy(self, copy)
+2815        inst.set("lock", Lock(update=update))
+2816
+2817        return inst
 
    
 
 
@@ -24219,30 +24724,30 @@ If another Expression instance is passed,
 
     
    
     
-            
    2707class Subquery(DerivedTable, Unionable):
-2708    arg_types = {
-2709        "this": True,
-2710        "alias": False,
-2711        "with": False,
-2712        **QUERY_MODIFIERS,
-2713    }
-2714
-2715    def unnest(self):
-2716        """
-2717        Returns the first non subquery.
-2718        """
-2719        expression = self
-2720        while isinstance(expression, Subquery):
-2721            expression = expression.this
-2722        return expression
-2723
-2724    @property
-2725    def is_star(self) -> bool:
-2726        return self.this.is_star
-2727
-2728    @property
-2729    def output_name(self):
-2730        return self.alias
+            
    2832class Subquery(DerivedTable, Unionable):
+2833    arg_types = {
+2834        "this": True,
+2835        "alias": False,
+2836        "with": False,
+2837        **QUERY_MODIFIERS,
+2838    }
+2839
+2840    def unnest(self):
+2841        """
+2842        Returns the first non subquery.
+2843        """
+2844        expression = self
+2845        while isinstance(expression, Subquery):
+2846            expression = expression.this
+2847        return expression
+2848
+2849    @property
+2850    def is_star(self) -> bool:
+2851        return self.this.is_star
+2852
+2853    @property
+2854    def output_name(self):
+2855        return self.alias
 
    
 
 
@@ -24259,14 +24764,14 @@ If another Expression instance is passed,
 
     
    
     
-            
    2715    def unnest(self):
-2716        """
-2717        Returns the first non subquery.
-2718        """
-2719        expression = self
-2720        while isinstance(expression, Subquery):
-2721            expression = expression.this
-2722        return expression
+            
    2840    def unnest(self):
+2841        """
+2842        Returns the first non subquery.
+2843        """
+2844        expression = self
+2845        while isinstance(expression, Subquery):
+2846            expression = expression.this
+2847        return expression
 
    
 
 
@@ -24378,19 +24883,19 @@ If another Expression instance is passed,
 
     
    
     
-            
    2733class TableSample(Expression):
-2734    arg_types = {
-2735        "this": False,
-2736        "method": False,
-2737        "bucket_numerator": False,
-2738        "bucket_denominator": False,
-2739        "bucket_field": False,
-2740        "percent": False,
-2741        "rows": False,
-2742        "size": False,
-2743        "seed": False,
-2744        "kind": False,
-2745    }
+            
    2858class TableSample(Expression):
+2859    arg_types = {
+2860        "this": False,
+2861        "method": False,
+2862        "bucket_numerator": False,
+2863        "bucket_denominator": False,
+2864        "bucket_field": False,
+2865        "percent": False,
+2866        "rows": False,
+2867        "size": False,
+2868        "seed": False,
+2869        "kind": False,
+2870    }
 
    
 
 
@@ -24453,14 +24958,14 @@ If another Expression instance is passed,
 
     
    
     
-            
    2748class Tag(Expression):
-2749    """Tags are used for generating arbitrary sql like SELECT <span>x</span>."""
-2750
-2751    arg_types = {
-2752        "this": False,
-2753        "prefix": False,
-2754        "postfix": False,
-2755    }
+            
    2873class Tag(Expression):
+2874    """Tags are used for generating arbitrary sql like SELECT <span>x</span>."""
+2875
+2876    arg_types = {
+2877        "this": False,
+2878        "prefix": False,
+2879        "postfix": False,
+2880    }
 
    
 
 
@@ -24525,15 +25030,15 @@ If another Expression instance is passed,
 
     
    
     
-            
    2758class Pivot(Expression):
-2759    arg_types = {
-2760        "this": False,
-2761        "alias": False,
-2762        "expressions": True,
-2763        "field": True,
-2764        "unpivot": True,
-2765        "columns": False,
-2766    }
+            
    2883class Pivot(Expression):
+2884    arg_types = {
+2885        "this": False,
+2886        "alias": False,
+2887        "expressions": True,
+2888        "field": True,
+2889        "unpivot": True,
+2890        "columns": False,
+2891    }
 
    
 
 
@@ -24596,14 +25101,16 @@ If another Expression instance is passed,
 
     
    
     
-            
    2769class Window(Expression):
-2770    arg_types = {
-2771        "this": True,
-2772        "partition_by": False,
-2773        "order": False,
-2774        "spec": False,
-2775        "alias": False,
-2776    }
+            
    2894class Window(Expression):
+2895    arg_types = {
+2896        "this": True,
+2897        "partition_by": False,
+2898        "order": False,
+2899        "spec": False,
+2900        "alias": False,
+2901        "over": False,
+2902        "first": False,
+2903    }
 
    
 
 
@@ -24666,14 +25173,14 @@ If another Expression instance is passed,
 
     
    
     
-            
    2779class WindowSpec(Expression):
-2780    arg_types = {
-2781        "kind": False,
-2782        "start": False,
-2783        "start_side": False,
-2784        "end": False,
-2785        "end_side": False,
-2786    }
+            
    2906class WindowSpec(Expression):
+2907    arg_types = {
+2908        "kind": False,
+2909        "start": False,
+2910        "start_side": False,
+2911        "end": False,
+2912        "end_side": False,
+2913    }
 
    
 
 
@@ -24736,8 +25243,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2789class Where(Expression):
-2790    pass
+            
    2916class Where(Expression):
+2917    pass
 
    
 
 
@@ -24800,16 +25307,16 @@ If another Expression instance is passed,
 
     
    
     
-            
    2793class Star(Expression):
-2794    arg_types = {"except": False, "replace": False}
-2795
-2796    @property
-2797    def name(self) -> str:
-2798        return "*"
-2799
-2800    @property
-2801    def output_name(self):
-2802        return self.name
+            
    2920class Star(Expression):
+2921    arg_types = {"except": False, "replace": False}
+2922
+2923    @property
+2924    def name(self) -> str:
+2925        return "*"
+2926
+2927    @property
+2928    def output_name(self):
+2929        return self.name
 
    
 
 
@@ -24901,8 +25408,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2805class Parameter(Expression):
-2806    arg_types = {"this": True, "wrapped": False}
+            
    2932class Parameter(Expression):
+2933    arg_types = {"this": True, "wrapped": False}
 
    
 
 
@@ -24965,8 +25472,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2809class SessionParameter(Expression):
-2810    arg_types = {"this": True, "kind": False}
+            
    2936class SessionParameter(Expression):
+2937    arg_types = {"this": True, "kind": False}
 
    
 
 
@@ -25029,8 +25536,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2813class Placeholder(Expression):
-2814    arg_types = {"this": False}
+            
    2940class Placeholder(Expression):
+2941    arg_types = {"this": False}
 
    
 
 
@@ -25093,12 +25600,12 @@ If another Expression instance is passed,
 
     
    
     
-            
    2817class Null(Condition):
-2818    arg_types: t.Dict[str, t.Any] = {}
-2819
-2820    @property
-2821    def name(self) -> str:
-2822        return "NULL"
+            
    2944class Null(Condition):
+2945    arg_types: t.Dict[str, t.Any] = {}
+2946
+2947    @property
+2948    def name(self) -> str:
+2949        return "NULL"
 
    
 
 
@@ -25151,6 +25658,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    
 
             
    
                                 
@@ -25167,8 +25681,8 @@ If another Expression instance is passed,
    - 
    2825class Boolean(Condition):
-2826    pass
+            
    2952class Boolean(Condition):
+2953    pass
 
    
 
 
@@ -25221,6 +25735,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -25237,128 +25758,128 @@ If another Expression instance is passed, - 
    2829class DataType(Expression):
-2830    arg_types = {
-2831        "this": True,
-2832        "expressions": False,
-2833        "nested": False,
-2834        "values": False,
-2835        "prefix": False,
-2836    }
-2837
-2838    class Type(AutoName):
-2839        CHAR = auto()
-2840        NCHAR = auto()
-2841        VARCHAR = auto()
-2842        NVARCHAR = auto()
-2843        TEXT = auto()
-2844        MEDIUMTEXT = auto()
-2845        LONGTEXT = auto()
-2846        MEDIUMBLOB = auto()
-2847        LONGBLOB = auto()
-2848        BINARY = auto()
-2849        VARBINARY = auto()
-2850        INT = auto()
-2851        UINT = auto()
-2852        TINYINT = auto()
-2853        UTINYINT = auto()
-2854        SMALLINT = auto()
-2855        USMALLINT = auto()
-2856        BIGINT = auto()
-2857        UBIGINT = auto()
-2858        FLOAT = auto()
-2859        DOUBLE = auto()
-2860        DECIMAL = auto()
-2861        BIGDECIMAL = auto()
-2862        BIT = auto()
-2863        BOOLEAN = auto()
-2864        JSON = auto()
-2865        JSONB = auto()
-2866        INTERVAL = auto()
-2867        TIME = auto()
-2868        TIMESTAMP = auto()
-2869        TIMESTAMPTZ = auto()
-2870        TIMESTAMPLTZ = auto()
-2871        DATE = auto()
-2872        DATETIME = auto()
-2873        ARRAY = auto()
-2874        MAP = auto()
-2875        UUID = auto()
-2876        GEOGRAPHY = auto()
-2877        GEOMETRY = auto()
-2878        STRUCT = auto()
-2879        NULLABLE = auto()
-2880        HLLSKETCH = auto()
-2881        HSTORE = auto()
-2882        SUPER = auto()
-2883        SERIAL = auto()
-2884        SMALLSERIAL = auto()
-2885        BIGSERIAL = auto()
-2886        XML = auto()
-2887        UNIQUEIDENTIFIER = auto()
-2888        MONEY = auto()
-2889        SMALLMONEY = auto()
-2890        ROWVERSION = auto()
-2891        IMAGE = auto()
-2892        VARIANT = auto()
-2893        OBJECT = auto()
-2894        INET = auto()
-2895        NULL = auto()
-2896        UNKNOWN = auto()  # Sentinel value, useful for type annotation
-2897
-2898    TEXT_TYPES = {
-2899        Type.CHAR,
-2900        Type.NCHAR,
-2901        Type.VARCHAR,
-2902        Type.NVARCHAR,
-2903        Type.TEXT,
-2904    }
-2905
-2906    INTEGER_TYPES = {
-2907        Type.INT,
-2908        Type.TINYINT,
-2909        Type.SMALLINT,
-2910        Type.BIGINT,
-2911    }
-2912
-2913    FLOAT_TYPES = {
-2914        Type.FLOAT,
-2915        Type.DOUBLE,
-2916    }
-2917
-2918    NUMERIC_TYPES = {*INTEGER_TYPES, *FLOAT_TYPES}
-2919
-2920    TEMPORAL_TYPES = {
-2921        Type.TIMESTAMP,
-2922        Type.TIMESTAMPTZ,
-2923        Type.TIMESTAMPLTZ,
-2924        Type.DATE,
-2925        Type.DATETIME,
-2926    }
-2927
-2928    @classmethod
-2929    def build(
-2930        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
-2931    ) -> DataType:
-2932        from sqlglot import parse_one
-2933
-2934        if isinstance(dtype, str):
-2935            if dtype.upper() in cls.Type.__members__:
-2936                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
-2937            else:
-2938                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
-2939            if data_type_exp is None:
-2940                raise ValueError(f"Unparsable data type value: {dtype}")
-2941        elif isinstance(dtype, DataType.Type):
-2942            data_type_exp = DataType(this=dtype)
-2943        elif isinstance(dtype, DataType):
-2944            return dtype
-2945        else:
-2946            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
-2947        return DataType(**{**data_type_exp.args, **kwargs})
-2948
-2949    def is_type(self, dtype: DataType.Type) -> bool:
-2950        return self.this == dtype
+            
    2956class DataType(Expression):
+2957    arg_types = {
+2958        "this": True,
+2959        "expressions": False,
+2960        "nested": False,
+2961        "values": False,
+2962        "prefix": False,
+2963    }
+2964
+2965    class Type(AutoName):
+2966        CHAR = auto()
+2967        NCHAR = auto()
+2968        VARCHAR = auto()
+2969        NVARCHAR = auto()
+2970        TEXT = auto()
+2971        MEDIUMTEXT = auto()
+2972        LONGTEXT = auto()
+2973        MEDIUMBLOB = auto()
+2974        LONGBLOB = auto()
+2975        BINARY = auto()
+2976        VARBINARY = auto()
+2977        INT = auto()
+2978        UINT = auto()
+2979        TINYINT = auto()
+2980        UTINYINT = auto()
+2981        SMALLINT = auto()
+2982        USMALLINT = auto()
+2983        BIGINT = auto()
+2984        UBIGINT = auto()
+2985        FLOAT = auto()
+2986        DOUBLE = auto()
+2987        DECIMAL = auto()
+2988        BIGDECIMAL = auto()
+2989        BIT = auto()
+2990        BOOLEAN = auto()
+2991        JSON = auto()
+2992        JSONB = auto()
+2993        INTERVAL = auto()
+2994        TIME = auto()
+2995        TIMESTAMP = auto()
+2996        TIMESTAMPTZ = auto()
+2997        TIMESTAMPLTZ = auto()
+2998        DATE = auto()
+2999        DATETIME = auto()
+3000        ARRAY = auto()
+3001        MAP = auto()
+3002        UUID = auto()
+3003        GEOGRAPHY = auto()
+3004        GEOMETRY = auto()
+3005        STRUCT = auto()
+3006        NULLABLE = auto()
+3007        HLLSKETCH = auto()
+3008        HSTORE = auto()
+3009        SUPER = auto()
+3010        SERIAL = auto()
+3011        SMALLSERIAL = auto()
+3012        BIGSERIAL = auto()
+3013        XML = auto()
+3014        UNIQUEIDENTIFIER = auto()
+3015        MONEY = auto()
+3016        SMALLMONEY = auto()
+3017        ROWVERSION = auto()
+3018        IMAGE = auto()
+3019        VARIANT = auto()
+3020        OBJECT = auto()
+3021        INET = auto()
+3022        NULL = auto()
+3023        UNKNOWN = auto()  # Sentinel value, useful for type annotation
+3024
+3025    TEXT_TYPES = {
+3026        Type.CHAR,
+3027        Type.NCHAR,
+3028        Type.VARCHAR,
+3029        Type.NVARCHAR,
+3030        Type.TEXT,
+3031    }
+3032
+3033    INTEGER_TYPES = {
+3034        Type.INT,
+3035        Type.TINYINT,
+3036        Type.SMALLINT,
+3037        Type.BIGINT,
+3038    }
+3039
+3040    FLOAT_TYPES = {
+3041        Type.FLOAT,
+3042        Type.DOUBLE,
+3043    }
+3044
+3045    NUMERIC_TYPES = {*INTEGER_TYPES, *FLOAT_TYPES}
+3046
+3047    TEMPORAL_TYPES = {
+3048        Type.TIMESTAMP,
+3049        Type.TIMESTAMPTZ,
+3050        Type.TIMESTAMPLTZ,
+3051        Type.DATE,
+3052        Type.DATETIME,
+3053    }
+3054
+3055    @classmethod
+3056    def build(
+3057        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
+3058    ) -> DataType:
+3059        from sqlglot import parse_one
+3060
+3061        if isinstance(dtype, str):
+3062            if dtype.upper() in cls.Type.__members__:
+3063                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
+3064            else:
+3065                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
+3066            if data_type_exp is None:
+3067                raise ValueError(f"Unparsable data type value: {dtype}")
+3068        elif isinstance(dtype, DataType.Type):
+3069            data_type_exp = DataType(this=dtype)
+3070        elif isinstance(dtype, DataType):
+3071            return dtype
+3072        else:
+3073            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
+3074        return DataType(**{**data_type_exp.args, **kwargs})
+3075
+3076    def is_type(self, dtype: DataType.Type) -> bool:
+3077        return self.this == dtype
 
    
 
 
@@ -25376,26 +25897,26 @@ If another Expression instance is passed,
    - 
    2928    @classmethod
-2929    def build(
-2930        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
-2931    ) -> DataType:
-2932        from sqlglot import parse_one
-2933
-2934        if isinstance(dtype, str):
-2935            if dtype.upper() in cls.Type.__members__:
-2936                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
-2937            else:
-2938                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
-2939            if data_type_exp is None:
-2940                raise ValueError(f"Unparsable data type value: {dtype}")
-2941        elif isinstance(dtype, DataType.Type):
-2942            data_type_exp = DataType(this=dtype)
-2943        elif isinstance(dtype, DataType):
-2944            return dtype
-2945        else:
-2946            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
-2947        return DataType(**{**data_type_exp.args, **kwargs})
+            
    3055    @classmethod
+3056    def build(
+3057        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
+3058    ) -> DataType:
+3059        from sqlglot import parse_one
+3060
+3061        if isinstance(dtype, str):
+3062            if dtype.upper() in cls.Type.__members__:
+3063                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
+3064            else:
+3065                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
+3066            if data_type_exp is None:
+3067                raise ValueError(f"Unparsable data type value: {dtype}")
+3068        elif isinstance(dtype, DataType.Type):
+3069            data_type_exp = DataType(this=dtype)
+3070        elif isinstance(dtype, DataType):
+3071            return dtype
+3072        else:
+3073            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
+3074        return DataType(**{**data_type_exp.args, **kwargs})
 
    
 
 
@@ -25413,8 +25934,8 @@ If another Expression instance is passed,
    - 
    2949    def is_type(self, dtype: DataType.Type) -> bool:
-2950        return self.this == dtype
+            
    3076    def is_type(self, dtype: DataType.Type) -> bool:
+3077        return self.this == dtype
 
    
 
 
@@ -25478,65 +25999,65 @@ If another Expression instance is passed,
    - 
    2838    class Type(AutoName):
-2839        CHAR = auto()
-2840        NCHAR = auto()
-2841        VARCHAR = auto()
-2842        NVARCHAR = auto()
-2843        TEXT = auto()
-2844        MEDIUMTEXT = auto()
-2845        LONGTEXT = auto()
-2846        MEDIUMBLOB = auto()
-2847        LONGBLOB = auto()
-2848        BINARY = auto()
-2849        VARBINARY = auto()
-2850        INT = auto()
-2851        UINT = auto()
-2852        TINYINT = auto()
-2853        UTINYINT = auto()
-2854        SMALLINT = auto()
-2855        USMALLINT = auto()
-2856        BIGINT = auto()
-2857        UBIGINT = auto()
-2858        FLOAT = auto()
-2859        DOUBLE = auto()
-2860        DECIMAL = auto()
-2861        BIGDECIMAL = auto()
-2862        BIT = auto()
-2863        BOOLEAN = auto()
-2864        JSON = auto()
-2865        JSONB = auto()
-2866        INTERVAL = auto()
-2867        TIME = auto()
-2868        TIMESTAMP = auto()
-2869        TIMESTAMPTZ = auto()
-2870        TIMESTAMPLTZ = auto()
-2871        DATE = auto()
-2872        DATETIME = auto()
-2873        ARRAY = auto()
-2874        MAP = auto()
-2875        UUID = auto()
-2876        GEOGRAPHY = auto()
-2877        GEOMETRY = auto()
-2878        STRUCT = auto()
-2879        NULLABLE = auto()
-2880        HLLSKETCH = auto()
-2881        HSTORE = auto()
-2882        SUPER = auto()
-2883        SERIAL = auto()
-2884        SMALLSERIAL = auto()
-2885        BIGSERIAL = auto()
-2886        XML = auto()
-2887        UNIQUEIDENTIFIER = auto()
-2888        MONEY = auto()
-2889        SMALLMONEY = auto()
-2890        ROWVERSION = auto()
-2891        IMAGE = auto()
-2892        VARIANT = auto()
-2893        OBJECT = auto()
-2894        INET = auto()
-2895        NULL = auto()
-2896        UNKNOWN = auto()  # Sentinel value, useful for type annotation
+            
    2965    class Type(AutoName):
+2966        CHAR = auto()
+2967        NCHAR = auto()
+2968        VARCHAR = auto()
+2969        NVARCHAR = auto()
+2970        TEXT = auto()
+2971        MEDIUMTEXT = auto()
+2972        LONGTEXT = auto()
+2973        MEDIUMBLOB = auto()
+2974        LONGBLOB = auto()
+2975        BINARY = auto()
+2976        VARBINARY = auto()
+2977        INT = auto()
+2978        UINT = auto()
+2979        TINYINT = auto()
+2980        UTINYINT = auto()
+2981        SMALLINT = auto()
+2982        USMALLINT = auto()
+2983        BIGINT = auto()
+2984        UBIGINT = auto()
+2985        FLOAT = auto()
+2986        DOUBLE = auto()
+2987        DECIMAL = auto()
+2988        BIGDECIMAL = auto()
+2989        BIT = auto()
+2990        BOOLEAN = auto()
+2991        JSON = auto()
+2992        JSONB = auto()
+2993        INTERVAL = auto()
+2994        TIME = auto()
+2995        TIMESTAMP = auto()
+2996        TIMESTAMPTZ = auto()
+2997        TIMESTAMPLTZ = auto()
+2998        DATE = auto()
+2999        DATETIME = auto()
+3000        ARRAY = auto()
+3001        MAP = auto()
+3002        UUID = auto()
+3003        GEOGRAPHY = auto()
+3004        GEOMETRY = auto()
+3005        STRUCT = auto()
+3006        NULLABLE = auto()
+3007        HLLSKETCH = auto()
+3008        HSTORE = auto()
+3009        SUPER = auto()
+3010        SERIAL = auto()
+3011        SMALLSERIAL = auto()
+3012        BIGSERIAL = auto()
+3013        XML = auto()
+3014        UNIQUEIDENTIFIER = auto()
+3015        MONEY = auto()
+3016        SMALLMONEY = auto()
+3017        ROWVERSION = auto()
+3018        IMAGE = auto()
+3019        VARIANT = auto()
+3020        OBJECT = auto()
+3021        INET = auto()
+3022        NULL = auto()
+3023        UNKNOWN = auto()  # Sentinel value, useful for type annotation
 
    
 
 
@@ -26262,8 +26783,8 @@ If another Expression instance is passed,
    - 
    2954class PseudoType(Expression):
-2955    pass
+            
    3081class PseudoType(Expression):
+3082    pass
 
    
 
 
@@ -26326,8 +26847,8 @@ If another Expression instance is passed,
    - 
    2958class StructKwarg(Expression):
-2959    arg_types = {"this": True, "expression": True}
+            
    3085class StructKwarg(Expression):
+3086    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -26390,8 +26911,8 @@ If another Expression instance is passed,
    - 
    2963class SubqueryPredicate(Predicate):
-2964    pass
+            
    3090class SubqueryPredicate(Predicate):
+3091    pass
 
    
 
 
@@ -26444,6 +26965,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -26460,8 +26988,8 @@ If another Expression instance is passed, - 
    2967class All(SubqueryPredicate):
-2968    pass
+            
    3094class All(SubqueryPredicate):
+3095    pass
 
    
 
 
@@ -26514,6 +27042,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -26530,8 +27065,8 @@ If another Expression instance is passed, - 
    2971class Any(SubqueryPredicate):
-2972    pass
+            
    3098class Any(SubqueryPredicate):
+3099    pass
 
    
 
 
@@ -26584,6 +27119,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -26600,8 +27142,8 @@ If another Expression instance is passed, - 
    2975class Exists(SubqueryPredicate):
-2976    pass
+            
    3102class Exists(SubqueryPredicate):
+3103    pass
 
    
 
 
@@ -26654,6 +27196,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -26670,8 +27219,8 @@ If another Expression instance is passed, - 
    2981class Command(Expression):
-2982    arg_types = {"this": True, "expression": False}
+            
    3108class Command(Expression):
+3109    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -26734,8 +27283,8 @@ If another Expression instance is passed,
    - 
    2985class Transaction(Expression):
-2986    arg_types = {"this": False, "modes": False}
+            
    3112class Transaction(Expression):
+3113    arg_types = {"this": False, "modes": False}
 
    
 
 
@@ -26798,8 +27347,8 @@ If another Expression instance is passed,
    - 
    2989class Commit(Expression):
-2990    arg_types = {"chain": False}
+            
    3116class Commit(Expression):
+3117    arg_types = {"chain": False}
 
    
 
 
@@ -26862,8 +27411,8 @@ If another Expression instance is passed,
    - 
    2993class Rollback(Expression):
-2994    arg_types = {"savepoint": False}
+            
    3120class Rollback(Expression):
+3121    arg_types = {"savepoint": False}
 
    
 
 
@@ -26926,8 +27475,8 @@ If another Expression instance is passed,
    - 
    2997class AlterTable(Expression):
-2998    arg_types = {"this": True, "actions": True, "exists": False}
+            
    3124class AlterTable(Expression):
+3125    arg_types = {"this": True, "actions": True, "exists": False}
 
    
 
 
@@ -26990,8 +27539,8 @@ If another Expression instance is passed,
    - 
    3001class AddConstraint(Expression):
-3002    arg_types = {"this": False, "expression": False, "enforced": False}
+            
    3128class AddConstraint(Expression):
+3129    arg_types = {"this": False, "expression": False, "enforced": False}
 
    
 
 
@@ -27054,8 +27603,8 @@ If another Expression instance is passed,
    - 
    3005class DropPartition(Expression):
-3006    arg_types = {"expressions": True, "exists": False}
+            
    3132class DropPartition(Expression):
+3133    arg_types = {"expressions": True, "exists": False}
 
    
 
 
@@ -27112,22 +27661,22 @@ If another Expression instance is passed,
 
    
             
     class
-    Binary(Expression):
+    Binary(Condition):
 
                 
 
     
    
     
-            
    3010class Binary(Expression):
-3011    arg_types = {"this": True, "expression": True}
-3012
-3013    @property
-3014    def left(self):
-3015        return self.this
-3016
-3017    @property
-3018    def right(self):
-3019        return self.expression
+            
    3137class Binary(Condition):
+3138    arg_types = {"this": True, "expression": True}
+3139
+3140    @property
+3141    def left(self):
+3142        return self.this
+3143
+3144    @property
+3145    def right(self):
+3146        return self.expression
 
    
 
 
@@ -27175,6 +27724,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+            
    
+
    @@ -27190,8 +27752,8 @@ If another Expression instance is passed, - 
    3022class Add(Binary):
-3023    pass
+            
    3149class Add(Binary):
+3150    pass
 
    
 
 
@@ -27239,6 +27801,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -27248,14 +27823,14 @@ If another Expression instance is passed,
    class - Connector(Binary, Condition): + Connector(Binary):
    - 
    3026class Connector(Binary, Condition):
-3027    pass
+            
    3153class Connector(Binary):
+3154    pass
 
    
 
 
@@ -27308,6 +27883,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -27324,8 +27906,8 @@ If another Expression instance is passed, - 
    3030class And(Connector):
-3031    pass
+            
    3157class And(Connector):
+3158    pass
 
    
 
 
@@ -27378,6 +27960,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -27394,8 +27983,8 @@ If another Expression instance is passed, - 
    3034class Or(Connector):
-3035    pass
+            
    3161class Or(Connector):
+3162    pass
 
    
 
 
@@ -27448,6 +28037,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -27464,8 +28060,8 @@ If another Expression instance is passed, - 
    3038class BitwiseAnd(Binary):
-3039    pass
+            
    3165class BitwiseAnd(Binary):
+3166    pass
 
    
 
 
@@ -27513,6 +28109,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -27528,8 +28137,8 @@ If another Expression instance is passed, - 
    3042class BitwiseLeftShift(Binary):
-3043    pass
+            
    3169class BitwiseLeftShift(Binary):
+3170    pass
 
    
 
 
@@ -27577,6 +28186,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -27592,8 +28214,8 @@ If another Expression instance is passed, - 
    3046class BitwiseOr(Binary):
-3047    pass
+            
    3173class BitwiseOr(Binary):
+3174    pass
 
    
 
 
@@ -27641,6 +28263,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -27656,8 +28291,8 @@ If another Expression instance is passed, - 
    3050class BitwiseRightShift(Binary):
-3051    pass
+            
    3177class BitwiseRightShift(Binary):
+3178    pass
 
    
 
 
@@ -27705,6 +28340,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -27720,8 +28368,8 @@ If another Expression instance is passed, - 
    3054class BitwiseXor(Binary):
-3055    pass
+            
    3181class BitwiseXor(Binary):
+3182    pass
 
    
 
 
@@ -27769,6 +28417,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -27784,8 +28445,8 @@ If another Expression instance is passed, - 
    3058class Div(Binary):
-3059    pass
+            
    3185class Div(Binary):
+3186    pass
 
    
 
 
@@ -27833,6 +28494,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -27848,8 +28522,8 @@ If another Expression instance is passed, - 
    3062class Overlaps(Binary):
-3063    pass
+            
    3189class Overlaps(Binary):
+3190    pass
 
    
 
 
@@ -27897,6 +28571,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -27912,24 +28599,24 @@ If another Expression instance is passed, - 
    3066class Dot(Binary):
-3067    @property
-3068    def name(self) -> str:
-3069        return self.expression.name
-3070
-3071    @classmethod
-3072    def build(self, expressions: t.Sequence[Expression]) -> Dot:
-3073        """Build a Dot object with a sequence of expressions."""
-3074        if len(expressions) < 2:
-3075            raise ValueError(f"Dot requires >= 2 expressions.")
-3076
-3077        a, b, *expressions = expressions
-3078        dot = Dot(this=a, expression=b)
-3079
-3080        for expression in expressions:
-3081            dot = Dot(this=dot, expression=expression)
-3082
-3083        return dot
+            
    3193class Dot(Binary):
+3194    @property
+3195    def name(self) -> str:
+3196        return self.expression.name
+3197
+3198    @classmethod
+3199    def build(self, expressions: t.Sequence[Expression]) -> Dot:
+3200        """Build a Dot object with a sequence of expressions."""
+3201        if len(expressions) < 2:
+3202            raise ValueError(f"Dot requires >= 2 expressions.")
+3203
+3204        a, b, *expressions = expressions
+3205        dot = Dot(this=a, expression=b)
+3206
+3207        for expression in expressions:
+3208            dot = Dot(this=dot, expression=expression)
+3209
+3210        return dot
 
    
 
 
@@ -27947,19 +28634,19 @@ If another Expression instance is passed,
    - 
    3071    @classmethod
-3072    def build(self, expressions: t.Sequence[Expression]) -> Dot:
-3073        """Build a Dot object with a sequence of expressions."""
-3074        if len(expressions) < 2:
-3075            raise ValueError(f"Dot requires >= 2 expressions.")
-3076
-3077        a, b, *expressions = expressions
-3078        dot = Dot(this=a, expression=b)
-3079
-3080        for expression in expressions:
-3081            dot = Dot(this=dot, expression=expression)
-3082
-3083        return dot
+            
    3198    @classmethod
+3199    def build(self, expressions: t.Sequence[Expression]) -> Dot:
+3200        """Build a Dot object with a sequence of expressions."""
+3201        if len(expressions) < 2:
+3202            raise ValueError(f"Dot requires >= 2 expressions.")
+3203
+3204        a, b, *expressions = expressions
+3205        dot = Dot(this=a, expression=b)
+3206
+3207        for expression in expressions:
+3208            dot = Dot(this=dot, expression=expression)
+3209
+3210        return dot
 
    
 
 
@@ -28010,6 +28697,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -28025,8 +28725,8 @@ If another Expression instance is passed, - 
    3086class DPipe(Binary):
-3087    pass
+            
    3213class DPipe(Binary):
+3214    pass
 
    
 
 
@@ -28074,6 +28774,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -28089,8 +28802,8 @@ If another Expression instance is passed, - 
    3090class EQ(Binary, Predicate):
-3091    pass
+            
    3217class EQ(Binary, Predicate):
+3218    pass
 
    
 
 
@@ -28143,6 +28856,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -28159,8 +28879,8 @@ If another Expression instance is passed, - 
    3094class NullSafeEQ(Binary, Predicate):
-3095    pass
+            
    3221class NullSafeEQ(Binary, Predicate):
+3222    pass
 
    
 
 
@@ -28213,6 +28933,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -28229,8 +28956,8 @@ If another Expression instance is passed, - 
    3098class NullSafeNEQ(Binary, Predicate):
-3099    pass
+            
    3225class NullSafeNEQ(Binary, Predicate):
+3226    pass
 
    
 
 
@@ -28283,6 +29010,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -28299,8 +29033,8 @@ If another Expression instance is passed, - 
    3102class Distance(Binary):
-3103    pass
+            
    3229class Distance(Binary):
+3230    pass
 
    
 
 
@@ -28348,6 +29082,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -28363,8 +29110,8 @@ If another Expression instance is passed, - 
    3106class Escape(Binary):
-3107    pass
+            
    3233class Escape(Binary):
+3234    pass
 
    
 
 
@@ -28412,6 +29159,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -28427,8 +29187,8 @@ If another Expression instance is passed, - 
    3110class Glob(Binary, Predicate):
-3111    pass
+            
    3237class Glob(Binary, Predicate):
+3238    pass
 
    
 
 
@@ -28481,6 +29241,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -28497,8 +29264,8 @@ If another Expression instance is passed, - 
    3114class GT(Binary, Predicate):
-3115    pass
+            
    3241class GT(Binary, Predicate):
+3242    pass
 
    
 
 
@@ -28551,6 +29318,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -28567,8 +29341,8 @@ If another Expression instance is passed, - 
    3118class GTE(Binary, Predicate):
-3119    pass
+            
    3245class GTE(Binary, Predicate):
+3246    pass
 
    
 
 
@@ -28621,6 +29395,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -28637,8 +29418,8 @@ If another Expression instance is passed, - 
    3122class ILike(Binary, Predicate):
-3123    pass
+            
    3249class ILike(Binary, Predicate):
+3250    pass
 
    
 
 
@@ -28691,6 +29472,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -28707,8 +29495,8 @@ If another Expression instance is passed, - 
    3126class ILikeAny(Binary, Predicate):
-3127    pass
+            
    3253class ILikeAny(Binary, Predicate):
+3254    pass
 
    
 
 
@@ -28761,6 +29549,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -28777,8 +29572,8 @@ If another Expression instance is passed, - 
    3130class IntDiv(Binary):
-3131    pass
+            
    3257class IntDiv(Binary):
+3258    pass
 
    
 
 
@@ -28826,6 +29621,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -28841,8 +29649,8 @@ If another Expression instance is passed, - 
    3134class Is(Binary, Predicate):
-3135    pass
+            
    3261class Is(Binary, Predicate):
+3262    pass
 
    
 
 
@@ -28895,6 +29703,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -28911,8 +29726,8 @@ If another Expression instance is passed, - 
    3138class Kwarg(Binary):
-3139    """Kwarg in special functions like func(kwarg => y)."""
+            
    3265class Kwarg(Binary):
+3266    """Kwarg in special functions like func(kwarg => y)."""
 
    
 
 
@@ -28962,6 +29777,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -28977,8 +29805,8 @@ If another Expression instance is passed, - 
    3142class Like(Binary, Predicate):
-3143    pass
+            
    3269class Like(Binary, Predicate):
+3270    pass
 
    
 
 
@@ -29031,6 +29859,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -29047,8 +29882,8 @@ If another Expression instance is passed, - 
    3146class LikeAny(Binary, Predicate):
-3147    pass
+            
    3273class LikeAny(Binary, Predicate):
+3274    pass
 
    
 
 
@@ -29101,6 +29936,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -29117,8 +29959,8 @@ If another Expression instance is passed, - 
    3150class LT(Binary, Predicate):
-3151    pass
+            
    3277class LT(Binary, Predicate):
+3278    pass
 
    
 
 
@@ -29171,6 +30013,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -29187,8 +30036,8 @@ If another Expression instance is passed, - 
    3154class LTE(Binary, Predicate):
-3155    pass
+            
    3281class LTE(Binary, Predicate):
+3282    pass
 
    
 
 
@@ -29241,6 +30090,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -29257,8 +30113,8 @@ If another Expression instance is passed, - 
    3158class Mod(Binary):
-3159    pass
+            
    3285class Mod(Binary):
+3286    pass
 
    
 
 
@@ -29306,6 +30162,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -29321,8 +30190,8 @@ If another Expression instance is passed, - 
    3162class Mul(Binary):
-3163    pass
+            
    3289class Mul(Binary):
+3290    pass
 
    
 
 
@@ -29370,6 +30239,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -29385,8 +30267,8 @@ If another Expression instance is passed, - 
    3166class NEQ(Binary, Predicate):
-3167    pass
+            
    3293class NEQ(Binary, Predicate):
+3294    pass
 
    
 
 
@@ -29439,6 +30321,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -29455,8 +30344,8 @@ If another Expression instance is passed, - 
    3170class SimilarTo(Binary, Predicate):
-3171    pass
+            
    3297class SimilarTo(Binary, Predicate):
+3298    pass
 
    
 
 
@@ -29509,6 +30398,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -29525,8 +30421,8 @@ If another Expression instance is passed, - 
    3174class Slice(Binary):
-3175    arg_types = {"this": False, "expression": False}
+            
    3301class Slice(Binary):
+3302    arg_types = {"this": False, "expression": False}
 
    
 
 
@@ -29574,6 +30470,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -29589,8 +30498,8 @@ If another Expression instance is passed, - 
    3178class Sub(Binary):
-3179    pass
+            
    3305class Sub(Binary):
+3306    pass
 
    
 
 
@@ -29638,6 +30547,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -29653,8 +30575,8 @@ If another Expression instance is passed, - 
    3182class ArrayOverlaps(Binary):
-3183    pass
+            
    3309class ArrayOverlaps(Binary):
+3310    pass
 
    
 
 
@@ -29702,6 +30624,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -29711,14 +30646,14 @@ If another Expression instance is passed,
    class - Unary(Expression): + Unary(Condition):
    - 
    3188class Unary(Expression):
-3189    pass
+            
    3315class Unary(Condition):
+3316    pass
 
    
 
 
@@ -29766,6 +30701,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -29781,8 +30729,8 @@ If another Expression instance is passed, - 
    3192class BitwiseNot(Unary):
-3193    pass
+            
    3319class BitwiseNot(Unary):
+3320    pass
 
    
 
 
@@ -29830,6 +30778,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -29839,14 +30800,14 @@ If another Expression instance is passed,
    class - Not(Unary, Condition): + Not(Unary):
    - 
    3196class Not(Unary, Condition):
-3197    pass
+            
    3323class Not(Unary):
+3324    pass
 
    
 
 
@@ -29899,6 +30860,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -29909,14 +30877,14 @@ If another Expression instance is passed,
    class - Paren(Unary, Condition): + Paren(Unary):
    - 
    3200class Paren(Unary, Condition):
-3201    arg_types = {"this": True, "with": False}
+            
    3327class Paren(Unary):
+3328    arg_types = {"this": True, "with": False}
 
    
 
 
@@ -29969,6 +30937,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -29985,8 +30960,8 @@ If another Expression instance is passed, - 
    3204class Neg(Unary):
-3205    pass
+            
    3331class Neg(Unary):
+3332    pass
 
    
 
 
@@ -30034,6 +31009,19 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+
    + @@ -30049,12 +31037,12 @@ If another Expression instance is passed, - 
    3208class Alias(Expression):
-3209    arg_types = {"this": True, "alias": False}
-3210
-3211    @property
-3212    def output_name(self):
-3213        return self.alias
+            
    3335class Alias(Expression):
+3336    arg_types = {"this": True, "alias": False}
+3337
+3338    @property
+3339    def output_name(self):
+3340        return self.alias
 
    
 
 
@@ -30146,12 +31134,12 @@ If another Expression instance is passed,
    - 
    3216class Aliases(Expression):
-3217    arg_types = {"this": True, "expressions": True}
-3218
-3219    @property
-3220    def aliases(self):
-3221        return self.expressions
+            
    3343class Aliases(Expression):
+3344    arg_types = {"this": True, "expressions": True}
+3345
+3346    @property
+3347    def aliases(self):
+3348        return self.expressions
 
    
 
 
@@ -30214,8 +31202,8 @@ If another Expression instance is passed,
    - 
    3224class AtTimeZone(Expression):
-3225    arg_types = {"this": True, "zone": True}
+            
    3351class AtTimeZone(Expression):
+3352    arg_types = {"this": True, "zone": True}
 
    
 
 
@@ -30278,8 +31266,8 @@ If another Expression instance is passed,
    - 
    3228class Between(Predicate):
-3229    arg_types = {"this": True, "low": True, "high": True}
+            
    3355class Between(Predicate):
+3356    arg_types = {"this": True, "low": True, "high": True}
 
    
 
 
@@ -30332,6 +31320,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -30348,8 +31343,8 @@ If another Expression instance is passed, - 
    3232class Bracket(Condition):
-3233    arg_types = {"this": True, "expressions": True}
+            
    3359class Bracket(Condition):
+3360    arg_types = {"this": True, "expressions": True}
 
    
 
 
@@ -30402,6 +31397,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -30418,8 +31420,8 @@ If another Expression instance is passed, - 
    3236class Distinct(Expression):
-3237    arg_types = {"expressions": False, "on": False}
+            
    3363class Distinct(Expression):
+3364    arg_types = {"expressions": False, "on": False}
 
    
 
 
@@ -30482,15 +31484,15 @@ If another Expression instance is passed,
    - 
    3240class In(Predicate):
-3241    arg_types = {
-3242        "this": True,
-3243        "expressions": False,
-3244        "query": False,
-3245        "unnest": False,
-3246        "field": False,
-3247        "is_global": False,
-3248    }
+            
    3367class In(Predicate):
+3368    arg_types = {
+3369        "this": True,
+3370        "expressions": False,
+3371        "query": False,
+3372        "unnest": False,
+3373        "field": False,
+3374        "is_global": False,
+3375    }
 
    
 
 
@@ -30543,6 +31545,13 @@ If another Expression instance is passed,
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -30559,18 +31568,18 @@ If another Expression instance is passed, - 
    3251class TimeUnit(Expression):
-3252    """Automatically converts unit arg into a var."""
-3253
-3254    arg_types = {"unit": False}
-3255
-3256    def __init__(self, **args):
-3257        unit = args.get("unit")
-3258        if isinstance(unit, (Column, Literal)):
-3259            args["unit"] = Var(this=unit.name)
-3260        elif isinstance(unit, Week):
-3261            unit.set("this", Var(this=unit.this.name))
-3262        super().__init__(**args)
+            
    3378class TimeUnit(Expression):
+3379    """Automatically converts unit arg into a var."""
+3380
+3381    arg_types = {"unit": False}
+3382
+3383    def __init__(self, **args):
+3384        unit = args.get("unit")
+3385        if isinstance(unit, (Column, Literal)):
+3386            args["unit"] = Var(this=unit.name)
+3387        elif isinstance(unit, Week):
+3388            unit.set("this", Var(this=unit.this.name))
+3389        super().__init__(**args)
 
    
 
 
@@ -30588,13 +31597,13 @@ If another Expression instance is passed,
    - 
    3256    def __init__(self, **args):
-3257        unit = args.get("unit")
-3258        if isinstance(unit, (Column, Literal)):
-3259            args["unit"] = Var(this=unit.name)
-3260        elif isinstance(unit, Week):
-3261            unit.set("this", Var(this=unit.this.name))
-3262        super().__init__(**args)
+            
    3383    def __init__(self, **args):
+3384        unit = args.get("unit")
+3385        if isinstance(unit, (Column, Literal)):
+3386            args["unit"] = Var(this=unit.name)
+3387        elif isinstance(unit, Week):
+3388            unit.set("this", Var(this=unit.this.name))
+3389        super().__init__(**args)
 
    
 
 
@@ -30657,8 +31666,8 @@ If another Expression instance is passed,
    - 
    3265class Interval(TimeUnit):
-3266    arg_types = {"this": False, "unit": False}
+            
    3392class Interval(TimeUnit):
+3393    arg_types = {"this": False, "unit": False}
 
    
 
 
@@ -30724,8 +31733,8 @@ If another Expression instance is passed,
    - 
    3269class IgnoreNulls(Expression):
-3270    pass
+            
    3396class IgnoreNulls(Expression):
+3397    pass
 
    
 
 
@@ -30788,8 +31797,8 @@ If another Expression instance is passed,
    - 
    3273class RespectNulls(Expression):
-3274    pass
+            
    3400class RespectNulls(Expression):
+3401    pass
 
    
 
 
@@ -30852,53 +31861,53 @@ If another Expression instance is passed,
    - 
    3278class Func(Condition):
-3279    """
-3280    The base class for all function expressions.
-3281
-3282    Attributes:
-3283        is_var_len_args (bool): if set to True the last argument defined in arg_types will be
-3284            treated as a variable length argument and the argument's value will be stored as a list.
-3285        _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items)
-3286            for this function expression. These values are used to map this node to a name during parsing
-3287            as well as to provide the function's name during SQL string generation. By default the SQL
-3288            name is set to the expression's class name transformed to snake case.
-3289    """
-3290
-3291    is_var_len_args = False
-3292
-3293    @classmethod
-3294    def from_arg_list(cls, args):
-3295        if cls.is_var_len_args:
-3296            all_arg_keys = list(cls.arg_types)
-3297            # If this function supports variable length argument treat the last argument as such.
-3298            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
-3299            num_non_var = len(non_var_len_arg_keys)
-3300
-3301            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
-3302            args_dict[all_arg_keys[-1]] = args[num_non_var:]
-3303        else:
-3304            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
-3305
-3306        return cls(**args_dict)
-3307
-3308    @classmethod
-3309    def sql_names(cls):
-3310        if cls is Func:
-3311            raise NotImplementedError(
-3312                "SQL name is only supported by concrete function implementations"
-3313            )
-3314        if "_sql_names" not in cls.__dict__:
-3315            cls._sql_names = [camel_to_snake_case(cls.__name__)]
-3316        return cls._sql_names
-3317
-3318    @classmethod
-3319    def sql_name(cls):
-3320        return cls.sql_names()[0]
-3321
-3322    @classmethod
-3323    def default_parser_mappings(cls):
-3324        return {name: cls.from_arg_list for name in cls.sql_names()}
+            
    3405class Func(Condition):
+3406    """
+3407    The base class for all function expressions.
+3408
+3409    Attributes:
+3410        is_var_len_args (bool): if set to True the last argument defined in arg_types will be
+3411            treated as a variable length argument and the argument's value will be stored as a list.
+3412        _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items)
+3413            for this function expression. These values are used to map this node to a name during parsing
+3414            as well as to provide the function's name during SQL string generation. By default the SQL
+3415            name is set to the expression's class name transformed to snake case.
+3416    """
+3417
+3418    is_var_len_args = False
+3419
+3420    @classmethod
+3421    def from_arg_list(cls, args):
+3422        if cls.is_var_len_args:
+3423            all_arg_keys = list(cls.arg_types)
+3424            # If this function supports variable length argument treat the last argument as such.
+3425            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
+3426            num_non_var = len(non_var_len_arg_keys)
+3427
+3428            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
+3429            args_dict[all_arg_keys[-1]] = args[num_non_var:]
+3430        else:
+3431            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
+3432
+3433        return cls(**args_dict)
+3434
+3435    @classmethod
+3436    def sql_names(cls):
+3437        if cls is Func:
+3438            raise NotImplementedError(
+3439                "SQL name is only supported by concrete function implementations"
+3440            )
+3441        if "_sql_names" not in cls.__dict__:
+3442            cls._sql_names = [camel_to_snake_case(cls.__name__)]
+3443        return cls._sql_names
+3444
+3445    @classmethod
+3446    def sql_name(cls):
+3447        return cls.sql_names()[0]
+3448
+3449    @classmethod
+3450    def default_parser_mappings(cls):
+3451        return {name: cls.from_arg_list for name in cls.sql_names()}
 
    
 
 
@@ -30929,20 +31938,20 @@ name is set to the expression's class name transformed to snake case.
    - 
    3293    @classmethod
-3294    def from_arg_list(cls, args):
-3295        if cls.is_var_len_args:
-3296            all_arg_keys = list(cls.arg_types)
-3297            # If this function supports variable length argument treat the last argument as such.
-3298            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
-3299            num_non_var = len(non_var_len_arg_keys)
-3300
-3301            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
-3302            args_dict[all_arg_keys[-1]] = args[num_non_var:]
-3303        else:
-3304            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
-3305
-3306        return cls(**args_dict)
+            
    3420    @classmethod
+3421    def from_arg_list(cls, args):
+3422        if cls.is_var_len_args:
+3423            all_arg_keys = list(cls.arg_types)
+3424            # If this function supports variable length argument treat the last argument as such.
+3425            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
+3426            num_non_var = len(non_var_len_arg_keys)
+3427
+3428            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
+3429            args_dict[all_arg_keys[-1]] = args[num_non_var:]
+3430        else:
+3431            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
+3432
+3433        return cls(**args_dict)
 
    
 
 
@@ -30961,15 +31970,15 @@ name is set to the expression's class name transformed to snake case.
    - 
    3308    @classmethod
-3309    def sql_names(cls):
-3310        if cls is Func:
-3311            raise NotImplementedError(
-3312                "SQL name is only supported by concrete function implementations"
-3313            )
-3314        if "_sql_names" not in cls.__dict__:
-3315            cls._sql_names = [camel_to_snake_case(cls.__name__)]
-3316        return cls._sql_names
+            
    3435    @classmethod
+3436    def sql_names(cls):
+3437        if cls is Func:
+3438            raise NotImplementedError(
+3439                "SQL name is only supported by concrete function implementations"
+3440            )
+3441        if "_sql_names" not in cls.__dict__:
+3442            cls._sql_names = [camel_to_snake_case(cls.__name__)]
+3443        return cls._sql_names
 
    
 
 
@@ -30988,9 +31997,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3318    @classmethod
-3319    def sql_name(cls):
-3320        return cls.sql_names()[0]
+            
    3445    @classmethod
+3446    def sql_name(cls):
+3447        return cls.sql_names()[0]
 
    
 
 
@@ -31009,9 +32018,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3322    @classmethod
-3323    def default_parser_mappings(cls):
-3324        return {name: cls.from_arg_list for name in cls.sql_names()}
+            
    3449    @classmethod
+3450    def default_parser_mappings(cls):
+3451        return {name: cls.from_arg_list for name in cls.sql_names()}
 
    
 
 
@@ -31065,6 +32074,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31081,8 +32097,8 @@ name is set to the expression's class name transformed to snake case. - 
    3327class AggFunc(Func):
-3328    pass
+            
    3454class AggFunc(Func):
+3455    pass
 
    
 
 
@@ -31142,6 +32158,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31158,8 +32181,8 @@ name is set to the expression's class name transformed to snake case. - 
    3331class Abs(Func):
-3332    pass
+            
    3458class Abs(Func):
+3459    pass
 
    
 
 
@@ -31219,6 +32242,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31235,9 +32265,9 @@ name is set to the expression's class name transformed to snake case. - 
    3335class Anonymous(Func):
-3336    arg_types = {"this": True, "expressions": False}
-3337    is_var_len_args = True
+            
    3462class Anonymous(Func):
+3463    arg_types = {"this": True, "expressions": False}
+3464    is_var_len_args = True
 
    
 
 
@@ -31297,6 +32327,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31313,9 +32350,9 @@ name is set to the expression's class name transformed to snake case. - 
    3342class Hll(AggFunc):
-3343    arg_types = {"this": True, "expressions": False}
-3344    is_var_len_args = True
+            
    3469class Hll(AggFunc):
+3470    arg_types = {"this": True, "expressions": False}
+3471    is_var_len_args = True
 
    
 
 
@@ -31375,6 +32412,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31391,8 +32435,8 @@ name is set to the expression's class name transformed to snake case. - 
    3347class ApproxDistinct(AggFunc):
-3348    arg_types = {"this": True, "accuracy": False}
+            
    3474class ApproxDistinct(AggFunc):
+3475    arg_types = {"this": True, "accuracy": False}
 
    
 
 
@@ -31452,6 +32496,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31468,9 +32519,9 @@ name is set to the expression's class name transformed to snake case. - 
    3351class Array(Func):
-3352    arg_types = {"expressions": False}
-3353    is_var_len_args = True
+            
    3478class Array(Func):
+3479    arg_types = {"expressions": False}
+3480    is_var_len_args = True
 
    
 
 
@@ -31530,6 +32581,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31546,8 +32604,8 @@ name is set to the expression's class name transformed to snake case. - 
    3357class ToChar(Func):
-3358    arg_types = {"this": True, "format": False}
+            
    3484class ToChar(Func):
+3485    arg_types = {"this": True, "format": False}
 
    
 
 
@@ -31607,6 +32665,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31623,8 +32688,8 @@ name is set to the expression's class name transformed to snake case. - 
    3361class GenerateSeries(Func):
-3362    arg_types = {"start": True, "end": True, "step": False}
+            
    3488class GenerateSeries(Func):
+3489    arg_types = {"start": True, "end": True, "step": False}
 
    
 
 
@@ -31684,6 +32749,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31700,8 +32772,8 @@ name is set to the expression's class name transformed to snake case. - 
    3365class ArrayAgg(AggFunc):
-3366    pass
+            
    3492class ArrayAgg(AggFunc):
+3493    pass
 
    
 
 
@@ -31761,6 +32833,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31777,8 +32856,8 @@ name is set to the expression's class name transformed to snake case. - 
    3369class ArrayAll(Func):
-3370    arg_types = {"this": True, "expression": True}
+            
    3496class ArrayAll(Func):
+3497    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -31838,6 +32917,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31854,8 +32940,8 @@ name is set to the expression's class name transformed to snake case. - 
    3373class ArrayAny(Func):
-3374    arg_types = {"this": True, "expression": True}
+            
    3500class ArrayAny(Func):
+3501    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -31915,6 +33001,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -31931,9 +33024,9 @@ name is set to the expression's class name transformed to snake case. - 
    3377class ArrayConcat(Func):
-3378    arg_types = {"this": True, "expressions": False}
-3379    is_var_len_args = True
+            
    3504class ArrayConcat(Func):
+3505    arg_types = {"this": True, "expressions": False}
+3506    is_var_len_args = True
 
    
 
 
@@ -31993,6 +33086,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32009,8 +33109,8 @@ name is set to the expression's class name transformed to snake case. - 
    3382class ArrayContains(Binary, Func):
-3383    pass
+            
    3509class ArrayContains(Binary, Func):
+3510    pass
 
    
 
 
@@ -32070,6 +33170,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32086,8 +33193,8 @@ name is set to the expression's class name transformed to snake case. - 
    3386class ArrayContained(Binary):
-3387    pass
+            
    3513class ArrayContained(Binary):
+3514    pass
 
    
 
 
@@ -32135,6 +33242,19 @@ name is set to the expression's class name transformed to snake case.
                 
    dump
    
                 
    load
    
 
+
    + @@ -32150,9 +33270,9 @@ name is set to the expression's class name transformed to snake case. - 
    3390class ArrayFilter(Func):
-3391    arg_types = {"this": True, "expression": True}
-3392    _sql_names = ["FILTER", "ARRAY_FILTER"]
+            
    3517class ArrayFilter(Func):
+3518    arg_types = {"this": True, "expression": True}
+3519    _sql_names = ["FILTER", "ARRAY_FILTER"]
 
    
 
 
@@ -32212,6 +33332,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32228,8 +33355,8 @@ name is set to the expression's class name transformed to snake case. - 
    3395class ArrayJoin(Func):
-3396    arg_types = {"this": True, "expression": True, "null": False}
+            
    3522class ArrayJoin(Func):
+3523    arg_types = {"this": True, "expression": True, "null": False}
 
    
 
 
@@ -32289,6 +33416,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32305,8 +33439,8 @@ name is set to the expression's class name transformed to snake case. - 
    3399class ArraySize(Func):
-3400    arg_types = {"this": True, "expression": False}
+            
    3526class ArraySize(Func):
+3527    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -32366,6 +33500,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32382,8 +33523,8 @@ name is set to the expression's class name transformed to snake case. - 
    3403class ArraySort(Func):
-3404    arg_types = {"this": True, "expression": False}
+            
    3530class ArraySort(Func):
+3531    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -32443,6 +33584,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32459,8 +33607,8 @@ name is set to the expression's class name transformed to snake case. - 
    3407class ArraySum(Func):
-3408    pass
+            
    3534class ArraySum(Func):
+3535    pass
 
    
 
 
@@ -32520,6 +33668,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32536,8 +33691,8 @@ name is set to the expression's class name transformed to snake case. - 
    3411class ArrayUnionAgg(AggFunc):
-3412    pass
+            
    3538class ArrayUnionAgg(AggFunc):
+3539    pass
 
    
 
 
@@ -32597,6 +33752,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32613,8 +33775,8 @@ name is set to the expression's class name transformed to snake case. - 
    3415class Avg(AggFunc):
-3416    pass
+            
    3542class Avg(AggFunc):
+3543    pass
 
    
 
 
@@ -32674,6 +33836,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32690,8 +33859,8 @@ name is set to the expression's class name transformed to snake case. - 
    3419class AnyValue(AggFunc):
-3420    pass
+            
    3546class AnyValue(AggFunc):
+3547    pass
 
    
 
 
@@ -32751,6 +33920,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32767,13 +33943,77 @@ name is set to the expression's class name transformed to snake case. - 
    3423class Case(Func):
-3424    arg_types = {"this": False, "ifs": True, "default": False}
+            
    3550class Case(Func):
+3551    arg_types = {"this": False, "ifs": True, "default": False}
+3552
+3553    def when(self, condition: ExpOrStr, then: ExpOrStr, copy: bool = True, **opts) -> Case:
+3554        instance = _maybe_copy(self, copy)
+3555        instance.append(
+3556            "ifs",
+3557            If(
+3558                this=maybe_parse(condition, copy=copy, **opts),
+3559                true=maybe_parse(then, copy=copy, **opts),
+3560            ),
+3561        )
+3562        return instance
+3563
+3564    def else_(self, condition: ExpOrStr, copy: bool = True, **opts) -> Case:
+3565        instance = _maybe_copy(self, copy)
+3566        instance.set("default", maybe_parse(condition, copy=copy, **opts))
+3567        return instance
+
    
+
+
+    
+
+                            
    
+                                        
+
    
+            
+        def
+        when(	self,	condition: Union[str, sqlglot.expressions.Expression],	then: Union[str, sqlglot.expressions.Expression],	copy: bool = True,	**opts) -> sqlglot.expressions.Case:
+
+                
+
+    
    
+    
+            
    3553    def when(self, condition: ExpOrStr, then: ExpOrStr, copy: bool = True, **opts) -> Case:
+3554        instance = _maybe_copy(self, copy)
+3555        instance.append(
+3556            "ifs",
+3557            If(
+3558                this=maybe_parse(condition, copy=copy, **opts),
+3559                true=maybe_parse(then, copy=copy, **opts),
+3560            ),
+3561        )
+3562        return instance
+
    
+
+
+    
+
+                            
    
+                            
    
+                                        
+
    
+            
+        def
+        else_(	self,	condition: Union[str, sqlglot.expressions.Expression],	copy: bool = True,	**opts) -> sqlglot.expressions.Case:
+
+                
+
+    
    
+    
+            
    3564    def else_(self, condition: ExpOrStr, copy: bool = True, **opts) -> Case:
+3565        instance = _maybe_copy(self, copy)
+3566        instance.set("default", maybe_parse(condition, copy=copy, **opts))
+3567        return instance
 
    
 
 
     
 
+                            
    
                             
    
                                 
    Inherited Members
    
                                 
    
@@ -32828,6 +34068,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    
 
             
    
                                 
@@ -32844,23 +34091,23 @@ name is set to the expression's class name transformed to snake case.
    - 
    3427class Cast(Func):
-3428    arg_types = {"this": True, "to": True}
-3429
-3430    @property
-3431    def name(self) -> str:
-3432        return self.this.name
-3433
-3434    @property
-3435    def to(self):
-3436        return self.args["to"]
-3437
-3438    @property
-3439    def output_name(self):
-3440        return self.name
-3441
-3442    def is_type(self, dtype: DataType.Type) -> bool:
-3443        return self.to.is_type(dtype)
+            
    3570class Cast(Func):
+3571    arg_types = {"this": True, "to": True}
+3572
+3573    @property
+3574    def name(self) -> str:
+3575        return self.this.name
+3576
+3577    @property
+3578    def to(self):
+3579        return self.args["to"]
+3580
+3581    @property
+3582    def output_name(self):
+3583        return self.name
+3584
+3585    def is_type(self, dtype: DataType.Type) -> bool:
+3586        return self.to.is_type(dtype)
 
    
 
 
@@ -32907,8 +34154,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3442    def is_type(self, dtype: DataType.Type) -> bool:
-3443        return self.to.is_type(dtype)
+            
    3585    def is_type(self, dtype: DataType.Type) -> bool:
+3586        return self.to.is_type(dtype)
 
    
 
 
@@ -32968,6 +34215,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -32984,8 +34238,8 @@ name is set to the expression's class name transformed to snake case. - 
    3446class Collate(Binary):
-3447    pass
+            
    3589class Collate(Binary):
+3590    pass
 
    
 
 
@@ -33033,6 +34287,19 @@ name is set to the expression's class name transformed to snake case.
                 
    dump
    
                 
    load
    
 
+
    + @@ -33048,8 +34315,8 @@ name is set to the expression's class name transformed to snake case. - 
    3450class TryCast(Cast):
-3451    pass
+            
    3593class TryCast(Cast):
+3594    pass
 
    
 
 
@@ -33113,6 +34380,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33129,9 +34403,9 @@ name is set to the expression's class name transformed to snake case. - 
    3454class Ceil(Func):
-3455    arg_types = {"this": True, "decimals": False}
-3456    _sql_names = ["CEIL", "CEILING"]
+            
    3597class Ceil(Func):
+3598    arg_types = {"this": True, "decimals": False}
+3599    _sql_names = ["CEIL", "CEILING"]
 
    
 
 
@@ -33191,6 +34465,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33207,9 +34488,9 @@ name is set to the expression's class name transformed to snake case. - 
    3459class Coalesce(Func):
-3460    arg_types = {"this": True, "expressions": False}
-3461    is_var_len_args = True
+            
    3602class Coalesce(Func):
+3603    arg_types = {"this": True, "expressions": False}
+3604    is_var_len_args = True
 
    
 
 
@@ -33269,6 +34550,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33285,9 +34573,9 @@ name is set to the expression's class name transformed to snake case. - 
    3464class Concat(Func):
-3465    arg_types = {"expressions": True}
-3466    is_var_len_args = True
+            
    3607class Concat(Func):
+3608    arg_types = {"expressions": True}
+3609    is_var_len_args = True
 
    
 
 
@@ -33347,6 +34635,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33363,8 +34658,8 @@ name is set to the expression's class name transformed to snake case. - 
    3469class ConcatWs(Concat):
-3470    _sql_names = ["CONCAT_WS"]
+            
    3612class ConcatWs(Concat):
+3613    _sql_names = ["CONCAT_WS"]
 
    
 
 
@@ -33424,6 +34719,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33440,8 +34742,8 @@ name is set to the expression's class name transformed to snake case. - 
    3473class Count(AggFunc):
-3474    arg_types = {"this": False}
+            
    3616class Count(AggFunc):
+3617    arg_types = {"this": False}
 
    
 
 
@@ -33501,6 +34803,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33517,8 +34826,8 @@ name is set to the expression's class name transformed to snake case. - 
    3477class CountIf(AggFunc):
-3478    pass
+            
    3620class CountIf(AggFunc):
+3621    pass
 
    
 
 
@@ -33578,6 +34887,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33594,8 +34910,8 @@ name is set to the expression's class name transformed to snake case. - 
    3481class CurrentDate(Func):
-3482    arg_types = {"this": False}
+            
    3624class CurrentDate(Func):
+3625    arg_types = {"this": False}
 
    
 
 
@@ -33655,6 +34971,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33671,8 +34994,8 @@ name is set to the expression's class name transformed to snake case. - 
    3485class CurrentDatetime(Func):
-3486    arg_types = {"this": False}
+            
    3628class CurrentDatetime(Func):
+3629    arg_types = {"this": False}
 
    
 
 
@@ -33732,6 +35055,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33748,8 +35078,8 @@ name is set to the expression's class name transformed to snake case. - 
    3489class CurrentTime(Func):
-3490    arg_types = {"this": False}
+            
    3632class CurrentTime(Func):
+3633    arg_types = {"this": False}
 
    
 
 
@@ -33809,6 +35139,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33825,8 +35162,8 @@ name is set to the expression's class name transformed to snake case. - 
    3493class CurrentTimestamp(Func):
-3494    arg_types = {"this": False}
+            
    3636class CurrentTimestamp(Func):
+3637    arg_types = {"this": False}
 
    
 
 
@@ -33886,6 +35223,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33902,8 +35246,8 @@ name is set to the expression's class name transformed to snake case. - 
    3497class CurrentUser(Func):
-3498    arg_types = {"this": False}
+            
    3640class CurrentUser(Func):
+3641    arg_types = {"this": False}
 
    
 
 
@@ -33963,6 +35307,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -33979,8 +35330,8 @@ name is set to the expression's class name transformed to snake case. - 
    3501class DateAdd(Func, TimeUnit):
-3502    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3644class DateAdd(Func, TimeUnit):
+3645    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -34004,6 +35355,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -34059,8 +35417,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3505class DateSub(Func, TimeUnit):
-3506    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3648class DateSub(Func, TimeUnit):
+3649    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -34084,6 +35442,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -34139,9 +35504,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3509class DateDiff(Func, TimeUnit):
-3510    _sql_names = ["DATEDIFF", "DATE_DIFF"]
-3511    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3652class DateDiff(Func, TimeUnit):
+3653    _sql_names = ["DATEDIFF", "DATE_DIFF"]
+3654    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -34165,6 +35530,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -34220,8 +35592,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3514class DateTrunc(Func):
-3515    arg_types = {"unit": True, "this": True, "zone": False}
+            
    3657class DateTrunc(Func):
+3658    arg_types = {"unit": True, "this": True, "zone": False}
 
    
 
 
@@ -34281,6 +35653,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -34297,8 +35676,8 @@ name is set to the expression's class name transformed to snake case. - 
    3518class DatetimeAdd(Func, TimeUnit):
-3519    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3661class DatetimeAdd(Func, TimeUnit):
+3662    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -34322,6 +35701,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -34377,8 +35763,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3522class DatetimeSub(Func, TimeUnit):
-3523    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3665class DatetimeSub(Func, TimeUnit):
+3666    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -34402,6 +35788,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -34457,8 +35850,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3526class DatetimeDiff(Func, TimeUnit):
-3527    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3669class DatetimeDiff(Func, TimeUnit):
+3670    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -34482,6 +35875,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -34537,8 +35937,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3530class DatetimeTrunc(Func, TimeUnit):
-3531    arg_types = {"this": True, "unit": True, "zone": False}
+            
    3673class DatetimeTrunc(Func, TimeUnit):
+3674    arg_types = {"this": True, "unit": True, "zone": False}
 
    
 
 
@@ -34562,6 +35962,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -34617,8 +36024,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3534class DayOfWeek(Func):
-3535    _sql_names = ["DAY_OF_WEEK", "DAYOFWEEK"]
+            
    3677class DayOfWeek(Func):
+3678    _sql_names = ["DAY_OF_WEEK", "DAYOFWEEK"]
 
    
 
 
@@ -34678,6 +36085,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -34694,8 +36108,8 @@ name is set to the expression's class name transformed to snake case. - 
    3538class DayOfMonth(Func):
-3539    _sql_names = ["DAY_OF_MONTH", "DAYOFMONTH"]
+            
    3681class DayOfMonth(Func):
+3682    _sql_names = ["DAY_OF_MONTH", "DAYOFMONTH"]
 
    
 
 
@@ -34755,6 +36169,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -34771,8 +36192,8 @@ name is set to the expression's class name transformed to snake case. - 
    3542class DayOfYear(Func):
-3543    _sql_names = ["DAY_OF_YEAR", "DAYOFYEAR"]
+            
    3685class DayOfYear(Func):
+3686    _sql_names = ["DAY_OF_YEAR", "DAYOFYEAR"]
 
    
 
 
@@ -34832,6 +36253,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -34848,8 +36276,8 @@ name is set to the expression's class name transformed to snake case. - 
    3546class WeekOfYear(Func):
-3547    _sql_names = ["WEEK_OF_YEAR", "WEEKOFYEAR"]
+            
    3689class WeekOfYear(Func):
+3690    _sql_names = ["WEEK_OF_YEAR", "WEEKOFYEAR"]
 
    
 
 
@@ -34909,6 +36337,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -34925,8 +36360,8 @@ name is set to the expression's class name transformed to snake case. - 
    3550class LastDateOfMonth(Func):
-3551    pass
+            
    3693class LastDateOfMonth(Func):
+3694    pass
 
    
 
 
@@ -34986,6 +36421,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -35002,8 +36444,8 @@ name is set to the expression's class name transformed to snake case. - 
    3554class Extract(Func):
-3555    arg_types = {"this": True, "expression": True}
+            
    3697class Extract(Func):
+3698    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -35063,6 +36505,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -35079,8 +36528,8 @@ name is set to the expression's class name transformed to snake case. - 
    3558class TimestampAdd(Func, TimeUnit):
-3559    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3701class TimestampAdd(Func, TimeUnit):
+3702    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -35104,6 +36553,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -35159,8 +36615,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3562class TimestampSub(Func, TimeUnit):
-3563    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3705class TimestampSub(Func, TimeUnit):
+3706    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -35184,6 +36640,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -35239,8 +36702,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3566class TimestampDiff(Func, TimeUnit):
-3567    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3709class TimestampDiff(Func, TimeUnit):
+3710    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -35264,6 +36727,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -35319,8 +36789,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3570class TimestampTrunc(Func, TimeUnit):
-3571    arg_types = {"this": True, "unit": True, "zone": False}
+            
    3713class TimestampTrunc(Func, TimeUnit):
+3714    arg_types = {"this": True, "unit": True, "zone": False}
 
    
 
 
@@ -35344,6 +36814,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -35399,8 +36876,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3574class TimeAdd(Func, TimeUnit):
-3575    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3717class TimeAdd(Func, TimeUnit):
+3718    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -35424,6 +36901,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -35479,8 +36963,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3578class TimeSub(Func, TimeUnit):
-3579    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3721class TimeSub(Func, TimeUnit):
+3722    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -35504,6 +36988,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -35559,8 +37050,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3582class TimeDiff(Func, TimeUnit):
-3583    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3725class TimeDiff(Func, TimeUnit):
+3726    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -35584,6 +37075,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -35639,8 +37137,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3586class TimeTrunc(Func, TimeUnit):
-3587    arg_types = {"this": True, "unit": True, "zone": False}
+            
    3729class TimeTrunc(Func, TimeUnit):
+3730    arg_types = {"this": True, "unit": True, "zone": False}
 
    
 
 
@@ -35664,6 +37162,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -35719,9 +37224,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3590class DateFromParts(Func):
-3591    _sql_names = ["DATEFROMPARTS"]
-3592    arg_types = {"year": True, "month": True, "day": True}
+            
    3733class DateFromParts(Func):
+3734    _sql_names = ["DATEFROMPARTS"]
+3735    arg_types = {"year": True, "month": True, "day": True}
 
    
 
 
@@ -35781,6 +37286,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -35797,8 +37309,8 @@ name is set to the expression's class name transformed to snake case. - 
    3595class DateStrToDate(Func):
-3596    pass
+            
    3738class DateStrToDate(Func):
+3739    pass
 
    
 
 
@@ -35858,6 +37370,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -35874,8 +37393,8 @@ name is set to the expression's class name transformed to snake case. - 
    3599class DateToDateStr(Func):
-3600    pass
+            
    3742class DateToDateStr(Func):
+3743    pass
 
    
 
 
@@ -35935,6 +37454,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -35951,8 +37477,8 @@ name is set to the expression's class name transformed to snake case. - 
    3603class DateToDi(Func):
-3604    pass
+            
    3746class DateToDi(Func):
+3747    pass
 
    
 
 
@@ -36012,6 +37538,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36028,8 +37561,8 @@ name is set to the expression's class name transformed to snake case. - 
    3607class Day(Func):
-3608    pass
+            
    3750class Day(Func):
+3751    pass
 
    
 
 
@@ -36089,6 +37622,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36105,8 +37645,8 @@ name is set to the expression's class name transformed to snake case. - 
    3611class Decode(Func):
-3612    arg_types = {"this": True, "charset": True, "replace": False}
+            
    3754class Decode(Func):
+3755    arg_types = {"this": True, "charset": True, "replace": False}
 
    
 
 
@@ -36166,6 +37706,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36182,8 +37729,8 @@ name is set to the expression's class name transformed to snake case. - 
    3615class DiToDate(Func):
-3616    pass
+            
    3758class DiToDate(Func):
+3759    pass
 
    
 
 
@@ -36243,6 +37790,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36259,8 +37813,8 @@ name is set to the expression's class name transformed to snake case. - 
    3619class Encode(Func):
-3620    arg_types = {"this": True, "charset": True}
+            
    3762class Encode(Func):
+3763    arg_types = {"this": True, "charset": True}
 
    
 
 
@@ -36320,6 +37874,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36336,8 +37897,8 @@ name is set to the expression's class name transformed to snake case. - 
    3623class Exp(Func):
-3624    pass
+            
    3766class Exp(Func):
+3767    pass
 
    
 
 
@@ -36397,6 +37958,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36413,8 +37981,8 @@ name is set to the expression's class name transformed to snake case. - 
    3627class Explode(Func):
-3628    pass
+            
    3770class Explode(Func):
+3771    pass
 
    
 
 
@@ -36474,6 +38042,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36490,8 +38065,8 @@ name is set to the expression's class name transformed to snake case. - 
    3631class ExponentialTimeDecayedAvg(AggFunc):
-3632    arg_types = {"this": True, "time": False, "decay": False}
+            
    3774class ExponentialTimeDecayedAvg(AggFunc):
+3775    arg_types = {"this": True, "time": False, "decay": False}
 
    
 
 
@@ -36551,6 +38126,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36567,8 +38149,8 @@ name is set to the expression's class name transformed to snake case. - 
    3635class Floor(Func):
-3636    arg_types = {"this": True, "decimals": False}
+            
    3778class Floor(Func):
+3779    arg_types = {"this": True, "decimals": False}
 
    
 
 
@@ -36628,6 +38210,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36644,9 +38233,9 @@ name is set to the expression's class name transformed to snake case. - 
    3639class Greatest(Func):
-3640    arg_types = {"this": True, "expressions": False}
-3641    is_var_len_args = True
+            
    3782class Greatest(Func):
+3783    arg_types = {"this": True, "expressions": False}
+3784    is_var_len_args = True
 
    
 
 
@@ -36706,6 +38295,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36722,8 +38318,8 @@ name is set to the expression's class name transformed to snake case. - 
    3644class GroupConcat(Func):
-3645    arg_types = {"this": True, "separator": False}
+            
    3787class GroupConcat(Func):
+3788    arg_types = {"this": True, "separator": False}
 
    
 
 
@@ -36783,6 +38379,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36799,8 +38402,8 @@ name is set to the expression's class name transformed to snake case. - 
    3648class GroupUniqArray(AggFunc):
-3649    arg_types = {"this": True, "size": False}
+            
    3791class GroupUniqArray(AggFunc):
+3792    arg_types = {"this": True, "size": False}
 
    
 
 
@@ -36860,6 +38463,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36876,8 +38486,8 @@ name is set to the expression's class name transformed to snake case. - 
    3652class Hex(Func):
-3653    pass
+            
    3795class Hex(Func):
+3796    pass
 
    
 
 
@@ -36937,6 +38547,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -36953,8 +38570,8 @@ name is set to the expression's class name transformed to snake case. - 
    3656class Histogram(AggFunc):
-3657    arg_types = {"this": True, "bins": False}
+            
    3799class Histogram(AggFunc):
+3800    arg_types = {"this": True, "bins": False}
 
    
 
 
@@ -37014,6 +38631,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37030,8 +38654,8 @@ name is set to the expression's class name transformed to snake case. - 
    3660class If(Func):
-3661    arg_types = {"this": True, "true": True, "false": False}
+            
    3803class If(Func):
+3804    arg_types = {"this": True, "true": True, "false": False}
 
    
 
 
@@ -37091,6 +38715,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37107,9 +38738,9 @@ name is set to the expression's class name transformed to snake case. - 
    3664class IfNull(Func):
-3665    arg_types = {"this": True, "expression": False}
-3666    _sql_names = ["IFNULL", "NVL"]
+            
    3807class IfNull(Func):
+3808    arg_types = {"this": True, "expression": False}
+3809    _sql_names = ["IFNULL", "NVL"]
 
    
 
 
@@ -37169,6 +38800,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37185,8 +38823,8 @@ name is set to the expression's class name transformed to snake case. - 
    3669class Initcap(Func):
-3670    pass
+            
    3812class Initcap(Func):
+3813    pass
 
    
 
 
@@ -37246,6 +38884,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37262,8 +38907,8 @@ name is set to the expression's class name transformed to snake case. - 
    3673class JSONKeyValue(Expression):
-3674    arg_types = {"this": True, "expression": True}
+            
    3816class JSONKeyValue(Expression):
+3817    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -37326,15 +38971,15 @@ name is set to the expression's class name transformed to snake case.
    - 
    3677class JSONObject(Func):
-3678    arg_types = {
-3679        "expressions": False,
-3680        "null_handling": False,
-3681        "unique_keys": False,
-3682        "return_type": False,
-3683        "format_json": False,
-3684        "encoding": False,
-3685    }
+            
    3820class JSONObject(Func):
+3821    arg_types = {
+3822        "expressions": False,
+3823        "null_handling": False,
+3824        "unique_keys": False,
+3825        "return_type": False,
+3826        "format_json": False,
+3827        "encoding": False,
+3828    }
 
    
 
 
@@ -37394,6 +39039,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37410,8 +39062,8 @@ name is set to the expression's class name transformed to snake case. - 
    3688class JSONBContains(Binary):
-3689    _sql_names = ["JSONB_CONTAINS"]
+            
    3831class JSONBContains(Binary):
+3832    _sql_names = ["JSONB_CONTAINS"]
 
    
 
 
@@ -37459,6 +39111,19 @@ name is set to the expression's class name transformed to snake case.
                 
    dump
    
                 
    load
    
 
+
    + @@ -37474,8 +39139,8 @@ name is set to the expression's class name transformed to snake case. - 
    3692class JSONExtract(Binary, Func):
-3693    _sql_names = ["JSON_EXTRACT"]
+            
    3835class JSONExtract(Binary, Func):
+3836    _sql_names = ["JSON_EXTRACT"]
 
    
 
 
@@ -37535,6 +39200,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37551,8 +39223,8 @@ name is set to the expression's class name transformed to snake case. - 
    3696class JSONExtractScalar(JSONExtract):
-3697    _sql_names = ["JSON_EXTRACT_SCALAR"]
+            
    3839class JSONExtractScalar(JSONExtract):
+3840    _sql_names = ["JSON_EXTRACT_SCALAR"]
 
    
 
 
@@ -37612,6 +39284,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37628,8 +39307,8 @@ name is set to the expression's class name transformed to snake case. - 
    3700class JSONBExtract(JSONExtract):
-3701    _sql_names = ["JSONB_EXTRACT"]
+            
    3843class JSONBExtract(JSONExtract):
+3844    _sql_names = ["JSONB_EXTRACT"]
 
    
 
 
@@ -37689,6 +39368,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37705,8 +39391,8 @@ name is set to the expression's class name transformed to snake case. - 
    3704class JSONBExtractScalar(JSONExtract):
-3705    _sql_names = ["JSONB_EXTRACT_SCALAR"]
+            
    3847class JSONBExtractScalar(JSONExtract):
+3848    _sql_names = ["JSONB_EXTRACT_SCALAR"]
 
    
 
 
@@ -37766,6 +39452,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37782,9 +39475,9 @@ name is set to the expression's class name transformed to snake case. - 
    3708class JSONFormat(Func):
-3709    arg_types = {"this": False, "options": False}
-3710    _sql_names = ["JSON_FORMAT"]
+            
    3851class JSONFormat(Func):
+3852    arg_types = {"this": False, "options": False}
+3853    _sql_names = ["JSON_FORMAT"]
 
    
 
 
@@ -37844,6 +39537,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37860,9 +39560,9 @@ name is set to the expression's class name transformed to snake case. - 
    3713class Least(Func):
-3714    arg_types = {"expressions": False}
-3715    is_var_len_args = True
+            
    3856class Least(Func):
+3857    arg_types = {"expressions": False}
+3858    is_var_len_args = True
 
    
 
 
@@ -37922,6 +39622,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -37938,8 +39645,8 @@ name is set to the expression's class name transformed to snake case. - 
    3718class Length(Func):
-3719    pass
+            
    3861class Length(Func):
+3862    pass
 
    
 
 
@@ -37999,6 +39706,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38015,14 +39729,14 @@ name is set to the expression's class name transformed to snake case. - 
    3722class Levenshtein(Func):
-3723    arg_types = {
-3724        "this": True,
-3725        "expression": False,
-3726        "ins_cost": False,
-3727        "del_cost": False,
-3728        "sub_cost": False,
-3729    }
+            
    3865class Levenshtein(Func):
+3866    arg_types = {
+3867        "this": True,
+3868        "expression": False,
+3869        "ins_cost": False,
+3870        "del_cost": False,
+3871        "sub_cost": False,
+3872    }
 
    
 
 
@@ -38082,6 +39796,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38098,8 +39819,8 @@ name is set to the expression's class name transformed to snake case. - 
    3732class Ln(Func):
-3733    pass
+            
    3875class Ln(Func):
+3876    pass
 
    
 
 
@@ -38159,6 +39880,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38175,8 +39903,8 @@ name is set to the expression's class name transformed to snake case. - 
    3736class Log(Func):
-3737    arg_types = {"this": True, "expression": False}
+            
    3879class Log(Func):
+3880    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -38236,6 +39964,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38252,8 +39987,8 @@ name is set to the expression's class name transformed to snake case. - 
    3740class Log2(Func):
-3741    pass
+            
    3883class Log2(Func):
+3884    pass
 
    
 
 
@@ -38313,6 +40048,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38329,8 +40071,8 @@ name is set to the expression's class name transformed to snake case. - 
    3744class Log10(Func):
-3745    pass
+            
    3887class Log10(Func):
+3888    pass
 
    
 
 
@@ -38390,6 +40132,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38406,8 +40155,8 @@ name is set to the expression's class name transformed to snake case. - 
    3748class LogicalOr(AggFunc):
-3749    _sql_names = ["LOGICAL_OR", "BOOL_OR", "BOOLOR_AGG"]
+            
    3891class LogicalOr(AggFunc):
+3892    _sql_names = ["LOGICAL_OR", "BOOL_OR", "BOOLOR_AGG"]
 
    
 
 
@@ -38467,6 +40216,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38483,8 +40239,8 @@ name is set to the expression's class name transformed to snake case. - 
    3752class LogicalAnd(AggFunc):
-3753    _sql_names = ["LOGICAL_AND", "BOOL_AND", "BOOLAND_AGG"]
+            
    3895class LogicalAnd(AggFunc):
+3896    _sql_names = ["LOGICAL_AND", "BOOL_AND", "BOOLAND_AGG"]
 
    
 
 
@@ -38544,6 +40300,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38560,8 +40323,8 @@ name is set to the expression's class name transformed to snake case. - 
    3756class Lower(Func):
-3757    _sql_names = ["LOWER", "LCASE"]
+            
    3899class Lower(Func):
+3900    _sql_names = ["LOWER", "LCASE"]
 
    
 
 
@@ -38621,6 +40384,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38637,8 +40407,8 @@ name is set to the expression's class name transformed to snake case. - 
    3760class Map(Func):
-3761    arg_types = {"keys": False, "values": False}
+            
    3903class Map(Func):
+3904    arg_types = {"keys": False, "values": False}
 
    
 
 
@@ -38698,6 +40468,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38714,8 +40491,8 @@ name is set to the expression's class name transformed to snake case. - 
    3764class StarMap(Func):
-3765    pass
+            
    3907class StarMap(Func):
+3908    pass
 
    
 
 
@@ -38775,6 +40552,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38791,9 +40575,9 @@ name is set to the expression's class name transformed to snake case. - 
    3768class VarMap(Func):
-3769    arg_types = {"keys": True, "values": True}
-3770    is_var_len_args = True
+            
    3911class VarMap(Func):
+3912    arg_types = {"keys": True, "values": True}
+3913    is_var_len_args = True
 
    
 
 
@@ -38853,6 +40637,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38869,8 +40660,8 @@ name is set to the expression's class name transformed to snake case. - 
    3774class MatchAgainst(Func):
-3775    arg_types = {"this": True, "expressions": True, "modifier": False}
+            
    3917class MatchAgainst(Func):
+3918    arg_types = {"this": True, "expressions": True, "modifier": False}
 
    
 
 
@@ -38930,6 +40721,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -38946,9 +40744,9 @@ name is set to the expression's class name transformed to snake case. - 
    3778class Max(AggFunc):
-3779    arg_types = {"this": True, "expressions": False}
-3780    is_var_len_args = True
+            
    3921class Max(AggFunc):
+3922    arg_types = {"this": True, "expressions": False}
+3923    is_var_len_args = True
 
    
 
 
@@ -39008,6 +40806,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39024,8 +40829,8 @@ name is set to the expression's class name transformed to snake case. - 
    3783class MD5(Func):
-3784    _sql_names = ["MD5"]
+            
    3926class MD5(Func):
+3927    _sql_names = ["MD5"]
 
    
 
 
@@ -39085,6 +40890,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39101,9 +40913,9 @@ name is set to the expression's class name transformed to snake case. - 
    3787class Min(AggFunc):
-3788    arg_types = {"this": True, "expressions": False}
-3789    is_var_len_args = True
+            
    3930class Min(AggFunc):
+3931    arg_types = {"this": True, "expressions": False}
+3932    is_var_len_args = True
 
    
 
 
@@ -39163,6 +40975,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39179,8 +40998,8 @@ name is set to the expression's class name transformed to snake case. - 
    3792class Month(Func):
-3793    pass
+            
    3935class Month(Func):
+3936    pass
 
    
 
 
@@ -39240,6 +41059,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39256,8 +41082,8 @@ name is set to the expression's class name transformed to snake case. - 
    3796class Nvl2(Func):
-3797    arg_types = {"this": True, "true": True, "false": False}
+            
    3939class Nvl2(Func):
+3940    arg_types = {"this": True, "true": True, "false": False}
 
    
 
 
@@ -39317,6 +41143,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39333,8 +41166,8 @@ name is set to the expression's class name transformed to snake case. - 
    3800class Posexplode(Func):
-3801    pass
+            
    3943class Posexplode(Func):
+3944    pass
 
    
 
 
@@ -39394,6 +41227,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39410,8 +41250,8 @@ name is set to the expression's class name transformed to snake case. - 
    3804class Pow(Binary, Func):
-3805    _sql_names = ["POWER", "POW"]
+            
    3947class Pow(Binary, Func):
+3948    _sql_names = ["POWER", "POW"]
 
    
 
 
@@ -39471,6 +41311,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39487,8 +41334,8 @@ name is set to the expression's class name transformed to snake case. - 
    3808class PercentileCont(AggFunc):
-3809    pass
+            
    3951class PercentileCont(AggFunc):
+3952    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -39548,6 +41395,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39564,8 +41418,8 @@ name is set to the expression's class name transformed to snake case. - 
    3812class PercentileDisc(AggFunc):
-3813    pass
+            
    3955class PercentileDisc(AggFunc):
+3956    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -39625,6 +41479,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39641,8 +41502,8 @@ name is set to the expression's class name transformed to snake case. - 
    3816class Quantile(AggFunc):
-3817    arg_types = {"this": True, "quantile": True}
+            
    3959class Quantile(AggFunc):
+3960    arg_types = {"this": True, "quantile": True}
 
    
 
 
@@ -39702,6 +41563,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39718,9 +41586,9 @@ name is set to the expression's class name transformed to snake case. - 
    3822class Quantiles(AggFunc):
-3823    arg_types = {"parameters": True, "expressions": True}
-3824    is_var_len_args = True
+            
    3965class Quantiles(AggFunc):
+3966    arg_types = {"parameters": True, "expressions": True}
+3967    is_var_len_args = True
 
    
 
 
@@ -39780,6 +41648,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
    between
    
+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39796,8 +41671,8 @@ name is set to the expression's class name transformed to snake case. - 
    3827class QuantileIf(AggFunc):
-3828    arg_types = {"parameters": True, "expressions": True}
+            
    3970class QuantileIf(AggFunc):
+3971    arg_types = {"parameters": True, "expressions": True}
 
    
 
 
@@ -39857,6 +41732,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39873,8 +41755,8 @@ name is set to the expression's class name transformed to snake case. - 
    3831class ApproxQuantile(Quantile):
-3832    arg_types = {"this": True, "quantile": True, "accuracy": False, "weight": False}
+            
    3974class ApproxQuantile(Quantile):
+3975    arg_types = {"this": True, "quantile": True, "accuracy": False, "weight": False}
 
    
 
 
@@ -39934,6 +41816,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -39950,8 +41839,8 @@ name is set to the expression's class name transformed to snake case. - 
    3835class RangeN(Func):
-3836    arg_types = {"this": True, "expressions": True, "each": False}
+            
    3978class RangeN(Func):
+3979    arg_types = {"this": True, "expressions": True, "each": False}
 
    
 
 
@@ -40011,6 +41900,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40027,10 +41923,10 @@ name is set to the expression's class name transformed to snake case. - 
    3839class ReadCSV(Func):
-3840    _sql_names = ["READ_CSV"]
-3841    is_var_len_args = True
-3842    arg_types = {"this": True, "expressions": False}
+            
    3982class ReadCSV(Func):
+3983    _sql_names = ["READ_CSV"]
+3984    is_var_len_args = True
+3985    arg_types = {"this": True, "expressions": False}
 
    
 
 
@@ -40090,6 +41986,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40106,8 +42009,8 @@ name is set to the expression's class name transformed to snake case. - 
    3845class Reduce(Func):
-3846    arg_types = {"this": True, "initial": True, "merge": True, "finish": False}
+            
    3988class Reduce(Func):
+3989    arg_types = {"this": True, "initial": True, "merge": True, "finish": False}
 
    
 
 
@@ -40167,6 +42070,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40183,14 +42093,14 @@ name is set to the expression's class name transformed to snake case. - 
    3849class RegexpExtract(Func):
-3850    arg_types = {
-3851        "this": True,
-3852        "expression": True,
-3853        "position": False,
-3854        "occurrence": False,
-3855        "group": False,
-3856    }
+            
    3992class RegexpExtract(Func):
+3993    arg_types = {
+3994        "this": True,
+3995        "expression": True,
+3996        "position": False,
+3997        "occurrence": False,
+3998        "group": False,
+3999    }
 
    
 
 
@@ -40250,6 +42160,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40266,8 +42183,8 @@ name is set to the expression's class name transformed to snake case. - 
    3859class RegexpLike(Func):
-3860    arg_types = {"this": True, "expression": True, "flag": False}
+            
    4002class RegexpLike(Func):
+4003    arg_types = {"this": True, "expression": True, "flag": False}
 
    
 
 
@@ -40327,6 +42244,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40343,8 +42267,8 @@ name is set to the expression's class name transformed to snake case. - 
    3863class RegexpILike(Func):
-3864    arg_types = {"this": True, "expression": True, "flag": False}
+            
    4006class RegexpILike(Func):
+4007    arg_types = {"this": True, "expression": True, "flag": False}
 
    
 
 
@@ -40404,6 +42328,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40420,8 +42351,8 @@ name is set to the expression's class name transformed to snake case. - 
    3869class RegexpSplit(Func):
-3870    arg_types = {"this": True, "expression": True, "limit": False}
+            
    4012class RegexpSplit(Func):
+4013    arg_types = {"this": True, "expression": True, "limit": False}
 
    
 
 
@@ -40481,6 +42412,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40497,8 +42435,8 @@ name is set to the expression's class name transformed to snake case. - 
    3873class Repeat(Func):
-3874    arg_types = {"this": True, "times": True}
+            
    4016class Repeat(Func):
+4017    arg_types = {"this": True, "times": True}
 
    
 
 
@@ -40558,6 +42496,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40574,8 +42519,8 @@ name is set to the expression's class name transformed to snake case. - 
    3877class Round(Func):
-3878    arg_types = {"this": True, "decimals": False}
+            
    4020class Round(Func):
+4021    arg_types = {"this": True, "decimals": False}
 
    
 
 
@@ -40635,6 +42580,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40651,8 +42603,8 @@ name is set to the expression's class name transformed to snake case. - 
    3881class RowNumber(Func):
-3882    arg_types: t.Dict[str, t.Any] = {}
+            
    4024class RowNumber(Func):
+4025    arg_types: t.Dict[str, t.Any] = {}
 
    
 
 
@@ -40712,6 +42664,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40728,8 +42687,8 @@ name is set to the expression's class name transformed to snake case. - 
    3885class SafeDivide(Func):
-3886    arg_types = {"this": True, "expression": True}
+            
    4028class SafeDivide(Func):
+4029    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -40789,6 +42748,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
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+                
    neq
    
+                
    rlike
    @@ -40805,8 +42771,8 @@ name is set to the expression's class name transformed to snake case. - 
    3889class SetAgg(AggFunc):
-3890    pass
+            
    4032class SetAgg(AggFunc):
+4033    pass
 
    
 
 
@@ -40866,6 +42832,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -40882,8 +42855,8 @@ name is set to the expression's class name transformed to snake case. - 
    3893class SHA(Func):
-3894    _sql_names = ["SHA", "SHA1"]
+            
    4036class SHA(Func):
+4037    _sql_names = ["SHA", "SHA1"]
 
    
 
 
@@ -40943,6 +42916,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
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+                
    neq
    
+                
    rlike
    @@ -40959,9 +42939,9 @@ name is set to the expression's class name transformed to snake case. - 
    3897class SHA2(Func):
-3898    _sql_names = ["SHA2"]
-3899    arg_types = {"this": True, "length": False}
+            
    4040class SHA2(Func):
+4041    _sql_names = ["SHA2"]
+4042    arg_types = {"this": True, "length": False}
 
    
 
 
@@ -41021,6 +43001,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
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+                
    neq
    
+                
    rlike
    @@ -41037,8 +43024,8 @@ name is set to the expression's class name transformed to snake case. - 
    3902class SortArray(Func):
-3903    arg_types = {"this": True, "asc": False}
+            
    4045class SortArray(Func):
+4046    arg_types = {"this": True, "asc": False}
 
    
 
 
@@ -41098,6 +43085,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
    between
    
+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -41114,8 +43108,8 @@ name is set to the expression's class name transformed to snake case. - 
    3906class Split(Func):
-3907    arg_types = {"this": True, "expression": True, "limit": False}
+            
    4049class Split(Func):
+4050    arg_types = {"this": True, "expression": True, "limit": False}
 
    
 
 
@@ -41175,6 +43169,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
    between
    
+                
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+                
    ilike
    
+                
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+                
    neq
    
+                
    rlike
    @@ -41191,8 +43192,8 @@ name is set to the expression's class name transformed to snake case. - 
    3912class Substring(Func):
-3913    arg_types = {"this": True, "start": False, "length": False}
+            
    4055class Substring(Func):
+4056    arg_types = {"this": True, "start": False, "length": False}
 
    
 
 
@@ -41252,6 +43253,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -41268,13 +43276,13 @@ name is set to the expression's class name transformed to snake case. - 
    3916class StrPosition(Func):
-3917    arg_types = {
-3918        "this": True,
-3919        "substr": True,
-3920        "position": False,
-3921        "instance": False,
-3922    }
+            
    4059class StrPosition(Func):
+4060    arg_types = {
+4061        "this": True,
+4062        "substr": True,
+4063        "position": False,
+4064        "instance": False,
+4065    }
 
    
 
 
@@ -41334,6 +43342,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -41350,8 +43365,8 @@ name is set to the expression's class name transformed to snake case. - 
    3925class StrToDate(Func):
-3926    arg_types = {"this": True, "format": True}
+            
    4068class StrToDate(Func):
+4069    arg_types = {"this": True, "format": True}
 
    
 
 
@@ -41411,6 +43426,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -41427,8 +43449,8 @@ name is set to the expression's class name transformed to snake case. - 
    3929class StrToTime(Func):
-3930    arg_types = {"this": True, "format": True}
+            
    4072class StrToTime(Func):
+4073    arg_types = {"this": True, "format": True}
 
    
 
 
@@ -41488,6 +43510,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
    between
    
+                
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+                
    ilike
    
+                
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+                
    neq
    
+                
    rlike
    @@ -41504,8 +43533,8 @@ name is set to the expression's class name transformed to snake case. - 
    3935class StrToUnix(Func):
-3936    arg_types = {"this": False, "format": False}
+            
    4078class StrToUnix(Func):
+4079    arg_types = {"this": False, "format": False}
 
    
 
 
@@ -41565,6 +43594,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
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+                
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+                
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+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -41581,8 +43617,8 @@ name is set to the expression's class name transformed to snake case. - 
    3939class NumberToStr(Func):
-3940    arg_types = {"this": True, "format": True}
+            
    4082class NumberToStr(Func):
+4083    arg_types = {"this": True, "format": True}
 
    
 
 
@@ -41642,6 +43678,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
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+                
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+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -41658,9 +43701,9 @@ name is set to the expression's class name transformed to snake case. - 
    3943class Struct(Func):
-3944    arg_types = {"expressions": True}
-3945    is_var_len_args = True
+            
    4086class Struct(Func):
+4087    arg_types = {"expressions": True}
+4088    is_var_len_args = True
 
    
 
 
@@ -41720,6 +43763,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
    between
    
+                
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+                
    ilike
    
+                
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+                
    neq
    
+                
    rlike
    @@ -41736,8 +43786,8 @@ name is set to the expression's class name transformed to snake case. - 
    3948class StructExtract(Func):
-3949    arg_types = {"this": True, "expression": True}
+            
    4091class StructExtract(Func):
+4092    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -41797,6 +43847,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
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+                
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+                
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+                
    ilike
    
+                
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+                
    neq
    
+                
    rlike
    @@ -41813,8 +43870,8 @@ name is set to the expression's class name transformed to snake case. - 
    3952class Sum(AggFunc):
-3953    pass
+            
    4095class Sum(AggFunc):
+4096    pass
 
    
 
 
@@ -41874,6 +43931,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -41890,8 +43954,8 @@ name is set to the expression's class name transformed to snake case. - 
    3956class Sqrt(Func):
-3957    pass
+            
    4099class Sqrt(Func):
+4100    pass
 
    
 
 
@@ -41951,6 +44015,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -41967,8 +44038,8 @@ name is set to the expression's class name transformed to snake case. - 
    3960class Stddev(AggFunc):
-3961    pass
+            
    4103class Stddev(AggFunc):
+4104    pass
 
    
 
 
@@ -42028,6 +44099,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42044,8 +44122,8 @@ name is set to the expression's class name transformed to snake case. - 
    3964class StddevPop(AggFunc):
-3965    pass
+            
    4107class StddevPop(AggFunc):
+4108    pass
 
    
 
 
@@ -42105,6 +44183,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42121,8 +44206,8 @@ name is set to the expression's class name transformed to snake case. - 
    3968class StddevSamp(AggFunc):
-3969    pass
+            
    4111class StddevSamp(AggFunc):
+4112    pass
 
    
 
 
@@ -42182,6 +44267,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42198,8 +44290,8 @@ name is set to the expression's class name transformed to snake case. - 
    3972class TimeToStr(Func):
-3973    arg_types = {"this": True, "format": True}
+            
    4115class TimeToStr(Func):
+4116    arg_types = {"this": True, "format": True}
 
    
 
 
@@ -42259,6 +44351,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42275,8 +44374,8 @@ name is set to the expression's class name transformed to snake case. - 
    3976class TimeToTimeStr(Func):
-3977    pass
+            
    4119class TimeToTimeStr(Func):
+4120    pass
 
    
 
 
@@ -42336,6 +44435,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42352,8 +44458,8 @@ name is set to the expression's class name transformed to snake case. - 
    3980class TimeToUnix(Func):
-3981    pass
+            
    4123class TimeToUnix(Func):
+4124    pass
 
    
 
 
@@ -42413,6 +44519,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42429,8 +44542,8 @@ name is set to the expression's class name transformed to snake case. - 
    3984class TimeStrToDate(Func):
-3985    pass
+            
    4127class TimeStrToDate(Func):
+4128    pass
 
    
 
 
@@ -42490,6 +44603,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42506,8 +44626,8 @@ name is set to the expression's class name transformed to snake case. - 
    3988class TimeStrToTime(Func):
-3989    pass
+            
    4131class TimeStrToTime(Func):
+4132    pass
 
    
 
 
@@ -42567,6 +44687,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42583,8 +44710,8 @@ name is set to the expression's class name transformed to snake case. - 
    3992class TimeStrToUnix(Func):
-3993    pass
+            
    4135class TimeStrToUnix(Func):
+4136    pass
 
    
 
 
@@ -42644,6 +44771,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42660,13 +44794,13 @@ name is set to the expression's class name transformed to snake case. - 
    3996class Trim(Func):
-3997    arg_types = {
-3998        "this": True,
-3999        "expression": False,
-4000        "position": False,
-4001        "collation": False,
-4002    }
+            
    4139class Trim(Func):
+4140    arg_types = {
+4141        "this": True,
+4142        "expression": False,
+4143        "position": False,
+4144        "collation": False,
+4145    }
 
    
 
 
@@ -42726,6 +44860,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42742,8 +44883,8 @@ name is set to the expression's class name transformed to snake case. - 
    4005class TsOrDsAdd(Func, TimeUnit):
-4006    arg_types = {"this": True, "expression": True, "unit": False}
+            
    4148class TsOrDsAdd(Func, TimeUnit):
+4149    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -42767,6 +44908,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    Expression
    @@ -42822,8 +44970,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    4009class TsOrDsToDateStr(Func):
-4010    pass
+            
    4152class TsOrDsToDateStr(Func):
+4153    pass
 
    
 
 
@@ -42883,6 +45031,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42899,8 +45054,8 @@ name is set to the expression's class name transformed to snake case. - 
    4013class TsOrDsToDate(Func):
-4014    arg_types = {"this": True, "format": False}
+            
    4156class TsOrDsToDate(Func):
+4157    arg_types = {"this": True, "format": False}
 
    
 
 
@@ -42960,6 +45115,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -42976,8 +45138,8 @@ name is set to the expression's class name transformed to snake case. - 
    4017class TsOrDiToDi(Func):
-4018    pass
+            
    4160class TsOrDiToDi(Func):
+4161    pass
 
    
 
 
@@ -43037,6 +45199,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43053,8 +45222,8 @@ name is set to the expression's class name transformed to snake case. - 
    4021class Unhex(Func):
-4022    pass
+            
    4164class Unhex(Func):
+4165    pass
 
    
 
 
@@ -43114,6 +45283,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43130,8 +45306,8 @@ name is set to the expression's class name transformed to snake case. - 
    4025class UnixToStr(Func):
-4026    arg_types = {"this": True, "format": False}
+            
    4168class UnixToStr(Func):
+4169    arg_types = {"this": True, "format": False}
 
    
 
 
@@ -43191,6 +45367,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43207,12 +45390,12 @@ name is set to the expression's class name transformed to snake case. - 
    4031class UnixToTime(Func):
-4032    arg_types = {"this": True, "scale": False, "zone": False, "hours": False, "minutes": False}
-4033
-4034    SECONDS = Literal.string("seconds")
-4035    MILLIS = Literal.string("millis")
-4036    MICROS = Literal.string("micros")
+            
    4174class UnixToTime(Func):
+4175    arg_types = {"this": True, "scale": False, "zone": False, "hours": False, "minutes": False}
+4176
+4177    SECONDS = Literal.string("seconds")
+4178    MILLIS = Literal.string("millis")
+4179    MICROS = Literal.string("micros")
 
    
 
 
@@ -43272,6 +45455,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43288,8 +45478,8 @@ name is set to the expression's class name transformed to snake case. - 
    4039class UnixToTimeStr(Func):
-4040    pass
+            
    4182class UnixToTimeStr(Func):
+4183    pass
 
    
 
 
@@ -43349,6 +45539,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43365,8 +45562,8 @@ name is set to the expression's class name transformed to snake case. - 
    4043class Upper(Func):
-4044    _sql_names = ["UPPER", "UCASE"]
+            
    4186class Upper(Func):
+4187    _sql_names = ["UPPER", "UCASE"]
 
    
 
 
@@ -43426,6 +45623,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43442,8 +45646,8 @@ name is set to the expression's class name transformed to snake case. - 
    4047class Variance(AggFunc):
-4048    _sql_names = ["VARIANCE", "VARIANCE_SAMP", "VAR_SAMP"]
+            
    4190class Variance(AggFunc):
+4191    _sql_names = ["VARIANCE", "VARIANCE_SAMP", "VAR_SAMP"]
 
    
 
 
@@ -43503,6 +45707,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43519,8 +45730,8 @@ name is set to the expression's class name transformed to snake case. - 
    4051class VariancePop(AggFunc):
-4052    _sql_names = ["VARIANCE_POP", "VAR_POP"]
+            
    4194class VariancePop(AggFunc):
+4195    _sql_names = ["VARIANCE_POP", "VAR_POP"]
 
    
 
 
@@ -43580,6 +45791,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43596,8 +45814,8 @@ name is set to the expression's class name transformed to snake case. - 
    4055class Week(Func):
-4056    arg_types = {"this": True, "mode": False}
+            
    4198class Week(Func):
+4199    arg_types = {"this": True, "mode": False}
 
    
 
 
@@ -43657,6 +45875,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43673,8 +45898,8 @@ name is set to the expression's class name transformed to snake case. - 
    4059class XMLTable(Func):
-4060    arg_types = {"this": True, "passing": False, "columns": False, "by_ref": False}
+            
    4202class XMLTable(Func):
+4203    arg_types = {"this": True, "passing": False, "columns": False, "by_ref": False}
 
    
 
 
@@ -43734,6 +45959,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43750,8 +45982,8 @@ name is set to the expression's class name transformed to snake case. - 
    4063class Year(Func):
-4064    pass
+            
    4206class Year(Func):
+4207    pass
 
    
 
 
@@ -43811,6 +46043,13 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    @@ -43827,8 +46066,8 @@ name is set to the expression's class name transformed to snake case. - 
    4067class Use(Expression):
-4068    arg_types = {"this": True, "kind": False}
+            
    4210class Use(Expression):
+4211    arg_types = {"this": True, "kind": False}
 
    
 
 
@@ -43891,8 +46130,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    4071class Merge(Expression):
-4072    arg_types = {"this": True, "using": True, "on": True, "expressions": True}
+            
    4214class Merge(Expression):
+4215    arg_types = {"this": True, "using": True, "on": True, "expressions": True}
 
    
 
 
@@ -43955,8 +46194,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    4075class When(Func):
-4076    arg_types = {"matched": True, "source": False, "condition": False, "then": True}
+            
    4218class When(Func):
+4219    arg_types = {"matched": True, "source": False, "condition": False, "then": True}
 
    
 
 
@@ -44016,6 +46255,97 @@ name is set to the expression's class name transformed to snake case.
                                 
    and_
    
                 
    or_
    
                 
    not_
    
+                
    isin
    
+                
    between
    
+                
    like
    
+                
    ilike
    
+                
    eq
    
+                
    neq
    
+                
    rlike
    
+
+
    + + + +
    + +
    + + class + NextValueFor(Func): + + + +
    + + 
    4224class NextValueFor(Func):
+4225    arg_types = {"this": True, "order": False}
+
    + + + + +
    +
    Inherited Members
    +
    + + +
    @@ -44032,48 +46362,48 @@ name is set to the expression's class name transformed to snake case.
    - 
    4113def maybe_parse(
-4114    sql_or_expression: ExpOrStr,
-4115    *,
-4116    into: t.Optional[IntoType] = None,
-4117    dialect: DialectType = None,
-4118    prefix: t.Optional[str] = None,
-4119    copy: bool = False,
-4120    **opts,
-4121) -> Expression:
-4122    """Gracefully handle a possible string or expression.
-4123
-4124    Example:
-4125        >>> maybe_parse("1")
-4126        (LITERAL this: 1, is_string: False)
-4127        >>> maybe_parse(to_identifier("x"))
-4128        (IDENTIFIER this: x, quoted: False)
-4129
-4130    Args:
-4131        sql_or_expression: the SQL code string or an expression
-4132        into: the SQLGlot Expression to parse into
-4133        dialect: the dialect used to parse the input expressions (in the case that an
-4134            input expression is a SQL string).
-4135        prefix: a string to prefix the sql with before it gets parsed
-4136            (automatically includes a space)
-4137        copy: whether or not to copy the expression.
-4138        **opts: other options to use to parse the input expressions (again, in the case
-4139            that an input expression is a SQL string).
-4140
-4141    Returns:
-4142        Expression: the parsed or given expression.
-4143    """
-4144    if isinstance(sql_or_expression, Expression):
-4145        if copy:
-4146            return sql_or_expression.copy()
-4147        return sql_or_expression
-4148
-4149    import sqlglot
-4150
-4151    sql = str(sql_or_expression)
-4152    if prefix:
-4153        sql = f"{prefix} {sql}"
-4154    return sqlglot.parse_one(sql, read=dialect, into=into, **opts)
+            
    4262def maybe_parse(
+4263    sql_or_expression: ExpOrStr,
+4264    *,
+4265    into: t.Optional[IntoType] = None,
+4266    dialect: DialectType = None,
+4267    prefix: t.Optional[str] = None,
+4268    copy: bool = False,
+4269    **opts,
+4270) -> Expression:
+4271    """Gracefully handle a possible string or expression.
+4272
+4273    Example:
+4274        >>> maybe_parse("1")
+4275        (LITERAL this: 1, is_string: False)
+4276        >>> maybe_parse(to_identifier("x"))
+4277        (IDENTIFIER this: x, quoted: False)
+4278
+4279    Args:
+4280        sql_or_expression: the SQL code string or an expression
+4281        into: the SQLGlot Expression to parse into
+4282        dialect: the dialect used to parse the input expressions (in the case that an
+4283            input expression is a SQL string).
+4284        prefix: a string to prefix the sql with before it gets parsed
+4285            (automatically includes a space)
+4286        copy: whether or not to copy the expression.
+4287        **opts: other options to use to parse the input expressions (again, in the case
+4288            that an input expression is a SQL string).
+4289
+4290    Returns:
+4291        Expression: the parsed or given expression.
+4292    """
+4293    if isinstance(sql_or_expression, Expression):
+4294        if copy:
+4295            return sql_or_expression.copy()
+4296        return sql_or_expression
+4297
+4298    import sqlglot
+4299
+4300    sql = str(sql_or_expression)
+4301    if prefix:
+4302        sql = f"{prefix} {sql}"
+4303    return sqlglot.parse_one(sql, read=dialect, into=into, **opts)
 
    
 
 
@@ -44125,29 +46455,29 @@ that an input expression is a SQL string).
    - 
    4300def union(left, right, distinct=True, dialect=None, **opts):
-4301    """
-4302    Initializes a syntax tree from one UNION expression.
-4303
-4304    Example:
-4305        >>> union("SELECT * FROM foo", "SELECT * FROM bla").sql()
-4306        'SELECT * FROM foo UNION SELECT * FROM bla'
-4307
-4308    Args:
-4309        left (str | Expression): the SQL code string corresponding to the left-hand side.
-4310            If an `Expression` instance is passed, it will be used as-is.
-4311        right (str | Expression): the SQL code string corresponding to the right-hand side.
-4312            If an `Expression` instance is passed, it will be used as-is.
-4313        distinct (bool): set the DISTINCT flag if and only if this is true.
-4314        dialect (str): the dialect used to parse the input expression.
-4315        opts (kwargs): other options to use to parse the input expressions.
-4316    Returns:
-4317        Union: the syntax tree for the UNION expression.
-4318    """
-4319    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
-4320    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
-4321
-4322    return Union(this=left, expression=right, distinct=distinct)
+            
    4451def union(left, right, distinct=True, dialect=None, **opts):
+4452    """
+4453    Initializes a syntax tree from one UNION expression.
+4454
+4455    Example:
+4456        >>> union("SELECT * FROM foo", "SELECT * FROM bla").sql()
+4457        'SELECT * FROM foo UNION SELECT * FROM bla'
+4458
+4459    Args:
+4460        left (str | Expression): the SQL code string corresponding to the left-hand side.
+4461            If an `Expression` instance is passed, it will be used as-is.
+4462        right (str | Expression): the SQL code string corresponding to the right-hand side.
+4463            If an `Expression` instance is passed, it will be used as-is.
+4464        distinct (bool): set the DISTINCT flag if and only if this is true.
+4465        dialect (str): the dialect used to parse the input expression.
+4466        opts (kwargs): other options to use to parse the input expressions.
+4467    Returns:
+4468        Union: the syntax tree for the UNION expression.
+4469    """
+4470    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
+4471    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
+4472
+4473    return Union(this=left, expression=right, distinct=distinct)
 
    
 
 
@@ -44195,29 +46525,29 @@ If an Expression instance is passed, it w
    - 
    4325def intersect(left, right, distinct=True, dialect=None, **opts):
-4326    """
-4327    Initializes a syntax tree from one INTERSECT expression.
-4328
-4329    Example:
-4330        >>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql()
-4331        'SELECT * FROM foo INTERSECT SELECT * FROM bla'
-4332
-4333    Args:
-4334        left (str | Expression): the SQL code string corresponding to the left-hand side.
-4335            If an `Expression` instance is passed, it will be used as-is.
-4336        right (str | Expression): the SQL code string corresponding to the right-hand side.
-4337            If an `Expression` instance is passed, it will be used as-is.
-4338        distinct (bool): set the DISTINCT flag if and only if this is true.
-4339        dialect (str): the dialect used to parse the input expression.
-4340        opts (kwargs): other options to use to parse the input expressions.
-4341    Returns:
-4342        Intersect: the syntax tree for the INTERSECT expression.
-4343    """
-4344    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
-4345    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
-4346
-4347    return Intersect(this=left, expression=right, distinct=distinct)
+            
    4476def intersect(left, right, distinct=True, dialect=None, **opts):
+4477    """
+4478    Initializes a syntax tree from one INTERSECT expression.
+4479
+4480    Example:
+4481        >>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql()
+4482        'SELECT * FROM foo INTERSECT SELECT * FROM bla'
+4483
+4484    Args:
+4485        left (str | Expression): the SQL code string corresponding to the left-hand side.
+4486            If an `Expression` instance is passed, it will be used as-is.
+4487        right (str | Expression): the SQL code string corresponding to the right-hand side.
+4488            If an `Expression` instance is passed, it will be used as-is.
+4489        distinct (bool): set the DISTINCT flag if and only if this is true.
+4490        dialect (str): the dialect used to parse the input expression.
+4491        opts (kwargs): other options to use to parse the input expressions.
+4492    Returns:
+4493        Intersect: the syntax tree for the INTERSECT expression.
+4494    """
+4495    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
+4496    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
+4497
+4498    return Intersect(this=left, expression=right, distinct=distinct)
 
    
 
 
@@ -44265,29 +46595,29 @@ If an Expression instance is passed, it w
    - 
    4350def except_(left, right, distinct=True, dialect=None, **opts):
-4351    """
-4352    Initializes a syntax tree from one EXCEPT expression.
-4353
-4354    Example:
-4355        >>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql()
-4356        'SELECT * FROM foo EXCEPT SELECT * FROM bla'
-4357
-4358    Args:
-4359        left (str | Expression): the SQL code string corresponding to the left-hand side.
-4360            If an `Expression` instance is passed, it will be used as-is.
-4361        right (str | Expression): the SQL code string corresponding to the right-hand side.
-4362            If an `Expression` instance is passed, it will be used as-is.
-4363        distinct (bool): set the DISTINCT flag if and only if this is true.
-4364        dialect (str): the dialect used to parse the input expression.
-4365        opts (kwargs): other options to use to parse the input expressions.
-4366    Returns:
-4367        Except: the syntax tree for the EXCEPT statement.
-4368    """
-4369    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
-4370    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
-4371
-4372    return Except(this=left, expression=right, distinct=distinct)
+            
    4501def except_(left, right, distinct=True, dialect=None, **opts):
+4502    """
+4503    Initializes a syntax tree from one EXCEPT expression.
+4504
+4505    Example:
+4506        >>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql()
+4507        'SELECT * FROM foo EXCEPT SELECT * FROM bla'
+4508
+4509    Args:
+4510        left (str | Expression): the SQL code string corresponding to the left-hand side.
+4511            If an `Expression` instance is passed, it will be used as-is.
+4512        right (str | Expression): the SQL code string corresponding to the right-hand side.
+4513            If an `Expression` instance is passed, it will be used as-is.
+4514        distinct (bool): set the DISTINCT flag if and only if this is true.
+4515        dialect (str): the dialect used to parse the input expression.
+4516        opts (kwargs): other options to use to parse the input expressions.
+4517    Returns:
+4518        Except: the syntax tree for the EXCEPT statement.
+4519    """
+4520    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
+4521    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
+4522
+4523    return Except(this=left, expression=right, distinct=distinct)
 
    
 
 
@@ -44335,26 +46665,26 @@ If an Expression instance is passed, it w
    - 
    4375def select(*expressions: ExpOrStr, dialect: DialectType = None, **opts) -> Select:
-4376    """
-4377    Initializes a syntax tree from one or multiple SELECT expressions.
-4378
-4379    Example:
-4380        >>> select("col1", "col2").from_("tbl").sql()
-4381        'SELECT col1, col2 FROM tbl'
-4382
-4383    Args:
-4384        *expressions: the SQL code string to parse as the expressions of a
-4385            SELECT statement. If an Expression instance is passed, this is used as-is.
-4386        dialect: the dialect used to parse the input expressions (in the case that an
-4387            input expression is a SQL string).
-4388        **opts: other options to use to parse the input expressions (again, in the case
-4389            that an input expression is a SQL string).
-4390
-4391    Returns:
-4392        Select: the syntax tree for the SELECT statement.
-4393    """
-4394    return Select().select(*expressions, dialect=dialect, **opts)
+            
    4526def select(*expressions: ExpOrStr, dialect: DialectType = None, **opts) -> Select:
+4527    """
+4528    Initializes a syntax tree from one or multiple SELECT expressions.
+4529
+4530    Example:
+4531        >>> select("col1", "col2").from_("tbl").sql()
+4532        'SELECT col1, col2 FROM tbl'
+4533
+4534    Args:
+4535        *expressions: the SQL code string to parse as the expressions of a
+4536            SELECT statement. If an Expression instance is passed, this is used as-is.
+4537        dialect: the dialect used to parse the input expressions (in the case that an
+4538            input expression is a SQL string).
+4539        **opts: other options to use to parse the input expressions (again, in the case
+4540            that an input expression is a SQL string).
+4541
+4542    Returns:
+4543        Select: the syntax tree for the SELECT statement.
+4544    """
+4545    return Select().select(*expressions, dialect=dialect, **opts)
 
    
 
 
@@ -44401,26 +46731,26 @@ that an input expression is a SQL string).
    - 
    4397def from_(*expressions, dialect=None, **opts) -> Select:
-4398    """
-4399    Initializes a syntax tree from a FROM expression.
-4400
-4401    Example:
-4402        >>> from_("tbl").select("col1", "col2").sql()
-4403        'SELECT col1, col2 FROM tbl'
-4404
-4405    Args:
-4406        *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a
-4407            SELECT statement. If an Expression instance is passed, this is used as-is.
-4408        dialect (str): the dialect used to parse the input expression (in the case that the
-4409            input expression is a SQL string).
-4410        **opts: other options to use to parse the input expressions (again, in the case
-4411            that the input expression is a SQL string).
-4412
-4413    Returns:
-4414        Select: the syntax tree for the SELECT statement.
-4415    """
-4416    return Select().from_(*expressions, dialect=dialect, **opts)
+            
    4548def from_(*expressions, dialect=None, **opts) -> Select:
+4549    """
+4550    Initializes a syntax tree from a FROM expression.
+4551
+4552    Example:
+4553        >>> from_("tbl").select("col1", "col2").sql()
+4554        'SELECT col1, col2 FROM tbl'
+4555
+4556    Args:
+4557        *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a
+4558            SELECT statement. If an Expression instance is passed, this is used as-is.
+4559        dialect (str): the dialect used to parse the input expression (in the case that the
+4560            input expression is a SQL string).
+4561        **opts: other options to use to parse the input expressions (again, in the case
+4562            that the input expression is a SQL string).
+4563
+4564    Returns:
+4565        Select: the syntax tree for the SELECT statement.
+4566    """
+4567    return Select().from_(*expressions, dialect=dialect, **opts)
 
    
 
 
@@ -44467,53 +46797,53 @@ that the input expression is a SQL string).
    - 
    4419def update(
-4420    table: str | Table,
-4421    properties: dict,
-4422    where: t.Optional[ExpOrStr] = None,
-4423    from_: t.Optional[ExpOrStr] = None,
-4424    dialect: DialectType = None,
-4425    **opts,
-4426) -> Update:
-4427    """
-4428    Creates an update statement.
-4429
-4430    Example:
-4431        >>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql()
-4432        "UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1"
-4433
-4434    Args:
-4435        *properties: dictionary of properties to set which are
-4436            auto converted to sql objects eg None -> NULL
-4437        where: sql conditional parsed into a WHERE statement
-4438        from_: sql statement parsed into a FROM statement
-4439        dialect: the dialect used to parse the input expressions.
-4440        **opts: other options to use to parse the input expressions.
-4441
-4442    Returns:
-4443        Update: the syntax tree for the UPDATE statement.
-4444    """
-4445    update_expr = Update(this=maybe_parse(table, into=Table, dialect=dialect))
-4446    update_expr.set(
-4447        "expressions",
-4448        [
-4449            EQ(this=maybe_parse(k, dialect=dialect, **opts), expression=convert(v))
-4450            for k, v in properties.items()
-4451        ],
-4452    )
-4453    if from_:
-4454        update_expr.set(
-4455            "from",
-4456            maybe_parse(from_, into=From, dialect=dialect, prefix="FROM", **opts),
-4457        )
-4458    if isinstance(where, Condition):
-4459        where = Where(this=where)
-4460    if where:
-4461        update_expr.set(
-4462            "where",
-4463            maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts),
-4464        )
-4465    return update_expr
+            
    4570def update(
+4571    table: str | Table,
+4572    properties: dict,
+4573    where: t.Optional[ExpOrStr] = None,
+4574    from_: t.Optional[ExpOrStr] = None,
+4575    dialect: DialectType = None,
+4576    **opts,
+4577) -> Update:
+4578    """
+4579    Creates an update statement.
+4580
+4581    Example:
+4582        >>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql()
+4583        "UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1"
+4584
+4585    Args:
+4586        *properties: dictionary of properties to set which are
+4587            auto converted to sql objects eg None -> NULL
+4588        where: sql conditional parsed into a WHERE statement
+4589        from_: sql statement parsed into a FROM statement
+4590        dialect: the dialect used to parse the input expressions.
+4591        **opts: other options to use to parse the input expressions.
+4592
+4593    Returns:
+4594        Update: the syntax tree for the UPDATE statement.
+4595    """
+4596    update_expr = Update(this=maybe_parse(table, into=Table, dialect=dialect))
+4597    update_expr.set(
+4598        "expressions",
+4599        [
+4600            EQ(this=maybe_parse(k, dialect=dialect, **opts), expression=convert(v))
+4601            for k, v in properties.items()
+4602        ],
+4603    )
+4604    if from_:
+4605        update_expr.set(
+4606            "from",
+4607            maybe_parse(from_, into=From, dialect=dialect, prefix="FROM", **opts),
+4608        )
+4609    if isinstance(where, Condition):
+4610        where = Where(this=where)
+4611    if where:
+4612        update_expr.set(
+4613            "where",
+4614            maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts),
+4615        )
+4616    return update_expr
 
    
 
 
@@ -44560,35 +46890,35 @@ auto converted to sql objects eg None -> NULL
    - 
    4468def delete(
-4469    table: ExpOrStr,
-4470    where: t.Optional[ExpOrStr] = None,
-4471    returning: t.Optional[ExpOrStr] = None,
-4472    dialect: DialectType = None,
-4473    **opts,
-4474) -> Delete:
-4475    """
-4476    Builds a delete statement.
-4477
-4478    Example:
-4479        >>> delete("my_table", where="id > 1").sql()
-4480        'DELETE FROM my_table WHERE id > 1'
-4481
-4482    Args:
-4483        where: sql conditional parsed into a WHERE statement
-4484        returning: sql conditional parsed into a RETURNING statement
-4485        dialect: the dialect used to parse the input expressions.
-4486        **opts: other options to use to parse the input expressions.
-4487
-4488    Returns:
-4489        Delete: the syntax tree for the DELETE statement.
-4490    """
-4491    delete_expr = Delete().delete(table, dialect=dialect, copy=False, **opts)
-4492    if where:
-4493        delete_expr = delete_expr.where(where, dialect=dialect, copy=False, **opts)
-4494    if returning:
-4495        delete_expr = delete_expr.returning(returning, dialect=dialect, copy=False, **opts)
-4496    return delete_expr
+            
    4619def delete(
+4620    table: ExpOrStr,
+4621    where: t.Optional[ExpOrStr] = None,
+4622    returning: t.Optional[ExpOrStr] = None,
+4623    dialect: DialectType = None,
+4624    **opts,
+4625) -> Delete:
+4626    """
+4627    Builds a delete statement.
+4628
+4629    Example:
+4630        >>> delete("my_table", where="id > 1").sql()
+4631        'DELETE FROM my_table WHERE id > 1'
+4632
+4633    Args:
+4634        where: sql conditional parsed into a WHERE statement
+4635        returning: sql conditional parsed into a RETURNING statement
+4636        dialect: the dialect used to parse the input expressions.
+4637        **opts: other options to use to parse the input expressions.
+4638
+4639    Returns:
+4640        Delete: the syntax tree for the DELETE statement.
+4641    """
+4642    delete_expr = Delete().delete(table, dialect=dialect, copy=False, **opts)
+4643    if where:
+4644        delete_expr = delete_expr.where(where, dialect=dialect, copy=False, **opts)
+4645    if returning:
+4646        delete_expr = delete_expr.returning(returning, dialect=dialect, copy=False, **opts)
+4647    return delete_expr
 
    
 
 
@@ -44627,43 +46957,45 @@ auto converted to sql objects eg None -> NULL
 
    
             
         def
-        condition(expression, dialect=None, **opts) -> sqlglot.expressions.Condition:
+        condition(	expression,	dialect=None,	copy=True,	**opts) -> sqlglot.expressions.Condition:
 
                 
 
     
    
     
-            
    4499def condition(expression, dialect=None, **opts) -> Condition:
-4500    """
-4501    Initialize a logical condition expression.
-4502
-4503    Example:
-4504        >>> condition("x=1").sql()
-4505        'x = 1'
-4506
-4507        This is helpful for composing larger logical syntax trees:
-4508        >>> where = condition("x=1")
-4509        >>> where = where.and_("y=1")
-4510        >>> Select().from_("tbl").select("*").where(where).sql()
-4511        'SELECT * FROM tbl WHERE x = 1 AND y = 1'
-4512
-4513    Args:
-4514        *expression (str | Expression): the SQL code string to parse.
-4515            If an Expression instance is passed, this is used as-is.
-4516        dialect (str): the dialect used to parse the input expression (in the case that the
-4517            input expression is a SQL string).
-4518        **opts: other options to use to parse the input expressions (again, in the case
-4519            that the input expression is a SQL string).
-4520
-4521    Returns:
-4522        Condition: the expression
-4523    """
-4524    return maybe_parse(  # type: ignore
-4525        expression,
-4526        into=Condition,
-4527        dialect=dialect,
-4528        **opts,
-4529    )
+            
    4650def condition(expression, dialect=None, copy=True, **opts) -> Condition:
+4651    """
+4652    Initialize a logical condition expression.
+4653
+4654    Example:
+4655        >>> condition("x=1").sql()
+4656        'x = 1'
+4657
+4658        This is helpful for composing larger logical syntax trees:
+4659        >>> where = condition("x=1")
+4660        >>> where = where.and_("y=1")
+4661        >>> Select().from_("tbl").select("*").where(where).sql()
+4662        'SELECT * FROM tbl WHERE x = 1 AND y = 1'
+4663
+4664    Args:
+4665        *expression (str | Expression): the SQL code string to parse.
+4666            If an Expression instance is passed, this is used as-is.
+4667        dialect (str): the dialect used to parse the input expression (in the case that the
+4668            input expression is a SQL string).
+4669        copy (bool): Whether or not to copy `expression` (only applies to expressions).
+4670        **opts: other options to use to parse the input expressions (again, in the case
+4671            that the input expression is a SQL string).
+4672
+4673    Returns:
+4674        Condition: the expression
+4675    """
+4676    return maybe_parse(  # type: ignore
+4677        expression,
+4678        into=Condition,
+4679        dialect=dialect,
+4680        copy=copy,
+4681        **opts,
+4682    )
 
    
 
 
@@ -44696,6 +47028,7 @@ auto converted to sql objects eg None -> NULL
 If an Expression instance is passed, this is used as-is.
 
  • dialect (str):  the dialect used to parse the input expression (in the case that the
 input expression is a SQL string).
    • 
+
  • copy (bool):  Whether or not to copy expression (only applies to expressions).
    • 
 
  • **opts:  other options to use to parse the input expressions (again, in the case
 that the input expression is a SQL string).
    • 
 
@@ -44714,30 +47047,31 @@ that the input expression is a SQL string).
 
    
             
         def
-        and_(*expressions, dialect=None, **opts) -> sqlglot.expressions.And:
+        and_(*expressions, dialect=None, copy=True, **opts) -> sqlglot.expressions.And:
 
                 
 
     
    
     
-            
    4532def and_(*expressions, dialect=None, **opts) -> And:
-4533    """
-4534    Combine multiple conditions with an AND logical operator.
-4535
-4536    Example:
-4537        >>> and_("x=1", and_("y=1", "z=1")).sql()
-4538        'x = 1 AND (y = 1 AND z = 1)'
-4539
-4540    Args:
-4541        *expressions (str | Expression): the SQL code strings to parse.
-4542            If an Expression instance is passed, this is used as-is.
-4543        dialect (str): the dialect used to parse the input expression.
-4544        **opts: other options to use to parse the input expressions.
-4545
-4546    Returns:
-4547        And: the new condition
-4548    """
-4549    return _combine(expressions, And, dialect, **opts)
+            
    4685def and_(*expressions, dialect=None, copy=True, **opts) -> And:
+4686    """
+4687    Combine multiple conditions with an AND logical operator.
+4688
+4689    Example:
+4690        >>> and_("x=1", and_("y=1", "z=1")).sql()
+4691        'x = 1 AND (y = 1 AND z = 1)'
+4692
+4693    Args:
+4694        *expressions (str | Expression): the SQL code strings to parse.
+4695            If an Expression instance is passed, this is used as-is.
+4696        dialect (str): the dialect used to parse the input expression.
+4697        copy (bool): whether or not to copy `expressions` (only applies to Expressions).
+4698        **opts: other options to use to parse the input expressions.
+4699
+4700    Returns:
+4701        And: the new condition
+4702    """
+4703    return _combine(expressions, And, dialect, copy=copy, **opts)
 
    
 
 
@@ -44759,6 +47093,7 @@ that the input expression is a SQL string).
 
  • *expressions (str | Expression):  the SQL code strings to parse.
 If an Expression instance is passed, this is used as-is.
    • 
 
  • dialect (str):  the dialect used to parse the input expression.
    • 
+
  • copy (bool):  whether or not to copy expressions (only applies to Expressions).
    • 
 
  • **opts:  other options to use to parse the input expressions.
    • 
 
 
@@ -44776,30 +47111,31 @@ If an Expression instance is passed, this is used as-is.
 
    
             
         def
-        or_(*expressions, dialect=None, **opts) -> sqlglot.expressions.Or:
+        or_(*expressions, dialect=None, copy=True, **opts) -> sqlglot.expressions.Or:
 
                 
 
     
    
     
-            
    4552def or_(*expressions, dialect=None, **opts) -> Or:
-4553    """
-4554    Combine multiple conditions with an OR logical operator.
-4555
-4556    Example:
-4557        >>> or_("x=1", or_("y=1", "z=1")).sql()
-4558        'x = 1 OR (y = 1 OR z = 1)'
-4559
-4560    Args:
-4561        *expressions (str | Expression): the SQL code strings to parse.
-4562            If an Expression instance is passed, this is used as-is.
-4563        dialect (str): the dialect used to parse the input expression.
-4564        **opts: other options to use to parse the input expressions.
-4565
-4566    Returns:
-4567        Or: the new condition
-4568    """
-4569    return _combine(expressions, Or, dialect, **opts)
+            
    4706def or_(*expressions, dialect=None, copy=True, **opts) -> Or:
+4707    """
+4708    Combine multiple conditions with an OR logical operator.
+4709
+4710    Example:
+4711        >>> or_("x=1", or_("y=1", "z=1")).sql()
+4712        'x = 1 OR (y = 1 OR z = 1)'
+4713
+4714    Args:
+4715        *expressions (str | Expression): the SQL code strings to parse.
+4716            If an Expression instance is passed, this is used as-is.
+4717        dialect (str): the dialect used to parse the input expression.
+4718        copy (bool): whether or not to copy `expressions` (only applies to Expressions).
+4719        **opts: other options to use to parse the input expressions.
+4720
+4721    Returns:
+4722        Or: the new condition
+4723    """
+4724    return _combine(expressions, Or, dialect, copy=copy, **opts)
 
    
 
 
@@ -44821,6 +47157,7 @@ If an Expression instance is passed, this is used as-is.
 
  • *expressions (str | Expression):  the SQL code strings to parse.
 If an Expression instance is passed, this is used as-is.
    • 
 
  • dialect (str):  the dialect used to parse the input expression.
    • 
+
  • copy (bool):  whether or not to copy expressions (only applies to Expressions).
    • 
 
  • **opts:  other options to use to parse the input expressions.
    • 
 
 
@@ -44838,35 +47175,36 @@ If an Expression instance is passed, this is used as-is.
 
    
             
         def
-        not_(expression, dialect=None, **opts) -> sqlglot.expressions.Not:
+        not_(expression, dialect=None, copy=True, **opts) -> sqlglot.expressions.Not:
 
                 
 
     
    
     
-            
    4572def not_(expression, dialect=None, **opts) -> Not:
-4573    """
-4574    Wrap a condition with a NOT operator.
-4575
-4576    Example:
-4577        >>> not_("this_suit='black'").sql()
-4578        "NOT this_suit = 'black'"
-4579
-4580    Args:
-4581        expression (str | Expression): the SQL code strings to parse.
-4582            If an Expression instance is passed, this is used as-is.
-4583        dialect (str): the dialect used to parse the input expression.
-4584        **opts: other options to use to parse the input expressions.
-4585
-4586    Returns:
-4587        Not: the new condition
-4588    """
-4589    this = condition(
-4590        expression,
-4591        dialect=dialect,
-4592        **opts,
-4593    )
-4594    return Not(this=_wrap_operator(this))
+            
    4727def not_(expression, dialect=None, copy=True, **opts) -> Not:
+4728    """
+4729    Wrap a condition with a NOT operator.
+4730
+4731    Example:
+4732        >>> not_("this_suit='black'").sql()
+4733        "NOT this_suit = 'black'"
+4734
+4735    Args:
+4736        expression (str | Expression): the SQL code strings to parse.
+4737            If an Expression instance is passed, this is used as-is.
+4738        dialect (str): the dialect used to parse the input expression.
+4739        **opts: other options to use to parse the input expressions.
+4740
+4741    Returns:
+4742        Not: the new condition
+4743    """
+4744    this = condition(
+4745        expression,
+4746        dialect=dialect,
+4747        copy=copy,
+4748        **opts,
+4749    )
+4750    return Not(this=_wrap(this, Connector))
 
    
 
 
@@ -44905,14 +47243,14 @@ If an Expression instance is passed, this is used as-is.
 
    
             
         def
-        paren(expression) -> sqlglot.expressions.Paren:
+        paren(expression, copy=True) -> sqlglot.expressions.Paren:
 
                 
 
     
    
     
-            
    4597def paren(expression) -> Paren:
-4598    return Paren(this=expression)
+            
    4753def paren(expression, copy=True) -> Paren:
+4754    return Paren(this=_maybe_copy(expression, copy))
 
    
 
 
@@ -44930,30 +47268,30 @@ If an Expression instance is passed, this is used as-is.
 
     
    
     
-            
    4614def to_identifier(name, quoted=None):
-4615    """Builds an identifier.
-4616
-4617    Args:
-4618        name: The name to turn into an identifier.
-4619        quoted: Whether or not force quote the identifier.
-4620
-4621    Returns:
-4622        The identifier ast node.
-4623    """
-4624
-4625    if name is None:
-4626        return None
-4627
-4628    if isinstance(name, Identifier):
-4629        identifier = name
-4630    elif isinstance(name, str):
-4631        identifier = Identifier(
-4632            this=name,
-4633            quoted=not SAFE_IDENTIFIER_RE.match(name) if quoted is None else quoted,
-4634        )
-4635    else:
-4636        raise ValueError(f"Name needs to be a string or an Identifier, got: {name.__class__}")
-4637    return identifier
+            
    4770def to_identifier(name, quoted=None):
+4771    """Builds an identifier.
+4772
+4773    Args:
+4774        name: The name to turn into an identifier.
+4775        quoted: Whether or not force quote the identifier.
+4776
+4777    Returns:
+4778        The identifier ast node.
+4779    """
+4780
+4781    if name is None:
+4782        return None
+4783
+4784    if isinstance(name, Identifier):
+4785        identifier = name
+4786    elif isinstance(name, str):
+4787        identifier = Identifier(
+4788            this=name,
+4789            quoted=not SAFE_IDENTIFIER_RE.match(name) if quoted is None else quoted,
+4790        )
+4791    else:
+4792        raise ValueError(f"Name needs to be a string or an Identifier, got: {name.__class__}")
+4793    return identifier
 
    
 
 
@@ -44986,23 +47324,23 @@ If an Expression instance is passed, this is used as-is.
 
     
    
     
-            
    4643def to_interval(interval: str | Literal) -> Interval:
-4644    """Builds an interval expression from a string like '1 day' or '5 months'."""
-4645    if isinstance(interval, Literal):
-4646        if not interval.is_string:
-4647            raise ValueError("Invalid interval string.")
-4648
-4649        interval = interval.this
-4650
-4651    interval_parts = INTERVAL_STRING_RE.match(interval)  # type: ignore
-4652
-4653    if not interval_parts:
-4654        raise ValueError("Invalid interval string.")
-4655
-4656    return Interval(
-4657        this=Literal.string(interval_parts.group(1)),
-4658        unit=Var(this=interval_parts.group(2)),
-4659    )
+            
    4799def to_interval(interval: str | Literal) -> Interval:
+4800    """Builds an interval expression from a string like '1 day' or '5 months'."""
+4801    if isinstance(interval, Literal):
+4802        if not interval.is_string:
+4803            raise ValueError("Invalid interval string.")
+4804
+4805        interval = interval.this
+4806
+4807    interval_parts = INTERVAL_STRING_RE.match(interval)  # type: ignore
+4808
+4809    if not interval_parts:
+4810        raise ValueError("Invalid interval string.")
+4811
+4812    return Interval(
+4813        this=Literal.string(interval_parts.group(1)),
+4814        unit=Var(this=interval_parts.group(2)),
+4815    )
 
    
 
 
@@ -45022,24 +47360,24 @@ If an Expression instance is passed, this is used as-is.
 
     
    
     
-            
    4672def to_table(sql_path: t.Optional[str | Table], **kwargs) -> t.Optional[Table]:
-4673    """
-4674    Create a table expression from a `[catalog].[schema].[table]` sql path. Catalog and schema are optional.
-4675    If a table is passed in then that table is returned.
-4676
-4677    Args:
-4678        sql_path: a `[catalog].[schema].[table]` string.
-4679
-4680    Returns:
-4681        A table expression.
-4682    """
-4683    if sql_path is None or isinstance(sql_path, Table):
-4684        return sql_path
-4685    if not isinstance(sql_path, str):
-4686        raise ValueError(f"Invalid type provided for a table: {type(sql_path)}")
-4687
-4688    catalog, db, table_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 3))
-4689    return Table(this=table_name, db=db, catalog=catalog, **kwargs)
+            
    4828def to_table(sql_path: t.Optional[str | Table], **kwargs) -> t.Optional[Table]:
+4829    """
+4830    Create a table expression from a `[catalog].[schema].[table]` sql path. Catalog and schema are optional.
+4831    If a table is passed in then that table is returned.
+4832
+4833    Args:
+4834        sql_path: a `[catalog].[schema].[table]` string.
+4835
+4836    Returns:
+4837        A table expression.
+4838    """
+4839    if sql_path is None or isinstance(sql_path, Table):
+4840        return sql_path
+4841    if not isinstance(sql_path, str):
+4842        raise ValueError(f"Invalid type provided for a table: {type(sql_path)}")
+4843
+4844    catalog, db, table_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 3))
+4845    return Table(this=table_name, db=db, catalog=catalog, **kwargs)
 
    
 
 
@@ -45072,22 +47410,22 @@ If a table is passed in then that table is returned.
    
 
     
    
     
-            
    4692def to_column(sql_path: str | Column, **kwargs) -> Column:
-4693    """
-4694    Create a column from a `[table].[column]` sql path. Schema is optional.
-4695
-4696    If a column is passed in then that column is returned.
-4697
-4698    Args:
-4699        sql_path: `[table].[column]` string
-4700    Returns:
-4701        Table: A column expression
-4702    """
-4703    if sql_path is None or isinstance(sql_path, Column):
-4704        return sql_path
-4705    if not isinstance(sql_path, str):
-4706        raise ValueError(f"Invalid type provided for column: {type(sql_path)}")
-4707    return column(*reversed(sql_path.split(".")), **kwargs)  # type: ignore
+            
    4848def to_column(sql_path: str | Column, **kwargs) -> Column:
+4849    """
+4850    Create a column from a `[table].[column]` sql path. Schema is optional.
+4851
+4852    If a column is passed in then that column is returned.
+4853
+4854    Args:
+4855        sql_path: `[table].[column]` string
+4856    Returns:
+4857        Table: A column expression
+4858    """
+4859    if sql_path is None or isinstance(sql_path, Column):
+4860        return sql_path
+4861    if not isinstance(sql_path, str):
+4862        raise ValueError(f"Invalid type provided for column: {type(sql_path)}")
+4863    return column(*reversed(sql_path.split(".")), **kwargs)  # type: ignore
 
    
 
 
@@ -45121,62 +47459,62 @@ If a table is passed in then that table is returned.
    
 
     
    
     
-            
    4710def alias_(
-4711    expression: ExpOrStr,
-4712    alias: str | Identifier,
-4713    table: bool | t.Sequence[str | Identifier] = False,
-4714    quoted: t.Optional[bool] = None,
-4715    dialect: DialectType = None,
-4716    **opts,
-4717):
-4718    """Create an Alias expression.
-4719
-4720    Example:
-4721        >>> alias_('foo', 'bar').sql()
-4722        'foo AS bar'
-4723
-4724        >>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql()
-4725        '(SELECT 1, 2) AS bar(a, b)'
-4726
-4727    Args:
-4728        expression: the SQL code strings to parse.
-4729            If an Expression instance is passed, this is used as-is.
-4730        alias: the alias name to use. If the name has
-4731            special characters it is quoted.
-4732        table: Whether or not to create a table alias, can also be a list of columns.
-4733        quoted: whether or not to quote the alias
-4734        dialect: the dialect used to parse the input expression.
-4735        **opts: other options to use to parse the input expressions.
-4736
-4737    Returns:
-4738        Alias: the aliased expression
-4739    """
-4740    exp = maybe_parse(expression, dialect=dialect, **opts)
-4741    alias = to_identifier(alias, quoted=quoted)
-4742
-4743    if table:
-4744        table_alias = TableAlias(this=alias)
-4745
-4746        exp = exp.copy() if isinstance(expression, Expression) else exp
-4747        exp.set("alias", table_alias)
-4748
-4749        if not isinstance(table, bool):
-4750            for column in table:
-4751                table_alias.append("columns", to_identifier(column, quoted=quoted))
-4752
-4753        return exp
-4754
-4755    # We don't set the "alias" arg for Window expressions, because that would add an IDENTIFIER node in
-4756    # the AST, representing a "named_window" [1] construct (eg. bigquery). What we want is an ALIAS node
-4757    # for the complete Window expression.
-4758    #
-4759    # [1]: https://cloud.google.com/bigquery/docs/reference/standard-sql/window-function-calls
-4760
-4761    if "alias" in exp.arg_types and not isinstance(exp, Window):
-4762        exp = exp.copy()
-4763        exp.set("alias", alias)
-4764        return exp
-4765    return Alias(this=exp, alias=alias)
+            
    4866def alias_(
+4867    expression: ExpOrStr,
+4868    alias: str | Identifier,
+4869    table: bool | t.Sequence[str | Identifier] = False,
+4870    quoted: t.Optional[bool] = None,
+4871    dialect: DialectType = None,
+4872    **opts,
+4873):
+4874    """Create an Alias expression.
+4875
+4876    Example:
+4877        >>> alias_('foo', 'bar').sql()
+4878        'foo AS bar'
+4879
+4880        >>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql()
+4881        '(SELECT 1, 2) AS bar(a, b)'
+4882
+4883    Args:
+4884        expression: the SQL code strings to parse.
+4885            If an Expression instance is passed, this is used as-is.
+4886        alias: the alias name to use. If the name has
+4887            special characters it is quoted.
+4888        table: Whether or not to create a table alias, can also be a list of columns.
+4889        quoted: whether or not to quote the alias
+4890        dialect: the dialect used to parse the input expression.
+4891        **opts: other options to use to parse the input expressions.
+4892
+4893    Returns:
+4894        Alias: the aliased expression
+4895    """
+4896    exp = maybe_parse(expression, dialect=dialect, **opts)
+4897    alias = to_identifier(alias, quoted=quoted)
+4898
+4899    if table:
+4900        table_alias = TableAlias(this=alias)
+4901
+4902        exp = exp.copy() if isinstance(expression, Expression) else exp
+4903        exp.set("alias", table_alias)
+4904
+4905        if not isinstance(table, bool):
+4906            for column in table:
+4907                table_alias.append("columns", to_identifier(column, quoted=quoted))
+4908
+4909        return exp
+4910
+4911    # We don't set the "alias" arg for Window expressions, because that would add an IDENTIFIER node in
+4912    # the AST, representing a "named_window" [1] construct (eg. bigquery). What we want is an ALIAS node
+4913    # for the complete Window expression.
+4914    #
+4915    # [1]: https://cloud.google.com/bigquery/docs/reference/standard-sql/window-function-calls
+4916
+4917    if "alias" in exp.arg_types and not isinstance(exp, Window):
+4918        exp = exp.copy()
+4919        exp.set("alias", alias)
+4920        return exp
+4921    return Alias(this=exp, alias=alias)
 
    
 
 
@@ -45231,27 +47569,27 @@ special characters it is quoted.
 
     
    
     
-            
    4768def subquery(expression, alias=None, dialect=None, **opts):
-4769    """
-4770    Build a subquery expression.
-4771
-4772    Example:
-4773        >>> subquery('select x from tbl', 'bar').select('x').sql()
-4774        'SELECT x FROM (SELECT x FROM tbl) AS bar'
-4775
-4776    Args:
-4777        expression (str | Expression): the SQL code strings to parse.
-4778            If an Expression instance is passed, this is used as-is.
-4779        alias (str | Expression): the alias name to use.
-4780        dialect (str): the dialect used to parse the input expression.
-4781        **opts: other options to use to parse the input expressions.
-4782
-4783    Returns:
-4784        Select: a new select with the subquery expression included
-4785    """
-4786
-4787    expression = maybe_parse(expression, dialect=dialect, **opts).subquery(alias)
-4788    return Select().from_(expression, dialect=dialect, **opts)
+            
    4924def subquery(expression, alias=None, dialect=None, **opts):
+4925    """
+4926    Build a subquery expression.
+4927
+4928    Example:
+4929        >>> subquery('select x from tbl', 'bar').select('x').sql()
+4930        'SELECT x FROM (SELECT x FROM tbl) AS bar'
+4931
+4932    Args:
+4933        expression (str | Expression): the SQL code strings to parse.
+4934            If an Expression instance is passed, this is used as-is.
+4935        alias (str | Expression): the alias name to use.
+4936        dialect (str): the dialect used to parse the input expression.
+4937        **opts: other options to use to parse the input expressions.
+4938
+4939    Returns:
+4940        Select: a new select with the subquery expression included
+4941    """
+4942
+4943    expression = maybe_parse(expression, dialect=dialect, **opts).subquery(alias)
+4944    return Select().from_(expression, dialect=dialect, **opts)
 
    
 
 
@@ -45297,31 +47635,31 @@ If an Expression instance is passed, this is used as-is.
 
     
    
     
-            
    4791def column(
-4792    col: str | Identifier,
-4793    table: t.Optional[str | Identifier] = None,
-4794    db: t.Optional[str | Identifier] = None,
-4795    catalog: t.Optional[str | Identifier] = None,
-4796    quoted: t.Optional[bool] = None,
-4797) -> Column:
-4798    """
-4799    Build a Column.
-4800
-4801    Args:
-4802        col: column name
-4803        table: table name
-4804        db: db name
-4805        catalog: catalog name
-4806        quoted: whether or not to force quote each part
-4807    Returns:
-4808        Column: column instance
-4809    """
-4810    return Column(
-4811        this=to_identifier(col, quoted=quoted),
-4812        table=to_identifier(table, quoted=quoted),
-4813        db=to_identifier(db, quoted=quoted),
-4814        catalog=to_identifier(catalog, quoted=quoted),
-4815    )
+            
    4947def column(
+4948    col: str | Identifier,
+4949    table: t.Optional[str | Identifier] = None,
+4950    db: t.Optional[str | Identifier] = None,
+4951    catalog: t.Optional[str | Identifier] = None,
+4952    quoted: t.Optional[bool] = None,
+4953) -> Column:
+4954    """
+4955    Build a Column.
+4956
+4957    Args:
+4958        col: column name
+4959        table: table name
+4960        db: db name
+4961        catalog: catalog name
+4962        quoted: whether or not to force quote each part
+4963    Returns:
+4964        Column: column instance
+4965    """
+4966    return Column(
+4967        this=to_identifier(col, quoted=quoted),
+4968        table=to_identifier(table, quoted=quoted),
+4969        db=to_identifier(db, quoted=quoted),
+4970        catalog=to_identifier(catalog, quoted=quoted),
+4971    )
 
    
 
 
@@ -45357,22 +47695,22 @@ If an Expression instance is passed, this is used as-is.
 
     
    
     
-            
    4818def cast(expression: ExpOrStr, to: str | DataType | DataType.Type, **opts) -> Cast:
-4819    """Cast an expression to a data type.
-4820
-4821    Example:
-4822        >>> cast('x + 1', 'int').sql()
-4823        'CAST(x + 1 AS INT)'
-4824
-4825    Args:
-4826        expression: The expression to cast.
-4827        to: The datatype to cast to.
-4828
-4829    Returns:
-4830        A cast node.
-4831    """
-4832    expression = maybe_parse(expression, **opts)
-4833    return Cast(this=expression, to=DataType.build(to, **opts))
+            
    4974def cast(expression: ExpOrStr, to: str | DataType | DataType.Type, **opts) -> Cast:
+4975    """Cast an expression to a data type.
+4976
+4977    Example:
+4978        >>> cast('x + 1', 'int').sql()
+4979        'CAST(x + 1 AS INT)'
+4980
+4981    Args:
+4982        expression: The expression to cast.
+4983        to: The datatype to cast to.
+4984
+4985    Returns:
+4986        A cast node.
+4987    """
+4988    expression = maybe_parse(expression, **opts)
+4989    return Cast(this=expression, to=DataType.build(to, **opts))
 
    
 
 
@@ -45415,23 +47753,23 @@ If an Expression instance is passed, this is used as-is.
 
     
    
     
-            
    4836def table_(table, db=None, catalog=None, quoted=None, alias=None) -> Table:
-4837    """Build a Table.
-4838
-4839    Args:
-4840        table (str | Expression): column name
-4841        db (str | Expression): db name
-4842        catalog (str | Expression): catalog name
-4843
-4844    Returns:
-4845        Table: table instance
-4846    """
-4847    return Table(
-4848        this=to_identifier(table, quoted=quoted),
-4849        db=to_identifier(db, quoted=quoted),
-4850        catalog=to_identifier(catalog, quoted=quoted),
-4851        alias=TableAlias(this=to_identifier(alias)) if alias else None,
-4852    )
+            
    4992def table_(table, db=None, catalog=None, quoted=None, alias=None) -> Table:
+4993    """Build a Table.
+4994
+4995    Args:
+4996        table (str | Expression): column name
+4997        db (str | Expression): db name
+4998        catalog (str | Expression): catalog name
+4999
+5000    Returns:
+5001        Table: table instance
+5002    """
+5003    return Table(
+5004        this=to_identifier(table, quoted=quoted),
+5005        db=to_identifier(db, quoted=quoted),
+5006        catalog=to_identifier(catalog, quoted=quoted),
+5007        alias=TableAlias(this=to_identifier(alias)) if alias else None,
+5008    )
 
    
 
 
@@ -45465,46 +47803,37 @@ If an Expression instance is passed, this is used as-is.
 
     
    
     
-            
    4855def values(
-4856    values: t.Iterable[t.Tuple[t.Any, ...]],
-4857    alias: t.Optional[str] = None,
-4858    columns: t.Optional[t.Iterable[str] | t.Dict[str, DataType]] = None,
-4859) -> Values:
-4860    """Build VALUES statement.
-4861
-4862    Example:
-4863        >>> values([(1, '2')]).sql()
-4864        "VALUES (1, '2')"
-4865
-4866    Args:
-4867        values: values statements that will be converted to SQL
-4868        alias: optional alias
-4869        columns: Optional list of ordered column names or ordered dictionary of column names to types.
-4870         If either are provided then an alias is also required.
-4871         If a dictionary is provided then the first column of the values will be casted to the expected type
-4872         in order to help with type inference.
-4873
-4874    Returns:
-4875        Values: the Values expression object
-4876    """
-4877    if columns and not alias:
-4878        raise ValueError("Alias is required when providing columns")
-4879    table_alias = (
-4880        TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns])
-4881        if columns
-4882        else TableAlias(this=to_identifier(alias) if alias else None)
-4883    )
-4884    expressions = [convert(tup) for tup in values]
-4885    if columns and isinstance(columns, dict):
-4886        types = list(columns.values())
-4887        expressions[0].set(
-4888            "expressions",
-4889            [cast(x, types[i]) for i, x in enumerate(expressions[0].expressions)],
-4890        )
-4891    return Values(
-4892        expressions=expressions,
-4893        alias=table_alias,
-4894    )
+            
    5011def values(
+5012    values: t.Iterable[t.Tuple[t.Any, ...]],
+5013    alias: t.Optional[str] = None,
+5014    columns: t.Optional[t.Iterable[str] | t.Dict[str, DataType]] = None,
+5015) -> Values:
+5016    """Build VALUES statement.
+5017
+5018    Example:
+5019        >>> values([(1, '2')]).sql()
+5020        "VALUES (1, '2')"
+5021
+5022    Args:
+5023        values: values statements that will be converted to SQL
+5024        alias: optional alias
+5025        columns: Optional list of ordered column names or ordered dictionary of column names to types.
+5026         If either are provided then an alias is also required.
+5027
+5028    Returns:
+5029        Values: the Values expression object
+5030    """
+5031    if columns and not alias:
+5032        raise ValueError("Alias is required when providing columns")
+5033
+5034    return Values(
+5035        expressions=[convert(tup) for tup in values],
+5036        alias=(
+5037            TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns])
+5038            if columns
+5039            else (TableAlias(this=to_identifier(alias)) if alias else None)
+5040        ),
+5041    )
 
    
 
 
@@ -45526,9 +47855,7 @@ If an Expression instance is passed, this is used as-is.
 
  • values:  values statements that will be converted to SQL
    • 
 
  • alias:  optional alias
    • 
 
  • columns:  Optional list of ordered column names or ordered dictionary of column names to types.
-If either are provided then an alias is also required.
-If a dictionary is provided then the first column of the values will be casted to the expected type
-in order to help with type inference.
    • 
+If either are provided then an alias is also required.
 
 
 
    Returns:
    
@@ -45551,28 +47878,28 @@ in order to help with type inference.
 
     
    
     
-            
    4897def var(name: t.Optional[ExpOrStr]) -> Var:
-4898    """Build a SQL variable.
-4899
-4900    Example:
-4901        >>> repr(var('x'))
-4902        '(VAR this: x)'
-4903
-4904        >>> repr(var(column('x', table='y')))
-4905        '(VAR this: x)'
-4906
-4907    Args:
-4908        name: The name of the var or an expression who's name will become the var.
-4909
-4910    Returns:
-4911        The new variable node.
-4912    """
-4913    if not name:
-4914        raise ValueError("Cannot convert empty name into var.")
-4915
-4916    if isinstance(name, Expression):
-4917        name = name.name
-4918    return Var(this=name)
+            
    5044def var(name: t.Optional[ExpOrStr]) -> Var:
+5045    """Build a SQL variable.
+5046
+5047    Example:
+5048        >>> repr(var('x'))
+5049        '(VAR this: x)'
+5050
+5051        >>> repr(var(column('x', table='y')))
+5052        '(VAR this: x)'
+5053
+5054    Args:
+5055        name: The name of the var or an expression who's name will become the var.
+5056
+5057    Returns:
+5058        The new variable node.
+5059    """
+5060    if not name:
+5061        raise ValueError("Cannot convert empty name into var.")
+5062
+5063    if isinstance(name, Expression):
+5064        name = name.name
+5065    return Var(this=name)
 
    
 
 
@@ -45620,24 +47947,24 @@ in order to help with type inference.
 
     
    
     
-            
    4921def rename_table(old_name: str | Table, new_name: str | Table) -> AlterTable:
-4922    """Build ALTER TABLE... RENAME... expression
-4923
-4924    Args:
-4925        old_name: The old name of the table
-4926        new_name: The new name of the table
-4927
-4928    Returns:
-4929        Alter table expression
-4930    """
-4931    old_table = to_table(old_name)
-4932    new_table = to_table(new_name)
-4933    return AlterTable(
-4934        this=old_table,
-4935        actions=[
-4936            RenameTable(this=new_table),
-4937        ],
-4938    )
+            
    5068def rename_table(old_name: str | Table, new_name: str | Table) -> AlterTable:
+5069    """Build ALTER TABLE... RENAME... expression
+5070
+5071    Args:
+5072        old_name: The old name of the table
+5073        new_name: The new name of the table
+5074
+5075    Returns:
+5076        Alter table expression
+5077    """
+5078    old_table = to_table(old_name)
+5079    new_table = to_table(new_name)
+5080    return AlterTable(
+5081        this=old_table,
+5082        actions=[
+5083            RenameTable(this=new_table),
+5084        ],
+5085    )
 
    
 
 
@@ -45664,53 +47991,52 @@ in order to help with type inference.
 
    
             
         def
-        convert(value) -> sqlglot.expressions.Expression:
+        convert(value: Any, copy: bool = False) -> sqlglot.expressions.Expression:
 
                 
 
     
    
     
-            
    4941def convert(value) -> Expression:
-4942    """Convert a python value into an expression object.
-4943
-4944    Raises an error if a conversion is not possible.
-4945
-4946    Args:
-4947        value (Any): a python object
-4948
-4949    Returns:
-4950        Expression: the equivalent expression object
-4951    """
-4952    if isinstance(value, Expression):
-4953        return value
-4954    if value is None:
-4955        return NULL
-4956    if isinstance(value, bool):
-4957        return Boolean(this=value)
-4958    if isinstance(value, str):
-4959        return Literal.string(value)
-4960    if isinstance(value, float) and math.isnan(value):
-4961        return NULL
-4962    if isinstance(value, numbers.Number):
-4963        return Literal.number(value)
-4964    if isinstance(value, tuple):
-4965        return Tuple(expressions=[convert(v) for v in value])
-4966    if isinstance(value, list):
-4967        return Array(expressions=[convert(v) for v in value])
-4968    if isinstance(value, dict):
-4969        return Map(
-4970            keys=[convert(k) for k in value],
-4971            values=[convert(v) for v in value.values()],
-4972        )
-4973    if isinstance(value, datetime.datetime):
-4974        datetime_literal = Literal.string(
-4975            (value if value.tzinfo else value.replace(tzinfo=datetime.timezone.utc)).isoformat()
-4976        )
-4977        return TimeStrToTime(this=datetime_literal)
-4978    if isinstance(value, datetime.date):
-4979        date_literal = Literal.string(value.strftime("%Y-%m-%d"))
-4980        return DateStrToDate(this=date_literal)
-4981    raise ValueError(f"Cannot convert {value}")
+            
    5088def convert(value: t.Any, copy: bool = False) -> Expression:
+5089    """Convert a python value into an expression object.
+5090
+5091    Raises an error if a conversion is not possible.
+5092
+5093    Args:
+5094        value: A python object.
+5095        copy: Whether or not to copy `value` (only applies to Expressions and collections).
+5096
+5097    Returns:
+5098        Expression: the equivalent expression object.
+5099    """
+5100    if isinstance(value, Expression):
+5101        return _maybe_copy(value, copy)
+5102    if isinstance(value, str):
+5103        return Literal.string(value)
+5104    if isinstance(value, bool):
+5105        return Boolean(this=value)
+5106    if value is None or (isinstance(value, float) and math.isnan(value)):
+5107        return NULL
+5108    if isinstance(value, numbers.Number):
+5109        return Literal.number(value)
+5110    if isinstance(value, datetime.datetime):
+5111        datetime_literal = Literal.string(
+5112            (value if value.tzinfo else value.replace(tzinfo=datetime.timezone.utc)).isoformat()
+5113        )
+5114        return TimeStrToTime(this=datetime_literal)
+5115    if isinstance(value, datetime.date):
+5116        date_literal = Literal.string(value.strftime("%Y-%m-%d"))
+5117        return DateStrToDate(this=date_literal)
+5118    if isinstance(value, tuple):
+5119        return Tuple(expressions=[convert(v, copy=copy) for v in value])
+5120    if isinstance(value, list):
+5121        return Array(expressions=[convert(v, copy=copy) for v in value])
+5122    if isinstance(value, dict):
+5123        return Map(
+5124            keys=[convert(k, copy=copy) for k in value],
+5125            values=[convert(v, copy=copy) for v in value.values()],
+5126        )
+5127    raise ValueError(f"Cannot convert {value}")
 
    
 
 
@@ -45721,13 +48047,14 @@ in order to help with type inference.
 
    Arguments:
    
 
 
      
-
    • value (Any):  a python object
      • 
+
    • value:  A python object.
      • 
+
    • copy:  Whether or not to copy value (only applies to Expressions and collections).
      • 
 
    
 
 
    Returns:
    
 
 
    
-  
    Expression: the equivalent expression object
    
+  
    Expression: the equivalent expression object.
    
 
    
 
    
 
@@ -45744,26 +48071,26 @@ in order to help with type inference.
 
     
    
     
-            
    4984def replace_children(expression, fun, *args, **kwargs):
-4985    """
-4986    Replace children of an expression with the result of a lambda fun(child) -> exp.
-4987    """
-4988    for k, v in expression.args.items():
-4989        is_list_arg = type(v) is list
-4990
-4991        child_nodes = v if is_list_arg else [v]
-4992        new_child_nodes = []
-4993
-4994        for cn in child_nodes:
-4995            if isinstance(cn, Expression):
-4996                for child_node in ensure_collection(fun(cn, *args, **kwargs)):
-4997                    new_child_nodes.append(child_node)
-4998                    child_node.parent = expression
-4999                    child_node.arg_key = k
-5000            else:
-5001                new_child_nodes.append(cn)
-5002
-5003        expression.args[k] = new_child_nodes if is_list_arg else seq_get(new_child_nodes, 0)
+            
    5130def replace_children(expression, fun, *args, **kwargs):
+5131    """
+5132    Replace children of an expression with the result of a lambda fun(child) -> exp.
+5133    """
+5134    for k, v in expression.args.items():
+5135        is_list_arg = type(v) is list
+5136
+5137        child_nodes = v if is_list_arg else [v]
+5138        new_child_nodes = []
+5139
+5140        for cn in child_nodes:
+5141            if isinstance(cn, Expression):
+5142                for child_node in ensure_collection(fun(cn, *args, **kwargs)):
+5143                    new_child_nodes.append(child_node)
+5144                    child_node.parent = expression
+5145                    child_node.arg_key = k
+5146            else:
+5147                new_child_nodes.append(cn)
+5148
+5149        expression.args[k] = new_child_nodes if is_list_arg else seq_get(new_child_nodes, 0)
 
    
 
 
@@ -45783,22 +48110,22 @@ in order to help with type inference.
 
     
    
     
-            
    5006def column_table_names(expression):
-5007    """
-5008    Return all table names referenced through columns in an expression.
-5009
-5010    Example:
-5011        >>> import sqlglot
-5012        >>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e"))
-5013        ['c', 'a']
-5014
-5015    Args:
-5016        expression (sqlglot.Expression): expression to find table names
-5017
-5018    Returns:
-5019        list: A list of unique names
-5020    """
-5021    return list(dict.fromkeys(column.table for column in expression.find_all(Column)))
+            
    5152def column_table_names(expression):
+5153    """
+5154    Return all table names referenced through columns in an expression.
+5155
+5156    Example:
+5157        >>> import sqlglot
+5158        >>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e"))
+5159        ['c', 'a']
+5160
+5161    Args:
+5162        expression (sqlglot.Expression): expression to find table names
+5163
+5164    Returns:
+5165        list: A list of unique names
+5166    """
+5167    return list(dict.fromkeys(column.table for column in expression.find_all(Column)))
 
    
 
 
@@ -45841,35 +48168,35 @@ in order to help with type inference.
 
     
    
     
-            
    5024def table_name(table) -> str:
-5025    """Get the full name of a table as a string.
-5026
-5027    Args:
-5028        table (exp.Table | str): table expression node or string.
-5029
-5030    Examples:
-5031        >>> from sqlglot import exp, parse_one
-5032        >>> table_name(parse_one("select * from a.b.c").find(exp.Table))
-5033        'a.b.c'
-5034
-5035    Returns:
-5036        The table name.
-5037    """
-5038
-5039    table = maybe_parse(table, into=Table)
-5040
-5041    if not table:
-5042        raise ValueError(f"Cannot parse {table}")
-5043
-5044    return ".".join(
-5045        part
-5046        for part in (
-5047            table.text("catalog"),
-5048            table.text("db"),
-5049            table.name,
-5050        )
-5051        if part
-5052    )
+            
    5170def table_name(table) -> str:
+5171    """Get the full name of a table as a string.
+5172
+5173    Args:
+5174        table (exp.Table | str): table expression node or string.
+5175
+5176    Examples:
+5177        >>> from sqlglot import exp, parse_one
+5178        >>> table_name(parse_one("select * from a.b.c").find(exp.Table))
+5179        'a.b.c'
+5180
+5181    Returns:
+5182        The table name.
+5183    """
+5184
+5185    table = maybe_parse(table, into=Table)
+5186
+5187    if not table:
+5188        raise ValueError(f"Cannot parse {table}")
+5189
+5190    return ".".join(
+5191        part
+5192        for part in (
+5193            table.text("catalog"),
+5194            table.text("db"),
+5195            table.name,
+5196        )
+5197        if part
+5198    )
 
    
 
 
@@ -45912,33 +48239,33 @@ in order to help with type inference.
 
     
    
     
-            
    5055def replace_tables(expression, mapping):
-5056    """Replace all tables in expression according to the mapping.
-5057
-5058    Args:
-5059        expression (sqlglot.Expression): expression node to be transformed and replaced.
-5060        mapping (Dict[str, str]): mapping of table names.
-5061
-5062    Examples:
-5063        >>> from sqlglot import exp, parse_one
-5064        >>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql()
-5065        'SELECT * FROM c'
-5066
-5067    Returns:
-5068        The mapped expression.
-5069    """
-5070
-5071    def _replace_tables(node):
-5072        if isinstance(node, Table):
-5073            new_name = mapping.get(table_name(node))
-5074            if new_name:
-5075                return to_table(
-5076                    new_name,
-5077                    **{k: v for k, v in node.args.items() if k not in ("this", "db", "catalog")},
-5078                )
-5079        return node
-5080
-5081    return expression.transform(_replace_tables)
+            
    5201def replace_tables(expression, mapping):
+5202    """Replace all tables in expression according to the mapping.
+5203
+5204    Args:
+5205        expression (sqlglot.Expression): expression node to be transformed and replaced.
+5206        mapping (Dict[str, str]): mapping of table names.
+5207
+5208    Examples:
+5209        >>> from sqlglot import exp, parse_one
+5210        >>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql()
+5211        'SELECT * FROM c'
+5212
+5213    Returns:
+5214        The mapped expression.
+5215    """
+5216
+5217    def _replace_tables(node):
+5218        if isinstance(node, Table):
+5219            new_name = mapping.get(table_name(node))
+5220            if new_name:
+5221                return to_table(
+5222                    new_name,
+5223                    **{k: v for k, v in node.args.items() if k not in ("this", "db", "catalog")},
+5224                )
+5225        return node
+5226
+5227    return expression.transform(_replace_tables)
 
    
 
 
@@ -45982,40 +48309,40 @@ in order to help with type inference.
 
     
    
     
-            
    5084def replace_placeholders(expression, *args, **kwargs):
-5085    """Replace placeholders in an expression.
-5086
-5087    Args:
-5088        expression (sqlglot.Expression): expression node to be transformed and replaced.
-5089        args: positional names that will substitute unnamed placeholders in the given order.
-5090        kwargs: keyword arguments that will substitute named placeholders.
-5091
-5092    Examples:
-5093        >>> from sqlglot import exp, parse_one
-5094        >>> replace_placeholders(
-5095        ...     parse_one("select * from :tbl where ? = ?"),
-5096        ...     exp.to_identifier("str_col"), "b", tbl=exp.to_identifier("foo")
-5097        ... ).sql()
-5098        "SELECT * FROM foo WHERE str_col = 'b'"
-5099
-5100    Returns:
-5101        The mapped expression.
-5102    """
-5103
-5104    def _replace_placeholders(node, args, **kwargs):
-5105        if isinstance(node, Placeholder):
-5106            if node.name:
-5107                new_name = kwargs.get(node.name)
-5108                if new_name:
-5109                    return convert(new_name)
-5110            else:
-5111                try:
-5112                    return convert(next(args))
-5113                except StopIteration:
-5114                    pass
-5115        return node
-5116
-5117    return expression.transform(_replace_placeholders, iter(args), **kwargs)
+            
    5230def replace_placeholders(expression, *args, **kwargs):
+5231    """Replace placeholders in an expression.
+5232
+5233    Args:
+5234        expression (sqlglot.Expression): expression node to be transformed and replaced.
+5235        args: positional names that will substitute unnamed placeholders in the given order.
+5236        kwargs: keyword arguments that will substitute named placeholders.
+5237
+5238    Examples:
+5239        >>> from sqlglot import exp, parse_one
+5240        >>> replace_placeholders(
+5241        ...     parse_one("select * from :tbl where ? = ?"),
+5242        ...     exp.to_identifier("str_col"), "b", tbl=exp.to_identifier("foo")
+5243        ... ).sql()
+5244        "SELECT * FROM foo WHERE str_col = 'b'"
+5245
+5246    Returns:
+5247        The mapped expression.
+5248    """
+5249
+5250    def _replace_placeholders(node, args, **kwargs):
+5251        if isinstance(node, Placeholder):
+5252            if node.name:
+5253                new_name = kwargs.get(node.name)
+5254                if new_name:
+5255                    return convert(new_name)
+5256            else:
+5257                try:
+5258                    return convert(next(args))
+5259                except StopIteration:
+5260                    pass
+5261        return node
+5262
+5263    return expression.transform(_replace_placeholders, iter(args), **kwargs)
 
    
 
 
@@ -46063,39 +48390,39 @@ in order to help with type inference.
 
     
    
     
-            
    5120def expand(
-5121    expression: Expression, sources: t.Dict[str, Subqueryable], copy: bool = True
-5122) -> Expression:
-5123    """Transforms an expression by expanding all referenced sources into subqueries.
-5124
-5125    Examples:
-5126        >>> from sqlglot import parse_one
-5127        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql()
-5128        'SELECT * FROM (SELECT * FROM y) AS z /* source: x */'
-5129
-5130        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y"), "y": parse_one("select * from z")}).sql()
-5131        'SELECT * FROM (SELECT * FROM (SELECT * FROM z) AS y /* source: y */) AS z /* source: x */'
-5132
-5133    Args:
-5134        expression: The expression to expand.
-5135        sources: A dictionary of name to Subqueryables.
-5136        copy: Whether or not to copy the expression during transformation. Defaults to True.
-5137
-5138    Returns:
-5139        The transformed expression.
-5140    """
-5141
-5142    def _expand(node: Expression):
-5143        if isinstance(node, Table):
-5144            name = table_name(node)
-5145            source = sources.get(name)
-5146            if source:
-5147                subquery = source.subquery(node.alias or name)
-5148                subquery.comments = [f"source: {name}"]
-5149                return subquery.transform(_expand, copy=False)
-5150        return node
-5151
-5152    return expression.transform(_expand, copy=copy)
+            
    5266def expand(
+5267    expression: Expression, sources: t.Dict[str, Subqueryable], copy: bool = True
+5268) -> Expression:
+5269    """Transforms an expression by expanding all referenced sources into subqueries.
+5270
+5271    Examples:
+5272        >>> from sqlglot import parse_one
+5273        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql()
+5274        'SELECT * FROM (SELECT * FROM y) AS z /* source: x */'
+5275
+5276        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y"), "y": parse_one("select * from z")}).sql()
+5277        'SELECT * FROM (SELECT * FROM (SELECT * FROM z) AS y /* source: y */) AS z /* source: x */'
+5278
+5279    Args:
+5280        expression: The expression to expand.
+5281        sources: A dictionary of name to Subqueryables.
+5282        copy: Whether or not to copy the expression during transformation. Defaults to True.
+5283
+5284    Returns:
+5285        The transformed expression.
+5286    """
+5287
+5288    def _expand(node: Expression):
+5289        if isinstance(node, Table):
+5290            name = table_name(node)
+5291            source = sources.get(name)
+5292            if source:
+5293                subquery = source.subquery(node.alias or name)
+5294                subquery.comments = [f"source: {name}"]
+5295                return subquery.transform(_expand, copy=False)
+5296        return node
+5297
+5298    return expression.transform(_expand, copy=copy)
 
    
 
 
@@ -46146,51 +48473,51 @@ in order to help with type inference.
 
     
    
     
-            
    5155def func(name: str, *args, dialect: DialectType = None, **kwargs) -> Func:
-5156    """
-5157    Returns a Func expression.
-5158
-5159    Examples:
-5160        >>> func("abs", 5).sql()
-5161        'ABS(5)'
-5162
-5163        >>> func("cast", this=5, to=DataType.build("DOUBLE")).sql()
-5164        'CAST(5 AS DOUBLE)'
-5165
-5166    Args:
-5167        name: the name of the function to build.
-5168        args: the args used to instantiate the function of interest.
-5169        dialect: the source dialect.
-5170        kwargs: the kwargs used to instantiate the function of interest.
-5171
-5172    Note:
-5173        The arguments `args` and `kwargs` are mutually exclusive.
-5174
-5175    Returns:
-5176        An instance of the function of interest, or an anonymous function, if `name` doesn't
-5177        correspond to an existing `sqlglot.expressions.Func` class.
-5178    """
-5179    if args and kwargs:
-5180        raise ValueError("Can't use both args and kwargs to instantiate a function.")
-5181
-5182    from sqlglot.dialects.dialect import Dialect
-5183
-5184    converted = [convert(arg) for arg in args]
-5185    kwargs = {key: convert(value) for key, value in kwargs.items()}
-5186
-5187    parser = Dialect.get_or_raise(dialect)().parser()
-5188    from_args_list = parser.FUNCTIONS.get(name.upper())
-5189
-5190    if from_args_list:
-5191        function = from_args_list(converted) if converted else from_args_list.__self__(**kwargs)  # type: ignore
-5192    else:
-5193        kwargs = kwargs or {"expressions": converted}
-5194        function = Anonymous(this=name, **kwargs)
-5195
-5196    for error_message in function.error_messages(converted):
-5197        raise ValueError(error_message)
-5198
-5199    return function
+            
    5301def func(name: str, *args, dialect: DialectType = None, **kwargs) -> Func:
+5302    """
+5303    Returns a Func expression.
+5304
+5305    Examples:
+5306        >>> func("abs", 5).sql()
+5307        'ABS(5)'
+5308
+5309        >>> func("cast", this=5, to=DataType.build("DOUBLE")).sql()
+5310        'CAST(5 AS DOUBLE)'
+5311
+5312    Args:
+5313        name: the name of the function to build.
+5314        args: the args used to instantiate the function of interest.
+5315        dialect: the source dialect.
+5316        kwargs: the kwargs used to instantiate the function of interest.
+5317
+5318    Note:
+5319        The arguments `args` and `kwargs` are mutually exclusive.
+5320
+5321    Returns:
+5322        An instance of the function of interest, or an anonymous function, if `name` doesn't
+5323        correspond to an existing `sqlglot.expressions.Func` class.
+5324    """
+5325    if args and kwargs:
+5326        raise ValueError("Can't use both args and kwargs to instantiate a function.")
+5327
+5328    from sqlglot.dialects.dialect import Dialect
+5329
+5330    converted: t.List[Expression] = [maybe_parse(arg, dialect=dialect) for arg in args]
+5331    kwargs = {key: maybe_parse(value, dialect=dialect) for key, value in kwargs.items()}
+5332
+5333    parser = Dialect.get_or_raise(dialect)().parser()
+5334    from_args_list = parser.FUNCTIONS.get(name.upper())
+5335
+5336    if from_args_list:
+5337        function = from_args_list(converted) if converted else from_args_list.__self__(**kwargs)  # type: ignore
+5338    else:
+5339        kwargs = kwargs or {"expressions": converted}
+5340        function = Anonymous(this=name, **kwargs)
+5341
+5342    for error_message in function.error_messages(converted):
+5343        raise ValueError(error_message)
+5344
+5345    return function
 
    
 
 
@@ -46248,11 +48575,11 @@ in order to help with type inference.
 
     
    
     
-            
    5202def true():
-5203    """
-5204    Returns a true Boolean expression.
-5205    """
-5206    return Boolean(this=True)
+            
    5348def true():
+5349    """
+5350    Returns a true Boolean expression.
+5351    """
+5352    return Boolean(this=True)
 
    
 
 
@@ -46272,11 +48599,11 @@ in order to help with type inference.
 
     
    
     
-            
    5209def false():
-5210    """
-5211    Returns a false Boolean expression.
-5212    """
-5213    return Boolean(this=False)
+            
    5355def false():
+5356    """
+5357    Returns a false Boolean expression.
+5358    """
+5359    return Boolean(this=False)
 
    
 
 
@@ -46296,11 +48623,11 @@ in order to help with type inference.
 
     
    
     
-            
    5216def null():
-5217    """
-5218    Returns a Null expression.
-5219    """
-5220    return Null()
+            
    5362def null():
+5363    """
+5364    Returns a Null expression.
+5365    """
+5366    return Null()
 
    
 
 
diff --git a/docs/sqlglot/generator.html b/docs/sqlglot/generator.html
index 8287b3f..652f77d 100644
--- a/docs/sqlglot/generator.html
+++ b/docs/sqlglot/generator.html
@@ -394,7 +394,7 @@
                                 partition_by_sql
                         
                         
  • 
-                                window_spec_sql
+                                windowspec_sql
                         
    • 
                         
  • 
                                 withingroup_sql
@@ -420,6 +420,9 @@
                         
  • 
                                 constraint_sql
                         
    • 
+                        
  • 
+                                nextvaluefor_sql
+                        
    • 
                         
  • 
                                 extract_sql
                         
    • 
@@ -1257,7 +1260,7 @@
      524
  525    def columnconstraint_sql(self, expression: exp.ColumnConstraint) -> str:
  526        this = self.sql(expression, "this")
- 527        kind_sql = self.sql(expression, "kind")
+ 527        kind_sql = self.sql(expression, "kind").strip()
  528        return f"CONSTRAINT {this} {kind_sql}" if this else kind_sql
  529
  530    def autoincrementcolumnconstraint_sql(self, _) -> str:
@@ -1848,1056 +1851,1069 @@
 1115
 1116        return f"{table}{system_time}{alias}{hints}{laterals}{joins}{pivots}"
 1117
-1118    def tablesample_sql(self, expression: exp.TableSample, seed_prefix: str = "SEED") -> str:
-1119        if self.alias_post_tablesample and expression.this.alias:
-1120            this = self.sql(expression.this, "this")
-1121            alias = f" AS {self.sql(expression.this, 'alias')}"
-1122        else:
-1123            this = self.sql(expression, "this")
-1124            alias = ""
-1125        method = self.sql(expression, "method")
-1126        method = f"{method.upper()} " if method and self.TABLESAMPLE_WITH_METHOD else ""
-1127        numerator = self.sql(expression, "bucket_numerator")
-1128        denominator = self.sql(expression, "bucket_denominator")
-1129        field = self.sql(expression, "bucket_field")
-1130        field = f" ON {field}" if field else ""
-1131        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
-1132        percent = self.sql(expression, "percent")
-1133        percent = f"{percent} PERCENT" if percent else ""
-1134        rows = self.sql(expression, "rows")
-1135        rows = f"{rows} ROWS" if rows else ""
-1136        size = self.sql(expression, "size")
-1137        if size and self.TABLESAMPLE_SIZE_IS_PERCENT:
-1138            size = f"{size} PERCENT"
-1139        seed = self.sql(expression, "seed")
-1140        seed = f" {seed_prefix} ({seed})" if seed else ""
-1141        kind = expression.args.get("kind", "TABLESAMPLE")
-1142        return f"{this} {kind} {method}({bucket}{percent}{rows}{size}){seed}{alias}"
-1143
-1144    def pivot_sql(self, expression: exp.Pivot) -> str:
-1145        this = self.sql(expression, "this")
-1146        alias = self.sql(expression, "alias")
-1147        alias = f" AS {alias}" if alias else ""
-1148        unpivot = expression.args.get("unpivot")
-1149        direction = "UNPIVOT" if unpivot else "PIVOT"
-1150        expressions = self.expressions(expression, key="expressions")
-1151        field = self.sql(expression, "field")
-1152        return f"{this} {direction}({expressions} FOR {field}){alias}"
-1153
-1154    def tuple_sql(self, expression: exp.Tuple) -> str:
-1155        return f"({self.expressions(expression, flat=True)})"
-1156
-1157    def update_sql(self, expression: exp.Update) -> str:
-1158        this = self.sql(expression, "this")
-1159        set_sql = self.expressions(expression, flat=True)
-1160        from_sql = self.sql(expression, "from")
-1161        where_sql = self.sql(expression, "where")
-1162        returning = self.sql(expression, "returning")
-1163        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}{returning}"
-1164        return self.prepend_ctes(expression, sql)
-1165
-1166    def values_sql(self, expression: exp.Values) -> str:
-1167        args = self.expressions(expression)
-1168        alias = self.sql(expression, "alias")
-1169        values = f"VALUES{self.seg('')}{args}"
-1170        values = (
-1171            f"({values})"
-1172            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
-1173            else values
-1174        )
-1175        return f"{values} AS {alias}" if alias else values
-1176
-1177    def var_sql(self, expression: exp.Var) -> str:
-1178        return self.sql(expression, "this")
-1179
-1180    def into_sql(self, expression: exp.Into) -> str:
-1181        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
-1182        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
-1183        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
-1184
-1185    def from_sql(self, expression: exp.From) -> str:
-1186        expressions = self.expressions(expression, flat=True)
-1187        return f"{self.seg('FROM')} {expressions}"
-1188
-1189    def group_sql(self, expression: exp.Group) -> str:
-1190        group_by = self.op_expressions("GROUP BY", expression)
-1191        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
-1192        grouping_sets = (
-1193            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
-1194        )
-1195
-1196        cube = expression.args.get("cube", [])
-1197        if seq_get(cube, 0) is True:
-1198            return f"{group_by}{self.seg('WITH CUBE')}"
-1199        else:
-1200            cube_sql = self.expressions(expression, key="cube", indent=False)
-1201            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
-1202
-1203        rollup = expression.args.get("rollup", [])
-1204        if seq_get(rollup, 0) is True:
-1205            return f"{group_by}{self.seg('WITH ROLLUP')}"
-1206        else:
-1207            rollup_sql = self.expressions(expression, key="rollup", indent=False)
-1208            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
-1209
-1210        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
+1118    def tablesample_sql(
+1119        self, expression: exp.TableSample, seed_prefix: str = "SEED", sep=" AS "
+1120    ) -> str:
+1121        if self.alias_post_tablesample and expression.this.alias:
+1122            this = self.sql(expression.this, "this")
+1123            alias = f"{sep}{self.sql(expression.this, 'alias')}"
+1124        else:
+1125            this = self.sql(expression, "this")
+1126            alias = ""
+1127        method = self.sql(expression, "method")
+1128        method = f"{method.upper()} " if method and self.TABLESAMPLE_WITH_METHOD else ""
+1129        numerator = self.sql(expression, "bucket_numerator")
+1130        denominator = self.sql(expression, "bucket_denominator")
+1131        field = self.sql(expression, "bucket_field")
+1132        field = f" ON {field}" if field else ""
+1133        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
+1134        percent = self.sql(expression, "percent")
+1135        percent = f"{percent} PERCENT" if percent else ""
+1136        rows = self.sql(expression, "rows")
+1137        rows = f"{rows} ROWS" if rows else ""
+1138        size = self.sql(expression, "size")
+1139        if size and self.TABLESAMPLE_SIZE_IS_PERCENT:
+1140            size = f"{size} PERCENT"
+1141        seed = self.sql(expression, "seed")
+1142        seed = f" {seed_prefix} ({seed})" if seed else ""
+1143        kind = expression.args.get("kind", "TABLESAMPLE")
+1144        return f"{this} {kind} {method}({bucket}{percent}{rows}{size}){seed}{alias}"
+1145
+1146    def pivot_sql(self, expression: exp.Pivot) -> str:
+1147        this = self.sql(expression, "this")
+1148        alias = self.sql(expression, "alias")
+1149        alias = f" AS {alias}" if alias else ""
+1150        unpivot = expression.args.get("unpivot")
+1151        direction = "UNPIVOT" if unpivot else "PIVOT"
+1152        expressions = self.expressions(expression, key="expressions")
+1153        field = self.sql(expression, "field")
+1154        return f"{this} {direction}({expressions} FOR {field}){alias}"
+1155
+1156    def tuple_sql(self, expression: exp.Tuple) -> str:
+1157        return f"({self.expressions(expression, flat=True)})"
+1158
+1159    def update_sql(self, expression: exp.Update) -> str:
+1160        this = self.sql(expression, "this")
+1161        set_sql = self.expressions(expression, flat=True)
+1162        from_sql = self.sql(expression, "from")
+1163        where_sql = self.sql(expression, "where")
+1164        returning = self.sql(expression, "returning")
+1165        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}{returning}"
+1166        return self.prepend_ctes(expression, sql)
+1167
+1168    def values_sql(self, expression: exp.Values) -> str:
+1169        args = self.expressions(expression)
+1170        alias = self.sql(expression, "alias")
+1171        values = f"VALUES{self.seg('')}{args}"
+1172        values = (
+1173            f"({values})"
+1174            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
+1175            else values
+1176        )
+1177        return f"{values} AS {alias}" if alias else values
+1178
+1179    def var_sql(self, expression: exp.Var) -> str:
+1180        return self.sql(expression, "this")
+1181
+1182    def into_sql(self, expression: exp.Into) -> str:
+1183        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
+1184        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
+1185        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
+1186
+1187    def from_sql(self, expression: exp.From) -> str:
+1188        expressions = self.expressions(expression, flat=True)
+1189        return f"{self.seg('FROM')} {expressions}"
+1190
+1191    def group_sql(self, expression: exp.Group) -> str:
+1192        group_by = self.op_expressions("GROUP BY", expression)
+1193        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
+1194        grouping_sets = (
+1195            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
+1196        )
+1197
+1198        cube = expression.args.get("cube", [])
+1199        if seq_get(cube, 0) is True:
+1200            return f"{group_by}{self.seg('WITH CUBE')}"
+1201        else:
+1202            cube_sql = self.expressions(expression, key="cube", indent=False)
+1203            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
+1204
+1205        rollup = expression.args.get("rollup", [])
+1206        if seq_get(rollup, 0) is True:
+1207            return f"{group_by}{self.seg('WITH ROLLUP')}"
+1208        else:
+1209            rollup_sql = self.expressions(expression, key="rollup", indent=False)
+1210            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
 1211
-1212        if expression.args.get("expressions") and groupings:
-1213            group_by = f"{group_by},"
-1214
-1215        return f"{group_by}{groupings}"
+1212        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
+1213
+1214        if expression.args.get("expressions") and groupings:
+1215            group_by = f"{group_by},"
 1216
-1217    def having_sql(self, expression: exp.Having) -> str:
-1218        this = self.indent(self.sql(expression, "this"))
-1219        return f"{self.seg('HAVING')}{self.sep()}{this}"
-1220
-1221    def join_sql(self, expression: exp.Join) -> str:
-1222        op_sql = self.seg(
-1223            " ".join(
-1224                op
-1225                for op in (
-1226                    "NATURAL" if expression.args.get("natural") else None,
-1227                    expression.side,
-1228                    expression.kind,
-1229                    expression.hint if self.JOIN_HINTS else None,
-1230                    "JOIN",
-1231                )
-1232                if op
-1233            )
-1234        )
-1235        on_sql = self.sql(expression, "on")
-1236        using = expression.args.get("using")
-1237
-1238        if not on_sql and using:
-1239            on_sql = csv(*(self.sql(column) for column in using))
-1240
-1241        if on_sql:
-1242            on_sql = self.indent(on_sql, skip_first=True)
-1243            space = self.seg(" " * self.pad) if self.pretty else " "
-1244            if using:
-1245                on_sql = f"{space}USING ({on_sql})"
-1246            else:
-1247                on_sql = f"{space}ON {on_sql}"
-1248
-1249        expression_sql = self.sql(expression, "expression")
-1250        this_sql = self.sql(expression, "this")
-1251        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
-1252
-1253    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
-1254        args = self.expressions(expression, flat=True)
-1255        args = f"({args})" if len(args.split(",")) > 1 else args
-1256        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
-1257
-1258    def lateral_sql(self, expression: exp.Lateral) -> str:
-1259        this = self.sql(expression, "this")
-1260
-1261        if isinstance(expression.this, exp.Subquery):
-1262            return f"LATERAL {this}"
-1263
-1264        if expression.args.get("view"):
-1265            alias = expression.args["alias"]
-1266            columns = self.expressions(alias, key="columns", flat=True)
-1267            table = f" {alias.name}" if alias.name else ""
-1268            columns = f" AS {columns}" if columns else ""
-1269            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
-1270            return f"{op_sql}{self.sep()}{this}{table}{columns}"
-1271
-1272        alias = self.sql(expression, "alias")
-1273        alias = f" AS {alias}" if alias else ""
-1274        return f"LATERAL {this}{alias}"
-1275
-1276    def limit_sql(self, expression: exp.Limit) -> str:
-1277        this = self.sql(expression, "this")
-1278        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
-1279
-1280    def offset_sql(self, expression: exp.Offset) -> str:
-1281        this = self.sql(expression, "this")
-1282        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
-1283
-1284    def setitem_sql(self, expression: exp.SetItem) -> str:
-1285        kind = self.sql(expression, "kind")
-1286        kind = f"{kind} " if kind else ""
-1287        this = self.sql(expression, "this")
-1288        expressions = self.expressions(expression)
-1289        collate = self.sql(expression, "collate")
-1290        collate = f" COLLATE {collate}" if collate else ""
-1291        global_ = "GLOBAL " if expression.args.get("global") else ""
-1292        return f"{global_}{kind}{this}{expressions}{collate}"
-1293
-1294    def set_sql(self, expression: exp.Set) -> str:
-1295        expressions = (
-1296            f" {self.expressions(expression, flat=True)}" if expression.expressions else ""
-1297        )
-1298        return f"SET{expressions}"
-1299
-1300    def pragma_sql(self, expression: exp.Pragma) -> str:
-1301        return f"PRAGMA {self.sql(expression, 'this')}"
-1302
-1303    def lock_sql(self, expression: exp.Lock) -> str:
-1304        if self.LOCKING_READS_SUPPORTED:
-1305            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
-1306            return self.seg(f"FOR {lock_type}")
-1307
-1308        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
-1309        return ""
-1310
-1311    def literal_sql(self, expression: exp.Literal) -> str:
-1312        text = expression.this or ""
-1313        if expression.is_string:
-1314            text = text.replace(self.quote_end, self._escaped_quote_end)
-1315            if self.pretty:
-1316                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
-1317            text = f"{self.quote_start}{text}{self.quote_end}"
-1318        return text
-1319
-1320    def loaddata_sql(self, expression: exp.LoadData) -> str:
-1321        local = " LOCAL" if expression.args.get("local") else ""
-1322        inpath = f" INPATH {self.sql(expression, 'inpath')}"
-1323        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
-1324        this = f" INTO TABLE {self.sql(expression, 'this')}"
-1325        partition = self.sql(expression, "partition")
-1326        partition = f" {partition}" if partition else ""
-1327        input_format = self.sql(expression, "input_format")
-1328        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
-1329        serde = self.sql(expression, "serde")
-1330        serde = f" SERDE {serde}" if serde else ""
-1331        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
-1332
-1333    def null_sql(self, *_) -> str:
-1334        return "NULL"
-1335
-1336    def boolean_sql(self, expression: exp.Boolean) -> str:
-1337        return "TRUE" if expression.this else "FALSE"
-1338
-1339    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
-1340        this = self.sql(expression, "this")
-1341        this = f"{this} " if this else this
-1342        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
-1343
-1344    def cluster_sql(self, expression: exp.Cluster) -> str:
-1345        return self.op_expressions("CLUSTER BY", expression)
-1346
-1347    def distribute_sql(self, expression: exp.Distribute) -> str:
-1348        return self.op_expressions("DISTRIBUTE BY", expression)
-1349
-1350    def sort_sql(self, expression: exp.Sort) -> str:
-1351        return self.op_expressions("SORT BY", expression)
-1352
-1353    def ordered_sql(self, expression: exp.Ordered) -> str:
-1354        desc = expression.args.get("desc")
-1355        asc = not desc
-1356
-1357        nulls_first = expression.args.get("nulls_first")
-1358        nulls_last = not nulls_first
-1359        nulls_are_large = self.null_ordering == "nulls_are_large"
-1360        nulls_are_small = self.null_ordering == "nulls_are_small"
-1361        nulls_are_last = self.null_ordering == "nulls_are_last"
-1362
-1363        sort_order = " DESC" if desc else ""
-1364        nulls_sort_change = ""
-1365        if nulls_first and (
-1366            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
-1367        ):
-1368            nulls_sort_change = " NULLS FIRST"
-1369        elif (
-1370            nulls_last
-1371            and ((asc and nulls_are_small) or (desc and nulls_are_large))
-1372            and not nulls_are_last
-1373        ):
-1374            nulls_sort_change = " NULLS LAST"
-1375
-1376        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
-1377            self.unsupported(
-1378                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
-1379            )
-1380            nulls_sort_change = ""
-1381
-1382        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
+1217        return f"{group_by}{groupings}"
+1218
+1219    def having_sql(self, expression: exp.Having) -> str:
+1220        this = self.indent(self.sql(expression, "this"))
+1221        return f"{self.seg('HAVING')}{self.sep()}{this}"
+1222
+1223    def join_sql(self, expression: exp.Join) -> str:
+1224        op_sql = self.seg(
+1225            " ".join(
+1226                op
+1227                for op in (
+1228                    "NATURAL" if expression.args.get("natural") else None,
+1229                    expression.side,
+1230                    expression.kind,
+1231                    expression.hint if self.JOIN_HINTS else None,
+1232                    "JOIN",
+1233                )
+1234                if op
+1235            )
+1236        )
+1237        on_sql = self.sql(expression, "on")
+1238        using = expression.args.get("using")
+1239
+1240        if not on_sql and using:
+1241            on_sql = csv(*(self.sql(column) for column in using))
+1242
+1243        if on_sql:
+1244            on_sql = self.indent(on_sql, skip_first=True)
+1245            space = self.seg(" " * self.pad) if self.pretty else " "
+1246            if using:
+1247                on_sql = f"{space}USING ({on_sql})"
+1248            else:
+1249                on_sql = f"{space}ON {on_sql}"
+1250
+1251        expression_sql = self.sql(expression, "expression")
+1252        this_sql = self.sql(expression, "this")
+1253        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
+1254
+1255    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
+1256        args = self.expressions(expression, flat=True)
+1257        args = f"({args})" if len(args.split(",")) > 1 else args
+1258        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
+1259
+1260    def lateral_sql(self, expression: exp.Lateral) -> str:
+1261        this = self.sql(expression, "this")
+1262
+1263        if isinstance(expression.this, exp.Subquery):
+1264            return f"LATERAL {this}"
+1265
+1266        if expression.args.get("view"):
+1267            alias = expression.args["alias"]
+1268            columns = self.expressions(alias, key="columns", flat=True)
+1269            table = f" {alias.name}" if alias.name else ""
+1270            columns = f" AS {columns}" if columns else ""
+1271            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
+1272            return f"{op_sql}{self.sep()}{this}{table}{columns}"
+1273
+1274        alias = self.sql(expression, "alias")
+1275        alias = f" AS {alias}" if alias else ""
+1276        return f"LATERAL {this}{alias}"
+1277
+1278    def limit_sql(self, expression: exp.Limit) -> str:
+1279        this = self.sql(expression, "this")
+1280        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
+1281
+1282    def offset_sql(self, expression: exp.Offset) -> str:
+1283        this = self.sql(expression, "this")
+1284        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
+1285
+1286    def setitem_sql(self, expression: exp.SetItem) -> str:
+1287        kind = self.sql(expression, "kind")
+1288        kind = f"{kind} " if kind else ""
+1289        this = self.sql(expression, "this")
+1290        expressions = self.expressions(expression)
+1291        collate = self.sql(expression, "collate")
+1292        collate = f" COLLATE {collate}" if collate else ""
+1293        global_ = "GLOBAL " if expression.args.get("global") else ""
+1294        return f"{global_}{kind}{this}{expressions}{collate}"
+1295
+1296    def set_sql(self, expression: exp.Set) -> str:
+1297        expressions = (
+1298            f" {self.expressions(expression, flat=True)}" if expression.expressions else ""
+1299        )
+1300        return f"SET{expressions}"
+1301
+1302    def pragma_sql(self, expression: exp.Pragma) -> str:
+1303        return f"PRAGMA {self.sql(expression, 'this')}"
+1304
+1305    def lock_sql(self, expression: exp.Lock) -> str:
+1306        if self.LOCKING_READS_SUPPORTED:
+1307            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
+1308            return self.seg(f"FOR {lock_type}")
+1309
+1310        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
+1311        return ""
+1312
+1313    def literal_sql(self, expression: exp.Literal) -> str:
+1314        text = expression.this or ""
+1315        if expression.is_string:
+1316            text = text.replace(self.quote_end, self._escaped_quote_end)
+1317            if self.pretty:
+1318                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
+1319            text = f"{self.quote_start}{text}{self.quote_end}"
+1320        return text
+1321
+1322    def loaddata_sql(self, expression: exp.LoadData) -> str:
+1323        local = " LOCAL" if expression.args.get("local") else ""
+1324        inpath = f" INPATH {self.sql(expression, 'inpath')}"
+1325        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
+1326        this = f" INTO TABLE {self.sql(expression, 'this')}"
+1327        partition = self.sql(expression, "partition")
+1328        partition = f" {partition}" if partition else ""
+1329        input_format = self.sql(expression, "input_format")
+1330        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
+1331        serde = self.sql(expression, "serde")
+1332        serde = f" SERDE {serde}" if serde else ""
+1333        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
+1334
+1335    def null_sql(self, *_) -> str:
+1336        return "NULL"
+1337
+1338    def boolean_sql(self, expression: exp.Boolean) -> str:
+1339        return "TRUE" if expression.this else "FALSE"
+1340
+1341    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
+1342        this = self.sql(expression, "this")
+1343        this = f"{this} " if this else this
+1344        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
+1345
+1346    def cluster_sql(self, expression: exp.Cluster) -> str:
+1347        return self.op_expressions("CLUSTER BY", expression)
+1348
+1349    def distribute_sql(self, expression: exp.Distribute) -> str:
+1350        return self.op_expressions("DISTRIBUTE BY", expression)
+1351
+1352    def sort_sql(self, expression: exp.Sort) -> str:
+1353        return self.op_expressions("SORT BY", expression)
+1354
+1355    def ordered_sql(self, expression: exp.Ordered) -> str:
+1356        desc = expression.args.get("desc")
+1357        asc = not desc
+1358
+1359        nulls_first = expression.args.get("nulls_first")
+1360        nulls_last = not nulls_first
+1361        nulls_are_large = self.null_ordering == "nulls_are_large"
+1362        nulls_are_small = self.null_ordering == "nulls_are_small"
+1363        nulls_are_last = self.null_ordering == "nulls_are_last"
+1364
+1365        sort_order = " DESC" if desc else ""
+1366        nulls_sort_change = ""
+1367        if nulls_first and (
+1368            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
+1369        ):
+1370            nulls_sort_change = " NULLS FIRST"
+1371        elif (
+1372            nulls_last
+1373            and ((asc and nulls_are_small) or (desc and nulls_are_large))
+1374            and not nulls_are_last
+1375        ):
+1376            nulls_sort_change = " NULLS LAST"
+1377
+1378        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
+1379            self.unsupported(
+1380                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
+1381            )
+1382            nulls_sort_change = ""
 1383
-1384    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
-1385        partition = self.partition_by_sql(expression)
-1386        order = self.sql(expression, "order")
-1387        measures = self.expressions(expression, key="measures")
-1388        measures = self.seg(f"MEASURES{self.seg(measures)}") if measures else ""
-1389        rows = self.sql(expression, "rows")
-1390        rows = self.seg(rows) if rows else ""
-1391        after = self.sql(expression, "after")
-1392        after = self.seg(after) if after else ""
-1393        pattern = self.sql(expression, "pattern")
-1394        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
-1395        definition_sqls = [
-1396            f"{self.sql(definition, 'alias')} AS {self.sql(definition, 'this')}"
-1397            for definition in expression.args.get("define", [])
-1398        ]
-1399        definitions = self.expressions(sqls=definition_sqls)
-1400        define = self.seg(f"DEFINE{self.seg(definitions)}") if definitions else ""
-1401        body = "".join(
-1402            (
-1403                partition,
-1404                order,
-1405                measures,
-1406                rows,
-1407                after,
-1408                pattern,
-1409                define,
-1410            )
-1411        )
-1412        alias = self.sql(expression, "alias")
-1413        alias = f" {alias}" if alias else ""
-1414        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}{alias}"
-1415
-1416    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
-1417        limit = expression.args.get("limit")
-1418
-1419        if self.LIMIT_FETCH == "LIMIT" and isinstance(limit, exp.Fetch):
-1420            limit = exp.Limit(expression=limit.args.get("count"))
-1421        elif self.LIMIT_FETCH == "FETCH" and isinstance(limit, exp.Limit):
-1422            limit = exp.Fetch(direction="FIRST", count=limit.expression)
-1423
-1424        fetch = isinstance(limit, exp.Fetch)
+1384        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
+1385
+1386    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
+1387        partition = self.partition_by_sql(expression)
+1388        order = self.sql(expression, "order")
+1389        measures = self.expressions(expression, key="measures")
+1390        measures = self.seg(f"MEASURES{self.seg(measures)}") if measures else ""
+1391        rows = self.sql(expression, "rows")
+1392        rows = self.seg(rows) if rows else ""
+1393        after = self.sql(expression, "after")
+1394        after = self.seg(after) if after else ""
+1395        pattern = self.sql(expression, "pattern")
+1396        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
+1397        definition_sqls = [
+1398            f"{self.sql(definition, 'alias')} AS {self.sql(definition, 'this')}"
+1399            for definition in expression.args.get("define", [])
+1400        ]
+1401        definitions = self.expressions(sqls=definition_sqls)
+1402        define = self.seg(f"DEFINE{self.seg(definitions)}") if definitions else ""
+1403        body = "".join(
+1404            (
+1405                partition,
+1406                order,
+1407                measures,
+1408                rows,
+1409                after,
+1410                pattern,
+1411                define,
+1412            )
+1413        )
+1414        alias = self.sql(expression, "alias")
+1415        alias = f" {alias}" if alias else ""
+1416        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}{alias}"
+1417
+1418    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
+1419        limit = expression.args.get("limit")
+1420
+1421        if self.LIMIT_FETCH == "LIMIT" and isinstance(limit, exp.Fetch):
+1422            limit = exp.Limit(expression=limit.args.get("count"))
+1423        elif self.LIMIT_FETCH == "FETCH" and isinstance(limit, exp.Limit):
+1424            limit = exp.Fetch(direction="FIRST", count=limit.expression)
 1425
-1426        return csv(
-1427            *sqls,
-1428            *[self.sql(sql) for sql in expression.args.get("joins") or []],
-1429            self.sql(expression, "match"),
-1430            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
-1431            self.sql(expression, "where"),
-1432            self.sql(expression, "group"),
-1433            self.sql(expression, "having"),
-1434            self.sql(expression, "qualify"),
-1435            self.seg("WINDOW ") + self.expressions(expression, key="windows", flat=True)
-1436            if expression.args.get("windows")
-1437            else "",
-1438            self.sql(expression, "distribute"),
-1439            self.sql(expression, "sort"),
-1440            self.sql(expression, "cluster"),
-1441            self.sql(expression, "order"),
-1442            self.sql(expression, "offset") if fetch else self.sql(limit),
-1443            self.sql(limit) if fetch else self.sql(expression, "offset"),
-1444            self.sql(expression, "lock"),
-1445            self.sql(expression, "sample"),
-1446            sep="",
-1447        )
-1448
-1449    def select_sql(self, expression: exp.Select) -> str:
-1450        kind = expression.args.get("kind")
-1451        kind = f" AS {kind}" if kind else ""
-1452        hint = self.sql(expression, "hint")
-1453        distinct = self.sql(expression, "distinct")
-1454        distinct = f" {distinct}" if distinct else ""
-1455        expressions = self.expressions(expression)
-1456        expressions = f"{self.sep()}{expressions}" if expressions else expressions
-1457        sql = self.query_modifiers(
-1458            expression,
-1459            f"SELECT{kind}{hint}{distinct}{expressions}",
-1460            self.sql(expression, "into", comment=False),
-1461            self.sql(expression, "from", comment=False),
-1462        )
-1463        return self.prepend_ctes(expression, sql)
-1464
-1465    def schema_sql(self, expression: exp.Schema) -> str:
-1466        this = self.sql(expression, "this")
-1467        this = f"{this} " if this else ""
-1468        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
-1469        return f"{this}{sql}"
-1470
-1471    def star_sql(self, expression: exp.Star) -> str:
-1472        except_ = self.expressions(expression, key="except", flat=True)
-1473        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
-1474        replace = self.expressions(expression, key="replace", flat=True)
-1475        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
-1476        return f"*{except_}{replace}"
-1477
-1478    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
-1479        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
-1480
-1481    def parameter_sql(self, expression: exp.Parameter) -> str:
-1482        this = self.sql(expression, "this")
-1483        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
-1484        return f"{self.PARAMETER_TOKEN}{this}"
-1485
-1486    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
-1487        this = self.sql(expression, "this")
-1488        kind = expression.text("kind")
-1489        if kind:
-1490            kind = f"{kind}."
-1491        return f"@@{kind}{this}"
-1492
-1493    def placeholder_sql(self, expression: exp.Placeholder) -> str:
-1494        return f":{expression.name}" if expression.name else "?"
-1495
-1496    def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str:
-1497        alias = self.sql(expression, "alias")
-1498        alias = f"{sep}{alias}" if alias else ""
-1499
-1500        sql = self.query_modifiers(
-1501            expression,
-1502            self.wrap(expression),
-1503            alias,
-1504            self.expressions(expression, key="pivots", sep=" "),
-1505        )
-1506
-1507        return self.prepend_ctes(expression, sql)
+1426        fetch = isinstance(limit, exp.Fetch)
+1427
+1428        return csv(
+1429            *sqls,
+1430            *[self.sql(sql) for sql in expression.args.get("joins") or []],
+1431            self.sql(expression, "match"),
+1432            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
+1433            self.sql(expression, "where"),
+1434            self.sql(expression, "group"),
+1435            self.sql(expression, "having"),
+1436            self.sql(expression, "qualify"),
+1437            self.seg("WINDOW ") + self.expressions(expression, key="windows", flat=True)
+1438            if expression.args.get("windows")
+1439            else "",
+1440            self.sql(expression, "distribute"),
+1441            self.sql(expression, "sort"),
+1442            self.sql(expression, "cluster"),
+1443            self.sql(expression, "order"),
+1444            self.sql(expression, "offset") if fetch else self.sql(limit),
+1445            self.sql(limit) if fetch else self.sql(expression, "offset"),
+1446            self.sql(expression, "lock"),
+1447            self.sql(expression, "sample"),
+1448            sep="",
+1449        )
+1450
+1451    def select_sql(self, expression: exp.Select) -> str:
+1452        kind = expression.args.get("kind")
+1453        kind = f" AS {kind}" if kind else ""
+1454        hint = self.sql(expression, "hint")
+1455        distinct = self.sql(expression, "distinct")
+1456        distinct = f" {distinct}" if distinct else ""
+1457        expressions = self.expressions(expression)
+1458        expressions = f"{self.sep()}{expressions}" if expressions else expressions
+1459        sql = self.query_modifiers(
+1460            expression,
+1461            f"SELECT{kind}{hint}{distinct}{expressions}",
+1462            self.sql(expression, "into", comment=False),
+1463            self.sql(expression, "from", comment=False),
+1464        )
+1465        return self.prepend_ctes(expression, sql)
+1466
+1467    def schema_sql(self, expression: exp.Schema) -> str:
+1468        this = self.sql(expression, "this")
+1469        this = f"{this} " if this else ""
+1470        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
+1471        return f"{this}{sql}"
+1472
+1473    def star_sql(self, expression: exp.Star) -> str:
+1474        except_ = self.expressions(expression, key="except", flat=True)
+1475        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
+1476        replace = self.expressions(expression, key="replace", flat=True)
+1477        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
+1478        return f"*{except_}{replace}"
+1479
+1480    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
+1481        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
+1482
+1483    def parameter_sql(self, expression: exp.Parameter) -> str:
+1484        this = self.sql(expression, "this")
+1485        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
+1486        return f"{self.PARAMETER_TOKEN}{this}"
+1487
+1488    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
+1489        this = self.sql(expression, "this")
+1490        kind = expression.text("kind")
+1491        if kind:
+1492            kind = f"{kind}."
+1493        return f"@@{kind}{this}"
+1494
+1495    def placeholder_sql(self, expression: exp.Placeholder) -> str:
+1496        return f":{expression.name}" if expression.name else "?"
+1497
+1498    def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str:
+1499        alias = self.sql(expression, "alias")
+1500        alias = f"{sep}{alias}" if alias else ""
+1501
+1502        sql = self.query_modifiers(
+1503            expression,
+1504            self.wrap(expression),
+1505            alias,
+1506            self.expressions(expression, key="pivots", sep=" "),
+1507        )
 1508
-1509    def qualify_sql(self, expression: exp.Qualify) -> str:
-1510        this = self.indent(self.sql(expression, "this"))
-1511        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
-1512
-1513    def union_sql(self, expression: exp.Union) -> str:
-1514        return self.prepend_ctes(
-1515            expression,
-1516            self.set_operation(expression, self.union_op(expression)),
-1517        )
-1518
-1519    def union_op(self, expression: exp.Union) -> str:
-1520        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
-1521        kind = kind if expression.args.get("distinct") else " ALL"
-1522        return f"UNION{kind}"
-1523
-1524    def unnest_sql(self, expression: exp.Unnest) -> str:
-1525        args = self.expressions(expression, flat=True)
-1526        alias = expression.args.get("alias")
-1527        if alias and self.unnest_column_only:
-1528            columns = alias.columns
-1529            alias = self.sql(columns[0]) if columns else ""
-1530        else:
-1531            alias = self.sql(expression, "alias")
-1532        alias = f" AS {alias}" if alias else alias
-1533        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
-1534        offset = expression.args.get("offset")
-1535        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
-1536        return f"UNNEST({args}){ordinality}{alias}{offset}"
-1537
-1538    def where_sql(self, expression: exp.Where) -> str:
-1539        this = self.indent(self.sql(expression, "this"))
-1540        return f"{self.seg('WHERE')}{self.sep()}{this}"
-1541
-1542    def window_sql(self, expression: exp.Window) -> str:
-1543        this = self.sql(expression, "this")
-1544
-1545        partition = self.partition_by_sql(expression)
+1509        return self.prepend_ctes(expression, sql)
+1510
+1511    def qualify_sql(self, expression: exp.Qualify) -> str:
+1512        this = self.indent(self.sql(expression, "this"))
+1513        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
+1514
+1515    def union_sql(self, expression: exp.Union) -> str:
+1516        return self.prepend_ctes(
+1517            expression,
+1518            self.set_operation(expression, self.union_op(expression)),
+1519        )
+1520
+1521    def union_op(self, expression: exp.Union) -> str:
+1522        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
+1523        kind = kind if expression.args.get("distinct") else " ALL"
+1524        return f"UNION{kind}"
+1525
+1526    def unnest_sql(self, expression: exp.Unnest) -> str:
+1527        args = self.expressions(expression, flat=True)
+1528        alias = expression.args.get("alias")
+1529        if alias and self.unnest_column_only:
+1530            columns = alias.columns
+1531            alias = self.sql(columns[0]) if columns else ""
+1532        else:
+1533            alias = self.sql(expression, "alias")
+1534        alias = f" AS {alias}" if alias else alias
+1535        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
+1536        offset = expression.args.get("offset")
+1537        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
+1538        return f"UNNEST({args}){ordinality}{alias}{offset}"
+1539
+1540    def where_sql(self, expression: exp.Where) -> str:
+1541        this = self.indent(self.sql(expression, "this"))
+1542        return f"{self.seg('WHERE')}{self.sep()}{this}"
+1543
+1544    def window_sql(self, expression: exp.Window) -> str:
+1545        this = self.sql(expression, "this")
 1546
-1547        order = expression.args.get("order")
-1548        order_sql = self.order_sql(order, flat=True) if order else ""
-1549
-1550        partition_sql = partition + " " if partition and order else partition
+1547        partition = self.partition_by_sql(expression)
+1548
+1549        order = expression.args.get("order")
+1550        order_sql = self.order_sql(order, flat=True) if order else ""
 1551
-1552        spec = expression.args.get("spec")
-1553        spec_sql = " " + self.window_spec_sql(spec) if spec else ""
-1554
-1555        alias = self.sql(expression, "alias")
-1556        this = f"{this} {'AS' if expression.arg_key == 'windows' else 'OVER'}"
-1557
-1558        if not partition and not order and not spec and alias:
-1559            return f"{this} {alias}"
+1552        partition_sql = partition + " " if partition and order else partition
+1553
+1554        spec = expression.args.get("spec")
+1555        spec_sql = " " + self.windowspec_sql(spec) if spec else ""
+1556
+1557        alias = self.sql(expression, "alias")
+1558        over = self.sql(expression, "over") or "OVER"
+1559        this = f"{this} {'AS' if expression.arg_key == 'windows' else over}"
 1560
-1561        window_args = alias + partition_sql + order_sql + spec_sql
-1562
-1563        return f"{this} ({window_args.strip()})"
-1564
-1565    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
-1566        partition = self.expressions(expression, key="partition_by", flat=True)
-1567        return f"PARTITION BY {partition}" if partition else ""
+1561        first = expression.args.get("first")
+1562        if first is not None:
+1563            first = " FIRST " if first else " LAST "
+1564        first = first or ""
+1565
+1566        if not partition and not order and not spec and alias:
+1567            return f"{this} {alias}"
 1568
-1569    def window_spec_sql(self, expression: exp.WindowSpec) -> str:
-1570        kind = self.sql(expression, "kind")
-1571        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
-1572        end = (
-1573            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
-1574            or "CURRENT ROW"
-1575        )
-1576        return f"{kind} BETWEEN {start} AND {end}"
-1577
-1578    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
-1579        this = self.sql(expression, "this")
-1580        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
-1581        return f"{this} WITHIN GROUP ({expression_sql})"
-1582
-1583    def between_sql(self, expression: exp.Between) -> str:
-1584        this = self.sql(expression, "this")
-1585        low = self.sql(expression, "low")
-1586        high = self.sql(expression, "high")
-1587        return f"{this} BETWEEN {low} AND {high}"
-1588
-1589    def bracket_sql(self, expression: exp.Bracket) -> str:
-1590        expressions = apply_index_offset(expression.this, expression.expressions, self.index_offset)
-1591        expressions_sql = ", ".join(self.sql(e) for e in expressions)
-1592
-1593        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
-1594
-1595    def all_sql(self, expression: exp.All) -> str:
-1596        return f"ALL {self.wrap(expression)}"
-1597
-1598    def any_sql(self, expression: exp.Any) -> str:
-1599        this = self.sql(expression, "this")
-1600        if isinstance(expression.this, exp.Subqueryable):
-1601            this = self.wrap(this)
-1602        return f"ANY {this}"
-1603
-1604    def exists_sql(self, expression: exp.Exists) -> str:
-1605        return f"EXISTS{self.wrap(expression)}"
-1606
-1607    def case_sql(self, expression: exp.Case) -> str:
-1608        this = self.sql(expression, "this")
-1609        statements = [f"CASE {this}" if this else "CASE"]
-1610
-1611        for e in expression.args["ifs"]:
-1612            statements.append(f"WHEN {self.sql(e, 'this')}")
-1613            statements.append(f"THEN {self.sql(e, 'true')}")
+1569        window_args = alias + first + partition_sql + order_sql + spec_sql
+1570
+1571        return f"{this} ({window_args.strip()})"
+1572
+1573    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
+1574        partition = self.expressions(expression, key="partition_by", flat=True)
+1575        return f"PARTITION BY {partition}" if partition else ""
+1576
+1577    def windowspec_sql(self, expression: exp.WindowSpec) -> str:
+1578        kind = self.sql(expression, "kind")
+1579        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
+1580        end = (
+1581            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
+1582            or "CURRENT ROW"
+1583        )
+1584        return f"{kind} BETWEEN {start} AND {end}"
+1585
+1586    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
+1587        this = self.sql(expression, "this")
+1588        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
+1589        return f"{this} WITHIN GROUP ({expression_sql})"
+1590
+1591    def between_sql(self, expression: exp.Between) -> str:
+1592        this = self.sql(expression, "this")
+1593        low = self.sql(expression, "low")
+1594        high = self.sql(expression, "high")
+1595        return f"{this} BETWEEN {low} AND {high}"
+1596
+1597    def bracket_sql(self, expression: exp.Bracket) -> str:
+1598        expressions = apply_index_offset(expression.this, expression.expressions, self.index_offset)
+1599        expressions_sql = ", ".join(self.sql(e) for e in expressions)
+1600
+1601        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
+1602
+1603    def all_sql(self, expression: exp.All) -> str:
+1604        return f"ALL {self.wrap(expression)}"
+1605
+1606    def any_sql(self, expression: exp.Any) -> str:
+1607        this = self.sql(expression, "this")
+1608        if isinstance(expression.this, exp.Subqueryable):
+1609            this = self.wrap(this)
+1610        return f"ANY {this}"
+1611
+1612    def exists_sql(self, expression: exp.Exists) -> str:
+1613        return f"EXISTS{self.wrap(expression)}"
 1614
-1615        default = self.sql(expression, "default")
-1616
-1617        if default:
-1618            statements.append(f"ELSE {default}")
-1619
-1620        statements.append("END")
-1621
-1622        if self.pretty and self.text_width(statements) > self._max_text_width:
-1623            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+1615    def case_sql(self, expression: exp.Case) -> str:
+1616        this = self.sql(expression, "this")
+1617        statements = [f"CASE {this}" if this else "CASE"]
+1618
+1619        for e in expression.args["ifs"]:
+1620            statements.append(f"WHEN {self.sql(e, 'this')}")
+1621            statements.append(f"THEN {self.sql(e, 'true')}")
+1622
+1623        default = self.sql(expression, "default")
 1624
-1625        return " ".join(statements)
-1626
-1627    def constraint_sql(self, expression: exp.Constraint) -> str:
-1628        this = self.sql(expression, "this")
-1629        expressions = self.expressions(expression, flat=True)
-1630        return f"CONSTRAINT {this} {expressions}"
-1631
-1632    def extract_sql(self, expression: exp.Extract) -> str:
-1633        this = self.sql(expression, "this")
-1634        expression_sql = self.sql(expression, "expression")
-1635        return f"EXTRACT({this} FROM {expression_sql})"
-1636
-1637    def trim_sql(self, expression: exp.Trim) -> str:
-1638        trim_type = self.sql(expression, "position")
+1625        if default:
+1626            statements.append(f"ELSE {default}")
+1627
+1628        statements.append("END")
+1629
+1630        if self.pretty and self.text_width(statements) > self._max_text_width:
+1631            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+1632
+1633        return " ".join(statements)
+1634
+1635    def constraint_sql(self, expression: exp.Constraint) -> str:
+1636        this = self.sql(expression, "this")
+1637        expressions = self.expressions(expression, flat=True)
+1638        return f"CONSTRAINT {this} {expressions}"
 1639
-1640        if trim_type == "LEADING":
-1641            return self.func("LTRIM", expression.this)
-1642        elif trim_type == "TRAILING":
-1643            return self.func("RTRIM", expression.this)
-1644        else:
-1645            return self.func("TRIM", expression.this, expression.expression)
-1646
-1647    def concat_sql(self, expression: exp.Concat) -> str:
-1648        if len(expression.expressions) == 1:
-1649            return self.sql(expression.expressions[0])
-1650        return self.function_fallback_sql(expression)
-1651
-1652    def check_sql(self, expression: exp.Check) -> str:
-1653        this = self.sql(expression, key="this")
-1654        return f"CHECK ({this})"
-1655
-1656    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
-1657        expressions = self.expressions(expression, flat=True)
-1658        reference = self.sql(expression, "reference")
-1659        reference = f" {reference}" if reference else ""
-1660        delete = self.sql(expression, "delete")
-1661        delete = f" ON DELETE {delete}" if delete else ""
-1662        update = self.sql(expression, "update")
-1663        update = f" ON UPDATE {update}" if update else ""
-1664        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
-1665
-1666    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
-1667        expressions = self.expressions(expression, flat=True)
-1668        options = self.expressions(expression, key="options", flat=True, sep=" ")
-1669        options = f" {options}" if options else ""
-1670        return f"PRIMARY KEY ({expressions}){options}"
-1671
-1672    def unique_sql(self, expression: exp.Unique) -> str:
-1673        columns = self.expressions(expression, key="expressions")
-1674        return f"UNIQUE ({columns})"
-1675
-1676    def if_sql(self, expression: exp.If) -> str:
-1677        return self.case_sql(
-1678            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
-1679        )
-1680
-1681    def matchagainst_sql(self, expression: exp.MatchAgainst) -> str:
-1682        modifier = expression.args.get("modifier")
-1683        modifier = f" {modifier}" if modifier else ""
-1684        return f"{self.func('MATCH', *expression.expressions)} AGAINST({self.sql(expression, 'this')}{modifier})"
-1685
-1686    def jsonkeyvalue_sql(self, expression: exp.JSONKeyValue) -> str:
-1687        return f"{self.sql(expression, 'this')}: {self.sql(expression, 'expression')}"
+1640    def nextvaluefor_sql(self, expression: exp.NextValueFor) -> str:
+1641        order = expression.args.get("order")
+1642        order = f" OVER ({self.order_sql(order, flat=True)})" if order else ""
+1643        return f"NEXT VALUE FOR {self.sql(expression, 'this')}{order}"
+1644
+1645    def extract_sql(self, expression: exp.Extract) -> str:
+1646        this = self.sql(expression, "this")
+1647        expression_sql = self.sql(expression, "expression")
+1648        return f"EXTRACT({this} FROM {expression_sql})"
+1649
+1650    def trim_sql(self, expression: exp.Trim) -> str:
+1651        trim_type = self.sql(expression, "position")
+1652
+1653        if trim_type == "LEADING":
+1654            return self.func("LTRIM", expression.this)
+1655        elif trim_type == "TRAILING":
+1656            return self.func("RTRIM", expression.this)
+1657        else:
+1658            return self.func("TRIM", expression.this, expression.expression)
+1659
+1660    def concat_sql(self, expression: exp.Concat) -> str:
+1661        if len(expression.expressions) == 1:
+1662            return self.sql(expression.expressions[0])
+1663        return self.function_fallback_sql(expression)
+1664
+1665    def check_sql(self, expression: exp.Check) -> str:
+1666        this = self.sql(expression, key="this")
+1667        return f"CHECK ({this})"
+1668
+1669    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
+1670        expressions = self.expressions(expression, flat=True)
+1671        reference = self.sql(expression, "reference")
+1672        reference = f" {reference}" if reference else ""
+1673        delete = self.sql(expression, "delete")
+1674        delete = f" ON DELETE {delete}" if delete else ""
+1675        update = self.sql(expression, "update")
+1676        update = f" ON UPDATE {update}" if update else ""
+1677        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
+1678
+1679    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
+1680        expressions = self.expressions(expression, flat=True)
+1681        options = self.expressions(expression, key="options", flat=True, sep=" ")
+1682        options = f" {options}" if options else ""
+1683        return f"PRIMARY KEY ({expressions}){options}"
+1684
+1685    def unique_sql(self, expression: exp.Unique) -> str:
+1686        columns = self.expressions(expression, key="expressions")
+1687        return f"UNIQUE ({columns})"
 1688
-1689    def jsonobject_sql(self, expression: exp.JSONObject) -> str:
-1690        expressions = self.expressions(expression)
-1691        null_handling = expression.args.get("null_handling")
-1692        null_handling = f" {null_handling}" if null_handling else ""
-1693        unique_keys = expression.args.get("unique_keys")
-1694        if unique_keys is not None:
-1695            unique_keys = f" {'WITH' if unique_keys else 'WITHOUT'} UNIQUE KEYS"
-1696        else:
-1697            unique_keys = ""
-1698        return_type = self.sql(expression, "return_type")
-1699        return_type = f" RETURNING {return_type}" if return_type else ""
-1700        format_json = " FORMAT JSON" if expression.args.get("format_json") else ""
-1701        encoding = self.sql(expression, "encoding")
-1702        encoding = f" ENCODING {encoding}" if encoding else ""
-1703        return f"JSON_OBJECT({expressions}{null_handling}{unique_keys}{return_type}{format_json}{encoding})"
-1704
-1705    def in_sql(self, expression: exp.In) -> str:
-1706        query = expression.args.get("query")
-1707        unnest = expression.args.get("unnest")
-1708        field = expression.args.get("field")
-1709        is_global = " GLOBAL" if expression.args.get("is_global") else ""
-1710
-1711        if query:
-1712            in_sql = self.wrap(query)
-1713        elif unnest:
-1714            in_sql = self.in_unnest_op(unnest)
-1715        elif field:
-1716            in_sql = self.sql(field)
-1717        else:
-1718            in_sql = f"({self.expressions(expression, flat=True)})"
-1719
-1720        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
-1721
-1722    def in_unnest_op(self, unnest: exp.Unnest) -> str:
-1723        return f"(SELECT {self.sql(unnest)})"
-1724
-1725    def interval_sql(self, expression: exp.Interval) -> str:
-1726        unit = self.sql(expression, "unit")
-1727        if not self.INTERVAL_ALLOWS_PLURAL_FORM:
-1728            unit = self.TIME_PART_SINGULARS.get(unit.lower(), unit)
-1729        unit = f" {unit}" if unit else ""
-1730
-1731        if self.SINGLE_STRING_INTERVAL:
-1732            this = expression.this.name if expression.this else ""
-1733            return f"INTERVAL '{this}{unit}'"
+1689    def if_sql(self, expression: exp.If) -> str:
+1690        return self.case_sql(
+1691            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
+1692        )
+1693
+1694    def matchagainst_sql(self, expression: exp.MatchAgainst) -> str:
+1695        modifier = expression.args.get("modifier")
+1696        modifier = f" {modifier}" if modifier else ""
+1697        return f"{self.func('MATCH', *expression.expressions)} AGAINST({self.sql(expression, 'this')}{modifier})"
+1698
+1699    def jsonkeyvalue_sql(self, expression: exp.JSONKeyValue) -> str:
+1700        return f"{self.sql(expression, 'this')}: {self.sql(expression, 'expression')}"
+1701
+1702    def jsonobject_sql(self, expression: exp.JSONObject) -> str:
+1703        expressions = self.expressions(expression)
+1704        null_handling = expression.args.get("null_handling")
+1705        null_handling = f" {null_handling}" if null_handling else ""
+1706        unique_keys = expression.args.get("unique_keys")
+1707        if unique_keys is not None:
+1708            unique_keys = f" {'WITH' if unique_keys else 'WITHOUT'} UNIQUE KEYS"
+1709        else:
+1710            unique_keys = ""
+1711        return_type = self.sql(expression, "return_type")
+1712        return_type = f" RETURNING {return_type}" if return_type else ""
+1713        format_json = " FORMAT JSON" if expression.args.get("format_json") else ""
+1714        encoding = self.sql(expression, "encoding")
+1715        encoding = f" ENCODING {encoding}" if encoding else ""
+1716        return f"JSON_OBJECT({expressions}{null_handling}{unique_keys}{return_type}{format_json}{encoding})"
+1717
+1718    def in_sql(self, expression: exp.In) -> str:
+1719        query = expression.args.get("query")
+1720        unnest = expression.args.get("unnest")
+1721        field = expression.args.get("field")
+1722        is_global = " GLOBAL" if expression.args.get("is_global") else ""
+1723
+1724        if query:
+1725            in_sql = self.wrap(query)
+1726        elif unnest:
+1727            in_sql = self.in_unnest_op(unnest)
+1728        elif field:
+1729            in_sql = self.sql(field)
+1730        else:
+1731            in_sql = f"({self.expressions(expression, flat=True)})"
+1732
+1733        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
 1734
-1735        this = self.sql(expression, "this")
-1736        if this:
-1737            unwrapped = isinstance(expression.this, self.UNWRAPPED_INTERVAL_VALUES)
-1738            this = f" {this}" if unwrapped else f" ({this})"
-1739
-1740        return f"INTERVAL{this}{unit}"
-1741
-1742    def return_sql(self, expression: exp.Return) -> str:
-1743        return f"RETURN {self.sql(expression, 'this')}"
-1744
-1745    def reference_sql(self, expression: exp.Reference) -> str:
-1746        this = self.sql(expression, "this")
-1747        expressions = self.expressions(expression, flat=True)
-1748        expressions = f"({expressions})" if expressions else ""
-1749        options = self.expressions(expression, key="options", flat=True, sep=" ")
-1750        options = f" {options}" if options else ""
-1751        return f"REFERENCES {this}{expressions}{options}"
+1735    def in_unnest_op(self, unnest: exp.Unnest) -> str:
+1736        return f"(SELECT {self.sql(unnest)})"
+1737
+1738    def interval_sql(self, expression: exp.Interval) -> str:
+1739        unit = self.sql(expression, "unit")
+1740        if not self.INTERVAL_ALLOWS_PLURAL_FORM:
+1741            unit = self.TIME_PART_SINGULARS.get(unit.lower(), unit)
+1742        unit = f" {unit}" if unit else ""
+1743
+1744        if self.SINGLE_STRING_INTERVAL:
+1745            this = expression.this.name if expression.this else ""
+1746            return f"INTERVAL '{this}{unit}'"
+1747
+1748        this = self.sql(expression, "this")
+1749        if this:
+1750            unwrapped = isinstance(expression.this, self.UNWRAPPED_INTERVAL_VALUES)
+1751            this = f" {this}" if unwrapped else f" ({this})"
 1752
-1753    def anonymous_sql(self, expression: exp.Anonymous) -> str:
-1754        return self.func(expression.name, *expression.expressions)
-1755
-1756    def paren_sql(self, expression: exp.Paren) -> str:
-1757        if isinstance(expression.unnest(), exp.Select):
-1758            sql = self.wrap(expression)
-1759        else:
-1760            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
-1761            sql = f"({sql}{self.seg(')', sep='')}"
-1762
-1763        return self.prepend_ctes(expression, sql)
-1764
-1765    def neg_sql(self, expression: exp.Neg) -> str:
-1766        # This makes sure we don't convert "- - 5" to "--5", which is a comment
-1767        this_sql = self.sql(expression, "this")
-1768        sep = " " if this_sql[0] == "-" else ""
-1769        return f"-{sep}{this_sql}"
-1770
-1771    def not_sql(self, expression: exp.Not) -> str:
-1772        return f"NOT {self.sql(expression, 'this')}"
-1773
-1774    def alias_sql(self, expression: exp.Alias) -> str:
-1775        alias = self.sql(expression, "alias")
-1776        alias = f" AS {alias}" if alias else ""
-1777        return f"{self.sql(expression, 'this')}{alias}"
-1778
-1779    def aliases_sql(self, expression: exp.Aliases) -> str:
-1780        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
-1781
-1782    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
-1783        this = self.sql(expression, "this")
-1784        zone = self.sql(expression, "zone")
-1785        return f"{this} AT TIME ZONE {zone}"
+1753        return f"INTERVAL{this}{unit}"
+1754
+1755    def return_sql(self, expression: exp.Return) -> str:
+1756        return f"RETURN {self.sql(expression, 'this')}"
+1757
+1758    def reference_sql(self, expression: exp.Reference) -> str:
+1759        this = self.sql(expression, "this")
+1760        expressions = self.expressions(expression, flat=True)
+1761        expressions = f"({expressions})" if expressions else ""
+1762        options = self.expressions(expression, key="options", flat=True, sep=" ")
+1763        options = f" {options}" if options else ""
+1764        return f"REFERENCES {this}{expressions}{options}"
+1765
+1766    def anonymous_sql(self, expression: exp.Anonymous) -> str:
+1767        return self.func(expression.name, *expression.expressions)
+1768
+1769    def paren_sql(self, expression: exp.Paren) -> str:
+1770        if isinstance(expression.unnest(), exp.Select):
+1771            sql = self.wrap(expression)
+1772        else:
+1773            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
+1774            sql = f"({sql}{self.seg(')', sep='')}"
+1775
+1776        return self.prepend_ctes(expression, sql)
+1777
+1778    def neg_sql(self, expression: exp.Neg) -> str:
+1779        # This makes sure we don't convert "- - 5" to "--5", which is a comment
+1780        this_sql = self.sql(expression, "this")
+1781        sep = " " if this_sql[0] == "-" else ""
+1782        return f"-{sep}{this_sql}"
+1783
+1784    def not_sql(self, expression: exp.Not) -> str:
+1785        return f"NOT {self.sql(expression, 'this')}"
 1786
-1787    def add_sql(self, expression: exp.Add) -> str:
-1788        return self.binary(expression, "+")
-1789
-1790    def and_sql(self, expression: exp.And) -> str:
-1791        return self.connector_sql(expression, "AND")
-1792
-1793    def connector_sql(self, expression: exp.Connector, op: str) -> str:
-1794        if not self.pretty:
-1795            return self.binary(expression, op)
-1796
-1797        sqls = tuple(
-1798            self.maybe_comment(self.sql(e), e, e.parent.comments) if i != 1 else self.sql(e)
-1799            for i, e in enumerate(expression.flatten(unnest=False))
-1800        )
-1801
-1802        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
-1803        return f"{sep}{op} ".join(sqls)
-1804
-1805    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
-1806        return self.binary(expression, "&")
-1807
-1808    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
-1809        return self.binary(expression, "<<")
-1810
-1811    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
-1812        return f"~{self.sql(expression, 'this')}"
-1813
-1814    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
-1815        return self.binary(expression, "|")
-1816
-1817    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
-1818        return self.binary(expression, ">>")
-1819
-1820    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
-1821        return self.binary(expression, "^")
-1822
-1823    def cast_sql(self, expression: exp.Cast) -> str:
-1824        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
-1825
-1826    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
-1827        zone = self.sql(expression, "this")
-1828        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
+1787    def alias_sql(self, expression: exp.Alias) -> str:
+1788        alias = self.sql(expression, "alias")
+1789        alias = f" AS {alias}" if alias else ""
+1790        return f"{self.sql(expression, 'this')}{alias}"
+1791
+1792    def aliases_sql(self, expression: exp.Aliases) -> str:
+1793        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
+1794
+1795    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
+1796        this = self.sql(expression, "this")
+1797        zone = self.sql(expression, "zone")
+1798        return f"{this} AT TIME ZONE {zone}"
+1799
+1800    def add_sql(self, expression: exp.Add) -> str:
+1801        return self.binary(expression, "+")
+1802
+1803    def and_sql(self, expression: exp.And) -> str:
+1804        return self.connector_sql(expression, "AND")
+1805
+1806    def connector_sql(self, expression: exp.Connector, op: str) -> str:
+1807        if not self.pretty:
+1808            return self.binary(expression, op)
+1809
+1810        sqls = tuple(
+1811            self.maybe_comment(self.sql(e), e, e.parent.comments) if i != 1 else self.sql(e)
+1812            for i, e in enumerate(expression.flatten(unnest=False))
+1813        )
+1814
+1815        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
+1816        return f"{sep}{op} ".join(sqls)
+1817
+1818    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
+1819        return self.binary(expression, "&")
+1820
+1821    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
+1822        return self.binary(expression, "<<")
+1823
+1824    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
+1825        return f"~{self.sql(expression, 'this')}"
+1826
+1827    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
+1828        return self.binary(expression, "|")
 1829
-1830    def collate_sql(self, expression: exp.Collate) -> str:
-1831        return self.binary(expression, "COLLATE")
+1830    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
+1831        return self.binary(expression, ">>")
 1832
-1833    def command_sql(self, expression: exp.Command) -> str:
-1834        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
+1833    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
+1834        return self.binary(expression, "^")
 1835
-1836    def comment_sql(self, expression: exp.Comment) -> str:
-1837        this = self.sql(expression, "this")
-1838        kind = expression.args["kind"]
-1839        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
-1840        expression_sql = self.sql(expression, "expression")
-1841        return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}"
+1836    def cast_sql(self, expression: exp.Cast) -> str:
+1837        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+1838
+1839    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
+1840        zone = self.sql(expression, "this")
+1841        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
 1842
-1843    def transaction_sql(self, expression: exp.Transaction) -> str:
-1844        return "BEGIN"
+1843    def collate_sql(self, expression: exp.Collate) -> str:
+1844        return self.binary(expression, "COLLATE")
 1845
-1846    def commit_sql(self, expression: exp.Commit) -> str:
-1847        chain = expression.args.get("chain")
-1848        if chain is not None:
-1849            chain = " AND CHAIN" if chain else " AND NO CHAIN"
-1850
-1851        return f"COMMIT{chain or ''}"
-1852
-1853    def rollback_sql(self, expression: exp.Rollback) -> str:
-1854        savepoint = expression.args.get("savepoint")
-1855        savepoint = f" TO {savepoint}" if savepoint else ""
-1856        return f"ROLLBACK{savepoint}"
-1857
-1858    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
-1859        this = self.sql(expression, "this")
-1860
-1861        dtype = self.sql(expression, "dtype")
-1862        if dtype:
-1863            collate = self.sql(expression, "collate")
-1864            collate = f" COLLATE {collate}" if collate else ""
-1865            using = self.sql(expression, "using")
-1866            using = f" USING {using}" if using else ""
-1867            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
-1868
-1869        default = self.sql(expression, "default")
-1870        if default:
-1871            return f"ALTER COLUMN {this} SET DEFAULT {default}"
-1872
-1873        if not expression.args.get("drop"):
-1874            self.unsupported("Unsupported ALTER COLUMN syntax")
-1875
-1876        return f"ALTER COLUMN {this} DROP DEFAULT"
-1877
-1878    def renametable_sql(self, expression: exp.RenameTable) -> str:
-1879        this = self.sql(expression, "this")
-1880        return f"RENAME TO {this}"
+1846    def command_sql(self, expression: exp.Command) -> str:
+1847        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
+1848
+1849    def comment_sql(self, expression: exp.Comment) -> str:
+1850        this = self.sql(expression, "this")
+1851        kind = expression.args["kind"]
+1852        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
+1853        expression_sql = self.sql(expression, "expression")
+1854        return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}"
+1855
+1856    def transaction_sql(self, expression: exp.Transaction) -> str:
+1857        return "BEGIN"
+1858
+1859    def commit_sql(self, expression: exp.Commit) -> str:
+1860        chain = expression.args.get("chain")
+1861        if chain is not None:
+1862            chain = " AND CHAIN" if chain else " AND NO CHAIN"
+1863
+1864        return f"COMMIT{chain or ''}"
+1865
+1866    def rollback_sql(self, expression: exp.Rollback) -> str:
+1867        savepoint = expression.args.get("savepoint")
+1868        savepoint = f" TO {savepoint}" if savepoint else ""
+1869        return f"ROLLBACK{savepoint}"
+1870
+1871    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
+1872        this = self.sql(expression, "this")
+1873
+1874        dtype = self.sql(expression, "dtype")
+1875        if dtype:
+1876            collate = self.sql(expression, "collate")
+1877            collate = f" COLLATE {collate}" if collate else ""
+1878            using = self.sql(expression, "using")
+1879            using = f" USING {using}" if using else ""
+1880            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
 1881
-1882    def altertable_sql(self, expression: exp.AlterTable) -> str:
-1883        actions = expression.args["actions"]
-1884
-1885        if isinstance(actions[0], exp.ColumnDef):
-1886            actions = self.expressions(expression, key="actions", prefix="ADD COLUMN ")
-1887        elif isinstance(actions[0], exp.Schema):
-1888            actions = self.expressions(expression, key="actions", prefix="ADD COLUMNS ")
-1889        elif isinstance(actions[0], exp.Delete):
-1890            actions = self.expressions(expression, key="actions", flat=True)
-1891        else:
-1892            actions = self.expressions(expression, key="actions")
-1893
-1894        exists = " IF EXISTS" if expression.args.get("exists") else ""
-1895        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
-1896
-1897    def droppartition_sql(self, expression: exp.DropPartition) -> str:
-1898        expressions = self.expressions(expression)
-1899        exists = " IF EXISTS " if expression.args.get("exists") else " "
-1900        return f"DROP{exists}{expressions}"
-1901
-1902    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
-1903        this = self.sql(expression, "this")
-1904        expression_ = self.sql(expression, "expression")
-1905        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
+1882        default = self.sql(expression, "default")
+1883        if default:
+1884            return f"ALTER COLUMN {this} SET DEFAULT {default}"
+1885
+1886        if not expression.args.get("drop"):
+1887            self.unsupported("Unsupported ALTER COLUMN syntax")
+1888
+1889        return f"ALTER COLUMN {this} DROP DEFAULT"
+1890
+1891    def renametable_sql(self, expression: exp.RenameTable) -> str:
+1892        this = self.sql(expression, "this")
+1893        return f"RENAME TO {this}"
+1894
+1895    def altertable_sql(self, expression: exp.AlterTable) -> str:
+1896        actions = expression.args["actions"]
+1897
+1898        if isinstance(actions[0], exp.ColumnDef):
+1899            actions = self.expressions(expression, key="actions", prefix="ADD COLUMN ")
+1900        elif isinstance(actions[0], exp.Schema):
+1901            actions = self.expressions(expression, key="actions", prefix="ADD COLUMNS ")
+1902        elif isinstance(actions[0], exp.Delete):
+1903            actions = self.expressions(expression, key="actions", flat=True)
+1904        else:
+1905            actions = self.expressions(expression, key="actions")
 1906
-1907        enforced = expression.args.get("enforced")
-1908        if enforced is not None:
-1909            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
-1910
-1911        return f"{add_constraint} {expression_}"
-1912
-1913    def distinct_sql(self, expression: exp.Distinct) -> str:
-1914        this = self.expressions(expression, flat=True)
-1915        this = f" {this}" if this else ""
-1916
-1917        on = self.sql(expression, "on")
-1918        on = f" ON {on}" if on else ""
-1919        return f"DISTINCT{this}{on}"
-1920
-1921    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
-1922        return f"{self.sql(expression, 'this')} IGNORE NULLS"
+1907        exists = " IF EXISTS" if expression.args.get("exists") else ""
+1908        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
+1909
+1910    def droppartition_sql(self, expression: exp.DropPartition) -> str:
+1911        expressions = self.expressions(expression)
+1912        exists = " IF EXISTS " if expression.args.get("exists") else " "
+1913        return f"DROP{exists}{expressions}"
+1914
+1915    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
+1916        this = self.sql(expression, "this")
+1917        expression_ = self.sql(expression, "expression")
+1918        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
+1919
+1920        enforced = expression.args.get("enforced")
+1921        if enforced is not None:
+1922            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
 1923
-1924    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
-1925        return f"{self.sql(expression, 'this')} RESPECT NULLS"
-1926
-1927    def intdiv_sql(self, expression: exp.IntDiv) -> str:
-1928        return self.sql(
-1929            exp.Cast(
-1930                this=exp.Div(this=expression.this, expression=expression.expression),
-1931                to=exp.DataType(this=exp.DataType.Type.INT),
-1932            )
-1933        )
-1934
-1935    def dpipe_sql(self, expression: exp.DPipe) -> str:
-1936        return self.binary(expression, "||")
-1937
-1938    def div_sql(self, expression: exp.Div) -> str:
-1939        return self.binary(expression, "/")
-1940
-1941    def overlaps_sql(self, expression: exp.Overlaps) -> str:
-1942        return self.binary(expression, "OVERLAPS")
-1943
-1944    def distance_sql(self, expression: exp.Distance) -> str:
-1945        return self.binary(expression, "<->")
-1946
-1947    def dot_sql(self, expression: exp.Dot) -> str:
-1948        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
-1949
-1950    def eq_sql(self, expression: exp.EQ) -> str:
-1951        return self.binary(expression, "=")
-1952
-1953    def escape_sql(self, expression: exp.Escape) -> str:
-1954        return self.binary(expression, "ESCAPE")
-1955
-1956    def glob_sql(self, expression: exp.Glob) -> str:
-1957        return self.binary(expression, "GLOB")
-1958
-1959    def gt_sql(self, expression: exp.GT) -> str:
-1960        return self.binary(expression, ">")
-1961
-1962    def gte_sql(self, expression: exp.GTE) -> str:
-1963        return self.binary(expression, ">=")
-1964
-1965    def ilike_sql(self, expression: exp.ILike) -> str:
-1966        return self.binary(expression, "ILIKE")
-1967
-1968    def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
-1969        return self.binary(expression, "ILIKE ANY")
-1970
-1971    def is_sql(self, expression: exp.Is) -> str:
-1972        return self.binary(expression, "IS")
-1973
-1974    def like_sql(self, expression: exp.Like) -> str:
-1975        return self.binary(expression, "LIKE")
-1976
-1977    def likeany_sql(self, expression: exp.LikeAny) -> str:
-1978        return self.binary(expression, "LIKE ANY")
-1979
-1980    def similarto_sql(self, expression: exp.SimilarTo) -> str:
-1981        return self.binary(expression, "SIMILAR TO")
-1982
-1983    def lt_sql(self, expression: exp.LT) -> str:
-1984        return self.binary(expression, "<")
-1985
-1986    def lte_sql(self, expression: exp.LTE) -> str:
-1987        return self.binary(expression, "<=")
-1988
-1989    def mod_sql(self, expression: exp.Mod) -> str:
-1990        return self.binary(expression, "%")
-1991
-1992    def mul_sql(self, expression: exp.Mul) -> str:
-1993        return self.binary(expression, "*")
-1994
-1995    def neq_sql(self, expression: exp.NEQ) -> str:
-1996        return self.binary(expression, "<>")
-1997
-1998    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
-1999        return self.binary(expression, "IS NOT DISTINCT FROM")
-2000
-2001    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
-2002        return self.binary(expression, "IS DISTINCT FROM")
-2003
-2004    def or_sql(self, expression: exp.Or) -> str:
-2005        return self.connector_sql(expression, "OR")
-2006
-2007    def slice_sql(self, expression: exp.Slice) -> str:
-2008        return self.binary(expression, ":")
-2009
-2010    def sub_sql(self, expression: exp.Sub) -> str:
-2011        return self.binary(expression, "-")
-2012
-2013    def trycast_sql(self, expression: exp.TryCast) -> str:
-2014        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
-2015
-2016    def use_sql(self, expression: exp.Use) -> str:
-2017        kind = self.sql(expression, "kind")
-2018        kind = f" {kind}" if kind else ""
-2019        this = self.sql(expression, "this")
-2020        this = f" {this}" if this else ""
-2021        return f"USE{kind}{this}"
+1924        return f"{add_constraint} {expression_}"
+1925
+1926    def distinct_sql(self, expression: exp.Distinct) -> str:
+1927        this = self.expressions(expression, flat=True)
+1928        this = f" {this}" if this else ""
+1929
+1930        on = self.sql(expression, "on")
+1931        on = f" ON {on}" if on else ""
+1932        return f"DISTINCT{this}{on}"
+1933
+1934    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
+1935        return f"{self.sql(expression, 'this')} IGNORE NULLS"
+1936
+1937    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
+1938        return f"{self.sql(expression, 'this')} RESPECT NULLS"
+1939
+1940    def intdiv_sql(self, expression: exp.IntDiv) -> str:
+1941        return self.sql(
+1942            exp.Cast(
+1943                this=exp.Div(this=expression.this, expression=expression.expression),
+1944                to=exp.DataType(this=exp.DataType.Type.INT),
+1945            )
+1946        )
+1947
+1948    def dpipe_sql(self, expression: exp.DPipe) -> str:
+1949        return self.binary(expression, "||")
+1950
+1951    def div_sql(self, expression: exp.Div) -> str:
+1952        return self.binary(expression, "/")
+1953
+1954    def overlaps_sql(self, expression: exp.Overlaps) -> str:
+1955        return self.binary(expression, "OVERLAPS")
+1956
+1957    def distance_sql(self, expression: exp.Distance) -> str:
+1958        return self.binary(expression, "<->")
+1959
+1960    def dot_sql(self, expression: exp.Dot) -> str:
+1961        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
+1962
+1963    def eq_sql(self, expression: exp.EQ) -> str:
+1964        return self.binary(expression, "=")
+1965
+1966    def escape_sql(self, expression: exp.Escape) -> str:
+1967        return self.binary(expression, "ESCAPE")
+1968
+1969    def glob_sql(self, expression: exp.Glob) -> str:
+1970        return self.binary(expression, "GLOB")
+1971
+1972    def gt_sql(self, expression: exp.GT) -> str:
+1973        return self.binary(expression, ">")
+1974
+1975    def gte_sql(self, expression: exp.GTE) -> str:
+1976        return self.binary(expression, ">=")
+1977
+1978    def ilike_sql(self, expression: exp.ILike) -> str:
+1979        return self.binary(expression, "ILIKE")
+1980
+1981    def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
+1982        return self.binary(expression, "ILIKE ANY")
+1983
+1984    def is_sql(self, expression: exp.Is) -> str:
+1985        return self.binary(expression, "IS")
+1986
+1987    def like_sql(self, expression: exp.Like) -> str:
+1988        return self.binary(expression, "LIKE")
+1989
+1990    def likeany_sql(self, expression: exp.LikeAny) -> str:
+1991        return self.binary(expression, "LIKE ANY")
+1992
+1993    def similarto_sql(self, expression: exp.SimilarTo) -> str:
+1994        return self.binary(expression, "SIMILAR TO")
+1995
+1996    def lt_sql(self, expression: exp.LT) -> str:
+1997        return self.binary(expression, "<")
+1998
+1999    def lte_sql(self, expression: exp.LTE) -> str:
+2000        return self.binary(expression, "<=")
+2001
+2002    def mod_sql(self, expression: exp.Mod) -> str:
+2003        return self.binary(expression, "%")
+2004
+2005    def mul_sql(self, expression: exp.Mul) -> str:
+2006        return self.binary(expression, "*")
+2007
+2008    def neq_sql(self, expression: exp.NEQ) -> str:
+2009        return self.binary(expression, "<>")
+2010
+2011    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
+2012        return self.binary(expression, "IS NOT DISTINCT FROM")
+2013
+2014    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
+2015        return self.binary(expression, "IS DISTINCT FROM")
+2016
+2017    def or_sql(self, expression: exp.Or) -> str:
+2018        return self.connector_sql(expression, "OR")
+2019
+2020    def slice_sql(self, expression: exp.Slice) -> str:
+2021        return self.binary(expression, ":")
 2022
-2023    def binary(self, expression: exp.Binary, op: str) -> str:
-2024        op = self.maybe_comment(op, comments=expression.comments)
-2025        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
-2026
-2027    def function_fallback_sql(self, expression: exp.Func) -> str:
-2028        args = []
-2029        for arg_value in expression.args.values():
-2030            if isinstance(arg_value, list):
-2031                for value in arg_value:
-2032                    args.append(value)
-2033            else:
-2034                args.append(arg_value)
+2023    def sub_sql(self, expression: exp.Sub) -> str:
+2024        return self.binary(expression, "-")
+2025
+2026    def trycast_sql(self, expression: exp.TryCast) -> str:
+2027        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+2028
+2029    def use_sql(self, expression: exp.Use) -> str:
+2030        kind = self.sql(expression, "kind")
+2031        kind = f" {kind}" if kind else ""
+2032        this = self.sql(expression, "this")
+2033        this = f" {this}" if this else ""
+2034        return f"USE{kind}{this}"
 2035
-2036        return self.func(expression.sql_name(), *args)
-2037
-2038    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
-2039        return f"{self.normalize_func(name)}({self.format_args(*args)})"
-2040
-2041    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
-2042        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
-2043        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
-2044            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
-2045        return ", ".join(arg_sqls)
-2046
-2047    def text_width(self, args: t.Iterable) -> int:
-2048        return sum(len(arg) for arg in args)
-2049
-2050    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
-2051        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
-2052
-2053    def expressions(
-2054        self,
-2055        expression: t.Optional[exp.Expression] = None,
-2056        key: t.Optional[str] = None,
-2057        sqls: t.Optional[t.List[str]] = None,
-2058        flat: bool = False,
-2059        indent: bool = True,
-2060        sep: str = ", ",
-2061        prefix: str = "",
-2062    ) -> str:
-2063        expressions = expression.args.get(key or "expressions") if expression else sqls
-2064
-2065        if not expressions:
-2066            return ""
-2067
-2068        if flat:
-2069            return sep.join(self.sql(e) for e in expressions)
-2070
-2071        num_sqls = len(expressions)
-2072
-2073        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
-2074        pad = " " * self.pad
-2075        stripped_sep = sep.strip()
-2076
-2077        result_sqls = []
-2078        for i, e in enumerate(expressions):
-2079            sql = self.sql(e, comment=False)
-2080            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
-2081
-2082            if self.pretty:
-2083                if self._leading_comma:
-2084                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
-2085                else:
-2086                    result_sqls.append(
-2087                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
-2088                    )
-2089            else:
-2090                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
-2091
-2092        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
-2093        return self.indent(result_sql, skip_first=False) if indent else result_sql
+2036    def binary(self, expression: exp.Binary, op: str) -> str:
+2037        op = self.maybe_comment(op, comments=expression.comments)
+2038        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
+2039
+2040    def function_fallback_sql(self, expression: exp.Func) -> str:
+2041        args = []
+2042        for arg_value in expression.args.values():
+2043            if isinstance(arg_value, list):
+2044                for value in arg_value:
+2045                    args.append(value)
+2046            else:
+2047                args.append(arg_value)
+2048
+2049        return self.func(expression.sql_name(), *args)
+2050
+2051    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
+2052        return f"{self.normalize_func(name)}({self.format_args(*args)})"
+2053
+2054    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
+2055        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
+2056        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
+2057            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
+2058        return ", ".join(arg_sqls)
+2059
+2060    def text_width(self, args: t.Iterable) -> int:
+2061        return sum(len(arg) for arg in args)
+2062
+2063    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
+2064        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
+2065
+2066    def expressions(
+2067        self,
+2068        expression: t.Optional[exp.Expression] = None,
+2069        key: t.Optional[str] = None,
+2070        sqls: t.Optional[t.List[str]] = None,
+2071        flat: bool = False,
+2072        indent: bool = True,
+2073        sep: str = ", ",
+2074        prefix: str = "",
+2075    ) -> str:
+2076        expressions = expression.args.get(key or "expressions") if expression else sqls
+2077
+2078        if not expressions:
+2079            return ""
+2080
+2081        if flat:
+2082            return sep.join(self.sql(e) for e in expressions)
+2083
+2084        num_sqls = len(expressions)
+2085
+2086        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
+2087        pad = " " * self.pad
+2088        stripped_sep = sep.strip()
+2089
+2090        result_sqls = []
+2091        for i, e in enumerate(expressions):
+2092            sql = self.sql(e, comment=False)
+2093            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
 2094
-2095    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
-2096        flat = flat or isinstance(expression.parent, exp.Properties)
-2097        expressions_sql = self.expressions(expression, flat=flat)
-2098        if flat:
-2099            return f"{op} {expressions_sql}"
-2100        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
-2101
-2102    def naked_property(self, expression: exp.Property) -> str:
-2103        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
-2104        if not property_name:
-2105            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
-2106        return f"{property_name} {self.sql(expression, 'this')}"
+2095            if self.pretty:
+2096                if self._leading_comma:
+2097                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
+2098                else:
+2099                    result_sqls.append(
+2100                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
+2101                    )
+2102            else:
+2103                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
+2104
+2105        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
+2106        return self.indent(result_sql, skip_first=False) if indent else result_sql
 2107
-2108    def set_operation(self, expression: exp.Expression, op: str) -> str:
-2109        this = self.sql(expression, "this")
-2110        op = self.seg(op)
-2111        return self.query_modifiers(
-2112            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
-2113        )
+2108    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
+2109        flat = flat or isinstance(expression.parent, exp.Properties)
+2110        expressions_sql = self.expressions(expression, flat=flat)
+2111        if flat:
+2112            return f"{op} {expressions_sql}"
+2113        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
 2114
-2115    def tag_sql(self, expression: exp.Tag) -> str:
-2116        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
-2117
-2118    def token_sql(self, token_type: TokenType) -> str:
-2119        return self.TOKEN_MAPPING.get(token_type, token_type.name)
+2115    def naked_property(self, expression: exp.Property) -> str:
+2116        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
+2117        if not property_name:
+2118            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
+2119        return f"{property_name} {self.sql(expression, 'this')}"
 2120
-2121    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
+2121    def set_operation(self, expression: exp.Expression, op: str) -> str:
 2122        this = self.sql(expression, "this")
-2123        expressions = self.no_identify(self.expressions, expression)
-2124        expressions = (
-2125            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
+2123        op = self.seg(op)
+2124        return self.query_modifiers(
+2125            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
 2126        )
-2127        return f"{this}{expressions}"
-2128
-2129    def joinhint_sql(self, expression: exp.JoinHint) -> str:
-2130        this = self.sql(expression, "this")
-2131        expressions = self.expressions(expression, flat=True)
-2132        return f"{this}({expressions})"
+2127
+2128    def tag_sql(self, expression: exp.Tag) -> str:
+2129        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
+2130
+2131    def token_sql(self, token_type: TokenType) -> str:
+2132        return self.TOKEN_MAPPING.get(token_type, token_type.name)
 2133
-2134    def kwarg_sql(self, expression: exp.Kwarg) -> str:
-2135        return self.binary(expression, "=>")
-2136
-2137    def when_sql(self, expression: exp.When) -> str:
-2138        matched = "MATCHED" if expression.args["matched"] else "NOT MATCHED"
-2139        source = " BY SOURCE" if self.MATCHED_BY_SOURCE and expression.args.get("source") else ""
-2140        condition = self.sql(expression, "condition")
-2141        condition = f" AND {condition}" if condition else ""
-2142
-2143        then_expression = expression.args.get("then")
-2144        if isinstance(then_expression, exp.Insert):
-2145            then = f"INSERT {self.sql(then_expression, 'this')}"
-2146            if "expression" in then_expression.args:
-2147                then += f" VALUES {self.sql(then_expression, 'expression')}"
-2148        elif isinstance(then_expression, exp.Update):
-2149            if isinstance(then_expression.args.get("expressions"), exp.Star):
-2150                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
-2151            else:
-2152                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
-2153        else:
-2154            then = self.sql(then_expression)
-2155        return f"WHEN {matched}{source}{condition} THEN {then}"
-2156
-2157    def merge_sql(self, expression: exp.Merge) -> str:
-2158        this = self.sql(expression, "this")
-2159        using = f"USING {self.sql(expression, 'using')}"
-2160        on = f"ON {self.sql(expression, 'on')}"
-2161        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
-2162
-2163    def tochar_sql(self, expression: exp.ToChar) -> str:
-2164        if expression.args.get("format"):
-2165            self.unsupported("Format argument unsupported for TO_CHAR/TO_VARCHAR function")
-2166
-2167        return self.sql(exp.cast(expression.this, "text"))
+2134    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
+2135        this = self.sql(expression, "this")
+2136        expressions = self.no_identify(self.expressions, expression)
+2137        expressions = (
+2138            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
+2139        )
+2140        return f"{this}{expressions}"
+2141
+2142    def joinhint_sql(self, expression: exp.JoinHint) -> str:
+2143        this = self.sql(expression, "this")
+2144        expressions = self.expressions(expression, flat=True)
+2145        return f"{this}({expressions})"
+2146
+2147    def kwarg_sql(self, expression: exp.Kwarg) -> str:
+2148        return self.binary(expression, "=>")
+2149
+2150    def when_sql(self, expression: exp.When) -> str:
+2151        matched = "MATCHED" if expression.args["matched"] else "NOT MATCHED"
+2152        source = " BY SOURCE" if self.MATCHED_BY_SOURCE and expression.args.get("source") else ""
+2153        condition = self.sql(expression, "condition")
+2154        condition = f" AND {condition}" if condition else ""
+2155
+2156        then_expression = expression.args.get("then")
+2157        if isinstance(then_expression, exp.Insert):
+2158            then = f"INSERT {self.sql(then_expression, 'this')}"
+2159            if "expression" in then_expression.args:
+2160                then += f" VALUES {self.sql(then_expression, 'expression')}"
+2161        elif isinstance(then_expression, exp.Update):
+2162            if isinstance(then_expression.args.get("expressions"), exp.Star):
+2163                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
+2164            else:
+2165                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
+2166        else:
+2167            then = self.sql(then_expression)
+2168        return f"WHEN {matched}{source}{condition} THEN {then}"
+2169
+2170    def merge_sql(self, expression: exp.Merge) -> str:
+2171        this = self.sql(expression, "this")
+2172        using = f"USING {self.sql(expression, 'using')}"
+2173        on = f"ON {self.sql(expression, 'on')}"
+2174        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
+2175
+2176    def tochar_sql(self, expression: exp.ToChar) -> str:
+2177        if expression.args.get("format"):
+2178            self.unsupported("Format argument unsupported for TO_CHAR/TO_VARCHAR function")
+2179
+2180        return self.sql(exp.cast(expression.this, "text"))
 
    
 
 
@@ -3425,7 +3441,7 @@
      525
  526    def columnconstraint_sql(self, expression: exp.ColumnConstraint) -> str:
  527        this = self.sql(expression, "this")
- 528        kind_sql = self.sql(expression, "kind")
+ 528        kind_sql = self.sql(expression, "kind").strip()
  529        return f"CONSTRAINT {this} {kind_sql}" if this else kind_sql
  530
  531    def autoincrementcolumnconstraint_sql(self, _) -> str:
@@ -4016,1056 +4032,1069 @@
 1116
 1117        return f"{table}{system_time}{alias}{hints}{laterals}{joins}{pivots}"
 1118
-1119    def tablesample_sql(self, expression: exp.TableSample, seed_prefix: str = "SEED") -> str:
-1120        if self.alias_post_tablesample and expression.this.alias:
-1121            this = self.sql(expression.this, "this")
-1122            alias = f" AS {self.sql(expression.this, 'alias')}"
-1123        else:
-1124            this = self.sql(expression, "this")
-1125            alias = ""
-1126        method = self.sql(expression, "method")
-1127        method = f"{method.upper()} " if method and self.TABLESAMPLE_WITH_METHOD else ""
-1128        numerator = self.sql(expression, "bucket_numerator")
-1129        denominator = self.sql(expression, "bucket_denominator")
-1130        field = self.sql(expression, "bucket_field")
-1131        field = f" ON {field}" if field else ""
-1132        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
-1133        percent = self.sql(expression, "percent")
-1134        percent = f"{percent} PERCENT" if percent else ""
-1135        rows = self.sql(expression, "rows")
-1136        rows = f"{rows} ROWS" if rows else ""
-1137        size = self.sql(expression, "size")
-1138        if size and self.TABLESAMPLE_SIZE_IS_PERCENT:
-1139            size = f"{size} PERCENT"
-1140        seed = self.sql(expression, "seed")
-1141        seed = f" {seed_prefix} ({seed})" if seed else ""
-1142        kind = expression.args.get("kind", "TABLESAMPLE")
-1143        return f"{this} {kind} {method}({bucket}{percent}{rows}{size}){seed}{alias}"
-1144
-1145    def pivot_sql(self, expression: exp.Pivot) -> str:
-1146        this = self.sql(expression, "this")
-1147        alias = self.sql(expression, "alias")
-1148        alias = f" AS {alias}" if alias else ""
-1149        unpivot = expression.args.get("unpivot")
-1150        direction = "UNPIVOT" if unpivot else "PIVOT"
-1151        expressions = self.expressions(expression, key="expressions")
-1152        field = self.sql(expression, "field")
-1153        return f"{this} {direction}({expressions} FOR {field}){alias}"
-1154
-1155    def tuple_sql(self, expression: exp.Tuple) -> str:
-1156        return f"({self.expressions(expression, flat=True)})"
-1157
-1158    def update_sql(self, expression: exp.Update) -> str:
-1159        this = self.sql(expression, "this")
-1160        set_sql = self.expressions(expression, flat=True)
-1161        from_sql = self.sql(expression, "from")
-1162        where_sql = self.sql(expression, "where")
-1163        returning = self.sql(expression, "returning")
-1164        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}{returning}"
-1165        return self.prepend_ctes(expression, sql)
-1166
-1167    def values_sql(self, expression: exp.Values) -> str:
-1168        args = self.expressions(expression)
-1169        alias = self.sql(expression, "alias")
-1170        values = f"VALUES{self.seg('')}{args}"
-1171        values = (
-1172            f"({values})"
-1173            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
-1174            else values
-1175        )
-1176        return f"{values} AS {alias}" if alias else values
-1177
-1178    def var_sql(self, expression: exp.Var) -> str:
-1179        return self.sql(expression, "this")
-1180
-1181    def into_sql(self, expression: exp.Into) -> str:
-1182        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
-1183        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
-1184        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
-1185
-1186    def from_sql(self, expression: exp.From) -> str:
-1187        expressions = self.expressions(expression, flat=True)
-1188        return f"{self.seg('FROM')} {expressions}"
-1189
-1190    def group_sql(self, expression: exp.Group) -> str:
-1191        group_by = self.op_expressions("GROUP BY", expression)
-1192        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
-1193        grouping_sets = (
-1194            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
-1195        )
-1196
-1197        cube = expression.args.get("cube", [])
-1198        if seq_get(cube, 0) is True:
-1199            return f"{group_by}{self.seg('WITH CUBE')}"
-1200        else:
-1201            cube_sql = self.expressions(expression, key="cube", indent=False)
-1202            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
-1203
-1204        rollup = expression.args.get("rollup", [])
-1205        if seq_get(rollup, 0) is True:
-1206            return f"{group_by}{self.seg('WITH ROLLUP')}"
-1207        else:
-1208            rollup_sql = self.expressions(expression, key="rollup", indent=False)
-1209            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
-1210
-1211        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
+1119    def tablesample_sql(
+1120        self, expression: exp.TableSample, seed_prefix: str = "SEED", sep=" AS "
+1121    ) -> str:
+1122        if self.alias_post_tablesample and expression.this.alias:
+1123            this = self.sql(expression.this, "this")
+1124            alias = f"{sep}{self.sql(expression.this, 'alias')}"
+1125        else:
+1126            this = self.sql(expression, "this")
+1127            alias = ""
+1128        method = self.sql(expression, "method")
+1129        method = f"{method.upper()} " if method and self.TABLESAMPLE_WITH_METHOD else ""
+1130        numerator = self.sql(expression, "bucket_numerator")
+1131        denominator = self.sql(expression, "bucket_denominator")
+1132        field = self.sql(expression, "bucket_field")
+1133        field = f" ON {field}" if field else ""
+1134        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
+1135        percent = self.sql(expression, "percent")
+1136        percent = f"{percent} PERCENT" if percent else ""
+1137        rows = self.sql(expression, "rows")
+1138        rows = f"{rows} ROWS" if rows else ""
+1139        size = self.sql(expression, "size")
+1140        if size and self.TABLESAMPLE_SIZE_IS_PERCENT:
+1141            size = f"{size} PERCENT"
+1142        seed = self.sql(expression, "seed")
+1143        seed = f" {seed_prefix} ({seed})" if seed else ""
+1144        kind = expression.args.get("kind", "TABLESAMPLE")
+1145        return f"{this} {kind} {method}({bucket}{percent}{rows}{size}){seed}{alias}"
+1146
+1147    def pivot_sql(self, expression: exp.Pivot) -> str:
+1148        this = self.sql(expression, "this")
+1149        alias = self.sql(expression, "alias")
+1150        alias = f" AS {alias}" if alias else ""
+1151        unpivot = expression.args.get("unpivot")
+1152        direction = "UNPIVOT" if unpivot else "PIVOT"
+1153        expressions = self.expressions(expression, key="expressions")
+1154        field = self.sql(expression, "field")
+1155        return f"{this} {direction}({expressions} FOR {field}){alias}"
+1156
+1157    def tuple_sql(self, expression: exp.Tuple) -> str:
+1158        return f"({self.expressions(expression, flat=True)})"
+1159
+1160    def update_sql(self, expression: exp.Update) -> str:
+1161        this = self.sql(expression, "this")
+1162        set_sql = self.expressions(expression, flat=True)
+1163        from_sql = self.sql(expression, "from")
+1164        where_sql = self.sql(expression, "where")
+1165        returning = self.sql(expression, "returning")
+1166        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}{returning}"
+1167        return self.prepend_ctes(expression, sql)
+1168
+1169    def values_sql(self, expression: exp.Values) -> str:
+1170        args = self.expressions(expression)
+1171        alias = self.sql(expression, "alias")
+1172        values = f"VALUES{self.seg('')}{args}"
+1173        values = (
+1174            f"({values})"
+1175            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
+1176            else values
+1177        )
+1178        return f"{values} AS {alias}" if alias else values
+1179
+1180    def var_sql(self, expression: exp.Var) -> str:
+1181        return self.sql(expression, "this")
+1182
+1183    def into_sql(self, expression: exp.Into) -> str:
+1184        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
+1185        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
+1186        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
+1187
+1188    def from_sql(self, expression: exp.From) -> str:
+1189        expressions = self.expressions(expression, flat=True)
+1190        return f"{self.seg('FROM')} {expressions}"
+1191
+1192    def group_sql(self, expression: exp.Group) -> str:
+1193        group_by = self.op_expressions("GROUP BY", expression)
+1194        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
+1195        grouping_sets = (
+1196            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
+1197        )
+1198
+1199        cube = expression.args.get("cube", [])
+1200        if seq_get(cube, 0) is True:
+1201            return f"{group_by}{self.seg('WITH CUBE')}"
+1202        else:
+1203            cube_sql = self.expressions(expression, key="cube", indent=False)
+1204            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
+1205
+1206        rollup = expression.args.get("rollup", [])
+1207        if seq_get(rollup, 0) is True:
+1208            return f"{group_by}{self.seg('WITH ROLLUP')}"
+1209        else:
+1210            rollup_sql = self.expressions(expression, key="rollup", indent=False)
+1211            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
 1212
-1213        if expression.args.get("expressions") and groupings:
-1214            group_by = f"{group_by},"
-1215
-1216        return f"{group_by}{groupings}"
+1213        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
+1214
+1215        if expression.args.get("expressions") and groupings:
+1216            group_by = f"{group_by},"
 1217
-1218    def having_sql(self, expression: exp.Having) -> str:
-1219        this = self.indent(self.sql(expression, "this"))
-1220        return f"{self.seg('HAVING')}{self.sep()}{this}"
-1221
-1222    def join_sql(self, expression: exp.Join) -> str:
-1223        op_sql = self.seg(
-1224            " ".join(
-1225                op
-1226                for op in (
-1227                    "NATURAL" if expression.args.get("natural") else None,
-1228                    expression.side,
-1229                    expression.kind,
-1230                    expression.hint if self.JOIN_HINTS else None,
-1231                    "JOIN",
-1232                )
-1233                if op
-1234            )
-1235        )
-1236        on_sql = self.sql(expression, "on")
-1237        using = expression.args.get("using")
-1238
-1239        if not on_sql and using:
-1240            on_sql = csv(*(self.sql(column) for column in using))
-1241
-1242        if on_sql:
-1243            on_sql = self.indent(on_sql, skip_first=True)
-1244            space = self.seg(" " * self.pad) if self.pretty else " "
-1245            if using:
-1246                on_sql = f"{space}USING ({on_sql})"
-1247            else:
-1248                on_sql = f"{space}ON {on_sql}"
-1249
-1250        expression_sql = self.sql(expression, "expression")
-1251        this_sql = self.sql(expression, "this")
-1252        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
-1253
-1254    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
-1255        args = self.expressions(expression, flat=True)
-1256        args = f"({args})" if len(args.split(",")) > 1 else args
-1257        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
-1258
-1259    def lateral_sql(self, expression: exp.Lateral) -> str:
-1260        this = self.sql(expression, "this")
-1261
-1262        if isinstance(expression.this, exp.Subquery):
-1263            return f"LATERAL {this}"
-1264
-1265        if expression.args.get("view"):
-1266            alias = expression.args["alias"]
-1267            columns = self.expressions(alias, key="columns", flat=True)
-1268            table = f" {alias.name}" if alias.name else ""
-1269            columns = f" AS {columns}" if columns else ""
-1270            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
-1271            return f"{op_sql}{self.sep()}{this}{table}{columns}"
-1272
-1273        alias = self.sql(expression, "alias")
-1274        alias = f" AS {alias}" if alias else ""
-1275        return f"LATERAL {this}{alias}"
-1276
-1277    def limit_sql(self, expression: exp.Limit) -> str:
-1278        this = self.sql(expression, "this")
-1279        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
-1280
-1281    def offset_sql(self, expression: exp.Offset) -> str:
-1282        this = self.sql(expression, "this")
-1283        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
-1284
-1285    def setitem_sql(self, expression: exp.SetItem) -> str:
-1286        kind = self.sql(expression, "kind")
-1287        kind = f"{kind} " if kind else ""
-1288        this = self.sql(expression, "this")
-1289        expressions = self.expressions(expression)
-1290        collate = self.sql(expression, "collate")
-1291        collate = f" COLLATE {collate}" if collate else ""
-1292        global_ = "GLOBAL " if expression.args.get("global") else ""
-1293        return f"{global_}{kind}{this}{expressions}{collate}"
-1294
-1295    def set_sql(self, expression: exp.Set) -> str:
-1296        expressions = (
-1297            f" {self.expressions(expression, flat=True)}" if expression.expressions else ""
-1298        )
-1299        return f"SET{expressions}"
-1300
-1301    def pragma_sql(self, expression: exp.Pragma) -> str:
-1302        return f"PRAGMA {self.sql(expression, 'this')}"
-1303
-1304    def lock_sql(self, expression: exp.Lock) -> str:
-1305        if self.LOCKING_READS_SUPPORTED:
-1306            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
-1307            return self.seg(f"FOR {lock_type}")
-1308
-1309        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
-1310        return ""
-1311
-1312    def literal_sql(self, expression: exp.Literal) -> str:
-1313        text = expression.this or ""
-1314        if expression.is_string:
-1315            text = text.replace(self.quote_end, self._escaped_quote_end)
-1316            if self.pretty:
-1317                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
-1318            text = f"{self.quote_start}{text}{self.quote_end}"
-1319        return text
-1320
-1321    def loaddata_sql(self, expression: exp.LoadData) -> str:
-1322        local = " LOCAL" if expression.args.get("local") else ""
-1323        inpath = f" INPATH {self.sql(expression, 'inpath')}"
-1324        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
-1325        this = f" INTO TABLE {self.sql(expression, 'this')}"
-1326        partition = self.sql(expression, "partition")
-1327        partition = f" {partition}" if partition else ""
-1328        input_format = self.sql(expression, "input_format")
-1329        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
-1330        serde = self.sql(expression, "serde")
-1331        serde = f" SERDE {serde}" if serde else ""
-1332        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
-1333
-1334    def null_sql(self, *_) -> str:
-1335        return "NULL"
-1336
-1337    def boolean_sql(self, expression: exp.Boolean) -> str:
-1338        return "TRUE" if expression.this else "FALSE"
-1339
-1340    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
-1341        this = self.sql(expression, "this")
-1342        this = f"{this} " if this else this
-1343        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
-1344
-1345    def cluster_sql(self, expression: exp.Cluster) -> str:
-1346        return self.op_expressions("CLUSTER BY", expression)
-1347
-1348    def distribute_sql(self, expression: exp.Distribute) -> str:
-1349        return self.op_expressions("DISTRIBUTE BY", expression)
-1350
-1351    def sort_sql(self, expression: exp.Sort) -> str:
-1352        return self.op_expressions("SORT BY", expression)
-1353
-1354    def ordered_sql(self, expression: exp.Ordered) -> str:
-1355        desc = expression.args.get("desc")
-1356        asc = not desc
-1357
-1358        nulls_first = expression.args.get("nulls_first")
-1359        nulls_last = not nulls_first
-1360        nulls_are_large = self.null_ordering == "nulls_are_large"
-1361        nulls_are_small = self.null_ordering == "nulls_are_small"
-1362        nulls_are_last = self.null_ordering == "nulls_are_last"
-1363
-1364        sort_order = " DESC" if desc else ""
-1365        nulls_sort_change = ""
-1366        if nulls_first and (
-1367            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
-1368        ):
-1369            nulls_sort_change = " NULLS FIRST"
-1370        elif (
-1371            nulls_last
-1372            and ((asc and nulls_are_small) or (desc and nulls_are_large))
-1373            and not nulls_are_last
-1374        ):
-1375            nulls_sort_change = " NULLS LAST"
-1376
-1377        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
-1378            self.unsupported(
-1379                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
-1380            )
-1381            nulls_sort_change = ""
-1382
-1383        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
+1218        return f"{group_by}{groupings}"
+1219
+1220    def having_sql(self, expression: exp.Having) -> str:
+1221        this = self.indent(self.sql(expression, "this"))
+1222        return f"{self.seg('HAVING')}{self.sep()}{this}"
+1223
+1224    def join_sql(self, expression: exp.Join) -> str:
+1225        op_sql = self.seg(
+1226            " ".join(
+1227                op
+1228                for op in (
+1229                    "NATURAL" if expression.args.get("natural") else None,
+1230                    expression.side,
+1231                    expression.kind,
+1232                    expression.hint if self.JOIN_HINTS else None,
+1233                    "JOIN",
+1234                )
+1235                if op
+1236            )
+1237        )
+1238        on_sql = self.sql(expression, "on")
+1239        using = expression.args.get("using")
+1240
+1241        if not on_sql and using:
+1242            on_sql = csv(*(self.sql(column) for column in using))
+1243
+1244        if on_sql:
+1245            on_sql = self.indent(on_sql, skip_first=True)
+1246            space = self.seg(" " * self.pad) if self.pretty else " "
+1247            if using:
+1248                on_sql = f"{space}USING ({on_sql})"
+1249            else:
+1250                on_sql = f"{space}ON {on_sql}"
+1251
+1252        expression_sql = self.sql(expression, "expression")
+1253        this_sql = self.sql(expression, "this")
+1254        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
+1255
+1256    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
+1257        args = self.expressions(expression, flat=True)
+1258        args = f"({args})" if len(args.split(",")) > 1 else args
+1259        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
+1260
+1261    def lateral_sql(self, expression: exp.Lateral) -> str:
+1262        this = self.sql(expression, "this")
+1263
+1264        if isinstance(expression.this, exp.Subquery):
+1265            return f"LATERAL {this}"
+1266
+1267        if expression.args.get("view"):
+1268            alias = expression.args["alias"]
+1269            columns = self.expressions(alias, key="columns", flat=True)
+1270            table = f" {alias.name}" if alias.name else ""
+1271            columns = f" AS {columns}" if columns else ""
+1272            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
+1273            return f"{op_sql}{self.sep()}{this}{table}{columns}"
+1274
+1275        alias = self.sql(expression, "alias")
+1276        alias = f" AS {alias}" if alias else ""
+1277        return f"LATERAL {this}{alias}"
+1278
+1279    def limit_sql(self, expression: exp.Limit) -> str:
+1280        this = self.sql(expression, "this")
+1281        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
+1282
+1283    def offset_sql(self, expression: exp.Offset) -> str:
+1284        this = self.sql(expression, "this")
+1285        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
+1286
+1287    def setitem_sql(self, expression: exp.SetItem) -> str:
+1288        kind = self.sql(expression, "kind")
+1289        kind = f"{kind} " if kind else ""
+1290        this = self.sql(expression, "this")
+1291        expressions = self.expressions(expression)
+1292        collate = self.sql(expression, "collate")
+1293        collate = f" COLLATE {collate}" if collate else ""
+1294        global_ = "GLOBAL " if expression.args.get("global") else ""
+1295        return f"{global_}{kind}{this}{expressions}{collate}"
+1296
+1297    def set_sql(self, expression: exp.Set) -> str:
+1298        expressions = (
+1299            f" {self.expressions(expression, flat=True)}" if expression.expressions else ""
+1300        )
+1301        return f"SET{expressions}"
+1302
+1303    def pragma_sql(self, expression: exp.Pragma) -> str:
+1304        return f"PRAGMA {self.sql(expression, 'this')}"
+1305
+1306    def lock_sql(self, expression: exp.Lock) -> str:
+1307        if self.LOCKING_READS_SUPPORTED:
+1308            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
+1309            return self.seg(f"FOR {lock_type}")
+1310
+1311        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
+1312        return ""
+1313
+1314    def literal_sql(self, expression: exp.Literal) -> str:
+1315        text = expression.this or ""
+1316        if expression.is_string:
+1317            text = text.replace(self.quote_end, self._escaped_quote_end)
+1318            if self.pretty:
+1319                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
+1320            text = f"{self.quote_start}{text}{self.quote_end}"
+1321        return text
+1322
+1323    def loaddata_sql(self, expression: exp.LoadData) -> str:
+1324        local = " LOCAL" if expression.args.get("local") else ""
+1325        inpath = f" INPATH {self.sql(expression, 'inpath')}"
+1326        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
+1327        this = f" INTO TABLE {self.sql(expression, 'this')}"
+1328        partition = self.sql(expression, "partition")
+1329        partition = f" {partition}" if partition else ""
+1330        input_format = self.sql(expression, "input_format")
+1331        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
+1332        serde = self.sql(expression, "serde")
+1333        serde = f" SERDE {serde}" if serde else ""
+1334        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
+1335
+1336    def null_sql(self, *_) -> str:
+1337        return "NULL"
+1338
+1339    def boolean_sql(self, expression: exp.Boolean) -> str:
+1340        return "TRUE" if expression.this else "FALSE"
+1341
+1342    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
+1343        this = self.sql(expression, "this")
+1344        this = f"{this} " if this else this
+1345        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
+1346
+1347    def cluster_sql(self, expression: exp.Cluster) -> str:
+1348        return self.op_expressions("CLUSTER BY", expression)
+1349
+1350    def distribute_sql(self, expression: exp.Distribute) -> str:
+1351        return self.op_expressions("DISTRIBUTE BY", expression)
+1352
+1353    def sort_sql(self, expression: exp.Sort) -> str:
+1354        return self.op_expressions("SORT BY", expression)
+1355
+1356    def ordered_sql(self, expression: exp.Ordered) -> str:
+1357        desc = expression.args.get("desc")
+1358        asc = not desc
+1359
+1360        nulls_first = expression.args.get("nulls_first")
+1361        nulls_last = not nulls_first
+1362        nulls_are_large = self.null_ordering == "nulls_are_large"
+1363        nulls_are_small = self.null_ordering == "nulls_are_small"
+1364        nulls_are_last = self.null_ordering == "nulls_are_last"
+1365
+1366        sort_order = " DESC" if desc else ""
+1367        nulls_sort_change = ""
+1368        if nulls_first and (
+1369            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
+1370        ):
+1371            nulls_sort_change = " NULLS FIRST"
+1372        elif (
+1373            nulls_last
+1374            and ((asc and nulls_are_small) or (desc and nulls_are_large))
+1375            and not nulls_are_last
+1376        ):
+1377            nulls_sort_change = " NULLS LAST"
+1378
+1379        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
+1380            self.unsupported(
+1381                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
+1382            )
+1383            nulls_sort_change = ""
 1384
-1385    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
-1386        partition = self.partition_by_sql(expression)
-1387        order = self.sql(expression, "order")
-1388        measures = self.expressions(expression, key="measures")
-1389        measures = self.seg(f"MEASURES{self.seg(measures)}") if measures else ""
-1390        rows = self.sql(expression, "rows")
-1391        rows = self.seg(rows) if rows else ""
-1392        after = self.sql(expression, "after")
-1393        after = self.seg(after) if after else ""
-1394        pattern = self.sql(expression, "pattern")
-1395        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
-1396        definition_sqls = [
-1397            f"{self.sql(definition, 'alias')} AS {self.sql(definition, 'this')}"
-1398            for definition in expression.args.get("define", [])
-1399        ]
-1400        definitions = self.expressions(sqls=definition_sqls)
-1401        define = self.seg(f"DEFINE{self.seg(definitions)}") if definitions else ""
-1402        body = "".join(
-1403            (
-1404                partition,
-1405                order,
-1406                measures,
-1407                rows,
-1408                after,
-1409                pattern,
-1410                define,
-1411            )
-1412        )
-1413        alias = self.sql(expression, "alias")
-1414        alias = f" {alias}" if alias else ""
-1415        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}{alias}"
-1416
-1417    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
-1418        limit = expression.args.get("limit")
-1419
-1420        if self.LIMIT_FETCH == "LIMIT" and isinstance(limit, exp.Fetch):
-1421            limit = exp.Limit(expression=limit.args.get("count"))
-1422        elif self.LIMIT_FETCH == "FETCH" and isinstance(limit, exp.Limit):
-1423            limit = exp.Fetch(direction="FIRST", count=limit.expression)
-1424
-1425        fetch = isinstance(limit, exp.Fetch)
+1385        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
+1386
+1387    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
+1388        partition = self.partition_by_sql(expression)
+1389        order = self.sql(expression, "order")
+1390        measures = self.expressions(expression, key="measures")
+1391        measures = self.seg(f"MEASURES{self.seg(measures)}") if measures else ""
+1392        rows = self.sql(expression, "rows")
+1393        rows = self.seg(rows) if rows else ""
+1394        after = self.sql(expression, "after")
+1395        after = self.seg(after) if after else ""
+1396        pattern = self.sql(expression, "pattern")
+1397        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
+1398        definition_sqls = [
+1399            f"{self.sql(definition, 'alias')} AS {self.sql(definition, 'this')}"
+1400            for definition in expression.args.get("define", [])
+1401        ]
+1402        definitions = self.expressions(sqls=definition_sqls)
+1403        define = self.seg(f"DEFINE{self.seg(definitions)}") if definitions else ""
+1404        body = "".join(
+1405            (
+1406                partition,
+1407                order,
+1408                measures,
+1409                rows,
+1410                after,
+1411                pattern,
+1412                define,
+1413            )
+1414        )
+1415        alias = self.sql(expression, "alias")
+1416        alias = f" {alias}" if alias else ""
+1417        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}{alias}"
+1418
+1419    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
+1420        limit = expression.args.get("limit")
+1421
+1422        if self.LIMIT_FETCH == "LIMIT" and isinstance(limit, exp.Fetch):
+1423            limit = exp.Limit(expression=limit.args.get("count"))
+1424        elif self.LIMIT_FETCH == "FETCH" and isinstance(limit, exp.Limit):
+1425            limit = exp.Fetch(direction="FIRST", count=limit.expression)
 1426
-1427        return csv(
-1428            *sqls,
-1429            *[self.sql(sql) for sql in expression.args.get("joins") or []],
-1430            self.sql(expression, "match"),
-1431            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
-1432            self.sql(expression, "where"),
-1433            self.sql(expression, "group"),
-1434            self.sql(expression, "having"),
-1435            self.sql(expression, "qualify"),
-1436            self.seg("WINDOW ") + self.expressions(expression, key="windows", flat=True)
-1437            if expression.args.get("windows")
-1438            else "",
-1439            self.sql(expression, "distribute"),
-1440            self.sql(expression, "sort"),
-1441            self.sql(expression, "cluster"),
-1442            self.sql(expression, "order"),
-1443            self.sql(expression, "offset") if fetch else self.sql(limit),
-1444            self.sql(limit) if fetch else self.sql(expression, "offset"),
-1445            self.sql(expression, "lock"),
-1446            self.sql(expression, "sample"),
-1447            sep="",
-1448        )
-1449
-1450    def select_sql(self, expression: exp.Select) -> str:
-1451        kind = expression.args.get("kind")
-1452        kind = f" AS {kind}" if kind else ""
-1453        hint = self.sql(expression, "hint")
-1454        distinct = self.sql(expression, "distinct")
-1455        distinct = f" {distinct}" if distinct else ""
-1456        expressions = self.expressions(expression)
-1457        expressions = f"{self.sep()}{expressions}" if expressions else expressions
-1458        sql = self.query_modifiers(
-1459            expression,
-1460            f"SELECT{kind}{hint}{distinct}{expressions}",
-1461            self.sql(expression, "into", comment=False),
-1462            self.sql(expression, "from", comment=False),
-1463        )
-1464        return self.prepend_ctes(expression, sql)
-1465
-1466    def schema_sql(self, expression: exp.Schema) -> str:
-1467        this = self.sql(expression, "this")
-1468        this = f"{this} " if this else ""
-1469        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
-1470        return f"{this}{sql}"
-1471
-1472    def star_sql(self, expression: exp.Star) -> str:
-1473        except_ = self.expressions(expression, key="except", flat=True)
-1474        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
-1475        replace = self.expressions(expression, key="replace", flat=True)
-1476        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
-1477        return f"*{except_}{replace}"
-1478
-1479    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
-1480        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
-1481
-1482    def parameter_sql(self, expression: exp.Parameter) -> str:
-1483        this = self.sql(expression, "this")
-1484        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
-1485        return f"{self.PARAMETER_TOKEN}{this}"
-1486
-1487    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
-1488        this = self.sql(expression, "this")
-1489        kind = expression.text("kind")
-1490        if kind:
-1491            kind = f"{kind}."
-1492        return f"@@{kind}{this}"
-1493
-1494    def placeholder_sql(self, expression: exp.Placeholder) -> str:
-1495        return f":{expression.name}" if expression.name else "?"
-1496
-1497    def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str:
-1498        alias = self.sql(expression, "alias")
-1499        alias = f"{sep}{alias}" if alias else ""
-1500
-1501        sql = self.query_modifiers(
-1502            expression,
-1503            self.wrap(expression),
-1504            alias,
-1505            self.expressions(expression, key="pivots", sep=" "),
-1506        )
-1507
-1508        return self.prepend_ctes(expression, sql)
+1427        fetch = isinstance(limit, exp.Fetch)
+1428
+1429        return csv(
+1430            *sqls,
+1431            *[self.sql(sql) for sql in expression.args.get("joins") or []],
+1432            self.sql(expression, "match"),
+1433            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
+1434            self.sql(expression, "where"),
+1435            self.sql(expression, "group"),
+1436            self.sql(expression, "having"),
+1437            self.sql(expression, "qualify"),
+1438            self.seg("WINDOW ") + self.expressions(expression, key="windows", flat=True)
+1439            if expression.args.get("windows")
+1440            else "",
+1441            self.sql(expression, "distribute"),
+1442            self.sql(expression, "sort"),
+1443            self.sql(expression, "cluster"),
+1444            self.sql(expression, "order"),
+1445            self.sql(expression, "offset") if fetch else self.sql(limit),
+1446            self.sql(limit) if fetch else self.sql(expression, "offset"),
+1447            self.sql(expression, "lock"),
+1448            self.sql(expression, "sample"),
+1449            sep="",
+1450        )
+1451
+1452    def select_sql(self, expression: exp.Select) -> str:
+1453        kind = expression.args.get("kind")
+1454        kind = f" AS {kind}" if kind else ""
+1455        hint = self.sql(expression, "hint")
+1456        distinct = self.sql(expression, "distinct")
+1457        distinct = f" {distinct}" if distinct else ""
+1458        expressions = self.expressions(expression)
+1459        expressions = f"{self.sep()}{expressions}" if expressions else expressions
+1460        sql = self.query_modifiers(
+1461            expression,
+1462            f"SELECT{kind}{hint}{distinct}{expressions}",
+1463            self.sql(expression, "into", comment=False),
+1464            self.sql(expression, "from", comment=False),
+1465        )
+1466        return self.prepend_ctes(expression, sql)
+1467
+1468    def schema_sql(self, expression: exp.Schema) -> str:
+1469        this = self.sql(expression, "this")
+1470        this = f"{this} " if this else ""
+1471        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
+1472        return f"{this}{sql}"
+1473
+1474    def star_sql(self, expression: exp.Star) -> str:
+1475        except_ = self.expressions(expression, key="except", flat=True)
+1476        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
+1477        replace = self.expressions(expression, key="replace", flat=True)
+1478        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
+1479        return f"*{except_}{replace}"
+1480
+1481    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
+1482        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
+1483
+1484    def parameter_sql(self, expression: exp.Parameter) -> str:
+1485        this = self.sql(expression, "this")
+1486        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
+1487        return f"{self.PARAMETER_TOKEN}{this}"
+1488
+1489    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
+1490        this = self.sql(expression, "this")
+1491        kind = expression.text("kind")
+1492        if kind:
+1493            kind = f"{kind}."
+1494        return f"@@{kind}{this}"
+1495
+1496    def placeholder_sql(self, expression: exp.Placeholder) -> str:
+1497        return f":{expression.name}" if expression.name else "?"
+1498
+1499    def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str:
+1500        alias = self.sql(expression, "alias")
+1501        alias = f"{sep}{alias}" if alias else ""
+1502
+1503        sql = self.query_modifiers(
+1504            expression,
+1505            self.wrap(expression),
+1506            alias,
+1507            self.expressions(expression, key="pivots", sep=" "),
+1508        )
 1509
-1510    def qualify_sql(self, expression: exp.Qualify) -> str:
-1511        this = self.indent(self.sql(expression, "this"))
-1512        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
-1513
-1514    def union_sql(self, expression: exp.Union) -> str:
-1515        return self.prepend_ctes(
-1516            expression,
-1517            self.set_operation(expression, self.union_op(expression)),
-1518        )
-1519
-1520    def union_op(self, expression: exp.Union) -> str:
-1521        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
-1522        kind = kind if expression.args.get("distinct") else " ALL"
-1523        return f"UNION{kind}"
-1524
-1525    def unnest_sql(self, expression: exp.Unnest) -> str:
-1526        args = self.expressions(expression, flat=True)
-1527        alias = expression.args.get("alias")
-1528        if alias and self.unnest_column_only:
-1529            columns = alias.columns
-1530            alias = self.sql(columns[0]) if columns else ""
-1531        else:
-1532            alias = self.sql(expression, "alias")
-1533        alias = f" AS {alias}" if alias else alias
-1534        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
-1535        offset = expression.args.get("offset")
-1536        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
-1537        return f"UNNEST({args}){ordinality}{alias}{offset}"
-1538
-1539    def where_sql(self, expression: exp.Where) -> str:
-1540        this = self.indent(self.sql(expression, "this"))
-1541        return f"{self.seg('WHERE')}{self.sep()}{this}"
-1542
-1543    def window_sql(self, expression: exp.Window) -> str:
-1544        this = self.sql(expression, "this")
-1545
-1546        partition = self.partition_by_sql(expression)
+1510        return self.prepend_ctes(expression, sql)
+1511
+1512    def qualify_sql(self, expression: exp.Qualify) -> str:
+1513        this = self.indent(self.sql(expression, "this"))
+1514        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
+1515
+1516    def union_sql(self, expression: exp.Union) -> str:
+1517        return self.prepend_ctes(
+1518            expression,
+1519            self.set_operation(expression, self.union_op(expression)),
+1520        )
+1521
+1522    def union_op(self, expression: exp.Union) -> str:
+1523        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
+1524        kind = kind if expression.args.get("distinct") else " ALL"
+1525        return f"UNION{kind}"
+1526
+1527    def unnest_sql(self, expression: exp.Unnest) -> str:
+1528        args = self.expressions(expression, flat=True)
+1529        alias = expression.args.get("alias")
+1530        if alias and self.unnest_column_only:
+1531            columns = alias.columns
+1532            alias = self.sql(columns[0]) if columns else ""
+1533        else:
+1534            alias = self.sql(expression, "alias")
+1535        alias = f" AS {alias}" if alias else alias
+1536        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
+1537        offset = expression.args.get("offset")
+1538        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
+1539        return f"UNNEST({args}){ordinality}{alias}{offset}"
+1540
+1541    def where_sql(self, expression: exp.Where) -> str:
+1542        this = self.indent(self.sql(expression, "this"))
+1543        return f"{self.seg('WHERE')}{self.sep()}{this}"
+1544
+1545    def window_sql(self, expression: exp.Window) -> str:
+1546        this = self.sql(expression, "this")
 1547
-1548        order = expression.args.get("order")
-1549        order_sql = self.order_sql(order, flat=True) if order else ""
-1550
-1551        partition_sql = partition + " " if partition and order else partition
+1548        partition = self.partition_by_sql(expression)
+1549
+1550        order = expression.args.get("order")
+1551        order_sql = self.order_sql(order, flat=True) if order else ""
 1552
-1553        spec = expression.args.get("spec")
-1554        spec_sql = " " + self.window_spec_sql(spec) if spec else ""
-1555
-1556        alias = self.sql(expression, "alias")
-1557        this = f"{this} {'AS' if expression.arg_key == 'windows' else 'OVER'}"
-1558
-1559        if not partition and not order and not spec and alias:
-1560            return f"{this} {alias}"
+1553        partition_sql = partition + " " if partition and order else partition
+1554
+1555        spec = expression.args.get("spec")
+1556        spec_sql = " " + self.windowspec_sql(spec) if spec else ""
+1557
+1558        alias = self.sql(expression, "alias")
+1559        over = self.sql(expression, "over") or "OVER"
+1560        this = f"{this} {'AS' if expression.arg_key == 'windows' else over}"
 1561
-1562        window_args = alias + partition_sql + order_sql + spec_sql
-1563
-1564        return f"{this} ({window_args.strip()})"
-1565
-1566    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
-1567        partition = self.expressions(expression, key="partition_by", flat=True)
-1568        return f"PARTITION BY {partition}" if partition else ""
+1562        first = expression.args.get("first")
+1563        if first is not None:
+1564            first = " FIRST " if first else " LAST "
+1565        first = first or ""
+1566
+1567        if not partition and not order and not spec and alias:
+1568            return f"{this} {alias}"
 1569
-1570    def window_spec_sql(self, expression: exp.WindowSpec) -> str:
-1571        kind = self.sql(expression, "kind")
-1572        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
-1573        end = (
-1574            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
-1575            or "CURRENT ROW"
-1576        )
-1577        return f"{kind} BETWEEN {start} AND {end}"
-1578
-1579    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
-1580        this = self.sql(expression, "this")
-1581        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
-1582        return f"{this} WITHIN GROUP ({expression_sql})"
-1583
-1584    def between_sql(self, expression: exp.Between) -> str:
-1585        this = self.sql(expression, "this")
-1586        low = self.sql(expression, "low")
-1587        high = self.sql(expression, "high")
-1588        return f"{this} BETWEEN {low} AND {high}"
-1589
-1590    def bracket_sql(self, expression: exp.Bracket) -> str:
-1591        expressions = apply_index_offset(expression.this, expression.expressions, self.index_offset)
-1592        expressions_sql = ", ".join(self.sql(e) for e in expressions)
-1593
-1594        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
-1595
-1596    def all_sql(self, expression: exp.All) -> str:
-1597        return f"ALL {self.wrap(expression)}"
-1598
-1599    def any_sql(self, expression: exp.Any) -> str:
-1600        this = self.sql(expression, "this")
-1601        if isinstance(expression.this, exp.Subqueryable):
-1602            this = self.wrap(this)
-1603        return f"ANY {this}"
-1604
-1605    def exists_sql(self, expression: exp.Exists) -> str:
-1606        return f"EXISTS{self.wrap(expression)}"
-1607
-1608    def case_sql(self, expression: exp.Case) -> str:
-1609        this = self.sql(expression, "this")
-1610        statements = [f"CASE {this}" if this else "CASE"]
-1611
-1612        for e in expression.args["ifs"]:
-1613            statements.append(f"WHEN {self.sql(e, 'this')}")
-1614            statements.append(f"THEN {self.sql(e, 'true')}")
+1570        window_args = alias + first + partition_sql + order_sql + spec_sql
+1571
+1572        return f"{this} ({window_args.strip()})"
+1573
+1574    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
+1575        partition = self.expressions(expression, key="partition_by", flat=True)
+1576        return f"PARTITION BY {partition}" if partition else ""
+1577
+1578    def windowspec_sql(self, expression: exp.WindowSpec) -> str:
+1579        kind = self.sql(expression, "kind")
+1580        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
+1581        end = (
+1582            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
+1583            or "CURRENT ROW"
+1584        )
+1585        return f"{kind} BETWEEN {start} AND {end}"
+1586
+1587    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
+1588        this = self.sql(expression, "this")
+1589        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
+1590        return f"{this} WITHIN GROUP ({expression_sql})"
+1591
+1592    def between_sql(self, expression: exp.Between) -> str:
+1593        this = self.sql(expression, "this")
+1594        low = self.sql(expression, "low")
+1595        high = self.sql(expression, "high")
+1596        return f"{this} BETWEEN {low} AND {high}"
+1597
+1598    def bracket_sql(self, expression: exp.Bracket) -> str:
+1599        expressions = apply_index_offset(expression.this, expression.expressions, self.index_offset)
+1600        expressions_sql = ", ".join(self.sql(e) for e in expressions)
+1601
+1602        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
+1603
+1604    def all_sql(self, expression: exp.All) -> str:
+1605        return f"ALL {self.wrap(expression)}"
+1606
+1607    def any_sql(self, expression: exp.Any) -> str:
+1608        this = self.sql(expression, "this")
+1609        if isinstance(expression.this, exp.Subqueryable):
+1610            this = self.wrap(this)
+1611        return f"ANY {this}"
+1612
+1613    def exists_sql(self, expression: exp.Exists) -> str:
+1614        return f"EXISTS{self.wrap(expression)}"
 1615
-1616        default = self.sql(expression, "default")
-1617
-1618        if default:
-1619            statements.append(f"ELSE {default}")
-1620
-1621        statements.append("END")
-1622
-1623        if self.pretty and self.text_width(statements) > self._max_text_width:
-1624            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+1616    def case_sql(self, expression: exp.Case) -> str:
+1617        this = self.sql(expression, "this")
+1618        statements = [f"CASE {this}" if this else "CASE"]
+1619
+1620        for e in expression.args["ifs"]:
+1621            statements.append(f"WHEN {self.sql(e, 'this')}")
+1622            statements.append(f"THEN {self.sql(e, 'true')}")
+1623
+1624        default = self.sql(expression, "default")
 1625
-1626        return " ".join(statements)
-1627
-1628    def constraint_sql(self, expression: exp.Constraint) -> str:
-1629        this = self.sql(expression, "this")
-1630        expressions = self.expressions(expression, flat=True)
-1631        return f"CONSTRAINT {this} {expressions}"
-1632
-1633    def extract_sql(self, expression: exp.Extract) -> str:
-1634        this = self.sql(expression, "this")
-1635        expression_sql = self.sql(expression, "expression")
-1636        return f"EXTRACT({this} FROM {expression_sql})"
-1637
-1638    def trim_sql(self, expression: exp.Trim) -> str:
-1639        trim_type = self.sql(expression, "position")
+1626        if default:
+1627            statements.append(f"ELSE {default}")
+1628
+1629        statements.append("END")
+1630
+1631        if self.pretty and self.text_width(statements) > self._max_text_width:
+1632            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+1633
+1634        return " ".join(statements)
+1635
+1636    def constraint_sql(self, expression: exp.Constraint) -> str:
+1637        this = self.sql(expression, "this")
+1638        expressions = self.expressions(expression, flat=True)
+1639        return f"CONSTRAINT {this} {expressions}"
 1640
-1641        if trim_type == "LEADING":
-1642            return self.func("LTRIM", expression.this)
-1643        elif trim_type == "TRAILING":
-1644            return self.func("RTRIM", expression.this)
-1645        else:
-1646            return self.func("TRIM", expression.this, expression.expression)
-1647
-1648    def concat_sql(self, expression: exp.Concat) -> str:
-1649        if len(expression.expressions) == 1:
-1650            return self.sql(expression.expressions[0])
-1651        return self.function_fallback_sql(expression)
-1652
-1653    def check_sql(self, expression: exp.Check) -> str:
-1654        this = self.sql(expression, key="this")
-1655        return f"CHECK ({this})"
-1656
-1657    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
-1658        expressions = self.expressions(expression, flat=True)
-1659        reference = self.sql(expression, "reference")
-1660        reference = f" {reference}" if reference else ""
-1661        delete = self.sql(expression, "delete")
-1662        delete = f" ON DELETE {delete}" if delete else ""
-1663        update = self.sql(expression, "update")
-1664        update = f" ON UPDATE {update}" if update else ""
-1665        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
-1666
-1667    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
-1668        expressions = self.expressions(expression, flat=True)
-1669        options = self.expressions(expression, key="options", flat=True, sep=" ")
-1670        options = f" {options}" if options else ""
-1671        return f"PRIMARY KEY ({expressions}){options}"
-1672
-1673    def unique_sql(self, expression: exp.Unique) -> str:
-1674        columns = self.expressions(expression, key="expressions")
-1675        return f"UNIQUE ({columns})"
-1676
-1677    def if_sql(self, expression: exp.If) -> str:
-1678        return self.case_sql(
-1679            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
-1680        )
-1681
-1682    def matchagainst_sql(self, expression: exp.MatchAgainst) -> str:
-1683        modifier = expression.args.get("modifier")
-1684        modifier = f" {modifier}" if modifier else ""
-1685        return f"{self.func('MATCH', *expression.expressions)} AGAINST({self.sql(expression, 'this')}{modifier})"
-1686
-1687    def jsonkeyvalue_sql(self, expression: exp.JSONKeyValue) -> str:
-1688        return f"{self.sql(expression, 'this')}: {self.sql(expression, 'expression')}"
+1641    def nextvaluefor_sql(self, expression: exp.NextValueFor) -> str:
+1642        order = expression.args.get("order")
+1643        order = f" OVER ({self.order_sql(order, flat=True)})" if order else ""
+1644        return f"NEXT VALUE FOR {self.sql(expression, 'this')}{order}"
+1645
+1646    def extract_sql(self, expression: exp.Extract) -> str:
+1647        this = self.sql(expression, "this")
+1648        expression_sql = self.sql(expression, "expression")
+1649        return f"EXTRACT({this} FROM {expression_sql})"
+1650
+1651    def trim_sql(self, expression: exp.Trim) -> str:
+1652        trim_type = self.sql(expression, "position")
+1653
+1654        if trim_type == "LEADING":
+1655            return self.func("LTRIM", expression.this)
+1656        elif trim_type == "TRAILING":
+1657            return self.func("RTRIM", expression.this)
+1658        else:
+1659            return self.func("TRIM", expression.this, expression.expression)
+1660
+1661    def concat_sql(self, expression: exp.Concat) -> str:
+1662        if len(expression.expressions) == 1:
+1663            return self.sql(expression.expressions[0])
+1664        return self.function_fallback_sql(expression)
+1665
+1666    def check_sql(self, expression: exp.Check) -> str:
+1667        this = self.sql(expression, key="this")
+1668        return f"CHECK ({this})"
+1669
+1670    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
+1671        expressions = self.expressions(expression, flat=True)
+1672        reference = self.sql(expression, "reference")
+1673        reference = f" {reference}" if reference else ""
+1674        delete = self.sql(expression, "delete")
+1675        delete = f" ON DELETE {delete}" if delete else ""
+1676        update = self.sql(expression, "update")
+1677        update = f" ON UPDATE {update}" if update else ""
+1678        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
+1679
+1680    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
+1681        expressions = self.expressions(expression, flat=True)
+1682        options = self.expressions(expression, key="options", flat=True, sep=" ")
+1683        options = f" {options}" if options else ""
+1684        return f"PRIMARY KEY ({expressions}){options}"
+1685
+1686    def unique_sql(self, expression: exp.Unique) -> str:
+1687        columns = self.expressions(expression, key="expressions")
+1688        return f"UNIQUE ({columns})"
 1689
-1690    def jsonobject_sql(self, expression: exp.JSONObject) -> str:
-1691        expressions = self.expressions(expression)
-1692        null_handling = expression.args.get("null_handling")
-1693        null_handling = f" {null_handling}" if null_handling else ""
-1694        unique_keys = expression.args.get("unique_keys")
-1695        if unique_keys is not None:
-1696            unique_keys = f" {'WITH' if unique_keys else 'WITHOUT'} UNIQUE KEYS"
-1697        else:
-1698            unique_keys = ""
-1699        return_type = self.sql(expression, "return_type")
-1700        return_type = f" RETURNING {return_type}" if return_type else ""
-1701        format_json = " FORMAT JSON" if expression.args.get("format_json") else ""
-1702        encoding = self.sql(expression, "encoding")
-1703        encoding = f" ENCODING {encoding}" if encoding else ""
-1704        return f"JSON_OBJECT({expressions}{null_handling}{unique_keys}{return_type}{format_json}{encoding})"
-1705
-1706    def in_sql(self, expression: exp.In) -> str:
-1707        query = expression.args.get("query")
-1708        unnest = expression.args.get("unnest")
-1709        field = expression.args.get("field")
-1710        is_global = " GLOBAL" if expression.args.get("is_global") else ""
-1711
-1712        if query:
-1713            in_sql = self.wrap(query)
-1714        elif unnest:
-1715            in_sql = self.in_unnest_op(unnest)
-1716        elif field:
-1717            in_sql = self.sql(field)
-1718        else:
-1719            in_sql = f"({self.expressions(expression, flat=True)})"
-1720
-1721        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
-1722
-1723    def in_unnest_op(self, unnest: exp.Unnest) -> str:
-1724        return f"(SELECT {self.sql(unnest)})"
-1725
-1726    def interval_sql(self, expression: exp.Interval) -> str:
-1727        unit = self.sql(expression, "unit")
-1728        if not self.INTERVAL_ALLOWS_PLURAL_FORM:
-1729            unit = self.TIME_PART_SINGULARS.get(unit.lower(), unit)
-1730        unit = f" {unit}" if unit else ""
-1731
-1732        if self.SINGLE_STRING_INTERVAL:
-1733            this = expression.this.name if expression.this else ""
-1734            return f"INTERVAL '{this}{unit}'"
+1690    def if_sql(self, expression: exp.If) -> str:
+1691        return self.case_sql(
+1692            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
+1693        )
+1694
+1695    def matchagainst_sql(self, expression: exp.MatchAgainst) -> str:
+1696        modifier = expression.args.get("modifier")
+1697        modifier = f" {modifier}" if modifier else ""
+1698        return f"{self.func('MATCH', *expression.expressions)} AGAINST({self.sql(expression, 'this')}{modifier})"
+1699
+1700    def jsonkeyvalue_sql(self, expression: exp.JSONKeyValue) -> str:
+1701        return f"{self.sql(expression, 'this')}: {self.sql(expression, 'expression')}"
+1702
+1703    def jsonobject_sql(self, expression: exp.JSONObject) -> str:
+1704        expressions = self.expressions(expression)
+1705        null_handling = expression.args.get("null_handling")
+1706        null_handling = f" {null_handling}" if null_handling else ""
+1707        unique_keys = expression.args.get("unique_keys")
+1708        if unique_keys is not None:
+1709            unique_keys = f" {'WITH' if unique_keys else 'WITHOUT'} UNIQUE KEYS"
+1710        else:
+1711            unique_keys = ""
+1712        return_type = self.sql(expression, "return_type")
+1713        return_type = f" RETURNING {return_type}" if return_type else ""
+1714        format_json = " FORMAT JSON" if expression.args.get("format_json") else ""
+1715        encoding = self.sql(expression, "encoding")
+1716        encoding = f" ENCODING {encoding}" if encoding else ""
+1717        return f"JSON_OBJECT({expressions}{null_handling}{unique_keys}{return_type}{format_json}{encoding})"
+1718
+1719    def in_sql(self, expression: exp.In) -> str:
+1720        query = expression.args.get("query")
+1721        unnest = expression.args.get("unnest")
+1722        field = expression.args.get("field")
+1723        is_global = " GLOBAL" if expression.args.get("is_global") else ""
+1724
+1725        if query:
+1726            in_sql = self.wrap(query)
+1727        elif unnest:
+1728            in_sql = self.in_unnest_op(unnest)
+1729        elif field:
+1730            in_sql = self.sql(field)
+1731        else:
+1732            in_sql = f"({self.expressions(expression, flat=True)})"
+1733
+1734        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
 1735
-1736        this = self.sql(expression, "this")
-1737        if this:
-1738            unwrapped = isinstance(expression.this, self.UNWRAPPED_INTERVAL_VALUES)
-1739            this = f" {this}" if unwrapped else f" ({this})"
-1740
-1741        return f"INTERVAL{this}{unit}"
-1742
-1743    def return_sql(self, expression: exp.Return) -> str:
-1744        return f"RETURN {self.sql(expression, 'this')}"
-1745
-1746    def reference_sql(self, expression: exp.Reference) -> str:
-1747        this = self.sql(expression, "this")
-1748        expressions = self.expressions(expression, flat=True)
-1749        expressions = f"({expressions})" if expressions else ""
-1750        options = self.expressions(expression, key="options", flat=True, sep=" ")
-1751        options = f" {options}" if options else ""
-1752        return f"REFERENCES {this}{expressions}{options}"
+1736    def in_unnest_op(self, unnest: exp.Unnest) -> str:
+1737        return f"(SELECT {self.sql(unnest)})"
+1738
+1739    def interval_sql(self, expression: exp.Interval) -> str:
+1740        unit = self.sql(expression, "unit")
+1741        if not self.INTERVAL_ALLOWS_PLURAL_FORM:
+1742            unit = self.TIME_PART_SINGULARS.get(unit.lower(), unit)
+1743        unit = f" {unit}" if unit else ""
+1744
+1745        if self.SINGLE_STRING_INTERVAL:
+1746            this = expression.this.name if expression.this else ""
+1747            return f"INTERVAL '{this}{unit}'"
+1748
+1749        this = self.sql(expression, "this")
+1750        if this:
+1751            unwrapped = isinstance(expression.this, self.UNWRAPPED_INTERVAL_VALUES)
+1752            this = f" {this}" if unwrapped else f" ({this})"
 1753
-1754    def anonymous_sql(self, expression: exp.Anonymous) -> str:
-1755        return self.func(expression.name, *expression.expressions)
-1756
-1757    def paren_sql(self, expression: exp.Paren) -> str:
-1758        if isinstance(expression.unnest(), exp.Select):
-1759            sql = self.wrap(expression)
-1760        else:
-1761            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
-1762            sql = f"({sql}{self.seg(')', sep='')}"
-1763
-1764        return self.prepend_ctes(expression, sql)
-1765
-1766    def neg_sql(self, expression: exp.Neg) -> str:
-1767        # This makes sure we don't convert "- - 5" to "--5", which is a comment
-1768        this_sql = self.sql(expression, "this")
-1769        sep = " " if this_sql[0] == "-" else ""
-1770        return f"-{sep}{this_sql}"
-1771
-1772    def not_sql(self, expression: exp.Not) -> str:
-1773        return f"NOT {self.sql(expression, 'this')}"
-1774
-1775    def alias_sql(self, expression: exp.Alias) -> str:
-1776        alias = self.sql(expression, "alias")
-1777        alias = f" AS {alias}" if alias else ""
-1778        return f"{self.sql(expression, 'this')}{alias}"
-1779
-1780    def aliases_sql(self, expression: exp.Aliases) -> str:
-1781        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
-1782
-1783    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
-1784        this = self.sql(expression, "this")
-1785        zone = self.sql(expression, "zone")
-1786        return f"{this} AT TIME ZONE {zone}"
+1754        return f"INTERVAL{this}{unit}"
+1755
+1756    def return_sql(self, expression: exp.Return) -> str:
+1757        return f"RETURN {self.sql(expression, 'this')}"
+1758
+1759    def reference_sql(self, expression: exp.Reference) -> str:
+1760        this = self.sql(expression, "this")
+1761        expressions = self.expressions(expression, flat=True)
+1762        expressions = f"({expressions})" if expressions else ""
+1763        options = self.expressions(expression, key="options", flat=True, sep=" ")
+1764        options = f" {options}" if options else ""
+1765        return f"REFERENCES {this}{expressions}{options}"
+1766
+1767    def anonymous_sql(self, expression: exp.Anonymous) -> str:
+1768        return self.func(expression.name, *expression.expressions)
+1769
+1770    def paren_sql(self, expression: exp.Paren) -> str:
+1771        if isinstance(expression.unnest(), exp.Select):
+1772            sql = self.wrap(expression)
+1773        else:
+1774            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
+1775            sql = f"({sql}{self.seg(')', sep='')}"
+1776
+1777        return self.prepend_ctes(expression, sql)
+1778
+1779    def neg_sql(self, expression: exp.Neg) -> str:
+1780        # This makes sure we don't convert "- - 5" to "--5", which is a comment
+1781        this_sql = self.sql(expression, "this")
+1782        sep = " " if this_sql[0] == "-" else ""
+1783        return f"-{sep}{this_sql}"
+1784
+1785    def not_sql(self, expression: exp.Not) -> str:
+1786        return f"NOT {self.sql(expression, 'this')}"
 1787
-1788    def add_sql(self, expression: exp.Add) -> str:
-1789        return self.binary(expression, "+")
-1790
-1791    def and_sql(self, expression: exp.And) -> str:
-1792        return self.connector_sql(expression, "AND")
-1793
-1794    def connector_sql(self, expression: exp.Connector, op: str) -> str:
-1795        if not self.pretty:
-1796            return self.binary(expression, op)
-1797
-1798        sqls = tuple(
-1799            self.maybe_comment(self.sql(e), e, e.parent.comments) if i != 1 else self.sql(e)
-1800            for i, e in enumerate(expression.flatten(unnest=False))
-1801        )
-1802
-1803        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
-1804        return f"{sep}{op} ".join(sqls)
-1805
-1806    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
-1807        return self.binary(expression, "&")
-1808
-1809    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
-1810        return self.binary(expression, "<<")
-1811
-1812    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
-1813        return f"~{self.sql(expression, 'this')}"
-1814
-1815    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
-1816        return self.binary(expression, "|")
-1817
-1818    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
-1819        return self.binary(expression, ">>")
-1820
-1821    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
-1822        return self.binary(expression, "^")
-1823
-1824    def cast_sql(self, expression: exp.Cast) -> str:
-1825        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
-1826
-1827    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
-1828        zone = self.sql(expression, "this")
-1829        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
+1788    def alias_sql(self, expression: exp.Alias) -> str:
+1789        alias = self.sql(expression, "alias")
+1790        alias = f" AS {alias}" if alias else ""
+1791        return f"{self.sql(expression, 'this')}{alias}"
+1792
+1793    def aliases_sql(self, expression: exp.Aliases) -> str:
+1794        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
+1795
+1796    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
+1797        this = self.sql(expression, "this")
+1798        zone = self.sql(expression, "zone")
+1799        return f"{this} AT TIME ZONE {zone}"
+1800
+1801    def add_sql(self, expression: exp.Add) -> str:
+1802        return self.binary(expression, "+")
+1803
+1804    def and_sql(self, expression: exp.And) -> str:
+1805        return self.connector_sql(expression, "AND")
+1806
+1807    def connector_sql(self, expression: exp.Connector, op: str) -> str:
+1808        if not self.pretty:
+1809            return self.binary(expression, op)
+1810
+1811        sqls = tuple(
+1812            self.maybe_comment(self.sql(e), e, e.parent.comments) if i != 1 else self.sql(e)
+1813            for i, e in enumerate(expression.flatten(unnest=False))
+1814        )
+1815
+1816        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
+1817        return f"{sep}{op} ".join(sqls)
+1818
+1819    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
+1820        return self.binary(expression, "&")
+1821
+1822    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
+1823        return self.binary(expression, "<<")
+1824
+1825    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
+1826        return f"~{self.sql(expression, 'this')}"
+1827
+1828    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
+1829        return self.binary(expression, "|")
 1830
-1831    def collate_sql(self, expression: exp.Collate) -> str:
-1832        return self.binary(expression, "COLLATE")
+1831    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
+1832        return self.binary(expression, ">>")
 1833
-1834    def command_sql(self, expression: exp.Command) -> str:
-1835        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
+1834    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
+1835        return self.binary(expression, "^")
 1836
-1837    def comment_sql(self, expression: exp.Comment) -> str:
-1838        this = self.sql(expression, "this")
-1839        kind = expression.args["kind"]
-1840        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
-1841        expression_sql = self.sql(expression, "expression")
-1842        return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}"
+1837    def cast_sql(self, expression: exp.Cast) -> str:
+1838        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+1839
+1840    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
+1841        zone = self.sql(expression, "this")
+1842        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
 1843
-1844    def transaction_sql(self, expression: exp.Transaction) -> str:
-1845        return "BEGIN"
+1844    def collate_sql(self, expression: exp.Collate) -> str:
+1845        return self.binary(expression, "COLLATE")
 1846
-1847    def commit_sql(self, expression: exp.Commit) -> str:
-1848        chain = expression.args.get("chain")
-1849        if chain is not None:
-1850            chain = " AND CHAIN" if chain else " AND NO CHAIN"
-1851
-1852        return f"COMMIT{chain or ''}"
-1853
-1854    def rollback_sql(self, expression: exp.Rollback) -> str:
-1855        savepoint = expression.args.get("savepoint")
-1856        savepoint = f" TO {savepoint}" if savepoint else ""
-1857        return f"ROLLBACK{savepoint}"
-1858
-1859    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
-1860        this = self.sql(expression, "this")
-1861
-1862        dtype = self.sql(expression, "dtype")
-1863        if dtype:
-1864            collate = self.sql(expression, "collate")
-1865            collate = f" COLLATE {collate}" if collate else ""
-1866            using = self.sql(expression, "using")
-1867            using = f" USING {using}" if using else ""
-1868            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
-1869
-1870        default = self.sql(expression, "default")
-1871        if default:
-1872            return f"ALTER COLUMN {this} SET DEFAULT {default}"
-1873
-1874        if not expression.args.get("drop"):
-1875            self.unsupported("Unsupported ALTER COLUMN syntax")
-1876
-1877        return f"ALTER COLUMN {this} DROP DEFAULT"
-1878
-1879    def renametable_sql(self, expression: exp.RenameTable) -> str:
-1880        this = self.sql(expression, "this")
-1881        return f"RENAME TO {this}"
+1847    def command_sql(self, expression: exp.Command) -> str:
+1848        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
+1849
+1850    def comment_sql(self, expression: exp.Comment) -> str:
+1851        this = self.sql(expression, "this")
+1852        kind = expression.args["kind"]
+1853        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
+1854        expression_sql = self.sql(expression, "expression")
+1855        return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}"
+1856
+1857    def transaction_sql(self, expression: exp.Transaction) -> str:
+1858        return "BEGIN"
+1859
+1860    def commit_sql(self, expression: exp.Commit) -> str:
+1861        chain = expression.args.get("chain")
+1862        if chain is not None:
+1863            chain = " AND CHAIN" if chain else " AND NO CHAIN"
+1864
+1865        return f"COMMIT{chain or ''}"
+1866
+1867    def rollback_sql(self, expression: exp.Rollback) -> str:
+1868        savepoint = expression.args.get("savepoint")
+1869        savepoint = f" TO {savepoint}" if savepoint else ""
+1870        return f"ROLLBACK{savepoint}"
+1871
+1872    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
+1873        this = self.sql(expression, "this")
+1874
+1875        dtype = self.sql(expression, "dtype")
+1876        if dtype:
+1877            collate = self.sql(expression, "collate")
+1878            collate = f" COLLATE {collate}" if collate else ""
+1879            using = self.sql(expression, "using")
+1880            using = f" USING {using}" if using else ""
+1881            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
 1882
-1883    def altertable_sql(self, expression: exp.AlterTable) -> str:
-1884        actions = expression.args["actions"]
-1885
-1886        if isinstance(actions[0], exp.ColumnDef):
-1887            actions = self.expressions(expression, key="actions", prefix="ADD COLUMN ")
-1888        elif isinstance(actions[0], exp.Schema):
-1889            actions = self.expressions(expression, key="actions", prefix="ADD COLUMNS ")
-1890        elif isinstance(actions[0], exp.Delete):
-1891            actions = self.expressions(expression, key="actions", flat=True)
-1892        else:
-1893            actions = self.expressions(expression, key="actions")
-1894
-1895        exists = " IF EXISTS" if expression.args.get("exists") else ""
-1896        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
-1897
-1898    def droppartition_sql(self, expression: exp.DropPartition) -> str:
-1899        expressions = self.expressions(expression)
-1900        exists = " IF EXISTS " if expression.args.get("exists") else " "
-1901        return f"DROP{exists}{expressions}"
-1902
-1903    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
-1904        this = self.sql(expression, "this")
-1905        expression_ = self.sql(expression, "expression")
-1906        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
+1883        default = self.sql(expression, "default")
+1884        if default:
+1885            return f"ALTER COLUMN {this} SET DEFAULT {default}"
+1886
+1887        if not expression.args.get("drop"):
+1888            self.unsupported("Unsupported ALTER COLUMN syntax")
+1889
+1890        return f"ALTER COLUMN {this} DROP DEFAULT"
+1891
+1892    def renametable_sql(self, expression: exp.RenameTable) -> str:
+1893        this = self.sql(expression, "this")
+1894        return f"RENAME TO {this}"
+1895
+1896    def altertable_sql(self, expression: exp.AlterTable) -> str:
+1897        actions = expression.args["actions"]
+1898
+1899        if isinstance(actions[0], exp.ColumnDef):
+1900            actions = self.expressions(expression, key="actions", prefix="ADD COLUMN ")
+1901        elif isinstance(actions[0], exp.Schema):
+1902            actions = self.expressions(expression, key="actions", prefix="ADD COLUMNS ")
+1903        elif isinstance(actions[0], exp.Delete):
+1904            actions = self.expressions(expression, key="actions", flat=True)
+1905        else:
+1906            actions = self.expressions(expression, key="actions")
 1907
-1908        enforced = expression.args.get("enforced")
-1909        if enforced is not None:
-1910            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
-1911
-1912        return f"{add_constraint} {expression_}"
-1913
-1914    def distinct_sql(self, expression: exp.Distinct) -> str:
-1915        this = self.expressions(expression, flat=True)
-1916        this = f" {this}" if this else ""
-1917
-1918        on = self.sql(expression, "on")
-1919        on = f" ON {on}" if on else ""
-1920        return f"DISTINCT{this}{on}"
-1921
-1922    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
-1923        return f"{self.sql(expression, 'this')} IGNORE NULLS"
+1908        exists = " IF EXISTS" if expression.args.get("exists") else ""
+1909        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
+1910
+1911    def droppartition_sql(self, expression: exp.DropPartition) -> str:
+1912        expressions = self.expressions(expression)
+1913        exists = " IF EXISTS " if expression.args.get("exists") else " "
+1914        return f"DROP{exists}{expressions}"
+1915
+1916    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
+1917        this = self.sql(expression, "this")
+1918        expression_ = self.sql(expression, "expression")
+1919        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
+1920
+1921        enforced = expression.args.get("enforced")
+1922        if enforced is not None:
+1923            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
 1924
-1925    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
-1926        return f"{self.sql(expression, 'this')} RESPECT NULLS"
-1927
-1928    def intdiv_sql(self, expression: exp.IntDiv) -> str:
-1929        return self.sql(
-1930            exp.Cast(
-1931                this=exp.Div(this=expression.this, expression=expression.expression),
-1932                to=exp.DataType(this=exp.DataType.Type.INT),
-1933            )
-1934        )
-1935
-1936    def dpipe_sql(self, expression: exp.DPipe) -> str:
-1937        return self.binary(expression, "||")
-1938
-1939    def div_sql(self, expression: exp.Div) -> str:
-1940        return self.binary(expression, "/")
-1941
-1942    def overlaps_sql(self, expression: exp.Overlaps) -> str:
-1943        return self.binary(expression, "OVERLAPS")
-1944
-1945    def distance_sql(self, expression: exp.Distance) -> str:
-1946        return self.binary(expression, "<->")
-1947
-1948    def dot_sql(self, expression: exp.Dot) -> str:
-1949        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
-1950
-1951    def eq_sql(self, expression: exp.EQ) -> str:
-1952        return self.binary(expression, "=")
-1953
-1954    def escape_sql(self, expression: exp.Escape) -> str:
-1955        return self.binary(expression, "ESCAPE")
-1956
-1957    def glob_sql(self, expression: exp.Glob) -> str:
-1958        return self.binary(expression, "GLOB")
-1959
-1960    def gt_sql(self, expression: exp.GT) -> str:
-1961        return self.binary(expression, ">")
-1962
-1963    def gte_sql(self, expression: exp.GTE) -> str:
-1964        return self.binary(expression, ">=")
-1965
-1966    def ilike_sql(self, expression: exp.ILike) -> str:
-1967        return self.binary(expression, "ILIKE")
-1968
-1969    def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
-1970        return self.binary(expression, "ILIKE ANY")
-1971
-1972    def is_sql(self, expression: exp.Is) -> str:
-1973        return self.binary(expression, "IS")
-1974
-1975    def like_sql(self, expression: exp.Like) -> str:
-1976        return self.binary(expression, "LIKE")
-1977
-1978    def likeany_sql(self, expression: exp.LikeAny) -> str:
-1979        return self.binary(expression, "LIKE ANY")
-1980
-1981    def similarto_sql(self, expression: exp.SimilarTo) -> str:
-1982        return self.binary(expression, "SIMILAR TO")
-1983
-1984    def lt_sql(self, expression: exp.LT) -> str:
-1985        return self.binary(expression, "<")
-1986
-1987    def lte_sql(self, expression: exp.LTE) -> str:
-1988        return self.binary(expression, "<=")
-1989
-1990    def mod_sql(self, expression: exp.Mod) -> str:
-1991        return self.binary(expression, "%")
-1992
-1993    def mul_sql(self, expression: exp.Mul) -> str:
-1994        return self.binary(expression, "*")
-1995
-1996    def neq_sql(self, expression: exp.NEQ) -> str:
-1997        return self.binary(expression, "<>")
-1998
-1999    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
-2000        return self.binary(expression, "IS NOT DISTINCT FROM")
-2001
-2002    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
-2003        return self.binary(expression, "IS DISTINCT FROM")
-2004
-2005    def or_sql(self, expression: exp.Or) -> str:
-2006        return self.connector_sql(expression, "OR")
-2007
-2008    def slice_sql(self, expression: exp.Slice) -> str:
-2009        return self.binary(expression, ":")
-2010
-2011    def sub_sql(self, expression: exp.Sub) -> str:
-2012        return self.binary(expression, "-")
-2013
-2014    def trycast_sql(self, expression: exp.TryCast) -> str:
-2015        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
-2016
-2017    def use_sql(self, expression: exp.Use) -> str:
-2018        kind = self.sql(expression, "kind")
-2019        kind = f" {kind}" if kind else ""
-2020        this = self.sql(expression, "this")
-2021        this = f" {this}" if this else ""
-2022        return f"USE{kind}{this}"
+1925        return f"{add_constraint} {expression_}"
+1926
+1927    def distinct_sql(self, expression: exp.Distinct) -> str:
+1928        this = self.expressions(expression, flat=True)
+1929        this = f" {this}" if this else ""
+1930
+1931        on = self.sql(expression, "on")
+1932        on = f" ON {on}" if on else ""
+1933        return f"DISTINCT{this}{on}"
+1934
+1935    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
+1936        return f"{self.sql(expression, 'this')} IGNORE NULLS"
+1937
+1938    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
+1939        return f"{self.sql(expression, 'this')} RESPECT NULLS"
+1940
+1941    def intdiv_sql(self, expression: exp.IntDiv) -> str:
+1942        return self.sql(
+1943            exp.Cast(
+1944                this=exp.Div(this=expression.this, expression=expression.expression),
+1945                to=exp.DataType(this=exp.DataType.Type.INT),
+1946            )
+1947        )
+1948
+1949    def dpipe_sql(self, expression: exp.DPipe) -> str:
+1950        return self.binary(expression, "||")
+1951
+1952    def div_sql(self, expression: exp.Div) -> str:
+1953        return self.binary(expression, "/")
+1954
+1955    def overlaps_sql(self, expression: exp.Overlaps) -> str:
+1956        return self.binary(expression, "OVERLAPS")
+1957
+1958    def distance_sql(self, expression: exp.Distance) -> str:
+1959        return self.binary(expression, "<->")
+1960
+1961    def dot_sql(self, expression: exp.Dot) -> str:
+1962        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
+1963
+1964    def eq_sql(self, expression: exp.EQ) -> str:
+1965        return self.binary(expression, "=")
+1966
+1967    def escape_sql(self, expression: exp.Escape) -> str:
+1968        return self.binary(expression, "ESCAPE")
+1969
+1970    def glob_sql(self, expression: exp.Glob) -> str:
+1971        return self.binary(expression, "GLOB")
+1972
+1973    def gt_sql(self, expression: exp.GT) -> str:
+1974        return self.binary(expression, ">")
+1975
+1976    def gte_sql(self, expression: exp.GTE) -> str:
+1977        return self.binary(expression, ">=")
+1978
+1979    def ilike_sql(self, expression: exp.ILike) -> str:
+1980        return self.binary(expression, "ILIKE")
+1981
+1982    def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
+1983        return self.binary(expression, "ILIKE ANY")
+1984
+1985    def is_sql(self, expression: exp.Is) -> str:
+1986        return self.binary(expression, "IS")
+1987
+1988    def like_sql(self, expression: exp.Like) -> str:
+1989        return self.binary(expression, "LIKE")
+1990
+1991    def likeany_sql(self, expression: exp.LikeAny) -> str:
+1992        return self.binary(expression, "LIKE ANY")
+1993
+1994    def similarto_sql(self, expression: exp.SimilarTo) -> str:
+1995        return self.binary(expression, "SIMILAR TO")
+1996
+1997    def lt_sql(self, expression: exp.LT) -> str:
+1998        return self.binary(expression, "<")
+1999
+2000    def lte_sql(self, expression: exp.LTE) -> str:
+2001        return self.binary(expression, "<=")
+2002
+2003    def mod_sql(self, expression: exp.Mod) -> str:
+2004        return self.binary(expression, "%")
+2005
+2006    def mul_sql(self, expression: exp.Mul) -> str:
+2007        return self.binary(expression, "*")
+2008
+2009    def neq_sql(self, expression: exp.NEQ) -> str:
+2010        return self.binary(expression, "<>")
+2011
+2012    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
+2013        return self.binary(expression, "IS NOT DISTINCT FROM")
+2014
+2015    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
+2016        return self.binary(expression, "IS DISTINCT FROM")
+2017
+2018    def or_sql(self, expression: exp.Or) -> str:
+2019        return self.connector_sql(expression, "OR")
+2020
+2021    def slice_sql(self, expression: exp.Slice) -> str:
+2022        return self.binary(expression, ":")
 2023
-2024    def binary(self, expression: exp.Binary, op: str) -> str:
-2025        op = self.maybe_comment(op, comments=expression.comments)
-2026        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
-2027
-2028    def function_fallback_sql(self, expression: exp.Func) -> str:
-2029        args = []
-2030        for arg_value in expression.args.values():
-2031            if isinstance(arg_value, list):
-2032                for value in arg_value:
-2033                    args.append(value)
-2034            else:
-2035                args.append(arg_value)
+2024    def sub_sql(self, expression: exp.Sub) -> str:
+2025        return self.binary(expression, "-")
+2026
+2027    def trycast_sql(self, expression: exp.TryCast) -> str:
+2028        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+2029
+2030    def use_sql(self, expression: exp.Use) -> str:
+2031        kind = self.sql(expression, "kind")
+2032        kind = f" {kind}" if kind else ""
+2033        this = self.sql(expression, "this")
+2034        this = f" {this}" if this else ""
+2035        return f"USE{kind}{this}"
 2036
-2037        return self.func(expression.sql_name(), *args)
-2038
-2039    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
-2040        return f"{self.normalize_func(name)}({self.format_args(*args)})"
-2041
-2042    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
-2043        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
-2044        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
-2045            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
-2046        return ", ".join(arg_sqls)
-2047
-2048    def text_width(self, args: t.Iterable) -> int:
-2049        return sum(len(arg) for arg in args)
-2050
-2051    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
-2052        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
-2053
-2054    def expressions(
-2055        self,
-2056        expression: t.Optional[exp.Expression] = None,
-2057        key: t.Optional[str] = None,
-2058        sqls: t.Optional[t.List[str]] = None,
-2059        flat: bool = False,
-2060        indent: bool = True,
-2061        sep: str = ", ",
-2062        prefix: str = "",
-2063    ) -> str:
-2064        expressions = expression.args.get(key or "expressions") if expression else sqls
-2065
-2066        if not expressions:
-2067            return ""
-2068
-2069        if flat:
-2070            return sep.join(self.sql(e) for e in expressions)
-2071
-2072        num_sqls = len(expressions)
-2073
-2074        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
-2075        pad = " " * self.pad
-2076        stripped_sep = sep.strip()
-2077
-2078        result_sqls = []
-2079        for i, e in enumerate(expressions):
-2080            sql = self.sql(e, comment=False)
-2081            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
-2082
-2083            if self.pretty:
-2084                if self._leading_comma:
-2085                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
-2086                else:
-2087                    result_sqls.append(
-2088                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
-2089                    )
-2090            else:
-2091                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
-2092
-2093        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
-2094        return self.indent(result_sql, skip_first=False) if indent else result_sql
+2037    def binary(self, expression: exp.Binary, op: str) -> str:
+2038        op = self.maybe_comment(op, comments=expression.comments)
+2039        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
+2040
+2041    def function_fallback_sql(self, expression: exp.Func) -> str:
+2042        args = []
+2043        for arg_value in expression.args.values():
+2044            if isinstance(arg_value, list):
+2045                for value in arg_value:
+2046                    args.append(value)
+2047            else:
+2048                args.append(arg_value)
+2049
+2050        return self.func(expression.sql_name(), *args)
+2051
+2052    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
+2053        return f"{self.normalize_func(name)}({self.format_args(*args)})"
+2054
+2055    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
+2056        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
+2057        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
+2058            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
+2059        return ", ".join(arg_sqls)
+2060
+2061    def text_width(self, args: t.Iterable) -> int:
+2062        return sum(len(arg) for arg in args)
+2063
+2064    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
+2065        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
+2066
+2067    def expressions(
+2068        self,
+2069        expression: t.Optional[exp.Expression] = None,
+2070        key: t.Optional[str] = None,
+2071        sqls: t.Optional[t.List[str]] = None,
+2072        flat: bool = False,
+2073        indent: bool = True,
+2074        sep: str = ", ",
+2075        prefix: str = "",
+2076    ) -> str:
+2077        expressions = expression.args.get(key or "expressions") if expression else sqls
+2078
+2079        if not expressions:
+2080            return ""
+2081
+2082        if flat:
+2083            return sep.join(self.sql(e) for e in expressions)
+2084
+2085        num_sqls = len(expressions)
+2086
+2087        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
+2088        pad = " " * self.pad
+2089        stripped_sep = sep.strip()
+2090
+2091        result_sqls = []
+2092        for i, e in enumerate(expressions):
+2093            sql = self.sql(e, comment=False)
+2094            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
 2095
-2096    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
-2097        flat = flat or isinstance(expression.parent, exp.Properties)
-2098        expressions_sql = self.expressions(expression, flat=flat)
-2099        if flat:
-2100            return f"{op} {expressions_sql}"
-2101        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
-2102
-2103    def naked_property(self, expression: exp.Property) -> str:
-2104        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
-2105        if not property_name:
-2106            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
-2107        return f"{property_name} {self.sql(expression, 'this')}"
+2096            if self.pretty:
+2097                if self._leading_comma:
+2098                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
+2099                else:
+2100                    result_sqls.append(
+2101                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
+2102                    )
+2103            else:
+2104                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
+2105
+2106        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
+2107        return self.indent(result_sql, skip_first=False) if indent else result_sql
 2108
-2109    def set_operation(self, expression: exp.Expression, op: str) -> str:
-2110        this = self.sql(expression, "this")
-2111        op = self.seg(op)
-2112        return self.query_modifiers(
-2113            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
-2114        )
+2109    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
+2110        flat = flat or isinstance(expression.parent, exp.Properties)
+2111        expressions_sql = self.expressions(expression, flat=flat)
+2112        if flat:
+2113            return f"{op} {expressions_sql}"
+2114        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
 2115
-2116    def tag_sql(self, expression: exp.Tag) -> str:
-2117        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
-2118
-2119    def token_sql(self, token_type: TokenType) -> str:
-2120        return self.TOKEN_MAPPING.get(token_type, token_type.name)
+2116    def naked_property(self, expression: exp.Property) -> str:
+2117        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
+2118        if not property_name:
+2119            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
+2120        return f"{property_name} {self.sql(expression, 'this')}"
 2121
-2122    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
+2122    def set_operation(self, expression: exp.Expression, op: str) -> str:
 2123        this = self.sql(expression, "this")
-2124        expressions = self.no_identify(self.expressions, expression)
-2125        expressions = (
-2126            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
+2124        op = self.seg(op)
+2125        return self.query_modifiers(
+2126            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
 2127        )
-2128        return f"{this}{expressions}"
-2129
-2130    def joinhint_sql(self, expression: exp.JoinHint) -> str:
-2131        this = self.sql(expression, "this")
-2132        expressions = self.expressions(expression, flat=True)
-2133        return f"{this}({expressions})"
+2128
+2129    def tag_sql(self, expression: exp.Tag) -> str:
+2130        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
+2131
+2132    def token_sql(self, token_type: TokenType) -> str:
+2133        return self.TOKEN_MAPPING.get(token_type, token_type.name)
 2134
-2135    def kwarg_sql(self, expression: exp.Kwarg) -> str:
-2136        return self.binary(expression, "=>")
-2137
-2138    def when_sql(self, expression: exp.When) -> str:
-2139        matched = "MATCHED" if expression.args["matched"] else "NOT MATCHED"
-2140        source = " BY SOURCE" if self.MATCHED_BY_SOURCE and expression.args.get("source") else ""
-2141        condition = self.sql(expression, "condition")
-2142        condition = f" AND {condition}" if condition else ""
-2143
-2144        then_expression = expression.args.get("then")
-2145        if isinstance(then_expression, exp.Insert):
-2146            then = f"INSERT {self.sql(then_expression, 'this')}"
-2147            if "expression" in then_expression.args:
-2148                then += f" VALUES {self.sql(then_expression, 'expression')}"
-2149        elif isinstance(then_expression, exp.Update):
-2150            if isinstance(then_expression.args.get("expressions"), exp.Star):
-2151                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
-2152            else:
-2153                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
-2154        else:
-2155            then = self.sql(then_expression)
-2156        return f"WHEN {matched}{source}{condition} THEN {then}"
-2157
-2158    def merge_sql(self, expression: exp.Merge) -> str:
-2159        this = self.sql(expression, "this")
-2160        using = f"USING {self.sql(expression, 'using')}"
-2161        on = f"ON {self.sql(expression, 'on')}"
-2162        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
-2163
-2164    def tochar_sql(self, expression: exp.ToChar) -> str:
-2165        if expression.args.get("format"):
-2166            self.unsupported("Format argument unsupported for TO_CHAR/TO_VARCHAR function")
-2167
-2168        return self.sql(exp.cast(expression.this, "text"))
+2135    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
+2136        this = self.sql(expression, "this")
+2137        expressions = self.no_identify(self.expressions, expression)
+2138        expressions = (
+2139            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
+2140        )
+2141        return f"{this}{expressions}"
+2142
+2143    def joinhint_sql(self, expression: exp.JoinHint) -> str:
+2144        this = self.sql(expression, "this")
+2145        expressions = self.expressions(expression, flat=True)
+2146        return f"{this}({expressions})"
+2147
+2148    def kwarg_sql(self, expression: exp.Kwarg) -> str:
+2149        return self.binary(expression, "=>")
+2150
+2151    def when_sql(self, expression: exp.When) -> str:
+2152        matched = "MATCHED" if expression.args["matched"] else "NOT MATCHED"
+2153        source = " BY SOURCE" if self.MATCHED_BY_SOURCE and expression.args.get("source") else ""
+2154        condition = self.sql(expression, "condition")
+2155        condition = f" AND {condition}" if condition else ""
+2156
+2157        then_expression = expression.args.get("then")
+2158        if isinstance(then_expression, exp.Insert):
+2159            then = f"INSERT {self.sql(then_expression, 'this')}"
+2160            if "expression" in then_expression.args:
+2161                then += f" VALUES {self.sql(then_expression, 'expression')}"
+2162        elif isinstance(then_expression, exp.Update):
+2163            if isinstance(then_expression.args.get("expressions"), exp.Star):
+2164                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
+2165            else:
+2166                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
+2167        else:
+2168            then = self.sql(then_expression)
+2169        return f"WHEN {matched}{source}{condition} THEN {then}"
+2170
+2171    def merge_sql(self, expression: exp.Merge) -> str:
+2172        this = self.sql(expression, "this")
+2173        using = f"USING {self.sql(expression, 'using')}"
+2174        on = f"ON {self.sql(expression, 'on')}"
+2175        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
+2176
+2177    def tochar_sql(self, expression: exp.ToChar) -> str:
+2178        if expression.args.get("format"):
+2179            self.unsupported("Format argument unsupported for TO_CHAR/TO_VARCHAR function")
+2180
+2181        return self.sql(exp.cast(expression.this, "text"))
 
    
 
 
@@ -5695,7 +5724,7 @@ Default: True
     
             
    526    def columnconstraint_sql(self, expression: exp.ColumnConstraint) -> str:
 527        this = self.sql(expression, "this")
-528        kind_sql = self.sql(expression, "kind")
+528        kind_sql = self.sql(expression, "kind").strip()
 529        return f"CONSTRAINT {this} {kind_sql}" if this else kind_sql
 
    
 
@@ -7192,37 +7221,39 @@ Default: True
 
    
             
         def
-        tablesample_sql(	self,	expression: sqlglot.expressions.TableSample,	seed_prefix: str = 'SEED') -> str:
+        tablesample_sql(	self,	expression: sqlglot.expressions.TableSample,	seed_prefix: str = 'SEED',	sep=' AS ') -> str:
 
                 
 
     
    
     
-            
    1119    def tablesample_sql(self, expression: exp.TableSample, seed_prefix: str = "SEED") -> str:
-1120        if self.alias_post_tablesample and expression.this.alias:
-1121            this = self.sql(expression.this, "this")
-1122            alias = f" AS {self.sql(expression.this, 'alias')}"
-1123        else:
-1124            this = self.sql(expression, "this")
-1125            alias = ""
-1126        method = self.sql(expression, "method")
-1127        method = f"{method.upper()} " if method and self.TABLESAMPLE_WITH_METHOD else ""
-1128        numerator = self.sql(expression, "bucket_numerator")
-1129        denominator = self.sql(expression, "bucket_denominator")
-1130        field = self.sql(expression, "bucket_field")
-1131        field = f" ON {field}" if field else ""
-1132        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
-1133        percent = self.sql(expression, "percent")
-1134        percent = f"{percent} PERCENT" if percent else ""
-1135        rows = self.sql(expression, "rows")
-1136        rows = f"{rows} ROWS" if rows else ""
-1137        size = self.sql(expression, "size")
-1138        if size and self.TABLESAMPLE_SIZE_IS_PERCENT:
-1139            size = f"{size} PERCENT"
-1140        seed = self.sql(expression, "seed")
-1141        seed = f" {seed_prefix} ({seed})" if seed else ""
-1142        kind = expression.args.get("kind", "TABLESAMPLE")
-1143        return f"{this} {kind} {method}({bucket}{percent}{rows}{size}){seed}{alias}"
+            
    1119    def tablesample_sql(
+1120        self, expression: exp.TableSample, seed_prefix: str = "SEED", sep=" AS "
+1121    ) -> str:
+1122        if self.alias_post_tablesample and expression.this.alias:
+1123            this = self.sql(expression.this, "this")
+1124            alias = f"{sep}{self.sql(expression.this, 'alias')}"
+1125        else:
+1126            this = self.sql(expression, "this")
+1127            alias = ""
+1128        method = self.sql(expression, "method")
+1129        method = f"{method.upper()} " if method and self.TABLESAMPLE_WITH_METHOD else ""
+1130        numerator = self.sql(expression, "bucket_numerator")
+1131        denominator = self.sql(expression, "bucket_denominator")
+1132        field = self.sql(expression, "bucket_field")
+1133        field = f" ON {field}" if field else ""
+1134        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
+1135        percent = self.sql(expression, "percent")
+1136        percent = f"{percent} PERCENT" if percent else ""
+1137        rows = self.sql(expression, "rows")
+1138        rows = f"{rows} ROWS" if rows else ""
+1139        size = self.sql(expression, "size")
+1140        if size and self.TABLESAMPLE_SIZE_IS_PERCENT:
+1141            size = f"{size} PERCENT"
+1142        seed = self.sql(expression, "seed")
+1143        seed = f" {seed_prefix} ({seed})" if seed else ""
+1144        kind = expression.args.get("kind", "TABLESAMPLE")
+1145        return f"{this} {kind} {method}({bucket}{percent}{rows}{size}){seed}{alias}"
 
    
 
 
@@ -7240,15 +7271,15 @@ Default: True
 
     
    
     
-            
    1145    def pivot_sql(self, expression: exp.Pivot) -> str:
-1146        this = self.sql(expression, "this")
-1147        alias = self.sql(expression, "alias")
-1148        alias = f" AS {alias}" if alias else ""
-1149        unpivot = expression.args.get("unpivot")
-1150        direction = "UNPIVOT" if unpivot else "PIVOT"
-1151        expressions = self.expressions(expression, key="expressions")
-1152        field = self.sql(expression, "field")
-1153        return f"{this} {direction}({expressions} FOR {field}){alias}"
+            
    1147    def pivot_sql(self, expression: exp.Pivot) -> str:
+1148        this = self.sql(expression, "this")
+1149        alias = self.sql(expression, "alias")
+1150        alias = f" AS {alias}" if alias else ""
+1151        unpivot = expression.args.get("unpivot")
+1152        direction = "UNPIVOT" if unpivot else "PIVOT"
+1153        expressions = self.expressions(expression, key="expressions")
+1154        field = self.sql(expression, "field")
+1155        return f"{this} {direction}({expressions} FOR {field}){alias}"
 
    
 
 
@@ -7266,8 +7297,8 @@ Default: True
 
     
    
     
-            
    1155    def tuple_sql(self, expression: exp.Tuple) -> str:
-1156        return f"({self.expressions(expression, flat=True)})"
+            
    1157    def tuple_sql(self, expression: exp.Tuple) -> str:
+1158        return f"({self.expressions(expression, flat=True)})"
 
    
 
 
@@ -7285,14 +7316,14 @@ Default: True
 
     
    
     
-            
    1158    def update_sql(self, expression: exp.Update) -> str:
-1159        this = self.sql(expression, "this")
-1160        set_sql = self.expressions(expression, flat=True)
-1161        from_sql = self.sql(expression, "from")
-1162        where_sql = self.sql(expression, "where")
-1163        returning = self.sql(expression, "returning")
-1164        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}{returning}"
-1165        return self.prepend_ctes(expression, sql)
+            
    1160    def update_sql(self, expression: exp.Update) -> str:
+1161        this = self.sql(expression, "this")
+1162        set_sql = self.expressions(expression, flat=True)
+1163        from_sql = self.sql(expression, "from")
+1164        where_sql = self.sql(expression, "where")
+1165        returning = self.sql(expression, "returning")
+1166        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}{returning}"
+1167        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -7310,16 +7341,16 @@ Default: True
 
     
    
     
-            
    1167    def values_sql(self, expression: exp.Values) -> str:
-1168        args = self.expressions(expression)
-1169        alias = self.sql(expression, "alias")
-1170        values = f"VALUES{self.seg('')}{args}"
-1171        values = (
-1172            f"({values})"
-1173            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
-1174            else values
-1175        )
-1176        return f"{values} AS {alias}" if alias else values
+            
    1169    def values_sql(self, expression: exp.Values) -> str:
+1170        args = self.expressions(expression)
+1171        alias = self.sql(expression, "alias")
+1172        values = f"VALUES{self.seg('')}{args}"
+1173        values = (
+1174            f"({values})"
+1175            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
+1176            else values
+1177        )
+1178        return f"{values} AS {alias}" if alias else values
 
    
 
 
@@ -7337,8 +7368,8 @@ Default: True
 
     
    
     
-            
    1178    def var_sql(self, expression: exp.Var) -> str:
-1179        return self.sql(expression, "this")
+            
    1180    def var_sql(self, expression: exp.Var) -> str:
+1181        return self.sql(expression, "this")
 
    
 
 
@@ -7356,10 +7387,10 @@ Default: True
 
     
    
     
-            
    1181    def into_sql(self, expression: exp.Into) -> str:
-1182        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
-1183        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
-1184        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
+            
    1183    def into_sql(self, expression: exp.Into) -> str:
+1184        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
+1185        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
+1186        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
 
    
 
 
@@ -7377,9 +7408,9 @@ Default: True
 
     
    
     
-            
    1186    def from_sql(self, expression: exp.From) -> str:
-1187        expressions = self.expressions(expression, flat=True)
-1188        return f"{self.seg('FROM')} {expressions}"
+            
    1188    def from_sql(self, expression: exp.From) -> str:
+1189        expressions = self.expressions(expression, flat=True)
+1190        return f"{self.seg('FROM')} {expressions}"
 
    
 
 
@@ -7397,33 +7428,33 @@ Default: True
 
     
    
     
-            
    1190    def group_sql(self, expression: exp.Group) -> str:
-1191        group_by = self.op_expressions("GROUP BY", expression)
-1192        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
-1193        grouping_sets = (
-1194            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
-1195        )
-1196
-1197        cube = expression.args.get("cube", [])
-1198        if seq_get(cube, 0) is True:
-1199            return f"{group_by}{self.seg('WITH CUBE')}"
-1200        else:
-1201            cube_sql = self.expressions(expression, key="cube", indent=False)
-1202            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
-1203
-1204        rollup = expression.args.get("rollup", [])
-1205        if seq_get(rollup, 0) is True:
-1206            return f"{group_by}{self.seg('WITH ROLLUP')}"
-1207        else:
-1208            rollup_sql = self.expressions(expression, key="rollup", indent=False)
-1209            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
-1210
-1211        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
+            
    1192    def group_sql(self, expression: exp.Group) -> str:
+1193        group_by = self.op_expressions("GROUP BY", expression)
+1194        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
+1195        grouping_sets = (
+1196            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
+1197        )
+1198
+1199        cube = expression.args.get("cube", [])
+1200        if seq_get(cube, 0) is True:
+1201            return f"{group_by}{self.seg('WITH CUBE')}"
+1202        else:
+1203            cube_sql = self.expressions(expression, key="cube", indent=False)
+1204            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
+1205
+1206        rollup = expression.args.get("rollup", [])
+1207        if seq_get(rollup, 0) is True:
+1208            return f"{group_by}{self.seg('WITH ROLLUP')}"
+1209        else:
+1210            rollup_sql = self.expressions(expression, key="rollup", indent=False)
+1211            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
 1212
-1213        if expression.args.get("expressions") and groupings:
-1214            group_by = f"{group_by},"
-1215
-1216        return f"{group_by}{groupings}"
+1213        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
+1214
+1215        if expression.args.get("expressions") and groupings:
+1216            group_by = f"{group_by},"
+1217
+1218        return f"{group_by}{groupings}"
 
    
 
 
@@ -7441,9 +7472,9 @@ Default: True
 
     
    
     
-            
    1218    def having_sql(self, expression: exp.Having) -> str:
-1219        this = self.indent(self.sql(expression, "this"))
-1220        return f"{self.seg('HAVING')}{self.sep()}{this}"
+            
    1220    def having_sql(self, expression: exp.Having) -> str:
+1221        this = self.indent(self.sql(expression, "this"))
+1222        return f"{self.seg('HAVING')}{self.sep()}{this}"
 
    
 
 
@@ -7461,37 +7492,37 @@ Default: True
 
     
    
     
-            
    1222    def join_sql(self, expression: exp.Join) -> str:
-1223        op_sql = self.seg(
-1224            " ".join(
-1225                op
-1226                for op in (
-1227                    "NATURAL" if expression.args.get("natural") else None,
-1228                    expression.side,
-1229                    expression.kind,
-1230                    expression.hint if self.JOIN_HINTS else None,
-1231                    "JOIN",
-1232                )
-1233                if op
-1234            )
-1235        )
-1236        on_sql = self.sql(expression, "on")
-1237        using = expression.args.get("using")
-1238
-1239        if not on_sql and using:
-1240            on_sql = csv(*(self.sql(column) for column in using))
-1241
-1242        if on_sql:
-1243            on_sql = self.indent(on_sql, skip_first=True)
-1244            space = self.seg(" " * self.pad) if self.pretty else " "
-1245            if using:
-1246                on_sql = f"{space}USING ({on_sql})"
-1247            else:
-1248                on_sql = f"{space}ON {on_sql}"
-1249
-1250        expression_sql = self.sql(expression, "expression")
-1251        this_sql = self.sql(expression, "this")
-1252        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
+            
    1224    def join_sql(self, expression: exp.Join) -> str:
+1225        op_sql = self.seg(
+1226            " ".join(
+1227                op
+1228                for op in (
+1229                    "NATURAL" if expression.args.get("natural") else None,
+1230                    expression.side,
+1231                    expression.kind,
+1232                    expression.hint if self.JOIN_HINTS else None,
+1233                    "JOIN",
+1234                )
+1235                if op
+1236            )
+1237        )
+1238        on_sql = self.sql(expression, "on")
+1239        using = expression.args.get("using")
+1240
+1241        if not on_sql and using:
+1242            on_sql = csv(*(self.sql(column) for column in using))
+1243
+1244        if on_sql:
+1245            on_sql = self.indent(on_sql, skip_first=True)
+1246            space = self.seg(" " * self.pad) if self.pretty else " "
+1247            if using:
+1248                on_sql = f"{space}USING ({on_sql})"
+1249            else:
+1250                on_sql = f"{space}ON {on_sql}"
+1251
+1252        expression_sql = self.sql(expression, "expression")
+1253        this_sql = self.sql(expression, "this")
+1254        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
 
    
 
 
@@ -7509,10 +7540,10 @@ Default: True
 
     
    
     
-            
    1254    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
-1255        args = self.expressions(expression, flat=True)
-1256        args = f"({args})" if len(args.split(",")) > 1 else args
-1257        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
+            
    1256    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
+1257        args = self.expressions(expression, flat=True)
+1258        args = f"({args})" if len(args.split(",")) > 1 else args
+1259        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
 
    
 
 
@@ -7530,23 +7561,23 @@ Default: True
 
     
    
     
-            
    1259    def lateral_sql(self, expression: exp.Lateral) -> str:
-1260        this = self.sql(expression, "this")
-1261
-1262        if isinstance(expression.this, exp.Subquery):
-1263            return f"LATERAL {this}"
-1264
-1265        if expression.args.get("view"):
-1266            alias = expression.args["alias"]
-1267            columns = self.expressions(alias, key="columns", flat=True)
-1268            table = f" {alias.name}" if alias.name else ""
-1269            columns = f" AS {columns}" if columns else ""
-1270            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
-1271            return f"{op_sql}{self.sep()}{this}{table}{columns}"
-1272
-1273        alias = self.sql(expression, "alias")
-1274        alias = f" AS {alias}" if alias else ""
-1275        return f"LATERAL {this}{alias}"
+            
    1261    def lateral_sql(self, expression: exp.Lateral) -> str:
+1262        this = self.sql(expression, "this")
+1263
+1264        if isinstance(expression.this, exp.Subquery):
+1265            return f"LATERAL {this}"
+1266
+1267        if expression.args.get("view"):
+1268            alias = expression.args["alias"]
+1269            columns = self.expressions(alias, key="columns", flat=True)
+1270            table = f" {alias.name}" if alias.name else ""
+1271            columns = f" AS {columns}" if columns else ""
+1272            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
+1273            return f"{op_sql}{self.sep()}{this}{table}{columns}"
+1274
+1275        alias = self.sql(expression, "alias")
+1276        alias = f" AS {alias}" if alias else ""
+1277        return f"LATERAL {this}{alias}"
 
    
 
 
@@ -7564,9 +7595,9 @@ Default: True
 
     
    
     
-            
    1277    def limit_sql(self, expression: exp.Limit) -> str:
-1278        this = self.sql(expression, "this")
-1279        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
+            
    1279    def limit_sql(self, expression: exp.Limit) -> str:
+1280        this = self.sql(expression, "this")
+1281        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
 
    
 
 
@@ -7584,9 +7615,9 @@ Default: True
 
     
    
     
-            
    1281    def offset_sql(self, expression: exp.Offset) -> str:
-1282        this = self.sql(expression, "this")
-1283        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
+            
    1283    def offset_sql(self, expression: exp.Offset) -> str:
+1284        this = self.sql(expression, "this")
+1285        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
 
    
 
 
@@ -7604,15 +7635,15 @@ Default: True
 
     
    
     
-            
    1285    def setitem_sql(self, expression: exp.SetItem) -> str:
-1286        kind = self.sql(expression, "kind")
-1287        kind = f"{kind} " if kind else ""
-1288        this = self.sql(expression, "this")
-1289        expressions = self.expressions(expression)
-1290        collate = self.sql(expression, "collate")
-1291        collate = f" COLLATE {collate}" if collate else ""
-1292        global_ = "GLOBAL " if expression.args.get("global") else ""
-1293        return f"{global_}{kind}{this}{expressions}{collate}"
+            
    1287    def setitem_sql(self, expression: exp.SetItem) -> str:
+1288        kind = self.sql(expression, "kind")
+1289        kind = f"{kind} " if kind else ""
+1290        this = self.sql(expression, "this")
+1291        expressions = self.expressions(expression)
+1292        collate = self.sql(expression, "collate")
+1293        collate = f" COLLATE {collate}" if collate else ""
+1294        global_ = "GLOBAL " if expression.args.get("global") else ""
+1295        return f"{global_}{kind}{this}{expressions}{collate}"
 
    
 
 
@@ -7630,11 +7661,11 @@ Default: True
 
     
    
     
-            
    1295    def set_sql(self, expression: exp.Set) -> str:
-1296        expressions = (
-1297            f" {self.expressions(expression, flat=True)}" if expression.expressions else ""
-1298        )
-1299        return f"SET{expressions}"
+            
    1297    def set_sql(self, expression: exp.Set) -> str:
+1298        expressions = (
+1299            f" {self.expressions(expression, flat=True)}" if expression.expressions else ""
+1300        )
+1301        return f"SET{expressions}"
 
    
 
 
@@ -7652,8 +7683,8 @@ Default: True
 
     
    
     
-            
    1301    def pragma_sql(self, expression: exp.Pragma) -> str:
-1302        return f"PRAGMA {self.sql(expression, 'this')}"
+            
    1303    def pragma_sql(self, expression: exp.Pragma) -> str:
+1304        return f"PRAGMA {self.sql(expression, 'this')}"
 
    
 
 
@@ -7671,13 +7702,13 @@ Default: True
 
     
    
     
-            
    1304    def lock_sql(self, expression: exp.Lock) -> str:
-1305        if self.LOCKING_READS_SUPPORTED:
-1306            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
-1307            return self.seg(f"FOR {lock_type}")
-1308
-1309        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
-1310        return ""
+            
    1306    def lock_sql(self, expression: exp.Lock) -> str:
+1307        if self.LOCKING_READS_SUPPORTED:
+1308            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
+1309            return self.seg(f"FOR {lock_type}")
+1310
+1311        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
+1312        return ""
 
    
 
 
@@ -7695,14 +7726,14 @@ Default: True
 
     
    
     
-            
    1312    def literal_sql(self, expression: exp.Literal) -> str:
-1313        text = expression.this or ""
-1314        if expression.is_string:
-1315            text = text.replace(self.quote_end, self._escaped_quote_end)
-1316            if self.pretty:
-1317                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
-1318            text = f"{self.quote_start}{text}{self.quote_end}"
-1319        return text
+            
    1314    def literal_sql(self, expression: exp.Literal) -> str:
+1315        text = expression.this or ""
+1316        if expression.is_string:
+1317            text = text.replace(self.quote_end, self._escaped_quote_end)
+1318            if self.pretty:
+1319                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
+1320            text = f"{self.quote_start}{text}{self.quote_end}"
+1321        return text
 
    
 
 
@@ -7720,18 +7751,18 @@ Default: True
 
     
    
     
-            
    1321    def loaddata_sql(self, expression: exp.LoadData) -> str:
-1322        local = " LOCAL" if expression.args.get("local") else ""
-1323        inpath = f" INPATH {self.sql(expression, 'inpath')}"
-1324        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
-1325        this = f" INTO TABLE {self.sql(expression, 'this')}"
-1326        partition = self.sql(expression, "partition")
-1327        partition = f" {partition}" if partition else ""
-1328        input_format = self.sql(expression, "input_format")
-1329        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
-1330        serde = self.sql(expression, "serde")
-1331        serde = f" SERDE {serde}" if serde else ""
-1332        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
+            
    1323    def loaddata_sql(self, expression: exp.LoadData) -> str:
+1324        local = " LOCAL" if expression.args.get("local") else ""
+1325        inpath = f" INPATH {self.sql(expression, 'inpath')}"
+1326        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
+1327        this = f" INTO TABLE {self.sql(expression, 'this')}"
+1328        partition = self.sql(expression, "partition")
+1329        partition = f" {partition}" if partition else ""
+1330        input_format = self.sql(expression, "input_format")
+1331        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
+1332        serde = self.sql(expression, "serde")
+1333        serde = f" SERDE {serde}" if serde else ""
+1334        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
 
    
 
 
@@ -7749,8 +7780,8 @@ Default: True
 
     
    
     
-            
    1334    def null_sql(self, *_) -> str:
-1335        return "NULL"
+            
    1336    def null_sql(self, *_) -> str:
+1337        return "NULL"
 
    
 
 
@@ -7768,8 +7799,8 @@ Default: True
 
     
    
     
-            
    1337    def boolean_sql(self, expression: exp.Boolean) -> str:
-1338        return "TRUE" if expression.this else "FALSE"
+            
    1339    def boolean_sql(self, expression: exp.Boolean) -> str:
+1340        return "TRUE" if expression.this else "FALSE"
 
    
 
 
@@ -7787,10 +7818,10 @@ Default: True
 
     
    
     
-            
    1340    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
-1341        this = self.sql(expression, "this")
-1342        this = f"{this} " if this else this
-1343        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
+            
    1342    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
+1343        this = self.sql(expression, "this")
+1344        this = f"{this} " if this else this
+1345        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
 
    
 
 
@@ -7808,8 +7839,8 @@ Default: True
 
     
    
     
-            
    1345    def cluster_sql(self, expression: exp.Cluster) -> str:
-1346        return self.op_expressions("CLUSTER BY", expression)
+            
    1347    def cluster_sql(self, expression: exp.Cluster) -> str:
+1348        return self.op_expressions("CLUSTER BY", expression)
 
    
 
 
@@ -7827,8 +7858,8 @@ Default: True
 
     
    
     
-            
    1348    def distribute_sql(self, expression: exp.Distribute) -> str:
-1349        return self.op_expressions("DISTRIBUTE BY", expression)
+            
    1350    def distribute_sql(self, expression: exp.Distribute) -> str:
+1351        return self.op_expressions("DISTRIBUTE BY", expression)
 
    
 
 
@@ -7846,8 +7877,8 @@ Default: True
 
     
    
     
-            
    1351    def sort_sql(self, expression: exp.Sort) -> str:
-1352        return self.op_expressions("SORT BY", expression)
+            
    1353    def sort_sql(self, expression: exp.Sort) -> str:
+1354        return self.op_expressions("SORT BY", expression)
 
    
 
 
@@ -7865,36 +7896,36 @@ Default: True
 
     
    
     
-            
    1354    def ordered_sql(self, expression: exp.Ordered) -> str:
-1355        desc = expression.args.get("desc")
-1356        asc = not desc
-1357
-1358        nulls_first = expression.args.get("nulls_first")
-1359        nulls_last = not nulls_first
-1360        nulls_are_large = self.null_ordering == "nulls_are_large"
-1361        nulls_are_small = self.null_ordering == "nulls_are_small"
-1362        nulls_are_last = self.null_ordering == "nulls_are_last"
-1363
-1364        sort_order = " DESC" if desc else ""
-1365        nulls_sort_change = ""
-1366        if nulls_first and (
-1367            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
-1368        ):
-1369            nulls_sort_change = " NULLS FIRST"
-1370        elif (
-1371            nulls_last
-1372            and ((asc and nulls_are_small) or (desc and nulls_are_large))
-1373            and not nulls_are_last
-1374        ):
-1375            nulls_sort_change = " NULLS LAST"
-1376
-1377        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
-1378            self.unsupported(
-1379                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
-1380            )
-1381            nulls_sort_change = ""
-1382
-1383        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
+            
    1356    def ordered_sql(self, expression: exp.Ordered) -> str:
+1357        desc = expression.args.get("desc")
+1358        asc = not desc
+1359
+1360        nulls_first = expression.args.get("nulls_first")
+1361        nulls_last = not nulls_first
+1362        nulls_are_large = self.null_ordering == "nulls_are_large"
+1363        nulls_are_small = self.null_ordering == "nulls_are_small"
+1364        nulls_are_last = self.null_ordering == "nulls_are_last"
+1365
+1366        sort_order = " DESC" if desc else ""
+1367        nulls_sort_change = ""
+1368        if nulls_first and (
+1369            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
+1370        ):
+1371            nulls_sort_change = " NULLS FIRST"
+1372        elif (
+1373            nulls_last
+1374            and ((asc and nulls_are_small) or (desc and nulls_are_large))
+1375            and not nulls_are_last
+1376        ):
+1377            nulls_sort_change = " NULLS LAST"
+1378
+1379        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
+1380            self.unsupported(
+1381                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
+1382            )
+1383            nulls_sort_change = ""
+1384
+1385        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
 
    
 
 
@@ -7912,37 +7943,37 @@ Default: True
 
     
    
     
-            
    1385    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
-1386        partition = self.partition_by_sql(expression)
-1387        order = self.sql(expression, "order")
-1388        measures = self.expressions(expression, key="measures")
-1389        measures = self.seg(f"MEASURES{self.seg(measures)}") if measures else ""
-1390        rows = self.sql(expression, "rows")
-1391        rows = self.seg(rows) if rows else ""
-1392        after = self.sql(expression, "after")
-1393        after = self.seg(after) if after else ""
-1394        pattern = self.sql(expression, "pattern")
-1395        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
-1396        definition_sqls = [
-1397            f"{self.sql(definition, 'alias')} AS {self.sql(definition, 'this')}"
-1398            for definition in expression.args.get("define", [])
-1399        ]
-1400        definitions = self.expressions(sqls=definition_sqls)
-1401        define = self.seg(f"DEFINE{self.seg(definitions)}") if definitions else ""
-1402        body = "".join(
-1403            (
-1404                partition,
-1405                order,
-1406                measures,
-1407                rows,
-1408                after,
-1409                pattern,
-1410                define,
-1411            )
-1412        )
-1413        alias = self.sql(expression, "alias")
-1414        alias = f" {alias}" if alias else ""
-1415        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}{alias}"
+            
    1387    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
+1388        partition = self.partition_by_sql(expression)
+1389        order = self.sql(expression, "order")
+1390        measures = self.expressions(expression, key="measures")
+1391        measures = self.seg(f"MEASURES{self.seg(measures)}") if measures else ""
+1392        rows = self.sql(expression, "rows")
+1393        rows = self.seg(rows) if rows else ""
+1394        after = self.sql(expression, "after")
+1395        after = self.seg(after) if after else ""
+1396        pattern = self.sql(expression, "pattern")
+1397        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
+1398        definition_sqls = [
+1399            f"{self.sql(definition, 'alias')} AS {self.sql(definition, 'this')}"
+1400            for definition in expression.args.get("define", [])
+1401        ]
+1402        definitions = self.expressions(sqls=definition_sqls)
+1403        define = self.seg(f"DEFINE{self.seg(definitions)}") if definitions else ""
+1404        body = "".join(
+1405            (
+1406                partition,
+1407                order,
+1408                measures,
+1409                rows,
+1410                after,
+1411                pattern,
+1412                define,
+1413            )
+1414        )
+1415        alias = self.sql(expression, "alias")
+1416        alias = f" {alias}" if alias else ""
+1417        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}{alias}"
 
    
 
 
@@ -7960,38 +7991,38 @@ Default: True
 
     
    
     
-            
    1417    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
-1418        limit = expression.args.get("limit")
-1419
-1420        if self.LIMIT_FETCH == "LIMIT" and isinstance(limit, exp.Fetch):
-1421            limit = exp.Limit(expression=limit.args.get("count"))
-1422        elif self.LIMIT_FETCH == "FETCH" and isinstance(limit, exp.Limit):
-1423            limit = exp.Fetch(direction="FIRST", count=limit.expression)
-1424
-1425        fetch = isinstance(limit, exp.Fetch)
+            
    1419    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
+1420        limit = expression.args.get("limit")
+1421
+1422        if self.LIMIT_FETCH == "LIMIT" and isinstance(limit, exp.Fetch):
+1423            limit = exp.Limit(expression=limit.args.get("count"))
+1424        elif self.LIMIT_FETCH == "FETCH" and isinstance(limit, exp.Limit):
+1425            limit = exp.Fetch(direction="FIRST", count=limit.expression)
 1426
-1427        return csv(
-1428            *sqls,
-1429            *[self.sql(sql) for sql in expression.args.get("joins") or []],
-1430            self.sql(expression, "match"),
-1431            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
-1432            self.sql(expression, "where"),
-1433            self.sql(expression, "group"),
-1434            self.sql(expression, "having"),
-1435            self.sql(expression, "qualify"),
-1436            self.seg("WINDOW ") + self.expressions(expression, key="windows", flat=True)
-1437            if expression.args.get("windows")
-1438            else "",
-1439            self.sql(expression, "distribute"),
-1440            self.sql(expression, "sort"),
-1441            self.sql(expression, "cluster"),
-1442            self.sql(expression, "order"),
-1443            self.sql(expression, "offset") if fetch else self.sql(limit),
-1444            self.sql(limit) if fetch else self.sql(expression, "offset"),
-1445            self.sql(expression, "lock"),
-1446            self.sql(expression, "sample"),
-1447            sep="",
-1448        )
+1427        fetch = isinstance(limit, exp.Fetch)
+1428
+1429        return csv(
+1430            *sqls,
+1431            *[self.sql(sql) for sql in expression.args.get("joins") or []],
+1432            self.sql(expression, "match"),
+1433            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
+1434            self.sql(expression, "where"),
+1435            self.sql(expression, "group"),
+1436            self.sql(expression, "having"),
+1437            self.sql(expression, "qualify"),
+1438            self.seg("WINDOW ") + self.expressions(expression, key="windows", flat=True)
+1439            if expression.args.get("windows")
+1440            else "",
+1441            self.sql(expression, "distribute"),
+1442            self.sql(expression, "sort"),
+1443            self.sql(expression, "cluster"),
+1444            self.sql(expression, "order"),
+1445            self.sql(expression, "offset") if fetch else self.sql(limit),
+1446            self.sql(limit) if fetch else self.sql(expression, "offset"),
+1447            self.sql(expression, "lock"),
+1448            self.sql(expression, "sample"),
+1449            sep="",
+1450        )
 
    
 
 
@@ -8009,21 +8040,21 @@ Default: True
 
     
    
     
-            
    1450    def select_sql(self, expression: exp.Select) -> str:
-1451        kind = expression.args.get("kind")
-1452        kind = f" AS {kind}" if kind else ""
-1453        hint = self.sql(expression, "hint")
-1454        distinct = self.sql(expression, "distinct")
-1455        distinct = f" {distinct}" if distinct else ""
-1456        expressions = self.expressions(expression)
-1457        expressions = f"{self.sep()}{expressions}" if expressions else expressions
-1458        sql = self.query_modifiers(
-1459            expression,
-1460            f"SELECT{kind}{hint}{distinct}{expressions}",
-1461            self.sql(expression, "into", comment=False),
-1462            self.sql(expression, "from", comment=False),
-1463        )
-1464        return self.prepend_ctes(expression, sql)
+            
    1452    def select_sql(self, expression: exp.Select) -> str:
+1453        kind = expression.args.get("kind")
+1454        kind = f" AS {kind}" if kind else ""
+1455        hint = self.sql(expression, "hint")
+1456        distinct = self.sql(expression, "distinct")
+1457        distinct = f" {distinct}" if distinct else ""
+1458        expressions = self.expressions(expression)
+1459        expressions = f"{self.sep()}{expressions}" if expressions else expressions
+1460        sql = self.query_modifiers(
+1461            expression,
+1462            f"SELECT{kind}{hint}{distinct}{expressions}",
+1463            self.sql(expression, "into", comment=False),
+1464            self.sql(expression, "from", comment=False),
+1465        )
+1466        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -8041,11 +8072,11 @@ Default: True
 
     
    
     
-            
    1466    def schema_sql(self, expression: exp.Schema) -> str:
-1467        this = self.sql(expression, "this")
-1468        this = f"{this} " if this else ""
-1469        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
-1470        return f"{this}{sql}"
+            
    1468    def schema_sql(self, expression: exp.Schema) -> str:
+1469        this = self.sql(expression, "this")
+1470        this = f"{this} " if this else ""
+1471        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
+1472        return f"{this}{sql}"
 
    
 
 
@@ -8063,12 +8094,12 @@ Default: True
 
     
    
     
-            
    1472    def star_sql(self, expression: exp.Star) -> str:
-1473        except_ = self.expressions(expression, key="except", flat=True)
-1474        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
-1475        replace = self.expressions(expression, key="replace", flat=True)
-1476        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
-1477        return f"*{except_}{replace}"
+            
    1474    def star_sql(self, expression: exp.Star) -> str:
+1475        except_ = self.expressions(expression, key="except", flat=True)
+1476        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
+1477        replace = self.expressions(expression, key="replace", flat=True)
+1478        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
+1479        return f"*{except_}{replace}"
 
    
 
 
@@ -8086,8 +8117,8 @@ Default: True
 
     
    
     
-            
    1479    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
-1480        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
+            
    1481    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
+1482        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
 
    
 
 
@@ -8105,10 +8136,10 @@ Default: True
 
     
    
     
-            
    1482    def parameter_sql(self, expression: exp.Parameter) -> str:
-1483        this = self.sql(expression, "this")
-1484        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
-1485        return f"{self.PARAMETER_TOKEN}{this}"
+            
    1484    def parameter_sql(self, expression: exp.Parameter) -> str:
+1485        this = self.sql(expression, "this")
+1486        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
+1487        return f"{self.PARAMETER_TOKEN}{this}"
 
    
 
 
@@ -8126,12 +8157,12 @@ Default: True
 
     
    
     
-            
    1487    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
-1488        this = self.sql(expression, "this")
-1489        kind = expression.text("kind")
-1490        if kind:
-1491            kind = f"{kind}."
-1492        return f"@@{kind}{this}"
+            
    1489    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
+1490        this = self.sql(expression, "this")
+1491        kind = expression.text("kind")
+1492        if kind:
+1493            kind = f"{kind}."
+1494        return f"@@{kind}{this}"
 
    
 
 
@@ -8149,8 +8180,8 @@ Default: True
 
     
    
     
-            
    1494    def placeholder_sql(self, expression: exp.Placeholder) -> str:
-1495        return f":{expression.name}" if expression.name else "?"
+            
    1496    def placeholder_sql(self, expression: exp.Placeholder) -> str:
+1497        return f":{expression.name}" if expression.name else "?"
 
    
 
 
@@ -8168,18 +8199,18 @@ Default: True
 
     
    
     
-            
    1497    def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str:
-1498        alias = self.sql(expression, "alias")
-1499        alias = f"{sep}{alias}" if alias else ""
-1500
-1501        sql = self.query_modifiers(
-1502            expression,
-1503            self.wrap(expression),
-1504            alias,
-1505            self.expressions(expression, key="pivots", sep=" "),
-1506        )
-1507
-1508        return self.prepend_ctes(expression, sql)
+            
    1499    def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str:
+1500        alias = self.sql(expression, "alias")
+1501        alias = f"{sep}{alias}" if alias else ""
+1502
+1503        sql = self.query_modifiers(
+1504            expression,
+1505            self.wrap(expression),
+1506            alias,
+1507            self.expressions(expression, key="pivots", sep=" "),
+1508        )
+1509
+1510        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -8197,9 +8228,9 @@ Default: True
 
     
    
     
-            
    1510    def qualify_sql(self, expression: exp.Qualify) -> str:
-1511        this = self.indent(self.sql(expression, "this"))
-1512        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
+            
    1512    def qualify_sql(self, expression: exp.Qualify) -> str:
+1513        this = self.indent(self.sql(expression, "this"))
+1514        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
 
    
 
 
@@ -8217,11 +8248,11 @@ Default: True
 
     
    
     
-            
    1514    def union_sql(self, expression: exp.Union) -> str:
-1515        return self.prepend_ctes(
-1516            expression,
-1517            self.set_operation(expression, self.union_op(expression)),
-1518        )
+            
    1516    def union_sql(self, expression: exp.Union) -> str:
+1517        return self.prepend_ctes(
+1518            expression,
+1519            self.set_operation(expression, self.union_op(expression)),
+1520        )
 
    
 
 
@@ -8239,10 +8270,10 @@ Default: True
 
     
    
     
-            
    1520    def union_op(self, expression: exp.Union) -> str:
-1521        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
-1522        kind = kind if expression.args.get("distinct") else " ALL"
-1523        return f"UNION{kind}"
+            
    1522    def union_op(self, expression: exp.Union) -> str:
+1523        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
+1524        kind = kind if expression.args.get("distinct") else " ALL"
+1525        return f"UNION{kind}"
 
    
 
 
@@ -8260,19 +8291,19 @@ Default: True
 
     
    
     
-            
    1525    def unnest_sql(self, expression: exp.Unnest) -> str:
-1526        args = self.expressions(expression, flat=True)
-1527        alias = expression.args.get("alias")
-1528        if alias and self.unnest_column_only:
-1529            columns = alias.columns
-1530            alias = self.sql(columns[0]) if columns else ""
-1531        else:
-1532            alias = self.sql(expression, "alias")
-1533        alias = f" AS {alias}" if alias else alias
-1534        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
-1535        offset = expression.args.get("offset")
-1536        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
-1537        return f"UNNEST({args}){ordinality}{alias}{offset}"
+            
    1527    def unnest_sql(self, expression: exp.Unnest) -> str:
+1528        args = self.expressions(expression, flat=True)
+1529        alias = expression.args.get("alias")
+1530        if alias and self.unnest_column_only:
+1531            columns = alias.columns
+1532            alias = self.sql(columns[0]) if columns else ""
+1533        else:
+1534            alias = self.sql(expression, "alias")
+1535        alias = f" AS {alias}" if alias else alias
+1536        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
+1537        offset = expression.args.get("offset")
+1538        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
+1539        return f"UNNEST({args}){ordinality}{alias}{offset}"
 
    
 
 
@@ -8290,9 +8321,9 @@ Default: True
 
     
    
     
-            
    1539    def where_sql(self, expression: exp.Where) -> str:
-1540        this = self.indent(self.sql(expression, "this"))
-1541        return f"{self.seg('WHERE')}{self.sep()}{this}"
+            
    1541    def where_sql(self, expression: exp.Where) -> str:
+1542        this = self.indent(self.sql(expression, "this"))
+1543        return f"{self.seg('WHERE')}{self.sep()}{this}"
 
    
 
 
@@ -8310,28 +8341,34 @@ Default: True
 
     
    
     
-            
    1543    def window_sql(self, expression: exp.Window) -> str:
-1544        this = self.sql(expression, "this")
-1545
-1546        partition = self.partition_by_sql(expression)
+            
    1545    def window_sql(self, expression: exp.Window) -> str:
+1546        this = self.sql(expression, "this")
 1547
-1548        order = expression.args.get("order")
-1549        order_sql = self.order_sql(order, flat=True) if order else ""
-1550
-1551        partition_sql = partition + " " if partition and order else partition
+1548        partition = self.partition_by_sql(expression)
+1549
+1550        order = expression.args.get("order")
+1551        order_sql = self.order_sql(order, flat=True) if order else ""
 1552
-1553        spec = expression.args.get("spec")
-1554        spec_sql = " " + self.window_spec_sql(spec) if spec else ""
-1555
-1556        alias = self.sql(expression, "alias")
-1557        this = f"{this} {'AS' if expression.arg_key == 'windows' else 'OVER'}"
-1558
-1559        if not partition and not order and not spec and alias:
-1560            return f"{this} {alias}"
+1553        partition_sql = partition + " " if partition and order else partition
+1554
+1555        spec = expression.args.get("spec")
+1556        spec_sql = " " + self.windowspec_sql(spec) if spec else ""
+1557
+1558        alias = self.sql(expression, "alias")
+1559        over = self.sql(expression, "over") or "OVER"
+1560        this = f"{this} {'AS' if expression.arg_key == 'windows' else over}"
 1561
-1562        window_args = alias + partition_sql + order_sql + spec_sql
-1563
-1564        return f"{this} ({window_args.strip()})"
+1562        first = expression.args.get("first")
+1563        if first is not None:
+1564            first = " FIRST " if first else " LAST "
+1565        first = first or ""
+1566
+1567        if not partition and not order and not spec and alias:
+1568            return f"{this} {alias}"
+1569
+1570        window_args = alias + first + partition_sql + order_sql + spec_sql
+1571
+1572        return f"{this} ({window_args.strip()})"
 
    
 
 
@@ -8349,34 +8386,34 @@ Default: True
 
     
    
     
-            
    1566    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
-1567        partition = self.expressions(expression, key="partition_by", flat=True)
-1568        return f"PARTITION BY {partition}" if partition else ""
+            
    1574    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
+1575        partition = self.expressions(expression, key="partition_by", flat=True)
+1576        return f"PARTITION BY {partition}" if partition else ""
 
    
 
 
     
 
                             
    
-                            
    
-                                        
+                            
    
+                                        
 
    
             
         def
-        window_spec_sql(self, expression: sqlglot.expressions.WindowSpec) -> str:
+        windowspec_sql(self, expression: sqlglot.expressions.WindowSpec) -> str:
 
-                
+                
 
     
    
-    
-            
    1570    def window_spec_sql(self, expression: exp.WindowSpec) -> str:
-1571        kind = self.sql(expression, "kind")
-1572        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
-1573        end = (
-1574            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
-1575            or "CURRENT ROW"
-1576        )
-1577        return f"{kind} BETWEEN {start} AND {end}"
+    
+            
    1578    def windowspec_sql(self, expression: exp.WindowSpec) -> str:
+1579        kind = self.sql(expression, "kind")
+1580        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
+1581        end = (
+1582            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
+1583            or "CURRENT ROW"
+1584        )
+1585        return f"{kind} BETWEEN {start} AND {end}"
 
    
 
 
@@ -8394,10 +8431,10 @@ Default: True
 
     
    
     
-            
    1579    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
-1580        this = self.sql(expression, "this")
-1581        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
-1582        return f"{this} WITHIN GROUP ({expression_sql})"
+            
    1587    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
+1588        this = self.sql(expression, "this")
+1589        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
+1590        return f"{this} WITHIN GROUP ({expression_sql})"
 
    
 
 
@@ -8415,11 +8452,11 @@ Default: True
 
     
    
     
-            
    1584    def between_sql(self, expression: exp.Between) -> str:
-1585        this = self.sql(expression, "this")
-1586        low = self.sql(expression, "low")
-1587        high = self.sql(expression, "high")
-1588        return f"{this} BETWEEN {low} AND {high}"
+            
    1592    def between_sql(self, expression: exp.Between) -> str:
+1593        this = self.sql(expression, "this")
+1594        low = self.sql(expression, "low")
+1595        high = self.sql(expression, "high")
+1596        return f"{this} BETWEEN {low} AND {high}"
 
    
 
 
@@ -8437,11 +8474,11 @@ Default: True
 
     
    
     
-            
    1590    def bracket_sql(self, expression: exp.Bracket) -> str:
-1591        expressions = apply_index_offset(expression.this, expression.expressions, self.index_offset)
-1592        expressions_sql = ", ".join(self.sql(e) for e in expressions)
-1593
-1594        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
+            
    1598    def bracket_sql(self, expression: exp.Bracket) -> str:
+1599        expressions = apply_index_offset(expression.this, expression.expressions, self.index_offset)
+1600        expressions_sql = ", ".join(self.sql(e) for e in expressions)
+1601
+1602        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
 
    
 
 
@@ -8459,8 +8496,8 @@ Default: True
 
     
    
     
-            
    1596    def all_sql(self, expression: exp.All) -> str:
-1597        return f"ALL {self.wrap(expression)}"
+            
    1604    def all_sql(self, expression: exp.All) -> str:
+1605        return f"ALL {self.wrap(expression)}"
 
    
 
 
@@ -8478,11 +8515,11 @@ Default: True
 
     
    
     
-            
    1599    def any_sql(self, expression: exp.Any) -> str:
-1600        this = self.sql(expression, "this")
-1601        if isinstance(expression.this, exp.Subqueryable):
-1602            this = self.wrap(this)
-1603        return f"ANY {this}"
+            
    1607    def any_sql(self, expression: exp.Any) -> str:
+1608        this = self.sql(expression, "this")
+1609        if isinstance(expression.this, exp.Subqueryable):
+1610            this = self.wrap(this)
+1611        return f"ANY {this}"
 
    
 
 
@@ -8500,8 +8537,8 @@ Default: True
 
     
    
     
-            
    1605    def exists_sql(self, expression: exp.Exists) -> str:
-1606        return f"EXISTS{self.wrap(expression)}"
+            
    1613    def exists_sql(self, expression: exp.Exists) -> str:
+1614        return f"EXISTS{self.wrap(expression)}"
 
    
 
 
@@ -8519,25 +8556,25 @@ Default: True
 
     
    
     
-            
    1608    def case_sql(self, expression: exp.Case) -> str:
-1609        this = self.sql(expression, "this")
-1610        statements = [f"CASE {this}" if this else "CASE"]
-1611
-1612        for e in expression.args["ifs"]:
-1613            statements.append(f"WHEN {self.sql(e, 'this')}")
-1614            statements.append(f"THEN {self.sql(e, 'true')}")
-1615
-1616        default = self.sql(expression, "default")
-1617
-1618        if default:
-1619            statements.append(f"ELSE {default}")
-1620
-1621        statements.append("END")
-1622
-1623        if self.pretty and self.text_width(statements) > self._max_text_width:
-1624            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+            
    1616    def case_sql(self, expression: exp.Case) -> str:
+1617        this = self.sql(expression, "this")
+1618        statements = [f"CASE {this}" if this else "CASE"]
+1619
+1620        for e in expression.args["ifs"]:
+1621            statements.append(f"WHEN {self.sql(e, 'this')}")
+1622            statements.append(f"THEN {self.sql(e, 'true')}")
+1623
+1624        default = self.sql(expression, "default")
 1625
-1626        return " ".join(statements)
+1626        if default:
+1627            statements.append(f"ELSE {default}")
+1628
+1629        statements.append("END")
+1630
+1631        if self.pretty and self.text_width(statements) > self._max_text_width:
+1632            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+1633
+1634        return " ".join(statements)
 
    
 
 
@@ -8555,10 +8592,31 @@ Default: True
 
     
    
     
-            
    1628    def constraint_sql(self, expression: exp.Constraint) -> str:
-1629        this = self.sql(expression, "this")
-1630        expressions = self.expressions(expression, flat=True)
-1631        return f"CONSTRAINT {this} {expressions}"
+            
    1636    def constraint_sql(self, expression: exp.Constraint) -> str:
+1637        this = self.sql(expression, "this")
+1638        expressions = self.expressions(expression, flat=True)
+1639        return f"CONSTRAINT {this} {expressions}"
+
    
+
+
+    
+
+                            
    
+                            
    
+                                        
+
    
+            
+        def
+        nextvaluefor_sql(self, expression: sqlglot.expressions.NextValueFor) -> str:
+
+                
+
+    
    
+    
+            
    1641    def nextvaluefor_sql(self, expression: exp.NextValueFor) -> str:
+1642        order = expression.args.get("order")
+1643        order = f" OVER ({self.order_sql(order, flat=True)})" if order else ""
+1644        return f"NEXT VALUE FOR {self.sql(expression, 'this')}{order}"
 
    
 
 
@@ -8576,10 +8634,10 @@ Default: True
 
     
    
     
-            
    1633    def extract_sql(self, expression: exp.Extract) -> str:
-1634        this = self.sql(expression, "this")
-1635        expression_sql = self.sql(expression, "expression")
-1636        return f"EXTRACT({this} FROM {expression_sql})"
+            
    1646    def extract_sql(self, expression: exp.Extract) -> str:
+1647        this = self.sql(expression, "this")
+1648        expression_sql = self.sql(expression, "expression")
+1649        return f"EXTRACT({this} FROM {expression_sql})"
 
    
 
 
@@ -8597,15 +8655,15 @@ Default: True
 
     
    
     
-            
    1638    def trim_sql(self, expression: exp.Trim) -> str:
-1639        trim_type = self.sql(expression, "position")
-1640
-1641        if trim_type == "LEADING":
-1642            return self.func("LTRIM", expression.this)
-1643        elif trim_type == "TRAILING":
-1644            return self.func("RTRIM", expression.this)
-1645        else:
-1646            return self.func("TRIM", expression.this, expression.expression)
+            
    1651    def trim_sql(self, expression: exp.Trim) -> str:
+1652        trim_type = self.sql(expression, "position")
+1653
+1654        if trim_type == "LEADING":
+1655            return self.func("LTRIM", expression.this)
+1656        elif trim_type == "TRAILING":
+1657            return self.func("RTRIM", expression.this)
+1658        else:
+1659            return self.func("TRIM", expression.this, expression.expression)
 
    
 
 
@@ -8623,10 +8681,10 @@ Default: True
 
     
    
     
-            
    1648    def concat_sql(self, expression: exp.Concat) -> str:
-1649        if len(expression.expressions) == 1:
-1650            return self.sql(expression.expressions[0])
-1651        return self.function_fallback_sql(expression)
+            
    1661    def concat_sql(self, expression: exp.Concat) -> str:
+1662        if len(expression.expressions) == 1:
+1663            return self.sql(expression.expressions[0])
+1664        return self.function_fallback_sql(expression)
 
    
 
 
@@ -8644,9 +8702,9 @@ Default: True
 
     
    
     
-            
    1653    def check_sql(self, expression: exp.Check) -> str:
-1654        this = self.sql(expression, key="this")
-1655        return f"CHECK ({this})"
+            
    1666    def check_sql(self, expression: exp.Check) -> str:
+1667        this = self.sql(expression, key="this")
+1668        return f"CHECK ({this})"
 
    
 
 
@@ -8664,15 +8722,15 @@ Default: True
 
     
    
     
-            
    1657    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
-1658        expressions = self.expressions(expression, flat=True)
-1659        reference = self.sql(expression, "reference")
-1660        reference = f" {reference}" if reference else ""
-1661        delete = self.sql(expression, "delete")
-1662        delete = f" ON DELETE {delete}" if delete else ""
-1663        update = self.sql(expression, "update")
-1664        update = f" ON UPDATE {update}" if update else ""
-1665        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
+            
    1670    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
+1671        expressions = self.expressions(expression, flat=True)
+1672        reference = self.sql(expression, "reference")
+1673        reference = f" {reference}" if reference else ""
+1674        delete = self.sql(expression, "delete")
+1675        delete = f" ON DELETE {delete}" if delete else ""
+1676        update = self.sql(expression, "update")
+1677        update = f" ON UPDATE {update}" if update else ""
+1678        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
 
    
 
 
@@ -8690,11 +8748,11 @@ Default: True
 
     
    
     
-            
    1667    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
-1668        expressions = self.expressions(expression, flat=True)
-1669        options = self.expressions(expression, key="options", flat=True, sep=" ")
-1670        options = f" {options}" if options else ""
-1671        return f"PRIMARY KEY ({expressions}){options}"
+            
    1680    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
+1681        expressions = self.expressions(expression, flat=True)
+1682        options = self.expressions(expression, key="options", flat=True, sep=" ")
+1683        options = f" {options}" if options else ""
+1684        return f"PRIMARY KEY ({expressions}){options}"
 
    
 
 
@@ -8712,9 +8770,9 @@ Default: True
 
     
    
     
-            
    1673    def unique_sql(self, expression: exp.Unique) -> str:
-1674        columns = self.expressions(expression, key="expressions")
-1675        return f"UNIQUE ({columns})"
+            
    1686    def unique_sql(self, expression: exp.Unique) -> str:
+1687        columns = self.expressions(expression, key="expressions")
+1688        return f"UNIQUE ({columns})"
 
    
 
 
@@ -8732,10 +8790,10 @@ Default: True
 
     
    
     
-            
    1677    def if_sql(self, expression: exp.If) -> str:
-1678        return self.case_sql(
-1679            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
-1680        )
+            
    1690    def if_sql(self, expression: exp.If) -> str:
+1691        return self.case_sql(
+1692            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
+1693        )
 
    
 
 
@@ -8753,10 +8811,10 @@ Default: True
 
     
    
     
-            
    1682    def matchagainst_sql(self, expression: exp.MatchAgainst) -> str:
-1683        modifier = expression.args.get("modifier")
-1684        modifier = f" {modifier}" if modifier else ""
-1685        return f"{self.func('MATCH', *expression.expressions)} AGAINST({self.sql(expression, 'this')}{modifier})"
+            
    1695    def matchagainst_sql(self, expression: exp.MatchAgainst) -> str:
+1696        modifier = expression.args.get("modifier")
+1697        modifier = f" {modifier}" if modifier else ""
+1698        return f"{self.func('MATCH', *expression.expressions)} AGAINST({self.sql(expression, 'this')}{modifier})"
 
    
 
 
@@ -8774,8 +8832,8 @@ Default: True
 
     
    
     
-            
    1687    def jsonkeyvalue_sql(self, expression: exp.JSONKeyValue) -> str:
-1688        return f"{self.sql(expression, 'this')}: {self.sql(expression, 'expression')}"
+            
    1700    def jsonkeyvalue_sql(self, expression: exp.JSONKeyValue) -> str:
+1701        return f"{self.sql(expression, 'this')}: {self.sql(expression, 'expression')}"
 
    
 
 
@@ -8793,21 +8851,21 @@ Default: True
 
     
    
     
-            
    1690    def jsonobject_sql(self, expression: exp.JSONObject) -> str:
-1691        expressions = self.expressions(expression)
-1692        null_handling = expression.args.get("null_handling")
-1693        null_handling = f" {null_handling}" if null_handling else ""
-1694        unique_keys = expression.args.get("unique_keys")
-1695        if unique_keys is not None:
-1696            unique_keys = f" {'WITH' if unique_keys else 'WITHOUT'} UNIQUE KEYS"
-1697        else:
-1698            unique_keys = ""
-1699        return_type = self.sql(expression, "return_type")
-1700        return_type = f" RETURNING {return_type}" if return_type else ""
-1701        format_json = " FORMAT JSON" if expression.args.get("format_json") else ""
-1702        encoding = self.sql(expression, "encoding")
-1703        encoding = f" ENCODING {encoding}" if encoding else ""
-1704        return f"JSON_OBJECT({expressions}{null_handling}{unique_keys}{return_type}{format_json}{encoding})"
+            
    1703    def jsonobject_sql(self, expression: exp.JSONObject) -> str:
+1704        expressions = self.expressions(expression)
+1705        null_handling = expression.args.get("null_handling")
+1706        null_handling = f" {null_handling}" if null_handling else ""
+1707        unique_keys = expression.args.get("unique_keys")
+1708        if unique_keys is not None:
+1709            unique_keys = f" {'WITH' if unique_keys else 'WITHOUT'} UNIQUE KEYS"
+1710        else:
+1711            unique_keys = ""
+1712        return_type = self.sql(expression, "return_type")
+1713        return_type = f" RETURNING {return_type}" if return_type else ""
+1714        format_json = " FORMAT JSON" if expression.args.get("format_json") else ""
+1715        encoding = self.sql(expression, "encoding")
+1716        encoding = f" ENCODING {encoding}" if encoding else ""
+1717        return f"JSON_OBJECT({expressions}{null_handling}{unique_keys}{return_type}{format_json}{encoding})"
 
    
 
 
@@ -8825,22 +8883,22 @@ Default: True
 
     
    
     
-            
    1706    def in_sql(self, expression: exp.In) -> str:
-1707        query = expression.args.get("query")
-1708        unnest = expression.args.get("unnest")
-1709        field = expression.args.get("field")
-1710        is_global = " GLOBAL" if expression.args.get("is_global") else ""
-1711
-1712        if query:
-1713            in_sql = self.wrap(query)
-1714        elif unnest:
-1715            in_sql = self.in_unnest_op(unnest)
-1716        elif field:
-1717            in_sql = self.sql(field)
-1718        else:
-1719            in_sql = f"({self.expressions(expression, flat=True)})"
-1720
-1721        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
+            
    1719    def in_sql(self, expression: exp.In) -> str:
+1720        query = expression.args.get("query")
+1721        unnest = expression.args.get("unnest")
+1722        field = expression.args.get("field")
+1723        is_global = " GLOBAL" if expression.args.get("is_global") else ""
+1724
+1725        if query:
+1726            in_sql = self.wrap(query)
+1727        elif unnest:
+1728            in_sql = self.in_unnest_op(unnest)
+1729        elif field:
+1730            in_sql = self.sql(field)
+1731        else:
+1732            in_sql = f"({self.expressions(expression, flat=True)})"
+1733
+1734        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
 
    
 
 
@@ -8858,8 +8916,8 @@ Default: True
 
     
    
     
-            
    1723    def in_unnest_op(self, unnest: exp.Unnest) -> str:
-1724        return f"(SELECT {self.sql(unnest)})"
+            
    1736    def in_unnest_op(self, unnest: exp.Unnest) -> str:
+1737        return f"(SELECT {self.sql(unnest)})"
 
    
 
 
@@ -8877,22 +8935,22 @@ Default: True
 
     
    
     
-            
    1726    def interval_sql(self, expression: exp.Interval) -> str:
-1727        unit = self.sql(expression, "unit")
-1728        if not self.INTERVAL_ALLOWS_PLURAL_FORM:
-1729            unit = self.TIME_PART_SINGULARS.get(unit.lower(), unit)
-1730        unit = f" {unit}" if unit else ""
-1731
-1732        if self.SINGLE_STRING_INTERVAL:
-1733            this = expression.this.name if expression.this else ""
-1734            return f"INTERVAL '{this}{unit}'"
-1735
-1736        this = self.sql(expression, "this")
-1737        if this:
-1738            unwrapped = isinstance(expression.this, self.UNWRAPPED_INTERVAL_VALUES)
-1739            this = f" {this}" if unwrapped else f" ({this})"
-1740
-1741        return f"INTERVAL{this}{unit}"
+            
    1739    def interval_sql(self, expression: exp.Interval) -> str:
+1740        unit = self.sql(expression, "unit")
+1741        if not self.INTERVAL_ALLOWS_PLURAL_FORM:
+1742            unit = self.TIME_PART_SINGULARS.get(unit.lower(), unit)
+1743        unit = f" {unit}" if unit else ""
+1744
+1745        if self.SINGLE_STRING_INTERVAL:
+1746            this = expression.this.name if expression.this else ""
+1747            return f"INTERVAL '{this}{unit}'"
+1748
+1749        this = self.sql(expression, "this")
+1750        if this:
+1751            unwrapped = isinstance(expression.this, self.UNWRAPPED_INTERVAL_VALUES)
+1752            this = f" {this}" if unwrapped else f" ({this})"
+1753
+1754        return f"INTERVAL{this}{unit}"
 
    
 
 
@@ -8910,8 +8968,8 @@ Default: True
 
     
    
     
-            
    1743    def return_sql(self, expression: exp.Return) -> str:
-1744        return f"RETURN {self.sql(expression, 'this')}"
+            
    1756    def return_sql(self, expression: exp.Return) -> str:
+1757        return f"RETURN {self.sql(expression, 'this')}"
 
    
 
 
@@ -8929,13 +8987,13 @@ Default: True
 
     
    
     
-            
    1746    def reference_sql(self, expression: exp.Reference) -> str:
-1747        this = self.sql(expression, "this")
-1748        expressions = self.expressions(expression, flat=True)
-1749        expressions = f"({expressions})" if expressions else ""
-1750        options = self.expressions(expression, key="options", flat=True, sep=" ")
-1751        options = f" {options}" if options else ""
-1752        return f"REFERENCES {this}{expressions}{options}"
+            
    1759    def reference_sql(self, expression: exp.Reference) -> str:
+1760        this = self.sql(expression, "this")
+1761        expressions = self.expressions(expression, flat=True)
+1762        expressions = f"({expressions})" if expressions else ""
+1763        options = self.expressions(expression, key="options", flat=True, sep=" ")
+1764        options = f" {options}" if options else ""
+1765        return f"REFERENCES {this}{expressions}{options}"
 
    
 
 
@@ -8953,8 +9011,8 @@ Default: True
 
     
    
     
-            
    1754    def anonymous_sql(self, expression: exp.Anonymous) -> str:
-1755        return self.func(expression.name, *expression.expressions)
+            
    1767    def anonymous_sql(self, expression: exp.Anonymous) -> str:
+1768        return self.func(expression.name, *expression.expressions)
 
    
 
 
@@ -8972,14 +9030,14 @@ Default: True
 
     
    
     
-            
    1757    def paren_sql(self, expression: exp.Paren) -> str:
-1758        if isinstance(expression.unnest(), exp.Select):
-1759            sql = self.wrap(expression)
-1760        else:
-1761            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
-1762            sql = f"({sql}{self.seg(')', sep='')}"
-1763
-1764        return self.prepend_ctes(expression, sql)
+            
    1770    def paren_sql(self, expression: exp.Paren) -> str:
+1771        if isinstance(expression.unnest(), exp.Select):
+1772            sql = self.wrap(expression)
+1773        else:
+1774            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
+1775            sql = f"({sql}{self.seg(')', sep='')}"
+1776
+1777        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -8997,11 +9055,11 @@ Default: True
 
     
    
     
-            
    1766    def neg_sql(self, expression: exp.Neg) -> str:
-1767        # This makes sure we don't convert "- - 5" to "--5", which is a comment
-1768        this_sql = self.sql(expression, "this")
-1769        sep = " " if this_sql[0] == "-" else ""
-1770        return f"-{sep}{this_sql}"
+            
    1779    def neg_sql(self, expression: exp.Neg) -> str:
+1780        # This makes sure we don't convert "- - 5" to "--5", which is a comment
+1781        this_sql = self.sql(expression, "this")
+1782        sep = " " if this_sql[0] == "-" else ""
+1783        return f"-{sep}{this_sql}"
 
    
 
 
@@ -9019,8 +9077,8 @@ Default: True
 
     
    
     
-            
    1772    def not_sql(self, expression: exp.Not) -> str:
-1773        return f"NOT {self.sql(expression, 'this')}"
+            
    1785    def not_sql(self, expression: exp.Not) -> str:
+1786        return f"NOT {self.sql(expression, 'this')}"
 
    
 
 
@@ -9038,10 +9096,10 @@ Default: True
 
     
    
     
-            
    1775    def alias_sql(self, expression: exp.Alias) -> str:
-1776        alias = self.sql(expression, "alias")
-1777        alias = f" AS {alias}" if alias else ""
-1778        return f"{self.sql(expression, 'this')}{alias}"
+            
    1788    def alias_sql(self, expression: exp.Alias) -> str:
+1789        alias = self.sql(expression, "alias")
+1790        alias = f" AS {alias}" if alias else ""
+1791        return f"{self.sql(expression, 'this')}{alias}"
 
    
 
 
@@ -9059,8 +9117,8 @@ Default: True
 
     
    
     
-            
    1780    def aliases_sql(self, expression: exp.Aliases) -> str:
-1781        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
+            
    1793    def aliases_sql(self, expression: exp.Aliases) -> str:
+1794        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
 
    
 
 
@@ -9078,10 +9136,10 @@ Default: True
 
     
    
     
-            
    1783    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
-1784        this = self.sql(expression, "this")
-1785        zone = self.sql(expression, "zone")
-1786        return f"{this} AT TIME ZONE {zone}"
+            
    1796    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
+1797        this = self.sql(expression, "this")
+1798        zone = self.sql(expression, "zone")
+1799        return f"{this} AT TIME ZONE {zone}"
 
    
 
 
@@ -9099,8 +9157,8 @@ Default: True
 
     
    
     
-            
    1788    def add_sql(self, expression: exp.Add) -> str:
-1789        return self.binary(expression, "+")
+            
    1801    def add_sql(self, expression: exp.Add) -> str:
+1802        return self.binary(expression, "+")
 
    
 
 
@@ -9118,8 +9176,8 @@ Default: True
 
     
    
     
-            
    1791    def and_sql(self, expression: exp.And) -> str:
-1792        return self.connector_sql(expression, "AND")
+            
    1804    def and_sql(self, expression: exp.And) -> str:
+1805        return self.connector_sql(expression, "AND")
 
    
 
 
@@ -9137,17 +9195,17 @@ Default: True
 
     
    
     
-            
    1794    def connector_sql(self, expression: exp.Connector, op: str) -> str:
-1795        if not self.pretty:
-1796            return self.binary(expression, op)
-1797
-1798        sqls = tuple(
-1799            self.maybe_comment(self.sql(e), e, e.parent.comments) if i != 1 else self.sql(e)
-1800            for i, e in enumerate(expression.flatten(unnest=False))
-1801        )
-1802
-1803        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
-1804        return f"{sep}{op} ".join(sqls)
+            
    1807    def connector_sql(self, expression: exp.Connector, op: str) -> str:
+1808        if not self.pretty:
+1809            return self.binary(expression, op)
+1810
+1811        sqls = tuple(
+1812            self.maybe_comment(self.sql(e), e, e.parent.comments) if i != 1 else self.sql(e)
+1813            for i, e in enumerate(expression.flatten(unnest=False))
+1814        )
+1815
+1816        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
+1817        return f"{sep}{op} ".join(sqls)
 
    
 
 
@@ -9165,8 +9223,8 @@ Default: True
 
     
    
     
-            
    1806    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
-1807        return self.binary(expression, "&")
+            
    1819    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
+1820        return self.binary(expression, "&")
 
    
 
 
@@ -9184,8 +9242,8 @@ Default: True
 
     
    
     
-            
    1809    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
-1810        return self.binary(expression, "<<")
+            
    1822    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
+1823        return self.binary(expression, "<<")
 
    
 
 
@@ -9203,8 +9261,8 @@ Default: True
 
     
    
     
-            
    1812    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
-1813        return f"~{self.sql(expression, 'this')}"
+            
    1825    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
+1826        return f"~{self.sql(expression, 'this')}"
 
    
 
 
@@ -9222,8 +9280,8 @@ Default: True
 
     
    
     
-            
    1815    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
-1816        return self.binary(expression, "|")
+            
    1828    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
+1829        return self.binary(expression, "|")
 
    
 
 
@@ -9241,8 +9299,8 @@ Default: True
 
     
    
     
-            
    1818    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
-1819        return self.binary(expression, ">>")
+            
    1831    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
+1832        return self.binary(expression, ">>")
 
    
 
 
@@ -9260,8 +9318,8 @@ Default: True
 
     
    
     
-            
    1821    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
-1822        return self.binary(expression, "^")
+            
    1834    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
+1835        return self.binary(expression, "^")
 
    
 
 
@@ -9279,8 +9337,8 @@ Default: True
 
     
    
     
-            
    1824    def cast_sql(self, expression: exp.Cast) -> str:
-1825        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+            
    1837    def cast_sql(self, expression: exp.Cast) -> str:
+1838        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
 
    
 
 
@@ -9298,9 +9356,9 @@ Default: True
 
     
    
     
-            
    1827    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
-1828        zone = self.sql(expression, "this")
-1829        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
+            
    1840    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
+1841        zone = self.sql(expression, "this")
+1842        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
 
    
 
 
@@ -9318,8 +9376,8 @@ Default: True
 
     
    
     
-            
    1831    def collate_sql(self, expression: exp.Collate) -> str:
-1832        return self.binary(expression, "COLLATE")
+            
    1844    def collate_sql(self, expression: exp.Collate) -> str:
+1845        return self.binary(expression, "COLLATE")
 
    
 
 
@@ -9337,8 +9395,8 @@ Default: True
 
     
    
     
-            
    1834    def command_sql(self, expression: exp.Command) -> str:
-1835        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
+            
    1847    def command_sql(self, expression: exp.Command) -> str:
+1848        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
 
    
 
 
@@ -9356,12 +9414,12 @@ Default: True
 
     
    
     
-            
    1837    def comment_sql(self, expression: exp.Comment) -> str:
-1838        this = self.sql(expression, "this")
-1839        kind = expression.args["kind"]
-1840        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
-1841        expression_sql = self.sql(expression, "expression")
-1842        return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}"
+            
    1850    def comment_sql(self, expression: exp.Comment) -> str:
+1851        this = self.sql(expression, "this")
+1852        kind = expression.args["kind"]
+1853        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
+1854        expression_sql = self.sql(expression, "expression")
+1855        return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}"
 
    
 
 
@@ -9379,8 +9437,8 @@ Default: True
 
     
    
     
-            
    1844    def transaction_sql(self, expression: exp.Transaction) -> str:
-1845        return "BEGIN"
+            
    1857    def transaction_sql(self, expression: exp.Transaction) -> str:
+1858        return "BEGIN"
 
    
 
 
@@ -9398,12 +9456,12 @@ Default: True
 
     
    
     
-            
    1847    def commit_sql(self, expression: exp.Commit) -> str:
-1848        chain = expression.args.get("chain")
-1849        if chain is not None:
-1850            chain = " AND CHAIN" if chain else " AND NO CHAIN"
-1851
-1852        return f"COMMIT{chain or ''}"
+            
    1860    def commit_sql(self, expression: exp.Commit) -> str:
+1861        chain = expression.args.get("chain")
+1862        if chain is not None:
+1863            chain = " AND CHAIN" if chain else " AND NO CHAIN"
+1864
+1865        return f"COMMIT{chain or ''}"
 
    
 
 
@@ -9421,10 +9479,10 @@ Default: True
 
     
    
     
-            
    1854    def rollback_sql(self, expression: exp.Rollback) -> str:
-1855        savepoint = expression.args.get("savepoint")
-1856        savepoint = f" TO {savepoint}" if savepoint else ""
-1857        return f"ROLLBACK{savepoint}"
+            
    1867    def rollback_sql(self, expression: exp.Rollback) -> str:
+1868        savepoint = expression.args.get("savepoint")
+1869        savepoint = f" TO {savepoint}" if savepoint else ""
+1870        return f"ROLLBACK{savepoint}"
 
    
 
 
@@ -9442,25 +9500,25 @@ Default: True
 
     
    
     
-            
    1859    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
-1860        this = self.sql(expression, "this")
-1861
-1862        dtype = self.sql(expression, "dtype")
-1863        if dtype:
-1864            collate = self.sql(expression, "collate")
-1865            collate = f" COLLATE {collate}" if collate else ""
-1866            using = self.sql(expression, "using")
-1867            using = f" USING {using}" if using else ""
-1868            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
-1869
-1870        default = self.sql(expression, "default")
-1871        if default:
-1872            return f"ALTER COLUMN {this} SET DEFAULT {default}"
-1873
-1874        if not expression.args.get("drop"):
-1875            self.unsupported("Unsupported ALTER COLUMN syntax")
-1876
-1877        return f"ALTER COLUMN {this} DROP DEFAULT"
+            
    1872    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
+1873        this = self.sql(expression, "this")
+1874
+1875        dtype = self.sql(expression, "dtype")
+1876        if dtype:
+1877            collate = self.sql(expression, "collate")
+1878            collate = f" COLLATE {collate}" if collate else ""
+1879            using = self.sql(expression, "using")
+1880            using = f" USING {using}" if using else ""
+1881            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
+1882
+1883        default = self.sql(expression, "default")
+1884        if default:
+1885            return f"ALTER COLUMN {this} SET DEFAULT {default}"
+1886
+1887        if not expression.args.get("drop"):
+1888            self.unsupported("Unsupported ALTER COLUMN syntax")
+1889
+1890        return f"ALTER COLUMN {this} DROP DEFAULT"
 
    
 
 
@@ -9478,9 +9536,9 @@ Default: True
 
     
    
     
-            
    1879    def renametable_sql(self, expression: exp.RenameTable) -> str:
-1880        this = self.sql(expression, "this")
-1881        return f"RENAME TO {this}"
+            
    1892    def renametable_sql(self, expression: exp.RenameTable) -> str:
+1893        this = self.sql(expression, "this")
+1894        return f"RENAME TO {this}"
 
    
 
 
@@ -9498,20 +9556,20 @@ Default: True
 
     
    
     
-            
    1883    def altertable_sql(self, expression: exp.AlterTable) -> str:
-1884        actions = expression.args["actions"]
-1885
-1886        if isinstance(actions[0], exp.ColumnDef):
-1887            actions = self.expressions(expression, key="actions", prefix="ADD COLUMN ")
-1888        elif isinstance(actions[0], exp.Schema):
-1889            actions = self.expressions(expression, key="actions", prefix="ADD COLUMNS ")
-1890        elif isinstance(actions[0], exp.Delete):
-1891            actions = self.expressions(expression, key="actions", flat=True)
-1892        else:
-1893            actions = self.expressions(expression, key="actions")
-1894
-1895        exists = " IF EXISTS" if expression.args.get("exists") else ""
-1896        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
+            
    1896    def altertable_sql(self, expression: exp.AlterTable) -> str:
+1897        actions = expression.args["actions"]
+1898
+1899        if isinstance(actions[0], exp.ColumnDef):
+1900            actions = self.expressions(expression, key="actions", prefix="ADD COLUMN ")
+1901        elif isinstance(actions[0], exp.Schema):
+1902            actions = self.expressions(expression, key="actions", prefix="ADD COLUMNS ")
+1903        elif isinstance(actions[0], exp.Delete):
+1904            actions = self.expressions(expression, key="actions", flat=True)
+1905        else:
+1906            actions = self.expressions(expression, key="actions")
+1907
+1908        exists = " IF EXISTS" if expression.args.get("exists") else ""
+1909        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
 
    
 
 
@@ -9529,10 +9587,10 @@ Default: True
 
     
    
     
-            
    1898    def droppartition_sql(self, expression: exp.DropPartition) -> str:
-1899        expressions = self.expressions(expression)
-1900        exists = " IF EXISTS " if expression.args.get("exists") else " "
-1901        return f"DROP{exists}{expressions}"
+            
    1911    def droppartition_sql(self, expression: exp.DropPartition) -> str:
+1912        expressions = self.expressions(expression)
+1913        exists = " IF EXISTS " if expression.args.get("exists") else " "
+1914        return f"DROP{exists}{expressions}"
 
    
 
 
@@ -9550,16 +9608,16 @@ Default: True
 
     
    
     
-            
    1903    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
-1904        this = self.sql(expression, "this")
-1905        expression_ = self.sql(expression, "expression")
-1906        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
-1907
-1908        enforced = expression.args.get("enforced")
-1909        if enforced is not None:
-1910            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
-1911
-1912        return f"{add_constraint} {expression_}"
+            
    1916    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
+1917        this = self.sql(expression, "this")
+1918        expression_ = self.sql(expression, "expression")
+1919        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
+1920
+1921        enforced = expression.args.get("enforced")
+1922        if enforced is not None:
+1923            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
+1924
+1925        return f"{add_constraint} {expression_}"
 
    
 
 
@@ -9577,13 +9635,13 @@ Default: True
 
     
    
     
-            
    1914    def distinct_sql(self, expression: exp.Distinct) -> str:
-1915        this = self.expressions(expression, flat=True)
-1916        this = f" {this}" if this else ""
-1917
-1918        on = self.sql(expression, "on")
-1919        on = f" ON {on}" if on else ""
-1920        return f"DISTINCT{this}{on}"
+            
    1927    def distinct_sql(self, expression: exp.Distinct) -> str:
+1928        this = self.expressions(expression, flat=True)
+1929        this = f" {this}" if this else ""
+1930
+1931        on = self.sql(expression, "on")
+1932        on = f" ON {on}" if on else ""
+1933        return f"DISTINCT{this}{on}"
 
    
 
 
@@ -9601,8 +9659,8 @@ Default: True
 
     
    
     
-            
    1922    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
-1923        return f"{self.sql(expression, 'this')} IGNORE NULLS"
+            
    1935    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
+1936        return f"{self.sql(expression, 'this')} IGNORE NULLS"
 
    
 
 
@@ -9620,8 +9678,8 @@ Default: True
 
     
    
     
-            
    1925    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
-1926        return f"{self.sql(expression, 'this')} RESPECT NULLS"
+            
    1938    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
+1939        return f"{self.sql(expression, 'this')} RESPECT NULLS"
 
    
 
 
@@ -9639,13 +9697,13 @@ Default: True
 
     
    
     
-            
    1928    def intdiv_sql(self, expression: exp.IntDiv) -> str:
-1929        return self.sql(
-1930            exp.Cast(
-1931                this=exp.Div(this=expression.this, expression=expression.expression),
-1932                to=exp.DataType(this=exp.DataType.Type.INT),
-1933            )
-1934        )
+            
    1941    def intdiv_sql(self, expression: exp.IntDiv) -> str:
+1942        return self.sql(
+1943            exp.Cast(
+1944                this=exp.Div(this=expression.this, expression=expression.expression),
+1945                to=exp.DataType(this=exp.DataType.Type.INT),
+1946            )
+1947        )
 
    
 
 
@@ -9663,8 +9721,8 @@ Default: True
 
     
    
     
-            
    1936    def dpipe_sql(self, expression: exp.DPipe) -> str:
-1937        return self.binary(expression, "||")
+            
    1949    def dpipe_sql(self, expression: exp.DPipe) -> str:
+1950        return self.binary(expression, "||")
 
    
 
 
@@ -9682,8 +9740,8 @@ Default: True
 
     
    
     
-            
    1939    def div_sql(self, expression: exp.Div) -> str:
-1940        return self.binary(expression, "/")
+            
    1952    def div_sql(self, expression: exp.Div) -> str:
+1953        return self.binary(expression, "/")
 
    
 
 
@@ -9701,8 +9759,8 @@ Default: True
 
     
    
     
-            
    1942    def overlaps_sql(self, expression: exp.Overlaps) -> str:
-1943        return self.binary(expression, "OVERLAPS")
+            
    1955    def overlaps_sql(self, expression: exp.Overlaps) -> str:
+1956        return self.binary(expression, "OVERLAPS")
 
    
 
 
@@ -9720,8 +9778,8 @@ Default: True
 
     
    
     
-            
    1945    def distance_sql(self, expression: exp.Distance) -> str:
-1946        return self.binary(expression, "<->")
+            
    1958    def distance_sql(self, expression: exp.Distance) -> str:
+1959        return self.binary(expression, "<->")
 
    
 
 
@@ -9739,8 +9797,8 @@ Default: True
 
     
    
     
-            
    1948    def dot_sql(self, expression: exp.Dot) -> str:
-1949        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
+            
    1961    def dot_sql(self, expression: exp.Dot) -> str:
+1962        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
 
    
 
 
@@ -9758,8 +9816,8 @@ Default: True
 
     
    
     
-            
    1951    def eq_sql(self, expression: exp.EQ) -> str:
-1952        return self.binary(expression, "=")
+            
    1964    def eq_sql(self, expression: exp.EQ) -> str:
+1965        return self.binary(expression, "=")
 
    
 
 
@@ -9777,8 +9835,8 @@ Default: True
 
     
    
     
-            
    1954    def escape_sql(self, expression: exp.Escape) -> str:
-1955        return self.binary(expression, "ESCAPE")
+            
    1967    def escape_sql(self, expression: exp.Escape) -> str:
+1968        return self.binary(expression, "ESCAPE")
 
    
 
 
@@ -9796,8 +9854,8 @@ Default: True
 
     
    
     
-            
    1957    def glob_sql(self, expression: exp.Glob) -> str:
-1958        return self.binary(expression, "GLOB")
+            
    1970    def glob_sql(self, expression: exp.Glob) -> str:
+1971        return self.binary(expression, "GLOB")
 
    
 
 
@@ -9815,8 +9873,8 @@ Default: True
 
     
    
     
-            
    1960    def gt_sql(self, expression: exp.GT) -> str:
-1961        return self.binary(expression, ">")
+            
    1973    def gt_sql(self, expression: exp.GT) -> str:
+1974        return self.binary(expression, ">")
 
    
 
 
@@ -9834,8 +9892,8 @@ Default: True
 
     
    
     
-            
    1963    def gte_sql(self, expression: exp.GTE) -> str:
-1964        return self.binary(expression, ">=")
+            
    1976    def gte_sql(self, expression: exp.GTE) -> str:
+1977        return self.binary(expression, ">=")
 
    
 
 
@@ -9853,8 +9911,8 @@ Default: True
 
     
    
     
-            
    1966    def ilike_sql(self, expression: exp.ILike) -> str:
-1967        return self.binary(expression, "ILIKE")
+            
    1979    def ilike_sql(self, expression: exp.ILike) -> str:
+1980        return self.binary(expression, "ILIKE")
 
    
 
 
@@ -9872,8 +9930,8 @@ Default: True
 
     
    
     
-            
    1969    def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
-1970        return self.binary(expression, "ILIKE ANY")
+            
    1982    def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
+1983        return self.binary(expression, "ILIKE ANY")
 
    
 
 
@@ -9891,8 +9949,8 @@ Default: True
 
     
    
     
-            
    1972    def is_sql(self, expression: exp.Is) -> str:
-1973        return self.binary(expression, "IS")
+            
    1985    def is_sql(self, expression: exp.Is) -> str:
+1986        return self.binary(expression, "IS")
 
    
 
 
@@ -9910,8 +9968,8 @@ Default: True
 
     
    
     
-            
    1975    def like_sql(self, expression: exp.Like) -> str:
-1976        return self.binary(expression, "LIKE")
+            
    1988    def like_sql(self, expression: exp.Like) -> str:
+1989        return self.binary(expression, "LIKE")
 
    
 
 
@@ -9929,8 +9987,8 @@ Default: True
 
     
    
     
-            
    1978    def likeany_sql(self, expression: exp.LikeAny) -> str:
-1979        return self.binary(expression, "LIKE ANY")
+            
    1991    def likeany_sql(self, expression: exp.LikeAny) -> str:
+1992        return self.binary(expression, "LIKE ANY")
 
    
 
 
@@ -9948,8 +10006,8 @@ Default: True
 
     
    
     
-            
    1981    def similarto_sql(self, expression: exp.SimilarTo) -> str:
-1982        return self.binary(expression, "SIMILAR TO")
+            
    1994    def similarto_sql(self, expression: exp.SimilarTo) -> str:
+1995        return self.binary(expression, "SIMILAR TO")
 
    
 
 
@@ -9967,8 +10025,8 @@ Default: True
 
     
    
     
-            
    1984    def lt_sql(self, expression: exp.LT) -> str:
-1985        return self.binary(expression, "<")
+            
    1997    def lt_sql(self, expression: exp.LT) -> str:
+1998        return self.binary(expression, "<")
 
    
 
 
@@ -9986,8 +10044,8 @@ Default: True
 
     
    
     
-            
    1987    def lte_sql(self, expression: exp.LTE) -> str:
-1988        return self.binary(expression, "<=")
+            
    2000    def lte_sql(self, expression: exp.LTE) -> str:
+2001        return self.binary(expression, "<=")
 
    
 
 
@@ -10005,8 +10063,8 @@ Default: True
 
     
    
     
-            
    1990    def mod_sql(self, expression: exp.Mod) -> str:
-1991        return self.binary(expression, "%")
+            
    2003    def mod_sql(self, expression: exp.Mod) -> str:
+2004        return self.binary(expression, "%")
 
    
 
 
@@ -10024,8 +10082,8 @@ Default: True
 
     
    
     
-            
    1993    def mul_sql(self, expression: exp.Mul) -> str:
-1994        return self.binary(expression, "*")
+            
    2006    def mul_sql(self, expression: exp.Mul) -> str:
+2007        return self.binary(expression, "*")
 
    
 
 
@@ -10043,8 +10101,8 @@ Default: True
 
     
    
     
-            
    1996    def neq_sql(self, expression: exp.NEQ) -> str:
-1997        return self.binary(expression, "<>")
+            
    2009    def neq_sql(self, expression: exp.NEQ) -> str:
+2010        return self.binary(expression, "<>")
 
    
 
 
@@ -10062,8 +10120,8 @@ Default: True
 
     
    
     
-            
    1999    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
-2000        return self.binary(expression, "IS NOT DISTINCT FROM")
+            
    2012    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
+2013        return self.binary(expression, "IS NOT DISTINCT FROM")
 
    
 
 
@@ -10081,8 +10139,8 @@ Default: True
 
     
    
     
-            
    2002    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
-2003        return self.binary(expression, "IS DISTINCT FROM")
+            
    2015    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
+2016        return self.binary(expression, "IS DISTINCT FROM")
 
    
 
 
@@ -10100,8 +10158,8 @@ Default: True
 
     
    
     
-            
    2005    def or_sql(self, expression: exp.Or) -> str:
-2006        return self.connector_sql(expression, "OR")
+            
    2018    def or_sql(self, expression: exp.Or) -> str:
+2019        return self.connector_sql(expression, "OR")
 
    
 
 
@@ -10119,8 +10177,8 @@ Default: True
 
     
    
     
-            
    2008    def slice_sql(self, expression: exp.Slice) -> str:
-2009        return self.binary(expression, ":")
+            
    2021    def slice_sql(self, expression: exp.Slice) -> str:
+2022        return self.binary(expression, ":")
 
    
 
 
@@ -10138,8 +10196,8 @@ Default: True
 
     
    
     
-            
    2011    def sub_sql(self, expression: exp.Sub) -> str:
-2012        return self.binary(expression, "-")
+            
    2024    def sub_sql(self, expression: exp.Sub) -> str:
+2025        return self.binary(expression, "-")
 
    
 
 
@@ -10157,8 +10215,8 @@ Default: True
 
     
    
     
-            
    2014    def trycast_sql(self, expression: exp.TryCast) -> str:
-2015        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+            
    2027    def trycast_sql(self, expression: exp.TryCast) -> str:
+2028        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
 
    
 
 
@@ -10176,12 +10234,12 @@ Default: True
 
     
    
     
-            
    2017    def use_sql(self, expression: exp.Use) -> str:
-2018        kind = self.sql(expression, "kind")
-2019        kind = f" {kind}" if kind else ""
-2020        this = self.sql(expression, "this")
-2021        this = f" {this}" if this else ""
-2022        return f"USE{kind}{this}"
+            
    2030    def use_sql(self, expression: exp.Use) -> str:
+2031        kind = self.sql(expression, "kind")
+2032        kind = f" {kind}" if kind else ""
+2033        this = self.sql(expression, "this")
+2034        this = f" {this}" if this else ""
+2035        return f"USE{kind}{this}"
 
    
 
 
@@ -10199,9 +10257,9 @@ Default: True
 
     
    
     
-            
    2024    def binary(self, expression: exp.Binary, op: str) -> str:
-2025        op = self.maybe_comment(op, comments=expression.comments)
-2026        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
+            
    2037    def binary(self, expression: exp.Binary, op: str) -> str:
+2038        op = self.maybe_comment(op, comments=expression.comments)
+2039        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
 
    
 
 
@@ -10219,16 +10277,16 @@ Default: True
 
     
    
     
-            
    2028    def function_fallback_sql(self, expression: exp.Func) -> str:
-2029        args = []
-2030        for arg_value in expression.args.values():
-2031            if isinstance(arg_value, list):
-2032                for value in arg_value:
-2033                    args.append(value)
-2034            else:
-2035                args.append(arg_value)
-2036
-2037        return self.func(expression.sql_name(), *args)
+            
    2041    def function_fallback_sql(self, expression: exp.Func) -> str:
+2042        args = []
+2043        for arg_value in expression.args.values():
+2044            if isinstance(arg_value, list):
+2045                for value in arg_value:
+2046                    args.append(value)
+2047            else:
+2048                args.append(arg_value)
+2049
+2050        return self.func(expression.sql_name(), *args)
 
    
 
 
@@ -10246,8 +10304,8 @@ Default: True
 
     
    
     
-            
    2039    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
-2040        return f"{self.normalize_func(name)}({self.format_args(*args)})"
+            
    2052    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
+2053        return f"{self.normalize_func(name)}({self.format_args(*args)})"
 
    
 
 
@@ -10265,11 +10323,11 @@ Default: True
 
     
    
     
-            
    2042    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
-2043        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
-2044        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
-2045            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
-2046        return ", ".join(arg_sqls)
+            
    2055    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
+2056        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
+2057        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
+2058            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
+2059        return ", ".join(arg_sqls)
 
    
 
 
@@ -10287,8 +10345,8 @@ Default: True
 
     
    
     
-            
    2048    def text_width(self, args: t.Iterable) -> int:
-2049        return sum(len(arg) for arg in args)
+            
    2061    def text_width(self, args: t.Iterable) -> int:
+2062        return sum(len(arg) for arg in args)
 
    
 
 
@@ -10306,8 +10364,8 @@ Default: True
 
     
    
     
-            
    2051    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
-2052        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
+            
    2064    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
+2065        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
 
    
 
 
@@ -10325,47 +10383,47 @@ Default: True
 
     
    
     
-            
    2054    def expressions(
-2055        self,
-2056        expression: t.Optional[exp.Expression] = None,
-2057        key: t.Optional[str] = None,
-2058        sqls: t.Optional[t.List[str]] = None,
-2059        flat: bool = False,
-2060        indent: bool = True,
-2061        sep: str = ", ",
-2062        prefix: str = "",
-2063    ) -> str:
-2064        expressions = expression.args.get(key or "expressions") if expression else sqls
-2065
-2066        if not expressions:
-2067            return ""
-2068
-2069        if flat:
-2070            return sep.join(self.sql(e) for e in expressions)
-2071
-2072        num_sqls = len(expressions)
-2073
-2074        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
-2075        pad = " " * self.pad
-2076        stripped_sep = sep.strip()
-2077
-2078        result_sqls = []
-2079        for i, e in enumerate(expressions):
-2080            sql = self.sql(e, comment=False)
-2081            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
-2082
-2083            if self.pretty:
-2084                if self._leading_comma:
-2085                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
-2086                else:
-2087                    result_sqls.append(
-2088                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
-2089                    )
-2090            else:
-2091                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
-2092
-2093        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
-2094        return self.indent(result_sql, skip_first=False) if indent else result_sql
+            
    2067    def expressions(
+2068        self,
+2069        expression: t.Optional[exp.Expression] = None,
+2070        key: t.Optional[str] = None,
+2071        sqls: t.Optional[t.List[str]] = None,
+2072        flat: bool = False,
+2073        indent: bool = True,
+2074        sep: str = ", ",
+2075        prefix: str = "",
+2076    ) -> str:
+2077        expressions = expression.args.get(key or "expressions") if expression else sqls
+2078
+2079        if not expressions:
+2080            return ""
+2081
+2082        if flat:
+2083            return sep.join(self.sql(e) for e in expressions)
+2084
+2085        num_sqls = len(expressions)
+2086
+2087        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
+2088        pad = " " * self.pad
+2089        stripped_sep = sep.strip()
+2090
+2091        result_sqls = []
+2092        for i, e in enumerate(expressions):
+2093            sql = self.sql(e, comment=False)
+2094            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
+2095
+2096            if self.pretty:
+2097                if self._leading_comma:
+2098                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
+2099                else:
+2100                    result_sqls.append(
+2101                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
+2102                    )
+2103            else:
+2104                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
+2105
+2106        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
+2107        return self.indent(result_sql, skip_first=False) if indent else result_sql
 
    
 
 
@@ -10383,12 +10441,12 @@ Default: True
 
     
    
     
-            
    2096    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
-2097        flat = flat or isinstance(expression.parent, exp.Properties)
-2098        expressions_sql = self.expressions(expression, flat=flat)
-2099        if flat:
-2100            return f"{op} {expressions_sql}"
-2101        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
+            
    2109    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
+2110        flat = flat or isinstance(expression.parent, exp.Properties)
+2111        expressions_sql = self.expressions(expression, flat=flat)
+2112        if flat:
+2113            return f"{op} {expressions_sql}"
+2114        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
 
    
 
 
@@ -10406,11 +10464,11 @@ Default: True
 
     
    
     
-            
    2103    def naked_property(self, expression: exp.Property) -> str:
-2104        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
-2105        if not property_name:
-2106            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
-2107        return f"{property_name} {self.sql(expression, 'this')}"
+            
    2116    def naked_property(self, expression: exp.Property) -> str:
+2117        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
+2118        if not property_name:
+2119            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
+2120        return f"{property_name} {self.sql(expression, 'this')}"
 
    
 
 
@@ -10428,12 +10486,12 @@ Default: True
 
     
    
     
-            
    2109    def set_operation(self, expression: exp.Expression, op: str) -> str:
-2110        this = self.sql(expression, "this")
-2111        op = self.seg(op)
-2112        return self.query_modifiers(
-2113            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
-2114        )
+            
    2122    def set_operation(self, expression: exp.Expression, op: str) -> str:
+2123        this = self.sql(expression, "this")
+2124        op = self.seg(op)
+2125        return self.query_modifiers(
+2126            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
+2127        )
 
    
 
 
@@ -10451,8 +10509,8 @@ Default: True
 
     
    
     
-            
    2116    def tag_sql(self, expression: exp.Tag) -> str:
-2117        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
+            
    2129    def tag_sql(self, expression: exp.Tag) -> str:
+2130        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
 
    
 
 
@@ -10470,8 +10528,8 @@ Default: True
 
     
    
     
-            
    2119    def token_sql(self, token_type: TokenType) -> str:
-2120        return self.TOKEN_MAPPING.get(token_type, token_type.name)
+            
    2132    def token_sql(self, token_type: TokenType) -> str:
+2133        return self.TOKEN_MAPPING.get(token_type, token_type.name)
 
    
 
 
@@ -10489,13 +10547,13 @@ Default: True
 
     
    
     
-            
    2122    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
-2123        this = self.sql(expression, "this")
-2124        expressions = self.no_identify(self.expressions, expression)
-2125        expressions = (
-2126            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
-2127        )
-2128        return f"{this}{expressions}"
+            
    2135    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
+2136        this = self.sql(expression, "this")
+2137        expressions = self.no_identify(self.expressions, expression)
+2138        expressions = (
+2139            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
+2140        )
+2141        return f"{this}{expressions}"
 
    
 
 
@@ -10513,10 +10571,10 @@ Default: True
 
     
    
     
-            
    2130    def joinhint_sql(self, expression: exp.JoinHint) -> str:
-2131        this = self.sql(expression, "this")
-2132        expressions = self.expressions(expression, flat=True)
-2133        return f"{this}({expressions})"
+            
    2143    def joinhint_sql(self, expression: exp.JoinHint) -> str:
+2144        this = self.sql(expression, "this")
+2145        expressions = self.expressions(expression, flat=True)
+2146        return f"{this}({expressions})"
 
    
 
 
@@ -10534,8 +10592,8 @@ Default: True
 
     
    
     
-            
    2135    def kwarg_sql(self, expression: exp.Kwarg) -> str:
-2136        return self.binary(expression, "=>")
+            
    2148    def kwarg_sql(self, expression: exp.Kwarg) -> str:
+2149        return self.binary(expression, "=>")
 
    
 
 
@@ -10553,25 +10611,25 @@ Default: True
 
     
    
     
-            
    2138    def when_sql(self, expression: exp.When) -> str:
-2139        matched = "MATCHED" if expression.args["matched"] else "NOT MATCHED"
-2140        source = " BY SOURCE" if self.MATCHED_BY_SOURCE and expression.args.get("source") else ""
-2141        condition = self.sql(expression, "condition")
-2142        condition = f" AND {condition}" if condition else ""
-2143
-2144        then_expression = expression.args.get("then")
-2145        if isinstance(then_expression, exp.Insert):
-2146            then = f"INSERT {self.sql(then_expression, 'this')}"
-2147            if "expression" in then_expression.args:
-2148                then += f" VALUES {self.sql(then_expression, 'expression')}"
-2149        elif isinstance(then_expression, exp.Update):
-2150            if isinstance(then_expression.args.get("expressions"), exp.Star):
-2151                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
-2152            else:
-2153                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
-2154        else:
-2155            then = self.sql(then_expression)
-2156        return f"WHEN {matched}{source}{condition} THEN {then}"
+            
    2151    def when_sql(self, expression: exp.When) -> str:
+2152        matched = "MATCHED" if expression.args["matched"] else "NOT MATCHED"
+2153        source = " BY SOURCE" if self.MATCHED_BY_SOURCE and expression.args.get("source") else ""
+2154        condition = self.sql(expression, "condition")
+2155        condition = f" AND {condition}" if condition else ""
+2156
+2157        then_expression = expression.args.get("then")
+2158        if isinstance(then_expression, exp.Insert):
+2159            then = f"INSERT {self.sql(then_expression, 'this')}"
+2160            if "expression" in then_expression.args:
+2161                then += f" VALUES {self.sql(then_expression, 'expression')}"
+2162        elif isinstance(then_expression, exp.Update):
+2163            if isinstance(then_expression.args.get("expressions"), exp.Star):
+2164                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
+2165            else:
+2166                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
+2167        else:
+2168            then = self.sql(then_expression)
+2169        return f"WHEN {matched}{source}{condition} THEN {then}"
 
    
 
 
@@ -10589,11 +10647,11 @@ Default: True
 
     
    
     
-            
    2158    def merge_sql(self, expression: exp.Merge) -> str:
-2159        this = self.sql(expression, "this")
-2160        using = f"USING {self.sql(expression, 'using')}"
-2161        on = f"ON {self.sql(expression, 'on')}"
-2162        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
+            
    2171    def merge_sql(self, expression: exp.Merge) -> str:
+2172        this = self.sql(expression, "this")
+2173        using = f"USING {self.sql(expression, 'using')}"
+2174        on = f"ON {self.sql(expression, 'on')}"
+2175        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
 
    
 
 
@@ -10611,11 +10669,11 @@ Default: True
 
     
    
     
-            
    2164    def tochar_sql(self, expression: exp.ToChar) -> str:
-2165        if expression.args.get("format"):
-2166            self.unsupported("Format argument unsupported for TO_CHAR/TO_VARCHAR function")
-2167
-2168        return self.sql(exp.cast(expression.this, "text"))
+            
    2177    def tochar_sql(self, expression: exp.ToChar) -> str:
+2178        if expression.args.get("format"):
+2179            self.unsupported("Format argument unsupported for TO_CHAR/TO_VARCHAR function")
+2180
+2181        return self.sql(exp.cast(expression.this, "text"))
 
    
 
 
diff --git a/docs/sqlglot/lineage.html b/docs/sqlglot/lineage.html
index 1c375ad..da53907 100644
--- a/docs/sqlglot/lineage.html
+++ b/docs/sqlglot/lineage.html
@@ -441,7 +441,7 @@
 
    
             
         def
-        lineage(	column: str | sqlglot.expressions.Column,	sql: str | sqlglot.expressions.Expression,	schema: Union[Dict, sqlglot.schema.Schema, NoneType] = None,	sources: Optional[Dict[str, str | sqlglot.expressions.Subqueryable]] = None,	rules: Sequence[Callable] = (<function qualify_tables at 0x7fac3cdc5630>, <function qualify_columns at 0x7fac3cdc4550>, <function expand_laterals at 0x7fac3cd8eb90>),	dialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None) -> sqlglot.lineage.Node:
+        lineage(	column: str | sqlglot.expressions.Column,	sql: str | sqlglot.expressions.Expression,	schema: Union[Dict, sqlglot.schema.Schema, NoneType] = None,	sources: Optional[Dict[str, str | sqlglot.expressions.Subqueryable]] = None,	rules: Sequence[Callable] = (<function qualify_tables at 0x7fc498defd00>, <function qualify_columns at 0x7fc498deeb90>, <function expand_laterals at 0x7fc498deef80>),	dialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None) -> sqlglot.lineage.Node:
 
                 
 
diff --git a/docs/sqlglot/optimizer/annotate_types.html b/docs/sqlglot/optimizer/annotate_types.html
index 922e282..786c144 100644
--- a/docs/sqlglot/optimizer/annotate_types.html
+++ b/docs/sqlglot/optimizer/annotate_types.html
@@ -408,7 +408,7 @@
 338        left_type = expression.left.type.this
 339        right_type = expression.right.type.this
 340
-341        if isinstance(expression, (exp.And, exp.Or)):
+341        if isinstance(expression, exp.Connector):
 342            if left_type == exp.DataType.Type.NULL and right_type == exp.DataType.Type.NULL:
 343                expression.type = exp.DataType.Type.NULL
 344            elif exp.DataType.Type.NULL in (left_type, right_type):
@@ -417,7 +417,7 @@
 347                )
 348            else:
 349                expression.type = exp.DataType.Type.BOOLEAN
-350        elif isinstance(expression, (exp.Condition, exp.Predicate)):
+350        elif isinstance(expression, exp.Predicate):
 351            expression.type = exp.DataType.Type.BOOLEAN
 352        else:
 353            expression.type = self._maybe_coerce(left_type, right_type)
@@ -864,7 +864,7 @@ Assumes that we've already executed the optimizer's qualify_columns step.
    
     339        left_type = expression.left.type.this
 340        right_type = expression.right.type.this
 341
-342        if isinstance(expression, (exp.And, exp.Or)):
+342        if isinstance(expression, exp.Connector):
 343            if left_type == exp.DataType.Type.NULL and right_type == exp.DataType.Type.NULL:
 344                expression.type = exp.DataType.Type.NULL
 345            elif exp.DataType.Type.NULL in (left_type, right_type):
@@ -873,7 +873,7 @@ Assumes that we've already executed the optimizer's qualify_columns step.
    
     348                )
 349            else:
 350                expression.type = exp.DataType.Type.BOOLEAN
-351        elif isinstance(expression, (exp.Condition, exp.Predicate)):
+351        elif isinstance(expression, exp.Predicate):
 352            expression.type = exp.DataType.Type.BOOLEAN
 353        else:
 354            expression.type = self._maybe_coerce(left_type, right_type)
diff --git a/docs/sqlglot/optimizer/eliminate_joins.html b/docs/sqlglot/optimizer/eliminate_joins.html
index 009b5b5..de213e4 100644
--- a/docs/sqlglot/optimizer/eliminate_joins.html
+++ b/docs/sqlglot/optimizer/eliminate_joins.html
@@ -214,7 +214,7 @@
 153    #
 154    # should pull y.b as the join key and x.a as the source key
 155    if normalized(on):
-156        on = on if isinstance(on, exp.And) else exp.and_(on, exp.true())
+156        on = on if isinstance(on, exp.And) else exp.and_(on, exp.true(), copy=False)
 157
 158        for condition in on.flatten():
 159            if isinstance(condition, exp.EQ):
@@ -372,7 +372,7 @@
 154    #
 155    # should pull y.b as the join key and x.a as the source key
 156    if normalized(on):
-157        on = on if isinstance(on, exp.And) else exp.and_(on, exp.true())
+157        on = on if isinstance(on, exp.And) else exp.and_(on, exp.true(), copy=False)
 158
 159        for condition in on.flatten():
 160            if isinstance(condition, exp.EQ):
diff --git a/docs/sqlglot/optimizer/expand_laterals.html b/docs/sqlglot/optimizer/expand_laterals.html
index c03ce41..8fcc1a1 100644
--- a/docs/sqlglot/optimizer/expand_laterals.html
+++ b/docs/sqlglot/optimizer/expand_laterals.html
@@ -87,8 +87,8 @@
 29            for column in projection.find_all(exp.Column):
 30                if not column.table and column.name in alias_to_expression:
 31                    column.replace(alias_to_expression[column.name].copy())
-32                if isinstance(projection, exp.Alias):
-33                    alias_to_expression[projection.alias] = projection.this
+32            if isinstance(projection, exp.Alias):
+33                alias_to_expression[projection.alias] = projection.this
 34    return expression
 
    
 
@@ -129,8 +129,8 @@
 30            for column in projection.find_all(exp.Column):
 31                if not column.table and column.name in alias_to_expression:
 32                    column.replace(alias_to_expression[column.name].copy())
-33                if isinstance(projection, exp.Alias):
-34                    alias_to_expression[projection.alias] = projection.this
+33            if isinstance(projection, exp.Alias):
+34                alias_to_expression[projection.alias] = projection.this
 35    return expression
 
    
 
diff --git a/docs/sqlglot/optimizer/normalize.html b/docs/sqlglot/optimizer/normalize.html
index 2bbdd82..c83a040 100644
--- a/docs/sqlglot/optimizer/normalize.html
+++ b/docs/sqlglot/optimizer/normalize.html
@@ -219,15 +219,17 @@
     152            lambda c: to_func(
 153                uniq_sort(flatten(from_func(c, b.left)), cache),
 154                uniq_sort(flatten(from_func(c, b.right)), cache),
-155            ),
-156        )
-157    else:
-158        a = to_func(
-159            uniq_sort(flatten(from_func(a, b.left)), cache),
-160            uniq_sort(flatten(from_func(a, b.right)), cache),
-161        )
-162
-163    return a
+155                copy=False,
+156            ),
+157        )
+158    else:
+159        a = to_func(
+160            uniq_sort(flatten(from_func(a, b.left)), cache),
+161            uniq_sort(flatten(from_func(a, b.right)), cache),
+162            copy=False,
+163        )
+164
+165    return a
 
    
 
 
diff --git a/docs/sqlglot/optimizer/optimizer.html b/docs/sqlglot/optimizer/optimizer.html
index 030b85b..378281d 100644
--- a/docs/sqlglot/optimizer/optimizer.html
+++ b/docs/sqlglot/optimizer/optimizer.html
@@ -68,87 +68,85 @@
     10from sqlglot.optimizer.eliminate_ctes import eliminate_ctes
 11from sqlglot.optimizer.eliminate_joins import eliminate_joins
 12from sqlglot.optimizer.eliminate_subqueries import eliminate_subqueries
-13from sqlglot.optimizer.expand_laterals import expand_laterals
-14from sqlglot.optimizer.expand_multi_table_selects import expand_multi_table_selects
-15from sqlglot.optimizer.isolate_table_selects import isolate_table_selects
-16from sqlglot.optimizer.lower_identities import lower_identities
-17from sqlglot.optimizer.merge_subqueries import merge_subqueries
-18from sqlglot.optimizer.normalize import normalize
-19from sqlglot.optimizer.optimize_joins import optimize_joins
-20from sqlglot.optimizer.pushdown_predicates import pushdown_predicates
-21from sqlglot.optimizer.pushdown_projections import pushdown_projections
-22from sqlglot.optimizer.qualify_columns import qualify_columns, validate_qualify_columns
-23from sqlglot.optimizer.qualify_tables import qualify_tables
-24from sqlglot.optimizer.simplify import simplify
-25from sqlglot.optimizer.unnest_subqueries import unnest_subqueries
-26from sqlglot.schema import ensure_schema
-27
-28RULES = (
-29    lower_identities,
-30    qualify_tables,
-31    isolate_table_selects,
-32    qualify_columns,
-33    expand_laterals,
-34    pushdown_projections,
-35    validate_qualify_columns,
-36    normalize,
-37    unnest_subqueries,
-38    expand_multi_table_selects,
-39    pushdown_predicates,
-40    optimize_joins,
-41    eliminate_subqueries,
-42    merge_subqueries,
-43    eliminate_joins,
-44    eliminate_ctes,
-45    annotate_types,
-46    canonicalize,
-47    simplify,
-48)
-49
-50
-51def optimize(
-52    expression: str | exp.Expression,
-53    schema: t.Optional[dict | Schema] = None,
-54    db: t.Optional[str] = None,
-55    catalog: t.Optional[str] = None,
-56    dialect: DialectType = None,
-57    rules: t.Sequence[t.Callable] = RULES,
-58    **kwargs,
-59):
-60    """
-61    Rewrite a sqlglot AST into an optimized form.
-62
-63    Args:
-64        expression: expression to optimize
-65        schema: database schema.
-66            This can either be an instance of `sqlglot.optimizer.Schema` or a mapping in one of
-67            the following forms:
-68                1. {table: {col: type}}
-69                2. {db: {table: {col: type}}}
-70                3. {catalog: {db: {table: {col: type}}}}
-71            If no schema is provided then the default schema defined at `sqlgot.schema` will be used
-72        db: specify the default database, as might be set by a `USE DATABASE db` statement
-73        catalog: specify the default catalog, as might be set by a `USE CATALOG c` statement
-74        dialect: The dialect to parse the sql string.
-75        rules: sequence of optimizer rules to use.
-76            Many of the rules require tables and columns to be qualified.
-77            Do not remove qualify_tables or qualify_columns from the sequence of rules unless you know
-78            what you're doing!
-79        **kwargs: If a rule has a keyword argument with a same name in **kwargs, it will be passed in.
-80    Returns:
-81        sqlglot.Expression: optimized expression
-82    """
-83    schema = ensure_schema(schema or sqlglot.schema, dialect=dialect)
-84    possible_kwargs = {"db": db, "catalog": catalog, "schema": schema, **kwargs}
-85    expression = exp.maybe_parse(expression, dialect=dialect, copy=True)
-86    for rule in rules:
-87        # Find any additional rule parameters, beyond `expression`
-88        rule_params = rule.__code__.co_varnames
-89        rule_kwargs = {
-90            param: possible_kwargs[param] for param in rule_params if param in possible_kwargs
-91        }
-92        expression = rule(expression, **rule_kwargs)
-93    return expression
+13from sqlglot.optimizer.expand_multi_table_selects import expand_multi_table_selects
+14from sqlglot.optimizer.isolate_table_selects import isolate_table_selects
+15from sqlglot.optimizer.lower_identities import lower_identities
+16from sqlglot.optimizer.merge_subqueries import merge_subqueries
+17from sqlglot.optimizer.normalize import normalize
+18from sqlglot.optimizer.optimize_joins import optimize_joins
+19from sqlglot.optimizer.pushdown_predicates import pushdown_predicates
+20from sqlglot.optimizer.pushdown_projections import pushdown_projections
+21from sqlglot.optimizer.qualify_columns import qualify_columns, validate_qualify_columns
+22from sqlglot.optimizer.qualify_tables import qualify_tables
+23from sqlglot.optimizer.simplify import simplify
+24from sqlglot.optimizer.unnest_subqueries import unnest_subqueries
+25from sqlglot.schema import ensure_schema
+26
+27RULES = (
+28    lower_identities,
+29    qualify_tables,
+30    isolate_table_selects,
+31    qualify_columns,
+32    pushdown_projections,
+33    validate_qualify_columns,
+34    normalize,
+35    unnest_subqueries,
+36    expand_multi_table_selects,
+37    pushdown_predicates,
+38    optimize_joins,
+39    eliminate_subqueries,
+40    merge_subqueries,
+41    eliminate_joins,
+42    eliminate_ctes,
+43    annotate_types,
+44    canonicalize,
+45    simplify,
+46)
+47
+48
+49def optimize(
+50    expression: str | exp.Expression,
+51    schema: t.Optional[dict | Schema] = None,
+52    db: t.Optional[str] = None,
+53    catalog: t.Optional[str] = None,
+54    dialect: DialectType = None,
+55    rules: t.Sequence[t.Callable] = RULES,
+56    **kwargs,
+57):
+58    """
+59    Rewrite a sqlglot AST into an optimized form.
+60
+61    Args:
+62        expression: expression to optimize
+63        schema: database schema.
+64            This can either be an instance of `sqlglot.optimizer.Schema` or a mapping in one of
+65            the following forms:
+66                1. {table: {col: type}}
+67                2. {db: {table: {col: type}}}
+68                3. {catalog: {db: {table: {col: type}}}}
+69            If no schema is provided then the default schema defined at `sqlgot.schema` will be used
+70        db: specify the default database, as might be set by a `USE DATABASE db` statement
+71        catalog: specify the default catalog, as might be set by a `USE CATALOG c` statement
+72        dialect: The dialect to parse the sql string.
+73        rules: sequence of optimizer rules to use.
+74            Many of the rules require tables and columns to be qualified.
+75            Do not remove qualify_tables or qualify_columns from the sequence of rules unless you know
+76            what you're doing!
+77        **kwargs: If a rule has a keyword argument with a same name in **kwargs, it will be passed in.
+78    Returns:
+79        sqlglot.Expression: optimized expression
+80    """
+81    schema = ensure_schema(schema or sqlglot.schema, dialect=dialect)
+82    possible_kwargs = {"db": db, "catalog": catalog, "schema": schema, **kwargs}
+83    expression = exp.maybe_parse(expression, dialect=dialect, copy=True)
+84    for rule in rules:
+85        # Find any additional rule parameters, beyond `expression`
+86        rule_params = rule.__code__.co_varnames
+87        rule_kwargs = {
+88            param: possible_kwargs[param] for param in rule_params if param in possible_kwargs
+89        }
+90        expression = rule(expression, **rule_kwargs)
+91    return expression
 
    
 
 
@@ -158,55 +156,55 @@
 
    
             
         def
-        optimize(	expression: str | sqlglot.expressions.Expression,	schema: Union[dict, sqlglot.schema.Schema, NoneType] = None,	db: Optional[str] = None,	catalog: Optional[str] = None,	dialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,	rules: Sequence[Callable] = (<function lower_identities at 0x7fac3cd8eef0>, <function qualify_tables at 0x7fac3cdc5630>, <function isolate_table_selects at 0x7fac3cd8edd0>, <function qualify_columns at 0x7fac3cdc4550>, <function expand_laterals at 0x7fac3cd8eb90>, <function pushdown_projections at 0x7fac3cdc5000>, <function validate_qualify_columns at 0x7fac3cdc45e0>, <function normalize at 0x7fac3cd8c9d0>, <function unnest_subqueries at 0x7fac3cdc5750>, <function expand_multi_table_selects at 0x7fac3cd8ed40>, <function pushdown_predicates at 0x7fac3cdc40d0>, <function optimize_joins at 0x7fac3cd8fc70>, <function eliminate_subqueries at 0x7fac3cd8e7a0>, <function merge_subqueries at 0x7fac3cd8f1c0>, <function eliminate_joins at 0x7fac3cd8c8b0>, <function eliminate_ctes at 0x7fac3cd8c790>, <function annotate_types at 0x7fac3cd5cdc0>, <function canonicalize at 0x7fac3cd8c1f0>, <function simplify at 0x7fac3cd8caf0>),	**kwargs):
+        optimize(	expression: str | sqlglot.expressions.Expression,	schema: Union[dict, sqlglot.schema.Schema, NoneType] = None,	db: Optional[str] = None,	catalog: Optional[str] = None,	dialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None,	rules: Sequence[Callable] = (<function lower_identities at 0x7fc498ded5a0>, <function qualify_tables at 0x7fc498defd00>, <function isolate_table_selects at 0x7fc498ded480>, <function qualify_columns at 0x7fc498deeb90>, <function pushdown_projections at 0x7fc498def6d0>, <function validate_qualify_columns at 0x7fc498def010>, <function normalize at 0x7fc498dc71c0>, <function unnest_subqueries at 0x7fc498defe20>, <function expand_multi_table_selects at 0x7fc498ded3f0>, <function pushdown_predicates at 0x7fc498dee710>, <function optimize_joins at 0x7fc498dee320>, <function eliminate_subqueries at 0x7fc498ded000>, <function merge_subqueries at 0x7fc498ded870>, <function eliminate_joins at 0x7fc498dc6f80>, <function eliminate_ctes at 0x7fc498dc6e60>, <function annotate_types at 0x7fc498d935b0>, <function canonicalize at 0x7fc498dc68c0>, <function simplify at 0x7fc498dc7370>),	**kwargs):
 
                 
 
     
    
     
-            
    52def optimize(
-53    expression: str | exp.Expression,
-54    schema: t.Optional[dict | Schema] = None,
-55    db: t.Optional[str] = None,
-56    catalog: t.Optional[str] = None,
-57    dialect: DialectType = None,
-58    rules: t.Sequence[t.Callable] = RULES,
-59    **kwargs,
-60):
-61    """
-62    Rewrite a sqlglot AST into an optimized form.
-63
-64    Args:
-65        expression: expression to optimize
-66        schema: database schema.
-67            This can either be an instance of `sqlglot.optimizer.Schema` or a mapping in one of
-68            the following forms:
-69                1. {table: {col: type}}
-70                2. {db: {table: {col: type}}}
-71                3. {catalog: {db: {table: {col: type}}}}
-72            If no schema is provided then the default schema defined at `sqlgot.schema` will be used
-73        db: specify the default database, as might be set by a `USE DATABASE db` statement
-74        catalog: specify the default catalog, as might be set by a `USE CATALOG c` statement
-75        dialect: The dialect to parse the sql string.
-76        rules: sequence of optimizer rules to use.
-77            Many of the rules require tables and columns to be qualified.
-78            Do not remove qualify_tables or qualify_columns from the sequence of rules unless you know
-79            what you're doing!
-80        **kwargs: If a rule has a keyword argument with a same name in **kwargs, it will be passed in.
-81    Returns:
-82        sqlglot.Expression: optimized expression
-83    """
-84    schema = ensure_schema(schema or sqlglot.schema, dialect=dialect)
-85    possible_kwargs = {"db": db, "catalog": catalog, "schema": schema, **kwargs}
-86    expression = exp.maybe_parse(expression, dialect=dialect, copy=True)
-87    for rule in rules:
-88        # Find any additional rule parameters, beyond `expression`
-89        rule_params = rule.__code__.co_varnames
-90        rule_kwargs = {
-91            param: possible_kwargs[param] for param in rule_params if param in possible_kwargs
-92        }
-93        expression = rule(expression, **rule_kwargs)
-94    return expression
+            
    50def optimize(
+51    expression: str | exp.Expression,
+52    schema: t.Optional[dict | Schema] = None,
+53    db: t.Optional[str] = None,
+54    catalog: t.Optional[str] = None,
+55    dialect: DialectType = None,
+56    rules: t.Sequence[t.Callable] = RULES,
+57    **kwargs,
+58):
+59    """
+60    Rewrite a sqlglot AST into an optimized form.
+61
+62    Args:
+63        expression: expression to optimize
+64        schema: database schema.
+65            This can either be an instance of `sqlglot.optimizer.Schema` or a mapping in one of
+66            the following forms:
+67                1. {table: {col: type}}
+68                2. {db: {table: {col: type}}}
+69                3. {catalog: {db: {table: {col: type}}}}
+70            If no schema is provided then the default schema defined at `sqlgot.schema` will be used
+71        db: specify the default database, as might be set by a `USE DATABASE db` statement
+72        catalog: specify the default catalog, as might be set by a `USE CATALOG c` statement
+73        dialect: The dialect to parse the sql string.
+74        rules: sequence of optimizer rules to use.
+75            Many of the rules require tables and columns to be qualified.
+76            Do not remove qualify_tables or qualify_columns from the sequence of rules unless you know
+77            what you're doing!
+78        **kwargs: If a rule has a keyword argument with a same name in **kwargs, it will be passed in.
+79    Returns:
+80        sqlglot.Expression: optimized expression
+81    """
+82    schema = ensure_schema(schema or sqlglot.schema, dialect=dialect)
+83    possible_kwargs = {"db": db, "catalog": catalog, "schema": schema, **kwargs}
+84    expression = exp.maybe_parse(expression, dialect=dialect, copy=True)
+85    for rule in rules:
+86        # Find any additional rule parameters, beyond `expression`
+87        rule_params = rule.__code__.co_varnames
+88        rule_kwargs = {
+89            param: possible_kwargs[param] for param in rule_params if param in possible_kwargs
+90        }
+91        expression = rule(expression, **rule_kwargs)
+92    return expression
 
    
 
 
diff --git a/docs/sqlglot/optimizer/qualify_columns.html b/docs/sqlglot/optimizer/qualify_columns.html
index 7b30b8d..2d257f2 100644
--- a/docs/sqlglot/optimizer/qualify_columns.html
+++ b/docs/sqlglot/optimizer/qualify_columns.html
@@ -82,525 +82,534 @@
       3
   4from sqlglot import alias, exp
   5from sqlglot.errors import OptimizeError
-  6from sqlglot.optimizer.scope import Scope, traverse_scope
-  7from sqlglot.schema import ensure_schema
-  8
+  6from sqlglot.optimizer.expand_laterals import expand_laterals as _expand_laterals
+  7from sqlglot.optimizer.scope import Scope, traverse_scope
+  8from sqlglot.schema import ensure_schema
   9
- 10def qualify_columns(expression, schema):
- 11    """
- 12    Rewrite sqlglot AST to have fully qualified columns.
- 13
- 14    Example:
- 15        >>> import sqlglot
- 16        >>> schema = {"tbl": {"col": "INT"}}
- 17        >>> expression = sqlglot.parse_one("SELECT col FROM tbl")
- 18        >>> qualify_columns(expression, schema).sql()
- 19        'SELECT tbl.col AS col FROM tbl'
- 20
- 21    Args:
- 22        expression (sqlglot.Expression): expression to qualify
- 23        schema (dict|sqlglot.optimizer.Schema): Database schema
- 24    Returns:
- 25        sqlglot.Expression: qualified expression
- 26    """
- 27    schema = ensure_schema(schema)
- 28
- 29    for scope in traverse_scope(expression):
- 30        resolver = Resolver(scope, schema)
- 31        _pop_table_column_aliases(scope.ctes)
- 32        _pop_table_column_aliases(scope.derived_tables)
- 33        using_column_tables = _expand_using(scope, resolver)
- 34        _qualify_columns(scope, resolver)
- 35        if not isinstance(scope.expression, exp.UDTF):
- 36            _expand_stars(scope, resolver, using_column_tables)
- 37            _qualify_outputs(scope)
- 38        _expand_alias_refs(scope, resolver)
- 39        _expand_group_by(scope, resolver)
- 40        _expand_order_by(scope)
- 41
- 42    return expression
- 43
- 44
- 45def validate_qualify_columns(expression):
- 46    """Raise an `OptimizeError` if any columns aren't qualified"""
- 47    unqualified_columns = []
- 48    for scope in traverse_scope(expression):
- 49        if isinstance(scope.expression, exp.Select):
- 50            unqualified_columns.extend(scope.unqualified_columns)
- 51            if scope.external_columns and not scope.is_correlated_subquery:
- 52                column = scope.external_columns[0]
- 53                raise OptimizeError(f"Unknown table: '{column.table}' for column '{column}'")
- 54
- 55    if unqualified_columns:
- 56        raise OptimizeError(f"Ambiguous columns: {unqualified_columns}")
- 57    return expression
- 58
- 59
- 60def _pop_table_column_aliases(derived_tables):
- 61    """
- 62    Remove table column aliases.
- 63
- 64    (e.g. SELECT ... FROM (SELECT ...) AS foo(col1, col2)
- 65    """
- 66    for derived_table in derived_tables:
- 67        table_alias = derived_table.args.get("alias")
- 68        if table_alias:
- 69            table_alias.args.pop("columns", None)
+ 10
+ 11def qualify_columns(expression, schema, expand_laterals=True):
+ 12    """
+ 13    Rewrite sqlglot AST to have fully qualified columns.
+ 14
+ 15    Example:
+ 16        >>> import sqlglot
+ 17        >>> schema = {"tbl": {"col": "INT"}}
+ 18        >>> expression = sqlglot.parse_one("SELECT col FROM tbl")
+ 19        >>> qualify_columns(expression, schema).sql()
+ 20        'SELECT tbl.col AS col FROM tbl'
+ 21
+ 22    Args:
+ 23        expression (sqlglot.Expression): expression to qualify
+ 24        schema (dict|sqlglot.optimizer.Schema): Database schema
+ 25    Returns:
+ 26        sqlglot.Expression: qualified expression
+ 27    """
+ 28    schema = ensure_schema(schema)
+ 29
+ 30    if not schema.mapping and expand_laterals:
+ 31        expression = _expand_laterals(expression)
+ 32
+ 33    for scope in traverse_scope(expression):
+ 34        resolver = Resolver(scope, schema)
+ 35        _pop_table_column_aliases(scope.ctes)
+ 36        _pop_table_column_aliases(scope.derived_tables)
+ 37        using_column_tables = _expand_using(scope, resolver)
+ 38        _qualify_columns(scope, resolver)
+ 39        if not isinstance(scope.expression, exp.UDTF):
+ 40            _expand_stars(scope, resolver, using_column_tables)
+ 41            _qualify_outputs(scope)
+ 42        _expand_alias_refs(scope, resolver)
+ 43        _expand_group_by(scope, resolver)
+ 44        _expand_order_by(scope)
+ 45
+ 46    if schema.mapping and expand_laterals:
+ 47        expression = _expand_laterals(expression)
+ 48
+ 49    return expression
+ 50
+ 51
+ 52def validate_qualify_columns(expression):
+ 53    """Raise an `OptimizeError` if any columns aren't qualified"""
+ 54    unqualified_columns = []
+ 55    for scope in traverse_scope(expression):
+ 56        if isinstance(scope.expression, exp.Select):
+ 57            unqualified_columns.extend(scope.unqualified_columns)
+ 58            if scope.external_columns and not scope.is_correlated_subquery:
+ 59                column = scope.external_columns[0]
+ 60                raise OptimizeError(f"Unknown table: '{column.table}' for column '{column}'")
+ 61
+ 62    if unqualified_columns:
+ 63        raise OptimizeError(f"Ambiguous columns: {unqualified_columns}")
+ 64    return expression
+ 65
+ 66
+ 67def _pop_table_column_aliases(derived_tables):
+ 68    """
+ 69    Remove table column aliases.
  70
- 71
- 72def _expand_using(scope, resolver):
- 73    joins = list(scope.find_all(exp.Join))
- 74    names = {join.this.alias for join in joins}
- 75    ordered = [key for key in scope.selected_sources if key not in names]
- 76
- 77    # Mapping of automatically joined column names to an ordered set of source names (dict).
- 78    column_tables = {}
- 79
- 80    for join in joins:
- 81        using = join.args.get("using")
- 82
- 83        if not using:
- 84            continue
- 85
- 86        join_table = join.this.alias_or_name
- 87
- 88        columns = {}
+ 71    (e.g. SELECT ... FROM (SELECT ...) AS foo(col1, col2)
+ 72    """
+ 73    for derived_table in derived_tables:
+ 74        table_alias = derived_table.args.get("alias")
+ 75        if table_alias:
+ 76            table_alias.args.pop("columns", None)
+ 77
+ 78
+ 79def _expand_using(scope, resolver):
+ 80    joins = list(scope.find_all(exp.Join))
+ 81    names = {join.this.alias for join in joins}
+ 82    ordered = [key for key in scope.selected_sources if key not in names]
+ 83
+ 84    # Mapping of automatically joined column names to an ordered set of source names (dict).
+ 85    column_tables = {}
+ 86
+ 87    for join in joins:
+ 88        using = join.args.get("using")
  89
- 90        for k in scope.selected_sources:
- 91            if k in ordered:
- 92                for column in resolver.get_source_columns(k):
- 93                    if column not in columns:
- 94                        columns[column] = k
- 95
- 96        source_table = ordered[-1]
- 97        ordered.append(join_table)
- 98        join_columns = resolver.get_source_columns(join_table)
- 99        conditions = []
-100
-101        for identifier in using:
-102            identifier = identifier.name
-103            table = columns.get(identifier)
-104
-105            if not table or identifier not in join_columns:
-106                if columns and join_columns:
-107                    raise OptimizeError(f"Cannot automatically join: {identifier}")
-108
-109            table = table or source_table
-110            conditions.append(
-111                exp.condition(
-112                    exp.EQ(
-113                        this=exp.column(identifier, table=table),
-114                        expression=exp.column(identifier, table=join_table),
-115                    )
-116                )
-117            )
-118
-119            # Set all values in the dict to None, because we only care about the key ordering
-120            tables = column_tables.setdefault(identifier, {})
-121            if table not in tables:
-122                tables[table] = None
-123            if join_table not in tables:
-124                tables[join_table] = None
+ 90        if not using:
+ 91            continue
+ 92
+ 93        join_table = join.this.alias_or_name
+ 94
+ 95        columns = {}
+ 96
+ 97        for k in scope.selected_sources:
+ 98            if k in ordered:
+ 99                for column in resolver.get_source_columns(k):
+100                    if column not in columns:
+101                        columns[column] = k
+102
+103        source_table = ordered[-1]
+104        ordered.append(join_table)
+105        join_columns = resolver.get_source_columns(join_table)
+106        conditions = []
+107
+108        for identifier in using:
+109            identifier = identifier.name
+110            table = columns.get(identifier)
+111
+112            if not table or identifier not in join_columns:
+113                if columns and join_columns:
+114                    raise OptimizeError(f"Cannot automatically join: {identifier}")
+115
+116            table = table or source_table
+117            conditions.append(
+118                exp.condition(
+119                    exp.EQ(
+120                        this=exp.column(identifier, table=table),
+121                        expression=exp.column(identifier, table=join_table),
+122                    )
+123                )
+124            )
 125
-126        join.args.pop("using")
-127        join.set("on", exp.and_(*conditions))
-128
-129    if column_tables:
-130        for column in scope.columns:
-131            if not column.table and column.name in column_tables:
-132                tables = column_tables[column.name]
-133                coalesce = [exp.column(column.name, table=table) for table in tables]
-134                replacement = exp.Coalesce(this=coalesce[0], expressions=coalesce[1:])
+126            # Set all values in the dict to None, because we only care about the key ordering
+127            tables = column_tables.setdefault(identifier, {})
+128            if table not in tables:
+129                tables[table] = None
+130            if join_table not in tables:
+131                tables[join_table] = None
+132
+133        join.args.pop("using")
+134        join.set("on", exp.and_(*conditions, copy=False))
 135
-136                # Ensure selects keep their output name
-137                if isinstance(column.parent, exp.Select):
-138                    replacement = exp.alias_(replacement, alias=column.name)
-139
-140                scope.replace(column, replacement)
-141
-142    return column_tables
-143
-144
-145def _expand_alias_refs(scope, resolver):
-146    selects = {}
-147
-148    # Replace references to select aliases
-149    def transform(node, source_first=True):
-150        if isinstance(node, exp.Column) and not node.table:
-151            table = resolver.get_table(node.name)
-152
-153            # Source columns get priority over select aliases
-154            if source_first and table:
-155                node.set("table", table)
-156                return node
-157
-158            if not selects:
-159                for s in scope.selects:
-160                    selects[s.alias_or_name] = s
-161            select = selects.get(node.name)
-162
-163            if select:
-164                scope.clear_cache()
-165                if isinstance(select, exp.Alias):
-166                    select = select.this
-167                return select.copy()
-168
-169            node.set("table", table)
-170        elif isinstance(node, exp.Expression) and not isinstance(node, exp.Subqueryable):
-171            exp.replace_children(node, transform, source_first)
-172
-173        return node
-174
-175    for select in scope.expression.selects:
-176        transform(select)
-177
-178    for modifier, source_first in (
-179        ("where", True),
-180        ("group", True),
-181        ("having", False),
-182    ):
-183        transform(scope.expression.args.get(modifier), source_first=source_first)
+136    if column_tables:
+137        for column in scope.columns:
+138            if not column.table and column.name in column_tables:
+139                tables = column_tables[column.name]
+140                coalesce = [exp.column(column.name, table=table) for table in tables]
+141                replacement = exp.Coalesce(this=coalesce[0], expressions=coalesce[1:])
+142
+143                # Ensure selects keep their output name
+144                if isinstance(column.parent, exp.Select):
+145                    replacement = exp.alias_(replacement, alias=column.name)
+146
+147                scope.replace(column, replacement)
+148
+149    return column_tables
+150
+151
+152def _expand_alias_refs(scope, resolver):
+153    selects = {}
+154
+155    # Replace references to select aliases
+156    def transform(node, source_first=True):
+157        if isinstance(node, exp.Column) and not node.table:
+158            table = resolver.get_table(node.name)
+159
+160            # Source columns get priority over select aliases
+161            if source_first and table:
+162                node.set("table", table)
+163                return node
+164
+165            if not selects:
+166                for s in scope.selects:
+167                    selects[s.alias_or_name] = s
+168            select = selects.get(node.name)
+169
+170            if select:
+171                scope.clear_cache()
+172                if isinstance(select, exp.Alias):
+173                    select = select.this
+174                return select.copy()
+175
+176            node.set("table", table)
+177        elif isinstance(node, exp.Expression) and not isinstance(node, exp.Subqueryable):
+178            exp.replace_children(node, transform, source_first)
+179
+180        return node
+181
+182    for select in scope.expression.selects:
+183        transform(select)
 184
-185
-186def _expand_group_by(scope, resolver):
-187    group = scope.expression.args.get("group")
-188    if not group:
-189        return
-190
-191    group.set("expressions", _expand_positional_references(scope, group.expressions))
-192    scope.expression.set("group", group)
-193
-194
-195def _expand_order_by(scope):
-196    order = scope.expression.args.get("order")
-197    if not order:
-198        return
-199
-200    ordereds = order.expressions
-201    for ordered, new_expression in zip(
-202        ordereds,
-203        _expand_positional_references(scope, (o.this for o in ordereds)),
-204    ):
-205        ordered.set("this", new_expression)
+185    for modifier, source_first in (
+186        ("where", True),
+187        ("group", True),
+188        ("having", False),
+189    ):
+190        transform(scope.expression.args.get(modifier), source_first=source_first)
+191
+192
+193def _expand_group_by(scope, resolver):
+194    group = scope.expression.args.get("group")
+195    if not group:
+196        return
+197
+198    group.set("expressions", _expand_positional_references(scope, group.expressions))
+199    scope.expression.set("group", group)
+200
+201
+202def _expand_order_by(scope):
+203    order = scope.expression.args.get("order")
+204    if not order:
+205        return
 206
-207
-208def _expand_positional_references(scope, expressions):
-209    new_nodes = []
-210    for node in expressions:
-211        if node.is_int:
-212            try:
-213                select = scope.selects[int(node.name) - 1]
-214            except IndexError:
-215                raise OptimizeError(f"Unknown output column: {node.name}")
-216            if isinstance(select, exp.Alias):
-217                select = select.this
-218            new_nodes.append(select.copy())
-219            scope.clear_cache()
-220        else:
-221            new_nodes.append(node)
-222
-223    return new_nodes
-224
-225
-226def _qualify_columns(scope, resolver):
-227    """Disambiguate columns, ensuring each column specifies a source"""
-228    for column in scope.columns:
-229        column_table = column.table
-230        column_name = column.name
+207    ordereds = order.expressions
+208    for ordered, new_expression in zip(
+209        ordereds,
+210        _expand_positional_references(scope, (o.this for o in ordereds)),
+211    ):
+212        ordered.set("this", new_expression)
+213
+214
+215def _expand_positional_references(scope, expressions):
+216    new_nodes = []
+217    for node in expressions:
+218        if node.is_int:
+219            try:
+220                select = scope.selects[int(node.name) - 1]
+221            except IndexError:
+222                raise OptimizeError(f"Unknown output column: {node.name}")
+223            if isinstance(select, exp.Alias):
+224                select = select.this
+225            new_nodes.append(select.copy())
+226            scope.clear_cache()
+227        else:
+228            new_nodes.append(node)
+229
+230    return new_nodes
 231
-232        if column_table and column_table in scope.sources:
-233            source_columns = resolver.get_source_columns(column_table)
-234            if source_columns and column_name not in source_columns and "*" not in source_columns:
-235                raise OptimizeError(f"Unknown column: {column_name}")
-236
-237        if not column_table:
-238            column_table = resolver.get_table(column_name)
-239
-240            # column_table can be a '' because bigquery unnest has no table alias
-241            if column_table:
-242                column.set("table", column_table)
-243        elif column_table not in scope.sources:
-244            # structs are used like tables (e.g. "struct"."field"), so they need to be qualified
-245            # separately and represented as dot(dot(...(<table>.<column>, field1), field2, ...))
+232
+233def _qualify_columns(scope, resolver):
+234    """Disambiguate columns, ensuring each column specifies a source"""
+235    for column in scope.columns:
+236        column_table = column.table
+237        column_name = column.name
+238
+239        if column_table and column_table in scope.sources:
+240            source_columns = resolver.get_source_columns(column_table)
+241            if source_columns and column_name not in source_columns and "*" not in source_columns:
+242                raise OptimizeError(f"Unknown column: {column_name}")
+243
+244        if not column_table:
+245            column_table = resolver.get_table(column_name)
 246
-247            root, *parts = column.parts
-248
-249            if root.name in scope.sources:
-250                # struct is already qualified, but we still need to change the AST representation
-251                column_table = root
-252                root, *parts = parts
-253            else:
-254                column_table = resolver.get_table(root.name)
+247            # column_table can be a '' because bigquery unnest has no table alias
+248            if column_table:
+249                column.set("table", column_table)
+250        elif column_table not in scope.sources and (
+251            not scope.parent or column_table not in scope.parent.sources
+252        ):
+253            # structs are used like tables (e.g. "struct"."field"), so they need to be qualified
+254            # separately and represented as dot(dot(...(<table>.<column>, field1), field2, ...))
 255
-256            if column_table:
-257                column.replace(exp.Dot.build([exp.column(root, table=column_table), *parts]))
-258
-259    columns_missing_from_scope = []
-260
-261    # Determine whether each reference in the order by clause is to a column or an alias.
-262    order = scope.expression.args.get("order")
-263
-264    if order:
-265        for ordered in order.expressions:
-266            for column in ordered.find_all(exp.Column):
-267                if (
-268                    not column.table
-269                    and column.parent is not ordered
-270                    and column.name in resolver.all_columns
-271                ):
-272                    columns_missing_from_scope.append(column)
-273
-274    # Determine whether each reference in the having clause is to a column or an alias.
-275    having = scope.expression.args.get("having")
-276
-277    if having:
-278        for column in having.find_all(exp.Column):
-279            if (
-280                not column.table
-281                and column.find_ancestor(exp.AggFunc)
-282                and column.name in resolver.all_columns
-283            ):
-284                columns_missing_from_scope.append(column)
+256            root, *parts = column.parts
+257
+258            if root.name in scope.sources:
+259                # struct is already qualified, but we still need to change the AST representation
+260                column_table = root
+261                root, *parts = parts
+262            else:
+263                column_table = resolver.get_table(root.name)
+264
+265            if column_table:
+266                column.replace(exp.Dot.build([exp.column(root, table=column_table), *parts]))
+267
+268    columns_missing_from_scope = []
+269
+270    # Determine whether each reference in the order by clause is to a column or an alias.
+271    order = scope.expression.args.get("order")
+272
+273    if order:
+274        for ordered in order.expressions:
+275            for column in ordered.find_all(exp.Column):
+276                if (
+277                    not column.table
+278                    and column.parent is not ordered
+279                    and column.name in resolver.all_columns
+280                ):
+281                    columns_missing_from_scope.append(column)
+282
+283    # Determine whether each reference in the having clause is to a column or an alias.
+284    having = scope.expression.args.get("having")
 285
-286    for column in columns_missing_from_scope:
-287        column_table = resolver.get_table(column.name)
-288
-289        if column_table:
-290            column.set("table", column_table)
-291
-292
-293def _expand_stars(scope, resolver, using_column_tables):
-294    """Expand stars to lists of column selections"""
-295
-296    new_selections = []
-297    except_columns = {}
-298    replace_columns = {}
-299    coalesced_columns = set()
+286    if having:
+287        for column in having.find_all(exp.Column):
+288            if (
+289                not column.table
+290                and column.find_ancestor(exp.AggFunc)
+291                and column.name in resolver.all_columns
+292            ):
+293                columns_missing_from_scope.append(column)
+294
+295    for column in columns_missing_from_scope:
+296        column_table = resolver.get_table(column.name)
+297
+298        if column_table:
+299            column.set("table", column_table)
 300
-301    for expression in scope.selects:
-302        if isinstance(expression, exp.Star):
-303            tables = list(scope.selected_sources)
-304            _add_except_columns(expression, tables, except_columns)
-305            _add_replace_columns(expression, tables, replace_columns)
-306        elif expression.is_star:
-307            tables = [expression.table]
-308            _add_except_columns(expression.this, tables, except_columns)
-309            _add_replace_columns(expression.this, tables, replace_columns)
-310        else:
-311            new_selections.append(expression)
-312            continue
-313
-314        for table in tables:
-315            if table not in scope.sources:
-316                raise OptimizeError(f"Unknown table: {table}")
-317            columns = resolver.get_source_columns(table, only_visible=True)
-318
-319            if columns and "*" not in columns:
-320                table_id = id(table)
-321                for name in columns:
-322                    if name in using_column_tables and table in using_column_tables[name]:
-323                        if name in coalesced_columns:
-324                            continue
-325
-326                        coalesced_columns.add(name)
-327                        tables = using_column_tables[name]
-328                        coalesce = [exp.column(name, table=table) for table in tables]
-329
-330                        new_selections.append(
-331                            exp.alias_(
-332                                exp.Coalesce(this=coalesce[0], expressions=coalesce[1:]), alias=name
-333                            )
-334                        )
-335                    elif name not in except_columns.get(table_id, set()):
-336                        alias_ = replace_columns.get(table_id, {}).get(name, name)
-337                        column = exp.column(name, table)
-338                        new_selections.append(alias(column, alias_) if alias_ != name else column)
-339            else:
-340                return
-341    scope.expression.set("expressions", new_selections)
-342
-343
-344def _add_except_columns(expression, tables, except_columns):
-345    except_ = expression.args.get("except")
-346
-347    if not except_:
-348        return
-349
-350    columns = {e.name for e in except_}
+301
+302def _expand_stars(scope, resolver, using_column_tables):
+303    """Expand stars to lists of column selections"""
+304
+305    new_selections = []
+306    except_columns = {}
+307    replace_columns = {}
+308    coalesced_columns = set()
+309
+310    for expression in scope.selects:
+311        if isinstance(expression, exp.Star):
+312            tables = list(scope.selected_sources)
+313            _add_except_columns(expression, tables, except_columns)
+314            _add_replace_columns(expression, tables, replace_columns)
+315        elif expression.is_star:
+316            tables = [expression.table]
+317            _add_except_columns(expression.this, tables, except_columns)
+318            _add_replace_columns(expression.this, tables, replace_columns)
+319        else:
+320            new_selections.append(expression)
+321            continue
+322
+323        for table in tables:
+324            if table not in scope.sources:
+325                raise OptimizeError(f"Unknown table: {table}")
+326            columns = resolver.get_source_columns(table, only_visible=True)
+327
+328            if columns and "*" not in columns:
+329                table_id = id(table)
+330                for name in columns:
+331                    if name in using_column_tables and table in using_column_tables[name]:
+332                        if name in coalesced_columns:
+333                            continue
+334
+335                        coalesced_columns.add(name)
+336                        tables = using_column_tables[name]
+337                        coalesce = [exp.column(name, table=table) for table in tables]
+338
+339                        new_selections.append(
+340                            exp.alias_(
+341                                exp.Coalesce(this=coalesce[0], expressions=coalesce[1:]), alias=name
+342                            )
+343                        )
+344                    elif name not in except_columns.get(table_id, set()):
+345                        alias_ = replace_columns.get(table_id, {}).get(name, name)
+346                        column = exp.column(name, table)
+347                        new_selections.append(alias(column, alias_) if alias_ != name else column)
+348            else:
+349                return
+350    scope.expression.set("expressions", new_selections)
 351
-352    for table in tables:
-353        except_columns[id(table)] = columns
-354
+352
+353def _add_except_columns(expression, tables, except_columns):
+354    except_ = expression.args.get("except")
 355
-356def _add_replace_columns(expression, tables, replace_columns):
-357    replace = expression.args.get("replace")
+356    if not except_:
+357        return
 358
-359    if not replace:
-360        return
-361
-362    columns = {e.this.name: e.alias for e in replace}
+359    columns = {e.name for e in except_}
+360
+361    for table in tables:
+362        except_columns[id(table)] = columns
 363
-364    for table in tables:
-365        replace_columns[id(table)] = columns
-366
+364
+365def _add_replace_columns(expression, tables, replace_columns):
+366    replace = expression.args.get("replace")
 367
-368def _qualify_outputs(scope):
-369    """Ensure all output columns are aliased"""
-370    new_selections = []
-371
-372    for i, (selection, aliased_column) in enumerate(
-373        itertools.zip_longest(scope.selects, scope.outer_column_list)
-374    ):
-375        if isinstance(selection, exp.Subquery):
-376            if not selection.output_name:
-377                selection.set("alias", exp.TableAlias(this=exp.to_identifier(f"_col_{i}")))
-378        elif not isinstance(selection, exp.Alias) and not selection.is_star:
-379            alias_ = alias(exp.column(""), alias=selection.output_name or f"_col_{i}")
-380            alias_.set("this", selection)
-381            selection = alias_
-382
-383        if aliased_column:
-384            selection.set("alias", exp.to_identifier(aliased_column))
-385
-386        new_selections.append(selection)
-387
-388    scope.expression.set("expressions", new_selections)
-389
-390
-391class Resolver:
-392    """
-393    Helper for resolving columns.
+368    if not replace:
+369        return
+370
+371    columns = {e.this.name: e.alias for e in replace}
+372
+373    for table in tables:
+374        replace_columns[id(table)] = columns
+375
+376
+377def _qualify_outputs(scope):
+378    """Ensure all output columns are aliased"""
+379    new_selections = []
+380
+381    for i, (selection, aliased_column) in enumerate(
+382        itertools.zip_longest(scope.selects, scope.outer_column_list)
+383    ):
+384        if isinstance(selection, exp.Subquery):
+385            if not selection.output_name:
+386                selection.set("alias", exp.TableAlias(this=exp.to_identifier(f"_col_{i}")))
+387        elif not isinstance(selection, exp.Alias) and not selection.is_star:
+388            alias_ = alias(exp.column(""), alias=selection.output_name or f"_col_{i}")
+389            alias_.set("this", selection)
+390            selection = alias_
+391
+392        if aliased_column:
+393            selection.set("alias", exp.to_identifier(aliased_column))
 394
-395    This is a class so we can lazily load some things and easily share them across functions.
-396    """
-397
-398    def __init__(self, scope, schema):
-399        self.scope = scope
-400        self.schema = schema
-401        self._source_columns = None
-402        self._unambiguous_columns = None
-403        self._all_columns = None
-404
-405    def get_table(self, column_name: str) -> t.Optional[exp.Identifier]:
-406        """
-407        Get the table for a column name.
-408
-409        Args:
-410            column_name: The column name to find the table for.
-411        Returns:
-412            The table name if it can be found/inferred.
-413        """
-414        if self._unambiguous_columns is None:
-415            self._unambiguous_columns = self._get_unambiguous_columns(
-416                self._get_all_source_columns()
-417            )
-418
-419        table_name = self._unambiguous_columns.get(column_name)
-420
-421        if not table_name:
-422            sources_without_schema = tuple(
-423                source
-424                for source, columns in self._get_all_source_columns().items()
-425                if not columns or "*" in columns
+395        new_selections.append(selection)
+396
+397    scope.expression.set("expressions", new_selections)
+398
+399
+400class Resolver:
+401    """
+402    Helper for resolving columns.
+403
+404    This is a class so we can lazily load some things and easily share them across functions.
+405    """
+406
+407    def __init__(self, scope, schema):
+408        self.scope = scope
+409        self.schema = schema
+410        self._source_columns = None
+411        self._unambiguous_columns = None
+412        self._all_columns = None
+413
+414    def get_table(self, column_name: str) -> t.Optional[exp.Identifier]:
+415        """
+416        Get the table for a column name.
+417
+418        Args:
+419            column_name: The column name to find the table for.
+420        Returns:
+421            The table name if it can be found/inferred.
+422        """
+423        if self._unambiguous_columns is None:
+424            self._unambiguous_columns = self._get_unambiguous_columns(
+425                self._get_all_source_columns()
 426            )
-427            if len(sources_without_schema) == 1:
-428                table_name = sources_without_schema[0]
+427
+428        table_name = self._unambiguous_columns.get(column_name)
 429
-430        if table_name not in self.scope.selected_sources:
-431            return exp.to_identifier(table_name)
-432
-433        node, _ = self.scope.selected_sources.get(table_name)
-434
-435        if isinstance(node, exp.Subqueryable):
-436            while node and node.alias != table_name:
-437                node = node.parent
+430        if not table_name:
+431            sources_without_schema = tuple(
+432                source
+433                for source, columns in self._get_all_source_columns().items()
+434                if not columns or "*" in columns
+435            )
+436            if len(sources_without_schema) == 1:
+437                table_name = sources_without_schema[0]
 438
-439        node_alias = node.args.get("alias")
-440        if node_alias:
-441            return node_alias.this
-442
-443        return exp.to_identifier(
-444            table_name, quoted=node.this.quoted if isinstance(node, exp.Table) else None
-445        )
-446
-447    @property
-448    def all_columns(self):
-449        """All available columns of all sources in this scope"""
-450        if self._all_columns is None:
-451            self._all_columns = {
-452                column for columns in self._get_all_source_columns().values() for column in columns
-453            }
-454        return self._all_columns
+439        if table_name not in self.scope.selected_sources:
+440            return exp.to_identifier(table_name)
+441
+442        node, _ = self.scope.selected_sources.get(table_name)
+443
+444        if isinstance(node, exp.Subqueryable):
+445            while node and node.alias != table_name:
+446                node = node.parent
+447
+448        node_alias = node.args.get("alias")
+449        if node_alias:
+450            return node_alias.this
+451
+452        return exp.to_identifier(
+453            table_name, quoted=node.this.quoted if isinstance(node, exp.Table) else None
+454        )
 455
-456    def get_source_columns(self, name, only_visible=False):
-457        """Resolve the source columns for a given source `name`"""
-458        if name not in self.scope.sources:
-459            raise OptimizeError(f"Unknown table: {name}")
-460
-461        source = self.scope.sources[name]
-462
-463        # If referencing a table, return the columns from the schema
-464        if isinstance(source, exp.Table):
-465            return self.schema.column_names(source, only_visible)
-466
-467        if isinstance(source, Scope) and isinstance(source.expression, exp.Values):
-468            return source.expression.alias_column_names
+456    @property
+457    def all_columns(self):
+458        """All available columns of all sources in this scope"""
+459        if self._all_columns is None:
+460            self._all_columns = {
+461                column for columns in self._get_all_source_columns().values() for column in columns
+462            }
+463        return self._all_columns
+464
+465    def get_source_columns(self, name, only_visible=False):
+466        """Resolve the source columns for a given source `name`"""
+467        if name not in self.scope.sources:
+468            raise OptimizeError(f"Unknown table: {name}")
 469
-470        # Otherwise, if referencing another scope, return that scope's named selects
-471        return source.expression.named_selects
-472
-473    def _get_all_source_columns(self):
-474        if self._source_columns is None:
-475            self._source_columns = {
-476                k: self.get_source_columns(k)
-477                for k in itertools.chain(self.scope.selected_sources, self.scope.lateral_sources)
-478            }
-479        return self._source_columns
-480
-481    def _get_unambiguous_columns(self, source_columns):
-482        """
-483        Find all the unambiguous columns in sources.
-484
-485        Args:
-486            source_columns (dict): Mapping of names to source columns
-487        Returns:
-488            dict: Mapping of column name to source name
-489        """
-490        if not source_columns:
-491            return {}
-492
-493        source_columns = list(source_columns.items())
-494
-495        first_table, first_columns = source_columns[0]
-496        unambiguous_columns = {col: first_table for col in self._find_unique_columns(first_columns)}
-497        all_columns = set(unambiguous_columns)
-498
-499        for table, columns in source_columns[1:]:
-500            unique = self._find_unique_columns(columns)
-501            ambiguous = set(all_columns).intersection(unique)
-502            all_columns.update(columns)
-503            for column in ambiguous:
-504                unambiguous_columns.pop(column, None)
-505            for column in unique.difference(ambiguous):
-506                unambiguous_columns[column] = table
+470        source = self.scope.sources[name]
+471
+472        # If referencing a table, return the columns from the schema
+473        if isinstance(source, exp.Table):
+474            return self.schema.column_names(source, only_visible)
+475
+476        if isinstance(source, Scope) and isinstance(source.expression, exp.Values):
+477            return source.expression.alias_column_names
+478
+479        # Otherwise, if referencing another scope, return that scope's named selects
+480        return source.expression.named_selects
+481
+482    def _get_all_source_columns(self):
+483        if self._source_columns is None:
+484            self._source_columns = {
+485                k: self.get_source_columns(k)
+486                for k in itertools.chain(self.scope.selected_sources, self.scope.lateral_sources)
+487            }
+488        return self._source_columns
+489
+490    def _get_unambiguous_columns(self, source_columns):
+491        """
+492        Find all the unambiguous columns in sources.
+493
+494        Args:
+495            source_columns (dict): Mapping of names to source columns
+496        Returns:
+497            dict: Mapping of column name to source name
+498        """
+499        if not source_columns:
+500            return {}
+501
+502        source_columns = list(source_columns.items())
+503
+504        first_table, first_columns = source_columns[0]
+505        unambiguous_columns = {col: first_table for col in self._find_unique_columns(first_columns)}
+506        all_columns = set(unambiguous_columns)
 507
-508        return unambiguous_columns
-509
-510    @staticmethod
-511    def _find_unique_columns(columns):
-512        """
-513        Find the unique columns in a list of columns.
-514
-515        Example:
-516            >>> sorted(Resolver._find_unique_columns(["a", "b", "b", "c"]))
-517            ['a', 'c']
+508        for table, columns in source_columns[1:]:
+509            unique = self._find_unique_columns(columns)
+510            ambiguous = set(all_columns).intersection(unique)
+511            all_columns.update(columns)
+512            for column in ambiguous:
+513                unambiguous_columns.pop(column, None)
+514            for column in unique.difference(ambiguous):
+515                unambiguous_columns[column] = table
+516
+517        return unambiguous_columns
 518
-519        This is necessary because duplicate column names are ambiguous.
-520        """
-521        counts = {}
-522        for column in columns:
-523            counts[column] = counts.get(column, 0) + 1
-524        return {column for column, count in counts.items() if count == 1}
+519    @staticmethod
+520    def _find_unique_columns(columns):
+521        """
+522        Find the unique columns in a list of columns.
+523
+524        Example:
+525            >>> sorted(Resolver._find_unique_columns(["a", "b", "b", "c"]))
+526            ['a', 'c']
+527
+528        This is necessary because duplicate column names are ambiguous.
+529        """
+530        counts = {}
+531        for column in columns:
+532            counts[column] = counts.get(column, 0) + 1
+533        return {column for column, count in counts.items() if count == 1}
 
    
 
 
@@ -610,45 +619,51 @@
 
    
             
         def
-        qualify_columns(expression, schema):
+        qualify_columns(expression, schema, expand_laterals=True):
 
                 
 
     
    
     
-            
    11def qualify_columns(expression, schema):
-12    """
-13    Rewrite sqlglot AST to have fully qualified columns.
-14
-15    Example:
-16        >>> import sqlglot
-17        >>> schema = {"tbl": {"col": "INT"}}
-18        >>> expression = sqlglot.parse_one("SELECT col FROM tbl")
-19        >>> qualify_columns(expression, schema).sql()
-20        'SELECT tbl.col AS col FROM tbl'
-21
-22    Args:
-23        expression (sqlglot.Expression): expression to qualify
-24        schema (dict|sqlglot.optimizer.Schema): Database schema
-25    Returns:
-26        sqlglot.Expression: qualified expression
-27    """
-28    schema = ensure_schema(schema)
-29
-30    for scope in traverse_scope(expression):
-31        resolver = Resolver(scope, schema)
-32        _pop_table_column_aliases(scope.ctes)
-33        _pop_table_column_aliases(scope.derived_tables)
-34        using_column_tables = _expand_using(scope, resolver)
-35        _qualify_columns(scope, resolver)
-36        if not isinstance(scope.expression, exp.UDTF):
-37            _expand_stars(scope, resolver, using_column_tables)
-38            _qualify_outputs(scope)
-39        _expand_alias_refs(scope, resolver)
-40        _expand_group_by(scope, resolver)
-41        _expand_order_by(scope)
-42
-43    return expression
+            
    12def qualify_columns(expression, schema, expand_laterals=True):
+13    """
+14    Rewrite sqlglot AST to have fully qualified columns.
+15
+16    Example:
+17        >>> import sqlglot
+18        >>> schema = {"tbl": {"col": "INT"}}
+19        >>> expression = sqlglot.parse_one("SELECT col FROM tbl")
+20        >>> qualify_columns(expression, schema).sql()
+21        'SELECT tbl.col AS col FROM tbl'
+22
+23    Args:
+24        expression (sqlglot.Expression): expression to qualify
+25        schema (dict|sqlglot.optimizer.Schema): Database schema
+26    Returns:
+27        sqlglot.Expression: qualified expression
+28    """
+29    schema = ensure_schema(schema)
+30
+31    if not schema.mapping and expand_laterals:
+32        expression = _expand_laterals(expression)
+33
+34    for scope in traverse_scope(expression):
+35        resolver = Resolver(scope, schema)
+36        _pop_table_column_aliases(scope.ctes)
+37        _pop_table_column_aliases(scope.derived_tables)
+38        using_column_tables = _expand_using(scope, resolver)
+39        _qualify_columns(scope, resolver)
+40        if not isinstance(scope.expression, exp.UDTF):
+41            _expand_stars(scope, resolver, using_column_tables)
+42            _qualify_outputs(scope)
+43        _expand_alias_refs(scope, resolver)
+44        _expand_group_by(scope, resolver)
+45        _expand_order_by(scope)
+46
+47    if schema.mapping and expand_laterals:
+48        expression = _expand_laterals(expression)
+49
+50    return expression
 
    
 
 
@@ -694,19 +709,19 @@
 
     
    
     
-            
    46def validate_qualify_columns(expression):
-47    """Raise an `OptimizeError` if any columns aren't qualified"""
-48    unqualified_columns = []
-49    for scope in traverse_scope(expression):
-50        if isinstance(scope.expression, exp.Select):
-51            unqualified_columns.extend(scope.unqualified_columns)
-52            if scope.external_columns and not scope.is_correlated_subquery:
-53                column = scope.external_columns[0]
-54                raise OptimizeError(f"Unknown table: '{column.table}' for column '{column}'")
-55
-56    if unqualified_columns:
-57        raise OptimizeError(f"Ambiguous columns: {unqualified_columns}")
-58    return expression
+            
    53def validate_qualify_columns(expression):
+54    """Raise an `OptimizeError` if any columns aren't qualified"""
+55    unqualified_columns = []
+56    for scope in traverse_scope(expression):
+57        if isinstance(scope.expression, exp.Select):
+58            unqualified_columns.extend(scope.unqualified_columns)
+59            if scope.external_columns and not scope.is_correlated_subquery:
+60                column = scope.external_columns[0]
+61                raise OptimizeError(f"Unknown table: '{column.table}' for column '{column}'")
+62
+63    if unqualified_columns:
+64        raise OptimizeError(f"Ambiguous columns: {unqualified_columns}")
+65    return expression
 
    
 
 
@@ -726,140 +741,140 @@
 
     
    
     
-            
    392class Resolver:
-393    """
-394    Helper for resolving columns.
-395
-396    This is a class so we can lazily load some things and easily share them across functions.
-397    """
-398
-399    def __init__(self, scope, schema):
-400        self.scope = scope
-401        self.schema = schema
-402        self._source_columns = None
-403        self._unambiguous_columns = None
-404        self._all_columns = None
-405
-406    def get_table(self, column_name: str) -> t.Optional[exp.Identifier]:
-407        """
-408        Get the table for a column name.
-409
-410        Args:
-411            column_name: The column name to find the table for.
-412        Returns:
-413            The table name if it can be found/inferred.
-414        """
-415        if self._unambiguous_columns is None:
-416            self._unambiguous_columns = self._get_unambiguous_columns(
-417                self._get_all_source_columns()
-418            )
-419
-420        table_name = self._unambiguous_columns.get(column_name)
-421
-422        if not table_name:
-423            sources_without_schema = tuple(
-424                source
-425                for source, columns in self._get_all_source_columns().items()
-426                if not columns or "*" in columns
+            
    401class Resolver:
+402    """
+403    Helper for resolving columns.
+404
+405    This is a class so we can lazily load some things and easily share them across functions.
+406    """
+407
+408    def __init__(self, scope, schema):
+409        self.scope = scope
+410        self.schema = schema
+411        self._source_columns = None
+412        self._unambiguous_columns = None
+413        self._all_columns = None
+414
+415    def get_table(self, column_name: str) -> t.Optional[exp.Identifier]:
+416        """
+417        Get the table for a column name.
+418
+419        Args:
+420            column_name: The column name to find the table for.
+421        Returns:
+422            The table name if it can be found/inferred.
+423        """
+424        if self._unambiguous_columns is None:
+425            self._unambiguous_columns = self._get_unambiguous_columns(
+426                self._get_all_source_columns()
 427            )
-428            if len(sources_without_schema) == 1:
-429                table_name = sources_without_schema[0]
+428
+429        table_name = self._unambiguous_columns.get(column_name)
 430
-431        if table_name not in self.scope.selected_sources:
-432            return exp.to_identifier(table_name)
-433
-434        node, _ = self.scope.selected_sources.get(table_name)
-435
-436        if isinstance(node, exp.Subqueryable):
-437            while node and node.alias != table_name:
-438                node = node.parent
+431        if not table_name:
+432            sources_without_schema = tuple(
+433                source
+434                for source, columns in self._get_all_source_columns().items()
+435                if not columns or "*" in columns
+436            )
+437            if len(sources_without_schema) == 1:
+438                table_name = sources_without_schema[0]
 439
-440        node_alias = node.args.get("alias")
-441        if node_alias:
-442            return node_alias.this
-443
-444        return exp.to_identifier(
-445            table_name, quoted=node.this.quoted if isinstance(node, exp.Table) else None
-446        )
-447
-448    @property
-449    def all_columns(self):
-450        """All available columns of all sources in this scope"""
-451        if self._all_columns is None:
-452            self._all_columns = {
-453                column for columns in self._get_all_source_columns().values() for column in columns
-454            }
-455        return self._all_columns
+440        if table_name not in self.scope.selected_sources:
+441            return exp.to_identifier(table_name)
+442
+443        node, _ = self.scope.selected_sources.get(table_name)
+444
+445        if isinstance(node, exp.Subqueryable):
+446            while node and node.alias != table_name:
+447                node = node.parent
+448
+449        node_alias = node.args.get("alias")
+450        if node_alias:
+451            return node_alias.this
+452
+453        return exp.to_identifier(
+454            table_name, quoted=node.this.quoted if isinstance(node, exp.Table) else None
+455        )
 456
-457    def get_source_columns(self, name, only_visible=False):
-458        """Resolve the source columns for a given source `name`"""
-459        if name not in self.scope.sources:
-460            raise OptimizeError(f"Unknown table: {name}")
-461
-462        source = self.scope.sources[name]
-463
-464        # If referencing a table, return the columns from the schema
-465        if isinstance(source, exp.Table):
-466            return self.schema.column_names(source, only_visible)
-467
-468        if isinstance(source, Scope) and isinstance(source.expression, exp.Values):
-469            return source.expression.alias_column_names
+457    @property
+458    def all_columns(self):
+459        """All available columns of all sources in this scope"""
+460        if self._all_columns is None:
+461            self._all_columns = {
+462                column for columns in self._get_all_source_columns().values() for column in columns
+463            }
+464        return self._all_columns
+465
+466    def get_source_columns(self, name, only_visible=False):
+467        """Resolve the source columns for a given source `name`"""
+468        if name not in self.scope.sources:
+469            raise OptimizeError(f"Unknown table: {name}")
 470
-471        # Otherwise, if referencing another scope, return that scope's named selects
-472        return source.expression.named_selects
-473
-474    def _get_all_source_columns(self):
-475        if self._source_columns is None:
-476            self._source_columns = {
-477                k: self.get_source_columns(k)
-478                for k in itertools.chain(self.scope.selected_sources, self.scope.lateral_sources)
-479            }
-480        return self._source_columns
-481
-482    def _get_unambiguous_columns(self, source_columns):
-483        """
-484        Find all the unambiguous columns in sources.
-485
-486        Args:
-487            source_columns (dict): Mapping of names to source columns
-488        Returns:
-489            dict: Mapping of column name to source name
-490        """
-491        if not source_columns:
-492            return {}
-493
-494        source_columns = list(source_columns.items())
-495
-496        first_table, first_columns = source_columns[0]
-497        unambiguous_columns = {col: first_table for col in self._find_unique_columns(first_columns)}
-498        all_columns = set(unambiguous_columns)
-499
-500        for table, columns in source_columns[1:]:
-501            unique = self._find_unique_columns(columns)
-502            ambiguous = set(all_columns).intersection(unique)
-503            all_columns.update(columns)
-504            for column in ambiguous:
-505                unambiguous_columns.pop(column, None)
-506            for column in unique.difference(ambiguous):
-507                unambiguous_columns[column] = table
+471        source = self.scope.sources[name]
+472
+473        # If referencing a table, return the columns from the schema
+474        if isinstance(source, exp.Table):
+475            return self.schema.column_names(source, only_visible)
+476
+477        if isinstance(source, Scope) and isinstance(source.expression, exp.Values):
+478            return source.expression.alias_column_names
+479
+480        # Otherwise, if referencing another scope, return that scope's named selects
+481        return source.expression.named_selects
+482
+483    def _get_all_source_columns(self):
+484        if self._source_columns is None:
+485            self._source_columns = {
+486                k: self.get_source_columns(k)
+487                for k in itertools.chain(self.scope.selected_sources, self.scope.lateral_sources)
+488            }
+489        return self._source_columns
+490
+491    def _get_unambiguous_columns(self, source_columns):
+492        """
+493        Find all the unambiguous columns in sources.
+494
+495        Args:
+496            source_columns (dict): Mapping of names to source columns
+497        Returns:
+498            dict: Mapping of column name to source name
+499        """
+500        if not source_columns:
+501            return {}
+502
+503        source_columns = list(source_columns.items())
+504
+505        first_table, first_columns = source_columns[0]
+506        unambiguous_columns = {col: first_table for col in self._find_unique_columns(first_columns)}
+507        all_columns = set(unambiguous_columns)
 508
-509        return unambiguous_columns
-510
-511    @staticmethod
-512    def _find_unique_columns(columns):
-513        """
-514        Find the unique columns in a list of columns.
-515
-516        Example:
-517            >>> sorted(Resolver._find_unique_columns(["a", "b", "b", "c"]))
-518            ['a', 'c']
+509        for table, columns in source_columns[1:]:
+510            unique = self._find_unique_columns(columns)
+511            ambiguous = set(all_columns).intersection(unique)
+512            all_columns.update(columns)
+513            for column in ambiguous:
+514                unambiguous_columns.pop(column, None)
+515            for column in unique.difference(ambiguous):
+516                unambiguous_columns[column] = table
+517
+518        return unambiguous_columns
 519
-520        This is necessary because duplicate column names are ambiguous.
-521        """
-522        counts = {}
-523        for column in columns:
-524            counts[column] = counts.get(column, 0) + 1
-525        return {column for column, count in counts.items() if count == 1}
+520    @staticmethod
+521    def _find_unique_columns(columns):
+522        """
+523        Find the unique columns in a list of columns.
+524
+525        Example:
+526            >>> sorted(Resolver._find_unique_columns(["a", "b", "b", "c"]))
+527            ['a', 'c']
+528
+529        This is necessary because duplicate column names are ambiguous.
+530        """
+531        counts = {}
+532        for column in columns:
+533            counts[column] = counts.get(column, 0) + 1
+534        return {column for column, count in counts.items() if count == 1}
 
    
 
 
@@ -879,12 +894,12 @@
 
     
    
     
-            
    399    def __init__(self, scope, schema):
-400        self.scope = scope
-401        self.schema = schema
-402        self._source_columns = None
-403        self._unambiguous_columns = None
-404        self._all_columns = None
+            
    408    def __init__(self, scope, schema):
+409        self.scope = scope
+410        self.schema = schema
+411        self._source_columns = None
+412        self._unambiguous_columns = None
+413        self._all_columns = None
 
    
 
 
@@ -902,47 +917,47 @@
 
     
    
     
-            
    406    def get_table(self, column_name: str) -> t.Optional[exp.Identifier]:
-407        """
-408        Get the table for a column name.
-409
-410        Args:
-411            column_name: The column name to find the table for.
-412        Returns:
-413            The table name if it can be found/inferred.
-414        """
-415        if self._unambiguous_columns is None:
-416            self._unambiguous_columns = self._get_unambiguous_columns(
-417                self._get_all_source_columns()
-418            )
-419
-420        table_name = self._unambiguous_columns.get(column_name)
-421
-422        if not table_name:
-423            sources_without_schema = tuple(
-424                source
-425                for source, columns in self._get_all_source_columns().items()
-426                if not columns or "*" in columns
+            
    415    def get_table(self, column_name: str) -> t.Optional[exp.Identifier]:
+416        """
+417        Get the table for a column name.
+418
+419        Args:
+420            column_name: The column name to find the table for.
+421        Returns:
+422            The table name if it can be found/inferred.
+423        """
+424        if self._unambiguous_columns is None:
+425            self._unambiguous_columns = self._get_unambiguous_columns(
+426                self._get_all_source_columns()
 427            )
-428            if len(sources_without_schema) == 1:
-429                table_name = sources_without_schema[0]
+428
+429        table_name = self._unambiguous_columns.get(column_name)
 430
-431        if table_name not in self.scope.selected_sources:
-432            return exp.to_identifier(table_name)
-433
-434        node, _ = self.scope.selected_sources.get(table_name)
-435
-436        if isinstance(node, exp.Subqueryable):
-437            while node and node.alias != table_name:
-438                node = node.parent
+431        if not table_name:
+432            sources_without_schema = tuple(
+433                source
+434                for source, columns in self._get_all_source_columns().items()
+435                if not columns or "*" in columns
+436            )
+437            if len(sources_without_schema) == 1:
+438                table_name = sources_without_schema[0]
 439
-440        node_alias = node.args.get("alias")
-441        if node_alias:
-442            return node_alias.this
-443
-444        return exp.to_identifier(
-445            table_name, quoted=node.this.quoted if isinstance(node, exp.Table) else None
-446        )
+440        if table_name not in self.scope.selected_sources:
+441            return exp.to_identifier(table_name)
+442
+443        node, _ = self.scope.selected_sources.get(table_name)
+444
+445        if isinstance(node, exp.Subqueryable):
+446            while node and node.alias != table_name:
+447                node = node.parent
+448
+449        node_alias = node.args.get("alias")
+450        if node_alias:
+451            return node_alias.this
+452
+453        return exp.to_identifier(
+454            table_name, quoted=node.this.quoted if isinstance(node, exp.Table) else None
+455        )
 
    
 
 
@@ -987,22 +1002,22 @@
 
     
    
     
-            
    457    def get_source_columns(self, name, only_visible=False):
-458        """Resolve the source columns for a given source `name`"""
-459        if name not in self.scope.sources:
-460            raise OptimizeError(f"Unknown table: {name}")
-461
-462        source = self.scope.sources[name]
-463
-464        # If referencing a table, return the columns from the schema
-465        if isinstance(source, exp.Table):
-466            return self.schema.column_names(source, only_visible)
-467
-468        if isinstance(source, Scope) and isinstance(source.expression, exp.Values):
-469            return source.expression.alias_column_names
+            
    466    def get_source_columns(self, name, only_visible=False):
+467        """Resolve the source columns for a given source `name`"""
+468        if name not in self.scope.sources:
+469            raise OptimizeError(f"Unknown table: {name}")
 470
-471        # Otherwise, if referencing another scope, return that scope's named selects
-472        return source.expression.named_selects
+471        source = self.scope.sources[name]
+472
+473        # If referencing a table, return the columns from the schema
+474        if isinstance(source, exp.Table):
+475            return self.schema.column_names(source, only_visible)
+476
+477        if isinstance(source, Scope) and isinstance(source.expression, exp.Values):
+478            return source.expression.alias_column_names
+479
+480        # Otherwise, if referencing another scope, return that scope's named selects
+481        return source.expression.named_selects
 
    
 
 
diff --git a/docs/sqlglot/optimizer/simplify.html b/docs/sqlglot/optimizer/simplify.html
index 5ba4a5e..598977c 100644
--- a/docs/sqlglot/optimizer/simplify.html
+++ b/docs/sqlglot/optimizer/simplify.html
@@ -175,449 +175,458 @@
      60        return exp.and_(
  61            exp.GTE(this=expression.this.copy(), expression=expression.args["low"]),
  62            exp.LTE(this=expression.this.copy(), expression=expression.args["high"]),
- 63        )
- 64    return expression
- 65
+ 63            copy=False,
+ 64        )
+ 65    return expression
  66
- 67def simplify_not(expression):
- 68    """
- 69    Demorgan's Law
- 70    NOT (x OR y) -> NOT x AND NOT y
- 71    NOT (x AND y) -> NOT x OR NOT y
- 72    """
- 73    if isinstance(expression, exp.Not):
- 74        if is_null(expression.this):
- 75            return exp.null()
- 76        if isinstance(expression.this, exp.Paren):
- 77            condition = expression.this.unnest()
- 78            if isinstance(condition, exp.And):
- 79                return exp.or_(exp.not_(condition.left), exp.not_(condition.right))
- 80            if isinstance(condition, exp.Or):
- 81                return exp.and_(exp.not_(condition.left), exp.not_(condition.right))
- 82            if is_null(condition):
- 83                return exp.null()
- 84        if always_true(expression.this):
- 85            return exp.false()
- 86        if is_false(expression.this):
- 87            return exp.true()
- 88        if isinstance(expression.this, exp.Not):
- 89            # double negation
- 90            # NOT NOT x -> x
- 91            return expression.this.this
- 92    return expression
- 93
- 94
- 95def flatten(expression):
- 96    """
- 97    A AND (B AND C) -> A AND B AND C
- 98    A OR (B OR C) -> A OR B OR C
- 99    """
-100    if isinstance(expression, exp.Connector):
-101        for node in expression.args.values():
-102            child = node.unnest()
-103            if isinstance(child, expression.__class__):
-104                node.replace(child)
-105    return expression
-106
-107
-108def simplify_connectors(expression, root=True):
-109    def _simplify_connectors(expression, left, right):
-110        if left == right:
-111            return left
-112        if isinstance(expression, exp.And):
-113            if is_false(left) or is_false(right):
-114                return exp.false()
-115            if is_null(left) or is_null(right):
-116                return exp.null()
-117            if always_true(left) and always_true(right):
-118                return exp.true()
-119            if always_true(left):
-120                return right
-121            if always_true(right):
-122                return left
-123            return _simplify_comparison(expression, left, right)
-124        elif isinstance(expression, exp.Or):
-125            if always_true(left) or always_true(right):
-126                return exp.true()
-127            if is_false(left) and is_false(right):
-128                return exp.false()
-129            if (
-130                (is_null(left) and is_null(right))
-131                or (is_null(left) and is_false(right))
-132                or (is_false(left) and is_null(right))
-133            ):
-134                return exp.null()
-135            if is_false(left):
-136                return right
-137            if is_false(right):
-138                return left
-139            return _simplify_comparison(expression, left, right, or_=True)
-140
-141    if isinstance(expression, exp.Connector):
-142        return _flat_simplify(expression, _simplify_connectors, root)
-143    return expression
-144
-145
-146LT_LTE = (exp.LT, exp.LTE)
-147GT_GTE = (exp.GT, exp.GTE)
-148
-149COMPARISONS = (
-150    *LT_LTE,
-151    *GT_GTE,
-152    exp.EQ,
-153    exp.NEQ,
-154)
-155
-156INVERSE_COMPARISONS = {
-157    exp.LT: exp.GT,
-158    exp.GT: exp.LT,
-159    exp.LTE: exp.GTE,
-160    exp.GTE: exp.LTE,
-161}
-162
-163
-164def _simplify_comparison(expression, left, right, or_=False):
-165    if isinstance(left, COMPARISONS) and isinstance(right, COMPARISONS):
-166        ll, lr = left.args.values()
-167        rl, rr = right.args.values()
-168
-169        largs = {ll, lr}
-170        rargs = {rl, rr}
+ 67
+ 68def simplify_not(expression):
+ 69    """
+ 70    Demorgan's Law
+ 71    NOT (x OR y) -> NOT x AND NOT y
+ 72    NOT (x AND y) -> NOT x OR NOT y
+ 73    """
+ 74    if isinstance(expression, exp.Not):
+ 75        if is_null(expression.this):
+ 76            return exp.null()
+ 77        if isinstance(expression.this, exp.Paren):
+ 78            condition = expression.this.unnest()
+ 79            if isinstance(condition, exp.And):
+ 80                return exp.or_(
+ 81                    exp.not_(condition.left, copy=False),
+ 82                    exp.not_(condition.right, copy=False),
+ 83                    copy=False,
+ 84                )
+ 85            if isinstance(condition, exp.Or):
+ 86                return exp.and_(
+ 87                    exp.not_(condition.left, copy=False),
+ 88                    exp.not_(condition.right, copy=False),
+ 89                    copy=False,
+ 90                )
+ 91            if is_null(condition):
+ 92                return exp.null()
+ 93        if always_true(expression.this):
+ 94            return exp.false()
+ 95        if is_false(expression.this):
+ 96            return exp.true()
+ 97        if isinstance(expression.this, exp.Not):
+ 98            # double negation
+ 99            # NOT NOT x -> x
+100            return expression.this.this
+101    return expression
+102
+103
+104def flatten(expression):
+105    """
+106    A AND (B AND C) -> A AND B AND C
+107    A OR (B OR C) -> A OR B OR C
+108    """
+109    if isinstance(expression, exp.Connector):
+110        for node in expression.args.values():
+111            child = node.unnest()
+112            if isinstance(child, expression.__class__):
+113                node.replace(child)
+114    return expression
+115
+116
+117def simplify_connectors(expression, root=True):
+118    def _simplify_connectors(expression, left, right):
+119        if left == right:
+120            return left
+121        if isinstance(expression, exp.And):
+122            if is_false(left) or is_false(right):
+123                return exp.false()
+124            if is_null(left) or is_null(right):
+125                return exp.null()
+126            if always_true(left) and always_true(right):
+127                return exp.true()
+128            if always_true(left):
+129                return right
+130            if always_true(right):
+131                return left
+132            return _simplify_comparison(expression, left, right)
+133        elif isinstance(expression, exp.Or):
+134            if always_true(left) or always_true(right):
+135                return exp.true()
+136            if is_false(left) and is_false(right):
+137                return exp.false()
+138            if (
+139                (is_null(left) and is_null(right))
+140                or (is_null(left) and is_false(right))
+141                or (is_false(left) and is_null(right))
+142            ):
+143                return exp.null()
+144            if is_false(left):
+145                return right
+146            if is_false(right):
+147                return left
+148            return _simplify_comparison(expression, left, right, or_=True)
+149
+150    if isinstance(expression, exp.Connector):
+151        return _flat_simplify(expression, _simplify_connectors, root)
+152    return expression
+153
+154
+155LT_LTE = (exp.LT, exp.LTE)
+156GT_GTE = (exp.GT, exp.GTE)
+157
+158COMPARISONS = (
+159    *LT_LTE,
+160    *GT_GTE,
+161    exp.EQ,
+162    exp.NEQ,
+163)
+164
+165INVERSE_COMPARISONS = {
+166    exp.LT: exp.GT,
+167    exp.GT: exp.LT,
+168    exp.LTE: exp.GTE,
+169    exp.GTE: exp.LTE,
+170}
 171
-172        matching = largs & rargs
-173        columns = {m for m in matching if isinstance(m, exp.Column)}
-174
-175        if matching and columns:
-176            try:
-177                l = first(largs - columns)
-178                r = first(rargs - columns)
-179            except StopIteration:
-180                return expression
-181
-182            # make sure the comparison is always of the form x > 1 instead of 1 < x
-183            if left.__class__ in INVERSE_COMPARISONS and l == ll:
-184                left = INVERSE_COMPARISONS[left.__class__](this=lr, expression=ll)
-185            if right.__class__ in INVERSE_COMPARISONS and r == rl:
-186                right = INVERSE_COMPARISONS[right.__class__](this=rr, expression=rl)
-187
-188            if l.is_number and r.is_number:
-189                l = float(l.name)
-190                r = float(r.name)
-191            elif l.is_string and r.is_string:
-192                l = l.name
-193                r = r.name
-194            else:
-195                return None
+172
+173def _simplify_comparison(expression, left, right, or_=False):
+174    if isinstance(left, COMPARISONS) and isinstance(right, COMPARISONS):
+175        ll, lr = left.args.values()
+176        rl, rr = right.args.values()
+177
+178        largs = {ll, lr}
+179        rargs = {rl, rr}
+180
+181        matching = largs & rargs
+182        columns = {m for m in matching if isinstance(m, exp.Column)}
+183
+184        if matching and columns:
+185            try:
+186                l = first(largs - columns)
+187                r = first(rargs - columns)
+188            except StopIteration:
+189                return expression
+190
+191            # make sure the comparison is always of the form x > 1 instead of 1 < x
+192            if left.__class__ in INVERSE_COMPARISONS and l == ll:
+193                left = INVERSE_COMPARISONS[left.__class__](this=lr, expression=ll)
+194            if right.__class__ in INVERSE_COMPARISONS and r == rl:
+195                right = INVERSE_COMPARISONS[right.__class__](this=rr, expression=rl)
 196
-197            for (a, av), (b, bv) in itertools.permutations(((left, l), (right, r))):
-198                if isinstance(a, LT_LTE) and isinstance(b, LT_LTE):
-199                    return left if (av > bv if or_ else av <= bv) else right
-200                if isinstance(a, GT_GTE) and isinstance(b, GT_GTE):
-201                    return left if (av < bv if or_ else av >= bv) else right
-202
-203                # we can't ever shortcut to true because the column could be null
-204                if not or_:
-205                    if isinstance(a, exp.LT) and isinstance(b, GT_GTE):
-206                        if av <= bv:
-207                            return exp.false()
-208                    elif isinstance(a, exp.GT) and isinstance(b, LT_LTE):
-209                        if av >= bv:
-210                            return exp.false()
-211                    elif isinstance(a, exp.EQ):
-212                        if isinstance(b, exp.LT):
-213                            return exp.false() if av >= bv else a
-214                        if isinstance(b, exp.LTE):
-215                            return exp.false() if av > bv else a
-216                        if isinstance(b, exp.GT):
-217                            return exp.false() if av <= bv else a
-218                        if isinstance(b, exp.GTE):
-219                            return exp.false() if av < bv else a
-220                        if isinstance(b, exp.NEQ):
-221                            return exp.false() if av == bv else a
-222    return None
-223
-224
-225def remove_compliments(expression, root=True):
-226    """
-227    Removing compliments.
-228
-229    A AND NOT A -> FALSE
-230    A OR NOT A -> TRUE
-231    """
-232    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
-233        compliment = exp.false() if isinstance(expression, exp.And) else exp.true()
-234
-235        for a, b in itertools.permutations(expression.flatten(), 2):
-236            if is_complement(a, b):
-237                return compliment
-238    return expression
-239
-240
-241def uniq_sort(expression, cache=None, root=True):
-242    """
-243    Uniq and sort a connector.
-244
-245    C AND A AND B AND B -> A AND B AND C
-246    """
-247    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
-248        result_func = exp.and_ if isinstance(expression, exp.And) else exp.or_
-249        flattened = tuple(expression.flatten())
-250        deduped = {GENERATOR.generate(e, cache): e for e in flattened}
-251        arr = tuple(deduped.items())
-252
-253        # check if the operands are already sorted, if not sort them
-254        # A AND C AND B -> A AND B AND C
-255        for i, (sql, e) in enumerate(arr[1:]):
-256            if sql < arr[i][0]:
-257                expression = result_func(*(e for _, e in sorted(arr)))
-258                break
-259        else:
-260            # we didn't have to sort but maybe we need to dedup
-261            if len(deduped) < len(flattened):
-262                expression = result_func(*deduped.values())
-263
-264    return expression
-265
-266
-267def absorb_and_eliminate(expression, root=True):
-268    """
-269    absorption:
-270        A AND (A OR B) -> A
-271        A OR (A AND B) -> A
-272        A AND (NOT A OR B) -> A AND B
-273        A OR (NOT A AND B) -> A OR B
-274    elimination:
-275        (A AND B) OR (A AND NOT B) -> A
-276        (A OR B) AND (A OR NOT B) -> A
-277    """
-278    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
-279        kind = exp.Or if isinstance(expression, exp.And) else exp.And
-280
-281        for a, b in itertools.permutations(expression.flatten(), 2):
-282            if isinstance(a, kind):
-283                aa, ab = a.unnest_operands()
-284
-285                # absorb
-286                if is_complement(b, aa):
-287                    aa.replace(exp.true() if kind == exp.And else exp.false())
-288                elif is_complement(b, ab):
-289                    ab.replace(exp.true() if kind == exp.And else exp.false())
-290                elif (set(b.flatten()) if isinstance(b, kind) else {b}) < set(a.flatten()):
-291                    a.replace(exp.false() if kind == exp.And else exp.true())
-292                elif isinstance(b, kind):
-293                    # eliminate
-294                    rhs = b.unnest_operands()
-295                    ba, bb = rhs
-296
-297                    if aa in rhs and (is_complement(ab, ba) or is_complement(ab, bb)):
-298                        a.replace(aa)
-299                        b.replace(aa)
-300                    elif ab in rhs and (is_complement(aa, ba) or is_complement(aa, bb)):
-301                        a.replace(ab)
-302                        b.replace(ab)
-303
-304    return expression
+197            if l.is_number and r.is_number:
+198                l = float(l.name)
+199                r = float(r.name)
+200            elif l.is_string and r.is_string:
+201                l = l.name
+202                r = r.name
+203            else:
+204                return None
+205
+206            for (a, av), (b, bv) in itertools.permutations(((left, l), (right, r))):
+207                if isinstance(a, LT_LTE) and isinstance(b, LT_LTE):
+208                    return left if (av > bv if or_ else av <= bv) else right
+209                if isinstance(a, GT_GTE) and isinstance(b, GT_GTE):
+210                    return left if (av < bv if or_ else av >= bv) else right
+211
+212                # we can't ever shortcut to true because the column could be null
+213                if not or_:
+214                    if isinstance(a, exp.LT) and isinstance(b, GT_GTE):
+215                        if av <= bv:
+216                            return exp.false()
+217                    elif isinstance(a, exp.GT) and isinstance(b, LT_LTE):
+218                        if av >= bv:
+219                            return exp.false()
+220                    elif isinstance(a, exp.EQ):
+221                        if isinstance(b, exp.LT):
+222                            return exp.false() if av >= bv else a
+223                        if isinstance(b, exp.LTE):
+224                            return exp.false() if av > bv else a
+225                        if isinstance(b, exp.GT):
+226                            return exp.false() if av <= bv else a
+227                        if isinstance(b, exp.GTE):
+228                            return exp.false() if av < bv else a
+229                        if isinstance(b, exp.NEQ):
+230                            return exp.false() if av == bv else a
+231    return None
+232
+233
+234def remove_compliments(expression, root=True):
+235    """
+236    Removing compliments.
+237
+238    A AND NOT A -> FALSE
+239    A OR NOT A -> TRUE
+240    """
+241    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
+242        compliment = exp.false() if isinstance(expression, exp.And) else exp.true()
+243
+244        for a, b in itertools.permutations(expression.flatten(), 2):
+245            if is_complement(a, b):
+246                return compliment
+247    return expression
+248
+249
+250def uniq_sort(expression, cache=None, root=True):
+251    """
+252    Uniq and sort a connector.
+253
+254    C AND A AND B AND B -> A AND B AND C
+255    """
+256    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
+257        result_func = exp.and_ if isinstance(expression, exp.And) else exp.or_
+258        flattened = tuple(expression.flatten())
+259        deduped = {GENERATOR.generate(e, cache): e for e in flattened}
+260        arr = tuple(deduped.items())
+261
+262        # check if the operands are already sorted, if not sort them
+263        # A AND C AND B -> A AND B AND C
+264        for i, (sql, e) in enumerate(arr[1:]):
+265            if sql < arr[i][0]:
+266                expression = result_func(*(e for _, e in sorted(arr)), copy=False)
+267                break
+268        else:
+269            # we didn't have to sort but maybe we need to dedup
+270            if len(deduped) < len(flattened):
+271                expression = result_func(*deduped.values(), copy=False)
+272
+273    return expression
+274
+275
+276def absorb_and_eliminate(expression, root=True):
+277    """
+278    absorption:
+279        A AND (A OR B) -> A
+280        A OR (A AND B) -> A
+281        A AND (NOT A OR B) -> A AND B
+282        A OR (NOT A AND B) -> A OR B
+283    elimination:
+284        (A AND B) OR (A AND NOT B) -> A
+285        (A OR B) AND (A OR NOT B) -> A
+286    """
+287    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
+288        kind = exp.Or if isinstance(expression, exp.And) else exp.And
+289
+290        for a, b in itertools.permutations(expression.flatten(), 2):
+291            if isinstance(a, kind):
+292                aa, ab = a.unnest_operands()
+293
+294                # absorb
+295                if is_complement(b, aa):
+296                    aa.replace(exp.true() if kind == exp.And else exp.false())
+297                elif is_complement(b, ab):
+298                    ab.replace(exp.true() if kind == exp.And else exp.false())
+299                elif (set(b.flatten()) if isinstance(b, kind) else {b}) < set(a.flatten()):
+300                    a.replace(exp.false() if kind == exp.And else exp.true())
+301                elif isinstance(b, kind):
+302                    # eliminate
+303                    rhs = b.unnest_operands()
+304                    ba, bb = rhs
 305
-306
-307def simplify_literals(expression, root=True):
-308    if isinstance(expression, exp.Binary) and not isinstance(expression, exp.Connector):
-309        return _flat_simplify(expression, _simplify_binary, root)
-310    elif isinstance(expression, exp.Neg):
-311        this = expression.this
-312        if this.is_number:
-313            value = this.name
-314            if value[0] == "-":
-315                return exp.Literal.number(value[1:])
-316            return exp.Literal.number(f"-{value}")
-317
-318    return expression
-319
-320
-321def _simplify_binary(expression, a, b):
-322    if isinstance(expression, exp.Is):
-323        if isinstance(b, exp.Not):
-324            c = b.this
-325            not_ = True
-326        else:
-327            c = b
-328            not_ = False
+306                    if aa in rhs and (is_complement(ab, ba) or is_complement(ab, bb)):
+307                        a.replace(aa)
+308                        b.replace(aa)
+309                    elif ab in rhs and (is_complement(aa, ba) or is_complement(aa, bb)):
+310                        a.replace(ab)
+311                        b.replace(ab)
+312
+313    return expression
+314
+315
+316def simplify_literals(expression, root=True):
+317    if isinstance(expression, exp.Binary) and not isinstance(expression, exp.Connector):
+318        return _flat_simplify(expression, _simplify_binary, root)
+319    elif isinstance(expression, exp.Neg):
+320        this = expression.this
+321        if this.is_number:
+322            value = this.name
+323            if value[0] == "-":
+324                return exp.Literal.number(value[1:])
+325            return exp.Literal.number(f"-{value}")
+326
+327    return expression
+328
 329
-330        if is_null(c):
-331            if isinstance(a, exp.Literal):
-332                return exp.true() if not_ else exp.false()
-333            if is_null(a):
-334                return exp.false() if not_ else exp.true()
-335    elif isinstance(expression, (exp.NullSafeEQ, exp.NullSafeNEQ)):
-336        return None
-337    elif is_null(a) or is_null(b):
-338        return exp.null()
-339
-340    if a.is_number and b.is_number:
-341        a = int(a.name) if a.is_int else Decimal(a.name)
-342        b = int(b.name) if b.is_int else Decimal(b.name)
-343
-344        if isinstance(expression, exp.Add):
-345            return exp.Literal.number(a + b)
-346        if isinstance(expression, exp.Sub):
-347            return exp.Literal.number(a - b)
-348        if isinstance(expression, exp.Mul):
-349            return exp.Literal.number(a * b)
-350        if isinstance(expression, exp.Div):
-351            # engines have differing int div behavior so intdiv is not safe
-352            if isinstance(a, int) and isinstance(b, int):
-353                return None
-354            return exp.Literal.number(a / b)
-355
-356        boolean = eval_boolean(expression, a, b)
-357
-358        if boolean:
-359            return boolean
-360    elif a.is_string and b.is_string:
-361        boolean = eval_boolean(expression, a.this, b.this)
-362
-363        if boolean:
-364            return boolean
-365    elif isinstance(a, exp.Cast) and isinstance(b, exp.Interval):
-366        a, b = extract_date(a), extract_interval(b)
-367        if a and b:
-368            if isinstance(expression, exp.Add):
-369                return date_literal(a + b)
-370            if isinstance(expression, exp.Sub):
-371                return date_literal(a - b)
-372    elif isinstance(a, exp.Interval) and isinstance(b, exp.Cast):
-373        a, b = extract_interval(a), extract_date(b)
-374        # you cannot subtract a date from an interval
-375        if a and b and isinstance(expression, exp.Add):
-376            return date_literal(a + b)
-377
-378    return None
-379
-380
-381def simplify_parens(expression):
-382    if (
-383        isinstance(expression, exp.Paren)
-384        and not isinstance(expression.this, exp.Select)
-385        and (
-386            not isinstance(expression.parent, (exp.Condition, exp.Binary))
-387            or isinstance(expression.this, exp.Predicate)
-388            or not isinstance(expression.this, exp.Binary)
-389        )
-390    ):
-391        return expression.this
-392    return expression
-393
-394
-395def remove_where_true(expression):
-396    for where in expression.find_all(exp.Where):
-397        if always_true(where.this):
-398            where.parent.set("where", None)
-399    for join in expression.find_all(exp.Join):
-400        if always_true(join.args.get("on")):
-401            join.set("kind", "CROSS")
-402            join.set("on", None)
+330def _simplify_binary(expression, a, b):
+331    if isinstance(expression, exp.Is):
+332        if isinstance(b, exp.Not):
+333            c = b.this
+334            not_ = True
+335        else:
+336            c = b
+337            not_ = False
+338
+339        if is_null(c):
+340            if isinstance(a, exp.Literal):
+341                return exp.true() if not_ else exp.false()
+342            if is_null(a):
+343                return exp.false() if not_ else exp.true()
+344    elif isinstance(expression, (exp.NullSafeEQ, exp.NullSafeNEQ)):
+345        return None
+346    elif is_null(a) or is_null(b):
+347        return exp.null()
+348
+349    if a.is_number and b.is_number:
+350        a = int(a.name) if a.is_int else Decimal(a.name)
+351        b = int(b.name) if b.is_int else Decimal(b.name)
+352
+353        if isinstance(expression, exp.Add):
+354            return exp.Literal.number(a + b)
+355        if isinstance(expression, exp.Sub):
+356            return exp.Literal.number(a - b)
+357        if isinstance(expression, exp.Mul):
+358            return exp.Literal.number(a * b)
+359        if isinstance(expression, exp.Div):
+360            # engines have differing int div behavior so intdiv is not safe
+361            if isinstance(a, int) and isinstance(b, int):
+362                return None
+363            return exp.Literal.number(a / b)
+364
+365        boolean = eval_boolean(expression, a, b)
+366
+367        if boolean:
+368            return boolean
+369    elif a.is_string and b.is_string:
+370        boolean = eval_boolean(expression, a.this, b.this)
+371
+372        if boolean:
+373            return boolean
+374    elif isinstance(a, exp.Cast) and isinstance(b, exp.Interval):
+375        a, b = extract_date(a), extract_interval(b)
+376        if a and b:
+377            if isinstance(expression, exp.Add):
+378                return date_literal(a + b)
+379            if isinstance(expression, exp.Sub):
+380                return date_literal(a - b)
+381    elif isinstance(a, exp.Interval) and isinstance(b, exp.Cast):
+382        a, b = extract_interval(a), extract_date(b)
+383        # you cannot subtract a date from an interval
+384        if a and b and isinstance(expression, exp.Add):
+385            return date_literal(a + b)
+386
+387    return None
+388
+389
+390def simplify_parens(expression):
+391    if (
+392        isinstance(expression, exp.Paren)
+393        and not isinstance(expression.this, exp.Select)
+394        and (
+395            not isinstance(expression.parent, (exp.Condition, exp.Binary))
+396            or isinstance(expression.this, exp.Predicate)
+397            or not isinstance(expression.this, exp.Binary)
+398        )
+399    ):
+400        return expression.this
+401    return expression
+402
 403
-404
-405def always_true(expression):
-406    return (isinstance(expression, exp.Boolean) and expression.this) or isinstance(
-407        expression, exp.Literal
-408    )
-409
-410
-411def is_complement(a, b):
-412    return isinstance(b, exp.Not) and b.this == a
+404def remove_where_true(expression):
+405    for where in expression.find_all(exp.Where):
+406        if always_true(where.this):
+407            where.parent.set("where", None)
+408    for join in expression.find_all(exp.Join):
+409        if always_true(join.args.get("on")):
+410            join.set("kind", "CROSS")
+411            join.set("on", None)
+412
 413
-414
-415def is_false(a: exp.Expression) -> bool:
-416    return type(a) is exp.Boolean and not a.this
-417
+414def always_true(expression):
+415    return (isinstance(expression, exp.Boolean) and expression.this) or isinstance(
+416        expression, exp.Literal
+417    )
 418
-419def is_null(a: exp.Expression) -> bool:
-420    return type(a) is exp.Null
-421
+419
+420def is_complement(a, b):
+421    return isinstance(b, exp.Not) and b.this == a
 422
-423def eval_boolean(expression, a, b):
-424    if isinstance(expression, (exp.EQ, exp.Is)):
-425        return boolean_literal(a == b)
-426    if isinstance(expression, exp.NEQ):
-427        return boolean_literal(a != b)
-428    if isinstance(expression, exp.GT):
-429        return boolean_literal(a > b)
-430    if isinstance(expression, exp.GTE):
-431        return boolean_literal(a >= b)
-432    if isinstance(expression, exp.LT):
-433        return boolean_literal(a < b)
-434    if isinstance(expression, exp.LTE):
-435        return boolean_literal(a <= b)
-436    return None
-437
-438
-439def extract_date(cast):
-440    # The "fromisoformat" conversion could fail if the cast is used on an identifier,
-441    # so in that case we can't extract the date.
-442    try:
-443        if cast.args["to"].this == exp.DataType.Type.DATE:
-444            return datetime.date.fromisoformat(cast.name)
-445        if cast.args["to"].this == exp.DataType.Type.DATETIME:
-446            return datetime.datetime.fromisoformat(cast.name)
-447    except ValueError:
-448        return None
-449
-450
-451def extract_interval(interval):
-452    try:
-453        from dateutil.relativedelta import relativedelta  # type: ignore
-454    except ModuleNotFoundError:
-455        return None
-456
-457    n = int(interval.name)
-458    unit = interval.text("unit").lower()
+423
+424def is_false(a: exp.Expression) -> bool:
+425    return type(a) is exp.Boolean and not a.this
+426
+427
+428def is_null(a: exp.Expression) -> bool:
+429    return type(a) is exp.Null
+430
+431
+432def eval_boolean(expression, a, b):
+433    if isinstance(expression, (exp.EQ, exp.Is)):
+434        return boolean_literal(a == b)
+435    if isinstance(expression, exp.NEQ):
+436        return boolean_literal(a != b)
+437    if isinstance(expression, exp.GT):
+438        return boolean_literal(a > b)
+439    if isinstance(expression, exp.GTE):
+440        return boolean_literal(a >= b)
+441    if isinstance(expression, exp.LT):
+442        return boolean_literal(a < b)
+443    if isinstance(expression, exp.LTE):
+444        return boolean_literal(a <= b)
+445    return None
+446
+447
+448def extract_date(cast):
+449    # The "fromisoformat" conversion could fail if the cast is used on an identifier,
+450    # so in that case we can't extract the date.
+451    try:
+452        if cast.args["to"].this == exp.DataType.Type.DATE:
+453            return datetime.date.fromisoformat(cast.name)
+454        if cast.args["to"].this == exp.DataType.Type.DATETIME:
+455            return datetime.datetime.fromisoformat(cast.name)
+456    except ValueError:
+457        return None
+458
 459
-460    if unit == "year":
-461        return relativedelta(years=n)
-462    if unit == "month":
-463        return relativedelta(months=n)
-464    if unit == "week":
-465        return relativedelta(weeks=n)
-466    if unit == "day":
-467        return relativedelta(days=n)
-468    return None
-469
-470
-471def date_literal(date):
-472    return exp.cast(
-473        exp.Literal.string(date),
-474        "DATETIME" if isinstance(date, datetime.datetime) else "DATE",
-475    )
-476
-477
-478def boolean_literal(condition):
-479    return exp.true() if condition else exp.false()
-480
-481
-482def _flat_simplify(expression, simplifier, root=True):
-483    if root or not expression.same_parent:
-484        operands = []
-485        queue = deque(expression.flatten(unnest=False))
-486        size = len(queue)
-487
-488        while queue:
-489            a = queue.popleft()
+460def extract_interval(interval):
+461    try:
+462        from dateutil.relativedelta import relativedelta  # type: ignore
+463    except ModuleNotFoundError:
+464        return None
+465
+466    n = int(interval.name)
+467    unit = interval.text("unit").lower()
+468
+469    if unit == "year":
+470        return relativedelta(years=n)
+471    if unit == "month":
+472        return relativedelta(months=n)
+473    if unit == "week":
+474        return relativedelta(weeks=n)
+475    if unit == "day":
+476        return relativedelta(days=n)
+477    return None
+478
+479
+480def date_literal(date):
+481    return exp.cast(
+482        exp.Literal.string(date),
+483        "DATETIME" if isinstance(date, datetime.datetime) else "DATE",
+484    )
+485
+486
+487def boolean_literal(condition):
+488    return exp.true() if condition else exp.false()
+489
 490
-491            for b in queue:
-492                result = simplifier(expression, a, b)
-493
-494                if result:
-495                    queue.remove(b)
-496                    queue.appendleft(result)
-497                    break
-498            else:
-499                operands.append(a)
-500
-501        if len(operands) < size:
-502            return functools.reduce(
-503                lambda a, b: expression.__class__(this=a, expression=b), operands
-504            )
-505    return expression
+491def _flat_simplify(expression, simplifier, root=True):
+492    if root or not expression.same_parent:
+493        operands = []
+494        queue = deque(expression.flatten(unnest=False))
+495        size = len(queue)
+496
+497        while queue:
+498            a = queue.popleft()
+499
+500            for b in queue:
+501                result = simplifier(expression, a, b)
+502
+503                if result:
+504                    queue.remove(b)
+505                    queue.appendleft(result)
+506                    break
+507            else:
+508                operands.append(a)
+509
+510        if len(operands) < size:
+511            return functools.reduce(
+512                lambda a, b: expression.__class__(this=a, expression=b), operands
+513            )
+514    return expression
 
    
 
 
@@ -723,8 +732,9 @@
     61        return exp.and_(
 62            exp.GTE(this=expression.this.copy(), expression=expression.args["low"]),
 63            exp.LTE(this=expression.this.copy(), expression=expression.args["high"]),
-64        )
-65    return expression
+64            copy=False,
+65        )
+66    return expression
    @@ -746,32 +756,40 @@ - 
    68def simplify_not(expression):
-69    """
-70    Demorgan's Law
-71    NOT (x OR y) -> NOT x AND NOT y
-72    NOT (x AND y) -> NOT x OR NOT y
-73    """
-74    if isinstance(expression, exp.Not):
-75        if is_null(expression.this):
-76            return exp.null()
-77        if isinstance(expression.this, exp.Paren):
-78            condition = expression.this.unnest()
-79            if isinstance(condition, exp.And):
-80                return exp.or_(exp.not_(condition.left), exp.not_(condition.right))
-81            if isinstance(condition, exp.Or):
-82                return exp.and_(exp.not_(condition.left), exp.not_(condition.right))
-83            if is_null(condition):
-84                return exp.null()
-85        if always_true(expression.this):
-86            return exp.false()
-87        if is_false(expression.this):
-88            return exp.true()
-89        if isinstance(expression.this, exp.Not):
-90            # double negation
-91            # NOT NOT x -> x
-92            return expression.this.this
-93    return expression
+            
     69def simplify_not(expression):
+ 70    """
+ 71    Demorgan's Law
+ 72    NOT (x OR y) -> NOT x AND NOT y
+ 73    NOT (x AND y) -> NOT x OR NOT y
+ 74    """
+ 75    if isinstance(expression, exp.Not):
+ 76        if is_null(expression.this):
+ 77            return exp.null()
+ 78        if isinstance(expression.this, exp.Paren):
+ 79            condition = expression.this.unnest()
+ 80            if isinstance(condition, exp.And):
+ 81                return exp.or_(
+ 82                    exp.not_(condition.left, copy=False),
+ 83                    exp.not_(condition.right, copy=False),
+ 84                    copy=False,
+ 85                )
+ 86            if isinstance(condition, exp.Or):
+ 87                return exp.and_(
+ 88                    exp.not_(condition.left, copy=False),
+ 89                    exp.not_(condition.right, copy=False),
+ 90                    copy=False,
+ 91                )
+ 92            if is_null(condition):
+ 93                return exp.null()
+ 94        if always_true(expression.this):
+ 95            return exp.false()
+ 96        if is_false(expression.this):
+ 97            return exp.true()
+ 98        if isinstance(expression.this, exp.Not):
+ 99            # double negation
+100            # NOT NOT x -> x
+101            return expression.this.this
+102    return expression
 
    
 
 
@@ -793,17 +811,17 @@ NOT (x AND y) -> NOT x OR NOT y
    - 
     96def flatten(expression):
- 97    """
- 98    A AND (B AND C) -> A AND B AND C
- 99    A OR (B OR C) -> A OR B OR C
-100    """
-101    if isinstance(expression, exp.Connector):
-102        for node in expression.args.values():
-103            child = node.unnest()
-104            if isinstance(child, expression.__class__):
-105                node.replace(child)
-106    return expression
+            
    105def flatten(expression):
+106    """
+107    A AND (B AND C) -> A AND B AND C
+108    A OR (B OR C) -> A OR B OR C
+109    """
+110    if isinstance(expression, exp.Connector):
+111        for node in expression.args.values():
+112            child = node.unnest()
+113            if isinstance(child, expression.__class__):
+114                node.replace(child)
+115    return expression
 
    
 
 
@@ -824,42 +842,42 @@ A OR (B OR C) -> A OR B OR C
    - 
    109def simplify_connectors(expression, root=True):
-110    def _simplify_connectors(expression, left, right):
-111        if left == right:
-112            return left
-113        if isinstance(expression, exp.And):
-114            if is_false(left) or is_false(right):
-115                return exp.false()
-116            if is_null(left) or is_null(right):
-117                return exp.null()
-118            if always_true(left) and always_true(right):
-119                return exp.true()
-120            if always_true(left):
-121                return right
-122            if always_true(right):
-123                return left
-124            return _simplify_comparison(expression, left, right)
-125        elif isinstance(expression, exp.Or):
-126            if always_true(left) or always_true(right):
-127                return exp.true()
-128            if is_false(left) and is_false(right):
-129                return exp.false()
-130            if (
-131                (is_null(left) and is_null(right))
-132                or (is_null(left) and is_false(right))
-133                or (is_false(left) and is_null(right))
-134            ):
-135                return exp.null()
-136            if is_false(left):
-137                return right
-138            if is_false(right):
-139                return left
-140            return _simplify_comparison(expression, left, right, or_=True)
-141
-142    if isinstance(expression, exp.Connector):
-143        return _flat_simplify(expression, _simplify_connectors, root)
-144    return expression
+            
    118def simplify_connectors(expression, root=True):
+119    def _simplify_connectors(expression, left, right):
+120        if left == right:
+121            return left
+122        if isinstance(expression, exp.And):
+123            if is_false(left) or is_false(right):
+124                return exp.false()
+125            if is_null(left) or is_null(right):
+126                return exp.null()
+127            if always_true(left) and always_true(right):
+128                return exp.true()
+129            if always_true(left):
+130                return right
+131            if always_true(right):
+132                return left
+133            return _simplify_comparison(expression, left, right)
+134        elif isinstance(expression, exp.Or):
+135            if always_true(left) or always_true(right):
+136                return exp.true()
+137            if is_false(left) and is_false(right):
+138                return exp.false()
+139            if (
+140                (is_null(left) and is_null(right))
+141                or (is_null(left) and is_false(right))
+142                or (is_false(left) and is_null(right))
+143            ):
+144                return exp.null()
+145            if is_false(left):
+146                return right
+147            if is_false(right):
+148                return left
+149            return _simplify_comparison(expression, left, right, or_=True)
+150
+151    if isinstance(expression, exp.Connector):
+152        return _flat_simplify(expression, _simplify_connectors, root)
+153    return expression
 
    
 
 
@@ -877,20 +895,20 @@ A OR (B OR C) -> A OR B OR C
    - 
    226def remove_compliments(expression, root=True):
-227    """
-228    Removing compliments.
-229
-230    A AND NOT A -> FALSE
-231    A OR NOT A -> TRUE
-232    """
-233    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
-234        compliment = exp.false() if isinstance(expression, exp.And) else exp.true()
-235
-236        for a, b in itertools.permutations(expression.flatten(), 2):
-237            if is_complement(a, b):
-238                return compliment
-239    return expression
+            
    235def remove_compliments(expression, root=True):
+236    """
+237    Removing compliments.
+238
+239    A AND NOT A -> FALSE
+240    A OR NOT A -> TRUE
+241    """
+242    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
+243        compliment = exp.false() if isinstance(expression, exp.And) else exp.true()
+244
+245        for a, b in itertools.permutations(expression.flatten(), 2):
+246            if is_complement(a, b):
+247                return compliment
+248    return expression
 
    
 
 
@@ -913,30 +931,30 @@ A OR NOT A -> TRUE
    - 
    242def uniq_sort(expression, cache=None, root=True):
-243    """
-244    Uniq and sort a connector.
-245
-246    C AND A AND B AND B -> A AND B AND C
-247    """
-248    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
-249        result_func = exp.and_ if isinstance(expression, exp.And) else exp.or_
-250        flattened = tuple(expression.flatten())
-251        deduped = {GENERATOR.generate(e, cache): e for e in flattened}
-252        arr = tuple(deduped.items())
-253
-254        # check if the operands are already sorted, if not sort them
-255        # A AND C AND B -> A AND B AND C
-256        for i, (sql, e) in enumerate(arr[1:]):
-257            if sql < arr[i][0]:
-258                expression = result_func(*(e for _, e in sorted(arr)))
-259                break
-260        else:
-261            # we didn't have to sort but maybe we need to dedup
-262            if len(deduped) < len(flattened):
-263                expression = result_func(*deduped.values())
-264
-265    return expression
+            
    251def uniq_sort(expression, cache=None, root=True):
+252    """
+253    Uniq and sort a connector.
+254
+255    C AND A AND B AND B -> A AND B AND C
+256    """
+257    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
+258        result_func = exp.and_ if isinstance(expression, exp.And) else exp.or_
+259        flattened = tuple(expression.flatten())
+260        deduped = {GENERATOR.generate(e, cache): e for e in flattened}
+261        arr = tuple(deduped.items())
+262
+263        # check if the operands are already sorted, if not sort them
+264        # A AND C AND B -> A AND B AND C
+265        for i, (sql, e) in enumerate(arr[1:]):
+266            if sql < arr[i][0]:
+267                expression = result_func(*(e for _, e in sorted(arr)), copy=False)
+268                break
+269        else:
+270            # we didn't have to sort but maybe we need to dedup
+271            if len(deduped) < len(flattened):
+272                expression = result_func(*deduped.values(), copy=False)
+273
+274    return expression
 
    
 
 
@@ -958,44 +976,44 @@ A OR NOT A -> TRUE
    - 
    268def absorb_and_eliminate(expression, root=True):
-269    """
-270    absorption:
-271        A AND (A OR B) -> A
-272        A OR (A AND B) -> A
-273        A AND (NOT A OR B) -> A AND B
-274        A OR (NOT A AND B) -> A OR B
-275    elimination:
-276        (A AND B) OR (A AND NOT B) -> A
-277        (A OR B) AND (A OR NOT B) -> A
-278    """
-279    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
-280        kind = exp.Or if isinstance(expression, exp.And) else exp.And
-281
-282        for a, b in itertools.permutations(expression.flatten(), 2):
-283            if isinstance(a, kind):
-284                aa, ab = a.unnest_operands()
-285
-286                # absorb
-287                if is_complement(b, aa):
-288                    aa.replace(exp.true() if kind == exp.And else exp.false())
-289                elif is_complement(b, ab):
-290                    ab.replace(exp.true() if kind == exp.And else exp.false())
-291                elif (set(b.flatten()) if isinstance(b, kind) else {b}) < set(a.flatten()):
-292                    a.replace(exp.false() if kind == exp.And else exp.true())
-293                elif isinstance(b, kind):
-294                    # eliminate
-295                    rhs = b.unnest_operands()
-296                    ba, bb = rhs
-297
-298                    if aa in rhs and (is_complement(ab, ba) or is_complement(ab, bb)):
-299                        a.replace(aa)
-300                        b.replace(aa)
-301                    elif ab in rhs and (is_complement(aa, ba) or is_complement(aa, bb)):
-302                        a.replace(ab)
-303                        b.replace(ab)
-304
-305    return expression
+            
    277def absorb_and_eliminate(expression, root=True):
+278    """
+279    absorption:
+280        A AND (A OR B) -> A
+281        A OR (A AND B) -> A
+282        A AND (NOT A OR B) -> A AND B
+283        A OR (NOT A AND B) -> A OR B
+284    elimination:
+285        (A AND B) OR (A AND NOT B) -> A
+286        (A OR B) AND (A OR NOT B) -> A
+287    """
+288    if isinstance(expression, exp.Connector) and (root or not expression.same_parent):
+289        kind = exp.Or if isinstance(expression, exp.And) else exp.And
+290
+291        for a, b in itertools.permutations(expression.flatten(), 2):
+292            if isinstance(a, kind):
+293                aa, ab = a.unnest_operands()
+294
+295                # absorb
+296                if is_complement(b, aa):
+297                    aa.replace(exp.true() if kind == exp.And else exp.false())
+298                elif is_complement(b, ab):
+299                    ab.replace(exp.true() if kind == exp.And else exp.false())
+300                elif (set(b.flatten()) if isinstance(b, kind) else {b}) < set(a.flatten()):
+301                    a.replace(exp.false() if kind == exp.And else exp.true())
+302                elif isinstance(b, kind):
+303                    # eliminate
+304                    rhs = b.unnest_operands()
+305                    ba, bb = rhs
+306
+307                    if aa in rhs and (is_complement(ab, ba) or is_complement(ab, bb)):
+308                        a.replace(aa)
+309                        b.replace(aa)
+310                    elif ab in rhs and (is_complement(aa, ba) or is_complement(aa, bb)):
+311                        a.replace(ab)
+312                        b.replace(ab)
+313
+314    return expression
 
    
 
 
@@ -1022,18 +1040,18 @@ elimination:
    - 
    308def simplify_literals(expression, root=True):
-309    if isinstance(expression, exp.Binary) and not isinstance(expression, exp.Connector):
-310        return _flat_simplify(expression, _simplify_binary, root)
-311    elif isinstance(expression, exp.Neg):
-312        this = expression.this
-313        if this.is_number:
-314            value = this.name
-315            if value[0] == "-":
-316                return exp.Literal.number(value[1:])
-317            return exp.Literal.number(f"-{value}")
-318
-319    return expression
+            
    317def simplify_literals(expression, root=True):
+318    if isinstance(expression, exp.Binary) and not isinstance(expression, exp.Connector):
+319        return _flat_simplify(expression, _simplify_binary, root)
+320    elif isinstance(expression, exp.Neg):
+321        this = expression.this
+322        if this.is_number:
+323            value = this.name
+324            if value[0] == "-":
+325                return exp.Literal.number(value[1:])
+326            return exp.Literal.number(f"-{value}")
+327
+328    return expression
 
    
 
 
@@ -1051,18 +1069,18 @@ elimination:
    - 
    382def simplify_parens(expression):
-383    if (
-384        isinstance(expression, exp.Paren)
-385        and not isinstance(expression.this, exp.Select)
-386        and (
-387            not isinstance(expression.parent, (exp.Condition, exp.Binary))
-388            or isinstance(expression.this, exp.Predicate)
-389            or not isinstance(expression.this, exp.Binary)
-390        )
-391    ):
-392        return expression.this
-393    return expression
+            
    391def simplify_parens(expression):
+392    if (
+393        isinstance(expression, exp.Paren)
+394        and not isinstance(expression.this, exp.Select)
+395        and (
+396            not isinstance(expression.parent, (exp.Condition, exp.Binary))
+397            or isinstance(expression.this, exp.Predicate)
+398            or not isinstance(expression.this, exp.Binary)
+399        )
+400    ):
+401        return expression.this
+402    return expression
 
    
 
 
@@ -1080,14 +1098,14 @@ elimination:
    - 
    396def remove_where_true(expression):
-397    for where in expression.find_all(exp.Where):
-398        if always_true(where.this):
-399            where.parent.set("where", None)
-400    for join in expression.find_all(exp.Join):
-401        if always_true(join.args.get("on")):
-402            join.set("kind", "CROSS")
-403            join.set("on", None)
+            
    405def remove_where_true(expression):
+406    for where in expression.find_all(exp.Where):
+407        if always_true(where.this):
+408            where.parent.set("where", None)
+409    for join in expression.find_all(exp.Join):
+410        if always_true(join.args.get("on")):
+411            join.set("kind", "CROSS")
+412            join.set("on", None)
 
    
 
 
@@ -1105,10 +1123,10 @@ elimination:
    - 
    406def always_true(expression):
-407    return (isinstance(expression, exp.Boolean) and expression.this) or isinstance(
-408        expression, exp.Literal
-409    )
+            
    415def always_true(expression):
+416    return (isinstance(expression, exp.Boolean) and expression.this) or isinstance(
+417        expression, exp.Literal
+418    )
 
    
 
 
@@ -1126,8 +1144,8 @@ elimination:
    - 
    412def is_complement(a, b):
-413    return isinstance(b, exp.Not) and b.this == a
+            
    421def is_complement(a, b):
+422    return isinstance(b, exp.Not) and b.this == a
 
    
 
 
@@ -1145,8 +1163,8 @@ elimination:
    - 
    416def is_false(a: exp.Expression) -> bool:
-417    return type(a) is exp.Boolean and not a.this
+            
    425def is_false(a: exp.Expression) -> bool:
+426    return type(a) is exp.Boolean and not a.this
 
    
 
 
@@ -1164,8 +1182,8 @@ elimination:
    - 
    420def is_null(a: exp.Expression) -> bool:
-421    return type(a) is exp.Null
+            
    429def is_null(a: exp.Expression) -> bool:
+430    return type(a) is exp.Null
 
    
 
 
@@ -1183,20 +1201,20 @@ elimination:
    - 
    424def eval_boolean(expression, a, b):
-425    if isinstance(expression, (exp.EQ, exp.Is)):
-426        return boolean_literal(a == b)
-427    if isinstance(expression, exp.NEQ):
-428        return boolean_literal(a != b)
-429    if isinstance(expression, exp.GT):
-430        return boolean_literal(a > b)
-431    if isinstance(expression, exp.GTE):
-432        return boolean_literal(a >= b)
-433    if isinstance(expression, exp.LT):
-434        return boolean_literal(a < b)
-435    if isinstance(expression, exp.LTE):
-436        return boolean_literal(a <= b)
-437    return None
+            
    433def eval_boolean(expression, a, b):
+434    if isinstance(expression, (exp.EQ, exp.Is)):
+435        return boolean_literal(a == b)
+436    if isinstance(expression, exp.NEQ):
+437        return boolean_literal(a != b)
+438    if isinstance(expression, exp.GT):
+439        return boolean_literal(a > b)
+440    if isinstance(expression, exp.GTE):
+441        return boolean_literal(a >= b)
+442    if isinstance(expression, exp.LT):
+443        return boolean_literal(a < b)
+444    if isinstance(expression, exp.LTE):
+445        return boolean_literal(a <= b)
+446    return None
 
    
 
 
@@ -1214,16 +1232,16 @@ elimination:
    - 
    440def extract_date(cast):
-441    # The "fromisoformat" conversion could fail if the cast is used on an identifier,
-442    # so in that case we can't extract the date.
-443    try:
-444        if cast.args["to"].this == exp.DataType.Type.DATE:
-445            return datetime.date.fromisoformat(cast.name)
-446        if cast.args["to"].this == exp.DataType.Type.DATETIME:
-447            return datetime.datetime.fromisoformat(cast.name)
-448    except ValueError:
-449        return None
+            
    449def extract_date(cast):
+450    # The "fromisoformat" conversion could fail if the cast is used on an identifier,
+451    # so in that case we can't extract the date.
+452    try:
+453        if cast.args["to"].this == exp.DataType.Type.DATE:
+454            return datetime.date.fromisoformat(cast.name)
+455        if cast.args["to"].this == exp.DataType.Type.DATETIME:
+456            return datetime.datetime.fromisoformat(cast.name)
+457    except ValueError:
+458        return None
 
    
 
 
@@ -1241,24 +1259,24 @@ elimination:
    - 
    452def extract_interval(interval):
-453    try:
-454        from dateutil.relativedelta import relativedelta  # type: ignore
-455    except ModuleNotFoundError:
-456        return None
-457
-458    n = int(interval.name)
-459    unit = interval.text("unit").lower()
-460
-461    if unit == "year":
-462        return relativedelta(years=n)
-463    if unit == "month":
-464        return relativedelta(months=n)
-465    if unit == "week":
-466        return relativedelta(weeks=n)
-467    if unit == "day":
-468        return relativedelta(days=n)
-469    return None
+            
    461def extract_interval(interval):
+462    try:
+463        from dateutil.relativedelta import relativedelta  # type: ignore
+464    except ModuleNotFoundError:
+465        return None
+466
+467    n = int(interval.name)
+468    unit = interval.text("unit").lower()
+469
+470    if unit == "year":
+471        return relativedelta(years=n)
+472    if unit == "month":
+473        return relativedelta(months=n)
+474    if unit == "week":
+475        return relativedelta(weeks=n)
+476    if unit == "day":
+477        return relativedelta(days=n)
+478    return None
 
    
 
 
@@ -1276,11 +1294,11 @@ elimination:
    - 
    472def date_literal(date):
-473    return exp.cast(
-474        exp.Literal.string(date),
-475        "DATETIME" if isinstance(date, datetime.datetime) else "DATE",
-476    )
+            
    481def date_literal(date):
+482    return exp.cast(
+483        exp.Literal.string(date),
+484        "DATETIME" if isinstance(date, datetime.datetime) else "DATE",
+485    )
 
    
 
 
@@ -1298,8 +1316,8 @@ elimination:
    - 
    479def boolean_literal(condition):
-480    return exp.true() if condition else exp.false()
+            
    488def boolean_literal(condition):
+489    return exp.true() if condition else exp.false()
 
    
 
 
diff --git a/docs/sqlglot/parser.html b/docs/sqlglot/parser.html
index 6c3a0d2..19a6730 100644
--- a/docs/sqlglot/parser.html
+++ b/docs/sqlglot/parser.html
@@ -326,4193 +326,4226 @@
      232        TokenType.IS,
  233        TokenType.ISNULL,
  234        TokenType.INTERVAL,
- 235        TokenType.LAZY,
- 236        TokenType.LEADING,
- 237        TokenType.LEFT,
- 238        TokenType.LOCAL,
- 239        TokenType.MATERIALIZED,
- 240        TokenType.MERGE,
- 241        TokenType.NATURAL,
- 242        TokenType.NEXT,
- 243        TokenType.OFFSET,
- 244        TokenType.ONLY,
- 245        TokenType.OPTIONS,
- 246        TokenType.ORDINALITY,
- 247        TokenType.OVERWRITE,
- 248        TokenType.PARTITION,
- 249        TokenType.PERCENT,
- 250        TokenType.PIVOT,
- 251        TokenType.PRAGMA,
- 252        TokenType.PRECEDING,
- 253        TokenType.RANGE,
- 254        TokenType.REFERENCES,
- 255        TokenType.RIGHT,
- 256        TokenType.ROW,
- 257        TokenType.ROWS,
- 258        TokenType.SEED,
- 259        TokenType.SEMI,
- 260        TokenType.SET,
- 261        TokenType.SHOW,
- 262        TokenType.SORTKEY,
- 263        TokenType.TEMPORARY,
- 264        TokenType.TOP,
- 265        TokenType.TRAILING,
- 266        TokenType.TRUE,
- 267        TokenType.UNBOUNDED,
- 268        TokenType.UNIQUE,
- 269        TokenType.UNLOGGED,
- 270        TokenType.UNPIVOT,
- 271        TokenType.VOLATILE,
- 272        TokenType.WINDOW,
- 273        *CREATABLES,
- 274        *SUBQUERY_PREDICATES,
- 275        *TYPE_TOKENS,
- 276        *NO_PAREN_FUNCTIONS,
- 277    }
- 278
- 279    INTERVAL_VARS = ID_VAR_TOKENS - {TokenType.END}
- 280
- 281    TABLE_ALIAS_TOKENS = ID_VAR_TOKENS - {
- 282        TokenType.APPLY,
- 283        TokenType.FULL,
- 284        TokenType.LEFT,
- 285        TokenType.NATURAL,
- 286        TokenType.OFFSET,
- 287        TokenType.RIGHT,
- 288        TokenType.WINDOW,
- 289    }
- 290
- 291    COMMENT_TABLE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.IS}
- 292
- 293    UPDATE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.SET}
- 294
- 295    TRIM_TYPES = {TokenType.LEADING, TokenType.TRAILING, TokenType.BOTH}
- 296
- 297    FUNC_TOKENS = {
- 298        TokenType.COMMAND,
- 299        TokenType.CURRENT_DATE,
- 300        TokenType.CURRENT_DATETIME,
- 301        TokenType.CURRENT_TIMESTAMP,
- 302        TokenType.CURRENT_TIME,
- 303        TokenType.CURRENT_USER,
- 304        TokenType.FILTER,
- 305        TokenType.FIRST,
- 306        TokenType.FORMAT,
- 307        TokenType.GLOB,
- 308        TokenType.IDENTIFIER,
- 309        TokenType.INDEX,
- 310        TokenType.ISNULL,
- 311        TokenType.ILIKE,
- 312        TokenType.LIKE,
- 313        TokenType.MERGE,
- 314        TokenType.OFFSET,
- 315        TokenType.PRIMARY_KEY,
- 316        TokenType.REPLACE,
- 317        TokenType.ROW,
- 318        TokenType.UNNEST,
- 319        TokenType.VAR,
- 320        TokenType.LEFT,
- 321        TokenType.RIGHT,
- 322        TokenType.DATE,
- 323        TokenType.DATETIME,
- 324        TokenType.TABLE,
- 325        TokenType.TIMESTAMP,
- 326        TokenType.TIMESTAMPTZ,
- 327        TokenType.WINDOW,
- 328        *TYPE_TOKENS,
- 329        *SUBQUERY_PREDICATES,
- 330    }
- 331
- 332    CONJUNCTION = {
- 333        TokenType.AND: exp.And,
- 334        TokenType.OR: exp.Or,
- 335    }
- 336
- 337    EQUALITY = {
- 338        TokenType.EQ: exp.EQ,
- 339        TokenType.NEQ: exp.NEQ,
- 340        TokenType.NULLSAFE_EQ: exp.NullSafeEQ,
- 341    }
- 342
- 343    COMPARISON = {
- 344        TokenType.GT: exp.GT,
- 345        TokenType.GTE: exp.GTE,
- 346        TokenType.LT: exp.LT,
- 347        TokenType.LTE: exp.LTE,
- 348    }
- 349
- 350    BITWISE = {
- 351        TokenType.AMP: exp.BitwiseAnd,
- 352        TokenType.CARET: exp.BitwiseXor,
- 353        TokenType.PIPE: exp.BitwiseOr,
- 354        TokenType.DPIPE: exp.DPipe,
- 355    }
- 356
- 357    TERM = {
- 358        TokenType.DASH: exp.Sub,
- 359        TokenType.PLUS: exp.Add,
- 360        TokenType.MOD: exp.Mod,
- 361        TokenType.COLLATE: exp.Collate,
- 362    }
- 363
- 364    FACTOR = {
- 365        TokenType.DIV: exp.IntDiv,
- 366        TokenType.LR_ARROW: exp.Distance,
- 367        TokenType.SLASH: exp.Div,
- 368        TokenType.STAR: exp.Mul,
- 369    }
- 370
- 371    TIMESTAMPS = {
- 372        TokenType.TIME,
- 373        TokenType.TIMESTAMP,
- 374        TokenType.TIMESTAMPTZ,
- 375        TokenType.TIMESTAMPLTZ,
- 376    }
- 377
- 378    SET_OPERATIONS = {
- 379        TokenType.UNION,
- 380        TokenType.INTERSECT,
- 381        TokenType.EXCEPT,
- 382    }
- 383
- 384    JOIN_SIDES = {
- 385        TokenType.LEFT,
- 386        TokenType.RIGHT,
- 387        TokenType.FULL,
- 388    }
- 389
- 390    JOIN_KINDS = {
- 391        TokenType.INNER,
- 392        TokenType.OUTER,
- 393        TokenType.CROSS,
- 394        TokenType.SEMI,
- 395        TokenType.ANTI,
- 396    }
- 397
- 398    LAMBDAS = {
- 399        TokenType.ARROW: lambda self, expressions: self.expression(
- 400            exp.Lambda,
- 401            this=self._replace_lambda(
- 402                self._parse_conjunction(),
- 403                {node.name for node in expressions},
- 404            ),
- 405            expressions=expressions,
- 406        ),
- 407        TokenType.FARROW: lambda self, expressions: self.expression(
- 408            exp.Kwarg,
- 409            this=exp.Var(this=expressions[0].name),
- 410            expression=self._parse_conjunction(),
- 411        ),
- 412    }
- 413
- 414    COLUMN_OPERATORS = {
- 415        TokenType.DOT: None,
- 416        TokenType.DCOLON: lambda self, this, to: self.expression(
- 417            exp.Cast if self.STRICT_CAST else exp.TryCast,
- 418            this=this,
- 419            to=to,
- 420        ),
- 421        TokenType.ARROW: lambda self, this, path: self.expression(
- 422            exp.JSONExtract,
- 423            this=this,
- 424            expression=path,
- 425        ),
- 426        TokenType.DARROW: lambda self, this, path: self.expression(
- 427            exp.JSONExtractScalar,
- 428            this=this,
- 429            expression=path,
- 430        ),
- 431        TokenType.HASH_ARROW: lambda self, this, path: self.expression(
- 432            exp.JSONBExtract,
- 433            this=this,
- 434            expression=path,
- 435        ),
- 436        TokenType.DHASH_ARROW: lambda self, this, path: self.expression(
- 437            exp.JSONBExtractScalar,
- 438            this=this,
- 439            expression=path,
- 440        ),
- 441        TokenType.PLACEHOLDER: lambda self, this, key: self.expression(
- 442            exp.JSONBContains,
- 443            this=this,
- 444            expression=key,
- 445        ),
- 446    }
- 447
- 448    EXPRESSION_PARSERS = {
- 449        exp.Column: lambda self: self._parse_column(),
- 450        exp.DataType: lambda self: self._parse_types(),
- 451        exp.From: lambda self: self._parse_from(),
- 452        exp.Group: lambda self: self._parse_group(),
- 453        exp.Identifier: lambda self: self._parse_id_var(),
- 454        exp.Lateral: lambda self: self._parse_lateral(),
- 455        exp.Join: lambda self: self._parse_join(),
- 456        exp.Order: lambda self: self._parse_order(),
- 457        exp.Cluster: lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster),
- 458        exp.Sort: lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort),
- 459        exp.Lambda: lambda self: self._parse_lambda(),
- 460        exp.Limit: lambda self: self._parse_limit(),
- 461        exp.Offset: lambda self: self._parse_offset(),
- 462        exp.TableAlias: lambda self: self._parse_table_alias(),
- 463        exp.Table: lambda self: self._parse_table(),
- 464        exp.Condition: lambda self: self._parse_conjunction(),
- 465        exp.Expression: lambda self: self._parse_statement(),
- 466        exp.Properties: lambda self: self._parse_properties(),
- 467        exp.Where: lambda self: self._parse_where(),
- 468        exp.Ordered: lambda self: self._parse_ordered(),
- 469        exp.Having: lambda self: self._parse_having(),
- 470        exp.With: lambda self: self._parse_with(),
- 471        exp.Window: lambda self: self._parse_named_window(),
- 472        exp.Qualify: lambda self: self._parse_qualify(),
- 473        exp.Returning: lambda self: self._parse_returning(),
- 474        "JOIN_TYPE": lambda self: self._parse_join_side_and_kind(),
- 475    }
- 476
- 477    STATEMENT_PARSERS = {
- 478        TokenType.ALTER: lambda self: self._parse_alter(),
- 479        TokenType.BEGIN: lambda self: self._parse_transaction(),
- 480        TokenType.CACHE: lambda self: self._parse_cache(),
- 481        TokenType.COMMIT: lambda self: self._parse_commit_or_rollback(),
- 482        TokenType.COMMENT: lambda self: self._parse_comment(),
- 483        TokenType.CREATE: lambda self: self._parse_create(),
- 484        TokenType.DELETE: lambda self: self._parse_delete(),
- 485        TokenType.DESC: lambda self: self._parse_describe(),
- 486        TokenType.DESCRIBE: lambda self: self._parse_describe(),
- 487        TokenType.DROP: lambda self: self._parse_drop(),
- 488        TokenType.END: lambda self: self._parse_commit_or_rollback(),
- 489        TokenType.INSERT: lambda self: self._parse_insert(),
- 490        TokenType.LOAD_DATA: lambda self: self._parse_load_data(),
- 491        TokenType.MERGE: lambda self: self._parse_merge(),
- 492        TokenType.PRAGMA: lambda self: self.expression(exp.Pragma, this=self._parse_expression()),
- 493        TokenType.ROLLBACK: lambda self: self._parse_commit_or_rollback(),
- 494        TokenType.SET: lambda self: self._parse_set(),
- 495        TokenType.UNCACHE: lambda self: self._parse_uncache(),
- 496        TokenType.UPDATE: lambda self: self._parse_update(),
- 497        TokenType.USE: lambda self: self.expression(
- 498            exp.Use,
- 499            kind=self._match_texts(("ROLE", "WAREHOUSE", "DATABASE", "SCHEMA"))
- 500            and exp.Var(this=self._prev.text),
- 501            this=self._parse_table(schema=False),
- 502        ),
- 503    }
- 504
- 505    UNARY_PARSERS = {
- 506        TokenType.PLUS: lambda self: self._parse_unary(),  # Unary + is handled as a no-op
- 507        TokenType.NOT: lambda self: self.expression(exp.Not, this=self._parse_equality()),
- 508        TokenType.TILDA: lambda self: self.expression(exp.BitwiseNot, this=self._parse_unary()),
- 509        TokenType.DASH: lambda self: self.expression(exp.Neg, this=self._parse_unary()),
- 510    }
- 511
- 512    PRIMARY_PARSERS = {
- 513        TokenType.STRING: lambda self, token: self.expression(
- 514            exp.Literal, this=token.text, is_string=True
- 515        ),
- 516        TokenType.NUMBER: lambda self, token: self.expression(
- 517            exp.Literal, this=token.text, is_string=False
- 518        ),
- 519        TokenType.STAR: lambda self, _: self.expression(
- 520            exp.Star,
- 521            **{"except": self._parse_except(), "replace": self._parse_replace()},
- 522        ),
- 523        TokenType.NULL: lambda self, _: self.expression(exp.Null),
- 524        TokenType.TRUE: lambda self, _: self.expression(exp.Boolean, this=True),
- 525        TokenType.FALSE: lambda self, _: self.expression(exp.Boolean, this=False),
- 526        TokenType.BIT_STRING: lambda self, token: self.expression(exp.BitString, this=token.text),
- 527        TokenType.HEX_STRING: lambda self, token: self.expression(exp.HexString, this=token.text),
- 528        TokenType.BYTE_STRING: lambda self, token: self.expression(exp.ByteString, this=token.text),
- 529        TokenType.INTRODUCER: lambda self, token: self._parse_introducer(token),
- 530        TokenType.NATIONAL: lambda self, token: self._parse_national(token),
- 531        TokenType.SESSION_PARAMETER: lambda self, _: self._parse_session_parameter(),
- 532    }
- 533
- 534    PLACEHOLDER_PARSERS = {
- 535        TokenType.PLACEHOLDER: lambda self: self.expression(exp.Placeholder),
- 536        TokenType.PARAMETER: lambda self: self._parse_parameter(),
- 537        TokenType.COLON: lambda self: self.expression(exp.Placeholder, this=self._prev.text)
- 538        if self._match_set((TokenType.NUMBER, TokenType.VAR))
- 539        else None,
- 540    }
- 541
- 542    RANGE_PARSERS = {
- 543        TokenType.BETWEEN: lambda self, this: self._parse_between(this),
- 544        TokenType.GLOB: binary_range_parser(exp.Glob),
- 545        TokenType.OVERLAPS: binary_range_parser(exp.Overlaps),
- 546        TokenType.IN: lambda self, this: self._parse_in(this),
- 547        TokenType.IS: lambda self, this: self._parse_is(this),
- 548        TokenType.LIKE: binary_range_parser(exp.Like),
- 549        TokenType.ILIKE: binary_range_parser(exp.ILike),
- 550        TokenType.IRLIKE: binary_range_parser(exp.RegexpILike),
- 551        TokenType.RLIKE: binary_range_parser(exp.RegexpLike),
- 552        TokenType.SIMILAR_TO: binary_range_parser(exp.SimilarTo),
- 553    }
- 554
- 555    PROPERTY_PARSERS = {
- 556        "AFTER": lambda self: self._parse_afterjournal(
- 557            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
- 558        ),
- 559        "ALGORITHM": lambda self: self._parse_property_assignment(exp.AlgorithmProperty),
- 560        "AUTO_INCREMENT": lambda self: self._parse_property_assignment(exp.AutoIncrementProperty),
- 561        "BEFORE": lambda self: self._parse_journal(
- 562            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
- 563        ),
- 564        "BLOCKCOMPRESSION": lambda self: self._parse_blockcompression(),
- 565        "CHARACTER SET": lambda self: self._parse_character_set(),
- 566        "CHECKSUM": lambda self: self._parse_checksum(),
- 567        "CLUSTER BY": lambda self: self.expression(
- 568            exp.Cluster, expressions=self._parse_csv(self._parse_ordered)
- 569        ),
- 570        "COLLATE": lambda self: self._parse_property_assignment(exp.CollateProperty),
- 571        "COMMENT": lambda self: self._parse_property_assignment(exp.SchemaCommentProperty),
- 572        "DATABLOCKSIZE": lambda self: self._parse_datablocksize(
- 573            default=self._prev.text.upper() == "DEFAULT"
- 574        ),
- 575        "DEFINER": lambda self: self._parse_definer(),
- 576        "DETERMINISTIC": lambda self: self.expression(
- 577            exp.StabilityProperty, this=exp.Literal.string("IMMUTABLE")
- 578        ),
- 579        "DISTKEY": lambda self: self._parse_distkey(),
- 580        "DISTSTYLE": lambda self: self._parse_property_assignment(exp.DistStyleProperty),
- 581        "EXECUTE": lambda self: self._parse_property_assignment(exp.ExecuteAsProperty),
- 582        "EXTERNAL": lambda self: self.expression(exp.ExternalProperty),
- 583        "FALLBACK": lambda self: self._parse_fallback(no=self._prev.text.upper() == "NO"),
- 584        "FORMAT": lambda self: self._parse_property_assignment(exp.FileFormatProperty),
- 585        "FREESPACE": lambda self: self._parse_freespace(),
- 586        "GLOBAL": lambda self: self._parse_temporary(global_=True),
- 587        "IMMUTABLE": lambda self: self.expression(
- 588            exp.StabilityProperty, this=exp.Literal.string("IMMUTABLE")
- 589        ),
- 590        "JOURNAL": lambda self: self._parse_journal(
- 591            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
- 592        ),
- 593        "LANGUAGE": lambda self: self._parse_property_assignment(exp.LanguageProperty),
- 594        "LIKE": lambda self: self._parse_create_like(),
- 595        "LOCAL": lambda self: self._parse_afterjournal(no=False, dual=False, local=True),
- 596        "LOCATION": lambda self: self._parse_property_assignment(exp.LocationProperty),
- 597        "LOCK": lambda self: self._parse_locking(),
- 598        "LOCKING": lambda self: self._parse_locking(),
- 599        "LOG": lambda self: self._parse_log(no=self._prev.text.upper() == "NO"),
- 600        "MATERIALIZED": lambda self: self.expression(exp.MaterializedProperty),
- 601        "MAX": lambda self: self._parse_datablocksize(),
- 602        "MAXIMUM": lambda self: self._parse_datablocksize(),
- 603        "MERGEBLOCKRATIO": lambda self: self._parse_mergeblockratio(
- 604            no=self._prev.text.upper() == "NO", default=self._prev.text.upper() == "DEFAULT"
- 605        ),
- 606        "MIN": lambda self: self._parse_datablocksize(),
- 607        "MINIMUM": lambda self: self._parse_datablocksize(),
- 608        "MULTISET": lambda self: self.expression(exp.SetProperty, multi=True),
- 609        "NO": lambda self: self._parse_noprimaryindex(),
- 610        "NOT": lambda self: self._parse_afterjournal(no=False, dual=False, local=False),
- 611        "ON": lambda self: self._parse_oncommit(),
- 612        "PARTITION BY": lambda self: self._parse_partitioned_by(),
- 613        "PARTITIONED BY": lambda self: self._parse_partitioned_by(),
- 614        "PARTITIONED_BY": lambda self: self._parse_partitioned_by(),
- 615        "RETURNS": lambda self: self._parse_returns(),
- 616        "ROW": lambda self: self._parse_row(),
- 617        "ROW_FORMAT": lambda self: self._parse_property_assignment(exp.RowFormatProperty),
- 618        "SET": lambda self: self.expression(exp.SetProperty, multi=False),
- 619        "SORTKEY": lambda self: self._parse_sortkey(),
- 620        "STABLE": lambda self: self.expression(
- 621            exp.StabilityProperty, this=exp.Literal.string("STABLE")
- 622        ),
- 623        "STORED": lambda self: self._parse_stored(),
- 624        "TABLE_FORMAT": lambda self: self._parse_property_assignment(exp.TableFormatProperty),
- 625        "TBLPROPERTIES": lambda self: self._parse_wrapped_csv(self._parse_property),
- 626        "TEMP": lambda self: self._parse_temporary(global_=False),
- 627        "TEMPORARY": lambda self: self._parse_temporary(global_=False),
- 628        "TRANSIENT": lambda self: self.expression(exp.TransientProperty),
- 629        "USING": lambda self: self._parse_property_assignment(exp.TableFormatProperty),
- 630        "VOLATILE": lambda self: self._parse_volatile_property(),
- 631        "WITH": lambda self: self._parse_with_property(),
- 632    }
- 633
- 634    CONSTRAINT_PARSERS = {
- 635        "AUTOINCREMENT": lambda self: self._parse_auto_increment(),
- 636        "AUTO_INCREMENT": lambda self: self._parse_auto_increment(),
- 637        "CASESPECIFIC": lambda self: self.expression(exp.CaseSpecificColumnConstraint, not_=False),
- 638        "CHARACTER SET": lambda self: self.expression(
- 639            exp.CharacterSetColumnConstraint, this=self._parse_var_or_string()
- 640        ),
- 641        "CHECK": lambda self: self.expression(
- 642            exp.CheckColumnConstraint, this=self._parse_wrapped(self._parse_conjunction)
- 643        ),
- 644        "COLLATE": lambda self: self.expression(
- 645            exp.CollateColumnConstraint, this=self._parse_var()
- 646        ),
- 647        "COMMENT": lambda self: self.expression(
- 648            exp.CommentColumnConstraint, this=self._parse_string()
- 649        ),
- 650        "COMPRESS": lambda self: self._parse_compress(),
- 651        "DEFAULT": lambda self: self.expression(
- 652            exp.DefaultColumnConstraint, this=self._parse_bitwise()
- 653        ),
- 654        "ENCODE": lambda self: self.expression(exp.EncodeColumnConstraint, this=self._parse_var()),
- 655        "FOREIGN KEY": lambda self: self._parse_foreign_key(),
- 656        "FORMAT": lambda self: self.expression(
- 657            exp.DateFormatColumnConstraint, this=self._parse_var_or_string()
- 658        ),
- 659        "GENERATED": lambda self: self._parse_generated_as_identity(),
- 660        "IDENTITY": lambda self: self._parse_auto_increment(),
- 661        "INLINE": lambda self: self._parse_inline(),
- 662        "LIKE": lambda self: self._parse_create_like(),
- 663        "NOT": lambda self: self._parse_not_constraint(),
- 664        "NULL": lambda self: self.expression(exp.NotNullColumnConstraint, allow_null=True),
- 665        "ON": lambda self: self._match(TokenType.UPDATE)
- 666        and self.expression(exp.OnUpdateColumnConstraint, this=self._parse_function()),
- 667        "PATH": lambda self: self.expression(exp.PathColumnConstraint, this=self._parse_string()),
- 668        "PRIMARY KEY": lambda self: self._parse_primary_key(),
- 669        "REFERENCES": lambda self: self._parse_references(match=False),
- 670        "TITLE": lambda self: self.expression(
- 671            exp.TitleColumnConstraint, this=self._parse_var_or_string()
- 672        ),
- 673        "UNIQUE": lambda self: self._parse_unique(),
- 674        "UPPERCASE": lambda self: self.expression(exp.UppercaseColumnConstraint),
- 675    }
- 676
- 677    ALTER_PARSERS = {
- 678        "ADD": lambda self: self._parse_alter_table_add(),
- 679        "ALTER": lambda self: self._parse_alter_table_alter(),
- 680        "DELETE": lambda self: self.expression(exp.Delete, where=self._parse_where()),
- 681        "DROP": lambda self: self._parse_alter_table_drop(),
- 682        "RENAME": lambda self: self._parse_alter_table_rename(),
- 683    }
- 684
- 685    SCHEMA_UNNAMED_CONSTRAINTS = {"CHECK", "FOREIGN KEY", "LIKE", "PRIMARY KEY", "UNIQUE"}
- 686
- 687    NO_PAREN_FUNCTION_PARSERS = {
- 688        TokenType.CASE: lambda self: self._parse_case(),
- 689        TokenType.IF: lambda self: self._parse_if(),
- 690        TokenType.ANY: lambda self: self.expression(exp.Any, this=self._parse_bitwise()),
- 691    }
- 692
- 693    FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
- 694        "CAST": lambda self: self._parse_cast(self.STRICT_CAST),
- 695        "CONVERT": lambda self: self._parse_convert(self.STRICT_CAST),
- 696        "DECODE": lambda self: self._parse_decode(),
- 697        "EXTRACT": lambda self: self._parse_extract(),
- 698        "JSON_OBJECT": lambda self: self._parse_json_object(),
- 699        "LOG": lambda self: self._parse_logarithm(),
- 700        "MATCH": lambda self: self._parse_match_against(),
- 701        "POSITION": lambda self: self._parse_position(),
- 702        "STRING_AGG": lambda self: self._parse_string_agg(),
- 703        "SUBSTRING": lambda self: self._parse_substring(),
- 704        "TRIM": lambda self: self._parse_trim(),
- 705        "TRY_CAST": lambda self: self._parse_cast(False),
- 706        "TRY_CONVERT": lambda self: self._parse_convert(False),
- 707    }
- 708
- 709    QUERY_MODIFIER_PARSERS = {
- 710        "match": lambda self: self._parse_match_recognize(),
- 711        "where": lambda self: self._parse_where(),
- 712        "group": lambda self: self._parse_group(),
- 713        "having": lambda self: self._parse_having(),
- 714        "qualify": lambda self: self._parse_qualify(),
- 715        "windows": lambda self: self._parse_window_clause(),
- 716        "distribute": lambda self: self._parse_sort(TokenType.DISTRIBUTE_BY, exp.Distribute),
- 717        "sort": lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort),
- 718        "cluster": lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster),
- 719        "order": lambda self: self._parse_order(),
- 720        "limit": lambda self: self._parse_limit(),
- 721        "offset": lambda self: self._parse_offset(),
- 722        "lock": lambda self: self._parse_lock(),
- 723        "sample": lambda self: self._parse_table_sample(as_modifier=True),
- 724    }
- 725
- 726    SET_PARSERS = {
- 727        "GLOBAL": lambda self: self._parse_set_item_assignment("GLOBAL"),
- 728        "LOCAL": lambda self: self._parse_set_item_assignment("LOCAL"),
- 729        "SESSION": lambda self: self._parse_set_item_assignment("SESSION"),
- 730        "TRANSACTION": lambda self: self._parse_set_transaction(),
- 731    }
- 732
- 733    SHOW_PARSERS: t.Dict[str, t.Callable] = {}
- 734
- 735    TYPE_LITERAL_PARSERS: t.Dict[exp.DataType.Type, t.Callable] = {}
- 736
- 737    MODIFIABLES = (exp.Subquery, exp.Subqueryable, exp.Table)
+ 235        TokenType.KEEP,
+ 236        TokenType.LAZY,
+ 237        TokenType.LEADING,
+ 238        TokenType.LEFT,
+ 239        TokenType.LOCAL,
+ 240        TokenType.MATERIALIZED,
+ 241        TokenType.MERGE,
+ 242        TokenType.NATURAL,
+ 243        TokenType.NEXT,
+ 244        TokenType.OFFSET,
+ 245        TokenType.ONLY,
+ 246        TokenType.OPTIONS,
+ 247        TokenType.ORDINALITY,
+ 248        TokenType.OVERWRITE,
+ 249        TokenType.PARTITION,
+ 250        TokenType.PERCENT,
+ 251        TokenType.PIVOT,
+ 252        TokenType.PRAGMA,
+ 253        TokenType.PRECEDING,
+ 254        TokenType.RANGE,
+ 255        TokenType.REFERENCES,
+ 256        TokenType.RIGHT,
+ 257        TokenType.ROW,
+ 258        TokenType.ROWS,
+ 259        TokenType.SEED,
+ 260        TokenType.SEMI,
+ 261        TokenType.SET,
+ 262        TokenType.SHOW,
+ 263        TokenType.SORTKEY,
+ 264        TokenType.TEMPORARY,
+ 265        TokenType.TOP,
+ 266        TokenType.TRAILING,
+ 267        TokenType.TRUE,
+ 268        TokenType.UNBOUNDED,
+ 269        TokenType.UNIQUE,
+ 270        TokenType.UNLOGGED,
+ 271        TokenType.UNPIVOT,
+ 272        TokenType.VOLATILE,
+ 273        TokenType.WINDOW,
+ 274        *CREATABLES,
+ 275        *SUBQUERY_PREDICATES,
+ 276        *TYPE_TOKENS,
+ 277        *NO_PAREN_FUNCTIONS,
+ 278    }
+ 279
+ 280    INTERVAL_VARS = ID_VAR_TOKENS - {TokenType.END}
+ 281
+ 282    TABLE_ALIAS_TOKENS = ID_VAR_TOKENS - {
+ 283        TokenType.APPLY,
+ 284        TokenType.FULL,
+ 285        TokenType.LEFT,
+ 286        TokenType.NATURAL,
+ 287        TokenType.OFFSET,
+ 288        TokenType.RIGHT,
+ 289        TokenType.WINDOW,
+ 290    }
+ 291
+ 292    COMMENT_TABLE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.IS}
+ 293
+ 294    UPDATE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.SET}
+ 295
+ 296    TRIM_TYPES = {TokenType.LEADING, TokenType.TRAILING, TokenType.BOTH}
+ 297
+ 298    FUNC_TOKENS = {
+ 299        TokenType.COMMAND,
+ 300        TokenType.CURRENT_DATE,
+ 301        TokenType.CURRENT_DATETIME,
+ 302        TokenType.CURRENT_TIMESTAMP,
+ 303        TokenType.CURRENT_TIME,
+ 304        TokenType.CURRENT_USER,
+ 305        TokenType.FILTER,
+ 306        TokenType.FIRST,
+ 307        TokenType.FORMAT,
+ 308        TokenType.GLOB,
+ 309        TokenType.IDENTIFIER,
+ 310        TokenType.INDEX,
+ 311        TokenType.ISNULL,
+ 312        TokenType.ILIKE,
+ 313        TokenType.LIKE,
+ 314        TokenType.MERGE,
+ 315        TokenType.OFFSET,
+ 316        TokenType.PRIMARY_KEY,
+ 317        TokenType.REPLACE,
+ 318        TokenType.ROW,
+ 319        TokenType.UNNEST,
+ 320        TokenType.VAR,
+ 321        TokenType.LEFT,
+ 322        TokenType.RIGHT,
+ 323        TokenType.DATE,
+ 324        TokenType.DATETIME,
+ 325        TokenType.TABLE,
+ 326        TokenType.TIMESTAMP,
+ 327        TokenType.TIMESTAMPTZ,
+ 328        TokenType.WINDOW,
+ 329        *TYPE_TOKENS,
+ 330        *SUBQUERY_PREDICATES,
+ 331    }
+ 332
+ 333    CONJUNCTION = {
+ 334        TokenType.AND: exp.And,
+ 335        TokenType.OR: exp.Or,
+ 336    }
+ 337
+ 338    EQUALITY = {
+ 339        TokenType.EQ: exp.EQ,
+ 340        TokenType.NEQ: exp.NEQ,
+ 341        TokenType.NULLSAFE_EQ: exp.NullSafeEQ,
+ 342    }
+ 343
+ 344    COMPARISON = {
+ 345        TokenType.GT: exp.GT,
+ 346        TokenType.GTE: exp.GTE,
+ 347        TokenType.LT: exp.LT,
+ 348        TokenType.LTE: exp.LTE,
+ 349    }
+ 350
+ 351    BITWISE = {
+ 352        TokenType.AMP: exp.BitwiseAnd,
+ 353        TokenType.CARET: exp.BitwiseXor,
+ 354        TokenType.PIPE: exp.BitwiseOr,
+ 355        TokenType.DPIPE: exp.DPipe,
+ 356    }
+ 357
+ 358    TERM = {
+ 359        TokenType.DASH: exp.Sub,
+ 360        TokenType.PLUS: exp.Add,
+ 361        TokenType.MOD: exp.Mod,
+ 362        TokenType.COLLATE: exp.Collate,
+ 363    }
+ 364
+ 365    FACTOR = {
+ 366        TokenType.DIV: exp.IntDiv,
+ 367        TokenType.LR_ARROW: exp.Distance,
+ 368        TokenType.SLASH: exp.Div,
+ 369        TokenType.STAR: exp.Mul,
+ 370    }
+ 371
+ 372    TIMESTAMPS = {
+ 373        TokenType.TIME,
+ 374        TokenType.TIMESTAMP,
+ 375        TokenType.TIMESTAMPTZ,
+ 376        TokenType.TIMESTAMPLTZ,
+ 377    }
+ 378
+ 379    SET_OPERATIONS = {
+ 380        TokenType.UNION,
+ 381        TokenType.INTERSECT,
+ 382        TokenType.EXCEPT,
+ 383    }
+ 384
+ 385    JOIN_SIDES = {
+ 386        TokenType.LEFT,
+ 387        TokenType.RIGHT,
+ 388        TokenType.FULL,
+ 389    }
+ 390
+ 391    JOIN_KINDS = {
+ 392        TokenType.INNER,
+ 393        TokenType.OUTER,
+ 394        TokenType.CROSS,
+ 395        TokenType.SEMI,
+ 396        TokenType.ANTI,
+ 397    }
+ 398
+ 399    LAMBDAS = {
+ 400        TokenType.ARROW: lambda self, expressions: self.expression(
+ 401            exp.Lambda,
+ 402            this=self._replace_lambda(
+ 403                self._parse_conjunction(),
+ 404                {node.name for node in expressions},
+ 405            ),
+ 406            expressions=expressions,
+ 407        ),
+ 408        TokenType.FARROW: lambda self, expressions: self.expression(
+ 409            exp.Kwarg,
+ 410            this=exp.Var(this=expressions[0].name),
+ 411            expression=self._parse_conjunction(),
+ 412        ),
+ 413    }
+ 414
+ 415    COLUMN_OPERATORS = {
+ 416        TokenType.DOT: None,
+ 417        TokenType.DCOLON: lambda self, this, to: self.expression(
+ 418            exp.Cast if self.STRICT_CAST else exp.TryCast,
+ 419            this=this,
+ 420            to=to,
+ 421        ),
+ 422        TokenType.ARROW: lambda self, this, path: self.expression(
+ 423            exp.JSONExtract,
+ 424            this=this,
+ 425            expression=path,
+ 426        ),
+ 427        TokenType.DARROW: lambda self, this, path: self.expression(
+ 428            exp.JSONExtractScalar,
+ 429            this=this,
+ 430            expression=path,
+ 431        ),
+ 432        TokenType.HASH_ARROW: lambda self, this, path: self.expression(
+ 433            exp.JSONBExtract,
+ 434            this=this,
+ 435            expression=path,
+ 436        ),
+ 437        TokenType.DHASH_ARROW: lambda self, this, path: self.expression(
+ 438            exp.JSONBExtractScalar,
+ 439            this=this,
+ 440            expression=path,
+ 441        ),
+ 442        TokenType.PLACEHOLDER: lambda self, this, key: self.expression(
+ 443            exp.JSONBContains,
+ 444            this=this,
+ 445            expression=key,
+ 446        ),
+ 447    }
+ 448
+ 449    EXPRESSION_PARSERS = {
+ 450        exp.Column: lambda self: self._parse_column(),
+ 451        exp.DataType: lambda self: self._parse_types(),
+ 452        exp.From: lambda self: self._parse_from(),
+ 453        exp.Group: lambda self: self._parse_group(),
+ 454        exp.Identifier: lambda self: self._parse_id_var(),
+ 455        exp.Lateral: lambda self: self._parse_lateral(),
+ 456        exp.Join: lambda self: self._parse_join(),
+ 457        exp.Order: lambda self: self._parse_order(),
+ 458        exp.Cluster: lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster),
+ 459        exp.Sort: lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort),
+ 460        exp.Lambda: lambda self: self._parse_lambda(),
+ 461        exp.Limit: lambda self: self._parse_limit(),
+ 462        exp.Offset: lambda self: self._parse_offset(),
+ 463        exp.TableAlias: lambda self: self._parse_table_alias(),
+ 464        exp.Table: lambda self: self._parse_table(),
+ 465        exp.Condition: lambda self: self._parse_conjunction(),
+ 466        exp.Expression: lambda self: self._parse_statement(),
+ 467        exp.Properties: lambda self: self._parse_properties(),
+ 468        exp.Where: lambda self: self._parse_where(),
+ 469        exp.Ordered: lambda self: self._parse_ordered(),
+ 470        exp.Having: lambda self: self._parse_having(),
+ 471        exp.With: lambda self: self._parse_with(),
+ 472        exp.Window: lambda self: self._parse_named_window(),
+ 473        exp.Qualify: lambda self: self._parse_qualify(),
+ 474        exp.Returning: lambda self: self._parse_returning(),
+ 475        "JOIN_TYPE": lambda self: self._parse_join_side_and_kind(),
+ 476    }
+ 477
+ 478    STATEMENT_PARSERS = {
+ 479        TokenType.ALTER: lambda self: self._parse_alter(),
+ 480        TokenType.BEGIN: lambda self: self._parse_transaction(),
+ 481        TokenType.CACHE: lambda self: self._parse_cache(),
+ 482        TokenType.COMMIT: lambda self: self._parse_commit_or_rollback(),
+ 483        TokenType.COMMENT: lambda self: self._parse_comment(),
+ 484        TokenType.CREATE: lambda self: self._parse_create(),
+ 485        TokenType.DELETE: lambda self: self._parse_delete(),
+ 486        TokenType.DESC: lambda self: self._parse_describe(),
+ 487        TokenType.DESCRIBE: lambda self: self._parse_describe(),
+ 488        TokenType.DROP: lambda self: self._parse_drop(),
+ 489        TokenType.END: lambda self: self._parse_commit_or_rollback(),
+ 490        TokenType.INSERT: lambda self: self._parse_insert(),
+ 491        TokenType.LOAD_DATA: lambda self: self._parse_load_data(),
+ 492        TokenType.MERGE: lambda self: self._parse_merge(),
+ 493        TokenType.PRAGMA: lambda self: self.expression(exp.Pragma, this=self._parse_expression()),
+ 494        TokenType.ROLLBACK: lambda self: self._parse_commit_or_rollback(),
+ 495        TokenType.SET: lambda self: self._parse_set(),
+ 496        TokenType.UNCACHE: lambda self: self._parse_uncache(),
+ 497        TokenType.UPDATE: lambda self: self._parse_update(),
+ 498        TokenType.USE: lambda self: self.expression(
+ 499            exp.Use,
+ 500            kind=self._match_texts(("ROLE", "WAREHOUSE", "DATABASE", "SCHEMA"))
+ 501            and exp.Var(this=self._prev.text),
+ 502            this=self._parse_table(schema=False),
+ 503        ),
+ 504    }
+ 505
+ 506    UNARY_PARSERS = {
+ 507        TokenType.PLUS: lambda self: self._parse_unary(),  # Unary + is handled as a no-op
+ 508        TokenType.NOT: lambda self: self.expression(exp.Not, this=self._parse_equality()),
+ 509        TokenType.TILDA: lambda self: self.expression(exp.BitwiseNot, this=self._parse_unary()),
+ 510        TokenType.DASH: lambda self: self.expression(exp.Neg, this=self._parse_unary()),
+ 511    }
+ 512
+ 513    PRIMARY_PARSERS = {
+ 514        TokenType.STRING: lambda self, token: self.expression(
+ 515            exp.Literal, this=token.text, is_string=True
+ 516        ),
+ 517        TokenType.NUMBER: lambda self, token: self.expression(
+ 518            exp.Literal, this=token.text, is_string=False
+ 519        ),
+ 520        TokenType.STAR: lambda self, _: self.expression(
+ 521            exp.Star,
+ 522            **{"except": self._parse_except(), "replace": self._parse_replace()},
+ 523        ),
+ 524        TokenType.NULL: lambda self, _: self.expression(exp.Null),
+ 525        TokenType.TRUE: lambda self, _: self.expression(exp.Boolean, this=True),
+ 526        TokenType.FALSE: lambda self, _: self.expression(exp.Boolean, this=False),
+ 527        TokenType.BIT_STRING: lambda self, token: self.expression(exp.BitString, this=token.text),
+ 528        TokenType.HEX_STRING: lambda self, token: self.expression(exp.HexString, this=token.text),
+ 529        TokenType.BYTE_STRING: lambda self, token: self.expression(exp.ByteString, this=token.text),
+ 530        TokenType.INTRODUCER: lambda self, token: self._parse_introducer(token),
+ 531        TokenType.NATIONAL: lambda self, token: self._parse_national(token),
+ 532        TokenType.SESSION_PARAMETER: lambda self, _: self._parse_session_parameter(),
+ 533    }
+ 534
+ 535    PLACEHOLDER_PARSERS = {
+ 536        TokenType.PLACEHOLDER: lambda self: self.expression(exp.Placeholder),
+ 537        TokenType.PARAMETER: lambda self: self._parse_parameter(),
+ 538        TokenType.COLON: lambda self: self.expression(exp.Placeholder, this=self._prev.text)
+ 539        if self._match_set((TokenType.NUMBER, TokenType.VAR))
+ 540        else None,
+ 541    }
+ 542
+ 543    RANGE_PARSERS = {
+ 544        TokenType.BETWEEN: lambda self, this: self._parse_between(this),
+ 545        TokenType.GLOB: binary_range_parser(exp.Glob),
+ 546        TokenType.OVERLAPS: binary_range_parser(exp.Overlaps),
+ 547        TokenType.IN: lambda self, this: self._parse_in(this),
+ 548        TokenType.IS: lambda self, this: self._parse_is(this),
+ 549        TokenType.LIKE: binary_range_parser(exp.Like),
+ 550        TokenType.ILIKE: binary_range_parser(exp.ILike),
+ 551        TokenType.IRLIKE: binary_range_parser(exp.RegexpILike),
+ 552        TokenType.RLIKE: binary_range_parser(exp.RegexpLike),
+ 553        TokenType.SIMILAR_TO: binary_range_parser(exp.SimilarTo),
+ 554    }
+ 555
+ 556    PROPERTY_PARSERS = {
+ 557        "AFTER": lambda self: self._parse_afterjournal(
+ 558            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
+ 559        ),
+ 560        "ALGORITHM": lambda self: self._parse_property_assignment(exp.AlgorithmProperty),
+ 561        "AUTO_INCREMENT": lambda self: self._parse_property_assignment(exp.AutoIncrementProperty),
+ 562        "BEFORE": lambda self: self._parse_journal(
+ 563            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
+ 564        ),
+ 565        "BLOCKCOMPRESSION": lambda self: self._parse_blockcompression(),
+ 566        "CHARACTER SET": lambda self: self._parse_character_set(),
+ 567        "CHECKSUM": lambda self: self._parse_checksum(),
+ 568        "CLUSTER BY": lambda self: self.expression(
+ 569            exp.Cluster, expressions=self._parse_csv(self._parse_ordered)
+ 570        ),
+ 571        "COLLATE": lambda self: self._parse_property_assignment(exp.CollateProperty),
+ 572        "COMMENT": lambda self: self._parse_property_assignment(exp.SchemaCommentProperty),
+ 573        "DATABLOCKSIZE": lambda self: self._parse_datablocksize(
+ 574            default=self._prev.text.upper() == "DEFAULT"
+ 575        ),
+ 576        "DEFINER": lambda self: self._parse_definer(),
+ 577        "DETERMINISTIC": lambda self: self.expression(
+ 578            exp.StabilityProperty, this=exp.Literal.string("IMMUTABLE")
+ 579        ),
+ 580        "DISTKEY": lambda self: self._parse_distkey(),
+ 581        "DISTSTYLE": lambda self: self._parse_property_assignment(exp.DistStyleProperty),
+ 582        "EXECUTE": lambda self: self._parse_property_assignment(exp.ExecuteAsProperty),
+ 583        "EXTERNAL": lambda self: self.expression(exp.ExternalProperty),
+ 584        "FALLBACK": lambda self: self._parse_fallback(no=self._prev.text.upper() == "NO"),
+ 585        "FORMAT": lambda self: self._parse_property_assignment(exp.FileFormatProperty),
+ 586        "FREESPACE": lambda self: self._parse_freespace(),
+ 587        "GLOBAL": lambda self: self._parse_temporary(global_=True),
+ 588        "IMMUTABLE": lambda self: self.expression(
+ 589            exp.StabilityProperty, this=exp.Literal.string("IMMUTABLE")
+ 590        ),
+ 591        "JOURNAL": lambda self: self._parse_journal(
+ 592            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
+ 593        ),
+ 594        "LANGUAGE": lambda self: self._parse_property_assignment(exp.LanguageProperty),
+ 595        "LIKE": lambda self: self._parse_create_like(),
+ 596        "LOCAL": lambda self: self._parse_afterjournal(no=False, dual=False, local=True),
+ 597        "LOCATION": lambda self: self._parse_property_assignment(exp.LocationProperty),
+ 598        "LOCK": lambda self: self._parse_locking(),
+ 599        "LOCKING": lambda self: self._parse_locking(),
+ 600        "LOG": lambda self: self._parse_log(no=self._prev.text.upper() == "NO"),
+ 601        "MATERIALIZED": lambda self: self.expression(exp.MaterializedProperty),
+ 602        "MAX": lambda self: self._parse_datablocksize(),
+ 603        "MAXIMUM": lambda self: self._parse_datablocksize(),
+ 604        "MERGEBLOCKRATIO": lambda self: self._parse_mergeblockratio(
+ 605            no=self._prev.text.upper() == "NO", default=self._prev.text.upper() == "DEFAULT"
+ 606        ),
+ 607        "MIN": lambda self: self._parse_datablocksize(),
+ 608        "MINIMUM": lambda self: self._parse_datablocksize(),
+ 609        "MULTISET": lambda self: self.expression(exp.SetProperty, multi=True),
+ 610        "NO": lambda self: self._parse_noprimaryindex(),
+ 611        "NOT": lambda self: self._parse_afterjournal(no=False, dual=False, local=False),
+ 612        "ON": lambda self: self._parse_oncommit(),
+ 613        "PARTITION BY": lambda self: self._parse_partitioned_by(),
+ 614        "PARTITIONED BY": lambda self: self._parse_partitioned_by(),
+ 615        "PARTITIONED_BY": lambda self: self._parse_partitioned_by(),
+ 616        "RETURNS": lambda self: self._parse_returns(),
+ 617        "ROW": lambda self: self._parse_row(),
+ 618        "ROW_FORMAT": lambda self: self._parse_property_assignment(exp.RowFormatProperty),
+ 619        "SET": lambda self: self.expression(exp.SetProperty, multi=False),
+ 620        "SORTKEY": lambda self: self._parse_sortkey(),
+ 621        "STABLE": lambda self: self.expression(
+ 622            exp.StabilityProperty, this=exp.Literal.string("STABLE")
+ 623        ),
+ 624        "STORED": lambda self: self._parse_stored(),
+ 625        "TABLE_FORMAT": lambda self: self._parse_property_assignment(exp.TableFormatProperty),
+ 626        "TBLPROPERTIES": lambda self: self._parse_wrapped_csv(self._parse_property),
+ 627        "TEMP": lambda self: self._parse_temporary(global_=False),
+ 628        "TEMPORARY": lambda self: self._parse_temporary(global_=False),
+ 629        "TRANSIENT": lambda self: self.expression(exp.TransientProperty),
+ 630        "USING": lambda self: self._parse_property_assignment(exp.TableFormatProperty),
+ 631        "VOLATILE": lambda self: self._parse_volatile_property(),
+ 632        "WITH": lambda self: self._parse_with_property(),
+ 633    }
+ 634
+ 635    CONSTRAINT_PARSERS = {
+ 636        "AUTOINCREMENT": lambda self: self._parse_auto_increment(),
+ 637        "AUTO_INCREMENT": lambda self: self._parse_auto_increment(),
+ 638        "CASESPECIFIC": lambda self: self.expression(exp.CaseSpecificColumnConstraint, not_=False),
+ 639        "CHARACTER SET": lambda self: self.expression(
+ 640            exp.CharacterSetColumnConstraint, this=self._parse_var_or_string()
+ 641        ),
+ 642        "CHECK": lambda self: self.expression(
+ 643            exp.CheckColumnConstraint, this=self._parse_wrapped(self._parse_conjunction)
+ 644        ),
+ 645        "COLLATE": lambda self: self.expression(
+ 646            exp.CollateColumnConstraint, this=self._parse_var()
+ 647        ),
+ 648        "COMMENT": lambda self: self.expression(
+ 649            exp.CommentColumnConstraint, this=self._parse_string()
+ 650        ),
+ 651        "COMPRESS": lambda self: self._parse_compress(),
+ 652        "DEFAULT": lambda self: self.expression(
+ 653            exp.DefaultColumnConstraint, this=self._parse_bitwise()
+ 654        ),
+ 655        "ENCODE": lambda self: self.expression(exp.EncodeColumnConstraint, this=self._parse_var()),
+ 656        "FOREIGN KEY": lambda self: self._parse_foreign_key(),
+ 657        "FORMAT": lambda self: self.expression(
+ 658            exp.DateFormatColumnConstraint, this=self._parse_var_or_string()
+ 659        ),
+ 660        "GENERATED": lambda self: self._parse_generated_as_identity(),
+ 661        "IDENTITY": lambda self: self._parse_auto_increment(),
+ 662        "INLINE": lambda self: self._parse_inline(),
+ 663        "LIKE": lambda self: self._parse_create_like(),
+ 664        "NOT": lambda self: self._parse_not_constraint(),
+ 665        "NULL": lambda self: self.expression(exp.NotNullColumnConstraint, allow_null=True),
+ 666        "ON": lambda self: self._match(TokenType.UPDATE)
+ 667        and self.expression(exp.OnUpdateColumnConstraint, this=self._parse_function()),
+ 668        "PATH": lambda self: self.expression(exp.PathColumnConstraint, this=self._parse_string()),
+ 669        "PRIMARY KEY": lambda self: self._parse_primary_key(),
+ 670        "REFERENCES": lambda self: self._parse_references(match=False),
+ 671        "TITLE": lambda self: self.expression(
+ 672            exp.TitleColumnConstraint, this=self._parse_var_or_string()
+ 673        ),
+ 674        "UNIQUE": lambda self: self._parse_unique(),
+ 675        "UPPERCASE": lambda self: self.expression(exp.UppercaseColumnConstraint),
+ 676    }
+ 677
+ 678    ALTER_PARSERS = {
+ 679        "ADD": lambda self: self._parse_alter_table_add(),
+ 680        "ALTER": lambda self: self._parse_alter_table_alter(),
+ 681        "DELETE": lambda self: self.expression(exp.Delete, where=self._parse_where()),
+ 682        "DROP": lambda self: self._parse_alter_table_drop(),
+ 683        "RENAME": lambda self: self._parse_alter_table_rename(),
+ 684    }
+ 685
+ 686    SCHEMA_UNNAMED_CONSTRAINTS = {"CHECK", "FOREIGN KEY", "LIKE", "PRIMARY KEY", "UNIQUE"}
+ 687
+ 688    NO_PAREN_FUNCTION_PARSERS = {
+ 689        TokenType.ANY: lambda self: self.expression(exp.Any, this=self._parse_bitwise()),
+ 690        TokenType.CASE: lambda self: self._parse_case(),
+ 691        TokenType.IF: lambda self: self._parse_if(),
+ 692        TokenType.NEXT_VALUE_FOR: lambda self: self.expression(
+ 693            exp.NextValueFor,
+ 694            this=self._parse_column(),
+ 695            order=self._match(TokenType.OVER) and self._parse_wrapped(self._parse_order),
+ 696        ),
+ 697    }
+ 698
+ 699    FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
+ 700        "CAST": lambda self: self._parse_cast(self.STRICT_CAST),
+ 701        "CONVERT": lambda self: self._parse_convert(self.STRICT_CAST),
+ 702        "DECODE": lambda self: self._parse_decode(),
+ 703        "EXTRACT": lambda self: self._parse_extract(),
+ 704        "JSON_OBJECT": lambda self: self._parse_json_object(),
+ 705        "LOG": lambda self: self._parse_logarithm(),
+ 706        "MATCH": lambda self: self._parse_match_against(),
+ 707        "POSITION": lambda self: self._parse_position(),
+ 708        "STRING_AGG": lambda self: self._parse_string_agg(),
+ 709        "SUBSTRING": lambda self: self._parse_substring(),
+ 710        "TRIM": lambda self: self._parse_trim(),
+ 711        "TRY_CAST": lambda self: self._parse_cast(False),
+ 712        "TRY_CONVERT": lambda self: self._parse_convert(False),
+ 713    }
+ 714
+ 715    QUERY_MODIFIER_PARSERS = {
+ 716        "match": lambda self: self._parse_match_recognize(),
+ 717        "where": lambda self: self._parse_where(),
+ 718        "group": lambda self: self._parse_group(),
+ 719        "having": lambda self: self._parse_having(),
+ 720        "qualify": lambda self: self._parse_qualify(),
+ 721        "windows": lambda self: self._parse_window_clause(),
+ 722        "distribute": lambda self: self._parse_sort(TokenType.DISTRIBUTE_BY, exp.Distribute),
+ 723        "sort": lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort),
+ 724        "cluster": lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster),
+ 725        "order": lambda self: self._parse_order(),
+ 726        "limit": lambda self: self._parse_limit(),
+ 727        "offset": lambda self: self._parse_offset(),
+ 728        "lock": lambda self: self._parse_lock(),
+ 729        "sample": lambda self: self._parse_table_sample(as_modifier=True),
+ 730    }
+ 731
+ 732    SET_PARSERS = {
+ 733        "GLOBAL": lambda self: self._parse_set_item_assignment("GLOBAL"),
+ 734        "LOCAL": lambda self: self._parse_set_item_assignment("LOCAL"),
+ 735        "SESSION": lambda self: self._parse_set_item_assignment("SESSION"),
+ 736        "TRANSACTION": lambda self: self._parse_set_transaction(),
+ 737    }
  738
- 739    TRANSACTION_KIND = {"DEFERRED", "IMMEDIATE", "EXCLUSIVE"}
+ 739    SHOW_PARSERS: t.Dict[str, t.Callable] = {}
  740
- 741    TRANSACTION_CHARACTERISTICS = {
- 742        "ISOLATION LEVEL REPEATABLE READ",
- 743        "ISOLATION LEVEL READ COMMITTED",
- 744        "ISOLATION LEVEL READ UNCOMMITTED",
- 745        "ISOLATION LEVEL SERIALIZABLE",
- 746        "READ WRITE",
- 747        "READ ONLY",
- 748    }
- 749
- 750    INSERT_ALTERNATIVES = {"ABORT", "FAIL", "IGNORE", "REPLACE", "ROLLBACK"}
- 751
- 752    WINDOW_ALIAS_TOKENS = ID_VAR_TOKENS - {TokenType.ROWS}
- 753
- 754    ADD_CONSTRAINT_TOKENS = {TokenType.CONSTRAINT, TokenType.PRIMARY_KEY, TokenType.FOREIGN_KEY}
+ 741    TYPE_LITERAL_PARSERS: t.Dict[exp.DataType.Type, t.Callable] = {}
+ 742
+ 743    MODIFIABLES = (exp.Subquery, exp.Subqueryable, exp.Table)
+ 744
+ 745    TRANSACTION_KIND = {"DEFERRED", "IMMEDIATE", "EXCLUSIVE"}
+ 746
+ 747    TRANSACTION_CHARACTERISTICS = {
+ 748        "ISOLATION LEVEL REPEATABLE READ",
+ 749        "ISOLATION LEVEL READ COMMITTED",
+ 750        "ISOLATION LEVEL READ UNCOMMITTED",
+ 751        "ISOLATION LEVEL SERIALIZABLE",
+ 752        "READ WRITE",
+ 753        "READ ONLY",
+ 754    }
  755
- 756    STRICT_CAST = True
+ 756    INSERT_ALTERNATIVES = {"ABORT", "FAIL", "IGNORE", "REPLACE", "ROLLBACK"}
  757
- 758    CONVERT_TYPE_FIRST = False
- 759
- 760    QUOTED_PIVOT_COLUMNS: t.Optional[bool] = None
- 761    PREFIXED_PIVOT_COLUMNS = False
+ 758    WINDOW_ALIAS_TOKENS = ID_VAR_TOKENS - {TokenType.ROWS}
+ 759    WINDOW_BEFORE_PAREN_TOKENS = {TokenType.OVER}
+ 760
+ 761    ADD_CONSTRAINT_TOKENS = {TokenType.CONSTRAINT, TokenType.PRIMARY_KEY, TokenType.FOREIGN_KEY}
  762
- 763    LOG_BASE_FIRST = True
- 764    LOG_DEFAULTS_TO_LN = False
- 765
- 766    __slots__ = (
- 767        "error_level",
- 768        "error_message_context",
- 769        "sql",
- 770        "errors",
- 771        "index_offset",
- 772        "unnest_column_only",
- 773        "alias_post_tablesample",
- 774        "max_errors",
- 775        "null_ordering",
- 776        "_tokens",
- 777        "_index",
- 778        "_curr",
- 779        "_next",
- 780        "_prev",
- 781        "_prev_comments",
- 782        "_show_trie",
- 783        "_set_trie",
- 784    )
- 785
- 786    def __init__(
- 787        self,
- 788        error_level: t.Optional[ErrorLevel] = None,
- 789        error_message_context: int = 100,
- 790        index_offset: int = 0,
- 791        unnest_column_only: bool = False,
- 792        alias_post_tablesample: bool = False,
- 793        max_errors: int = 3,
- 794        null_ordering: t.Optional[str] = None,
- 795    ):
- 796        self.error_level = error_level or ErrorLevel.IMMEDIATE
- 797        self.error_message_context = error_message_context
- 798        self.index_offset = index_offset
- 799        self.unnest_column_only = unnest_column_only
- 800        self.alias_post_tablesample = alias_post_tablesample
- 801        self.max_errors = max_errors
- 802        self.null_ordering = null_ordering
- 803        self.reset()
- 804
- 805    def reset(self):
- 806        self.sql = ""
- 807        self.errors = []
- 808        self._tokens = []
- 809        self._index = 0
- 810        self._curr = None
- 811        self._next = None
- 812        self._prev = None
- 813        self._prev_comments = None
- 814
- 815    def parse(
- 816        self, raw_tokens: t.List[Token], sql: t.Optional[str] = None
- 817    ) -> t.List[t.Optional[exp.Expression]]:
- 818        """
- 819        Parses a list of tokens and returns a list of syntax trees, one tree
- 820        per parsed SQL statement.
+ 763    STRICT_CAST = True
+ 764
+ 765    CONVERT_TYPE_FIRST = False
+ 766
+ 767    QUOTED_PIVOT_COLUMNS: t.Optional[bool] = None
+ 768    PREFIXED_PIVOT_COLUMNS = False
+ 769
+ 770    LOG_BASE_FIRST = True
+ 771    LOG_DEFAULTS_TO_LN = False
+ 772
+ 773    __slots__ = (
+ 774        "error_level",
+ 775        "error_message_context",
+ 776        "sql",
+ 777        "errors",
+ 778        "index_offset",
+ 779        "unnest_column_only",
+ 780        "alias_post_tablesample",
+ 781        "max_errors",
+ 782        "null_ordering",
+ 783        "_tokens",
+ 784        "_index",
+ 785        "_curr",
+ 786        "_next",
+ 787        "_prev",
+ 788        "_prev_comments",
+ 789        "_show_trie",
+ 790        "_set_trie",
+ 791    )
+ 792
+ 793    def __init__(
+ 794        self,
+ 795        error_level: t.Optional[ErrorLevel] = None,
+ 796        error_message_context: int = 100,
+ 797        index_offset: int = 0,
+ 798        unnest_column_only: bool = False,
+ 799        alias_post_tablesample: bool = False,
+ 800        max_errors: int = 3,
+ 801        null_ordering: t.Optional[str] = None,
+ 802    ):
+ 803        self.error_level = error_level or ErrorLevel.IMMEDIATE
+ 804        self.error_message_context = error_message_context
+ 805        self.index_offset = index_offset
+ 806        self.unnest_column_only = unnest_column_only
+ 807        self.alias_post_tablesample = alias_post_tablesample
+ 808        self.max_errors = max_errors
+ 809        self.null_ordering = null_ordering
+ 810        self.reset()
+ 811
+ 812    def reset(self):
+ 813        self.sql = ""
+ 814        self.errors = []
+ 815        self._tokens = []
+ 816        self._index = 0
+ 817        self._curr = None
+ 818        self._next = None
+ 819        self._prev = None
+ 820        self._prev_comments = None
  821
- 822        Args:
- 823            raw_tokens: the list of tokens.
- 824            sql: the original SQL string, used to produce helpful debug messages.
- 825
- 826        Returns:
- 827            The list of syntax trees.
- 828        """
- 829        return self._parse(
- 830            parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql
- 831        )
+ 822    def parse(
+ 823        self, raw_tokens: t.List[Token], sql: t.Optional[str] = None
+ 824    ) -> t.List[t.Optional[exp.Expression]]:
+ 825        """
+ 826        Parses a list of tokens and returns a list of syntax trees, one tree
+ 827        per parsed SQL statement.
+ 828
+ 829        Args:
+ 830            raw_tokens: the list of tokens.
+ 831            sql: the original SQL string, used to produce helpful debug messages.
  832
- 833    def parse_into(
- 834        self,
- 835        expression_types: exp.IntoType,
- 836        raw_tokens: t.List[Token],
- 837        sql: t.Optional[str] = None,
- 838    ) -> t.List[t.Optional[exp.Expression]]:
- 839        """
- 840        Parses a list of tokens into a given Expression type. If a collection of Expression
- 841        types is given instead, this method will try to parse the token list into each one
- 842        of them, stopping at the first for which the parsing succeeds.
- 843
- 844        Args:
- 845            expression_types: the expression type(s) to try and parse the token list into.
- 846            raw_tokens: the list of tokens.
- 847            sql: the original SQL string, used to produce helpful debug messages.
- 848
- 849        Returns:
- 850            The target Expression.
- 851        """
- 852        errors = []
- 853        for expression_type in ensure_collection(expression_types):
- 854            parser = self.EXPRESSION_PARSERS.get(expression_type)
- 855            if not parser:
- 856                raise TypeError(f"No parser registered for {expression_type}")
- 857            try:
- 858                return self._parse(parser, raw_tokens, sql)
- 859            except ParseError as e:
- 860                e.errors[0]["into_expression"] = expression_type
- 861                errors.append(e)
- 862        raise ParseError(
- 863            f"Failed to parse into {expression_types}",
- 864            errors=merge_errors(errors),
- 865        ) from errors[-1]
- 866
- 867    def _parse(
- 868        self,
- 869        parse_method: t.Callable[[Parser], t.Optional[exp.Expression]],
- 870        raw_tokens: t.List[Token],
- 871        sql: t.Optional[str] = None,
- 872    ) -> t.List[t.Optional[exp.Expression]]:
- 873        self.reset()
- 874        self.sql = sql or ""
- 875        total = len(raw_tokens)
- 876        chunks: t.List[t.List[Token]] = [[]]
- 877
- 878        for i, token in enumerate(raw_tokens):
- 879            if token.token_type == TokenType.SEMICOLON:
- 880                if i < total - 1:
- 881                    chunks.append([])
- 882            else:
- 883                chunks[-1].append(token)
+ 833        Returns:
+ 834            The list of syntax trees.
+ 835        """
+ 836        return self._parse(
+ 837            parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql
+ 838        )
+ 839
+ 840    def parse_into(
+ 841        self,
+ 842        expression_types: exp.IntoType,
+ 843        raw_tokens: t.List[Token],
+ 844        sql: t.Optional[str] = None,
+ 845    ) -> t.List[t.Optional[exp.Expression]]:
+ 846        """
+ 847        Parses a list of tokens into a given Expression type. If a collection of Expression
+ 848        types is given instead, this method will try to parse the token list into each one
+ 849        of them, stopping at the first for which the parsing succeeds.
+ 850
+ 851        Args:
+ 852            expression_types: the expression type(s) to try and parse the token list into.
+ 853            raw_tokens: the list of tokens.
+ 854            sql: the original SQL string, used to produce helpful debug messages.
+ 855
+ 856        Returns:
+ 857            The target Expression.
+ 858        """
+ 859        errors = []
+ 860        for expression_type in ensure_collection(expression_types):
+ 861            parser = self.EXPRESSION_PARSERS.get(expression_type)
+ 862            if not parser:
+ 863                raise TypeError(f"No parser registered for {expression_type}")
+ 864            try:
+ 865                return self._parse(parser, raw_tokens, sql)
+ 866            except ParseError as e:
+ 867                e.errors[0]["into_expression"] = expression_type
+ 868                errors.append(e)
+ 869        raise ParseError(
+ 870            f"Failed to parse into {expression_types}",
+ 871            errors=merge_errors(errors),
+ 872        ) from errors[-1]
+ 873
+ 874    def _parse(
+ 875        self,
+ 876        parse_method: t.Callable[[Parser], t.Optional[exp.Expression]],
+ 877        raw_tokens: t.List[Token],
+ 878        sql: t.Optional[str] = None,
+ 879    ) -> t.List[t.Optional[exp.Expression]]:
+ 880        self.reset()
+ 881        self.sql = sql or ""
+ 882        total = len(raw_tokens)
+ 883        chunks: t.List[t.List[Token]] = [[]]
  884
- 885        expressions = []
- 886
- 887        for tokens in chunks:
- 888            self._index = -1
- 889            self._tokens = tokens
- 890            self._advance()
+ 885        for i, token in enumerate(raw_tokens):
+ 886            if token.token_type == TokenType.SEMICOLON:
+ 887                if i < total - 1:
+ 888                    chunks.append([])
+ 889            else:
+ 890                chunks[-1].append(token)
  891
- 892            expressions.append(parse_method(self))
+ 892        expressions = []
  893
- 894            if self._index < len(self._tokens):
- 895                self.raise_error("Invalid expression / Unexpected token")
- 896
- 897            self.check_errors()
+ 894        for tokens in chunks:
+ 895            self._index = -1
+ 896            self._tokens = tokens
+ 897            self._advance()
  898
- 899        return expressions
+ 899            expressions.append(parse_method(self))
  900
- 901    def check_errors(self) -> None:
- 902        """
- 903        Logs or raises any found errors, depending on the chosen error level setting.
- 904        """
- 905        if self.error_level == ErrorLevel.WARN:
- 906            for error in self.errors:
- 907                logger.error(str(error))
- 908        elif self.error_level == ErrorLevel.RAISE and self.errors:
- 909            raise ParseError(
- 910                concat_messages(self.errors, self.max_errors),
- 911                errors=merge_errors(self.errors),
- 912            )
- 913
- 914    def raise_error(self, message: str, token: t.Optional[Token] = None) -> None:
- 915        """
- 916        Appends an error in the list of recorded errors or raises it, depending on the chosen
- 917        error level setting.
- 918        """
- 919        token = token or self._curr or self._prev or Token.string("")
- 920        start = token.start
- 921        end = token.end
- 922        start_context = self.sql[max(start - self.error_message_context, 0) : start]
- 923        highlight = self.sql[start:end]
- 924        end_context = self.sql[end : end + self.error_message_context]
- 925
- 926        error = ParseError.new(
- 927            f"{message}. Line {token.line}, Col: {token.col}.\n"
- 928            f"  {start_context}\033[4m{highlight}\033[0m{end_context}",
- 929            description=message,
- 930            line=token.line,
- 931            col=token.col,
- 932            start_context=start_context,
- 933            highlight=highlight,
- 934            end_context=end_context,
- 935        )
- 936
- 937        if self.error_level == ErrorLevel.IMMEDIATE:
- 938            raise error
- 939
- 940        self.errors.append(error)
- 941
- 942    def expression(
- 943        self, exp_class: t.Type[E], comments: t.Optional[t.List[str]] = None, **kwargs
- 944    ) -> E:
- 945        """
- 946        Creates a new, validated Expression.
- 947
- 948        Args:
- 949            exp_class: the expression class to instantiate.
- 950            comments: an optional list of comments to attach to the expression.
- 951            kwargs: the arguments to set for the expression along with their respective values.
- 952
- 953        Returns:
- 954            The target expression.
- 955        """
- 956        instance = exp_class(**kwargs)
- 957        if self._prev_comments:
- 958            instance.comments = self._prev_comments
- 959            self._prev_comments = None
- 960        if comments:
- 961            instance.comments = comments
- 962        self.validate_expression(instance)
- 963        return instance
- 964
- 965    def validate_expression(
- 966        self, expression: exp.Expression, args: t.Optional[t.List] = None
- 967    ) -> None:
- 968        """
- 969        Validates an already instantiated expression, making sure that all its mandatory arguments
- 970        are set.
+ 901            if self._index < len(self._tokens):
+ 902                self.raise_error("Invalid expression / Unexpected token")
+ 903
+ 904            self.check_errors()
+ 905
+ 906        return expressions
+ 907
+ 908    def check_errors(self) -> None:
+ 909        """
+ 910        Logs or raises any found errors, depending on the chosen error level setting.
+ 911        """
+ 912        if self.error_level == ErrorLevel.WARN:
+ 913            for error in self.errors:
+ 914                logger.error(str(error))
+ 915        elif self.error_level == ErrorLevel.RAISE and self.errors:
+ 916            raise ParseError(
+ 917                concat_messages(self.errors, self.max_errors),
+ 918                errors=merge_errors(self.errors),
+ 919            )
+ 920
+ 921    def raise_error(self, message: str, token: t.Optional[Token] = None) -> None:
+ 922        """
+ 923        Appends an error in the list of recorded errors or raises it, depending on the chosen
+ 924        error level setting.
+ 925        """
+ 926        token = token or self._curr or self._prev or Token.string("")
+ 927        start = token.start
+ 928        end = token.end
+ 929        start_context = self.sql[max(start - self.error_message_context, 0) : start]
+ 930        highlight = self.sql[start:end]
+ 931        end_context = self.sql[end : end + self.error_message_context]
+ 932
+ 933        error = ParseError.new(
+ 934            f"{message}. Line {token.line}, Col: {token.col}.\n"
+ 935            f"  {start_context}\033[4m{highlight}\033[0m{end_context}",
+ 936            description=message,
+ 937            line=token.line,
+ 938            col=token.col,
+ 939            start_context=start_context,
+ 940            highlight=highlight,
+ 941            end_context=end_context,
+ 942        )
+ 943
+ 944        if self.error_level == ErrorLevel.IMMEDIATE:
+ 945            raise error
+ 946
+ 947        self.errors.append(error)
+ 948
+ 949    def expression(
+ 950        self, exp_class: t.Type[E], comments: t.Optional[t.List[str]] = None, **kwargs
+ 951    ) -> E:
+ 952        """
+ 953        Creates a new, validated Expression.
+ 954
+ 955        Args:
+ 956            exp_class: the expression class to instantiate.
+ 957            comments: an optional list of comments to attach to the expression.
+ 958            kwargs: the arguments to set for the expression along with their respective values.
+ 959
+ 960        Returns:
+ 961            The target expression.
+ 962        """
+ 963        instance = exp_class(**kwargs)
+ 964        if self._prev_comments:
+ 965            instance.comments = self._prev_comments
+ 966            self._prev_comments = None
+ 967        if comments:
+ 968            instance.comments = comments
+ 969        self.validate_expression(instance)
+ 970        return instance
  971
- 972        Args:
- 973            expression: the expression to validate.
- 974            args: an optional list of items that was used to instantiate the expression, if it's a Func.
- 975        """
- 976        if self.error_level == ErrorLevel.IGNORE:
- 977            return
+ 972    def validate_expression(
+ 973        self, expression: exp.Expression, args: t.Optional[t.List] = None
+ 974    ) -> None:
+ 975        """
+ 976        Validates an already instantiated expression, making sure that all its mandatory arguments
+ 977        are set.
  978
- 979        for error_message in expression.error_messages(args):
- 980            self.raise_error(error_message)
- 981
- 982    def _find_sql(self, start: Token, end: Token) -> str:
- 983        return self.sql[start.start : end.end]
- 984
- 985    def _advance(self, times: int = 1) -> None:
- 986        self._index += times
- 987        self._curr = seq_get(self._tokens, self._index)
- 988        self._next = seq_get(self._tokens, self._index + 1)
- 989        if self._index > 0:
- 990            self._prev = self._tokens[self._index - 1]
- 991            self._prev_comments = self._prev.comments
- 992        else:
- 993            self._prev = None
- 994            self._prev_comments = None
- 995
- 996    def _retreat(self, index: int) -> None:
- 997        if index != self._index:
- 998            self._advance(index - self._index)
- 999
-1000    def _parse_command(self) -> exp.Command:
-1001        return self.expression(exp.Command, this=self._prev.text, expression=self._parse_string())
+ 979        Args:
+ 980            expression: the expression to validate.
+ 981            args: an optional list of items that was used to instantiate the expression, if it's a Func.
+ 982        """
+ 983        if self.error_level == ErrorLevel.IGNORE:
+ 984            return
+ 985
+ 986        for error_message in expression.error_messages(args):
+ 987            self.raise_error(error_message)
+ 988
+ 989    def _find_sql(self, start: Token, end: Token) -> str:
+ 990        return self.sql[start.start : end.end]
+ 991
+ 992    def _advance(self, times: int = 1) -> None:
+ 993        self._index += times
+ 994        self._curr = seq_get(self._tokens, self._index)
+ 995        self._next = seq_get(self._tokens, self._index + 1)
+ 996        if self._index > 0:
+ 997            self._prev = self._tokens[self._index - 1]
+ 998            self._prev_comments = self._prev.comments
+ 999        else:
+1000            self._prev = None
+1001            self._prev_comments = None
 1002
-1003    def _parse_comment(self, allow_exists: bool = True) -> exp.Expression:
-1004        start = self._prev
-1005        exists = self._parse_exists() if allow_exists else None
+1003    def _retreat(self, index: int) -> None:
+1004        if index != self._index:
+1005            self._advance(index - self._index)
 1006
-1007        self._match(TokenType.ON)
-1008
-1009        kind = self._match_set(self.CREATABLES) and self._prev
-1010
-1011        if not kind:
-1012            return self._parse_as_command(start)
+1007    def _parse_command(self) -> exp.Command:
+1008        return self.expression(exp.Command, this=self._prev.text, expression=self._parse_string())
+1009
+1010    def _parse_comment(self, allow_exists: bool = True) -> exp.Expression:
+1011        start = self._prev
+1012        exists = self._parse_exists() if allow_exists else None
 1013
-1014        if kind.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE):
-1015            this = self._parse_user_defined_function(kind=kind.token_type)
-1016        elif kind.token_type == TokenType.TABLE:
-1017            this = self._parse_table(alias_tokens=self.COMMENT_TABLE_ALIAS_TOKENS)
-1018        elif kind.token_type == TokenType.COLUMN:
-1019            this = self._parse_column()
-1020        else:
-1021            this = self._parse_id_var()
-1022
-1023        self._match(TokenType.IS)
-1024
-1025        return self.expression(
-1026            exp.Comment, this=this, kind=kind.text, expression=self._parse_string(), exists=exists
-1027        )
-1028
-1029    def _parse_statement(self) -> t.Optional[exp.Expression]:
-1030        if self._curr is None:
-1031            return None
-1032
-1033        if self._match_set(self.STATEMENT_PARSERS):
-1034            return self.STATEMENT_PARSERS[self._prev.token_type](self)
+1014        self._match(TokenType.ON)
+1015
+1016        kind = self._match_set(self.CREATABLES) and self._prev
+1017
+1018        if not kind:
+1019            return self._parse_as_command(start)
+1020
+1021        if kind.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE):
+1022            this = self._parse_user_defined_function(kind=kind.token_type)
+1023        elif kind.token_type == TokenType.TABLE:
+1024            this = self._parse_table(alias_tokens=self.COMMENT_TABLE_ALIAS_TOKENS)
+1025        elif kind.token_type == TokenType.COLUMN:
+1026            this = self._parse_column()
+1027        else:
+1028            this = self._parse_id_var()
+1029
+1030        self._match(TokenType.IS)
+1031
+1032        return self.expression(
+1033            exp.Comment, this=this, kind=kind.text, expression=self._parse_string(), exists=exists
+1034        )
 1035
-1036        if self._match_set(Tokenizer.COMMANDS):
-1037            return self._parse_command()
-1038
-1039        expression = self._parse_expression()
-1040        expression = self._parse_set_operations(expression) if expression else self._parse_select()
-1041
-1042        self._parse_query_modifiers(expression)
-1043        return expression
-1044
-1045    def _parse_drop(self) -> t.Optional[exp.Drop | exp.Command]:
-1046        start = self._prev
-1047        temporary = self._match(TokenType.TEMPORARY)
-1048        materialized = self._match(TokenType.MATERIALIZED)
-1049        kind = self._match_set(self.CREATABLES) and self._prev.text
-1050        if not kind:
-1051            return self._parse_as_command(start)
-1052
-1053        return self.expression(
-1054            exp.Drop,
-1055            exists=self._parse_exists(),
-1056            this=self._parse_table(schema=True),
-1057            kind=kind,
-1058            temporary=temporary,
-1059            materialized=materialized,
-1060            cascade=self._match(TokenType.CASCADE),
-1061            constraints=self._match_text_seq("CONSTRAINTS"),
-1062            purge=self._match_text_seq("PURGE"),
-1063        )
-1064
-1065    def _parse_exists(self, not_: bool = False) -> t.Optional[bool]:
-1066        return (
-1067            self._match(TokenType.IF)
-1068            and (not not_ or self._match(TokenType.NOT))
-1069            and self._match(TokenType.EXISTS)
+1036    def _parse_statement(self) -> t.Optional[exp.Expression]:
+1037        if self._curr is None:
+1038            return None
+1039
+1040        if self._match_set(self.STATEMENT_PARSERS):
+1041            return self.STATEMENT_PARSERS[self._prev.token_type](self)
+1042
+1043        if self._match_set(Tokenizer.COMMANDS):
+1044            return self._parse_command()
+1045
+1046        expression = self._parse_expression()
+1047        expression = self._parse_set_operations(expression) if expression else self._parse_select()
+1048
+1049        self._parse_query_modifiers(expression)
+1050        return expression
+1051
+1052    def _parse_drop(self) -> t.Optional[exp.Drop | exp.Command]:
+1053        start = self._prev
+1054        temporary = self._match(TokenType.TEMPORARY)
+1055        materialized = self._match(TokenType.MATERIALIZED)
+1056        kind = self._match_set(self.CREATABLES) and self._prev.text
+1057        if not kind:
+1058            return self._parse_as_command(start)
+1059
+1060        return self.expression(
+1061            exp.Drop,
+1062            exists=self._parse_exists(),
+1063            this=self._parse_table(schema=True),
+1064            kind=kind,
+1065            temporary=temporary,
+1066            materialized=materialized,
+1067            cascade=self._match(TokenType.CASCADE),
+1068            constraints=self._match_text_seq("CONSTRAINTS"),
+1069            purge=self._match_text_seq("PURGE"),
 1070        )
 1071
-1072    def _parse_create(self) -> t.Optional[exp.Expression]:
-1073        start = self._prev
-1074        replace = self._prev.text.upper() == "REPLACE" or self._match_pair(
-1075            TokenType.OR, TokenType.REPLACE
-1076        )
-1077        unique = self._match(TokenType.UNIQUE)
+1072    def _parse_exists(self, not_: bool = False) -> t.Optional[bool]:
+1073        return (
+1074            self._match(TokenType.IF)
+1075            and (not not_ or self._match(TokenType.NOT))
+1076            and self._match(TokenType.EXISTS)
+1077        )
 1078
-1079        if self._match_pair(TokenType.TABLE, TokenType.FUNCTION, advance=False):
-1080            self._match(TokenType.TABLE)
-1081
-1082        properties = None
-1083        create_token = self._match_set(self.CREATABLES) and self._prev
-1084
-1085        if not create_token:
-1086            properties = self._parse_properties()  # exp.Properties.Location.POST_CREATE
-1087            create_token = self._match_set(self.CREATABLES) and self._prev
+1079    def _parse_create(self) -> t.Optional[exp.Expression]:
+1080        start = self._prev
+1081        replace = self._prev.text.upper() == "REPLACE" or self._match_pair(
+1082            TokenType.OR, TokenType.REPLACE
+1083        )
+1084        unique = self._match(TokenType.UNIQUE)
+1085
+1086        if self._match_pair(TokenType.TABLE, TokenType.FUNCTION, advance=False):
+1087            self._match(TokenType.TABLE)
 1088
-1089            if not properties or not create_token:
-1090                return self._parse_as_command(start)
+1089        properties = None
+1090        create_token = self._match_set(self.CREATABLES) and self._prev
 1091
-1092        exists = self._parse_exists(not_=True)
-1093        this = None
-1094        expression = None
-1095        indexes = None
-1096        no_schema_binding = None
-1097        begin = None
+1092        if not create_token:
+1093            properties = self._parse_properties()  # exp.Properties.Location.POST_CREATE
+1094            create_token = self._match_set(self.CREATABLES) and self._prev
+1095
+1096            if not properties or not create_token:
+1097                return self._parse_as_command(start)
 1098
-1099        if create_token.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE):
-1100            this = self._parse_user_defined_function(kind=create_token.token_type)
-1101            temp_properties = self._parse_properties()
-1102            if properties and temp_properties:
-1103                properties.expressions.extend(temp_properties.expressions)
-1104            elif temp_properties:
-1105                properties = temp_properties
-1106
-1107            self._match(TokenType.ALIAS)
-1108            begin = self._match(TokenType.BEGIN)
-1109            return_ = self._match_text_seq("RETURN")
-1110            expression = self._parse_statement()
-1111
-1112            if return_:
-1113                expression = self.expression(exp.Return, this=expression)
-1114        elif create_token.token_type == TokenType.INDEX:
-1115            this = self._parse_index()
-1116        elif create_token.token_type in self.DB_CREATABLES:
-1117            table_parts = self._parse_table_parts(schema=True)
+1099        exists = self._parse_exists(not_=True)
+1100        this = None
+1101        expression = None
+1102        indexes = None
+1103        no_schema_binding = None
+1104        begin = None
+1105
+1106        if create_token.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE):
+1107            this = self._parse_user_defined_function(kind=create_token.token_type)
+1108            temp_properties = self._parse_properties()
+1109            if properties and temp_properties:
+1110                properties.expressions.extend(temp_properties.expressions)
+1111            elif temp_properties:
+1112                properties = temp_properties
+1113
+1114            self._match(TokenType.ALIAS)
+1115            begin = self._match(TokenType.BEGIN)
+1116            return_ = self._match_text_seq("RETURN")
+1117            expression = self._parse_statement()
 1118
-1119            # exp.Properties.Location.POST_NAME
-1120            if self._match(TokenType.COMMA):
-1121                temp_properties = self._parse_properties(before=True)
-1122                if properties and temp_properties:
-1123                    properties.expressions.extend(temp_properties.expressions)
-1124                elif temp_properties:
-1125                    properties = temp_properties
-1126
-1127            this = self._parse_schema(this=table_parts)
-1128
-1129            # exp.Properties.Location.POST_SCHEMA and POST_WITH
-1130            temp_properties = self._parse_properties()
-1131            if properties and temp_properties:
-1132                properties.expressions.extend(temp_properties.expressions)
-1133            elif temp_properties:
-1134                properties = temp_properties
+1119            if return_:
+1120                expression = self.expression(exp.Return, this=expression)
+1121        elif create_token.token_type == TokenType.INDEX:
+1122            this = self._parse_index()
+1123        elif create_token.token_type in self.DB_CREATABLES:
+1124            table_parts = self._parse_table_parts(schema=True)
+1125
+1126            # exp.Properties.Location.POST_NAME
+1127            if self._match(TokenType.COMMA):
+1128                temp_properties = self._parse_properties(before=True)
+1129                if properties and temp_properties:
+1130                    properties.expressions.extend(temp_properties.expressions)
+1131                elif temp_properties:
+1132                    properties = temp_properties
+1133
+1134            this = self._parse_schema(this=table_parts)
 1135
-1136            self._match(TokenType.ALIAS)
-1137
-1138            # exp.Properties.Location.POST_ALIAS
-1139            if not (
-1140                self._match(TokenType.SELECT, advance=False)
-1141                or self._match(TokenType.WITH, advance=False)
-1142                or self._match(TokenType.L_PAREN, advance=False)
-1143            ):
-1144                temp_properties = self._parse_properties()
-1145                if properties and temp_properties:
-1146                    properties.expressions.extend(temp_properties.expressions)
-1147                elif temp_properties:
-1148                    properties = temp_properties
-1149
-1150            expression = self._parse_ddl_select()
-1151
-1152            if create_token.token_type == TokenType.TABLE:
-1153                # exp.Properties.Location.POST_EXPRESSION
-1154                temp_properties = self._parse_properties()
-1155                if properties and temp_properties:
-1156                    properties.expressions.extend(temp_properties.expressions)
-1157                elif temp_properties:
-1158                    properties = temp_properties
-1159
-1160                indexes = []
-1161                while True:
-1162                    index = self._parse_create_table_index()
-1163
-1164                    # exp.Properties.Location.POST_INDEX
-1165                    if self._match(TokenType.PARTITION_BY, advance=False):
-1166                        temp_properties = self._parse_properties()
-1167                        if properties and temp_properties:
-1168                            properties.expressions.extend(temp_properties.expressions)
-1169                        elif temp_properties:
-1170                            properties = temp_properties
-1171
-1172                    if not index:
-1173                        break
-1174                    else:
-1175                        indexes.append(index)
-1176            elif create_token.token_type == TokenType.VIEW:
-1177                if self._match_text_seq("WITH", "NO", "SCHEMA", "BINDING"):
-1178                    no_schema_binding = True
-1179
-1180        return self.expression(
-1181            exp.Create,
-1182            this=this,
-1183            kind=create_token.text,
-1184            replace=replace,
-1185            unique=unique,
-1186            expression=expression,
-1187            exists=exists,
-1188            properties=properties,
-1189            indexes=indexes,
-1190            no_schema_binding=no_schema_binding,
-1191            begin=begin,
-1192        )
-1193
-1194    def _parse_property_before(self) -> t.Optional[exp.Expression]:
-1195        self._match(TokenType.COMMA)
-1196
-1197        # parsers look to _prev for no/dual/default, so need to consume first
-1198        self._match_text_seq("NO")
-1199        self._match_text_seq("DUAL")
-1200        self._match_text_seq("DEFAULT")
-1201
-1202        if self.PROPERTY_PARSERS.get(self._curr.text.upper()):
-1203            return self.PROPERTY_PARSERS[self._curr.text.upper()](self)
-1204
-1205        return None
-1206
-1207    def _parse_property(self) -> t.Optional[exp.Expression]:
-1208        if self._match_texts(self.PROPERTY_PARSERS):
-1209            return self.PROPERTY_PARSERS[self._prev.text.upper()](self)
-1210
-1211        if self._match_pair(TokenType.DEFAULT, TokenType.CHARACTER_SET):
-1212            return self._parse_character_set(default=True)
+1136            # exp.Properties.Location.POST_SCHEMA and POST_WITH
+1137            temp_properties = self._parse_properties()
+1138            if properties and temp_properties:
+1139                properties.expressions.extend(temp_properties.expressions)
+1140            elif temp_properties:
+1141                properties = temp_properties
+1142
+1143            self._match(TokenType.ALIAS)
+1144
+1145            # exp.Properties.Location.POST_ALIAS
+1146            if not (
+1147                self._match(TokenType.SELECT, advance=False)
+1148                or self._match(TokenType.WITH, advance=False)
+1149                or self._match(TokenType.L_PAREN, advance=False)
+1150            ):
+1151                temp_properties = self._parse_properties()
+1152                if properties and temp_properties:
+1153                    properties.expressions.extend(temp_properties.expressions)
+1154                elif temp_properties:
+1155                    properties = temp_properties
+1156
+1157            expression = self._parse_ddl_select()
+1158
+1159            if create_token.token_type == TokenType.TABLE:
+1160                # exp.Properties.Location.POST_EXPRESSION
+1161                temp_properties = self._parse_properties()
+1162                if properties and temp_properties:
+1163                    properties.expressions.extend(temp_properties.expressions)
+1164                elif temp_properties:
+1165                    properties = temp_properties
+1166
+1167                indexes = []
+1168                while True:
+1169                    index = self._parse_create_table_index()
+1170
+1171                    # exp.Properties.Location.POST_INDEX
+1172                    if self._match(TokenType.PARTITION_BY, advance=False):
+1173                        temp_properties = self._parse_properties()
+1174                        if properties and temp_properties:
+1175                            properties.expressions.extend(temp_properties.expressions)
+1176                        elif temp_properties:
+1177                            properties = temp_properties
+1178
+1179                    if not index:
+1180                        break
+1181                    else:
+1182                        indexes.append(index)
+1183            elif create_token.token_type == TokenType.VIEW:
+1184                if self._match_text_seq("WITH", "NO", "SCHEMA", "BINDING"):
+1185                    no_schema_binding = True
+1186
+1187        return self.expression(
+1188            exp.Create,
+1189            this=this,
+1190            kind=create_token.text,
+1191            replace=replace,
+1192            unique=unique,
+1193            expression=expression,
+1194            exists=exists,
+1195            properties=properties,
+1196            indexes=indexes,
+1197            no_schema_binding=no_schema_binding,
+1198            begin=begin,
+1199        )
+1200
+1201    def _parse_property_before(self) -> t.Optional[exp.Expression]:
+1202        self._match(TokenType.COMMA)
+1203
+1204        # parsers look to _prev for no/dual/default, so need to consume first
+1205        self._match_text_seq("NO")
+1206        self._match_text_seq("DUAL")
+1207        self._match_text_seq("DEFAULT")
+1208
+1209        if self.PROPERTY_PARSERS.get(self._curr.text.upper()):
+1210            return self.PROPERTY_PARSERS[self._curr.text.upper()](self)
+1211
+1212        return None
 1213
-1214        if self._match_pair(TokenType.COMPOUND, TokenType.SORTKEY):
-1215            return self._parse_sortkey(compound=True)
-1216
-1217        if self._match_text_seq("SQL", "SECURITY"):
-1218            return self.expression(exp.SqlSecurityProperty, definer=self._match_text_seq("DEFINER"))
-1219
-1220        assignment = self._match_pair(
-1221            TokenType.VAR, TokenType.EQ, advance=False
-1222        ) or self._match_pair(TokenType.STRING, TokenType.EQ, advance=False)
+1214    def _parse_property(self) -> t.Optional[exp.Expression]:
+1215        if self._match_texts(self.PROPERTY_PARSERS):
+1216            return self.PROPERTY_PARSERS[self._prev.text.upper()](self)
+1217
+1218        if self._match_pair(TokenType.DEFAULT, TokenType.CHARACTER_SET):
+1219            return self._parse_character_set(default=True)
+1220
+1221        if self._match_pair(TokenType.COMPOUND, TokenType.SORTKEY):
+1222            return self._parse_sortkey(compound=True)
 1223
-1224        if assignment:
-1225            key = self._parse_var_or_string()
-1226            self._match(TokenType.EQ)
-1227            return self.expression(exp.Property, this=key, value=self._parse_column())
-1228
-1229        return None
+1224        if self._match_text_seq("SQL", "SECURITY"):
+1225            return self.expression(exp.SqlSecurityProperty, definer=self._match_text_seq("DEFINER"))
+1226
+1227        assignment = self._match_pair(
+1228            TokenType.VAR, TokenType.EQ, advance=False
+1229        ) or self._match_pair(TokenType.STRING, TokenType.EQ, advance=False)
 1230
-1231    def _parse_stored(self) -> exp.Expression:
-1232        self._match(TokenType.ALIAS)
-1233
-1234        input_format = self._parse_string() if self._match_text_seq("INPUTFORMAT") else None
-1235        output_format = self._parse_string() if self._match_text_seq("OUTPUTFORMAT") else None
-1236
-1237        return self.expression(
-1238            exp.FileFormatProperty,
-1239            this=self.expression(
-1240                exp.InputOutputFormat, input_format=input_format, output_format=output_format
-1241            )
-1242            if input_format or output_format
-1243            else self._parse_var_or_string() or self._parse_number() or self._parse_id_var(),
-1244        )
-1245
-1246    def _parse_property_assignment(self, exp_class: t.Type[exp.Expression]) -> exp.Expression:
-1247        self._match(TokenType.EQ)
-1248        self._match(TokenType.ALIAS)
-1249        return self.expression(
-1250            exp_class,
-1251            this=self._parse_var_or_string() or self._parse_number() or self._parse_id_var(),
-1252        )
-1253
-1254    def _parse_properties(self, before=None) -> t.Optional[exp.Expression]:
-1255        properties = []
-1256
-1257        while True:
-1258            if before:
-1259                identified_property = self._parse_property_before()
-1260            else:
-1261                identified_property = self._parse_property()
-1262
-1263            if not identified_property:
-1264                break
-1265            for p in ensure_list(identified_property):
-1266                properties.append(p)
-1267
-1268        if properties:
-1269            return self.expression(exp.Properties, expressions=properties)
-1270
-1271        return None
-1272
-1273    def _parse_fallback(self, no=False) -> exp.Expression:
-1274        self._match_text_seq("FALLBACK")
-1275        return self.expression(
-1276            exp.FallbackProperty, no=no, protection=self._match_text_seq("PROTECTION")
-1277        )
-1278
-1279    def _parse_volatile_property(self) -> exp.Expression:
-1280        if self._index >= 2:
-1281            pre_volatile_token = self._tokens[self._index - 2]
-1282        else:
-1283            pre_volatile_token = None
-1284
-1285        if pre_volatile_token and pre_volatile_token.token_type in (
-1286            TokenType.CREATE,
-1287            TokenType.REPLACE,
-1288            TokenType.UNIQUE,
-1289        ):
-1290            return exp.VolatileProperty()
+1231        if assignment:
+1232            key = self._parse_var_or_string()
+1233            self._match(TokenType.EQ)
+1234            return self.expression(exp.Property, this=key, value=self._parse_column())
+1235
+1236        return None
+1237
+1238    def _parse_stored(self) -> exp.Expression:
+1239        self._match(TokenType.ALIAS)
+1240
+1241        input_format = self._parse_string() if self._match_text_seq("INPUTFORMAT") else None
+1242        output_format = self._parse_string() if self._match_text_seq("OUTPUTFORMAT") else None
+1243
+1244        return self.expression(
+1245            exp.FileFormatProperty,
+1246            this=self.expression(
+1247                exp.InputOutputFormat, input_format=input_format, output_format=output_format
+1248            )
+1249            if input_format or output_format
+1250            else self._parse_var_or_string() or self._parse_number() or self._parse_id_var(),
+1251        )
+1252
+1253    def _parse_property_assignment(self, exp_class: t.Type[exp.Expression]) -> exp.Expression:
+1254        self._match(TokenType.EQ)
+1255        self._match(TokenType.ALIAS)
+1256        return self.expression(
+1257            exp_class,
+1258            this=self._parse_var_or_string() or self._parse_number() or self._parse_id_var(),
+1259        )
+1260
+1261    def _parse_properties(self, before=None) -> t.Optional[exp.Expression]:
+1262        properties = []
+1263
+1264        while True:
+1265            if before:
+1266                identified_property = self._parse_property_before()
+1267            else:
+1268                identified_property = self._parse_property()
+1269
+1270            if not identified_property:
+1271                break
+1272            for p in ensure_list(identified_property):
+1273                properties.append(p)
+1274
+1275        if properties:
+1276            return self.expression(exp.Properties, expressions=properties)
+1277
+1278        return None
+1279
+1280    def _parse_fallback(self, no=False) -> exp.Expression:
+1281        self._match_text_seq("FALLBACK")
+1282        return self.expression(
+1283            exp.FallbackProperty, no=no, protection=self._match_text_seq("PROTECTION")
+1284        )
+1285
+1286    def _parse_volatile_property(self) -> exp.Expression:
+1287        if self._index >= 2:
+1288            pre_volatile_token = self._tokens[self._index - 2]
+1289        else:
+1290            pre_volatile_token = None
 1291
-1292        return self.expression(exp.StabilityProperty, this=exp.Literal.string("VOLATILE"))
-1293
-1294    def _parse_with_property(
-1295        self,
-1296    ) -> t.Union[t.Optional[exp.Expression], t.List[t.Optional[exp.Expression]]]:
-1297        self._match(TokenType.WITH)
-1298        if self._match(TokenType.L_PAREN, advance=False):
-1299            return self._parse_wrapped_csv(self._parse_property)
+1292        if pre_volatile_token and pre_volatile_token.token_type in (
+1293            TokenType.CREATE,
+1294            TokenType.REPLACE,
+1295            TokenType.UNIQUE,
+1296        ):
+1297            return exp.VolatileProperty()
+1298
+1299        return self.expression(exp.StabilityProperty, this=exp.Literal.string("VOLATILE"))
 1300
-1301        if self._match_text_seq("JOURNAL"):
-1302            return self._parse_withjournaltable()
-1303
-1304        if self._match_text_seq("DATA"):
-1305            return self._parse_withdata(no=False)
-1306        elif self._match_text_seq("NO", "DATA"):
-1307            return self._parse_withdata(no=True)
-1308
-1309        if not self._next:
-1310            return None
-1311
-1312        return self._parse_withisolatedloading()
-1313
-1314    # https://dev.mysql.com/doc/refman/8.0/en/create-view.html
-1315    def _parse_definer(self) -> t.Optional[exp.Expression]:
-1316        self._match(TokenType.EQ)
-1317
-1318        user = self._parse_id_var()
-1319        self._match(TokenType.PARAMETER)
-1320        host = self._parse_id_var() or (self._match(TokenType.MOD) and self._prev.text)
-1321
-1322        if not user or not host:
-1323            return None
+1301    def _parse_with_property(
+1302        self,
+1303    ) -> t.Union[t.Optional[exp.Expression], t.List[t.Optional[exp.Expression]]]:
+1304        self._match(TokenType.WITH)
+1305        if self._match(TokenType.L_PAREN, advance=False):
+1306            return self._parse_wrapped_csv(self._parse_property)
+1307
+1308        if self._match_text_seq("JOURNAL"):
+1309            return self._parse_withjournaltable()
+1310
+1311        if self._match_text_seq("DATA"):
+1312            return self._parse_withdata(no=False)
+1313        elif self._match_text_seq("NO", "DATA"):
+1314            return self._parse_withdata(no=True)
+1315
+1316        if not self._next:
+1317            return None
+1318
+1319        return self._parse_withisolatedloading()
+1320
+1321    # https://dev.mysql.com/doc/refman/8.0/en/create-view.html
+1322    def _parse_definer(self) -> t.Optional[exp.Expression]:
+1323        self._match(TokenType.EQ)
 1324
-1325        return exp.DefinerProperty(this=f"{user}@{host}")
-1326
-1327    def _parse_withjournaltable(self) -> exp.Expression:
-1328        self._match(TokenType.TABLE)
-1329        self._match(TokenType.EQ)
-1330        return self.expression(exp.WithJournalTableProperty, this=self._parse_table_parts())
+1325        user = self._parse_id_var()
+1326        self._match(TokenType.PARAMETER)
+1327        host = self._parse_id_var() or (self._match(TokenType.MOD) and self._prev.text)
+1328
+1329        if not user or not host:
+1330            return None
 1331
-1332    def _parse_log(self, no=False) -> exp.Expression:
-1333        self._match_text_seq("LOG")
-1334        return self.expression(exp.LogProperty, no=no)
-1335
-1336    def _parse_journal(self, no=False, dual=False) -> exp.Expression:
-1337        before = self._match_text_seq("BEFORE")
-1338        self._match_text_seq("JOURNAL")
-1339        return self.expression(exp.JournalProperty, no=no, dual=dual, before=before)
-1340
-1341    def _parse_afterjournal(self, no=False, dual=False, local=None) -> exp.Expression:
-1342        self._match_text_seq("NOT")
-1343        self._match_text_seq("LOCAL")
-1344        self._match_text_seq("AFTER", "JOURNAL")
-1345        return self.expression(exp.AfterJournalProperty, no=no, dual=dual, local=local)
-1346
-1347    def _parse_checksum(self) -> exp.Expression:
-1348        self._match_text_seq("CHECKSUM")
-1349        self._match(TokenType.EQ)
-1350
-1351        on = None
-1352        if self._match(TokenType.ON):
-1353            on = True
-1354        elif self._match_text_seq("OFF"):
-1355            on = False
-1356        default = self._match(TokenType.DEFAULT)
+1332        return exp.DefinerProperty(this=f"{user}@{host}")
+1333
+1334    def _parse_withjournaltable(self) -> exp.Expression:
+1335        self._match(TokenType.TABLE)
+1336        self._match(TokenType.EQ)
+1337        return self.expression(exp.WithJournalTableProperty, this=self._parse_table_parts())
+1338
+1339    def _parse_log(self, no=False) -> exp.Expression:
+1340        self._match_text_seq("LOG")
+1341        return self.expression(exp.LogProperty, no=no)
+1342
+1343    def _parse_journal(self, no=False, dual=False) -> exp.Expression:
+1344        before = self._match_text_seq("BEFORE")
+1345        self._match_text_seq("JOURNAL")
+1346        return self.expression(exp.JournalProperty, no=no, dual=dual, before=before)
+1347
+1348    def _parse_afterjournal(self, no=False, dual=False, local=None) -> exp.Expression:
+1349        self._match_text_seq("NOT")
+1350        self._match_text_seq("LOCAL")
+1351        self._match_text_seq("AFTER", "JOURNAL")
+1352        return self.expression(exp.AfterJournalProperty, no=no, dual=dual, local=local)
+1353
+1354    def _parse_checksum(self) -> exp.Expression:
+1355        self._match_text_seq("CHECKSUM")
+1356        self._match(TokenType.EQ)
 1357
-1358        return self.expression(
-1359            exp.ChecksumProperty,
-1360            on=on,
-1361            default=default,
-1362        )
-1363
-1364    def _parse_freespace(self) -> exp.Expression:
-1365        self._match_text_seq("FREESPACE")
-1366        self._match(TokenType.EQ)
-1367        return self.expression(
-1368            exp.FreespaceProperty, this=self._parse_number(), percent=self._match(TokenType.PERCENT)
+1358        on = None
+1359        if self._match(TokenType.ON):
+1360            on = True
+1361        elif self._match_text_seq("OFF"):
+1362            on = False
+1363        default = self._match(TokenType.DEFAULT)
+1364
+1365        return self.expression(
+1366            exp.ChecksumProperty,
+1367            on=on,
+1368            default=default,
 1369        )
 1370
-1371    def _parse_mergeblockratio(self, no=False, default=False) -> exp.Expression:
-1372        self._match_text_seq("MERGEBLOCKRATIO")
-1373        if self._match(TokenType.EQ):
-1374            return self.expression(
-1375                exp.MergeBlockRatioProperty,
-1376                this=self._parse_number(),
-1377                percent=self._match(TokenType.PERCENT),
-1378            )
-1379        else:
-1380            return self.expression(
-1381                exp.MergeBlockRatioProperty,
-1382                no=no,
-1383                default=default,
-1384            )
-1385
-1386    def _parse_datablocksize(self, default=None) -> exp.Expression:
-1387        if default:
-1388            self._match_text_seq("DATABLOCKSIZE")
-1389            return self.expression(exp.DataBlocksizeProperty, default=True)
-1390        elif self._match_texts(("MIN", "MINIMUM")):
-1391            self._match_text_seq("DATABLOCKSIZE")
-1392            return self.expression(exp.DataBlocksizeProperty, min=True)
-1393        elif self._match_texts(("MAX", "MAXIMUM")):
-1394            self._match_text_seq("DATABLOCKSIZE")
-1395            return self.expression(exp.DataBlocksizeProperty, min=False)
-1396
-1397        self._match_text_seq("DATABLOCKSIZE")
-1398        self._match(TokenType.EQ)
-1399        size = self._parse_number()
-1400        units = None
-1401        if self._match_texts(("BYTES", "KBYTES", "KILOBYTES")):
-1402            units = self._prev.text
-1403        return self.expression(exp.DataBlocksizeProperty, size=size, units=units)
-1404
-1405    def _parse_blockcompression(self) -> exp.Expression:
-1406        self._match_text_seq("BLOCKCOMPRESSION")
-1407        self._match(TokenType.EQ)
-1408        always = self._match_text_seq("ALWAYS")
-1409        manual = self._match_text_seq("MANUAL")
-1410        never = self._match_text_seq("NEVER")
-1411        default = self._match_text_seq("DEFAULT")
-1412        autotemp = None
-1413        if self._match_text_seq("AUTOTEMP"):
-1414            autotemp = self._parse_schema()
-1415
-1416        return self.expression(
-1417            exp.BlockCompressionProperty,
-1418            always=always,
-1419            manual=manual,
-1420            never=never,
-1421            default=default,
-1422            autotemp=autotemp,
-1423        )
-1424
-1425    def _parse_withisolatedloading(self) -> exp.Expression:
-1426        no = self._match_text_seq("NO")
-1427        concurrent = self._match_text_seq("CONCURRENT")
-1428        self._match_text_seq("ISOLATED", "LOADING")
-1429        for_all = self._match_text_seq("FOR", "ALL")
-1430        for_insert = self._match_text_seq("FOR", "INSERT")
-1431        for_none = self._match_text_seq("FOR", "NONE")
-1432        return self.expression(
-1433            exp.IsolatedLoadingProperty,
-1434            no=no,
-1435            concurrent=concurrent,
-1436            for_all=for_all,
-1437            for_insert=for_insert,
-1438            for_none=for_none,
-1439        )
-1440
-1441    def _parse_locking(self) -> exp.Expression:
-1442        if self._match(TokenType.TABLE):
-1443            kind = "TABLE"
-1444        elif self._match(TokenType.VIEW):
-1445            kind = "VIEW"
-1446        elif self._match(TokenType.ROW):
-1447            kind = "ROW"
-1448        elif self._match_text_seq("DATABASE"):
-1449            kind = "DATABASE"
-1450        else:
-1451            kind = None
-1452
-1453        if kind in ("DATABASE", "TABLE", "VIEW"):
-1454            this = self._parse_table_parts()
-1455        else:
-1456            this = None
-1457
-1458        if self._match(TokenType.FOR):
-1459            for_or_in = "FOR"
-1460        elif self._match(TokenType.IN):
-1461            for_or_in = "IN"
+1371    def _parse_freespace(self) -> exp.Expression:
+1372        self._match_text_seq("FREESPACE")
+1373        self._match(TokenType.EQ)
+1374        return self.expression(
+1375            exp.FreespaceProperty, this=self._parse_number(), percent=self._match(TokenType.PERCENT)
+1376        )
+1377
+1378    def _parse_mergeblockratio(self, no=False, default=False) -> exp.Expression:
+1379        self._match_text_seq("MERGEBLOCKRATIO")
+1380        if self._match(TokenType.EQ):
+1381            return self.expression(
+1382                exp.MergeBlockRatioProperty,
+1383                this=self._parse_number(),
+1384                percent=self._match(TokenType.PERCENT),
+1385            )
+1386        else:
+1387            return self.expression(
+1388                exp.MergeBlockRatioProperty,
+1389                no=no,
+1390                default=default,
+1391            )
+1392
+1393    def _parse_datablocksize(self, default=None) -> exp.Expression:
+1394        if default:
+1395            self._match_text_seq("DATABLOCKSIZE")
+1396            return self.expression(exp.DataBlocksizeProperty, default=True)
+1397        elif self._match_texts(("MIN", "MINIMUM")):
+1398            self._match_text_seq("DATABLOCKSIZE")
+1399            return self.expression(exp.DataBlocksizeProperty, min=True)
+1400        elif self._match_texts(("MAX", "MAXIMUM")):
+1401            self._match_text_seq("DATABLOCKSIZE")
+1402            return self.expression(exp.DataBlocksizeProperty, min=False)
+1403
+1404        self._match_text_seq("DATABLOCKSIZE")
+1405        self._match(TokenType.EQ)
+1406        size = self._parse_number()
+1407        units = None
+1408        if self._match_texts(("BYTES", "KBYTES", "KILOBYTES")):
+1409            units = self._prev.text
+1410        return self.expression(exp.DataBlocksizeProperty, size=size, units=units)
+1411
+1412    def _parse_blockcompression(self) -> exp.Expression:
+1413        self._match_text_seq("BLOCKCOMPRESSION")
+1414        self._match(TokenType.EQ)
+1415        always = self._match_text_seq("ALWAYS")
+1416        manual = self._match_text_seq("MANUAL")
+1417        never = self._match_text_seq("NEVER")
+1418        default = self._match_text_seq("DEFAULT")
+1419        autotemp = None
+1420        if self._match_text_seq("AUTOTEMP"):
+1421            autotemp = self._parse_schema()
+1422
+1423        return self.expression(
+1424            exp.BlockCompressionProperty,
+1425            always=always,
+1426            manual=manual,
+1427            never=never,
+1428            default=default,
+1429            autotemp=autotemp,
+1430        )
+1431
+1432    def _parse_withisolatedloading(self) -> exp.Expression:
+1433        no = self._match_text_seq("NO")
+1434        concurrent = self._match_text_seq("CONCURRENT")
+1435        self._match_text_seq("ISOLATED", "LOADING")
+1436        for_all = self._match_text_seq("FOR", "ALL")
+1437        for_insert = self._match_text_seq("FOR", "INSERT")
+1438        for_none = self._match_text_seq("FOR", "NONE")
+1439        return self.expression(
+1440            exp.IsolatedLoadingProperty,
+1441            no=no,
+1442            concurrent=concurrent,
+1443            for_all=for_all,
+1444            for_insert=for_insert,
+1445            for_none=for_none,
+1446        )
+1447
+1448    def _parse_locking(self) -> exp.Expression:
+1449        if self._match(TokenType.TABLE):
+1450            kind = "TABLE"
+1451        elif self._match(TokenType.VIEW):
+1452            kind = "VIEW"
+1453        elif self._match(TokenType.ROW):
+1454            kind = "ROW"
+1455        elif self._match_text_seq("DATABASE"):
+1456            kind = "DATABASE"
+1457        else:
+1458            kind = None
+1459
+1460        if kind in ("DATABASE", "TABLE", "VIEW"):
+1461            this = self._parse_table_parts()
 1462        else:
-1463            for_or_in = None
+1463            this = None
 1464
-1465        if self._match_text_seq("ACCESS"):
-1466            lock_type = "ACCESS"
-1467        elif self._match_texts(("EXCL", "EXCLUSIVE")):
-1468            lock_type = "EXCLUSIVE"
-1469        elif self._match_text_seq("SHARE"):
-1470            lock_type = "SHARE"
-1471        elif self._match_text_seq("READ"):
-1472            lock_type = "READ"
-1473        elif self._match_text_seq("WRITE"):
-1474            lock_type = "WRITE"
-1475        elif self._match_text_seq("CHECKSUM"):
-1476            lock_type = "CHECKSUM"
-1477        else:
-1478            lock_type = None
-1479
-1480        override = self._match_text_seq("OVERRIDE")
-1481
-1482        return self.expression(
-1483            exp.LockingProperty,
-1484            this=this,
-1485            kind=kind,
-1486            for_or_in=for_or_in,
-1487            lock_type=lock_type,
-1488            override=override,
-1489        )
-1490
-1491    def _parse_partition_by(self) -> t.List[t.Optional[exp.Expression]]:
-1492        if self._match(TokenType.PARTITION_BY):
-1493            return self._parse_csv(self._parse_conjunction)
-1494        return []
-1495
-1496    def _parse_partitioned_by(self) -> exp.Expression:
-1497        self._match(TokenType.EQ)
-1498        return self.expression(
-1499            exp.PartitionedByProperty,
-1500            this=self._parse_schema() or self._parse_bracket(self._parse_field()),
-1501        )
+1465        if self._match(TokenType.FOR):
+1466            for_or_in = "FOR"
+1467        elif self._match(TokenType.IN):
+1468            for_or_in = "IN"
+1469        else:
+1470            for_or_in = None
+1471
+1472        if self._match_text_seq("ACCESS"):
+1473            lock_type = "ACCESS"
+1474        elif self._match_texts(("EXCL", "EXCLUSIVE")):
+1475            lock_type = "EXCLUSIVE"
+1476        elif self._match_text_seq("SHARE"):
+1477            lock_type = "SHARE"
+1478        elif self._match_text_seq("READ"):
+1479            lock_type = "READ"
+1480        elif self._match_text_seq("WRITE"):
+1481            lock_type = "WRITE"
+1482        elif self._match_text_seq("CHECKSUM"):
+1483            lock_type = "CHECKSUM"
+1484        else:
+1485            lock_type = None
+1486
+1487        override = self._match_text_seq("OVERRIDE")
+1488
+1489        return self.expression(
+1490            exp.LockingProperty,
+1491            this=this,
+1492            kind=kind,
+1493            for_or_in=for_or_in,
+1494            lock_type=lock_type,
+1495            override=override,
+1496        )
+1497
+1498    def _parse_partition_by(self) -> t.List[t.Optional[exp.Expression]]:
+1499        if self._match(TokenType.PARTITION_BY):
+1500            return self._parse_csv(self._parse_conjunction)
+1501        return []
 1502
-1503    def _parse_withdata(self, no=False) -> exp.Expression:
-1504        if self._match_text_seq("AND", "STATISTICS"):
-1505            statistics = True
-1506        elif self._match_text_seq("AND", "NO", "STATISTICS"):
-1507            statistics = False
-1508        else:
-1509            statistics = None
-1510
-1511        return self.expression(exp.WithDataProperty, no=no, statistics=statistics)
-1512
-1513    def _parse_noprimaryindex(self) -> exp.Expression:
-1514        self._match_text_seq("PRIMARY", "INDEX")
-1515        return exp.NoPrimaryIndexProperty()
-1516
-1517    def _parse_oncommit(self) -> exp.Expression:
-1518        self._match_text_seq("COMMIT", "PRESERVE", "ROWS")
-1519        return exp.OnCommitProperty()
-1520
-1521    def _parse_distkey(self) -> exp.Expression:
-1522        return self.expression(exp.DistKeyProperty, this=self._parse_wrapped(self._parse_id_var))
+1503    def _parse_partitioned_by(self) -> exp.Expression:
+1504        self._match(TokenType.EQ)
+1505        return self.expression(
+1506            exp.PartitionedByProperty,
+1507            this=self._parse_schema() or self._parse_bracket(self._parse_field()),
+1508        )
+1509
+1510    def _parse_withdata(self, no=False) -> exp.Expression:
+1511        if self._match_text_seq("AND", "STATISTICS"):
+1512            statistics = True
+1513        elif self._match_text_seq("AND", "NO", "STATISTICS"):
+1514            statistics = False
+1515        else:
+1516            statistics = None
+1517
+1518        return self.expression(exp.WithDataProperty, no=no, statistics=statistics)
+1519
+1520    def _parse_noprimaryindex(self) -> exp.Expression:
+1521        self._match_text_seq("PRIMARY", "INDEX")
+1522        return exp.NoPrimaryIndexProperty()
 1523
-1524    def _parse_create_like(self) -> t.Optional[exp.Expression]:
-1525        table = self._parse_table(schema=True)
-1526        options = []
-1527        while self._match_texts(("INCLUDING", "EXCLUDING")):
-1528            this = self._prev.text.upper()
-1529            id_var = self._parse_id_var()
+1524    def _parse_oncommit(self) -> exp.Expression:
+1525        self._match_text_seq("COMMIT", "PRESERVE", "ROWS")
+1526        return exp.OnCommitProperty()
+1527
+1528    def _parse_distkey(self) -> exp.Expression:
+1529        return self.expression(exp.DistKeyProperty, this=self._parse_wrapped(self._parse_id_var))
 1530
-1531            if not id_var:
-1532                return None
-1533
-1534            options.append(
-1535                self.expression(
-1536                    exp.Property,
-1537                    this=this,
-1538                    value=exp.Var(this=id_var.this.upper()),
-1539                )
-1540            )
-1541        return self.expression(exp.LikeProperty, this=table, expressions=options)
-1542
-1543    def _parse_sortkey(self, compound: bool = False) -> exp.Expression:
-1544        return self.expression(
-1545            exp.SortKeyProperty, this=self._parse_wrapped_csv(self._parse_id_var), compound=compound
-1546        )
-1547
-1548    def _parse_character_set(self, default: bool = False) -> exp.Expression:
-1549        self._match(TokenType.EQ)
-1550        return self.expression(
-1551            exp.CharacterSetProperty, this=self._parse_var_or_string(), default=default
-1552        )
-1553
-1554    def _parse_returns(self) -> exp.Expression:
-1555        value: t.Optional[exp.Expression]
-1556        is_table = self._match(TokenType.TABLE)
-1557
-1558        if is_table:
-1559            if self._match(TokenType.LT):
-1560                value = self.expression(
-1561                    exp.Schema,
-1562                    this="TABLE",
-1563                    expressions=self._parse_csv(self._parse_struct_kwargs),
-1564                )
-1565                if not self._match(TokenType.GT):
-1566                    self.raise_error("Expecting >")
-1567            else:
-1568                value = self._parse_schema(exp.Var(this="TABLE"))
-1569        else:
-1570            value = self._parse_types()
-1571
-1572        return self.expression(exp.ReturnsProperty, this=value, is_table=is_table)
-1573
-1574    def _parse_temporary(self, global_=False) -> exp.Expression:
-1575        self._match(TokenType.TEMPORARY)  # in case calling from "GLOBAL"
-1576        return self.expression(exp.TemporaryProperty, global_=global_)
-1577
-1578    def _parse_describe(self) -> exp.Expression:
-1579        kind = self._match_set(self.CREATABLES) and self._prev.text
-1580        this = self._parse_table()
-1581
-1582        return self.expression(exp.Describe, this=this, kind=kind)
-1583
-1584    def _parse_insert(self) -> exp.Expression:
-1585        overwrite = self._match(TokenType.OVERWRITE)
-1586        local = self._match(TokenType.LOCAL)
-1587        alternative = None
+1531    def _parse_create_like(self) -> t.Optional[exp.Expression]:
+1532        table = self._parse_table(schema=True)
+1533        options = []
+1534        while self._match_texts(("INCLUDING", "EXCLUDING")):
+1535            this = self._prev.text.upper()
+1536            id_var = self._parse_id_var()
+1537
+1538            if not id_var:
+1539                return None
+1540
+1541            options.append(
+1542                self.expression(
+1543                    exp.Property,
+1544                    this=this,
+1545                    value=exp.Var(this=id_var.this.upper()),
+1546                )
+1547            )
+1548        return self.expression(exp.LikeProperty, this=table, expressions=options)
+1549
+1550    def _parse_sortkey(self, compound: bool = False) -> exp.Expression:
+1551        return self.expression(
+1552            exp.SortKeyProperty, this=self._parse_wrapped_csv(self._parse_id_var), compound=compound
+1553        )
+1554
+1555    def _parse_character_set(self, default: bool = False) -> exp.Expression:
+1556        self._match(TokenType.EQ)
+1557        return self.expression(
+1558            exp.CharacterSetProperty, this=self._parse_var_or_string(), default=default
+1559        )
+1560
+1561    def _parse_returns(self) -> exp.Expression:
+1562        value: t.Optional[exp.Expression]
+1563        is_table = self._match(TokenType.TABLE)
+1564
+1565        if is_table:
+1566            if self._match(TokenType.LT):
+1567                value = self.expression(
+1568                    exp.Schema,
+1569                    this="TABLE",
+1570                    expressions=self._parse_csv(self._parse_struct_kwargs),
+1571                )
+1572                if not self._match(TokenType.GT):
+1573                    self.raise_error("Expecting >")
+1574            else:
+1575                value = self._parse_schema(exp.Var(this="TABLE"))
+1576        else:
+1577            value = self._parse_types()
+1578
+1579        return self.expression(exp.ReturnsProperty, this=value, is_table=is_table)
+1580
+1581    def _parse_temporary(self, global_=False) -> exp.Expression:
+1582        self._match(TokenType.TEMPORARY)  # in case calling from "GLOBAL"
+1583        return self.expression(exp.TemporaryProperty, global_=global_)
+1584
+1585    def _parse_describe(self) -> exp.Expression:
+1586        kind = self._match_set(self.CREATABLES) and self._prev.text
+1587        this = self._parse_table()
 1588
-1589        if self._match_text_seq("DIRECTORY"):
-1590            this: t.Optional[exp.Expression] = self.expression(
-1591                exp.Directory,
-1592                this=self._parse_var_or_string(),
-1593                local=local,
-1594                row_format=self._parse_row_format(match_row=True),
-1595            )
-1596        else:
-1597            if self._match(TokenType.OR):
-1598                alternative = self._match_texts(self.INSERT_ALTERNATIVES) and self._prev.text
-1599
-1600            self._match(TokenType.INTO)
-1601            self._match(TokenType.TABLE)
-1602            this = self._parse_table(schema=True)
-1603
-1604        return self.expression(
-1605            exp.Insert,
-1606            this=this,
-1607            exists=self._parse_exists(),
-1608            partition=self._parse_partition(),
-1609            expression=self._parse_ddl_select(),
-1610            conflict=self._parse_on_conflict(),
-1611            returning=self._parse_returning(),
-1612            overwrite=overwrite,
-1613            alternative=alternative,
-1614        )
-1615
-1616    def _parse_on_conflict(self) -> t.Optional[exp.Expression]:
-1617        conflict = self._match_text_seq("ON", "CONFLICT")
-1618        duplicate = self._match_text_seq("ON", "DUPLICATE", "KEY")
-1619
-1620        if not (conflict or duplicate):
-1621            return None
+1589        return self.expression(exp.Describe, this=this, kind=kind)
+1590
+1591    def _parse_insert(self) -> exp.Expression:
+1592        overwrite = self._match(TokenType.OVERWRITE)
+1593        local = self._match(TokenType.LOCAL)
+1594        alternative = None
+1595
+1596        if self._match_text_seq("DIRECTORY"):
+1597            this: t.Optional[exp.Expression] = self.expression(
+1598                exp.Directory,
+1599                this=self._parse_var_or_string(),
+1600                local=local,
+1601                row_format=self._parse_row_format(match_row=True),
+1602            )
+1603        else:
+1604            if self._match(TokenType.OR):
+1605                alternative = self._match_texts(self.INSERT_ALTERNATIVES) and self._prev.text
+1606
+1607            self._match(TokenType.INTO)
+1608            self._match(TokenType.TABLE)
+1609            this = self._parse_table(schema=True)
+1610
+1611        return self.expression(
+1612            exp.Insert,
+1613            this=this,
+1614            exists=self._parse_exists(),
+1615            partition=self._parse_partition(),
+1616            expression=self._parse_ddl_select(),
+1617            conflict=self._parse_on_conflict(),
+1618            returning=self._parse_returning(),
+1619            overwrite=overwrite,
+1620            alternative=alternative,
+1621        )
 1622
-1623        nothing = None
-1624        expressions = None
-1625        key = None
-1626        constraint = None
-1627
-1628        if conflict:
-1629            if self._match_text_seq("ON", "CONSTRAINT"):
-1630                constraint = self._parse_id_var()
-1631            else:
-1632                key = self._parse_csv(self._parse_value)
-1633
-1634        self._match_text_seq("DO")
-1635        if self._match_text_seq("NOTHING"):
-1636            nothing = True
-1637        else:
-1638            self._match(TokenType.UPDATE)
-1639            expressions = self._match(TokenType.SET) and self._parse_csv(self._parse_equality)
+1623    def _parse_on_conflict(self) -> t.Optional[exp.Expression]:
+1624        conflict = self._match_text_seq("ON", "CONFLICT")
+1625        duplicate = self._match_text_seq("ON", "DUPLICATE", "KEY")
+1626
+1627        if not (conflict or duplicate):
+1628            return None
+1629
+1630        nothing = None
+1631        expressions = None
+1632        key = None
+1633        constraint = None
+1634
+1635        if conflict:
+1636            if self._match_text_seq("ON", "CONSTRAINT"):
+1637                constraint = self._parse_id_var()
+1638            else:
+1639                key = self._parse_csv(self._parse_value)
 1640
-1641        return self.expression(
-1642            exp.OnConflict,
-1643            duplicate=duplicate,
-1644            expressions=expressions,
-1645            nothing=nothing,
-1646            key=key,
-1647            constraint=constraint,
-1648        )
-1649
-1650    def _parse_returning(self) -> t.Optional[exp.Expression]:
-1651        if not self._match(TokenType.RETURNING):
-1652            return None
-1653
-1654        return self.expression(exp.Returning, expressions=self._parse_csv(self._parse_column))
-1655
-1656    def _parse_row(self) -> t.Optional[exp.Expression]:
-1657        if not self._match(TokenType.FORMAT):
-1658            return None
-1659        return self._parse_row_format()
+1641        self._match_text_seq("DO")
+1642        if self._match_text_seq("NOTHING"):
+1643            nothing = True
+1644        else:
+1645            self._match(TokenType.UPDATE)
+1646            expressions = self._match(TokenType.SET) and self._parse_csv(self._parse_equality)
+1647
+1648        return self.expression(
+1649            exp.OnConflict,
+1650            duplicate=duplicate,
+1651            expressions=expressions,
+1652            nothing=nothing,
+1653            key=key,
+1654            constraint=constraint,
+1655        )
+1656
+1657    def _parse_returning(self) -> t.Optional[exp.Expression]:
+1658        if not self._match(TokenType.RETURNING):
+1659            return None
 1660
-1661    def _parse_row_format(self, match_row: bool = False) -> t.Optional[exp.Expression]:
-1662        if match_row and not self._match_pair(TokenType.ROW, TokenType.FORMAT):
-1663            return None
-1664
-1665        if self._match_text_seq("SERDE"):
-1666            return self.expression(exp.RowFormatSerdeProperty, this=self._parse_string())
+1661        return self.expression(exp.Returning, expressions=self._parse_csv(self._parse_column))
+1662
+1663    def _parse_row(self) -> t.Optional[exp.Expression]:
+1664        if not self._match(TokenType.FORMAT):
+1665            return None
+1666        return self._parse_row_format()
 1667
-1668        self._match_text_seq("DELIMITED")
-1669
-1670        kwargs = {}
+1668    def _parse_row_format(self, match_row: bool = False) -> t.Optional[exp.Expression]:
+1669        if match_row and not self._match_pair(TokenType.ROW, TokenType.FORMAT):
+1670            return None
 1671
-1672        if self._match_text_seq("FIELDS", "TERMINATED", "BY"):
-1673            kwargs["fields"] = self._parse_string()
-1674            if self._match_text_seq("ESCAPED", "BY"):
-1675                kwargs["escaped"] = self._parse_string()
-1676        if self._match_text_seq("COLLECTION", "ITEMS", "TERMINATED", "BY"):
-1677            kwargs["collection_items"] = self._parse_string()
-1678        if self._match_text_seq("MAP", "KEYS", "TERMINATED", "BY"):
-1679            kwargs["map_keys"] = self._parse_string()
-1680        if self._match_text_seq("LINES", "TERMINATED", "BY"):
-1681            kwargs["lines"] = self._parse_string()
-1682        if self._match_text_seq("NULL", "DEFINED", "AS"):
-1683            kwargs["null"] = self._parse_string()
-1684
-1685        return self.expression(exp.RowFormatDelimitedProperty, **kwargs)  # type: ignore
-1686
-1687    def _parse_load_data(self) -> exp.Expression:
-1688        local = self._match(TokenType.LOCAL)
-1689        self._match_text_seq("INPATH")
-1690        inpath = self._parse_string()
-1691        overwrite = self._match(TokenType.OVERWRITE)
-1692        self._match_pair(TokenType.INTO, TokenType.TABLE)
+1672        if self._match_text_seq("SERDE"):
+1673            return self.expression(exp.RowFormatSerdeProperty, this=self._parse_string())
+1674
+1675        self._match_text_seq("DELIMITED")
+1676
+1677        kwargs = {}
+1678
+1679        if self._match_text_seq("FIELDS", "TERMINATED", "BY"):
+1680            kwargs["fields"] = self._parse_string()
+1681            if self._match_text_seq("ESCAPED", "BY"):
+1682                kwargs["escaped"] = self._parse_string()
+1683        if self._match_text_seq("COLLECTION", "ITEMS", "TERMINATED", "BY"):
+1684            kwargs["collection_items"] = self._parse_string()
+1685        if self._match_text_seq("MAP", "KEYS", "TERMINATED", "BY"):
+1686            kwargs["map_keys"] = self._parse_string()
+1687        if self._match_text_seq("LINES", "TERMINATED", "BY"):
+1688            kwargs["lines"] = self._parse_string()
+1689        if self._match_text_seq("NULL", "DEFINED", "AS"):
+1690            kwargs["null"] = self._parse_string()
+1691
+1692        return self.expression(exp.RowFormatDelimitedProperty, **kwargs)  # type: ignore
 1693
-1694        return self.expression(
-1695            exp.LoadData,
-1696            this=self._parse_table(schema=True),
-1697            local=local,
-1698            overwrite=overwrite,
-1699            inpath=inpath,
-1700            partition=self._parse_partition(),
-1701            input_format=self._match_text_seq("INPUTFORMAT") and self._parse_string(),
-1702            serde=self._match_text_seq("SERDE") and self._parse_string(),
-1703        )
-1704
-1705    def _parse_delete(self) -> exp.Expression:
-1706        self._match(TokenType.FROM)
-1707
-1708        return self.expression(
-1709            exp.Delete,
-1710            this=self._parse_table(),
-1711            using=self._parse_csv(lambda: self._match(TokenType.USING) and self._parse_table()),
-1712            where=self._parse_where(),
-1713            returning=self._parse_returning(),
-1714        )
-1715
-1716    def _parse_update(self) -> exp.Expression:
-1717        return self.expression(
-1718            exp.Update,
-1719            **{  # type: ignore
-1720                "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS),
-1721                "expressions": self._match(TokenType.SET) and self._parse_csv(self._parse_equality),
-1722                "from": self._parse_from(),
-1723                "where": self._parse_where(),
-1724                "returning": self._parse_returning(),
-1725            },
-1726        )
-1727
-1728    def _parse_uncache(self) -> exp.Expression:
-1729        if not self._match(TokenType.TABLE):
-1730            self.raise_error("Expecting TABLE after UNCACHE")
-1731
-1732        return self.expression(
-1733            exp.Uncache,
-1734            exists=self._parse_exists(),
-1735            this=self._parse_table(schema=True),
-1736        )
-1737
-1738    def _parse_cache(self) -> exp.Expression:
-1739        lazy = self._match(TokenType.LAZY)
-1740        self._match(TokenType.TABLE)
-1741        table = self._parse_table(schema=True)
-1742        options = []
-1743
-1744        if self._match(TokenType.OPTIONS):
-1745            self._match_l_paren()
-1746            k = self._parse_string()
-1747            self._match(TokenType.EQ)
-1748            v = self._parse_string()
-1749            options = [k, v]
-1750            self._match_r_paren()
-1751
-1752        self._match(TokenType.ALIAS)
-1753        return self.expression(
-1754            exp.Cache,
-1755            this=table,
-1756            lazy=lazy,
-1757            options=options,
-1758            expression=self._parse_select(nested=True),
-1759        )
-1760
-1761    def _parse_partition(self) -> t.Optional[exp.Expression]:
-1762        if not self._match(TokenType.PARTITION):
-1763            return None
-1764
-1765        return self.expression(
-1766            exp.Partition, expressions=self._parse_wrapped_csv(self._parse_conjunction)
-1767        )
-1768
-1769    def _parse_value(self) -> exp.Expression:
-1770        if self._match(TokenType.L_PAREN):
-1771            expressions = self._parse_csv(self._parse_conjunction)
-1772            self._match_r_paren()
-1773            return self.expression(exp.Tuple, expressions=expressions)
-1774
-1775        # In presto we can have VALUES 1, 2 which results in 1 column & 2 rows.
-1776        # Source: https://prestodb.io/docs/current/sql/values.html
-1777        return self.expression(exp.Tuple, expressions=[self._parse_conjunction()])
-1778
-1779    def _parse_select(
-1780        self, nested: bool = False, table: bool = False, parse_subquery_alias: bool = True
-1781    ) -> t.Optional[exp.Expression]:
-1782        cte = self._parse_with()
-1783        if cte:
-1784            this = self._parse_statement()
+1694    def _parse_load_data(self) -> exp.Expression:
+1695        local = self._match(TokenType.LOCAL)
+1696        self._match_text_seq("INPATH")
+1697        inpath = self._parse_string()
+1698        overwrite = self._match(TokenType.OVERWRITE)
+1699        self._match_pair(TokenType.INTO, TokenType.TABLE)
+1700
+1701        return self.expression(
+1702            exp.LoadData,
+1703            this=self._parse_table(schema=True),
+1704            local=local,
+1705            overwrite=overwrite,
+1706            inpath=inpath,
+1707            partition=self._parse_partition(),
+1708            input_format=self._match_text_seq("INPUTFORMAT") and self._parse_string(),
+1709            serde=self._match_text_seq("SERDE") and self._parse_string(),
+1710        )
+1711
+1712    def _parse_delete(self) -> exp.Expression:
+1713        self._match(TokenType.FROM)
+1714
+1715        return self.expression(
+1716            exp.Delete,
+1717            this=self._parse_table(),
+1718            using=self._parse_csv(lambda: self._match(TokenType.USING) and self._parse_table()),
+1719            where=self._parse_where(),
+1720            returning=self._parse_returning(),
+1721        )
+1722
+1723    def _parse_update(self) -> exp.Expression:
+1724        return self.expression(
+1725            exp.Update,
+1726            **{  # type: ignore
+1727                "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS),
+1728                "expressions": self._match(TokenType.SET) and self._parse_csv(self._parse_equality),
+1729                "from": self._parse_from(),
+1730                "where": self._parse_where(),
+1731                "returning": self._parse_returning(),
+1732            },
+1733        )
+1734
+1735    def _parse_uncache(self) -> exp.Expression:
+1736        if not self._match(TokenType.TABLE):
+1737            self.raise_error("Expecting TABLE after UNCACHE")
+1738
+1739        return self.expression(
+1740            exp.Uncache,
+1741            exists=self._parse_exists(),
+1742            this=self._parse_table(schema=True),
+1743        )
+1744
+1745    def _parse_cache(self) -> exp.Expression:
+1746        lazy = self._match(TokenType.LAZY)
+1747        self._match(TokenType.TABLE)
+1748        table = self._parse_table(schema=True)
+1749        options = []
+1750
+1751        if self._match(TokenType.OPTIONS):
+1752            self._match_l_paren()
+1753            k = self._parse_string()
+1754            self._match(TokenType.EQ)
+1755            v = self._parse_string()
+1756            options = [k, v]
+1757            self._match_r_paren()
+1758
+1759        self._match(TokenType.ALIAS)
+1760        return self.expression(
+1761            exp.Cache,
+1762            this=table,
+1763            lazy=lazy,
+1764            options=options,
+1765            expression=self._parse_select(nested=True),
+1766        )
+1767
+1768    def _parse_partition(self) -> t.Optional[exp.Expression]:
+1769        if not self._match(TokenType.PARTITION):
+1770            return None
+1771
+1772        return self.expression(
+1773            exp.Partition, expressions=self._parse_wrapped_csv(self._parse_conjunction)
+1774        )
+1775
+1776    def _parse_value(self) -> exp.Expression:
+1777        if self._match(TokenType.L_PAREN):
+1778            expressions = self._parse_csv(self._parse_conjunction)
+1779            self._match_r_paren()
+1780            return self.expression(exp.Tuple, expressions=expressions)
+1781
+1782        # In presto we can have VALUES 1, 2 which results in 1 column & 2 rows.
+1783        # Source: https://prestodb.io/docs/current/sql/values.html
+1784        return self.expression(exp.Tuple, expressions=[self._parse_conjunction()])
 1785
-1786            if not this:
-1787                self.raise_error("Failed to parse any statement following CTE")
-1788                return cte
-1789
-1790            if "with" in this.arg_types:
-1791                this.set("with", cte)
-1792            else:
-1793                self.raise_error(f"{this.key} does not support CTE")
-1794                this = cte
-1795        elif self._match(TokenType.SELECT):
-1796            comments = self._prev_comments
-1797
-1798            kind = (
-1799                self._match(TokenType.ALIAS)
-1800                and self._match_texts(("STRUCT", "VALUE"))
-1801                and self._prev.text
-1802            )
-1803            hint = self._parse_hint()
-1804            all_ = self._match(TokenType.ALL)
-1805            distinct = self._match(TokenType.DISTINCT)
-1806
-1807            if distinct:
-1808                distinct = self.expression(
-1809                    exp.Distinct,
-1810                    on=self._parse_value() if self._match(TokenType.ON) else None,
-1811                )
-1812
-1813            if all_ and distinct:
-1814                self.raise_error("Cannot specify both ALL and DISTINCT after SELECT")
-1815
-1816            limit = self._parse_limit(top=True)
-1817            expressions = self._parse_csv(self._parse_expression)
-1818
-1819            this = self.expression(
-1820                exp.Select,
-1821                kind=kind,
-1822                hint=hint,
-1823                distinct=distinct,
-1824                expressions=expressions,
-1825                limit=limit,
-1826            )
-1827            this.comments = comments
-1828
-1829            into = self._parse_into()
-1830            if into:
-1831                this.set("into", into)
-1832
-1833            from_ = self._parse_from()
-1834            if from_:
-1835                this.set("from", from_)
-1836
-1837            self._parse_query_modifiers(this)
-1838        elif (table or nested) and self._match(TokenType.L_PAREN):
-1839            this = self._parse_table() if table else self._parse_select(nested=True)
-1840            self._parse_query_modifiers(this)
-1841            this = self._parse_set_operations(this)
-1842            self._match_r_paren()
+1786    def _parse_select(
+1787        self, nested: bool = False, table: bool = False, parse_subquery_alias: bool = True
+1788    ) -> t.Optional[exp.Expression]:
+1789        cte = self._parse_with()
+1790        if cte:
+1791            this = self._parse_statement()
+1792
+1793            if not this:
+1794                self.raise_error("Failed to parse any statement following CTE")
+1795                return cte
+1796
+1797            if "with" in this.arg_types:
+1798                this.set("with", cte)
+1799            else:
+1800                self.raise_error(f"{this.key} does not support CTE")
+1801                this = cte
+1802        elif self._match(TokenType.SELECT):
+1803            comments = self._prev_comments
+1804
+1805            kind = (
+1806                self._match(TokenType.ALIAS)
+1807                and self._match_texts(("STRUCT", "VALUE"))
+1808                and self._prev.text
+1809            )
+1810            hint = self._parse_hint()
+1811            all_ = self._match(TokenType.ALL)
+1812            distinct = self._match(TokenType.DISTINCT)
+1813
+1814            if distinct:
+1815                distinct = self.expression(
+1816                    exp.Distinct,
+1817                    on=self._parse_value() if self._match(TokenType.ON) else None,
+1818                )
+1819
+1820            if all_ and distinct:
+1821                self.raise_error("Cannot specify both ALL and DISTINCT after SELECT")
+1822
+1823            limit = self._parse_limit(top=True)
+1824            expressions = self._parse_csv(self._parse_expression)
+1825
+1826            this = self.expression(
+1827                exp.Select,
+1828                kind=kind,
+1829                hint=hint,
+1830                distinct=distinct,
+1831                expressions=expressions,
+1832                limit=limit,
+1833            )
+1834            this.comments = comments
+1835
+1836            into = self._parse_into()
+1837            if into:
+1838                this.set("into", into)
+1839
+1840            from_ = self._parse_from()
+1841            if from_:
+1842                this.set("from", from_)
 1843
-1844            # early return so that subquery unions aren't parsed again
-1845            # SELECT * FROM (SELECT 1) UNION ALL SELECT 1
-1846            # Union ALL should be a property of the top select node, not the subquery
-1847            return self._parse_subquery(this, parse_alias=parse_subquery_alias)
-1848        elif self._match(TokenType.VALUES):
-1849            this = self.expression(
-1850                exp.Values,
-1851                expressions=self._parse_csv(self._parse_value),
-1852                alias=self._parse_table_alias(),
-1853            )
-1854        else:
-1855            this = None
-1856
-1857        return self._parse_set_operations(this)
-1858
-1859    def _parse_with(self, skip_with_token: bool = False) -> t.Optional[exp.Expression]:
-1860        if not skip_with_token and not self._match(TokenType.WITH):
-1861            return None
-1862
-1863        comments = self._prev_comments
-1864        recursive = self._match(TokenType.RECURSIVE)
+1844            self._parse_query_modifiers(this)
+1845        elif (table or nested) and self._match(TokenType.L_PAREN):
+1846            this = self._parse_table() if table else self._parse_select(nested=True)
+1847            self._parse_query_modifiers(this)
+1848            this = self._parse_set_operations(this)
+1849            self._match_r_paren()
+1850
+1851            # early return so that subquery unions aren't parsed again
+1852            # SELECT * FROM (SELECT 1) UNION ALL SELECT 1
+1853            # Union ALL should be a property of the top select node, not the subquery
+1854            return self._parse_subquery(this, parse_alias=parse_subquery_alias)
+1855        elif self._match(TokenType.VALUES):
+1856            this = self.expression(
+1857                exp.Values,
+1858                expressions=self._parse_csv(self._parse_value),
+1859                alias=self._parse_table_alias(),
+1860            )
+1861        else:
+1862            this = None
+1863
+1864        return self._parse_set_operations(this)
 1865
-1866        expressions = []
-1867        while True:
-1868            expressions.append(self._parse_cte())
+1866    def _parse_with(self, skip_with_token: bool = False) -> t.Optional[exp.Expression]:
+1867        if not skip_with_token and not self._match(TokenType.WITH):
+1868            return None
 1869
-1870            if not self._match(TokenType.COMMA) and not self._match(TokenType.WITH):
-1871                break
-1872            else:
-1873                self._match(TokenType.WITH)
-1874
-1875        return self.expression(
-1876            exp.With, comments=comments, expressions=expressions, recursive=recursive
-1877        )
-1878
-1879    def _parse_cte(self) -> exp.Expression:
-1880        alias = self._parse_table_alias()
-1881        if not alias or not alias.this:
-1882            self.raise_error("Expected CTE to have alias")
-1883
-1884        self._match(TokenType.ALIAS)
+1870        comments = self._prev_comments
+1871        recursive = self._match(TokenType.RECURSIVE)
+1872
+1873        expressions = []
+1874        while True:
+1875            expressions.append(self._parse_cte())
+1876
+1877            if not self._match(TokenType.COMMA) and not self._match(TokenType.WITH):
+1878                break
+1879            else:
+1880                self._match(TokenType.WITH)
+1881
+1882        return self.expression(
+1883            exp.With, comments=comments, expressions=expressions, recursive=recursive
+1884        )
 1885
-1886        return self.expression(
-1887            exp.CTE,
-1888            this=self._parse_wrapped(self._parse_statement),
-1889            alias=alias,
-1890        )
-1891
-1892    def _parse_table_alias(
-1893        self, alias_tokens: t.Optional[t.Collection[TokenType]] = None
-1894    ) -> t.Optional[exp.Expression]:
-1895        any_token = self._match(TokenType.ALIAS)
-1896        alias = (
-1897            self._parse_id_var(any_token=any_token, tokens=alias_tokens or self.TABLE_ALIAS_TOKENS)
-1898            or self._parse_string_as_identifier()
-1899        )
-1900
-1901        index = self._index
-1902        if self._match(TokenType.L_PAREN):
-1903            columns = self._parse_csv(self._parse_function_parameter)
-1904            self._match_r_paren() if columns else self._retreat(index)
-1905        else:
-1906            columns = None
+1886    def _parse_cte(self) -> exp.Expression:
+1887        alias = self._parse_table_alias()
+1888        if not alias or not alias.this:
+1889            self.raise_error("Expected CTE to have alias")
+1890
+1891        self._match(TokenType.ALIAS)
+1892
+1893        return self.expression(
+1894            exp.CTE,
+1895            this=self._parse_wrapped(self._parse_statement),
+1896            alias=alias,
+1897        )
+1898
+1899    def _parse_table_alias(
+1900        self, alias_tokens: t.Optional[t.Collection[TokenType]] = None
+1901    ) -> t.Optional[exp.Expression]:
+1902        any_token = self._match(TokenType.ALIAS)
+1903        alias = (
+1904            self._parse_id_var(any_token=any_token, tokens=alias_tokens or self.TABLE_ALIAS_TOKENS)
+1905            or self._parse_string_as_identifier()
+1906        )
 1907
-1908        if not alias and not columns:
-1909            return None
-1910
-1911        return self.expression(exp.TableAlias, this=alias, columns=columns)
-1912
-1913    def _parse_subquery(
-1914        self, this: t.Optional[exp.Expression], parse_alias: bool = True
-1915    ) -> exp.Expression:
-1916        return self.expression(
-1917            exp.Subquery,
-1918            this=this,
-1919            pivots=self._parse_pivots(),
-1920            alias=self._parse_table_alias() if parse_alias else None,
-1921        )
-1922
-1923    def _parse_query_modifiers(self, this: t.Optional[exp.Expression]) -> None:
-1924        if not isinstance(this, self.MODIFIABLES):
-1925            return
-1926
-1927        table = isinstance(this, exp.Table)
-1928
-1929        while True:
-1930            join = self._parse_join()
-1931            if join:
-1932                this.append("joins", join)
+1908        index = self._index
+1909        if self._match(TokenType.L_PAREN):
+1910            columns = self._parse_csv(self._parse_function_parameter)
+1911            self._match_r_paren() if columns else self._retreat(index)
+1912        else:
+1913            columns = None
+1914
+1915        if not alias and not columns:
+1916            return None
+1917
+1918        return self.expression(exp.TableAlias, this=alias, columns=columns)
+1919
+1920    def _parse_subquery(
+1921        self, this: t.Optional[exp.Expression], parse_alias: bool = True
+1922    ) -> exp.Expression:
+1923        return self.expression(
+1924            exp.Subquery,
+1925            this=this,
+1926            pivots=self._parse_pivots(),
+1927            alias=self._parse_table_alias() if parse_alias else None,
+1928        )
+1929
+1930    def _parse_query_modifiers(self, this: t.Optional[exp.Expression]) -> None:
+1931        if not isinstance(this, self.MODIFIABLES):
+1932            return
 1933
-1934            lateral = None
-1935            if not join:
-1936                lateral = self._parse_lateral()
-1937                if lateral:
-1938                    this.append("laterals", lateral)
-1939
-1940            comma = None if table else self._match(TokenType.COMMA)
-1941            if comma:
-1942                this.args["from"].append("expressions", self._parse_table())
-1943
-1944            if not (lateral or join or comma):
-1945                break
+1934        table = isinstance(this, exp.Table)
+1935
+1936        while True:
+1937            join = self._parse_join()
+1938            if join:
+1939                this.append("joins", join)
+1940
+1941            lateral = None
+1942            if not join:
+1943                lateral = self._parse_lateral()
+1944                if lateral:
+1945                    this.append("laterals", lateral)
 1946
-1947        for key, parser in self.QUERY_MODIFIER_PARSERS.items():
-1948            expression = parser(self)
-1949
-1950            if expression:
-1951                this.set(key, expression)
-1952
-1953    def _parse_hint(self) -> t.Optional[exp.Expression]:
-1954        if self._match(TokenType.HINT):
-1955            hints = self._parse_csv(self._parse_function)
-1956            if not self._match_pair(TokenType.STAR, TokenType.SLASH):
-1957                self.raise_error("Expected */ after HINT")
-1958            return self.expression(exp.Hint, expressions=hints)
+1947            comma = None if table else self._match(TokenType.COMMA)
+1948            if comma:
+1949                this.args["from"].append("expressions", self._parse_table())
+1950
+1951            if not (lateral or join or comma):
+1952                break
+1953
+1954        for key, parser in self.QUERY_MODIFIER_PARSERS.items():
+1955            expression = parser(self)
+1956
+1957            if expression:
+1958                this.set(key, expression)
 1959
-1960        return None
-1961
-1962    def _parse_into(self) -> t.Optional[exp.Expression]:
-1963        if not self._match(TokenType.INTO):
-1964            return None
-1965
-1966        temp = self._match(TokenType.TEMPORARY)
-1967        unlogged = self._match(TokenType.UNLOGGED)
-1968        self._match(TokenType.TABLE)
-1969
-1970        return self.expression(
-1971            exp.Into, this=self._parse_table(schema=True), temporary=temp, unlogged=unlogged
-1972        )
-1973
-1974    def _parse_from(self) -> t.Optional[exp.Expression]:
-1975        if not self._match(TokenType.FROM):
-1976            return None
-1977
-1978        return self.expression(
-1979            exp.From, comments=self._prev_comments, expressions=self._parse_csv(self._parse_table)
-1980        )
-1981
-1982    def _parse_match_recognize(self) -> t.Optional[exp.Expression]:
-1983        if not self._match(TokenType.MATCH_RECOGNIZE):
-1984            return None
-1985
-1986        self._match_l_paren()
-1987
-1988        partition = self._parse_partition_by()
-1989        order = self._parse_order()
-1990        measures = (
-1991            self._parse_csv(self._parse_expression) if self._match_text_seq("MEASURES") else None
-1992        )
-1993
-1994        if self._match_text_seq("ONE", "ROW", "PER", "MATCH"):
-1995            rows = exp.Var(this="ONE ROW PER MATCH")
-1996        elif self._match_text_seq("ALL", "ROWS", "PER", "MATCH"):
-1997            text = "ALL ROWS PER MATCH"
-1998            if self._match_text_seq("SHOW", "EMPTY", "MATCHES"):
-1999                text += f" SHOW EMPTY MATCHES"
-2000            elif self._match_text_seq("OMIT", "EMPTY", "MATCHES"):
-2001                text += f" OMIT EMPTY MATCHES"
-2002            elif self._match_text_seq("WITH", "UNMATCHED", "ROWS"):
-2003                text += f" WITH UNMATCHED ROWS"
-2004            rows = exp.Var(this=text)
-2005        else:
-2006            rows = None
-2007
-2008        if self._match_text_seq("AFTER", "MATCH", "SKIP"):
-2009            text = "AFTER MATCH SKIP"
-2010            if self._match_text_seq("PAST", "LAST", "ROW"):
-2011                text += f" PAST LAST ROW"
-2012            elif self._match_text_seq("TO", "NEXT", "ROW"):
-2013                text += f" TO NEXT ROW"
-2014            elif self._match_text_seq("TO", "FIRST"):
-2015                text += f" TO FIRST {self._advance_any().text}"  # type: ignore
-2016            elif self._match_text_seq("TO", "LAST"):
-2017                text += f" TO LAST {self._advance_any().text}"  # type: ignore
-2018            after = exp.Var(this=text)
-2019        else:
-2020            after = None
-2021
-2022        if self._match_text_seq("PATTERN"):
-2023            self._match_l_paren()
-2024
-2025            if not self._curr:
-2026                self.raise_error("Expecting )", self._curr)
-2027
-2028            paren = 1
-2029            start = self._curr
-2030
-2031            while self._curr and paren > 0:
-2032                if self._curr.token_type == TokenType.L_PAREN:
-2033                    paren += 1
-2034                if self._curr.token_type == TokenType.R_PAREN:
-2035                    paren -= 1
-2036                end = self._prev
-2037                self._advance()
-2038            if paren > 0:
-2039                self.raise_error("Expecting )", self._curr)
-2040            pattern = exp.Var(this=self._find_sql(start, end))
-2041        else:
-2042            pattern = None
-2043
-2044        define = (
-2045            self._parse_csv(
-2046                lambda: self.expression(
-2047                    exp.Alias,
-2048                    alias=self._parse_id_var(any_token=True),
-2049                    this=self._match(TokenType.ALIAS) and self._parse_conjunction(),
-2050                )
-2051            )
-2052            if self._match_text_seq("DEFINE")
-2053            else None
-2054        )
-2055
-2056        self._match_r_paren()
-2057
-2058        return self.expression(
-2059            exp.MatchRecognize,
-2060            partition_by=partition,
-2061            order=order,
-2062            measures=measures,
-2063            rows=rows,
-2064            after=after,
-2065            pattern=pattern,
-2066            define=define,
-2067            alias=self._parse_table_alias(),
-2068        )
-2069
-2070    def _parse_lateral(self) -> t.Optional[exp.Expression]:
-2071        outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY)
-2072        cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY)
-2073
-2074        if outer_apply or cross_apply:
-2075            this = self._parse_select(table=True)
-2076            view = None
-2077            outer = not cross_apply
-2078        elif self._match(TokenType.LATERAL):
-2079            this = self._parse_select(table=True)
-2080            view = self._match(TokenType.VIEW)
-2081            outer = self._match(TokenType.OUTER)
-2082        else:
-2083            return None
-2084
-2085        if not this:
-2086            this = self._parse_function() or self._parse_id_var(any_token=False)
-2087            while self._match(TokenType.DOT):
-2088                this = exp.Dot(
-2089                    this=this,
-2090                    expression=self._parse_function() or self._parse_id_var(any_token=False),
-2091                )
-2092
-2093        table_alias: t.Optional[exp.Expression]
-2094
-2095        if view:
-2096            table = self._parse_id_var(any_token=False)
-2097            columns = self._parse_csv(self._parse_id_var) if self._match(TokenType.ALIAS) else []
-2098            table_alias = self.expression(exp.TableAlias, this=table, columns=columns)
-2099        else:
-2100            table_alias = self._parse_table_alias()
+1960    def _parse_hint(self) -> t.Optional[exp.Expression]:
+1961        if self._match(TokenType.HINT):
+1962            hints = self._parse_csv(self._parse_function)
+1963            if not self._match_pair(TokenType.STAR, TokenType.SLASH):
+1964                self.raise_error("Expected */ after HINT")
+1965            return self.expression(exp.Hint, expressions=hints)
+1966
+1967        return None
+1968
+1969    def _parse_into(self) -> t.Optional[exp.Expression]:
+1970        if not self._match(TokenType.INTO):
+1971            return None
+1972
+1973        temp = self._match(TokenType.TEMPORARY)
+1974        unlogged = self._match(TokenType.UNLOGGED)
+1975        self._match(TokenType.TABLE)
+1976
+1977        return self.expression(
+1978            exp.Into, this=self._parse_table(schema=True), temporary=temp, unlogged=unlogged
+1979        )
+1980
+1981    def _parse_from(self) -> t.Optional[exp.Expression]:
+1982        if not self._match(TokenType.FROM):
+1983            return None
+1984
+1985        return self.expression(
+1986            exp.From, comments=self._prev_comments, expressions=self._parse_csv(self._parse_table)
+1987        )
+1988
+1989    def _parse_match_recognize(self) -> t.Optional[exp.Expression]:
+1990        if not self._match(TokenType.MATCH_RECOGNIZE):
+1991            return None
+1992
+1993        self._match_l_paren()
+1994
+1995        partition = self._parse_partition_by()
+1996        order = self._parse_order()
+1997        measures = (
+1998            self._parse_csv(self._parse_expression) if self._match_text_seq("MEASURES") else None
+1999        )
+2000
+2001        if self._match_text_seq("ONE", "ROW", "PER", "MATCH"):
+2002            rows = exp.Var(this="ONE ROW PER MATCH")
+2003        elif self._match_text_seq("ALL", "ROWS", "PER", "MATCH"):
+2004            text = "ALL ROWS PER MATCH"
+2005            if self._match_text_seq("SHOW", "EMPTY", "MATCHES"):
+2006                text += f" SHOW EMPTY MATCHES"
+2007            elif self._match_text_seq("OMIT", "EMPTY", "MATCHES"):
+2008                text += f" OMIT EMPTY MATCHES"
+2009            elif self._match_text_seq("WITH", "UNMATCHED", "ROWS"):
+2010                text += f" WITH UNMATCHED ROWS"
+2011            rows = exp.Var(this=text)
+2012        else:
+2013            rows = None
+2014
+2015        if self._match_text_seq("AFTER", "MATCH", "SKIP"):
+2016            text = "AFTER MATCH SKIP"
+2017            if self._match_text_seq("PAST", "LAST", "ROW"):
+2018                text += f" PAST LAST ROW"
+2019            elif self._match_text_seq("TO", "NEXT", "ROW"):
+2020                text += f" TO NEXT ROW"
+2021            elif self._match_text_seq("TO", "FIRST"):
+2022                text += f" TO FIRST {self._advance_any().text}"  # type: ignore
+2023            elif self._match_text_seq("TO", "LAST"):
+2024                text += f" TO LAST {self._advance_any().text}"  # type: ignore
+2025            after = exp.Var(this=text)
+2026        else:
+2027            after = None
+2028
+2029        if self._match_text_seq("PATTERN"):
+2030            self._match_l_paren()
+2031
+2032            if not self._curr:
+2033                self.raise_error("Expecting )", self._curr)
+2034
+2035            paren = 1
+2036            start = self._curr
+2037
+2038            while self._curr and paren > 0:
+2039                if self._curr.token_type == TokenType.L_PAREN:
+2040                    paren += 1
+2041                if self._curr.token_type == TokenType.R_PAREN:
+2042                    paren -= 1
+2043                end = self._prev
+2044                self._advance()
+2045            if paren > 0:
+2046                self.raise_error("Expecting )", self._curr)
+2047            pattern = exp.Var(this=self._find_sql(start, end))
+2048        else:
+2049            pattern = None
+2050
+2051        define = (
+2052            self._parse_csv(
+2053                lambda: self.expression(
+2054                    exp.Alias,
+2055                    alias=self._parse_id_var(any_token=True),
+2056                    this=self._match(TokenType.ALIAS) and self._parse_conjunction(),
+2057                )
+2058            )
+2059            if self._match_text_seq("DEFINE")
+2060            else None
+2061        )
+2062
+2063        self._match_r_paren()
+2064
+2065        return self.expression(
+2066            exp.MatchRecognize,
+2067            partition_by=partition,
+2068            order=order,
+2069            measures=measures,
+2070            rows=rows,
+2071            after=after,
+2072            pattern=pattern,
+2073            define=define,
+2074            alias=self._parse_table_alias(),
+2075        )
+2076
+2077    def _parse_lateral(self) -> t.Optional[exp.Expression]:
+2078        outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY)
+2079        cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY)
+2080
+2081        if outer_apply or cross_apply:
+2082            this = self._parse_select(table=True)
+2083            view = None
+2084            outer = not cross_apply
+2085        elif self._match(TokenType.LATERAL):
+2086            this = self._parse_select(table=True)
+2087            view = self._match(TokenType.VIEW)
+2088            outer = self._match(TokenType.OUTER)
+2089        else:
+2090            return None
+2091
+2092        if not this:
+2093            this = self._parse_function() or self._parse_id_var(any_token=False)
+2094            while self._match(TokenType.DOT):
+2095                this = exp.Dot(
+2096                    this=this,
+2097                    expression=self._parse_function() or self._parse_id_var(any_token=False),
+2098                )
+2099
+2100        table_alias: t.Optional[exp.Expression]
 2101
-2102        expression = self.expression(
-2103            exp.Lateral,
-2104            this=this,
-2105            view=view,
-2106            outer=outer,
-2107            alias=table_alias,
-2108        )
-2109
-2110        return expression
-2111
-2112    def _parse_join_side_and_kind(
-2113        self,
-2114    ) -> t.Tuple[t.Optional[Token], t.Optional[Token], t.Optional[Token]]:
-2115        return (
-2116            self._match(TokenType.NATURAL) and self._prev,
-2117            self._match_set(self.JOIN_SIDES) and self._prev,
-2118            self._match_set(self.JOIN_KINDS) and self._prev,
-2119        )
-2120
-2121    def _parse_join(self, skip_join_token: bool = False) -> t.Optional[exp.Expression]:
-2122        index = self._index
-2123        natural, side, kind = self._parse_join_side_and_kind()
-2124        hint = self._prev.text if self._match_texts(self.JOIN_HINTS) else None
-2125        join = self._match(TokenType.JOIN)
-2126
-2127        if not skip_join_token and not join:
-2128            self._retreat(index)
-2129            kind = None
-2130            natural = None
-2131            side = None
-2132
-2133        outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY, False)
-2134        cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY, False)
-2135
-2136        if not skip_join_token and not join and not outer_apply and not cross_apply:
-2137            return None
-2138
-2139        if outer_apply:
-2140            side = Token(TokenType.LEFT, "LEFT")
-2141
-2142        kwargs: t.Dict[
-2143            str, t.Optional[exp.Expression] | bool | str | t.List[t.Optional[exp.Expression]]
-2144        ] = {"this": self._parse_table()}
+2102        if view:
+2103            table = self._parse_id_var(any_token=False)
+2104            columns = self._parse_csv(self._parse_id_var) if self._match(TokenType.ALIAS) else []
+2105            table_alias = self.expression(exp.TableAlias, this=table, columns=columns)
+2106        else:
+2107            table_alias = self._parse_table_alias()
+2108
+2109        expression = self.expression(
+2110            exp.Lateral,
+2111            this=this,
+2112            view=view,
+2113            outer=outer,
+2114            alias=table_alias,
+2115        )
+2116
+2117        return expression
+2118
+2119    def _parse_join_side_and_kind(
+2120        self,
+2121    ) -> t.Tuple[t.Optional[Token], t.Optional[Token], t.Optional[Token]]:
+2122        return (
+2123            self._match(TokenType.NATURAL) and self._prev,
+2124            self._match_set(self.JOIN_SIDES) and self._prev,
+2125            self._match_set(self.JOIN_KINDS) and self._prev,
+2126        )
+2127
+2128    def _parse_join(self, skip_join_token: bool = False) -> t.Optional[exp.Expression]:
+2129        index = self._index
+2130        natural, side, kind = self._parse_join_side_and_kind()
+2131        hint = self._prev.text if self._match_texts(self.JOIN_HINTS) else None
+2132        join = self._match(TokenType.JOIN)
+2133
+2134        if not skip_join_token and not join:
+2135            self._retreat(index)
+2136            kind = None
+2137            natural = None
+2138            side = None
+2139
+2140        outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY, False)
+2141        cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY, False)
+2142
+2143        if not skip_join_token and not join and not outer_apply and not cross_apply:
+2144            return None
 2145
-2146        if natural:
-2147            kwargs["natural"] = True
-2148        if side:
-2149            kwargs["side"] = side.text
-2150        if kind:
-2151            kwargs["kind"] = kind.text
-2152        if hint:
-2153            kwargs["hint"] = hint
-2154
-2155        if self._match(TokenType.ON):
-2156            kwargs["on"] = self._parse_conjunction()
-2157        elif self._match(TokenType.USING):
-2158            kwargs["using"] = self._parse_wrapped_id_vars()
-2159
-2160        return self.expression(exp.Join, **kwargs)  # type: ignore
+2146        if outer_apply:
+2147            side = Token(TokenType.LEFT, "LEFT")
+2148
+2149        kwargs: t.Dict[
+2150            str, t.Optional[exp.Expression] | bool | str | t.List[t.Optional[exp.Expression]]
+2151        ] = {"this": self._parse_table()}
+2152
+2153        if natural:
+2154            kwargs["natural"] = True
+2155        if side:
+2156            kwargs["side"] = side.text
+2157        if kind:
+2158            kwargs["kind"] = kind.text
+2159        if hint:
+2160            kwargs["hint"] = hint
 2161
-2162    def _parse_index(self) -> exp.Expression:
-2163        index = self._parse_id_var()
-2164        self._match(TokenType.ON)
-2165        self._match(TokenType.TABLE)  # hive
+2162        if self._match(TokenType.ON):
+2163            kwargs["on"] = self._parse_conjunction()
+2164        elif self._match(TokenType.USING):
+2165            kwargs["using"] = self._parse_wrapped_id_vars()
 2166
-2167        return self.expression(
-2168            exp.Index,
-2169            this=index,
-2170            table=self.expression(exp.Table, this=self._parse_id_var()),
-2171            columns=self._parse_expression(),
-2172        )
+2167        return self.expression(exp.Join, **kwargs)  # type: ignore
+2168
+2169    def _parse_index(self) -> exp.Expression:
+2170        index = self._parse_id_var()
+2171        self._match(TokenType.ON)
+2172        self._match(TokenType.TABLE)  # hive
 2173
-2174    def _parse_create_table_index(self) -> t.Optional[exp.Expression]:
-2175        unique = self._match(TokenType.UNIQUE)
-2176        primary = self._match_text_seq("PRIMARY")
-2177        amp = self._match_text_seq("AMP")
-2178        if not self._match(TokenType.INDEX):
-2179            return None
-2180        index = self._parse_id_var()
-2181        columns = None
-2182        if self._match(TokenType.L_PAREN, advance=False):
-2183            columns = self._parse_wrapped_csv(self._parse_column)
-2184        return self.expression(
-2185            exp.Index,
-2186            this=index,
-2187            columns=columns,
-2188            unique=unique,
-2189            primary=primary,
-2190            amp=amp,
-2191        )
-2192
-2193    def _parse_table_parts(self, schema: bool = False) -> exp.Expression:
-2194        catalog = None
-2195        db = None
-2196
-2197        table = (
-2198            (not schema and self._parse_function())
-2199            or self._parse_id_var(any_token=False)
-2200            or self._parse_string_as_identifier()
-2201        )
-2202
-2203        while self._match(TokenType.DOT):
-2204            if catalog:
-2205                # This allows nesting the table in arbitrarily many dot expressions if needed
-2206                table = self.expression(exp.Dot, this=table, expression=self._parse_id_var())
-2207            else:
-2208                catalog = db
-2209                db = table
-2210                table = self._parse_id_var()
-2211
-2212        if not table:
-2213            self.raise_error(f"Expected table name but got {self._curr}")
-2214
-2215        return self.expression(
-2216            exp.Table, this=table, db=db, catalog=catalog, pivots=self._parse_pivots()
-2217        )
+2174        return self.expression(
+2175            exp.Index,
+2176            this=index,
+2177            table=self.expression(exp.Table, this=self._parse_id_var()),
+2178            columns=self._parse_expression(),
+2179        )
+2180
+2181    def _parse_create_table_index(self) -> t.Optional[exp.Expression]:
+2182        unique = self._match(TokenType.UNIQUE)
+2183        primary = self._match_text_seq("PRIMARY")
+2184        amp = self._match_text_seq("AMP")
+2185        if not self._match(TokenType.INDEX):
+2186            return None
+2187        index = self._parse_id_var()
+2188        columns = None
+2189        if self._match(TokenType.L_PAREN, advance=False):
+2190            columns = self._parse_wrapped_csv(self._parse_column)
+2191        return self.expression(
+2192            exp.Index,
+2193            this=index,
+2194            columns=columns,
+2195            unique=unique,
+2196            primary=primary,
+2197            amp=amp,
+2198        )
+2199
+2200    def _parse_table_parts(self, schema: bool = False) -> exp.Expression:
+2201        catalog = None
+2202        db = None
+2203
+2204        table = (
+2205            (not schema and self._parse_function())
+2206            or self._parse_id_var(any_token=False)
+2207            or self._parse_string_as_identifier()
+2208        )
+2209
+2210        while self._match(TokenType.DOT):
+2211            if catalog:
+2212                # This allows nesting the table in arbitrarily many dot expressions if needed
+2213                table = self.expression(exp.Dot, this=table, expression=self._parse_id_var())
+2214            else:
+2215                catalog = db
+2216                db = table
+2217                table = self._parse_id_var()
 2218
-2219    def _parse_table(
-2220        self, schema: bool = False, alias_tokens: t.Optional[t.Collection[TokenType]] = None
-2221    ) -> t.Optional[exp.Expression]:
-2222        lateral = self._parse_lateral()
-2223
-2224        if lateral:
-2225            return lateral
-2226
-2227        unnest = self._parse_unnest()
-2228
-2229        if unnest:
-2230            return unnest
-2231
-2232        values = self._parse_derived_table_values()
+2219        if not table:
+2220            self.raise_error(f"Expected table name but got {self._curr}")
+2221
+2222        return self.expression(
+2223            exp.Table, this=table, db=db, catalog=catalog, pivots=self._parse_pivots()
+2224        )
+2225
+2226    def _parse_table(
+2227        self, schema: bool = False, alias_tokens: t.Optional[t.Collection[TokenType]] = None
+2228    ) -> t.Optional[exp.Expression]:
+2229        lateral = self._parse_lateral()
+2230
+2231        if lateral:
+2232            return lateral
 2233
-2234        if values:
-2235            return values
-2236
-2237        subquery = self._parse_select(table=True)
+2234        unnest = self._parse_unnest()
+2235
+2236        if unnest:
+2237            return unnest
 2238
-2239        if subquery:
-2240            if not subquery.args.get("pivots"):
-2241                subquery.set("pivots", self._parse_pivots())
-2242            return subquery
+2239        values = self._parse_derived_table_values()
+2240
+2241        if values:
+2242            return values
 2243
-2244        this = self._parse_table_parts(schema=schema)
+2244        subquery = self._parse_select(table=True)
 2245
-2246        if schema:
-2247            return self._parse_schema(this=this)
-2248
-2249        if self.alias_post_tablesample:
-2250            table_sample = self._parse_table_sample()
-2251
-2252        alias = self._parse_table_alias(alias_tokens=alias_tokens or self.TABLE_ALIAS_TOKENS)
-2253
-2254        if alias:
-2255            this.set("alias", alias)
-2256
-2257        if not this.args.get("pivots"):
-2258            this.set("pivots", self._parse_pivots())
-2259
-2260        if self._match_pair(TokenType.WITH, TokenType.L_PAREN):
-2261            this.set(
-2262                "hints",
-2263                self._parse_csv(lambda: self._parse_function() or self._parse_var(any_token=True)),
-2264            )
-2265            self._match_r_paren()
+2246        if subquery:
+2247            if not subquery.args.get("pivots"):
+2248                subquery.set("pivots", self._parse_pivots())
+2249            return subquery
+2250
+2251        this = self._parse_table_parts(schema=schema)
+2252
+2253        if schema:
+2254            return self._parse_schema(this=this)
+2255
+2256        if self.alias_post_tablesample:
+2257            table_sample = self._parse_table_sample()
+2258
+2259        alias = self._parse_table_alias(alias_tokens=alias_tokens or self.TABLE_ALIAS_TOKENS)
+2260
+2261        if alias:
+2262            this.set("alias", alias)
+2263
+2264        if not this.args.get("pivots"):
+2265            this.set("pivots", self._parse_pivots())
 2266
-2267        if not self.alias_post_tablesample:
-2268            table_sample = self._parse_table_sample()
-2269
-2270        if table_sample:
-2271            table_sample.set("this", this)
-2272            this = table_sample
+2267        if self._match_pair(TokenType.WITH, TokenType.L_PAREN):
+2268            this.set(
+2269                "hints",
+2270                self._parse_csv(lambda: self._parse_function() or self._parse_var(any_token=True)),
+2271            )
+2272            self._match_r_paren()
 2273
-2274        return this
-2275
-2276    def _parse_unnest(self) -> t.Optional[exp.Expression]:
-2277        if not self._match(TokenType.UNNEST):
-2278            return None
-2279
-2280        expressions = self._parse_wrapped_csv(self._parse_column)
-2281        ordinality = self._match_pair(TokenType.WITH, TokenType.ORDINALITY)
-2282        alias = self._parse_table_alias()
-2283
-2284        if alias and self.unnest_column_only:
-2285            if alias.args.get("columns"):
-2286                self.raise_error("Unexpected extra column alias in unnest.")
-2287            alias.set("columns", [alias.this])
-2288            alias.set("this", None)
-2289
-2290        offset = None
-2291        if self._match_pair(TokenType.WITH, TokenType.OFFSET):
-2292            self._match(TokenType.ALIAS)
-2293            offset = self._parse_id_var() or exp.Identifier(this="offset")
-2294
-2295        return self.expression(
-2296            exp.Unnest,
-2297            expressions=expressions,
-2298            ordinality=ordinality,
-2299            alias=alias,
-2300            offset=offset,
-2301        )
-2302
-2303    def _parse_derived_table_values(self) -> t.Optional[exp.Expression]:
-2304        is_derived = self._match_pair(TokenType.L_PAREN, TokenType.VALUES)
-2305        if not is_derived and not self._match(TokenType.VALUES):
-2306            return None
-2307
-2308        expressions = self._parse_csv(self._parse_value)
+2274        if not self.alias_post_tablesample:
+2275            table_sample = self._parse_table_sample()
+2276
+2277        if table_sample:
+2278            table_sample.set("this", this)
+2279            this = table_sample
+2280
+2281        return this
+2282
+2283    def _parse_unnest(self) -> t.Optional[exp.Expression]:
+2284        if not self._match(TokenType.UNNEST):
+2285            return None
+2286
+2287        expressions = self._parse_wrapped_csv(self._parse_type)
+2288        ordinality = self._match_pair(TokenType.WITH, TokenType.ORDINALITY)
+2289        alias = self._parse_table_alias()
+2290
+2291        if alias and self.unnest_column_only:
+2292            if alias.args.get("columns"):
+2293                self.raise_error("Unexpected extra column alias in unnest.")
+2294            alias.set("columns", [alias.this])
+2295            alias.set("this", None)
+2296
+2297        offset = None
+2298        if self._match_pair(TokenType.WITH, TokenType.OFFSET):
+2299            self._match(TokenType.ALIAS)
+2300            offset = self._parse_id_var() or exp.Identifier(this="offset")
+2301
+2302        return self.expression(
+2303            exp.Unnest,
+2304            expressions=expressions,
+2305            ordinality=ordinality,
+2306            alias=alias,
+2307            offset=offset,
+2308        )
 2309
-2310        if is_derived:
-2311            self._match_r_paren()
-2312
-2313        return self.expression(exp.Values, expressions=expressions, alias=self._parse_table_alias())
+2310    def _parse_derived_table_values(self) -> t.Optional[exp.Expression]:
+2311        is_derived = self._match_pair(TokenType.L_PAREN, TokenType.VALUES)
+2312        if not is_derived and not self._match(TokenType.VALUES):
+2313            return None
 2314
-2315    def _parse_table_sample(self, as_modifier: bool = False) -> t.Optional[exp.Expression]:
-2316        if not self._match(TokenType.TABLE_SAMPLE) and not (
-2317            as_modifier and self._match_text_seq("USING", "SAMPLE")
-2318        ):
-2319            return None
-2320
-2321        bucket_numerator = None
-2322        bucket_denominator = None
-2323        bucket_field = None
-2324        percent = None
-2325        rows = None
-2326        size = None
-2327        seed = None
-2328
-2329        kind = "TABLESAMPLE" if self._prev.token_type == TokenType.TABLE_SAMPLE else "USING SAMPLE"
-2330        method = self._parse_var(tokens=(TokenType.ROW,))
-2331
-2332        self._match(TokenType.L_PAREN)
-2333
-2334        num = self._parse_number()
+2315        expressions = self._parse_csv(self._parse_value)
+2316
+2317        if is_derived:
+2318            self._match_r_paren()
+2319
+2320        return self.expression(exp.Values, expressions=expressions, alias=self._parse_table_alias())
+2321
+2322    def _parse_table_sample(self, as_modifier: bool = False) -> t.Optional[exp.Expression]:
+2323        if not self._match(TokenType.TABLE_SAMPLE) and not (
+2324            as_modifier and self._match_text_seq("USING", "SAMPLE")
+2325        ):
+2326            return None
+2327
+2328        bucket_numerator = None
+2329        bucket_denominator = None
+2330        bucket_field = None
+2331        percent = None
+2332        rows = None
+2333        size = None
+2334        seed = None
 2335
-2336        if self._match(TokenType.BUCKET):
-2337            bucket_numerator = self._parse_number()
-2338            self._match(TokenType.OUT_OF)
-2339            bucket_denominator = bucket_denominator = self._parse_number()
-2340            self._match(TokenType.ON)
-2341            bucket_field = self._parse_field()
-2342        elif self._match_set((TokenType.PERCENT, TokenType.MOD)):
-2343            percent = num
-2344        elif self._match(TokenType.ROWS):
-2345            rows = num
-2346        else:
-2347            size = num
-2348
-2349        self._match(TokenType.R_PAREN)
-2350
-2351        if self._match(TokenType.L_PAREN):
-2352            method = self._parse_var()
-2353            seed = self._match(TokenType.COMMA) and self._parse_number()
-2354            self._match_r_paren()
-2355        elif self._match_texts(("SEED", "REPEATABLE")):
-2356            seed = self._parse_wrapped(self._parse_number)
+2336        kind = (
+2337            self._prev.text if self._prev.token_type == TokenType.TABLE_SAMPLE else "USING SAMPLE"
+2338        )
+2339        method = self._parse_var(tokens=(TokenType.ROW,))
+2340
+2341        self._match(TokenType.L_PAREN)
+2342
+2343        num = self._parse_number()
+2344
+2345        if self._match(TokenType.BUCKET):
+2346            bucket_numerator = self._parse_number()
+2347            self._match(TokenType.OUT_OF)
+2348            bucket_denominator = bucket_denominator = self._parse_number()
+2349            self._match(TokenType.ON)
+2350            bucket_field = self._parse_field()
+2351        elif self._match_set((TokenType.PERCENT, TokenType.MOD)):
+2352            percent = num
+2353        elif self._match(TokenType.ROWS):
+2354            rows = num
+2355        else:
+2356            size = num
 2357
-2358        return self.expression(
-2359            exp.TableSample,
-2360            method=method,
-2361            bucket_numerator=bucket_numerator,
-2362            bucket_denominator=bucket_denominator,
-2363            bucket_field=bucket_field,
-2364            percent=percent,
-2365            rows=rows,
-2366            size=size,
-2367            seed=seed,
-2368            kind=kind,
-2369        )
-2370
-2371    def _parse_pivots(self) -> t.List[t.Optional[exp.Expression]]:
-2372        return list(iter(self._parse_pivot, None))
-2373
-2374    def _parse_pivot(self) -> t.Optional[exp.Expression]:
-2375        index = self._index
-2376
-2377        if self._match(TokenType.PIVOT):
-2378            unpivot = False
-2379        elif self._match(TokenType.UNPIVOT):
-2380            unpivot = True
-2381        else:
-2382            return None
-2383
-2384        expressions = []
-2385        field = None
-2386
-2387        if not self._match(TokenType.L_PAREN):
-2388            self._retreat(index)
-2389            return None
-2390
-2391        if unpivot:
-2392            expressions = self._parse_csv(self._parse_column)
-2393        else:
-2394            expressions = self._parse_csv(lambda: self._parse_alias(self._parse_function()))
+2358        self._match(TokenType.R_PAREN)
+2359
+2360        if self._match(TokenType.L_PAREN):
+2361            method = self._parse_var()
+2362            seed = self._match(TokenType.COMMA) and self._parse_number()
+2363            self._match_r_paren()
+2364        elif self._match_texts(("SEED", "REPEATABLE")):
+2365            seed = self._parse_wrapped(self._parse_number)
+2366
+2367        return self.expression(
+2368            exp.TableSample,
+2369            method=method,
+2370            bucket_numerator=bucket_numerator,
+2371            bucket_denominator=bucket_denominator,
+2372            bucket_field=bucket_field,
+2373            percent=percent,
+2374            rows=rows,
+2375            size=size,
+2376            seed=seed,
+2377            kind=kind,
+2378        )
+2379
+2380    def _parse_pivots(self) -> t.List[t.Optional[exp.Expression]]:
+2381        return list(iter(self._parse_pivot, None))
+2382
+2383    def _parse_pivot(self) -> t.Optional[exp.Expression]:
+2384        index = self._index
+2385
+2386        if self._match(TokenType.PIVOT):
+2387            unpivot = False
+2388        elif self._match(TokenType.UNPIVOT):
+2389            unpivot = True
+2390        else:
+2391            return None
+2392
+2393        expressions = []
+2394        field = None
 2395
-2396        if not expressions:
-2397            self.raise_error("Failed to parse PIVOT's aggregation list")
-2398
-2399        if not self._match(TokenType.FOR):
-2400            self.raise_error("Expecting FOR")
-2401
-2402        value = self._parse_column()
-2403
-2404        if not self._match(TokenType.IN):
-2405            self.raise_error("Expecting IN")
-2406
-2407        field = self._parse_in(value)
-2408
-2409        self._match_r_paren()
+2396        if not self._match(TokenType.L_PAREN):
+2397            self._retreat(index)
+2398            return None
+2399
+2400        if unpivot:
+2401            expressions = self._parse_csv(self._parse_column)
+2402        else:
+2403            expressions = self._parse_csv(lambda: self._parse_alias(self._parse_function()))
+2404
+2405        if not expressions:
+2406            self.raise_error("Failed to parse PIVOT's aggregation list")
+2407
+2408        if not self._match(TokenType.FOR):
+2409            self.raise_error("Expecting FOR")
 2410
-2411        pivot = self.expression(exp.Pivot, expressions=expressions, field=field, unpivot=unpivot)
+2411        value = self._parse_column()
 2412
-2413        if not self._match_set((TokenType.PIVOT, TokenType.UNPIVOT), advance=False):
-2414            pivot.set("alias", self._parse_table_alias())
+2413        if not self._match(TokenType.IN):
+2414            self.raise_error("Expecting IN")
 2415
-2416        if not unpivot:
-2417            names = self._pivot_column_names(t.cast(t.List[exp.Expression], expressions))
-2418
-2419            columns: t.List[exp.Expression] = []
-2420            for col in pivot.args["field"].expressions:
-2421                for name in names:
-2422                    if self.PREFIXED_PIVOT_COLUMNS:
-2423                        name = f"{name}_{col.alias_or_name}" if name else col.alias_or_name
-2424                    else:
-2425                        name = f"{col.alias_or_name}_{name}" if name else col.alias_or_name
-2426
-2427                    columns.append(exp.to_identifier(name, quoted=self.QUOTED_PIVOT_COLUMNS))
-2428
-2429            pivot.set("columns", columns)
-2430
-2431        return pivot
-2432
-2433    def _pivot_column_names(self, pivot_columns: t.List[exp.Expression]) -> t.List[str]:
-2434        return [agg.alias for agg in pivot_columns]
+2416        field = self._parse_in(value)
+2417
+2418        self._match_r_paren()
+2419
+2420        pivot = self.expression(exp.Pivot, expressions=expressions, field=field, unpivot=unpivot)
+2421
+2422        if not self._match_set((TokenType.PIVOT, TokenType.UNPIVOT), advance=False):
+2423            pivot.set("alias", self._parse_table_alias())
+2424
+2425        if not unpivot:
+2426            names = self._pivot_column_names(t.cast(t.List[exp.Expression], expressions))
+2427
+2428            columns: t.List[exp.Expression] = []
+2429            for col in pivot.args["field"].expressions:
+2430                for name in names:
+2431                    if self.PREFIXED_PIVOT_COLUMNS:
+2432                        name = f"{name}_{col.alias_or_name}" if name else col.alias_or_name
+2433                    else:
+2434                        name = f"{col.alias_or_name}_{name}" if name else col.alias_or_name
 2435
-2436    def _parse_where(self, skip_where_token: bool = False) -> t.Optional[exp.Expression]:
-2437        if not skip_where_token and not self._match(TokenType.WHERE):
-2438            return None
+2436                    columns.append(exp.to_identifier(name, quoted=self.QUOTED_PIVOT_COLUMNS))
+2437
+2438            pivot.set("columns", columns)
 2439
-2440        return self.expression(
-2441            exp.Where, comments=self._prev_comments, this=self._parse_conjunction()
-2442        )
-2443
-2444    def _parse_group(self, skip_group_by_token: bool = False) -> t.Optional[exp.Expression]:
-2445        if not skip_group_by_token and not self._match(TokenType.GROUP_BY):
-2446            return None
-2447
-2448        elements = defaultdict(list)
-2449
-2450        while True:
-2451            expressions = self._parse_csv(self._parse_conjunction)
-2452            if expressions:
-2453                elements["expressions"].extend(expressions)
-2454
-2455            grouping_sets = self._parse_grouping_sets()
-2456            if grouping_sets:
-2457                elements["grouping_sets"].extend(grouping_sets)
+2440        return pivot
+2441
+2442    def _pivot_column_names(self, pivot_columns: t.List[exp.Expression]) -> t.List[str]:
+2443        return [agg.alias for agg in pivot_columns]
+2444
+2445    def _parse_where(self, skip_where_token: bool = False) -> t.Optional[exp.Expression]:
+2446        if not skip_where_token and not self._match(TokenType.WHERE):
+2447            return None
+2448
+2449        return self.expression(
+2450            exp.Where, comments=self._prev_comments, this=self._parse_conjunction()
+2451        )
+2452
+2453    def _parse_group(self, skip_group_by_token: bool = False) -> t.Optional[exp.Expression]:
+2454        if not skip_group_by_token and not self._match(TokenType.GROUP_BY):
+2455            return None
+2456
+2457        elements = defaultdict(list)
 2458
-2459            rollup = None
-2460            cube = None
-2461
-2462            with_ = self._match(TokenType.WITH)
-2463            if self._match(TokenType.ROLLUP):
-2464                rollup = with_ or self._parse_wrapped_csv(self._parse_column)
-2465                elements["rollup"].extend(ensure_list(rollup))
-2466
-2467            if self._match(TokenType.CUBE):
-2468                cube = with_ or self._parse_wrapped_csv(self._parse_column)
-2469                elements["cube"].extend(ensure_list(cube))
+2459        while True:
+2460            expressions = self._parse_csv(self._parse_conjunction)
+2461            if expressions:
+2462                elements["expressions"].extend(expressions)
+2463
+2464            grouping_sets = self._parse_grouping_sets()
+2465            if grouping_sets:
+2466                elements["grouping_sets"].extend(grouping_sets)
+2467
+2468            rollup = None
+2469            cube = None
 2470
-2471            if not (expressions or grouping_sets or rollup or cube):
-2472                break
-2473
-2474        return self.expression(exp.Group, **elements)  # type: ignore
+2471            with_ = self._match(TokenType.WITH)
+2472            if self._match(TokenType.ROLLUP):
+2473                rollup = with_ or self._parse_wrapped_csv(self._parse_column)
+2474                elements["rollup"].extend(ensure_list(rollup))
 2475
-2476    def _parse_grouping_sets(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
-2477        if not self._match(TokenType.GROUPING_SETS):
-2478            return None
+2476            if self._match(TokenType.CUBE):
+2477                cube = with_ or self._parse_wrapped_csv(self._parse_column)
+2478                elements["cube"].extend(ensure_list(cube))
 2479
-2480        return self._parse_wrapped_csv(self._parse_grouping_set)
-2481
-2482    def _parse_grouping_set(self) -> t.Optional[exp.Expression]:
-2483        if self._match(TokenType.L_PAREN):
-2484            grouping_set = self._parse_csv(self._parse_column)
-2485            self._match_r_paren()
-2486            return self.expression(exp.Tuple, expressions=grouping_set)
-2487
-2488        return self._parse_column()
-2489
-2490    def _parse_having(self, skip_having_token: bool = False) -> t.Optional[exp.Expression]:
-2491        if not skip_having_token and not self._match(TokenType.HAVING):
-2492            return None
-2493        return self.expression(exp.Having, this=self._parse_conjunction())
-2494
-2495    def _parse_qualify(self) -> t.Optional[exp.Expression]:
-2496        if not self._match(TokenType.QUALIFY):
-2497            return None
-2498        return self.expression(exp.Qualify, this=self._parse_conjunction())
-2499
-2500    def _parse_order(
-2501        self, this: t.Optional[exp.Expression] = None, skip_order_token: bool = False
-2502    ) -> t.Optional[exp.Expression]:
-2503        if not skip_order_token and not self._match(TokenType.ORDER_BY):
-2504            return this
-2505
-2506        return self.expression(
-2507            exp.Order, this=this, expressions=self._parse_csv(self._parse_ordered)
-2508        )
-2509
-2510    def _parse_sort(
-2511        self, token_type: TokenType, exp_class: t.Type[exp.Expression]
-2512    ) -> t.Optional[exp.Expression]:
-2513        if not self._match(token_type):
-2514            return None
-2515        return self.expression(exp_class, expressions=self._parse_csv(self._parse_ordered))
-2516
-2517    def _parse_ordered(self) -> exp.Expression:
-2518        this = self._parse_conjunction()
-2519        self._match(TokenType.ASC)
-2520        is_desc = self._match(TokenType.DESC)
-2521        is_nulls_first = self._match(TokenType.NULLS_FIRST)
-2522        is_nulls_last = self._match(TokenType.NULLS_LAST)
-2523        desc = is_desc or False
-2524        asc = not desc
-2525        nulls_first = is_nulls_first or False
-2526        explicitly_null_ordered = is_nulls_first or is_nulls_last
-2527        if (
-2528            not explicitly_null_ordered
-2529            and (
-2530                (asc and self.null_ordering == "nulls_are_small")
-2531                or (desc and self.null_ordering != "nulls_are_small")
-2532            )
-2533            and self.null_ordering != "nulls_are_last"
-2534        ):
-2535            nulls_first = True
-2536
-2537        return self.expression(exp.Ordered, this=this, desc=desc, nulls_first=nulls_first)
-2538
-2539    def _parse_limit(
-2540        self, this: t.Optional[exp.Expression] = None, top: bool = False
-2541    ) -> t.Optional[exp.Expression]:
-2542        if self._match(TokenType.TOP if top else TokenType.LIMIT):
-2543            limit_paren = self._match(TokenType.L_PAREN)
-2544            limit_exp = self.expression(
-2545                exp.Limit, this=this, expression=self._parse_number() if top else self._parse_term()
-2546            )
+2480            if not (expressions or grouping_sets or rollup or cube):
+2481                break
+2482
+2483        return self.expression(exp.Group, **elements)  # type: ignore
+2484
+2485    def _parse_grouping_sets(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
+2486        if not self._match(TokenType.GROUPING_SETS):
+2487            return None
+2488
+2489        return self._parse_wrapped_csv(self._parse_grouping_set)
+2490
+2491    def _parse_grouping_set(self) -> t.Optional[exp.Expression]:
+2492        if self._match(TokenType.L_PAREN):
+2493            grouping_set = self._parse_csv(self._parse_column)
+2494            self._match_r_paren()
+2495            return self.expression(exp.Tuple, expressions=grouping_set)
+2496
+2497        return self._parse_column()
+2498
+2499    def _parse_having(self, skip_having_token: bool = False) -> t.Optional[exp.Expression]:
+2500        if not skip_having_token and not self._match(TokenType.HAVING):
+2501            return None
+2502        return self.expression(exp.Having, this=self._parse_conjunction())
+2503
+2504    def _parse_qualify(self) -> t.Optional[exp.Expression]:
+2505        if not self._match(TokenType.QUALIFY):
+2506            return None
+2507        return self.expression(exp.Qualify, this=self._parse_conjunction())
+2508
+2509    def _parse_order(
+2510        self, this: t.Optional[exp.Expression] = None, skip_order_token: bool = False
+2511    ) -> t.Optional[exp.Expression]:
+2512        if not skip_order_token and not self._match(TokenType.ORDER_BY):
+2513            return this
+2514
+2515        return self.expression(
+2516            exp.Order, this=this, expressions=self._parse_csv(self._parse_ordered)
+2517        )
+2518
+2519    def _parse_sort(
+2520        self, token_type: TokenType, exp_class: t.Type[exp.Expression]
+2521    ) -> t.Optional[exp.Expression]:
+2522        if not self._match(token_type):
+2523            return None
+2524        return self.expression(exp_class, expressions=self._parse_csv(self._parse_ordered))
+2525
+2526    def _parse_ordered(self) -> exp.Expression:
+2527        this = self._parse_conjunction()
+2528        self._match(TokenType.ASC)
+2529        is_desc = self._match(TokenType.DESC)
+2530        is_nulls_first = self._match(TokenType.NULLS_FIRST)
+2531        is_nulls_last = self._match(TokenType.NULLS_LAST)
+2532        desc = is_desc or False
+2533        asc = not desc
+2534        nulls_first = is_nulls_first or False
+2535        explicitly_null_ordered = is_nulls_first or is_nulls_last
+2536        if (
+2537            not explicitly_null_ordered
+2538            and (
+2539                (asc and self.null_ordering == "nulls_are_small")
+2540                or (desc and self.null_ordering != "nulls_are_small")
+2541            )
+2542            and self.null_ordering != "nulls_are_last"
+2543        ):
+2544            nulls_first = True
+2545
+2546        return self.expression(exp.Ordered, this=this, desc=desc, nulls_first=nulls_first)
 2547
-2548            if limit_paren:
-2549                self._match_r_paren()
-2550
-2551            return limit_exp
-2552
-2553        if self._match(TokenType.FETCH):
-2554            direction = self._match_set((TokenType.FIRST, TokenType.NEXT))
-2555            direction = self._prev.text if direction else "FIRST"
+2548    def _parse_limit(
+2549        self, this: t.Optional[exp.Expression] = None, top: bool = False
+2550    ) -> t.Optional[exp.Expression]:
+2551        if self._match(TokenType.TOP if top else TokenType.LIMIT):
+2552            limit_paren = self._match(TokenType.L_PAREN)
+2553            limit_exp = self.expression(
+2554                exp.Limit, this=this, expression=self._parse_number() if top else self._parse_term()
+2555            )
 2556
-2557            count = self._parse_number()
-2558            percent = self._match(TokenType.PERCENT)
+2557            if limit_paren:
+2558                self._match_r_paren()
 2559
-2560            self._match_set((TokenType.ROW, TokenType.ROWS))
+2560            return limit_exp
 2561
-2562            only = self._match(TokenType.ONLY)
-2563            with_ties = self._match_text_seq("WITH", "TIES")
-2564
-2565            if only and with_ties:
-2566                self.raise_error("Cannot specify both ONLY and WITH TIES in FETCH clause")
-2567
-2568            return self.expression(
-2569                exp.Fetch,
-2570                direction=direction,
-2571                count=count,
-2572                percent=percent,
-2573                with_ties=with_ties,
-2574            )
-2575
-2576        return this
-2577
-2578    def _parse_offset(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]:
-2579        if not self._match_set((TokenType.OFFSET, TokenType.COMMA)):
-2580            return this
-2581
-2582        count = self._parse_number()
-2583        self._match_set((TokenType.ROW, TokenType.ROWS))
-2584        return self.expression(exp.Offset, this=this, expression=count)
-2585
-2586    def _parse_lock(self) -> t.Optional[exp.Expression]:
-2587        if self._match_text_seq("FOR", "UPDATE"):
-2588            return self.expression(exp.Lock, update=True)
-2589        if self._match_text_seq("FOR", "SHARE"):
-2590            return self.expression(exp.Lock, update=False)
-2591
-2592        return None
-2593
-2594    def _parse_set_operations(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-2595        if not self._match_set(self.SET_OPERATIONS):
-2596            return this
-2597
-2598        token_type = self._prev.token_type
-2599
-2600        if token_type == TokenType.UNION:
-2601            expression = exp.Union
-2602        elif token_type == TokenType.EXCEPT:
-2603            expression = exp.Except
-2604        else:
-2605            expression = exp.Intersect
+2562        if self._match(TokenType.FETCH):
+2563            direction = self._match_set((TokenType.FIRST, TokenType.NEXT))
+2564            direction = self._prev.text if direction else "FIRST"
+2565
+2566            count = self._parse_number()
+2567            percent = self._match(TokenType.PERCENT)
+2568
+2569            self._match_set((TokenType.ROW, TokenType.ROWS))
+2570
+2571            only = self._match(TokenType.ONLY)
+2572            with_ties = self._match_text_seq("WITH", "TIES")
+2573
+2574            if only and with_ties:
+2575                self.raise_error("Cannot specify both ONLY and WITH TIES in FETCH clause")
+2576
+2577            return self.expression(
+2578                exp.Fetch,
+2579                direction=direction,
+2580                count=count,
+2581                percent=percent,
+2582                with_ties=with_ties,
+2583            )
+2584
+2585        return this
+2586
+2587    def _parse_offset(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]:
+2588        if not self._match_set((TokenType.OFFSET, TokenType.COMMA)):
+2589            return this
+2590
+2591        count = self._parse_number()
+2592        self._match_set((TokenType.ROW, TokenType.ROWS))
+2593        return self.expression(exp.Offset, this=this, expression=count)
+2594
+2595    def _parse_lock(self) -> t.Optional[exp.Expression]:
+2596        if self._match_text_seq("FOR", "UPDATE"):
+2597            return self.expression(exp.Lock, update=True)
+2598        if self._match_text_seq("FOR", "SHARE"):
+2599            return self.expression(exp.Lock, update=False)
+2600
+2601        return None
+2602
+2603    def _parse_set_operations(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+2604        if not self._match_set(self.SET_OPERATIONS):
+2605            return this
 2606
-2607        return self.expression(
-2608            expression,
-2609            this=this,
-2610            distinct=self._match(TokenType.DISTINCT) or not self._match(TokenType.ALL),
-2611            expression=self._parse_set_operations(self._parse_select(nested=True)),
-2612        )
-2613
-2614    def _parse_expression(self) -> t.Optional[exp.Expression]:
-2615        return self._parse_alias(self._parse_conjunction())
-2616
-2617    def _parse_conjunction(self) -> t.Optional[exp.Expression]:
-2618        return self._parse_tokens(self._parse_equality, self.CONJUNCTION)
-2619
-2620    def _parse_equality(self) -> t.Optional[exp.Expression]:
-2621        return self._parse_tokens(self._parse_comparison, self.EQUALITY)
+2607        token_type = self._prev.token_type
+2608
+2609        if token_type == TokenType.UNION:
+2610            expression = exp.Union
+2611        elif token_type == TokenType.EXCEPT:
+2612            expression = exp.Except
+2613        else:
+2614            expression = exp.Intersect
+2615
+2616        return self.expression(
+2617            expression,
+2618            this=this,
+2619            distinct=self._match(TokenType.DISTINCT) or not self._match(TokenType.ALL),
+2620            expression=self._parse_set_operations(self._parse_select(nested=True)),
+2621        )
 2622
-2623    def _parse_comparison(self) -> t.Optional[exp.Expression]:
-2624        return self._parse_tokens(self._parse_range, self.COMPARISON)
+2623    def _parse_expression(self) -> t.Optional[exp.Expression]:
+2624        return self._parse_alias(self._parse_conjunction())
 2625
-2626    def _parse_range(self) -> t.Optional[exp.Expression]:
-2627        this = self._parse_bitwise()
-2628        negate = self._match(TokenType.NOT)
-2629
-2630        if self._match_set(self.RANGE_PARSERS):
-2631            expression = self.RANGE_PARSERS[self._prev.token_type](self, this)
-2632            if not expression:
-2633                return this
+2626    def _parse_conjunction(self) -> t.Optional[exp.Expression]:
+2627        return self._parse_tokens(self._parse_equality, self.CONJUNCTION)
+2628
+2629    def _parse_equality(self) -> t.Optional[exp.Expression]:
+2630        return self._parse_tokens(self._parse_comparison, self.EQUALITY)
+2631
+2632    def _parse_comparison(self) -> t.Optional[exp.Expression]:
+2633        return self._parse_tokens(self._parse_range, self.COMPARISON)
 2634
-2635            this = expression
-2636        elif self._match(TokenType.ISNULL):
-2637            this = self.expression(exp.Is, this=this, expression=exp.Null())
+2635    def _parse_range(self) -> t.Optional[exp.Expression]:
+2636        this = self._parse_bitwise()
+2637        negate = self._match(TokenType.NOT)
 2638
-2639        # Postgres supports ISNULL and NOTNULL for conditions.
-2640        # https://blog.andreiavram.ro/postgresql-null-composite-type/
-2641        if self._match(TokenType.NOTNULL):
-2642            this = self.expression(exp.Is, this=this, expression=exp.Null())
-2643            this = self.expression(exp.Not, this=this)
-2644
-2645        if negate:
-2646            this = self.expression(exp.Not, this=this)
+2639        if self._match_set(self.RANGE_PARSERS):
+2640            expression = self.RANGE_PARSERS[self._prev.token_type](self, this)
+2641            if not expression:
+2642                return this
+2643
+2644            this = expression
+2645        elif self._match(TokenType.ISNULL):
+2646            this = self.expression(exp.Is, this=this, expression=exp.Null())
 2647
-2648        if self._match(TokenType.IS):
-2649            this = self._parse_is(this)
-2650
-2651        return this
-2652
-2653    def _parse_is(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-2654        index = self._index - 1
-2655        negate = self._match(TokenType.NOT)
-2656        if self._match(TokenType.DISTINCT_FROM):
-2657            klass = exp.NullSafeEQ if negate else exp.NullSafeNEQ
-2658            return self.expression(klass, this=this, expression=self._parse_expression())
+2648        # Postgres supports ISNULL and NOTNULL for conditions.
+2649        # https://blog.andreiavram.ro/postgresql-null-composite-type/
+2650        if self._match(TokenType.NOTNULL):
+2651            this = self.expression(exp.Is, this=this, expression=exp.Null())
+2652            this = self.expression(exp.Not, this=this)
+2653
+2654        if negate:
+2655            this = self.expression(exp.Not, this=this)
+2656
+2657        if self._match(TokenType.IS):
+2658            this = self._parse_is(this)
 2659
-2660        expression = self._parse_null() or self._parse_boolean()
-2661        if not expression:
-2662            self._retreat(index)
-2663            return None
-2664
-2665        this = self.expression(exp.Is, this=this, expression=expression)
-2666        return self.expression(exp.Not, this=this) if negate else this
-2667
-2668    def _parse_in(self, this: t.Optional[exp.Expression]) -> exp.Expression:
-2669        unnest = self._parse_unnest()
-2670        if unnest:
-2671            this = self.expression(exp.In, this=this, unnest=unnest)
-2672        elif self._match(TokenType.L_PAREN):
-2673            expressions = self._parse_csv(self._parse_select_or_expression)
-2674
-2675            if len(expressions) == 1 and isinstance(expressions[0], exp.Subqueryable):
-2676                this = self.expression(exp.In, this=this, query=expressions[0])
-2677            else:
-2678                this = self.expression(exp.In, this=this, expressions=expressions)
-2679
-2680            self._match_r_paren()
-2681        else:
-2682            this = self.expression(exp.In, this=this, field=self._parse_field())
+2660        return this
+2661
+2662    def _parse_is(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+2663        index = self._index - 1
+2664        negate = self._match(TokenType.NOT)
+2665        if self._match(TokenType.DISTINCT_FROM):
+2666            klass = exp.NullSafeEQ if negate else exp.NullSafeNEQ
+2667            return self.expression(klass, this=this, expression=self._parse_expression())
+2668
+2669        expression = self._parse_null() or self._parse_boolean()
+2670        if not expression:
+2671            self._retreat(index)
+2672            return None
+2673
+2674        this = self.expression(exp.Is, this=this, expression=expression)
+2675        return self.expression(exp.Not, this=this) if negate else this
+2676
+2677    def _parse_in(self, this: t.Optional[exp.Expression]) -> exp.Expression:
+2678        unnest = self._parse_unnest()
+2679        if unnest:
+2680            this = self.expression(exp.In, this=this, unnest=unnest)
+2681        elif self._match(TokenType.L_PAREN):
+2682            expressions = self._parse_csv(self._parse_select_or_expression)
 2683
-2684        return this
-2685
-2686    def _parse_between(self, this: exp.Expression) -> exp.Expression:
-2687        low = self._parse_bitwise()
-2688        self._match(TokenType.AND)
-2689        high = self._parse_bitwise()
-2690        return self.expression(exp.Between, this=this, low=low, high=high)
-2691
-2692    def _parse_escape(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-2693        if not self._match(TokenType.ESCAPE):
-2694            return this
-2695        return self.expression(exp.Escape, this=this, expression=self._parse_string())
-2696
-2697    def _parse_interval(self) -> t.Optional[exp.Expression]:
-2698        if not self._match(TokenType.INTERVAL):
-2699            return None
+2684            if len(expressions) == 1 and isinstance(expressions[0], exp.Subqueryable):
+2685                this = self.expression(exp.In, this=this, query=expressions[0])
+2686            else:
+2687                this = self.expression(exp.In, this=this, expressions=expressions)
+2688
+2689            self._match_r_paren()
+2690        else:
+2691            this = self.expression(exp.In, this=this, field=self._parse_field())
+2692
+2693        return this
+2694
+2695    def _parse_between(self, this: exp.Expression) -> exp.Expression:
+2696        low = self._parse_bitwise()
+2697        self._match(TokenType.AND)
+2698        high = self._parse_bitwise()
+2699        return self.expression(exp.Between, this=this, low=low, high=high)
 2700
-2701        this = self._parse_primary() or self._parse_term()
-2702        unit = self._parse_function() or self._parse_var()
-2703
-2704        # Most dialects support, e.g., the form INTERVAL '5' day, thus we try to parse
-2705        # each INTERVAL expression into this canonical form so it's easy to transpile
-2706        if this and isinstance(this, exp.Literal):
-2707            if this.is_number:
-2708                this = exp.Literal.string(this.name)
+2701    def _parse_escape(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+2702        if not self._match(TokenType.ESCAPE):
+2703            return this
+2704        return self.expression(exp.Escape, this=this, expression=self._parse_string())
+2705
+2706    def _parse_interval(self) -> t.Optional[exp.Expression]:
+2707        if not self._match(TokenType.INTERVAL):
+2708            return None
 2709
-2710            # Try to not clutter Snowflake's multi-part intervals like INTERVAL '1 day, 1 year'
-2711            parts = this.name.split()
-2712            if not unit and len(parts) <= 2:
-2713                this = exp.Literal.string(seq_get(parts, 0))
-2714                unit = self.expression(exp.Var, this=seq_get(parts, 1))
-2715
-2716        return self.expression(exp.Interval, this=this, unit=unit)
-2717
-2718    def _parse_bitwise(self) -> t.Optional[exp.Expression]:
-2719        this = self._parse_term()
-2720
-2721        while True:
-2722            if self._match_set(self.BITWISE):
-2723                this = self.expression(
-2724                    self.BITWISE[self._prev.token_type],
-2725                    this=this,
-2726                    expression=self._parse_term(),
-2727                )
-2728            elif self._match_pair(TokenType.LT, TokenType.LT):
-2729                this = self.expression(
-2730                    exp.BitwiseLeftShift, this=this, expression=self._parse_term()
-2731                )
-2732            elif self._match_pair(TokenType.GT, TokenType.GT):
-2733                this = self.expression(
-2734                    exp.BitwiseRightShift, this=this, expression=self._parse_term()
-2735                )
-2736            else:
-2737                break
-2738
-2739        return this
-2740
-2741    def _parse_term(self) -> t.Optional[exp.Expression]:
-2742        return self._parse_tokens(self._parse_factor, self.TERM)
-2743
-2744    def _parse_factor(self) -> t.Optional[exp.Expression]:
-2745        return self._parse_tokens(self._parse_unary, self.FACTOR)
-2746
-2747    def _parse_unary(self) -> t.Optional[exp.Expression]:
-2748        if self._match_set(self.UNARY_PARSERS):
-2749            return self.UNARY_PARSERS[self._prev.token_type](self)
-2750        return self._parse_at_time_zone(self._parse_type())
-2751
-2752    def _parse_type(self) -> t.Optional[exp.Expression]:
-2753        interval = self._parse_interval()
-2754        if interval:
-2755            return interval
-2756
-2757        index = self._index
-2758        data_type = self._parse_types(check_func=True)
-2759        this = self._parse_column()
+2710        this = self._parse_primary() or self._parse_term()
+2711        unit = self._parse_function() or self._parse_var()
+2712
+2713        # Most dialects support, e.g., the form INTERVAL '5' day, thus we try to parse
+2714        # each INTERVAL expression into this canonical form so it's easy to transpile
+2715        if this and isinstance(this, exp.Literal):
+2716            if this.is_number:
+2717                this = exp.Literal.string(this.name)
+2718
+2719            # Try to not clutter Snowflake's multi-part intervals like INTERVAL '1 day, 1 year'
+2720            parts = this.name.split()
+2721            if not unit and len(parts) <= 2:
+2722                this = exp.Literal.string(seq_get(parts, 0))
+2723                unit = self.expression(exp.Var, this=seq_get(parts, 1))
+2724
+2725        return self.expression(exp.Interval, this=this, unit=unit)
+2726
+2727    def _parse_bitwise(self) -> t.Optional[exp.Expression]:
+2728        this = self._parse_term()
+2729
+2730        while True:
+2731            if self._match_set(self.BITWISE):
+2732                this = self.expression(
+2733                    self.BITWISE[self._prev.token_type],
+2734                    this=this,
+2735                    expression=self._parse_term(),
+2736                )
+2737            elif self._match_pair(TokenType.LT, TokenType.LT):
+2738                this = self.expression(
+2739                    exp.BitwiseLeftShift, this=this, expression=self._parse_term()
+2740                )
+2741            elif self._match_pair(TokenType.GT, TokenType.GT):
+2742                this = self.expression(
+2743                    exp.BitwiseRightShift, this=this, expression=self._parse_term()
+2744                )
+2745            else:
+2746                break
+2747
+2748        return this
+2749
+2750    def _parse_term(self) -> t.Optional[exp.Expression]:
+2751        return self._parse_tokens(self._parse_factor, self.TERM)
+2752
+2753    def _parse_factor(self) -> t.Optional[exp.Expression]:
+2754        return self._parse_tokens(self._parse_unary, self.FACTOR)
+2755
+2756    def _parse_unary(self) -> t.Optional[exp.Expression]:
+2757        if self._match_set(self.UNARY_PARSERS):
+2758            return self.UNARY_PARSERS[self._prev.token_type](self)
+2759        return self._parse_at_time_zone(self._parse_type())
 2760
-2761        if data_type:
-2762            if isinstance(this, exp.Literal):
-2763                parser = self.TYPE_LITERAL_PARSERS.get(data_type.this)
-2764                if parser:
-2765                    return parser(self, this, data_type)
-2766                return self.expression(exp.Cast, this=this, to=data_type)
-2767            if not data_type.args.get("expressions"):
-2768                self._retreat(index)
-2769                return self._parse_column()
-2770            return data_type
-2771
-2772        return this
-2773
-2774    def _parse_types(self, check_func: bool = False) -> t.Optional[exp.Expression]:
-2775        index = self._index
-2776
-2777        prefix = self._match_text_seq("SYSUDTLIB", ".")
-2778
-2779        if not self._match_set(self.TYPE_TOKENS):
-2780            return None
-2781
-2782        type_token = self._prev.token_type
-2783
-2784        if type_token == TokenType.PSEUDO_TYPE:
-2785            return self.expression(exp.PseudoType, this=self._prev.text)
-2786
-2787        nested = type_token in self.NESTED_TYPE_TOKENS
-2788        is_struct = type_token == TokenType.STRUCT
-2789        expressions = None
-2790        maybe_func = False
-2791
-2792        if self._match(TokenType.L_PAREN):
-2793            if is_struct:
-2794                expressions = self._parse_csv(self._parse_struct_kwargs)
-2795            elif nested:
-2796                expressions = self._parse_csv(self._parse_types)
-2797            else:
-2798                expressions = self._parse_csv(self._parse_conjunction)
-2799
-2800            if not expressions:
-2801                self._retreat(index)
-2802                return None
-2803
-2804            self._match_r_paren()
-2805            maybe_func = True
-2806
-2807        if self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET):
-2808            this = exp.DataType(
-2809                this=exp.DataType.Type.ARRAY,
-2810                expressions=[exp.DataType.build(type_token.value, expressions=expressions)],
-2811                nested=True,
-2812            )
-2813
-2814            while self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET):
-2815                this = exp.DataType(
-2816                    this=exp.DataType.Type.ARRAY,
-2817                    expressions=[this],
-2818                    nested=True,
-2819                )
-2820
-2821            return this
-2822
-2823        if self._match(TokenType.L_BRACKET):
-2824            self._retreat(index)
-2825            return None
-2826
-2827        values: t.Optional[t.List[t.Optional[exp.Expression]]] = None
-2828        if nested and self._match(TokenType.LT):
-2829            if is_struct:
-2830                expressions = self._parse_csv(self._parse_struct_kwargs)
-2831            else:
-2832                expressions = self._parse_csv(self._parse_types)
-2833
-2834            if not self._match(TokenType.GT):
-2835                self.raise_error("Expecting >")
-2836
-2837            if self._match_set((TokenType.L_BRACKET, TokenType.L_PAREN)):
-2838                values = self._parse_csv(self._parse_conjunction)
-2839                self._match_set((TokenType.R_BRACKET, TokenType.R_PAREN))
-2840
-2841        value: t.Optional[exp.Expression] = None
-2842        if type_token in self.TIMESTAMPS:
-2843            if self._match(TokenType.WITH_TIME_ZONE) or type_token == TokenType.TIMESTAMPTZ:
-2844                value = exp.DataType(this=exp.DataType.Type.TIMESTAMPTZ, expressions=expressions)
-2845            elif (
-2846                self._match(TokenType.WITH_LOCAL_TIME_ZONE) or type_token == TokenType.TIMESTAMPLTZ
-2847            ):
-2848                value = exp.DataType(this=exp.DataType.Type.TIMESTAMPLTZ, expressions=expressions)
-2849            elif self._match(TokenType.WITHOUT_TIME_ZONE):
-2850                if type_token == TokenType.TIME:
-2851                    value = exp.DataType(this=exp.DataType.Type.TIME, expressions=expressions)
-2852                else:
-2853                    value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions)
-2854
-2855            maybe_func = maybe_func and value is None
-2856
-2857            if value is None:
-2858                value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions)
-2859        elif type_token == TokenType.INTERVAL:
-2860            unit = self._parse_var()
-2861
-2862            if not unit:
-2863                value = self.expression(exp.DataType, this=exp.DataType.Type.INTERVAL)
-2864            else:
-2865                value = self.expression(exp.Interval, unit=unit)
-2866
-2867        if maybe_func and check_func:
-2868            index2 = self._index
-2869            peek = self._parse_string()
-2870
-2871            if not peek:
-2872                self._retreat(index)
-2873                return None
+2761    def _parse_type(self) -> t.Optional[exp.Expression]:
+2762        interval = self._parse_interval()
+2763        if interval:
+2764            return interval
+2765
+2766        index = self._index
+2767        data_type = self._parse_types(check_func=True)
+2768        this = self._parse_column()
+2769
+2770        if data_type:
+2771            if isinstance(this, exp.Literal):
+2772                parser = self.TYPE_LITERAL_PARSERS.get(data_type.this)
+2773                if parser:
+2774                    return parser(self, this, data_type)
+2775                return self.expression(exp.Cast, this=this, to=data_type)
+2776            if not data_type.args.get("expressions"):
+2777                self._retreat(index)
+2778                return self._parse_column()
+2779            return data_type
+2780
+2781        return this
+2782
+2783    def _parse_types(self, check_func: bool = False) -> t.Optional[exp.Expression]:
+2784        index = self._index
+2785
+2786        prefix = self._match_text_seq("SYSUDTLIB", ".")
+2787
+2788        if not self._match_set(self.TYPE_TOKENS):
+2789            return None
+2790
+2791        type_token = self._prev.token_type
+2792
+2793        if type_token == TokenType.PSEUDO_TYPE:
+2794            return self.expression(exp.PseudoType, this=self._prev.text)
+2795
+2796        nested = type_token in self.NESTED_TYPE_TOKENS
+2797        is_struct = type_token == TokenType.STRUCT
+2798        expressions = None
+2799        maybe_func = False
+2800
+2801        if self._match(TokenType.L_PAREN):
+2802            if is_struct:
+2803                expressions = self._parse_csv(self._parse_struct_kwargs)
+2804            elif nested:
+2805                expressions = self._parse_csv(self._parse_types)
+2806            else:
+2807                expressions = self._parse_csv(self._parse_conjunction)
+2808
+2809            if not expressions or not self._match(TokenType.R_PAREN):
+2810                self._retreat(index)
+2811                return None
+2812
+2813            maybe_func = True
+2814
+2815        if self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET):
+2816            this = exp.DataType(
+2817                this=exp.DataType.Type.ARRAY,
+2818                expressions=[exp.DataType.build(type_token.value, expressions=expressions)],
+2819                nested=True,
+2820            )
+2821
+2822            while self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET):
+2823                this = exp.DataType(
+2824                    this=exp.DataType.Type.ARRAY,
+2825                    expressions=[this],
+2826                    nested=True,
+2827                )
+2828
+2829            return this
+2830
+2831        if self._match(TokenType.L_BRACKET):
+2832            self._retreat(index)
+2833            return None
+2834
+2835        values: t.Optional[t.List[t.Optional[exp.Expression]]] = None
+2836        if nested and self._match(TokenType.LT):
+2837            if is_struct:
+2838                expressions = self._parse_csv(self._parse_struct_kwargs)
+2839            else:
+2840                expressions = self._parse_csv(self._parse_types)
+2841
+2842            if not self._match(TokenType.GT):
+2843                self.raise_error("Expecting >")
+2844
+2845            if self._match_set((TokenType.L_BRACKET, TokenType.L_PAREN)):
+2846                values = self._parse_csv(self._parse_conjunction)
+2847                self._match_set((TokenType.R_BRACKET, TokenType.R_PAREN))
+2848
+2849        value: t.Optional[exp.Expression] = None
+2850        if type_token in self.TIMESTAMPS:
+2851            if self._match(TokenType.WITH_TIME_ZONE) or type_token == TokenType.TIMESTAMPTZ:
+2852                value = exp.DataType(this=exp.DataType.Type.TIMESTAMPTZ, expressions=expressions)
+2853            elif (
+2854                self._match(TokenType.WITH_LOCAL_TIME_ZONE) or type_token == TokenType.TIMESTAMPLTZ
+2855            ):
+2856                value = exp.DataType(this=exp.DataType.Type.TIMESTAMPLTZ, expressions=expressions)
+2857            elif self._match(TokenType.WITHOUT_TIME_ZONE):
+2858                if type_token == TokenType.TIME:
+2859                    value = exp.DataType(this=exp.DataType.Type.TIME, expressions=expressions)
+2860                else:
+2861                    value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions)
+2862
+2863            maybe_func = maybe_func and value is None
+2864
+2865            if value is None:
+2866                value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions)
+2867        elif type_token == TokenType.INTERVAL:
+2868            unit = self._parse_var()
+2869
+2870            if not unit:
+2871                value = self.expression(exp.DataType, this=exp.DataType.Type.INTERVAL)
+2872            else:
+2873                value = self.expression(exp.Interval, unit=unit)
 2874
-2875            self._retreat(index2)
-2876
-2877        if value:
-2878            return value
-2879
-2880        return exp.DataType(
-2881            this=exp.DataType.Type[type_token.value.upper()],
-2882            expressions=expressions,
-2883            nested=nested,
-2884            values=values,
-2885            prefix=prefix,
-2886        )
+2875        if maybe_func and check_func:
+2876            index2 = self._index
+2877            peek = self._parse_string()
+2878
+2879            if not peek:
+2880                self._retreat(index)
+2881                return None
+2882
+2883            self._retreat(index2)
+2884
+2885        if value:
+2886            return value
 2887
-2888    def _parse_struct_kwargs(self) -> t.Optional[exp.Expression]:
-2889        index = self._index
-2890        this = self._parse_id_var()
-2891        self._match(TokenType.COLON)
-2892        data_type = self._parse_types()
-2893
-2894        if not data_type:
-2895            self._retreat(index)
-2896            return self._parse_types()
-2897        return self.expression(exp.StructKwarg, this=this, expression=data_type)
-2898
-2899    def _parse_at_time_zone(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-2900        if not self._match(TokenType.AT_TIME_ZONE):
-2901            return this
-2902        return self.expression(exp.AtTimeZone, this=this, zone=self._parse_unary())
-2903
-2904    def _parse_column(self) -> t.Optional[exp.Expression]:
-2905        this = self._parse_field()
-2906        if isinstance(this, exp.Identifier):
-2907            this = self.expression(exp.Column, this=this)
-2908        elif not this:
-2909            return self._parse_bracket(this)
-2910        this = self._parse_bracket(this)
+2888        return exp.DataType(
+2889            this=exp.DataType.Type[type_token.value.upper()],
+2890            expressions=expressions,
+2891            nested=nested,
+2892            values=values,
+2893            prefix=prefix,
+2894        )
+2895
+2896    def _parse_struct_kwargs(self) -> t.Optional[exp.Expression]:
+2897        index = self._index
+2898        this = self._parse_id_var()
+2899        self._match(TokenType.COLON)
+2900        data_type = self._parse_types()
+2901
+2902        if not data_type:
+2903            self._retreat(index)
+2904            return self._parse_types()
+2905        return self.expression(exp.StructKwarg, this=this, expression=data_type)
+2906
+2907    def _parse_at_time_zone(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+2908        if not self._match(TokenType.AT_TIME_ZONE):
+2909            return this
+2910        return self.expression(exp.AtTimeZone, this=this, zone=self._parse_unary())
 2911
-2912        while self._match_set(self.COLUMN_OPERATORS):
-2913            op_token = self._prev.token_type
-2914            op = self.COLUMN_OPERATORS.get(op_token)
-2915
-2916            if op_token == TokenType.DCOLON:
-2917                field = self._parse_types()
-2918                if not field:
-2919                    self.raise_error("Expected type")
-2920            elif op:
-2921                self._advance()
-2922                value = self._prev.text
-2923                field = (
-2924                    exp.Literal.number(value)
-2925                    if self._prev.token_type == TokenType.NUMBER
-2926                    else exp.Literal.string(value)
-2927                )
-2928            else:
-2929                field = self._parse_star() or self._parse_function() or self._parse_id_var()
-2930
-2931            if isinstance(field, exp.Func):
-2932                # bigquery allows function calls like x.y.count(...)
-2933                # SAFE.SUBSTR(...)
-2934                # https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-reference#function_call_rules
-2935                this = self._replace_columns_with_dots(this)
-2936
-2937            if op:
-2938                this = op(self, this, field)
-2939            elif isinstance(this, exp.Column) and not this.args.get("catalog"):
-2940                this = self.expression(
-2941                    exp.Column,
-2942                    this=field,
-2943                    table=this.this,
-2944                    db=this.args.get("table"),
-2945                    catalog=this.args.get("db"),
-2946                )
-2947            else:
-2948                this = self.expression(exp.Dot, this=this, expression=field)
-2949            this = self._parse_bracket(this)
-2950
-2951        return this
-2952
-2953    def _parse_primary(self) -> t.Optional[exp.Expression]:
-2954        if self._match_set(self.PRIMARY_PARSERS):
-2955            token_type = self._prev.token_type
-2956            primary = self.PRIMARY_PARSERS[token_type](self, self._prev)
-2957
-2958            if token_type == TokenType.STRING:
-2959                expressions = [primary]
-2960                while self._match(TokenType.STRING):
-2961                    expressions.append(exp.Literal.string(self._prev.text))
-2962                if len(expressions) > 1:
-2963                    return self.expression(exp.Concat, expressions=expressions)
-2964            return primary
-2965
-2966        if self._match_pair(TokenType.DOT, TokenType.NUMBER):
-2967            return exp.Literal.number(f"0.{self._prev.text}")
-2968
-2969        if self._match(TokenType.L_PAREN):
-2970            comments = self._prev_comments
-2971            query = self._parse_select()
-2972
-2973            if query:
-2974                expressions = [query]
-2975            else:
-2976                expressions = self._parse_csv(
-2977                    lambda: self._parse_alias(self._parse_conjunction(), explicit=True)
-2978                )
-2979
-2980            this = seq_get(expressions, 0)
-2981            self._parse_query_modifiers(this)
-2982
-2983            if isinstance(this, exp.Subqueryable):
-2984                this = self._parse_set_operations(
-2985                    self._parse_subquery(this=this, parse_alias=False)
-2986                )
-2987            elif len(expressions) > 1:
-2988                this = self.expression(exp.Tuple, expressions=expressions)
-2989            else:
-2990                this = self.expression(exp.Paren, this=self._parse_set_operations(this))
+2912    def _parse_column(self) -> t.Optional[exp.Expression]:
+2913        this = self._parse_field()
+2914        if isinstance(this, exp.Identifier):
+2915            this = self.expression(exp.Column, this=this)
+2916        elif not this:
+2917            return self._parse_bracket(this)
+2918        this = self._parse_bracket(this)
+2919
+2920        while self._match_set(self.COLUMN_OPERATORS):
+2921            op_token = self._prev.token_type
+2922            op = self.COLUMN_OPERATORS.get(op_token)
+2923
+2924            if op_token == TokenType.DCOLON:
+2925                field = self._parse_types()
+2926                if not field:
+2927                    self.raise_error("Expected type")
+2928            elif op:
+2929                self._advance()
+2930                value = self._prev.text
+2931                field = (
+2932                    exp.Literal.number(value)
+2933                    if self._prev.token_type == TokenType.NUMBER
+2934                    else exp.Literal.string(value)
+2935                )
+2936            else:
+2937                field = (
+2938                    self._parse_star()
+2939                    or self._parse_function(anonymous=True)
+2940                    or self._parse_id_var()
+2941                )
+2942
+2943            if isinstance(field, exp.Func):
+2944                # bigquery allows function calls like x.y.count(...)
+2945                # SAFE.SUBSTR(...)
+2946                # https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-reference#function_call_rules
+2947                this = self._replace_columns_with_dots(this)
+2948
+2949            if op:
+2950                this = op(self, this, field)
+2951            elif isinstance(this, exp.Column) and not this.args.get("catalog"):
+2952                this = self.expression(
+2953                    exp.Column,
+2954                    this=field,
+2955                    table=this.this,
+2956                    db=this.args.get("table"),
+2957                    catalog=this.args.get("db"),
+2958                )
+2959            else:
+2960                this = self.expression(exp.Dot, this=this, expression=field)
+2961            this = self._parse_bracket(this)
+2962
+2963        return this
+2964
+2965    def _parse_primary(self) -> t.Optional[exp.Expression]:
+2966        if self._match_set(self.PRIMARY_PARSERS):
+2967            token_type = self._prev.token_type
+2968            primary = self.PRIMARY_PARSERS[token_type](self, self._prev)
+2969
+2970            if token_type == TokenType.STRING:
+2971                expressions = [primary]
+2972                while self._match(TokenType.STRING):
+2973                    expressions.append(exp.Literal.string(self._prev.text))
+2974                if len(expressions) > 1:
+2975                    return self.expression(exp.Concat, expressions=expressions)
+2976            return primary
+2977
+2978        if self._match_pair(TokenType.DOT, TokenType.NUMBER):
+2979            return exp.Literal.number(f"0.{self._prev.text}")
+2980
+2981        if self._match(TokenType.L_PAREN):
+2982            comments = self._prev_comments
+2983            query = self._parse_select()
+2984
+2985            if query:
+2986                expressions = [query]
+2987            else:
+2988                expressions = self._parse_csv(
+2989                    lambda: self._parse_alias(self._parse_conjunction(), explicit=True)
+2990                )
 2991
-2992            self._match_r_paren()
-2993            comments.extend(self._prev_comments)
+2992            this = seq_get(expressions, 0)
+2993            self._parse_query_modifiers(this)
 2994
-2995            if this and comments:
-2996                this.comments = comments
-2997
-2998            return this
-2999
-3000        return None
-3001
-3002    def _parse_field(
-3003        self,
-3004        any_token: bool = False,
-3005        tokens: t.Optional[t.Collection[TokenType]] = None,
-3006    ) -> t.Optional[exp.Expression]:
-3007        return (
-3008            self._parse_primary()
-3009            or self._parse_function()
-3010            or self._parse_id_var(any_token=any_token, tokens=tokens)
-3011        )
-3012
-3013    def _parse_function(
-3014        self, functions: t.Optional[t.Dict[str, t.Callable]] = None
-3015    ) -> t.Optional[exp.Expression]:
-3016        if not self._curr:
-3017            return None
-3018
-3019        token_type = self._curr.token_type
-3020
-3021        if self._match_set(self.NO_PAREN_FUNCTION_PARSERS):
-3022            return self.NO_PAREN_FUNCTION_PARSERS[token_type](self)
-3023
-3024        if not self._next or self._next.token_type != TokenType.L_PAREN:
-3025            if token_type in self.NO_PAREN_FUNCTIONS:
-3026                self._advance()
-3027                return self.expression(self.NO_PAREN_FUNCTIONS[token_type])
-3028
+2995            if isinstance(this, exp.Subqueryable):
+2996                this = self._parse_set_operations(
+2997                    self._parse_subquery(this=this, parse_alias=False)
+2998                )
+2999            elif len(expressions) > 1:
+3000                this = self.expression(exp.Tuple, expressions=expressions)
+3001            else:
+3002                this = self.expression(exp.Paren, this=self._parse_set_operations(this))
+3003
+3004            self._match_r_paren()
+3005            comments.extend(self._prev_comments)
+3006
+3007            if this and comments:
+3008                this.comments = comments
+3009
+3010            return this
+3011
+3012        return None
+3013
+3014    def _parse_field(
+3015        self,
+3016        any_token: bool = False,
+3017        tokens: t.Optional[t.Collection[TokenType]] = None,
+3018    ) -> t.Optional[exp.Expression]:
+3019        return (
+3020            self._parse_primary()
+3021            or self._parse_function()
+3022            or self._parse_id_var(any_token=any_token, tokens=tokens)
+3023        )
+3024
+3025    def _parse_function(
+3026        self, functions: t.Optional[t.Dict[str, t.Callable]] = None, anonymous: bool = False
+3027    ) -> t.Optional[exp.Expression]:
+3028        if not self._curr:
 3029            return None
 3030
-3031        if token_type not in self.FUNC_TOKENS:
-3032            return None
-3033
-3034        this = self._curr.text
-3035        upper = this.upper()
-3036        self._advance(2)
-3037
-3038        parser = self.FUNCTION_PARSERS.get(upper)
-3039
-3040        if parser:
-3041            this = parser(self)
-3042        else:
-3043            subquery_predicate = self.SUBQUERY_PREDICATES.get(token_type)
-3044
-3045            if subquery_predicate and self._curr.token_type in (TokenType.SELECT, TokenType.WITH):
-3046                this = self.expression(subquery_predicate, this=self._parse_select())
-3047                self._match_r_paren()
-3048                return this
+3031        token_type = self._curr.token_type
+3032
+3033        if self._match_set(self.NO_PAREN_FUNCTION_PARSERS):
+3034            return self.NO_PAREN_FUNCTION_PARSERS[token_type](self)
+3035
+3036        if not self._next or self._next.token_type != TokenType.L_PAREN:
+3037            if token_type in self.NO_PAREN_FUNCTIONS:
+3038                self._advance()
+3039                return self.expression(self.NO_PAREN_FUNCTIONS[token_type])
+3040
+3041            return None
+3042
+3043        if token_type not in self.FUNC_TOKENS:
+3044            return None
+3045
+3046        this = self._curr.text
+3047        upper = this.upper()
+3048        self._advance(2)
 3049
-3050            if functions is None:
-3051                functions = self.FUNCTIONS
-3052
-3053            function = functions.get(upper)
-3054            args = self._parse_csv(self._parse_lambda)
-3055
-3056            if function:
-3057                # Clickhouse supports function calls like foo(x, y)(z), so for these we need to also parse the
-3058                # second parameter list (i.e. "(z)") and the corresponding function will receive both arg lists.
-3059                if count_params(function) == 2:
-3060                    params = None
-3061                    if self._match_pair(TokenType.R_PAREN, TokenType.L_PAREN):
-3062                        params = self._parse_csv(self._parse_lambda)
-3063
-3064                    this = function(args, params)
-3065                else:
-3066                    this = function(args)
+3050        parser = self.FUNCTION_PARSERS.get(upper)
+3051
+3052        if parser and not anonymous:
+3053            this = parser(self)
+3054        else:
+3055            subquery_predicate = self.SUBQUERY_PREDICATES.get(token_type)
+3056
+3057            if subquery_predicate and self._curr.token_type in (TokenType.SELECT, TokenType.WITH):
+3058                this = self.expression(subquery_predicate, this=self._parse_select())
+3059                self._match_r_paren()
+3060                return this
+3061
+3062            if functions is None:
+3063                functions = self.FUNCTIONS
+3064
+3065            function = functions.get(upper)
+3066            args = self._parse_csv(self._parse_lambda)
 3067
-3068                self.validate_expression(this, args)
-3069            else:
-3070                this = self.expression(exp.Anonymous, this=this, expressions=args)
-3071
-3072        self._match_r_paren(this)
-3073        return self._parse_window(this)
-3074
-3075    def _parse_function_parameter(self) -> t.Optional[exp.Expression]:
-3076        return self._parse_column_def(self._parse_id_var())
-3077
-3078    def _parse_user_defined_function(
-3079        self, kind: t.Optional[TokenType] = None
-3080    ) -> t.Optional[exp.Expression]:
-3081        this = self._parse_id_var()
-3082
-3083        while self._match(TokenType.DOT):
-3084            this = self.expression(exp.Dot, this=this, expression=self._parse_id_var())
-3085
-3086        if not self._match(TokenType.L_PAREN):
-3087            return this
-3088
-3089        expressions = self._parse_csv(self._parse_function_parameter)
-3090        self._match_r_paren()
-3091        return self.expression(
-3092            exp.UserDefinedFunction, this=this, expressions=expressions, wrapped=True
-3093        )
+3068            if function and not anonymous:
+3069                # Clickhouse supports function calls like foo(x, y)(z), so for these we need to also parse the
+3070                # second parameter list (i.e. "(z)") and the corresponding function will receive both arg lists.
+3071                if count_params(function) == 2:
+3072                    params = None
+3073                    if self._match_pair(TokenType.R_PAREN, TokenType.L_PAREN):
+3074                        params = self._parse_csv(self._parse_lambda)
+3075
+3076                    this = function(args, params)
+3077                else:
+3078                    this = function(args)
+3079
+3080                self.validate_expression(this, args)
+3081            else:
+3082                this = self.expression(exp.Anonymous, this=this, expressions=args)
+3083
+3084        self._match_r_paren(this)
+3085        return self._parse_window(this)
+3086
+3087    def _parse_function_parameter(self) -> t.Optional[exp.Expression]:
+3088        return self._parse_column_def(self._parse_id_var())
+3089
+3090    def _parse_user_defined_function(
+3091        self, kind: t.Optional[TokenType] = None
+3092    ) -> t.Optional[exp.Expression]:
+3093        this = self._parse_id_var()
 3094
-3095    def _parse_introducer(self, token: Token) -> t.Optional[exp.Expression]:
-3096        literal = self._parse_primary()
-3097        if literal:
-3098            return self.expression(exp.Introducer, this=token.text, expression=literal)
-3099
-3100        return self.expression(exp.Identifier, this=token.text)
-3101
-3102    def _parse_national(self, token: Token) -> exp.Expression:
-3103        return self.expression(exp.National, this=exp.Literal.string(token.text))
-3104
-3105    def _parse_session_parameter(self) -> exp.Expression:
-3106        kind = None
-3107        this = self._parse_id_var() or self._parse_primary()
-3108
-3109        if this and self._match(TokenType.DOT):
-3110            kind = this.name
-3111            this = self._parse_var() or self._parse_primary()
-3112
-3113        return self.expression(exp.SessionParameter, this=this, kind=kind)
-3114
-3115    def _parse_lambda(self) -> t.Optional[exp.Expression]:
-3116        index = self._index
-3117
-3118        if self._match(TokenType.L_PAREN):
-3119            expressions = self._parse_csv(self._parse_id_var)
+3095        while self._match(TokenType.DOT):
+3096            this = self.expression(exp.Dot, this=this, expression=self._parse_id_var())
+3097
+3098        if not self._match(TokenType.L_PAREN):
+3099            return this
+3100
+3101        expressions = self._parse_csv(self._parse_function_parameter)
+3102        self._match_r_paren()
+3103        return self.expression(
+3104            exp.UserDefinedFunction, this=this, expressions=expressions, wrapped=True
+3105        )
+3106
+3107    def _parse_introducer(self, token: Token) -> t.Optional[exp.Expression]:
+3108        literal = self._parse_primary()
+3109        if literal:
+3110            return self.expression(exp.Introducer, this=token.text, expression=literal)
+3111
+3112        return self.expression(exp.Identifier, this=token.text)
+3113
+3114    def _parse_national(self, token: Token) -> exp.Expression:
+3115        return self.expression(exp.National, this=exp.Literal.string(token.text))
+3116
+3117    def _parse_session_parameter(self) -> exp.Expression:
+3118        kind = None
+3119        this = self._parse_id_var() or self._parse_primary()
 3120
-3121            if not self._match(TokenType.R_PAREN):
-3122                self._retreat(index)
-3123        else:
-3124            expressions = [self._parse_id_var()]
-3125
-3126        if self._match_set(self.LAMBDAS):
-3127            return self.LAMBDAS[self._prev.token_type](self, expressions)
-3128
-3129        self._retreat(index)
-3130
-3131        this: t.Optional[exp.Expression]
+3121        if this and self._match(TokenType.DOT):
+3122            kind = this.name
+3123            this = self._parse_var() or self._parse_primary()
+3124
+3125        return self.expression(exp.SessionParameter, this=this, kind=kind)
+3126
+3127    def _parse_lambda(self) -> t.Optional[exp.Expression]:
+3128        index = self._index
+3129
+3130        if self._match(TokenType.L_PAREN):
+3131            expressions = self._parse_csv(self._parse_id_var)
 3132
-3133        if self._match(TokenType.DISTINCT):
-3134            this = self.expression(
-3135                exp.Distinct, expressions=self._parse_csv(self._parse_conjunction)
-3136            )
-3137        else:
-3138            this = self._parse_select_or_expression()
-3139
-3140            if isinstance(this, exp.EQ):
-3141                left = this.this
-3142                if isinstance(left, exp.Column):
-3143                    left.replace(exp.Var(this=left.text("this")))
+3133            if not self._match(TokenType.R_PAREN):
+3134                self._retreat(index)
+3135        else:
+3136            expressions = [self._parse_id_var()]
+3137
+3138        if self._match_set(self.LAMBDAS):
+3139            return self.LAMBDAS[self._prev.token_type](self, expressions)
+3140
+3141        self._retreat(index)
+3142
+3143        this: t.Optional[exp.Expression]
 3144
-3145        if self._match(TokenType.IGNORE_NULLS):
-3146            this = self.expression(exp.IgnoreNulls, this=this)
-3147        else:
-3148            self._match(TokenType.RESPECT_NULLS)
-3149
-3150        return self._parse_limit(self._parse_order(this))
+3145        if self._match(TokenType.DISTINCT):
+3146            this = self.expression(
+3147                exp.Distinct, expressions=self._parse_csv(self._parse_conjunction)
+3148            )
+3149        else:
+3150            this = self._parse_select_or_expression()
 3151
-3152    def _parse_schema(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]:
-3153        index = self._index
-3154
-3155        try:
-3156            if self._parse_select(nested=True):
-3157                return this
-3158        except Exception:
-3159            pass
-3160        finally:
-3161            self._retreat(index)
-3162
-3163        if not self._match(TokenType.L_PAREN):
-3164            return this
-3165
-3166        args = self._parse_csv(
-3167            lambda: self._parse_constraint()
-3168            or self._parse_column_def(self._parse_field(any_token=True))
-3169        )
-3170        self._match_r_paren()
-3171        return self.expression(exp.Schema, this=this, expressions=args)
+3152            if isinstance(this, exp.EQ):
+3153                left = this.this
+3154                if isinstance(left, exp.Column):
+3155                    left.replace(exp.Var(this=left.text("this")))
+3156
+3157        return self._parse_limit(self._parse_order(self._parse_respect_or_ignore_nulls(this)))
+3158
+3159    def _parse_schema(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]:
+3160        index = self._index
+3161
+3162        try:
+3163            if self._parse_select(nested=True):
+3164                return this
+3165        except Exception:
+3166            pass
+3167        finally:
+3168            self._retreat(index)
+3169
+3170        if not self._match(TokenType.L_PAREN):
+3171            return this
 3172
-3173    def _parse_column_def(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-3174        kind = self._parse_types()
-3175
-3176        if self._match_text_seq("FOR", "ORDINALITY"):
-3177            return self.expression(exp.ColumnDef, this=this, ordinality=True)
-3178
-3179        constraints = []
-3180        while True:
-3181            constraint = self._parse_column_constraint()
-3182            if not constraint:
-3183                break
-3184            constraints.append(constraint)
+3173        args = self._parse_csv(
+3174            lambda: self._parse_constraint()
+3175            or self._parse_column_def(self._parse_field(any_token=True))
+3176        )
+3177        self._match_r_paren()
+3178        return self.expression(exp.Schema, this=this, expressions=args)
+3179
+3180    def _parse_column_def(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+3181        kind = self._parse_types()
+3182
+3183        if self._match_text_seq("FOR", "ORDINALITY"):
+3184            return self.expression(exp.ColumnDef, this=this, ordinality=True)
 3185
-3186        if not kind and not constraints:
-3187            return this
-3188
-3189        return self.expression(exp.ColumnDef, this=this, kind=kind, constraints=constraints)
-3190
-3191    def _parse_auto_increment(self) -> exp.Expression:
-3192        start = None
-3193        increment = None
-3194
-3195        if self._match(TokenType.L_PAREN, advance=False):
-3196            args = self._parse_wrapped_csv(self._parse_bitwise)
-3197            start = seq_get(args, 0)
-3198            increment = seq_get(args, 1)
-3199        elif self._match_text_seq("START"):
-3200            start = self._parse_bitwise()
-3201            self._match_text_seq("INCREMENT")
-3202            increment = self._parse_bitwise()
-3203
-3204        if start and increment:
-3205            return exp.GeneratedAsIdentityColumnConstraint(start=start, increment=increment)
-3206
-3207        return exp.AutoIncrementColumnConstraint()
-3208
-3209    def _parse_compress(self) -> exp.Expression:
-3210        if self._match(TokenType.L_PAREN, advance=False):
-3211            return self.expression(
-3212                exp.CompressColumnConstraint, this=self._parse_wrapped_csv(self._parse_bitwise)
-3213            )
-3214
-3215        return self.expression(exp.CompressColumnConstraint, this=self._parse_bitwise())
-3216
-3217    def _parse_generated_as_identity(self) -> exp.Expression:
-3218        if self._match(TokenType.BY_DEFAULT):
-3219            this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=False)
-3220        else:
-3221            self._match_text_seq("ALWAYS")
-3222            this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=True)
+3186        constraints = []
+3187        while True:
+3188            constraint = self._parse_column_constraint()
+3189            if not constraint:
+3190                break
+3191            constraints.append(constraint)
+3192
+3193        if not kind and not constraints:
+3194            return this
+3195
+3196        return self.expression(exp.ColumnDef, this=this, kind=kind, constraints=constraints)
+3197
+3198    def _parse_auto_increment(self) -> exp.Expression:
+3199        start = None
+3200        increment = None
+3201
+3202        if self._match(TokenType.L_PAREN, advance=False):
+3203            args = self._parse_wrapped_csv(self._parse_bitwise)
+3204            start = seq_get(args, 0)
+3205            increment = seq_get(args, 1)
+3206        elif self._match_text_seq("START"):
+3207            start = self._parse_bitwise()
+3208            self._match_text_seq("INCREMENT")
+3209            increment = self._parse_bitwise()
+3210
+3211        if start and increment:
+3212            return exp.GeneratedAsIdentityColumnConstraint(start=start, increment=increment)
+3213
+3214        return exp.AutoIncrementColumnConstraint()
+3215
+3216    def _parse_compress(self) -> exp.Expression:
+3217        if self._match(TokenType.L_PAREN, advance=False):
+3218            return self.expression(
+3219                exp.CompressColumnConstraint, this=self._parse_wrapped_csv(self._parse_bitwise)
+3220            )
+3221
+3222        return self.expression(exp.CompressColumnConstraint, this=self._parse_bitwise())
 3223
-3224        self._match_text_seq("AS", "IDENTITY")
-3225        if self._match(TokenType.L_PAREN):
-3226            if self._match_text_seq("START", "WITH"):
-3227                this.set("start", self._parse_bitwise())
-3228            if self._match_text_seq("INCREMENT", "BY"):
-3229                this.set("increment", self._parse_bitwise())
-3230            if self._match_text_seq("MINVALUE"):
-3231                this.set("minvalue", self._parse_bitwise())
-3232            if self._match_text_seq("MAXVALUE"):
-3233                this.set("maxvalue", self._parse_bitwise())
-3234
-3235            if self._match_text_seq("CYCLE"):
-3236                this.set("cycle", True)
-3237            elif self._match_text_seq("NO", "CYCLE"):
-3238                this.set("cycle", False)
-3239
-3240            self._match_r_paren()
+3224    def _parse_generated_as_identity(self) -> exp.Expression:
+3225        if self._match(TokenType.BY_DEFAULT):
+3226            this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=False)
+3227        else:
+3228            self._match_text_seq("ALWAYS")
+3229            this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=True)
+3230
+3231        self._match_text_seq("AS", "IDENTITY")
+3232        if self._match(TokenType.L_PAREN):
+3233            if self._match_text_seq("START", "WITH"):
+3234                this.set("start", self._parse_bitwise())
+3235            if self._match_text_seq("INCREMENT", "BY"):
+3236                this.set("increment", self._parse_bitwise())
+3237            if self._match_text_seq("MINVALUE"):
+3238                this.set("minvalue", self._parse_bitwise())
+3239            if self._match_text_seq("MAXVALUE"):
+3240                this.set("maxvalue", self._parse_bitwise())
 3241
-3242        return this
-3243
-3244    def _parse_inline(self) -> t.Optional[exp.Expression]:
-3245        self._match_text_seq("LENGTH")
-3246        return self.expression(exp.InlineLengthColumnConstraint, this=self._parse_bitwise())
-3247
-3248    def _parse_not_constraint(self) -> t.Optional[exp.Expression]:
-3249        if self._match_text_seq("NULL"):
-3250            return self.expression(exp.NotNullColumnConstraint)
-3251        if self._match_text_seq("CASESPECIFIC"):
-3252            return self.expression(exp.CaseSpecificColumnConstraint, not_=True)
-3253        return None
+3242            if self._match_text_seq("CYCLE"):
+3243                this.set("cycle", True)
+3244            elif self._match_text_seq("NO", "CYCLE"):
+3245                this.set("cycle", False)
+3246
+3247            self._match_r_paren()
+3248
+3249        return this
+3250
+3251    def _parse_inline(self) -> t.Optional[exp.Expression]:
+3252        self._match_text_seq("LENGTH")
+3253        return self.expression(exp.InlineLengthColumnConstraint, this=self._parse_bitwise())
 3254
-3255    def _parse_column_constraint(self) -> t.Optional[exp.Expression]:
-3256        if self._match(TokenType.CONSTRAINT):
-3257            this = self._parse_id_var()
-3258        else:
-3259            this = None
-3260
-3261        if self._match_texts(self.CONSTRAINT_PARSERS):
-3262            return self.expression(
-3263                exp.ColumnConstraint,
-3264                this=this,
-3265                kind=self.CONSTRAINT_PARSERS[self._prev.text.upper()](self),
-3266            )
+3255    def _parse_not_constraint(self) -> t.Optional[exp.Expression]:
+3256        if self._match_text_seq("NULL"):
+3257            return self.expression(exp.NotNullColumnConstraint)
+3258        if self._match_text_seq("CASESPECIFIC"):
+3259            return self.expression(exp.CaseSpecificColumnConstraint, not_=True)
+3260        return None
+3261
+3262    def _parse_column_constraint(self) -> t.Optional[exp.Expression]:
+3263        if self._match(TokenType.CONSTRAINT):
+3264            this = self._parse_id_var()
+3265        else:
+3266            this = None
 3267
-3268        return this
-3269
-3270    def _parse_constraint(self) -> t.Optional[exp.Expression]:
-3271        if not self._match(TokenType.CONSTRAINT):
-3272            return self._parse_unnamed_constraint(constraints=self.SCHEMA_UNNAMED_CONSTRAINTS)
-3273
-3274        this = self._parse_id_var()
-3275        expressions = []
+3268        if self._match_texts(self.CONSTRAINT_PARSERS):
+3269            return self.expression(
+3270                exp.ColumnConstraint,
+3271                this=this,
+3272                kind=self.CONSTRAINT_PARSERS[self._prev.text.upper()](self),
+3273            )
+3274
+3275        return this
 3276
-3277        while True:
-3278            constraint = self._parse_unnamed_constraint() or self._parse_function()
-3279            if not constraint:
-3280                break
-3281            expressions.append(constraint)
-3282
-3283        return self.expression(exp.Constraint, this=this, expressions=expressions)
-3284
-3285    def _parse_unnamed_constraint(
-3286        self, constraints: t.Optional[t.Collection[str]] = None
-3287    ) -> t.Optional[exp.Expression]:
-3288        if not self._match_texts(constraints or self.CONSTRAINT_PARSERS):
-3289            return None
-3290
-3291        constraint = self._prev.text.upper()
-3292        if constraint not in self.CONSTRAINT_PARSERS:
-3293            self.raise_error(f"No parser found for schema constraint {constraint}.")
-3294
-3295        return self.CONSTRAINT_PARSERS[constraint](self)
-3296
-3297    def _parse_unique(self) -> exp.Expression:
-3298        if not self._match(TokenType.L_PAREN, advance=False):
-3299            return self.expression(exp.UniqueColumnConstraint)
-3300        return self.expression(exp.Unique, expressions=self._parse_wrapped_id_vars())
+3277    def _parse_constraint(self) -> t.Optional[exp.Expression]:
+3278        if not self._match(TokenType.CONSTRAINT):
+3279            return self._parse_unnamed_constraint(constraints=self.SCHEMA_UNNAMED_CONSTRAINTS)
+3280
+3281        this = self._parse_id_var()
+3282        expressions = []
+3283
+3284        while True:
+3285            constraint = self._parse_unnamed_constraint() or self._parse_function()
+3286            if not constraint:
+3287                break
+3288            expressions.append(constraint)
+3289
+3290        return self.expression(exp.Constraint, this=this, expressions=expressions)
+3291
+3292    def _parse_unnamed_constraint(
+3293        self, constraints: t.Optional[t.Collection[str]] = None
+3294    ) -> t.Optional[exp.Expression]:
+3295        if not self._match_texts(constraints or self.CONSTRAINT_PARSERS):
+3296            return None
+3297
+3298        constraint = self._prev.text.upper()
+3299        if constraint not in self.CONSTRAINT_PARSERS:
+3300            self.raise_error(f"No parser found for schema constraint {constraint}.")
 3301
-3302    def _parse_key_constraint_options(self) -> t.List[str]:
-3303        options = []
-3304        while True:
-3305            if not self._curr:
-3306                break
-3307
-3308            if self._match(TokenType.ON):
-3309                action = None
-3310                on = self._advance_any() and self._prev.text
-3311
-3312                if self._match(TokenType.NO_ACTION):
-3313                    action = "NO ACTION"
-3314                elif self._match(TokenType.CASCADE):
-3315                    action = "CASCADE"
-3316                elif self._match_pair(TokenType.SET, TokenType.NULL):
-3317                    action = "SET NULL"
-3318                elif self._match_pair(TokenType.SET, TokenType.DEFAULT):
-3319                    action = "SET DEFAULT"
-3320                else:
-3321                    self.raise_error("Invalid key constraint")
-3322
-3323                options.append(f"ON {on} {action}")
-3324            elif self._match_text_seq("NOT", "ENFORCED"):
-3325                options.append("NOT ENFORCED")
-3326            elif self._match_text_seq("DEFERRABLE"):
-3327                options.append("DEFERRABLE")
-3328            elif self._match_text_seq("INITIALLY", "DEFERRED"):
-3329                options.append("INITIALLY DEFERRED")
-3330            elif self._match_text_seq("NORELY"):
-3331                options.append("NORELY")
-3332            elif self._match_text_seq("MATCH", "FULL"):
-3333                options.append("MATCH FULL")
-3334            else:
-3335                break
-3336
-3337        return options
-3338
-3339    def _parse_references(self, match=True) -> t.Optional[exp.Expression]:
-3340        if match and not self._match(TokenType.REFERENCES):
-3341            return None
-3342
-3343        expressions = None
-3344        this = self._parse_id_var()
+3302        return self.CONSTRAINT_PARSERS[constraint](self)
+3303
+3304    def _parse_unique(self) -> exp.Expression:
+3305        if not self._match(TokenType.L_PAREN, advance=False):
+3306            return self.expression(exp.UniqueColumnConstraint)
+3307        return self.expression(exp.Unique, expressions=self._parse_wrapped_id_vars())
+3308
+3309    def _parse_key_constraint_options(self) -> t.List[str]:
+3310        options = []
+3311        while True:
+3312            if not self._curr:
+3313                break
+3314
+3315            if self._match(TokenType.ON):
+3316                action = None
+3317                on = self._advance_any() and self._prev.text
+3318
+3319                if self._match(TokenType.NO_ACTION):
+3320                    action = "NO ACTION"
+3321                elif self._match(TokenType.CASCADE):
+3322                    action = "CASCADE"
+3323                elif self._match_pair(TokenType.SET, TokenType.NULL):
+3324                    action = "SET NULL"
+3325                elif self._match_pair(TokenType.SET, TokenType.DEFAULT):
+3326                    action = "SET DEFAULT"
+3327                else:
+3328                    self.raise_error("Invalid key constraint")
+3329
+3330                options.append(f"ON {on} {action}")
+3331            elif self._match_text_seq("NOT", "ENFORCED"):
+3332                options.append("NOT ENFORCED")
+3333            elif self._match_text_seq("DEFERRABLE"):
+3334                options.append("DEFERRABLE")
+3335            elif self._match_text_seq("INITIALLY", "DEFERRED"):
+3336                options.append("INITIALLY DEFERRED")
+3337            elif self._match_text_seq("NORELY"):
+3338                options.append("NORELY")
+3339            elif self._match_text_seq("MATCH", "FULL"):
+3340                options.append("MATCH FULL")
+3341            else:
+3342                break
+3343
+3344        return options
 3345
-3346        if self._match(TokenType.L_PAREN, advance=False):
-3347            expressions = self._parse_wrapped_id_vars()
-3348
-3349        options = self._parse_key_constraint_options()
-3350        return self.expression(exp.Reference, this=this, expressions=expressions, options=options)
-3351
-3352    def _parse_foreign_key(self) -> exp.Expression:
-3353        expressions = self._parse_wrapped_id_vars()
-3354        reference = self._parse_references()
-3355        options = {}
-3356
-3357        while self._match(TokenType.ON):
-3358            if not self._match_set((TokenType.DELETE, TokenType.UPDATE)):
-3359                self.raise_error("Expected DELETE or UPDATE")
-3360
-3361            kind = self._prev.text.lower()
-3362
-3363            if self._match(TokenType.NO_ACTION):
-3364                action = "NO ACTION"
-3365            elif self._match(TokenType.SET):
-3366                self._match_set((TokenType.NULL, TokenType.DEFAULT))
-3367                action = "SET " + self._prev.text.upper()
-3368            else:
-3369                self._advance()
-3370                action = self._prev.text.upper()
-3371
-3372            options[kind] = action
-3373
-3374        return self.expression(
-3375            exp.ForeignKey, expressions=expressions, reference=reference, **options  # type: ignore
-3376        )
-3377
-3378    def _parse_primary_key(self) -> exp.Expression:
-3379        desc = (
-3380            self._match_set((TokenType.ASC, TokenType.DESC))
-3381            and self._prev.token_type == TokenType.DESC
-3382        )
-3383
-3384        if not self._match(TokenType.L_PAREN, advance=False):
-3385            return self.expression(exp.PrimaryKeyColumnConstraint, desc=desc)
-3386
-3387        expressions = self._parse_wrapped_id_vars()
-3388        options = self._parse_key_constraint_options()
-3389        return self.expression(exp.PrimaryKey, expressions=expressions, options=options)
+3346    def _parse_references(self, match=True) -> t.Optional[exp.Expression]:
+3347        if match and not self._match(TokenType.REFERENCES):
+3348            return None
+3349
+3350        expressions = None
+3351        this = self._parse_id_var()
+3352
+3353        if self._match(TokenType.L_PAREN, advance=False):
+3354            expressions = self._parse_wrapped_id_vars()
+3355
+3356        options = self._parse_key_constraint_options()
+3357        return self.expression(exp.Reference, this=this, expressions=expressions, options=options)
+3358
+3359    def _parse_foreign_key(self) -> exp.Expression:
+3360        expressions = self._parse_wrapped_id_vars()
+3361        reference = self._parse_references()
+3362        options = {}
+3363
+3364        while self._match(TokenType.ON):
+3365            if not self._match_set((TokenType.DELETE, TokenType.UPDATE)):
+3366                self.raise_error("Expected DELETE or UPDATE")
+3367
+3368            kind = self._prev.text.lower()
+3369
+3370            if self._match(TokenType.NO_ACTION):
+3371                action = "NO ACTION"
+3372            elif self._match(TokenType.SET):
+3373                self._match_set((TokenType.NULL, TokenType.DEFAULT))
+3374                action = "SET " + self._prev.text.upper()
+3375            else:
+3376                self._advance()
+3377                action = self._prev.text.upper()
+3378
+3379            options[kind] = action
+3380
+3381        return self.expression(
+3382            exp.ForeignKey, expressions=expressions, reference=reference, **options  # type: ignore
+3383        )
+3384
+3385    def _parse_primary_key(self) -> exp.Expression:
+3386        desc = (
+3387            self._match_set((TokenType.ASC, TokenType.DESC))
+3388            and self._prev.token_type == TokenType.DESC
+3389        )
 3390
-3391    def _parse_bracket(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-3392        if not self._match_set((TokenType.L_BRACKET, TokenType.L_BRACE)):
-3393            return this
-3394
-3395        bracket_kind = self._prev.token_type
-3396        expressions: t.List[t.Optional[exp.Expression]]
+3391        if not self._match(TokenType.L_PAREN, advance=False):
+3392            return self.expression(exp.PrimaryKeyColumnConstraint, desc=desc)
+3393
+3394        expressions = self._parse_wrapped_id_vars()
+3395        options = self._parse_key_constraint_options()
+3396        return self.expression(exp.PrimaryKey, expressions=expressions, options=options)
 3397
-3398        if self._match(TokenType.COLON):
-3399            expressions = [self.expression(exp.Slice, expression=self._parse_conjunction())]
-3400        else:
-3401            expressions = self._parse_csv(lambda: self._parse_slice(self._parse_conjunction()))
-3402
-3403        # https://duckdb.org/docs/sql/data_types/struct.html#creating-structs
-3404        if bracket_kind == TokenType.L_BRACE:
-3405            this = self.expression(exp.Struct, expressions=expressions)
-3406        elif not this or this.name.upper() == "ARRAY":
-3407            this = self.expression(exp.Array, expressions=expressions)
-3408        else:
-3409            expressions = apply_index_offset(this, expressions, -self.index_offset)
-3410            this = self.expression(exp.Bracket, this=this, expressions=expressions)
-3411
-3412        if not self._match(TokenType.R_BRACKET) and bracket_kind == TokenType.L_BRACKET:
-3413            self.raise_error("Expected ]")
-3414        elif not self._match(TokenType.R_BRACE) and bracket_kind == TokenType.L_BRACE:
-3415            self.raise_error("Expected }")
-3416
-3417        this.comments = self._prev_comments
-3418        return self._parse_bracket(this)
-3419
-3420    def _parse_slice(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-3421        if self._match(TokenType.COLON):
-3422            return self.expression(exp.Slice, this=this, expression=self._parse_conjunction())
-3423        return this
-3424
-3425    def _parse_case(self) -> t.Optional[exp.Expression]:
-3426        ifs = []
-3427        default = None
-3428
-3429        expression = self._parse_conjunction()
-3430
-3431        while self._match(TokenType.WHEN):
-3432            this = self._parse_conjunction()
-3433            self._match(TokenType.THEN)
-3434            then = self._parse_conjunction()
-3435            ifs.append(self.expression(exp.If, this=this, true=then))
-3436
-3437        if self._match(TokenType.ELSE):
-3438            default = self._parse_conjunction()
-3439
-3440        if not self._match(TokenType.END):
-3441            self.raise_error("Expected END after CASE", self._prev)
-3442
-3443        return self._parse_window(
-3444            self.expression(exp.Case, this=expression, ifs=ifs, default=default)
-3445        )
+3398    def _parse_bracket(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+3399        if not self._match_set((TokenType.L_BRACKET, TokenType.L_BRACE)):
+3400            return this
+3401
+3402        bracket_kind = self._prev.token_type
+3403        expressions: t.List[t.Optional[exp.Expression]]
+3404
+3405        if self._match(TokenType.COLON):
+3406            expressions = [self.expression(exp.Slice, expression=self._parse_conjunction())]
+3407        else:
+3408            expressions = self._parse_csv(lambda: self._parse_slice(self._parse_conjunction()))
+3409
+3410        # https://duckdb.org/docs/sql/data_types/struct.html#creating-structs
+3411        if bracket_kind == TokenType.L_BRACE:
+3412            this = self.expression(exp.Struct, expressions=expressions)
+3413        elif not this or this.name.upper() == "ARRAY":
+3414            this = self.expression(exp.Array, expressions=expressions)
+3415        else:
+3416            expressions = apply_index_offset(this, expressions, -self.index_offset)
+3417            this = self.expression(exp.Bracket, this=this, expressions=expressions)
+3418
+3419        if not self._match(TokenType.R_BRACKET) and bracket_kind == TokenType.L_BRACKET:
+3420            self.raise_error("Expected ]")
+3421        elif not self._match(TokenType.R_BRACE) and bracket_kind == TokenType.L_BRACE:
+3422            self.raise_error("Expected }")
+3423
+3424        this.comments = self._prev_comments
+3425        return self._parse_bracket(this)
+3426
+3427    def _parse_slice(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+3428        if self._match(TokenType.COLON):
+3429            return self.expression(exp.Slice, this=this, expression=self._parse_conjunction())
+3430        return this
+3431
+3432    def _parse_case(self) -> t.Optional[exp.Expression]:
+3433        ifs = []
+3434        default = None
+3435
+3436        expression = self._parse_conjunction()
+3437
+3438        while self._match(TokenType.WHEN):
+3439            this = self._parse_conjunction()
+3440            self._match(TokenType.THEN)
+3441            then = self._parse_conjunction()
+3442            ifs.append(self.expression(exp.If, this=this, true=then))
+3443
+3444        if self._match(TokenType.ELSE):
+3445            default = self._parse_conjunction()
 3446
-3447    def _parse_if(self) -> t.Optional[exp.Expression]:
-3448        if self._match(TokenType.L_PAREN):
-3449            args = self._parse_csv(self._parse_conjunction)
-3450            this = exp.If.from_arg_list(args)
-3451            self.validate_expression(this, args)
-3452            self._match_r_paren()
-3453        else:
-3454            condition = self._parse_conjunction()
-3455            self._match(TokenType.THEN)
-3456            true = self._parse_conjunction()
-3457            false = self._parse_conjunction() if self._match(TokenType.ELSE) else None
-3458            self._match(TokenType.END)
-3459            this = self.expression(exp.If, this=condition, true=true, false=false)
-3460
-3461        return self._parse_window(this)
-3462
-3463    def _parse_extract(self) -> exp.Expression:
-3464        this = self._parse_function() or self._parse_var() or self._parse_type()
-3465
-3466        if self._match(TokenType.FROM):
-3467            return self.expression(exp.Extract, this=this, expression=self._parse_bitwise())
-3468
-3469        if not self._match(TokenType.COMMA):
-3470            self.raise_error("Expected FROM or comma after EXTRACT", self._prev)
-3471
-3472        return self.expression(exp.Extract, this=this, expression=self._parse_bitwise())
+3447        if not self._match(TokenType.END):
+3448            self.raise_error("Expected END after CASE", self._prev)
+3449
+3450        return self._parse_window(
+3451            self.expression(exp.Case, this=expression, ifs=ifs, default=default)
+3452        )
+3453
+3454    def _parse_if(self) -> t.Optional[exp.Expression]:
+3455        if self._match(TokenType.L_PAREN):
+3456            args = self._parse_csv(self._parse_conjunction)
+3457            this = exp.If.from_arg_list(args)
+3458            self.validate_expression(this, args)
+3459            self._match_r_paren()
+3460        else:
+3461            index = self._index - 1
+3462            condition = self._parse_conjunction()
+3463
+3464            if not condition:
+3465                self._retreat(index)
+3466                return None
+3467
+3468            self._match(TokenType.THEN)
+3469            true = self._parse_conjunction()
+3470            false = self._parse_conjunction() if self._match(TokenType.ELSE) else None
+3471            self._match(TokenType.END)
+3472            this = self.expression(exp.If, this=condition, true=true, false=false)
 3473
-3474    def _parse_cast(self, strict: bool) -> exp.Expression:
-3475        this = self._parse_conjunction()
-3476
-3477        if not self._match(TokenType.ALIAS):
-3478            self.raise_error("Expected AS after CAST")
-3479
-3480        to = self._parse_types()
+3474        return self._parse_window(this)
+3475
+3476    def _parse_extract(self) -> exp.Expression:
+3477        this = self._parse_function() or self._parse_var() or self._parse_type()
+3478
+3479        if self._match(TokenType.FROM):
+3480            return self.expression(exp.Extract, this=this, expression=self._parse_bitwise())
 3481
-3482        if not to:
-3483            self.raise_error("Expected TYPE after CAST")
-3484        elif to.this == exp.DataType.Type.CHAR:
-3485            if self._match(TokenType.CHARACTER_SET):
-3486                to = self.expression(exp.CharacterSet, this=self._parse_var_or_string())
-3487
-3488        return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
+3482        if not self._match(TokenType.COMMA):
+3483            self.raise_error("Expected FROM or comma after EXTRACT", self._prev)
+3484
+3485        return self.expression(exp.Extract, this=this, expression=self._parse_bitwise())
+3486
+3487    def _parse_cast(self, strict: bool) -> exp.Expression:
+3488        this = self._parse_conjunction()
 3489
-3490    def _parse_string_agg(self) -> exp.Expression:
-3491        expression: t.Optional[exp.Expression]
+3490        if not self._match(TokenType.ALIAS):
+3491            self.raise_error("Expected AS after CAST")
 3492
-3493        if self._match(TokenType.DISTINCT):
-3494            args = self._parse_csv(self._parse_conjunction)
-3495            expression = self.expression(exp.Distinct, expressions=[seq_get(args, 0)])
-3496        else:
-3497            args = self._parse_csv(self._parse_conjunction)
-3498            expression = seq_get(args, 0)
-3499
-3500        index = self._index
-3501        if not self._match(TokenType.R_PAREN):
-3502            # postgres: STRING_AGG([DISTINCT] expression, separator [ORDER BY expression1 {ASC | DESC} [, ...]])
-3503            order = self._parse_order(this=expression)
-3504            return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1))
+3493        to = self._parse_types()
+3494
+3495        if not to:
+3496            self.raise_error("Expected TYPE after CAST")
+3497        elif to.this == exp.DataType.Type.CHAR:
+3498            if self._match(TokenType.CHARACTER_SET):
+3499                to = self.expression(exp.CharacterSet, this=self._parse_var_or_string())
+3500
+3501        return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
+3502
+3503    def _parse_string_agg(self) -> exp.Expression:
+3504        expression: t.Optional[exp.Expression]
 3505
-3506        # Checks if we can parse an order clause: WITHIN GROUP (ORDER BY <order_by_expression_list> [ASC | DESC]).
-3507        # This is done "manually", instead of letting _parse_window parse it into an exp.WithinGroup node, so that
-3508        # the STRING_AGG call is parsed like in MySQL / SQLite and can thus be transpiled more easily to them.
-3509        if not self._match(TokenType.WITHIN_GROUP):
-3510            self._retreat(index)
-3511            this = exp.GroupConcat.from_arg_list(args)
-3512            self.validate_expression(this, args)
-3513            return this
-3514
-3515        self._match_l_paren()  # The corresponding match_r_paren will be called in parse_function (caller)
-3516        order = self._parse_order(this=expression)
-3517        return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1))
+3506        if self._match(TokenType.DISTINCT):
+3507            args = self._parse_csv(self._parse_conjunction)
+3508            expression = self.expression(exp.Distinct, expressions=[seq_get(args, 0)])
+3509        else:
+3510            args = self._parse_csv(self._parse_conjunction)
+3511            expression = seq_get(args, 0)
+3512
+3513        index = self._index
+3514        if not self._match(TokenType.R_PAREN):
+3515            # postgres: STRING_AGG([DISTINCT] expression, separator [ORDER BY expression1 {ASC | DESC} [, ...]])
+3516            order = self._parse_order(this=expression)
+3517            return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1))
 3518
-3519    def _parse_convert(self, strict: bool) -> t.Optional[exp.Expression]:
-3520        to: t.Optional[exp.Expression]
-3521        this = self._parse_bitwise()
-3522
-3523        if self._match(TokenType.USING):
-3524            to = self.expression(exp.CharacterSet, this=self._parse_var())
-3525        elif self._match(TokenType.COMMA):
-3526            to = self._parse_bitwise()
-3527        else:
-3528            to = None
-3529
-3530        # Swap the argument order if needed to produce the correct AST
-3531        if self.CONVERT_TYPE_FIRST:
-3532            this, to = to, this
-3533
-3534        return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
+3519        # Checks if we can parse an order clause: WITHIN GROUP (ORDER BY <order_by_expression_list> [ASC | DESC]).
+3520        # This is done "manually", instead of letting _parse_window parse it into an exp.WithinGroup node, so that
+3521        # the STRING_AGG call is parsed like in MySQL / SQLite and can thus be transpiled more easily to them.
+3522        if not self._match(TokenType.WITHIN_GROUP):
+3523            self._retreat(index)
+3524            this = exp.GroupConcat.from_arg_list(args)
+3525            self.validate_expression(this, args)
+3526            return this
+3527
+3528        self._match_l_paren()  # The corresponding match_r_paren will be called in parse_function (caller)
+3529        order = self._parse_order(this=expression)
+3530        return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1))
+3531
+3532    def _parse_convert(self, strict: bool) -> t.Optional[exp.Expression]:
+3533        to: t.Optional[exp.Expression]
+3534        this = self._parse_bitwise()
 3535
-3536    def _parse_decode(self) -> t.Optional[exp.Expression]:
-3537        """
-3538        There are generally two variants of the DECODE function:
-3539
-3540        - DECODE(bin, charset)
-3541        - DECODE(expression, search, result [, search, result] ... [, default])
+3536        if self._match(TokenType.USING):
+3537            to = self.expression(exp.CharacterSet, this=self._parse_var())
+3538        elif self._match(TokenType.COMMA):
+3539            to = self._parse_bitwise()
+3540        else:
+3541            to = None
 3542
-3543        The second variant will always be parsed into a CASE expression. Note that NULL
-3544        needs special treatment, since we need to explicitly check for it with `IS NULL`,
-3545        instead of relying on pattern matching.
-3546        """
-3547        args = self._parse_csv(self._parse_conjunction)
+3543        # Swap the argument order if needed to produce the correct AST
+3544        if self.CONVERT_TYPE_FIRST:
+3545            this, to = to, this
+3546
+3547        return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
 3548
-3549        if len(args) < 3:
-3550            return self.expression(exp.Decode, this=seq_get(args, 0), charset=seq_get(args, 1))
-3551
-3552        expression, *expressions = args
-3553        if not expression:
-3554            return None
+3549    def _parse_decode(self) -> t.Optional[exp.Expression]:
+3550        """
+3551        There are generally two variants of the DECODE function:
+3552
+3553        - DECODE(bin, charset)
+3554        - DECODE(expression, search, result [, search, result] ... [, default])
 3555
-3556        ifs = []
-3557        for search, result in zip(expressions[::2], expressions[1::2]):
-3558            if not search or not result:
-3559                return None
-3560
-3561            if isinstance(search, exp.Literal):
-3562                ifs.append(
-3563                    exp.If(this=exp.EQ(this=expression.copy(), expression=search), true=result)
-3564                )
-3565            elif isinstance(search, exp.Null):
-3566                ifs.append(
-3567                    exp.If(this=exp.Is(this=expression.copy(), expression=exp.Null()), true=result)
-3568                )
-3569            else:
-3570                cond = exp.or_(
-3571                    exp.EQ(this=expression.copy(), expression=search),
-3572                    exp.and_(
-3573                        exp.Is(this=expression.copy(), expression=exp.Null()),
-3574                        exp.Is(this=search.copy(), expression=exp.Null()),
-3575                    ),
-3576                )
-3577                ifs.append(exp.If(this=cond, true=result))
-3578
-3579        return exp.Case(ifs=ifs, default=expressions[-1] if len(expressions) % 2 == 1 else None)
-3580
-3581    def _parse_json_key_value(self) -> t.Optional[exp.Expression]:
-3582        self._match_text_seq("KEY")
-3583        key = self._parse_field()
-3584        self._match(TokenType.COLON)
-3585        self._match_text_seq("VALUE")
-3586        value = self._parse_field()
-3587        if not key and not value:
-3588            return None
-3589        return self.expression(exp.JSONKeyValue, this=key, expression=value)
-3590
-3591    def _parse_json_object(self) -> exp.Expression:
-3592        expressions = self._parse_csv(self._parse_json_key_value)
+3556        The second variant will always be parsed into a CASE expression. Note that NULL
+3557        needs special treatment, since we need to explicitly check for it with `IS NULL`,
+3558        instead of relying on pattern matching.
+3559        """
+3560        args = self._parse_csv(self._parse_conjunction)
+3561
+3562        if len(args) < 3:
+3563            return self.expression(exp.Decode, this=seq_get(args, 0), charset=seq_get(args, 1))
+3564
+3565        expression, *expressions = args
+3566        if not expression:
+3567            return None
+3568
+3569        ifs = []
+3570        for search, result in zip(expressions[::2], expressions[1::2]):
+3571            if not search or not result:
+3572                return None
+3573
+3574            if isinstance(search, exp.Literal):
+3575                ifs.append(
+3576                    exp.If(this=exp.EQ(this=expression.copy(), expression=search), true=result)
+3577                )
+3578            elif isinstance(search, exp.Null):
+3579                ifs.append(
+3580                    exp.If(this=exp.Is(this=expression.copy(), expression=exp.Null()), true=result)
+3581                )
+3582            else:
+3583                cond = exp.or_(
+3584                    exp.EQ(this=expression.copy(), expression=search),
+3585                    exp.and_(
+3586                        exp.Is(this=expression.copy(), expression=exp.Null()),
+3587                        exp.Is(this=search.copy(), expression=exp.Null()),
+3588                        copy=False,
+3589                    ),
+3590                    copy=False,
+3591                )
+3592                ifs.append(exp.If(this=cond, true=result))
 3593
-3594        null_handling = None
-3595        if self._match_text_seq("NULL", "ON", "NULL"):
-3596            null_handling = "NULL ON NULL"
-3597        elif self._match_text_seq("ABSENT", "ON", "NULL"):
-3598            null_handling = "ABSENT ON NULL"
-3599
-3600        unique_keys = None
-3601        if self._match_text_seq("WITH", "UNIQUE"):
-3602            unique_keys = True
-3603        elif self._match_text_seq("WITHOUT", "UNIQUE"):
-3604            unique_keys = False
+3594        return exp.Case(ifs=ifs, default=expressions[-1] if len(expressions) % 2 == 1 else None)
+3595
+3596    def _parse_json_key_value(self) -> t.Optional[exp.Expression]:
+3597        self._match_text_seq("KEY")
+3598        key = self._parse_field()
+3599        self._match(TokenType.COLON)
+3600        self._match_text_seq("VALUE")
+3601        value = self._parse_field()
+3602        if not key and not value:
+3603            return None
+3604        return self.expression(exp.JSONKeyValue, this=key, expression=value)
 3605
-3606        self._match_text_seq("KEYS")
-3607
-3608        return_type = self._match_text_seq("RETURNING") and self._parse_type()
-3609        format_json = self._match_text_seq("FORMAT", "JSON")
-3610        encoding = self._match_text_seq("ENCODING") and self._parse_var()
-3611
-3612        return self.expression(
-3613            exp.JSONObject,
-3614            expressions=expressions,
-3615            null_handling=null_handling,
-3616            unique_keys=unique_keys,
-3617            return_type=return_type,
-3618            format_json=format_json,
-3619            encoding=encoding,
-3620        )
-3621
-3622    def _parse_logarithm(self) -> exp.Expression:
-3623        # Default argument order is base, expression
-3624        args = self._parse_csv(self._parse_range)
-3625
-3626        if len(args) > 1:
-3627            if not self.LOG_BASE_FIRST:
-3628                args.reverse()
-3629            return exp.Log.from_arg_list(args)
-3630
-3631        return self.expression(
-3632            exp.Ln if self.LOG_DEFAULTS_TO_LN else exp.Log, this=seq_get(args, 0)
-3633        )
-3634
-3635    def _parse_match_against(self) -> exp.Expression:
-3636        expressions = self._parse_csv(self._parse_column)
-3637
-3638        self._match_text_seq(")", "AGAINST", "(")
-3639
-3640        this = self._parse_string()
-3641
-3642        if self._match_text_seq("IN", "NATURAL", "LANGUAGE", "MODE"):
-3643            modifier = "IN NATURAL LANGUAGE MODE"
-3644            if self._match_text_seq("WITH", "QUERY", "EXPANSION"):
-3645                modifier = f"{modifier} WITH QUERY EXPANSION"
-3646        elif self._match_text_seq("IN", "BOOLEAN", "MODE"):
-3647            modifier = "IN BOOLEAN MODE"
-3648        elif self._match_text_seq("WITH", "QUERY", "EXPANSION"):
-3649            modifier = "WITH QUERY EXPANSION"
-3650        else:
-3651            modifier = None
+3606    def _parse_json_object(self) -> exp.Expression:
+3607        expressions = self._parse_csv(self._parse_json_key_value)
+3608
+3609        null_handling = None
+3610        if self._match_text_seq("NULL", "ON", "NULL"):
+3611            null_handling = "NULL ON NULL"
+3612        elif self._match_text_seq("ABSENT", "ON", "NULL"):
+3613            null_handling = "ABSENT ON NULL"
+3614
+3615        unique_keys = None
+3616        if self._match_text_seq("WITH", "UNIQUE"):
+3617            unique_keys = True
+3618        elif self._match_text_seq("WITHOUT", "UNIQUE"):
+3619            unique_keys = False
+3620
+3621        self._match_text_seq("KEYS")
+3622
+3623        return_type = self._match_text_seq("RETURNING") and self._parse_type()
+3624        format_json = self._match_text_seq("FORMAT", "JSON")
+3625        encoding = self._match_text_seq("ENCODING") and self._parse_var()
+3626
+3627        return self.expression(
+3628            exp.JSONObject,
+3629            expressions=expressions,
+3630            null_handling=null_handling,
+3631            unique_keys=unique_keys,
+3632            return_type=return_type,
+3633            format_json=format_json,
+3634            encoding=encoding,
+3635        )
+3636
+3637    def _parse_logarithm(self) -> exp.Expression:
+3638        # Default argument order is base, expression
+3639        args = self._parse_csv(self._parse_range)
+3640
+3641        if len(args) > 1:
+3642            if not self.LOG_BASE_FIRST:
+3643                args.reverse()
+3644            return exp.Log.from_arg_list(args)
+3645
+3646        return self.expression(
+3647            exp.Ln if self.LOG_DEFAULTS_TO_LN else exp.Log, this=seq_get(args, 0)
+3648        )
+3649
+3650    def _parse_match_against(self) -> exp.Expression:
+3651        expressions = self._parse_csv(self._parse_column)
 3652
-3653        return self.expression(
-3654            exp.MatchAgainst, this=this, expressions=expressions, modifier=modifier
-3655        )
+3653        self._match_text_seq(")", "AGAINST", "(")
+3654
+3655        this = self._parse_string()
 3656
-3657    def _parse_position(self, haystack_first: bool = False) -> exp.Expression:
-3658        args = self._parse_csv(self._parse_bitwise)
-3659
-3660        if self._match(TokenType.IN):
-3661            return self.expression(
-3662                exp.StrPosition, this=self._parse_bitwise(), substr=seq_get(args, 0)
-3663            )
-3664
-3665        if haystack_first:
-3666            haystack = seq_get(args, 0)
-3667            needle = seq_get(args, 1)
-3668        else:
-3669            needle = seq_get(args, 0)
-3670            haystack = seq_get(args, 1)
+3657        if self._match_text_seq("IN", "NATURAL", "LANGUAGE", "MODE"):
+3658            modifier = "IN NATURAL LANGUAGE MODE"
+3659            if self._match_text_seq("WITH", "QUERY", "EXPANSION"):
+3660                modifier = f"{modifier} WITH QUERY EXPANSION"
+3661        elif self._match_text_seq("IN", "BOOLEAN", "MODE"):
+3662            modifier = "IN BOOLEAN MODE"
+3663        elif self._match_text_seq("WITH", "QUERY", "EXPANSION"):
+3664            modifier = "WITH QUERY EXPANSION"
+3665        else:
+3666            modifier = None
+3667
+3668        return self.expression(
+3669            exp.MatchAgainst, this=this, expressions=expressions, modifier=modifier
+3670        )
 3671
-3672        this = exp.StrPosition(this=haystack, substr=needle, position=seq_get(args, 2))
-3673
-3674        self.validate_expression(this, args)
-3675
-3676        return this
-3677
-3678    def _parse_join_hint(self, func_name: str) -> exp.Expression:
-3679        args = self._parse_csv(self._parse_table)
-3680        return exp.JoinHint(this=func_name.upper(), expressions=args)
-3681
-3682    def _parse_substring(self) -> exp.Expression:
-3683        # Postgres supports the form: substring(string [from int] [for int])
-3684        # https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6
-3685
-3686        args = self._parse_csv(self._parse_bitwise)
-3687
-3688        if self._match(TokenType.FROM):
-3689            args.append(self._parse_bitwise())
-3690            if self._match(TokenType.FOR):
-3691                args.append(self._parse_bitwise())
+3672    def _parse_position(self, haystack_first: bool = False) -> exp.Expression:
+3673        args = self._parse_csv(self._parse_bitwise)
+3674
+3675        if self._match(TokenType.IN):
+3676            return self.expression(
+3677                exp.StrPosition, this=self._parse_bitwise(), substr=seq_get(args, 0)
+3678            )
+3679
+3680        if haystack_first:
+3681            haystack = seq_get(args, 0)
+3682            needle = seq_get(args, 1)
+3683        else:
+3684            needle = seq_get(args, 0)
+3685            haystack = seq_get(args, 1)
+3686
+3687        this = exp.StrPosition(this=haystack, substr=needle, position=seq_get(args, 2))
+3688
+3689        self.validate_expression(this, args)
+3690
+3691        return this
 3692
-3693        this = exp.Substring.from_arg_list(args)
-3694        self.validate_expression(this, args)
-3695
-3696        return this
-3697
-3698    def _parse_trim(self) -> exp.Expression:
-3699        # https://www.w3resource.com/sql/character-functions/trim.php
-3700        # https://docs.oracle.com/javadb/10.8.3.0/ref/rreftrimfunc.html
-3701
-3702        position = None
-3703        collation = None
-3704
-3705        if self._match_set(self.TRIM_TYPES):
-3706            position = self._prev.text.upper()
+3693    def _parse_join_hint(self, func_name: str) -> exp.Expression:
+3694        args = self._parse_csv(self._parse_table)
+3695        return exp.JoinHint(this=func_name.upper(), expressions=args)
+3696
+3697    def _parse_substring(self) -> exp.Expression:
+3698        # Postgres supports the form: substring(string [from int] [for int])
+3699        # https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6
+3700
+3701        args = self._parse_csv(self._parse_bitwise)
+3702
+3703        if self._match(TokenType.FROM):
+3704            args.append(self._parse_bitwise())
+3705            if self._match(TokenType.FOR):
+3706                args.append(self._parse_bitwise())
 3707
-3708        expression = self._parse_term()
-3709        if self._match_set((TokenType.FROM, TokenType.COMMA)):
-3710            this = self._parse_term()
-3711        else:
-3712            this = expression
-3713            expression = None
-3714
-3715        if self._match(TokenType.COLLATE):
-3716            collation = self._parse_term()
-3717
-3718        return self.expression(
-3719            exp.Trim,
-3720            this=this,
-3721            position=position,
-3722            expression=expression,
-3723            collation=collation,
-3724        )
-3725
-3726    def _parse_window_clause(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
-3727        return self._match(TokenType.WINDOW) and self._parse_csv(self._parse_named_window)
-3728
-3729    def _parse_named_window(self) -> t.Optional[exp.Expression]:
-3730        return self._parse_window(self._parse_id_var(), alias=True)
-3731
-3732    def _parse_window(
-3733        self, this: t.Optional[exp.Expression], alias: bool = False
-3734    ) -> t.Optional[exp.Expression]:
-3735        if self._match_pair(TokenType.FILTER, TokenType.L_PAREN):
-3736            this = self.expression(exp.Filter, this=this, expression=self._parse_where())
-3737            self._match_r_paren()
-3738
-3739        # T-SQL allows the OVER (...) syntax after WITHIN GROUP.
-3740        # https://learn.microsoft.com/en-us/sql/t-sql/functions/percentile-disc-transact-sql?view=sql-server-ver16
-3741        if self._match(TokenType.WITHIN_GROUP):
-3742            order = self._parse_wrapped(self._parse_order)
-3743            this = self.expression(exp.WithinGroup, this=this, expression=order)
-3744
-3745        # SQL spec defines an optional [ { IGNORE | RESPECT } NULLS ] OVER
-3746        # Some dialects choose to implement and some do not.
-3747        # https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html
-3748
-3749        # There is some code above in _parse_lambda that handles
-3750        #   SELECT FIRST_VALUE(TABLE.COLUMN IGNORE|RESPECT NULLS) OVER ...
-3751
-3752        # The below changes handle
-3753        #   SELECT FIRST_VALUE(TABLE.COLUMN) IGNORE|RESPECT NULLS OVER ...
-3754
-3755        # Oracle allows both formats
-3756        #   (https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/img_text/first_value.html)
-3757        #   and Snowflake chose to do the same for familiarity
-3758        #   https://docs.snowflake.com/en/sql-reference/functions/first_value.html#usage-notes
-3759        if self._match(TokenType.IGNORE_NULLS):
-3760            this = self.expression(exp.IgnoreNulls, this=this)
-3761        elif self._match(TokenType.RESPECT_NULLS):
-3762            this = self.expression(exp.RespectNulls, this=this)
-3763
-3764        # bigquery select from window x AS (partition by ...)
-3765        if alias:
-3766            self._match(TokenType.ALIAS)
-3767        elif not self._match(TokenType.OVER):
-3768            return this
-3769
-3770        if not self._match(TokenType.L_PAREN):
-3771            return self.expression(exp.Window, this=this, alias=self._parse_id_var(False))
+3708        this = exp.Substring.from_arg_list(args)
+3709        self.validate_expression(this, args)
+3710
+3711        return this
+3712
+3713    def _parse_trim(self) -> exp.Expression:
+3714        # https://www.w3resource.com/sql/character-functions/trim.php
+3715        # https://docs.oracle.com/javadb/10.8.3.0/ref/rreftrimfunc.html
+3716
+3717        position = None
+3718        collation = None
+3719
+3720        if self._match_set(self.TRIM_TYPES):
+3721            position = self._prev.text.upper()
+3722
+3723        expression = self._parse_bitwise()
+3724        if self._match_set((TokenType.FROM, TokenType.COMMA)):
+3725            this = self._parse_bitwise()
+3726        else:
+3727            this = expression
+3728            expression = None
+3729
+3730        if self._match(TokenType.COLLATE):
+3731            collation = self._parse_bitwise()
+3732
+3733        return self.expression(
+3734            exp.Trim,
+3735            this=this,
+3736            position=position,
+3737            expression=expression,
+3738            collation=collation,
+3739        )
+3740
+3741    def _parse_window_clause(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
+3742        return self._match(TokenType.WINDOW) and self._parse_csv(self._parse_named_window)
+3743
+3744    def _parse_named_window(self) -> t.Optional[exp.Expression]:
+3745        return self._parse_window(self._parse_id_var(), alias=True)
+3746
+3747    def _parse_respect_or_ignore_nulls(
+3748        self, this: t.Optional[exp.Expression]
+3749    ) -> t.Optional[exp.Expression]:
+3750        if self._match(TokenType.IGNORE_NULLS):
+3751            return self.expression(exp.IgnoreNulls, this=this)
+3752        if self._match(TokenType.RESPECT_NULLS):
+3753            return self.expression(exp.RespectNulls, this=this)
+3754        return this
+3755
+3756    def _parse_window(
+3757        self, this: t.Optional[exp.Expression], alias: bool = False
+3758    ) -> t.Optional[exp.Expression]:
+3759        if self._match_pair(TokenType.FILTER, TokenType.L_PAREN):
+3760            this = self.expression(exp.Filter, this=this, expression=self._parse_where())
+3761            self._match_r_paren()
+3762
+3763        # T-SQL allows the OVER (...) syntax after WITHIN GROUP.
+3764        # https://learn.microsoft.com/en-us/sql/t-sql/functions/percentile-disc-transact-sql?view=sql-server-ver16
+3765        if self._match(TokenType.WITHIN_GROUP):
+3766            order = self._parse_wrapped(self._parse_order)
+3767            this = self.expression(exp.WithinGroup, this=this, expression=order)
+3768
+3769        # SQL spec defines an optional [ { IGNORE | RESPECT } NULLS ] OVER
+3770        # Some dialects choose to implement and some do not.
+3771        # https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html
 3772
-3773        window_alias = self._parse_id_var(any_token=False, tokens=self.WINDOW_ALIAS_TOKENS)
-3774        partition = self._parse_partition_by()
-3775        order = self._parse_order()
-3776        kind = self._match_set((TokenType.ROWS, TokenType.RANGE)) and self._prev.text
-3777
-3778        if kind:
-3779            self._match(TokenType.BETWEEN)
-3780            start = self._parse_window_spec()
-3781            self._match(TokenType.AND)
-3782            end = self._parse_window_spec()
-3783
-3784            spec = self.expression(
-3785                exp.WindowSpec,
-3786                kind=kind,
-3787                start=start["value"],
-3788                start_side=start["side"],
-3789                end=end["value"],
-3790                end_side=end["side"],
-3791            )
-3792        else:
-3793            spec = None
-3794
-3795        self._match_r_paren()
-3796
-3797        return self.expression(
-3798            exp.Window,
-3799            this=this,
-3800            partition_by=partition,
-3801            order=order,
-3802            spec=spec,
-3803            alias=window_alias,
-3804        )
-3805
-3806    def _parse_window_spec(self) -> t.Dict[str, t.Optional[str | exp.Expression]]:
-3807        self._match(TokenType.BETWEEN)
+3773        # There is some code above in _parse_lambda that handles
+3774        #   SELECT FIRST_VALUE(TABLE.COLUMN IGNORE|RESPECT NULLS) OVER ...
+3775
+3776        # The below changes handle
+3777        #   SELECT FIRST_VALUE(TABLE.COLUMN) IGNORE|RESPECT NULLS OVER ...
+3778
+3779        # Oracle allows both formats
+3780        #   (https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/img_text/first_value.html)
+3781        #   and Snowflake chose to do the same for familiarity
+3782        #   https://docs.snowflake.com/en/sql-reference/functions/first_value.html#usage-notes
+3783        this = self._parse_respect_or_ignore_nulls(this)
+3784
+3785        # bigquery select from window x AS (partition by ...)
+3786        if alias:
+3787            over = None
+3788            self._match(TokenType.ALIAS)
+3789        elif not self._match_set(self.WINDOW_BEFORE_PAREN_TOKENS):
+3790            return this
+3791        else:
+3792            over = self._prev.text.upper()
+3793
+3794        if not self._match(TokenType.L_PAREN):
+3795            return self.expression(
+3796                exp.Window, this=this, alias=self._parse_id_var(False), over=over
+3797            )
+3798
+3799        window_alias = self._parse_id_var(any_token=False, tokens=self.WINDOW_ALIAS_TOKENS)
+3800
+3801        first = self._match(TokenType.FIRST)
+3802        if self._match_text_seq("LAST"):
+3803            first = False
+3804
+3805        partition = self._parse_partition_by()
+3806        order = self._parse_order()
+3807        kind = self._match_set((TokenType.ROWS, TokenType.RANGE)) and self._prev.text
 3808
-3809        return {
-3810            "value": (
-3811                self._match_set((TokenType.UNBOUNDED, TokenType.CURRENT_ROW)) and self._prev.text
-3812            )
-3813            or self._parse_bitwise(),
-3814            "side": self._match_set((TokenType.PRECEDING, TokenType.FOLLOWING)) and self._prev.text,
-3815        }
-3816
-3817    def _parse_alias(
-3818        self, this: t.Optional[exp.Expression], explicit: bool = False
-3819    ) -> t.Optional[exp.Expression]:
-3820        any_token = self._match(TokenType.ALIAS)
-3821
-3822        if explicit and not any_token:
-3823            return this
-3824
-3825        if self._match(TokenType.L_PAREN):
-3826            aliases = self.expression(
-3827                exp.Aliases,
-3828                this=this,
-3829                expressions=self._parse_csv(lambda: self._parse_id_var(any_token)),
-3830            )
-3831            self._match_r_paren(aliases)
-3832            return aliases
-3833
-3834        alias = self._parse_id_var(any_token)
-3835
-3836        if alias:
-3837            return self.expression(exp.Alias, this=this, alias=alias)
+3809        if kind:
+3810            self._match(TokenType.BETWEEN)
+3811            start = self._parse_window_spec()
+3812            self._match(TokenType.AND)
+3813            end = self._parse_window_spec()
+3814
+3815            spec = self.expression(
+3816                exp.WindowSpec,
+3817                kind=kind,
+3818                start=start["value"],
+3819                start_side=start["side"],
+3820                end=end["value"],
+3821                end_side=end["side"],
+3822            )
+3823        else:
+3824            spec = None
+3825
+3826        self._match_r_paren()
+3827
+3828        return self.expression(
+3829            exp.Window,
+3830            this=this,
+3831            partition_by=partition,
+3832            order=order,
+3833            spec=spec,
+3834            alias=window_alias,
+3835            over=over,
+3836            first=first,
+3837        )
 3838
-3839        return this
-3840
-3841    def _parse_id_var(
-3842        self,
-3843        any_token: bool = True,
-3844        tokens: t.Optional[t.Collection[TokenType]] = None,
-3845        prefix_tokens: t.Optional[t.Collection[TokenType]] = None,
-3846    ) -> t.Optional[exp.Expression]:
-3847        identifier = self._parse_identifier()
-3848
-3849        if identifier:
-3850            return identifier
-3851
-3852        prefix = ""
-3853
-3854        if prefix_tokens:
-3855            while self._match_set(prefix_tokens):
-3856                prefix += self._prev.text
+3839    def _parse_window_spec(self) -> t.Dict[str, t.Optional[str | exp.Expression]]:
+3840        self._match(TokenType.BETWEEN)
+3841
+3842        return {
+3843            "value": (
+3844                self._match_set((TokenType.UNBOUNDED, TokenType.CURRENT_ROW)) and self._prev.text
+3845            )
+3846            or self._parse_bitwise(),
+3847            "side": self._match_set((TokenType.PRECEDING, TokenType.FOLLOWING)) and self._prev.text,
+3848        }
+3849
+3850    def _parse_alias(
+3851        self, this: t.Optional[exp.Expression], explicit: bool = False
+3852    ) -> t.Optional[exp.Expression]:
+3853        any_token = self._match(TokenType.ALIAS)
+3854
+3855        if explicit and not any_token:
+3856            return this
 3857
-3858        if (any_token and self._advance_any()) or self._match_set(tokens or self.ID_VAR_TOKENS):
-3859            quoted = self._prev.token_type == TokenType.STRING
-3860            return exp.Identifier(this=prefix + self._prev.text, quoted=quoted)
-3861
-3862        return None
-3863
-3864    def _parse_string(self) -> t.Optional[exp.Expression]:
-3865        if self._match(TokenType.STRING):
-3866            return self.PRIMARY_PARSERS[TokenType.STRING](self, self._prev)
-3867        return self._parse_placeholder()
+3858        if self._match(TokenType.L_PAREN):
+3859            aliases = self.expression(
+3860                exp.Aliases,
+3861                this=this,
+3862                expressions=self._parse_csv(lambda: self._parse_id_var(any_token)),
+3863            )
+3864            self._match_r_paren(aliases)
+3865            return aliases
+3866
+3867        alias = self._parse_id_var(any_token)
 3868
-3869    def _parse_string_as_identifier(self) -> t.Optional[exp.Expression]:
-3870        return exp.to_identifier(self._match(TokenType.STRING) and self._prev.text, quoted=True)
+3869        if alias:
+3870            return self.expression(exp.Alias, this=this, alias=alias)
 3871
-3872    def _parse_number(self) -> t.Optional[exp.Expression]:
-3873        if self._match(TokenType.NUMBER):
-3874            return self.PRIMARY_PARSERS[TokenType.NUMBER](self, self._prev)
-3875        return self._parse_placeholder()
-3876
-3877    def _parse_identifier(self) -> t.Optional[exp.Expression]:
-3878        if self._match(TokenType.IDENTIFIER):
-3879            return self.expression(exp.Identifier, this=self._prev.text, quoted=True)
-3880        return self._parse_placeholder()
+3872        return this
+3873
+3874    def _parse_id_var(
+3875        self,
+3876        any_token: bool = True,
+3877        tokens: t.Optional[t.Collection[TokenType]] = None,
+3878        prefix_tokens: t.Optional[t.Collection[TokenType]] = None,
+3879    ) -> t.Optional[exp.Expression]:
+3880        identifier = self._parse_identifier()
 3881
-3882    def _parse_var(
-3883        self, any_token: bool = False, tokens: t.Optional[t.Collection[TokenType]] = None
-3884    ) -> t.Optional[exp.Expression]:
-3885        if (
-3886            (any_token and self._advance_any())
-3887            or self._match(TokenType.VAR)
-3888            or (self._match_set(tokens) if tokens else False)
-3889        ):
-3890            return self.expression(exp.Var, this=self._prev.text)
-3891        return self._parse_placeholder()
-3892
-3893    def _advance_any(self) -> t.Optional[Token]:
-3894        if self._curr and self._curr.token_type not in self.RESERVED_KEYWORDS:
-3895            self._advance()
-3896            return self._prev
-3897        return None
-3898
-3899    def _parse_var_or_string(self) -> t.Optional[exp.Expression]:
-3900        return self._parse_var() or self._parse_string()
+3882        if identifier:
+3883            return identifier
+3884
+3885        prefix = ""
+3886
+3887        if prefix_tokens:
+3888            while self._match_set(prefix_tokens):
+3889                prefix += self._prev.text
+3890
+3891        if (any_token and self._advance_any()) or self._match_set(tokens or self.ID_VAR_TOKENS):
+3892            quoted = self._prev.token_type == TokenType.STRING
+3893            return exp.Identifier(this=prefix + self._prev.text, quoted=quoted)
+3894
+3895        return None
+3896
+3897    def _parse_string(self) -> t.Optional[exp.Expression]:
+3898        if self._match(TokenType.STRING):
+3899            return self.PRIMARY_PARSERS[TokenType.STRING](self, self._prev)
+3900        return self._parse_placeholder()
 3901
-3902    def _parse_null(self) -> t.Optional[exp.Expression]:
-3903        if self._match(TokenType.NULL):
-3904            return self.PRIMARY_PARSERS[TokenType.NULL](self, self._prev)
-3905        return None
-3906
-3907    def _parse_boolean(self) -> t.Optional[exp.Expression]:
-3908        if self._match(TokenType.TRUE):
-3909            return self.PRIMARY_PARSERS[TokenType.TRUE](self, self._prev)
-3910        if self._match(TokenType.FALSE):
-3911            return self.PRIMARY_PARSERS[TokenType.FALSE](self, self._prev)
-3912        return None
-3913
-3914    def _parse_star(self) -> t.Optional[exp.Expression]:
-3915        if self._match(TokenType.STAR):
-3916            return self.PRIMARY_PARSERS[TokenType.STAR](self, self._prev)
-3917        return None
-3918
-3919    def _parse_parameter(self) -> exp.Expression:
-3920        wrapped = self._match(TokenType.L_BRACE)
-3921        this = self._parse_var() or self._parse_primary()
-3922        self._match(TokenType.R_BRACE)
-3923        return self.expression(exp.Parameter, this=this, wrapped=wrapped)
-3924
-3925    def _parse_placeholder(self) -> t.Optional[exp.Expression]:
-3926        if self._match_set(self.PLACEHOLDER_PARSERS):
-3927            placeholder = self.PLACEHOLDER_PARSERS[self._prev.token_type](self)
-3928            if placeholder:
-3929                return placeholder
-3930            self._advance(-1)
-3931        return None
-3932
-3933    def _parse_except(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
-3934        if not self._match(TokenType.EXCEPT):
-3935            return None
-3936        if self._match(TokenType.L_PAREN, advance=False):
-3937            return self._parse_wrapped_csv(self._parse_column)
-3938        return self._parse_csv(self._parse_column)
+3902    def _parse_string_as_identifier(self) -> t.Optional[exp.Expression]:
+3903        return exp.to_identifier(self._match(TokenType.STRING) and self._prev.text, quoted=True)
+3904
+3905    def _parse_number(self) -> t.Optional[exp.Expression]:
+3906        if self._match(TokenType.NUMBER):
+3907            return self.PRIMARY_PARSERS[TokenType.NUMBER](self, self._prev)
+3908        return self._parse_placeholder()
+3909
+3910    def _parse_identifier(self) -> t.Optional[exp.Expression]:
+3911        if self._match(TokenType.IDENTIFIER):
+3912            return self.expression(exp.Identifier, this=self._prev.text, quoted=True)
+3913        return self._parse_placeholder()
+3914
+3915    def _parse_var(
+3916        self, any_token: bool = False, tokens: t.Optional[t.Collection[TokenType]] = None
+3917    ) -> t.Optional[exp.Expression]:
+3918        if (
+3919            (any_token and self._advance_any())
+3920            or self._match(TokenType.VAR)
+3921            or (self._match_set(tokens) if tokens else False)
+3922        ):
+3923            return self.expression(exp.Var, this=self._prev.text)
+3924        return self._parse_placeholder()
+3925
+3926    def _advance_any(self) -> t.Optional[Token]:
+3927        if self._curr and self._curr.token_type not in self.RESERVED_KEYWORDS:
+3928            self._advance()
+3929            return self._prev
+3930        return None
+3931
+3932    def _parse_var_or_string(self) -> t.Optional[exp.Expression]:
+3933        return self._parse_var() or self._parse_string()
+3934
+3935    def _parse_null(self) -> t.Optional[exp.Expression]:
+3936        if self._match(TokenType.NULL):
+3937            return self.PRIMARY_PARSERS[TokenType.NULL](self, self._prev)
+3938        return None
 3939
-3940    def _parse_replace(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
-3941        if not self._match(TokenType.REPLACE):
-3942            return None
-3943        if self._match(TokenType.L_PAREN, advance=False):
-3944            return self._parse_wrapped_csv(self._parse_expression)
-3945        return self._parse_csv(self._parse_expression)
+3940    def _parse_boolean(self) -> t.Optional[exp.Expression]:
+3941        if self._match(TokenType.TRUE):
+3942            return self.PRIMARY_PARSERS[TokenType.TRUE](self, self._prev)
+3943        if self._match(TokenType.FALSE):
+3944            return self.PRIMARY_PARSERS[TokenType.FALSE](self, self._prev)
+3945        return None
 3946
-3947    def _parse_csv(
-3948        self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA
-3949    ) -> t.List[t.Optional[exp.Expression]]:
-3950        parse_result = parse_method()
-3951        items = [parse_result] if parse_result is not None else []
-3952
-3953        while self._match(sep):
-3954            if parse_result and self._prev_comments:
-3955                parse_result.comments = self._prev_comments
-3956
-3957            parse_result = parse_method()
-3958            if parse_result is not None:
-3959                items.append(parse_result)
-3960
-3961        return items
-3962
-3963    def _parse_tokens(
-3964        self, parse_method: t.Callable, expressions: t.Dict
-3965    ) -> t.Optional[exp.Expression]:
-3966        this = parse_method()
-3967
-3968        while self._match_set(expressions):
-3969            this = self.expression(
-3970                expressions[self._prev.token_type],
-3971                this=this,
-3972                comments=self._prev_comments,
-3973                expression=parse_method(),
-3974            )
-3975
-3976        return this
-3977
-3978    def _parse_wrapped_id_vars(self) -> t.List[t.Optional[exp.Expression]]:
-3979        return self._parse_wrapped_csv(self._parse_id_var)
-3980
-3981    def _parse_wrapped_csv(
-3982        self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA
-3983    ) -> t.List[t.Optional[exp.Expression]]:
-3984        return self._parse_wrapped(lambda: self._parse_csv(parse_method, sep=sep))
+3947    def _parse_star(self) -> t.Optional[exp.Expression]:
+3948        if self._match(TokenType.STAR):
+3949            return self.PRIMARY_PARSERS[TokenType.STAR](self, self._prev)
+3950        return None
+3951
+3952    def _parse_parameter(self) -> exp.Expression:
+3953        wrapped = self._match(TokenType.L_BRACE)
+3954        this = self._parse_var() or self._parse_primary()
+3955        self._match(TokenType.R_BRACE)
+3956        return self.expression(exp.Parameter, this=this, wrapped=wrapped)
+3957
+3958    def _parse_placeholder(self) -> t.Optional[exp.Expression]:
+3959        if self._match_set(self.PLACEHOLDER_PARSERS):
+3960            placeholder = self.PLACEHOLDER_PARSERS[self._prev.token_type](self)
+3961            if placeholder:
+3962                return placeholder
+3963            self._advance(-1)
+3964        return None
+3965
+3966    def _parse_except(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
+3967        if not self._match(TokenType.EXCEPT):
+3968            return None
+3969        if self._match(TokenType.L_PAREN, advance=False):
+3970            return self._parse_wrapped_csv(self._parse_column)
+3971        return self._parse_csv(self._parse_column)
+3972
+3973    def _parse_replace(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
+3974        if not self._match(TokenType.REPLACE):
+3975            return None
+3976        if self._match(TokenType.L_PAREN, advance=False):
+3977            return self._parse_wrapped_csv(self._parse_expression)
+3978        return self._parse_csv(self._parse_expression)
+3979
+3980    def _parse_csv(
+3981        self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA
+3982    ) -> t.List[t.Optional[exp.Expression]]:
+3983        parse_result = parse_method()
+3984        items = [parse_result] if parse_result is not None else []
 3985
-3986    def _parse_wrapped(self, parse_method: t.Callable) -> t.Any:
-3987        self._match_l_paren()
-3988        parse_result = parse_method()
-3989        self._match_r_paren()
-3990        return parse_result
-3991
-3992    def _parse_select_or_expression(self) -> t.Optional[exp.Expression]:
-3993        return self._parse_select() or self._parse_set_operations(self._parse_expression())
-3994
-3995    def _parse_ddl_select(self) -> t.Optional[exp.Expression]:
-3996        return self._parse_set_operations(
-3997            self._parse_select(nested=True, parse_subquery_alias=False)
-3998        )
-3999
-4000    def _parse_transaction(self) -> exp.Expression:
-4001        this = None
-4002        if self._match_texts(self.TRANSACTION_KIND):
-4003            this = self._prev.text
-4004
-4005        self._match_texts({"TRANSACTION", "WORK"})
-4006
-4007        modes = []
-4008        while True:
-4009            mode = []
-4010            while self._match(TokenType.VAR):
-4011                mode.append(self._prev.text)
-4012
-4013            if mode:
-4014                modes.append(" ".join(mode))
-4015            if not self._match(TokenType.COMMA):
-4016                break
-4017
-4018        return self.expression(exp.Transaction, this=this, modes=modes)
-4019
-4020    def _parse_commit_or_rollback(self) -> exp.Expression:
-4021        chain = None
-4022        savepoint = None
-4023        is_rollback = self._prev.token_type == TokenType.ROLLBACK
+3986        while self._match(sep):
+3987            if parse_result and self._prev_comments:
+3988                parse_result.comments = self._prev_comments
+3989
+3990            parse_result = parse_method()
+3991            if parse_result is not None:
+3992                items.append(parse_result)
+3993
+3994        return items
+3995
+3996    def _parse_tokens(
+3997        self, parse_method: t.Callable, expressions: t.Dict
+3998    ) -> t.Optional[exp.Expression]:
+3999        this = parse_method()
+4000
+4001        while self._match_set(expressions):
+4002            this = self.expression(
+4003                expressions[self._prev.token_type],
+4004                this=this,
+4005                comments=self._prev_comments,
+4006                expression=parse_method(),
+4007            )
+4008
+4009        return this
+4010
+4011    def _parse_wrapped_id_vars(self) -> t.List[t.Optional[exp.Expression]]:
+4012        return self._parse_wrapped_csv(self._parse_id_var)
+4013
+4014    def _parse_wrapped_csv(
+4015        self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA
+4016    ) -> t.List[t.Optional[exp.Expression]]:
+4017        return self._parse_wrapped(lambda: self._parse_csv(parse_method, sep=sep))
+4018
+4019    def _parse_wrapped(self, parse_method: t.Callable) -> t.Any:
+4020        self._match_l_paren()
+4021        parse_result = parse_method()
+4022        self._match_r_paren()
+4023        return parse_result
 4024
-4025        self._match_texts({"TRANSACTION", "WORK"})
-4026
-4027        if self._match_text_seq("TO"):
-4028            self._match_text_seq("SAVEPOINT")
-4029            savepoint = self._parse_id_var()
-4030
-4031        if self._match(TokenType.AND):
-4032            chain = not self._match_text_seq("NO")
-4033            self._match_text_seq("CHAIN")
-4034
-4035        if is_rollback:
-4036            return self.expression(exp.Rollback, savepoint=savepoint)
-4037        return self.expression(exp.Commit, chain=chain)
-4038
-4039    def _parse_add_column(self) -> t.Optional[exp.Expression]:
-4040        if not self._match_text_seq("ADD"):
-4041            return None
-4042
-4043        self._match(TokenType.COLUMN)
-4044        exists_column = self._parse_exists(not_=True)
-4045        expression = self._parse_column_def(self._parse_field(any_token=True))
-4046
-4047        if expression:
-4048            expression.set("exists", exists_column)
-4049
-4050            # https://docs.databricks.com/delta/update-schema.html#explicitly-update-schema-to-add-columns
-4051            if self._match_texts(("FIRST", "AFTER")):
-4052                position = self._prev.text
-4053                column_position = self.expression(
-4054                    exp.ColumnPosition, this=self._parse_column(), position=position
-4055                )
-4056                expression.set("position", column_position)
+4025    def _parse_select_or_expression(self) -> t.Optional[exp.Expression]:
+4026        return self._parse_select() or self._parse_set_operations(self._parse_expression())
+4027
+4028    def _parse_ddl_select(self) -> t.Optional[exp.Expression]:
+4029        return self._parse_set_operations(
+4030            self._parse_select(nested=True, parse_subquery_alias=False)
+4031        )
+4032
+4033    def _parse_transaction(self) -> exp.Expression:
+4034        this = None
+4035        if self._match_texts(self.TRANSACTION_KIND):
+4036            this = self._prev.text
+4037
+4038        self._match_texts({"TRANSACTION", "WORK"})
+4039
+4040        modes = []
+4041        while True:
+4042            mode = []
+4043            while self._match(TokenType.VAR):
+4044                mode.append(self._prev.text)
+4045
+4046            if mode:
+4047                modes.append(" ".join(mode))
+4048            if not self._match(TokenType.COMMA):
+4049                break
+4050
+4051        return self.expression(exp.Transaction, this=this, modes=modes)
+4052
+4053    def _parse_commit_or_rollback(self) -> exp.Expression:
+4054        chain = None
+4055        savepoint = None
+4056        is_rollback = self._prev.token_type == TokenType.ROLLBACK
 4057
-4058        return expression
+4058        self._match_texts({"TRANSACTION", "WORK"})
 4059
-4060    def _parse_drop_column(self) -> t.Optional[exp.Expression]:
-4061        drop = self._match(TokenType.DROP) and self._parse_drop()
-4062        if drop and not isinstance(drop, exp.Command):
-4063            drop.set("kind", drop.args.get("kind", "COLUMN"))
-4064        return drop
-4065
-4066    # https://docs.aws.amazon.com/athena/latest/ug/alter-table-drop-partition.html
-4067    def _parse_drop_partition(self, exists: t.Optional[bool] = None) -> exp.Expression:
-4068        return self.expression(
-4069            exp.DropPartition, expressions=self._parse_csv(self._parse_partition), exists=exists
-4070        )
+4060        if self._match_text_seq("TO"):
+4061            self._match_text_seq("SAVEPOINT")
+4062            savepoint = self._parse_id_var()
+4063
+4064        if self._match(TokenType.AND):
+4065            chain = not self._match_text_seq("NO")
+4066            self._match_text_seq("CHAIN")
+4067
+4068        if is_rollback:
+4069            return self.expression(exp.Rollback, savepoint=savepoint)
+4070        return self.expression(exp.Commit, chain=chain)
 4071
-4072    def _parse_add_constraint(self) -> t.Optional[exp.Expression]:
-4073        this = None
-4074        kind = self._prev.token_type
+4072    def _parse_add_column(self) -> t.Optional[exp.Expression]:
+4073        if not self._match_text_seq("ADD"):
+4074            return None
 4075
-4076        if kind == TokenType.CONSTRAINT:
-4077            this = self._parse_id_var()
-4078
-4079            if self._match_text_seq("CHECK"):
-4080                expression = self._parse_wrapped(self._parse_conjunction)
-4081                enforced = self._match_text_seq("ENFORCED")
+4076        self._match(TokenType.COLUMN)
+4077        exists_column = self._parse_exists(not_=True)
+4078        expression = self._parse_column_def(self._parse_field(any_token=True))
+4079
+4080        if expression:
+4081            expression.set("exists", exists_column)
 4082
-4083                return self.expression(
-4084                    exp.AddConstraint, this=this, expression=expression, enforced=enforced
-4085                )
-4086
-4087        if kind == TokenType.FOREIGN_KEY or self._match(TokenType.FOREIGN_KEY):
-4088            expression = self._parse_foreign_key()
-4089        elif kind == TokenType.PRIMARY_KEY or self._match(TokenType.PRIMARY_KEY):
-4090            expression = self._parse_primary_key()
-4091        else:
-4092            expression = None
-4093
-4094        return self.expression(exp.AddConstraint, this=this, expression=expression)
-4095
-4096    def _parse_alter_table_add(self) -> t.List[t.Optional[exp.Expression]]:
-4097        index = self._index - 1
+4083            # https://docs.databricks.com/delta/update-schema.html#explicitly-update-schema-to-add-columns
+4084            if self._match_texts(("FIRST", "AFTER")):
+4085                position = self._prev.text
+4086                column_position = self.expression(
+4087                    exp.ColumnPosition, this=self._parse_column(), position=position
+4088                )
+4089                expression.set("position", column_position)
+4090
+4091        return expression
+4092
+4093    def _parse_drop_column(self) -> t.Optional[exp.Expression]:
+4094        drop = self._match(TokenType.DROP) and self._parse_drop()
+4095        if drop and not isinstance(drop, exp.Command):
+4096            drop.set("kind", drop.args.get("kind", "COLUMN"))
+4097        return drop
 4098
-4099        if self._match_set(self.ADD_CONSTRAINT_TOKENS):
-4100            return self._parse_csv(self._parse_add_constraint)
-4101
-4102        self._retreat(index)
-4103        return self._parse_csv(self._parse_add_column)
+4099    # https://docs.aws.amazon.com/athena/latest/ug/alter-table-drop-partition.html
+4100    def _parse_drop_partition(self, exists: t.Optional[bool] = None) -> exp.Expression:
+4101        return self.expression(
+4102            exp.DropPartition, expressions=self._parse_csv(self._parse_partition), exists=exists
+4103        )
 4104
-4105    def _parse_alter_table_alter(self) -> exp.Expression:
-4106        self._match(TokenType.COLUMN)
-4107        column = self._parse_field(any_token=True)
+4105    def _parse_add_constraint(self) -> t.Optional[exp.Expression]:
+4106        this = None
+4107        kind = self._prev.token_type
 4108
-4109        if self._match_pair(TokenType.DROP, TokenType.DEFAULT):
-4110            return self.expression(exp.AlterColumn, this=column, drop=True)
-4111        if self._match_pair(TokenType.SET, TokenType.DEFAULT):
-4112            return self.expression(exp.AlterColumn, this=column, default=self._parse_conjunction())
-4113
-4114        self._match_text_seq("SET", "DATA")
-4115        return self.expression(
-4116            exp.AlterColumn,
-4117            this=column,
-4118            dtype=self._match_text_seq("TYPE") and self._parse_types(),
-4119            collate=self._match(TokenType.COLLATE) and self._parse_term(),
-4120            using=self._match(TokenType.USING) and self._parse_conjunction(),
-4121        )
-4122
-4123    def _parse_alter_table_drop(self) -> t.List[t.Optional[exp.Expression]]:
-4124        index = self._index - 1
-4125
-4126        partition_exists = self._parse_exists()
-4127        if self._match(TokenType.PARTITION, advance=False):
-4128            return self._parse_csv(lambda: self._parse_drop_partition(exists=partition_exists))
-4129
-4130        self._retreat(index)
-4131        return self._parse_csv(self._parse_drop_column)
-4132
-4133    def _parse_alter_table_rename(self) -> exp.Expression:
-4134        self._match_text_seq("TO")
-4135        return self.expression(exp.RenameTable, this=self._parse_table(schema=True))
-4136
-4137    def _parse_alter(self) -> t.Optional[exp.Expression]:
-4138        start = self._prev
-4139
-4140        if not self._match(TokenType.TABLE):
-4141            return self._parse_as_command(start)
-4142
-4143        exists = self._parse_exists()
-4144        this = self._parse_table(schema=True)
-4145
-4146        if self._next:
-4147            self._advance()
-4148        parser = self.ALTER_PARSERS.get(self._prev.text.upper()) if self._prev else None
-4149
-4150        if parser:
-4151            actions = ensure_list(parser(self))
-4152
-4153            if not self._curr:
-4154                return self.expression(
-4155                    exp.AlterTable,
-4156                    this=this,
-4157                    exists=exists,
-4158                    actions=actions,
-4159                )
-4160        return self._parse_as_command(start)
-4161
-4162    def _parse_merge(self) -> exp.Expression:
-4163        self._match(TokenType.INTO)
-4164        target = self._parse_table()
+4109        if kind == TokenType.CONSTRAINT:
+4110            this = self._parse_id_var()
+4111
+4112            if self._match_text_seq("CHECK"):
+4113                expression = self._parse_wrapped(self._parse_conjunction)
+4114                enforced = self._match_text_seq("ENFORCED")
+4115
+4116                return self.expression(
+4117                    exp.AddConstraint, this=this, expression=expression, enforced=enforced
+4118                )
+4119
+4120        if kind == TokenType.FOREIGN_KEY or self._match(TokenType.FOREIGN_KEY):
+4121            expression = self._parse_foreign_key()
+4122        elif kind == TokenType.PRIMARY_KEY or self._match(TokenType.PRIMARY_KEY):
+4123            expression = self._parse_primary_key()
+4124        else:
+4125            expression = None
+4126
+4127        return self.expression(exp.AddConstraint, this=this, expression=expression)
+4128
+4129    def _parse_alter_table_add(self) -> t.List[t.Optional[exp.Expression]]:
+4130        index = self._index - 1
+4131
+4132        if self._match_set(self.ADD_CONSTRAINT_TOKENS):
+4133            return self._parse_csv(self._parse_add_constraint)
+4134
+4135        self._retreat(index)
+4136        return self._parse_csv(self._parse_add_column)
+4137
+4138    def _parse_alter_table_alter(self) -> exp.Expression:
+4139        self._match(TokenType.COLUMN)
+4140        column = self._parse_field(any_token=True)
+4141
+4142        if self._match_pair(TokenType.DROP, TokenType.DEFAULT):
+4143            return self.expression(exp.AlterColumn, this=column, drop=True)
+4144        if self._match_pair(TokenType.SET, TokenType.DEFAULT):
+4145            return self.expression(exp.AlterColumn, this=column, default=self._parse_conjunction())
+4146
+4147        self._match_text_seq("SET", "DATA")
+4148        return self.expression(
+4149            exp.AlterColumn,
+4150            this=column,
+4151            dtype=self._match_text_seq("TYPE") and self._parse_types(),
+4152            collate=self._match(TokenType.COLLATE) and self._parse_term(),
+4153            using=self._match(TokenType.USING) and self._parse_conjunction(),
+4154        )
+4155
+4156    def _parse_alter_table_drop(self) -> t.List[t.Optional[exp.Expression]]:
+4157        index = self._index - 1
+4158
+4159        partition_exists = self._parse_exists()
+4160        if self._match(TokenType.PARTITION, advance=False):
+4161            return self._parse_csv(lambda: self._parse_drop_partition(exists=partition_exists))
+4162
+4163        self._retreat(index)
+4164        return self._parse_csv(self._parse_drop_column)
 4165
-4166        self._match(TokenType.USING)
-4167        using = self._parse_table()
-4168
-4169        self._match(TokenType.ON)
-4170        on = self._parse_conjunction()
-4171
-4172        whens = []
-4173        while self._match(TokenType.WHEN):
-4174            matched = not self._match(TokenType.NOT)
-4175            self._match_text_seq("MATCHED")
-4176            source = (
-4177                False
-4178                if self._match_text_seq("BY", "TARGET")
-4179                else self._match_text_seq("BY", "SOURCE")
-4180            )
-4181            condition = self._parse_conjunction() if self._match(TokenType.AND) else None
+4166    def _parse_alter_table_rename(self) -> exp.Expression:
+4167        self._match_text_seq("TO")
+4168        return self.expression(exp.RenameTable, this=self._parse_table(schema=True))
+4169
+4170    def _parse_alter(self) -> t.Optional[exp.Expression]:
+4171        start = self._prev
+4172
+4173        if not self._match(TokenType.TABLE):
+4174            return self._parse_as_command(start)
+4175
+4176        exists = self._parse_exists()
+4177        this = self._parse_table(schema=True)
+4178
+4179        if self._next:
+4180            self._advance()
+4181        parser = self.ALTER_PARSERS.get(self._prev.text.upper()) if self._prev else None
 4182
-4183            self._match(TokenType.THEN)
-4184
-4185            if self._match(TokenType.INSERT):
-4186                _this = self._parse_star()
-4187                if _this:
-4188                    then: t.Optional[exp.Expression] = self.expression(exp.Insert, this=_this)
-4189                else:
-4190                    then = self.expression(
-4191                        exp.Insert,
-4192                        this=self._parse_value(),
-4193                        expression=self._match(TokenType.VALUES) and self._parse_value(),
-4194                    )
-4195            elif self._match(TokenType.UPDATE):
-4196                expressions = self._parse_star()
-4197                if expressions:
-4198                    then = self.expression(exp.Update, expressions=expressions)
-4199                else:
-4200                    then = self.expression(
-4201                        exp.Update,
-4202                        expressions=self._match(TokenType.SET)
-4203                        and self._parse_csv(self._parse_equality),
-4204                    )
-4205            elif self._match(TokenType.DELETE):
-4206                then = self.expression(exp.Var, this=self._prev.text)
-4207            else:
-4208                then = None
-4209
-4210            whens.append(
-4211                self.expression(
-4212                    exp.When,
-4213                    matched=matched,
-4214                    source=source,
-4215                    condition=condition,
-4216                    then=then,
-4217                )
-4218            )
-4219
-4220        return self.expression(
-4221            exp.Merge,
-4222            this=target,
-4223            using=using,
-4224            on=on,
-4225            expressions=whens,
-4226        )
-4227
-4228    def _parse_show(self) -> t.Optional[exp.Expression]:
-4229        parser = self._find_parser(self.SHOW_PARSERS, self._show_trie)  # type: ignore
-4230        if parser:
-4231            return parser(self)
-4232        self._advance()
-4233        return self.expression(exp.Show, this=self._prev.text.upper())
-4234
-4235    def _parse_set_item_assignment(
-4236        self, kind: t.Optional[str] = None
-4237    ) -> t.Optional[exp.Expression]:
-4238        index = self._index
-4239
-4240        if kind in {"GLOBAL", "SESSION"} and self._match_text_seq("TRANSACTION"):
-4241            return self._parse_set_transaction(global_=kind == "GLOBAL")
+4183        if parser:
+4184            actions = ensure_list(parser(self))
+4185
+4186            if not self._curr:
+4187                return self.expression(
+4188                    exp.AlterTable,
+4189                    this=this,
+4190                    exists=exists,
+4191                    actions=actions,
+4192                )
+4193        return self._parse_as_command(start)
+4194
+4195    def _parse_merge(self) -> exp.Expression:
+4196        self._match(TokenType.INTO)
+4197        target = self._parse_table()
+4198
+4199        self._match(TokenType.USING)
+4200        using = self._parse_table()
+4201
+4202        self._match(TokenType.ON)
+4203        on = self._parse_conjunction()
+4204
+4205        whens = []
+4206        while self._match(TokenType.WHEN):
+4207            matched = not self._match(TokenType.NOT)
+4208            self._match_text_seq("MATCHED")
+4209            source = (
+4210                False
+4211                if self._match_text_seq("BY", "TARGET")
+4212                else self._match_text_seq("BY", "SOURCE")
+4213            )
+4214            condition = self._parse_conjunction() if self._match(TokenType.AND) else None
+4215
+4216            self._match(TokenType.THEN)
+4217
+4218            if self._match(TokenType.INSERT):
+4219                _this = self._parse_star()
+4220                if _this:
+4221                    then: t.Optional[exp.Expression] = self.expression(exp.Insert, this=_this)
+4222                else:
+4223                    then = self.expression(
+4224                        exp.Insert,
+4225                        this=self._parse_value(),
+4226                        expression=self._match(TokenType.VALUES) and self._parse_value(),
+4227                    )
+4228            elif self._match(TokenType.UPDATE):
+4229                expressions = self._parse_star()
+4230                if expressions:
+4231                    then = self.expression(exp.Update, expressions=expressions)
+4232                else:
+4233                    then = self.expression(
+4234                        exp.Update,
+4235                        expressions=self._match(TokenType.SET)
+4236                        and self._parse_csv(self._parse_equality),
+4237                    )
+4238            elif self._match(TokenType.DELETE):
+4239                then = self.expression(exp.Var, this=self._prev.text)
+4240            else:
+4241                then = None
 4242
-4243        left = self._parse_primary() or self._parse_id_var()
-4244
-4245        if not self._match_texts(("=", "TO")):
-4246            self._retreat(index)
-4247            return None
-4248
-4249        right = self._parse_statement() or self._parse_id_var()
-4250        this = self.expression(
-4251            exp.EQ,
-4252            this=left,
-4253            expression=right,
-4254        )
-4255
-4256        return self.expression(
-4257            exp.SetItem,
-4258            this=this,
-4259            kind=kind,
-4260        )
-4261
-4262    def _parse_set_transaction(self, global_: bool = False) -> exp.Expression:
-4263        self._match_text_seq("TRANSACTION")
-4264        characteristics = self._parse_csv(
-4265            lambda: self._parse_var_from_options(self.TRANSACTION_CHARACTERISTICS)
-4266        )
-4267        return self.expression(
-4268            exp.SetItem,
-4269            expressions=characteristics,
-4270            kind="TRANSACTION",
-4271            **{"global": global_},  # type: ignore
-4272        )
-4273
-4274    def _parse_set_item(self) -> t.Optional[exp.Expression]:
-4275        parser = self._find_parser(self.SET_PARSERS, self._set_trie)  # type: ignore
-4276        return parser(self) if parser else self._parse_set_item_assignment(kind=None)
+4243            whens.append(
+4244                self.expression(
+4245                    exp.When,
+4246                    matched=matched,
+4247                    source=source,
+4248                    condition=condition,
+4249                    then=then,
+4250                )
+4251            )
+4252
+4253        return self.expression(
+4254            exp.Merge,
+4255            this=target,
+4256            using=using,
+4257            on=on,
+4258            expressions=whens,
+4259        )
+4260
+4261    def _parse_show(self) -> t.Optional[exp.Expression]:
+4262        parser = self._find_parser(self.SHOW_PARSERS, self._show_trie)  # type: ignore
+4263        if parser:
+4264            return parser(self)
+4265        self._advance()
+4266        return self.expression(exp.Show, this=self._prev.text.upper())
+4267
+4268    def _parse_set_item_assignment(
+4269        self, kind: t.Optional[str] = None
+4270    ) -> t.Optional[exp.Expression]:
+4271        index = self._index
+4272
+4273        if kind in {"GLOBAL", "SESSION"} and self._match_text_seq("TRANSACTION"):
+4274            return self._parse_set_transaction(global_=kind == "GLOBAL")
+4275
+4276        left = self._parse_primary() or self._parse_id_var()
 4277
-4278    def _parse_set(self) -> exp.Expression:
-4279        index = self._index
-4280        set_ = self.expression(exp.Set, expressions=self._parse_csv(self._parse_set_item))
+4278        if not self._match_texts(("=", "TO")):
+4279            self._retreat(index)
+4280            return None
 4281
-4282        if self._curr:
-4283            self._retreat(index)
-4284            return self._parse_as_command(self._prev)
-4285
-4286        return set_
-4287
-4288    def _parse_var_from_options(self, options: t.Collection[str]) -> t.Optional[exp.Expression]:
-4289        for option in options:
-4290            if self._match_text_seq(*option.split(" ")):
-4291                return exp.Var(this=option)
-4292        return None
-4293
-4294    def _parse_as_command(self, start: Token) -> exp.Command:
-4295        while self._curr:
-4296            self._advance()
-4297        text = self._find_sql(start, self._prev)
-4298        size = len(start.text)
-4299        return exp.Command(this=text[:size], expression=text[size:])
-4300
-4301    def _find_parser(
-4302        self, parsers: t.Dict[str, t.Callable], trie: t.Dict
-4303    ) -> t.Optional[t.Callable]:
-4304        if not self._curr:
-4305            return None
+4282        right = self._parse_statement() or self._parse_id_var()
+4283        this = self.expression(
+4284            exp.EQ,
+4285            this=left,
+4286            expression=right,
+4287        )
+4288
+4289        return self.expression(
+4290            exp.SetItem,
+4291            this=this,
+4292            kind=kind,
+4293        )
+4294
+4295    def _parse_set_transaction(self, global_: bool = False) -> exp.Expression:
+4296        self._match_text_seq("TRANSACTION")
+4297        characteristics = self._parse_csv(
+4298            lambda: self._parse_var_from_options(self.TRANSACTION_CHARACTERISTICS)
+4299        )
+4300        return self.expression(
+4301            exp.SetItem,
+4302            expressions=characteristics,
+4303            kind="TRANSACTION",
+4304            **{"global": global_},  # type: ignore
+4305        )
 4306
-4307        index = self._index
-4308        this = []
-4309        while True:
-4310            # The current token might be multiple words
-4311            curr = self._curr.text.upper()
-4312            key = curr.split(" ")
-4313            this.append(curr)
-4314            self._advance()
-4315            result, trie = in_trie(trie, key)
-4316            if result == 0:
-4317                break
-4318            if result == 2:
-4319                subparser = parsers[" ".join(this)]
-4320                return subparser
-4321        self._retreat(index)
-4322        return None
-4323
-4324    def _match(self, token_type, advance=True):
-4325        if not self._curr:
-4326            return None
-4327
-4328        if self._curr.token_type == token_type:
-4329            if advance:
-4330                self._advance()
-4331            return True
-4332
-4333        return None
-4334
-4335    def _match_set(self, types, advance=True):
-4336        if not self._curr:
-4337            return None
-4338
-4339        if self._curr.token_type in types:
-4340            if advance:
-4341                self._advance()
-4342            return True
-4343
-4344        return None
-4345
-4346    def _match_pair(self, token_type_a, token_type_b, advance=True):
-4347        if not self._curr or not self._next:
-4348            return None
-4349
-4350        if self._curr.token_type == token_type_a and self._next.token_type == token_type_b:
-4351            if advance:
-4352                self._advance(2)
-4353            return True
-4354
+4307    def _parse_set_item(self) -> t.Optional[exp.Expression]:
+4308        parser = self._find_parser(self.SET_PARSERS, self._set_trie)  # type: ignore
+4309        return parser(self) if parser else self._parse_set_item_assignment(kind=None)
+4310
+4311    def _parse_set(self) -> exp.Expression:
+4312        index = self._index
+4313        set_ = self.expression(exp.Set, expressions=self._parse_csv(self._parse_set_item))
+4314
+4315        if self._curr:
+4316            self._retreat(index)
+4317            return self._parse_as_command(self._prev)
+4318
+4319        return set_
+4320
+4321    def _parse_var_from_options(self, options: t.Collection[str]) -> t.Optional[exp.Expression]:
+4322        for option in options:
+4323            if self._match_text_seq(*option.split(" ")):
+4324                return exp.Var(this=option)
+4325        return None
+4326
+4327    def _parse_as_command(self, start: Token) -> exp.Command:
+4328        while self._curr:
+4329            self._advance()
+4330        text = self._find_sql(start, self._prev)
+4331        size = len(start.text)
+4332        return exp.Command(this=text[:size], expression=text[size:])
+4333
+4334    def _find_parser(
+4335        self, parsers: t.Dict[str, t.Callable], trie: t.Dict
+4336    ) -> t.Optional[t.Callable]:
+4337        if not self._curr:
+4338            return None
+4339
+4340        index = self._index
+4341        this = []
+4342        while True:
+4343            # The current token might be multiple words
+4344            curr = self._curr.text.upper()
+4345            key = curr.split(" ")
+4346            this.append(curr)
+4347            self._advance()
+4348            result, trie = in_trie(trie, key)
+4349            if result == 0:
+4350                break
+4351            if result == 2:
+4352                subparser = parsers[" ".join(this)]
+4353                return subparser
+4354        self._retreat(index)
 4355        return None
 4356
-4357    def _match_l_paren(self, expression=None):
-4358        if not self._match(TokenType.L_PAREN):
-4359            self.raise_error("Expecting (")
-4360        if expression and self._prev_comments:
-4361            expression.comments = self._prev_comments
-4362
-4363    def _match_r_paren(self, expression=None):
-4364        if not self._match(TokenType.R_PAREN):
-4365            self.raise_error("Expecting )")
-4366        if expression and self._prev_comments:
-4367            expression.comments = self._prev_comments
-4368
-4369    def _match_texts(self, texts, advance=True):
-4370        if self._curr and self._curr.text.upper() in texts:
-4371            if advance:
-4372                self._advance()
-4373            return True
-4374        return False
-4375
-4376    def _match_text_seq(self, *texts, advance=True):
-4377        index = self._index
-4378        for text in texts:
-4379            if self._curr and self._curr.text.upper() == text:
-4380                self._advance()
-4381            else:
-4382                self._retreat(index)
-4383                return False
-4384
-4385        if not advance:
-4386            self._retreat(index)
+4357    def _match(self, token_type, advance=True):
+4358        if not self._curr:
+4359            return None
+4360
+4361        if self._curr.token_type == token_type:
+4362            if advance:
+4363                self._advance()
+4364            return True
+4365
+4366        return None
+4367
+4368    def _match_set(self, types, advance=True):
+4369        if not self._curr:
+4370            return None
+4371
+4372        if self._curr.token_type in types:
+4373            if advance:
+4374                self._advance()
+4375            return True
+4376
+4377        return None
+4378
+4379    def _match_pair(self, token_type_a, token_type_b, advance=True):
+4380        if not self._curr or not self._next:
+4381            return None
+4382
+4383        if self._curr.token_type == token_type_a and self._next.token_type == token_type_b:
+4384            if advance:
+4385                self._advance(2)
+4386            return True
 4387
-4388        return True
+4388        return None
 4389
-4390    def _replace_columns_with_dots(self, this):
-4391        if isinstance(this, exp.Dot):
-4392            exp.replace_children(this, self._replace_columns_with_dots)
-4393        elif isinstance(this, exp.Column):
-4394            exp.replace_children(this, self._replace_columns_with_dots)
-4395            table = this.args.get("table")
-4396            this = (
-4397                self.expression(exp.Dot, this=table, expression=this.this)
-4398                if table
-4399                else self.expression(exp.Var, this=this.name)
-4400            )
-4401        elif isinstance(this, exp.Identifier):
-4402            this = self.expression(exp.Var, this=this.name)
-4403        return this
-4404
-4405    def _replace_lambda(self, node, lambda_variables):
-4406        for column in node.find_all(exp.Column):
-4407            if column.parts[0].name in lambda_variables:
-4408                dot_or_id = column.to_dot() if column.table else column.this
-4409                parent = column.parent
-4410
-4411                while isinstance(parent, exp.Dot):
-4412                    if not isinstance(parent.parent, exp.Dot):
-4413                        parent.replace(dot_or_id)
-4414                        break
-4415                    parent = parent.parent
-4416                else:
-4417                    if column is node:
-4418                        node = dot_or_id
-4419                    else:
-4420                        column.replace(dot_or_id)
-4421        return node
+4390    def _match_l_paren(self, expression=None):
+4391        if not self._match(TokenType.L_PAREN):
+4392            self.raise_error("Expecting (")
+4393        if expression and self._prev_comments:
+4394            expression.comments = self._prev_comments
+4395
+4396    def _match_r_paren(self, expression=None):
+4397        if not self._match(TokenType.R_PAREN):
+4398            self.raise_error("Expecting )")
+4399        if expression and self._prev_comments:
+4400            expression.comments = self._prev_comments
+4401
+4402    def _match_texts(self, texts, advance=True):
+4403        if self._curr and self._curr.text.upper() in texts:
+4404            if advance:
+4405                self._advance()
+4406            return True
+4407        return False
+4408
+4409    def _match_text_seq(self, *texts, advance=True):
+4410        index = self._index
+4411        for text in texts:
+4412            if self._curr and self._curr.text.upper() == text:
+4413                self._advance()
+4414            else:
+4415                self._retreat(index)
+4416                return False
+4417
+4418        if not advance:
+4419            self._retreat(index)
+4420
+4421        return True
+4422
+4423    def _replace_columns_with_dots(self, this):
+4424        if isinstance(this, exp.Dot):
+4425            exp.replace_children(this, self._replace_columns_with_dots)
+4426        elif isinstance(this, exp.Column):
+4427            exp.replace_children(this, self._replace_columns_with_dots)
+4428            table = this.args.get("table")
+4429            this = (
+4430                self.expression(exp.Dot, this=table, expression=this.this)
+4431                if table
+4432                else self.expression(exp.Var, this=this.name)
+4433            )
+4434        elif isinstance(this, exp.Identifier):
+4435            this = self.expression(exp.Var, this=this.name)
+4436        return this
+4437
+4438    def _replace_lambda(self, node, lambda_variables):
+4439        for column in node.find_all(exp.Column):
+4440            if column.parts[0].name in lambda_variables:
+4441                dot_or_id = column.to_dot() if column.table else column.this
+4442                parent = column.parent
+4443
+4444                while isinstance(parent, exp.Dot):
+4445                    if not isinstance(parent.parent, exp.Dot):
+4446                        parent.replace(dot_or_id)
+4447                        break
+4448                    parent = parent.parent
+4449                else:
+4450                    if column is node:
+4451                        node = dot_or_id
+4452                    else:
+4453                        column.replace(dot_or_id)
+4454        return node
    @@ -4775,4193 +4808,4226 @@ 233 TokenType.IS, 234 TokenType.ISNULL, 235 TokenType.INTERVAL, - 236 TokenType.LAZY, - 237 TokenType.LEADING, - 238 TokenType.LEFT, - 239 TokenType.LOCAL, - 240 TokenType.MATERIALIZED, - 241 TokenType.MERGE, - 242 TokenType.NATURAL, - 243 TokenType.NEXT, - 244 TokenType.OFFSET, - 245 TokenType.ONLY, - 246 TokenType.OPTIONS, - 247 TokenType.ORDINALITY, - 248 TokenType.OVERWRITE, - 249 TokenType.PARTITION, - 250 TokenType.PERCENT, - 251 TokenType.PIVOT, - 252 TokenType.PRAGMA, - 253 TokenType.PRECEDING, - 254 TokenType.RANGE, - 255 TokenType.REFERENCES, - 256 TokenType.RIGHT, - 257 TokenType.ROW, - 258 TokenType.ROWS, - 259 TokenType.SEED, - 260 TokenType.SEMI, - 261 TokenType.SET, - 262 TokenType.SHOW, - 263 TokenType.SORTKEY, - 264 TokenType.TEMPORARY, - 265 TokenType.TOP, - 266 TokenType.TRAILING, - 267 TokenType.TRUE, - 268 TokenType.UNBOUNDED, - 269 TokenType.UNIQUE, - 270 TokenType.UNLOGGED, - 271 TokenType.UNPIVOT, - 272 TokenType.VOLATILE, - 273 TokenType.WINDOW, - 274 *CREATABLES, - 275 *SUBQUERY_PREDICATES, - 276 *TYPE_TOKENS, - 277 *NO_PAREN_FUNCTIONS, - 278 } - 279 - 280 INTERVAL_VARS = ID_VAR_TOKENS - {TokenType.END} - 281 - 282 TABLE_ALIAS_TOKENS = ID_VAR_TOKENS - { - 283 TokenType.APPLY, - 284 TokenType.FULL, - 285 TokenType.LEFT, - 286 TokenType.NATURAL, - 287 TokenType.OFFSET, - 288 TokenType.RIGHT, - 289 TokenType.WINDOW, - 290 } - 291 - 292 COMMENT_TABLE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.IS} - 293 - 294 UPDATE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.SET} - 295 - 296 TRIM_TYPES = {TokenType.LEADING, TokenType.TRAILING, TokenType.BOTH} - 297 - 298 FUNC_TOKENS = { - 299 TokenType.COMMAND, - 300 TokenType.CURRENT_DATE, - 301 TokenType.CURRENT_DATETIME, - 302 TokenType.CURRENT_TIMESTAMP, - 303 TokenType.CURRENT_TIME, - 304 TokenType.CURRENT_USER, - 305 TokenType.FILTER, - 306 TokenType.FIRST, - 307 TokenType.FORMAT, - 308 TokenType.GLOB, - 309 TokenType.IDENTIFIER, - 310 TokenType.INDEX, - 311 TokenType.ISNULL, - 312 TokenType.ILIKE, - 313 TokenType.LIKE, - 314 TokenType.MERGE, - 315 TokenType.OFFSET, - 316 TokenType.PRIMARY_KEY, - 317 TokenType.REPLACE, - 318 TokenType.ROW, - 319 TokenType.UNNEST, - 320 TokenType.VAR, - 321 TokenType.LEFT, - 322 TokenType.RIGHT, - 323 TokenType.DATE, - 324 TokenType.DATETIME, - 325 TokenType.TABLE, - 326 TokenType.TIMESTAMP, - 327 TokenType.TIMESTAMPTZ, - 328 TokenType.WINDOW, - 329 *TYPE_TOKENS, - 330 *SUBQUERY_PREDICATES, - 331 } - 332 - 333 CONJUNCTION = { - 334 TokenType.AND: exp.And, - 335 TokenType.OR: exp.Or, - 336 } - 337 - 338 EQUALITY = { - 339 TokenType.EQ: exp.EQ, - 340 TokenType.NEQ: exp.NEQ, - 341 TokenType.NULLSAFE_EQ: exp.NullSafeEQ, - 342 } - 343 - 344 COMPARISON = { - 345 TokenType.GT: exp.GT, - 346 TokenType.GTE: exp.GTE, - 347 TokenType.LT: exp.LT, - 348 TokenType.LTE: exp.LTE, - 349 } - 350 - 351 BITWISE = { - 352 TokenType.AMP: exp.BitwiseAnd, - 353 TokenType.CARET: exp.BitwiseXor, - 354 TokenType.PIPE: exp.BitwiseOr, - 355 TokenType.DPIPE: exp.DPipe, - 356 } - 357 - 358 TERM = { - 359 TokenType.DASH: exp.Sub, - 360 TokenType.PLUS: exp.Add, - 361 TokenType.MOD: exp.Mod, - 362 TokenType.COLLATE: exp.Collate, - 363 } - 364 - 365 FACTOR = { - 366 TokenType.DIV: exp.IntDiv, - 367 TokenType.LR_ARROW: exp.Distance, - 368 TokenType.SLASH: exp.Div, - 369 TokenType.STAR: exp.Mul, - 370 } - 371 - 372 TIMESTAMPS = { - 373 TokenType.TIME, - 374 TokenType.TIMESTAMP, - 375 TokenType.TIMESTAMPTZ, - 376 TokenType.TIMESTAMPLTZ, - 377 } - 378 - 379 SET_OPERATIONS = { - 380 TokenType.UNION, - 381 TokenType.INTERSECT, - 382 TokenType.EXCEPT, - 383 } - 384 - 385 JOIN_SIDES = { - 386 TokenType.LEFT, - 387 TokenType.RIGHT, - 388 TokenType.FULL, - 389 } - 390 - 391 JOIN_KINDS = { - 392 TokenType.INNER, - 393 TokenType.OUTER, - 394 TokenType.CROSS, - 395 TokenType.SEMI, - 396 TokenType.ANTI, - 397 } - 398 - 399 LAMBDAS = { - 400 TokenType.ARROW: lambda self, expressions: self.expression( - 401 exp.Lambda, - 402 this=self._replace_lambda( - 403 self._parse_conjunction(), - 404 {node.name for node in expressions}, - 405 ), - 406 expressions=expressions, - 407 ), - 408 TokenType.FARROW: lambda self, expressions: self.expression( - 409 exp.Kwarg, - 410 this=exp.Var(this=expressions[0].name), - 411 expression=self._parse_conjunction(), - 412 ), - 413 } - 414 - 415 COLUMN_OPERATORS = { - 416 TokenType.DOT: None, - 417 TokenType.DCOLON: lambda self, this, to: self.expression( - 418 exp.Cast if self.STRICT_CAST else exp.TryCast, - 419 this=this, - 420 to=to, - 421 ), - 422 TokenType.ARROW: lambda self, this, path: self.expression( - 423 exp.JSONExtract, - 424 this=this, - 425 expression=path, - 426 ), - 427 TokenType.DARROW: lambda self, this, path: self.expression( - 428 exp.JSONExtractScalar, - 429 this=this, - 430 expression=path, - 431 ), - 432 TokenType.HASH_ARROW: lambda self, this, path: self.expression( - 433 exp.JSONBExtract, - 434 this=this, - 435 expression=path, - 436 ), - 437 TokenType.DHASH_ARROW: lambda self, this, path: self.expression( - 438 exp.JSONBExtractScalar, - 439 this=this, - 440 expression=path, - 441 ), - 442 TokenType.PLACEHOLDER: lambda self, this, key: self.expression( - 443 exp.JSONBContains, - 444 this=this, - 445 expression=key, - 446 ), - 447 } - 448 - 449 EXPRESSION_PARSERS = { - 450 exp.Column: lambda self: self._parse_column(), - 451 exp.DataType: lambda self: self._parse_types(), - 452 exp.From: lambda self: self._parse_from(), - 453 exp.Group: lambda self: self._parse_group(), - 454 exp.Identifier: lambda self: self._parse_id_var(), - 455 exp.Lateral: lambda self: self._parse_lateral(), - 456 exp.Join: lambda self: self._parse_join(), - 457 exp.Order: lambda self: self._parse_order(), - 458 exp.Cluster: lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster), - 459 exp.Sort: lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort), - 460 exp.Lambda: lambda self: self._parse_lambda(), - 461 exp.Limit: lambda self: self._parse_limit(), - 462 exp.Offset: lambda self: self._parse_offset(), - 463 exp.TableAlias: lambda self: self._parse_table_alias(), - 464 exp.Table: lambda self: self._parse_table(), - 465 exp.Condition: lambda self: self._parse_conjunction(), - 466 exp.Expression: lambda self: self._parse_statement(), - 467 exp.Properties: lambda self: self._parse_properties(), - 468 exp.Where: lambda self: self._parse_where(), - 469 exp.Ordered: lambda self: self._parse_ordered(), - 470 exp.Having: lambda self: self._parse_having(), - 471 exp.With: lambda self: self._parse_with(), - 472 exp.Window: lambda self: self._parse_named_window(), - 473 exp.Qualify: lambda self: self._parse_qualify(), - 474 exp.Returning: lambda self: self._parse_returning(), - 475 "JOIN_TYPE": lambda self: self._parse_join_side_and_kind(), - 476 } - 477 - 478 STATEMENT_PARSERS = { - 479 TokenType.ALTER: lambda self: self._parse_alter(), - 480 TokenType.BEGIN: lambda self: self._parse_transaction(), - 481 TokenType.CACHE: lambda self: self._parse_cache(), - 482 TokenType.COMMIT: lambda self: self._parse_commit_or_rollback(), - 483 TokenType.COMMENT: lambda self: self._parse_comment(), - 484 TokenType.CREATE: lambda self: self._parse_create(), - 485 TokenType.DELETE: lambda self: self._parse_delete(), - 486 TokenType.DESC: lambda self: self._parse_describe(), - 487 TokenType.DESCRIBE: lambda self: self._parse_describe(), - 488 TokenType.DROP: lambda self: self._parse_drop(), - 489 TokenType.END: lambda self: self._parse_commit_or_rollback(), - 490 TokenType.INSERT: lambda self: self._parse_insert(), - 491 TokenType.LOAD_DATA: lambda self: self._parse_load_data(), - 492 TokenType.MERGE: lambda self: self._parse_merge(), - 493 TokenType.PRAGMA: lambda self: self.expression(exp.Pragma, this=self._parse_expression()), - 494 TokenType.ROLLBACK: lambda self: self._parse_commit_or_rollback(), - 495 TokenType.SET: lambda self: self._parse_set(), - 496 TokenType.UNCACHE: lambda self: self._parse_uncache(), - 497 TokenType.UPDATE: lambda self: self._parse_update(), - 498 TokenType.USE: lambda self: self.expression( - 499 exp.Use, - 500 kind=self._match_texts(("ROLE", "WAREHOUSE", "DATABASE", "SCHEMA")) - 501 and exp.Var(this=self._prev.text), - 502 this=self._parse_table(schema=False), - 503 ), - 504 } - 505 - 506 UNARY_PARSERS = { - 507 TokenType.PLUS: lambda self: self._parse_unary(), # Unary + is handled as a no-op - 508 TokenType.NOT: lambda self: self.expression(exp.Not, this=self._parse_equality()), - 509 TokenType.TILDA: lambda self: self.expression(exp.BitwiseNot, this=self._parse_unary()), - 510 TokenType.DASH: lambda self: self.expression(exp.Neg, this=self._parse_unary()), - 511 } - 512 - 513 PRIMARY_PARSERS = { - 514 TokenType.STRING: lambda self, token: self.expression( - 515 exp.Literal, this=token.text, is_string=True - 516 ), - 517 TokenType.NUMBER: lambda self, token: self.expression( - 518 exp.Literal, this=token.text, is_string=False - 519 ), - 520 TokenType.STAR: lambda self, _: self.expression( - 521 exp.Star, - 522 **{"except": self._parse_except(), "replace": self._parse_replace()}, - 523 ), - 524 TokenType.NULL: lambda self, _: self.expression(exp.Null), - 525 TokenType.TRUE: lambda self, _: self.expression(exp.Boolean, this=True), - 526 TokenType.FALSE: lambda self, _: self.expression(exp.Boolean, this=False), - 527 TokenType.BIT_STRING: lambda self, token: self.expression(exp.BitString, this=token.text), - 528 TokenType.HEX_STRING: lambda self, token: self.expression(exp.HexString, this=token.text), - 529 TokenType.BYTE_STRING: lambda self, token: self.expression(exp.ByteString, this=token.text), - 530 TokenType.INTRODUCER: lambda self, token: self._parse_introducer(token), - 531 TokenType.NATIONAL: lambda self, token: self._parse_national(token), - 532 TokenType.SESSION_PARAMETER: lambda self, _: self._parse_session_parameter(), - 533 } - 534 - 535 PLACEHOLDER_PARSERS = { - 536 TokenType.PLACEHOLDER: lambda self: self.expression(exp.Placeholder), - 537 TokenType.PARAMETER: lambda self: self._parse_parameter(), - 538 TokenType.COLON: lambda self: self.expression(exp.Placeholder, this=self._prev.text) - 539 if self._match_set((TokenType.NUMBER, TokenType.VAR)) - 540 else None, - 541 } - 542 - 543 RANGE_PARSERS = { - 544 TokenType.BETWEEN: lambda self, this: self._parse_between(this), - 545 TokenType.GLOB: binary_range_parser(exp.Glob), - 546 TokenType.OVERLAPS: binary_range_parser(exp.Overlaps), - 547 TokenType.IN: lambda self, this: self._parse_in(this), - 548 TokenType.IS: lambda self, this: self._parse_is(this), - 549 TokenType.LIKE: binary_range_parser(exp.Like), - 550 TokenType.ILIKE: binary_range_parser(exp.ILike), - 551 TokenType.IRLIKE: binary_range_parser(exp.RegexpILike), - 552 TokenType.RLIKE: binary_range_parser(exp.RegexpLike), - 553 TokenType.SIMILAR_TO: binary_range_parser(exp.SimilarTo), - 554 } - 555 - 556 PROPERTY_PARSERS = { - 557 "AFTER": lambda self: self._parse_afterjournal( - 558 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" - 559 ), - 560 "ALGORITHM": lambda self: self._parse_property_assignment(exp.AlgorithmProperty), - 561 "AUTO_INCREMENT": lambda self: self._parse_property_assignment(exp.AutoIncrementProperty), - 562 "BEFORE": lambda self: self._parse_journal( - 563 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" - 564 ), - 565 "BLOCKCOMPRESSION": lambda self: self._parse_blockcompression(), - 566 "CHARACTER SET": lambda self: self._parse_character_set(), - 567 "CHECKSUM": lambda self: self._parse_checksum(), - 568 "CLUSTER BY": lambda self: self.expression( - 569 exp.Cluster, expressions=self._parse_csv(self._parse_ordered) - 570 ), - 571 "COLLATE": lambda self: self._parse_property_assignment(exp.CollateProperty), - 572 "COMMENT": lambda self: self._parse_property_assignment(exp.SchemaCommentProperty), - 573 "DATABLOCKSIZE": lambda self: self._parse_datablocksize( - 574 default=self._prev.text.upper() == "DEFAULT" - 575 ), - 576 "DEFINER": lambda self: self._parse_definer(), - 577 "DETERMINISTIC": lambda self: self.expression( - 578 exp.StabilityProperty, this=exp.Literal.string("IMMUTABLE") - 579 ), - 580 "DISTKEY": lambda self: self._parse_distkey(), - 581 "DISTSTYLE": lambda self: self._parse_property_assignment(exp.DistStyleProperty), - 582 "EXECUTE": lambda self: self._parse_property_assignment(exp.ExecuteAsProperty), - 583 "EXTERNAL": lambda self: self.expression(exp.ExternalProperty), - 584 "FALLBACK": lambda self: self._parse_fallback(no=self._prev.text.upper() == "NO"), - 585 "FORMAT": lambda self: self._parse_property_assignment(exp.FileFormatProperty), - 586 "FREESPACE": lambda self: self._parse_freespace(), - 587 "GLOBAL": lambda self: self._parse_temporary(global_=True), - 588 "IMMUTABLE": lambda self: self.expression( - 589 exp.StabilityProperty, this=exp.Literal.string("IMMUTABLE") - 590 ), - 591 "JOURNAL": lambda self: self._parse_journal( - 592 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" - 593 ), - 594 "LANGUAGE": lambda self: self._parse_property_assignment(exp.LanguageProperty), - 595 "LIKE": lambda self: self._parse_create_like(), - 596 "LOCAL": lambda self: self._parse_afterjournal(no=False, dual=False, local=True), - 597 "LOCATION": lambda self: self._parse_property_assignment(exp.LocationProperty), - 598 "LOCK": lambda self: self._parse_locking(), - 599 "LOCKING": lambda self: self._parse_locking(), - 600 "LOG": lambda self: self._parse_log(no=self._prev.text.upper() == "NO"), - 601 "MATERIALIZED": lambda self: self.expression(exp.MaterializedProperty), - 602 "MAX": lambda self: self._parse_datablocksize(), - 603 "MAXIMUM": lambda self: self._parse_datablocksize(), - 604 "MERGEBLOCKRATIO": lambda self: self._parse_mergeblockratio( - 605 no=self._prev.text.upper() == "NO", default=self._prev.text.upper() == "DEFAULT" - 606 ), - 607 "MIN": lambda self: self._parse_datablocksize(), - 608 "MINIMUM": lambda self: self._parse_datablocksize(), - 609 "MULTISET": lambda self: self.expression(exp.SetProperty, multi=True), - 610 "NO": lambda self: self._parse_noprimaryindex(), - 611 "NOT": lambda self: self._parse_afterjournal(no=False, dual=False, local=False), - 612 "ON": lambda self: self._parse_oncommit(), - 613 "PARTITION BY": lambda self: self._parse_partitioned_by(), - 614 "PARTITIONED BY": lambda self: self._parse_partitioned_by(), - 615 "PARTITIONED_BY": lambda self: self._parse_partitioned_by(), - 616 "RETURNS": lambda self: self._parse_returns(), - 617 "ROW": lambda self: self._parse_row(), - 618 "ROW_FORMAT": lambda self: self._parse_property_assignment(exp.RowFormatProperty), - 619 "SET": lambda self: self.expression(exp.SetProperty, multi=False), - 620 "SORTKEY": lambda self: self._parse_sortkey(), - 621 "STABLE": lambda self: self.expression( - 622 exp.StabilityProperty, this=exp.Literal.string("STABLE") - 623 ), - 624 "STORED": lambda self: self._parse_stored(), - 625 "TABLE_FORMAT": lambda self: self._parse_property_assignment(exp.TableFormatProperty), - 626 "TBLPROPERTIES": lambda self: self._parse_wrapped_csv(self._parse_property), - 627 "TEMP": lambda self: self._parse_temporary(global_=False), - 628 "TEMPORARY": lambda self: self._parse_temporary(global_=False), - 629 "TRANSIENT": lambda self: self.expression(exp.TransientProperty), - 630 "USING": lambda self: self._parse_property_assignment(exp.TableFormatProperty), - 631 "VOLATILE": lambda self: self._parse_volatile_property(), - 632 "WITH": lambda self: self._parse_with_property(), - 633 } - 634 - 635 CONSTRAINT_PARSERS = { - 636 "AUTOINCREMENT": lambda self: self._parse_auto_increment(), - 637 "AUTO_INCREMENT": lambda self: self._parse_auto_increment(), - 638 "CASESPECIFIC": lambda self: self.expression(exp.CaseSpecificColumnConstraint, not_=False), - 639 "CHARACTER SET": lambda self: self.expression( - 640 exp.CharacterSetColumnConstraint, this=self._parse_var_or_string() - 641 ), - 642 "CHECK": lambda self: self.expression( - 643 exp.CheckColumnConstraint, this=self._parse_wrapped(self._parse_conjunction) - 644 ), - 645 "COLLATE": lambda self: self.expression( - 646 exp.CollateColumnConstraint, this=self._parse_var() - 647 ), - 648 "COMMENT": lambda self: self.expression( - 649 exp.CommentColumnConstraint, this=self._parse_string() - 650 ), - 651 "COMPRESS": lambda self: self._parse_compress(), - 652 "DEFAULT": lambda self: self.expression( - 653 exp.DefaultColumnConstraint, this=self._parse_bitwise() - 654 ), - 655 "ENCODE": lambda self: self.expression(exp.EncodeColumnConstraint, this=self._parse_var()), - 656 "FOREIGN KEY": lambda self: self._parse_foreign_key(), - 657 "FORMAT": lambda self: self.expression( - 658 exp.DateFormatColumnConstraint, this=self._parse_var_or_string() - 659 ), - 660 "GENERATED": lambda self: self._parse_generated_as_identity(), - 661 "IDENTITY": lambda self: self._parse_auto_increment(), - 662 "INLINE": lambda self: self._parse_inline(), - 663 "LIKE": lambda self: self._parse_create_like(), - 664 "NOT": lambda self: self._parse_not_constraint(), - 665 "NULL": lambda self: self.expression(exp.NotNullColumnConstraint, allow_null=True), - 666 "ON": lambda self: self._match(TokenType.UPDATE) - 667 and self.expression(exp.OnUpdateColumnConstraint, this=self._parse_function()), - 668 "PATH": lambda self: self.expression(exp.PathColumnConstraint, this=self._parse_string()), - 669 "PRIMARY KEY": lambda self: self._parse_primary_key(), - 670 "REFERENCES": lambda self: self._parse_references(match=False), - 671 "TITLE": lambda self: self.expression( - 672 exp.TitleColumnConstraint, this=self._parse_var_or_string() - 673 ), - 674 "UNIQUE": lambda self: self._parse_unique(), - 675 "UPPERCASE": lambda self: self.expression(exp.UppercaseColumnConstraint), - 676 } - 677 - 678 ALTER_PARSERS = { - 679 "ADD": lambda self: self._parse_alter_table_add(), - 680 "ALTER": lambda self: self._parse_alter_table_alter(), - 681 "DELETE": lambda self: self.expression(exp.Delete, where=self._parse_where()), - 682 "DROP": lambda self: self._parse_alter_table_drop(), - 683 "RENAME": lambda self: self._parse_alter_table_rename(), - 684 } - 685 - 686 SCHEMA_UNNAMED_CONSTRAINTS = {"CHECK", "FOREIGN KEY", "LIKE", "PRIMARY KEY", "UNIQUE"} - 687 - 688 NO_PAREN_FUNCTION_PARSERS = { - 689 TokenType.CASE: lambda self: self._parse_case(), - 690 TokenType.IF: lambda self: self._parse_if(), - 691 TokenType.ANY: lambda self: self.expression(exp.Any, this=self._parse_bitwise()), - 692 } - 693 - 694 FUNCTION_PARSERS: t.Dict[str, t.Callable] = { - 695 "CAST": lambda self: self._parse_cast(self.STRICT_CAST), - 696 "CONVERT": lambda self: self._parse_convert(self.STRICT_CAST), - 697 "DECODE": lambda self: self._parse_decode(), - 698 "EXTRACT": lambda self: self._parse_extract(), - 699 "JSON_OBJECT": lambda self: self._parse_json_object(), - 700 "LOG": lambda self: self._parse_logarithm(), - 701 "MATCH": lambda self: self._parse_match_against(), - 702 "POSITION": lambda self: self._parse_position(), - 703 "STRING_AGG": lambda self: self._parse_string_agg(), - 704 "SUBSTRING": lambda self: self._parse_substring(), - 705 "TRIM": lambda self: self._parse_trim(), - 706 "TRY_CAST": lambda self: self._parse_cast(False), - 707 "TRY_CONVERT": lambda self: self._parse_convert(False), - 708 } - 709 - 710 QUERY_MODIFIER_PARSERS = { - 711 "match": lambda self: self._parse_match_recognize(), - 712 "where": lambda self: self._parse_where(), - 713 "group": lambda self: self._parse_group(), - 714 "having": lambda self: self._parse_having(), - 715 "qualify": lambda self: self._parse_qualify(), - 716 "windows": lambda self: self._parse_window_clause(), - 717 "distribute": lambda self: self._parse_sort(TokenType.DISTRIBUTE_BY, exp.Distribute), - 718 "sort": lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort), - 719 "cluster": lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster), - 720 "order": lambda self: self._parse_order(), - 721 "limit": lambda self: self._parse_limit(), - 722 "offset": lambda self: self._parse_offset(), - 723 "lock": lambda self: self._parse_lock(), - 724 "sample": lambda self: self._parse_table_sample(as_modifier=True), - 725 } - 726 - 727 SET_PARSERS = { - 728 "GLOBAL": lambda self: self._parse_set_item_assignment("GLOBAL"), - 729 "LOCAL": lambda self: self._parse_set_item_assignment("LOCAL"), - 730 "SESSION": lambda self: self._parse_set_item_assignment("SESSION"), - 731 "TRANSACTION": lambda self: self._parse_set_transaction(), - 732 } - 733 - 734 SHOW_PARSERS: t.Dict[str, t.Callable] = {} - 735 - 736 TYPE_LITERAL_PARSERS: t.Dict[exp.DataType.Type, t.Callable] = {} - 737 - 738 MODIFIABLES = (exp.Subquery, exp.Subqueryable, exp.Table) + 236 TokenType.KEEP, + 237 TokenType.LAZY, + 238 TokenType.LEADING, + 239 TokenType.LEFT, + 240 TokenType.LOCAL, + 241 TokenType.MATERIALIZED, + 242 TokenType.MERGE, + 243 TokenType.NATURAL, + 244 TokenType.NEXT, + 245 TokenType.OFFSET, + 246 TokenType.ONLY, + 247 TokenType.OPTIONS, + 248 TokenType.ORDINALITY, + 249 TokenType.OVERWRITE, + 250 TokenType.PARTITION, + 251 TokenType.PERCENT, + 252 TokenType.PIVOT, + 253 TokenType.PRAGMA, + 254 TokenType.PRECEDING, + 255 TokenType.RANGE, + 256 TokenType.REFERENCES, + 257 TokenType.RIGHT, + 258 TokenType.ROW, + 259 TokenType.ROWS, + 260 TokenType.SEED, + 261 TokenType.SEMI, + 262 TokenType.SET, + 263 TokenType.SHOW, + 264 TokenType.SORTKEY, + 265 TokenType.TEMPORARY, + 266 TokenType.TOP, + 267 TokenType.TRAILING, + 268 TokenType.TRUE, + 269 TokenType.UNBOUNDED, + 270 TokenType.UNIQUE, + 271 TokenType.UNLOGGED, + 272 TokenType.UNPIVOT, + 273 TokenType.VOLATILE, + 274 TokenType.WINDOW, + 275 *CREATABLES, + 276 *SUBQUERY_PREDICATES, + 277 *TYPE_TOKENS, + 278 *NO_PAREN_FUNCTIONS, + 279 } + 280 + 281 INTERVAL_VARS = ID_VAR_TOKENS - {TokenType.END} + 282 + 283 TABLE_ALIAS_TOKENS = ID_VAR_TOKENS - { + 284 TokenType.APPLY, + 285 TokenType.FULL, + 286 TokenType.LEFT, + 287 TokenType.NATURAL, + 288 TokenType.OFFSET, + 289 TokenType.RIGHT, + 290 TokenType.WINDOW, + 291 } + 292 + 293 COMMENT_TABLE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.IS} + 294 + 295 UPDATE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.SET} + 296 + 297 TRIM_TYPES = {TokenType.LEADING, TokenType.TRAILING, TokenType.BOTH} + 298 + 299 FUNC_TOKENS = { + 300 TokenType.COMMAND, + 301 TokenType.CURRENT_DATE, + 302 TokenType.CURRENT_DATETIME, + 303 TokenType.CURRENT_TIMESTAMP, + 304 TokenType.CURRENT_TIME, + 305 TokenType.CURRENT_USER, + 306 TokenType.FILTER, + 307 TokenType.FIRST, + 308 TokenType.FORMAT, + 309 TokenType.GLOB, + 310 TokenType.IDENTIFIER, + 311 TokenType.INDEX, + 312 TokenType.ISNULL, + 313 TokenType.ILIKE, + 314 TokenType.LIKE, + 315 TokenType.MERGE, + 316 TokenType.OFFSET, + 317 TokenType.PRIMARY_KEY, + 318 TokenType.REPLACE, + 319 TokenType.ROW, + 320 TokenType.UNNEST, + 321 TokenType.VAR, + 322 TokenType.LEFT, + 323 TokenType.RIGHT, + 324 TokenType.DATE, + 325 TokenType.DATETIME, + 326 TokenType.TABLE, + 327 TokenType.TIMESTAMP, + 328 TokenType.TIMESTAMPTZ, + 329 TokenType.WINDOW, + 330 *TYPE_TOKENS, + 331 *SUBQUERY_PREDICATES, + 332 } + 333 + 334 CONJUNCTION = { + 335 TokenType.AND: exp.And, + 336 TokenType.OR: exp.Or, + 337 } + 338 + 339 EQUALITY = { + 340 TokenType.EQ: exp.EQ, + 341 TokenType.NEQ: exp.NEQ, + 342 TokenType.NULLSAFE_EQ: exp.NullSafeEQ, + 343 } + 344 + 345 COMPARISON = { + 346 TokenType.GT: exp.GT, + 347 TokenType.GTE: exp.GTE, + 348 TokenType.LT: exp.LT, + 349 TokenType.LTE: exp.LTE, + 350 } + 351 + 352 BITWISE = { + 353 TokenType.AMP: exp.BitwiseAnd, + 354 TokenType.CARET: exp.BitwiseXor, + 355 TokenType.PIPE: exp.BitwiseOr, + 356 TokenType.DPIPE: exp.DPipe, + 357 } + 358 + 359 TERM = { + 360 TokenType.DASH: exp.Sub, + 361 TokenType.PLUS: exp.Add, + 362 TokenType.MOD: exp.Mod, + 363 TokenType.COLLATE: exp.Collate, + 364 } + 365 + 366 FACTOR = { + 367 TokenType.DIV: exp.IntDiv, + 368 TokenType.LR_ARROW: exp.Distance, + 369 TokenType.SLASH: exp.Div, + 370 TokenType.STAR: exp.Mul, + 371 } + 372 + 373 TIMESTAMPS = { + 374 TokenType.TIME, + 375 TokenType.TIMESTAMP, + 376 TokenType.TIMESTAMPTZ, + 377 TokenType.TIMESTAMPLTZ, + 378 } + 379 + 380 SET_OPERATIONS = { + 381 TokenType.UNION, + 382 TokenType.INTERSECT, + 383 TokenType.EXCEPT, + 384 } + 385 + 386 JOIN_SIDES = { + 387 TokenType.LEFT, + 388 TokenType.RIGHT, + 389 TokenType.FULL, + 390 } + 391 + 392 JOIN_KINDS = { + 393 TokenType.INNER, + 394 TokenType.OUTER, + 395 TokenType.CROSS, + 396 TokenType.SEMI, + 397 TokenType.ANTI, + 398 } + 399 + 400 LAMBDAS = { + 401 TokenType.ARROW: lambda self, expressions: self.expression( + 402 exp.Lambda, + 403 this=self._replace_lambda( + 404 self._parse_conjunction(), + 405 {node.name for node in expressions}, + 406 ), + 407 expressions=expressions, + 408 ), + 409 TokenType.FARROW: lambda self, expressions: self.expression( + 410 exp.Kwarg, + 411 this=exp.Var(this=expressions[0].name), + 412 expression=self._parse_conjunction(), + 413 ), + 414 } + 415 + 416 COLUMN_OPERATORS = { + 417 TokenType.DOT: None, + 418 TokenType.DCOLON: lambda self, this, to: self.expression( + 419 exp.Cast if self.STRICT_CAST else exp.TryCast, + 420 this=this, + 421 to=to, + 422 ), + 423 TokenType.ARROW: lambda self, this, path: self.expression( + 424 exp.JSONExtract, + 425 this=this, + 426 expression=path, + 427 ), + 428 TokenType.DARROW: lambda self, this, path: self.expression( + 429 exp.JSONExtractScalar, + 430 this=this, + 431 expression=path, + 432 ), + 433 TokenType.HASH_ARROW: lambda self, this, path: self.expression( + 434 exp.JSONBExtract, + 435 this=this, + 436 expression=path, + 437 ), + 438 TokenType.DHASH_ARROW: lambda self, this, path: self.expression( + 439 exp.JSONBExtractScalar, + 440 this=this, + 441 expression=path, + 442 ), + 443 TokenType.PLACEHOLDER: lambda self, this, key: self.expression( + 444 exp.JSONBContains, + 445 this=this, + 446 expression=key, + 447 ), + 448 } + 449 + 450 EXPRESSION_PARSERS = { + 451 exp.Column: lambda self: self._parse_column(), + 452 exp.DataType: lambda self: self._parse_types(), + 453 exp.From: lambda self: self._parse_from(), + 454 exp.Group: lambda self: self._parse_group(), + 455 exp.Identifier: lambda self: self._parse_id_var(), + 456 exp.Lateral: lambda self: self._parse_lateral(), + 457 exp.Join: lambda self: self._parse_join(), + 458 exp.Order: lambda self: self._parse_order(), + 459 exp.Cluster: lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster), + 460 exp.Sort: lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort), + 461 exp.Lambda: lambda self: self._parse_lambda(), + 462 exp.Limit: lambda self: self._parse_limit(), + 463 exp.Offset: lambda self: self._parse_offset(), + 464 exp.TableAlias: lambda self: self._parse_table_alias(), + 465 exp.Table: lambda self: self._parse_table(), + 466 exp.Condition: lambda self: self._parse_conjunction(), + 467 exp.Expression: lambda self: self._parse_statement(), + 468 exp.Properties: lambda self: self._parse_properties(), + 469 exp.Where: lambda self: self._parse_where(), + 470 exp.Ordered: lambda self: self._parse_ordered(), + 471 exp.Having: lambda self: self._parse_having(), + 472 exp.With: lambda self: self._parse_with(), + 473 exp.Window: lambda self: self._parse_named_window(), + 474 exp.Qualify: lambda self: self._parse_qualify(), + 475 exp.Returning: lambda self: self._parse_returning(), + 476 "JOIN_TYPE": lambda self: self._parse_join_side_and_kind(), + 477 } + 478 + 479 STATEMENT_PARSERS = { + 480 TokenType.ALTER: lambda self: self._parse_alter(), + 481 TokenType.BEGIN: lambda self: self._parse_transaction(), + 482 TokenType.CACHE: lambda self: self._parse_cache(), + 483 TokenType.COMMIT: lambda self: self._parse_commit_or_rollback(), + 484 TokenType.COMMENT: lambda self: self._parse_comment(), + 485 TokenType.CREATE: lambda self: self._parse_create(), + 486 TokenType.DELETE: lambda self: self._parse_delete(), + 487 TokenType.DESC: lambda self: self._parse_describe(), + 488 TokenType.DESCRIBE: lambda self: self._parse_describe(), + 489 TokenType.DROP: lambda self: self._parse_drop(), + 490 TokenType.END: lambda self: self._parse_commit_or_rollback(), + 491 TokenType.INSERT: lambda self: self._parse_insert(), + 492 TokenType.LOAD_DATA: lambda self: self._parse_load_data(), + 493 TokenType.MERGE: lambda self: self._parse_merge(), + 494 TokenType.PRAGMA: lambda self: self.expression(exp.Pragma, this=self._parse_expression()), + 495 TokenType.ROLLBACK: lambda self: self._parse_commit_or_rollback(), + 496 TokenType.SET: lambda self: self._parse_set(), + 497 TokenType.UNCACHE: lambda self: self._parse_uncache(), + 498 TokenType.UPDATE: lambda self: self._parse_update(), + 499 TokenType.USE: lambda self: self.expression( + 500 exp.Use, + 501 kind=self._match_texts(("ROLE", "WAREHOUSE", "DATABASE", "SCHEMA")) + 502 and exp.Var(this=self._prev.text), + 503 this=self._parse_table(schema=False), + 504 ), + 505 } + 506 + 507 UNARY_PARSERS = { + 508 TokenType.PLUS: lambda self: self._parse_unary(), # Unary + is handled as a no-op + 509 TokenType.NOT: lambda self: self.expression(exp.Not, this=self._parse_equality()), + 510 TokenType.TILDA: lambda self: self.expression(exp.BitwiseNot, this=self._parse_unary()), + 511 TokenType.DASH: lambda self: self.expression(exp.Neg, this=self._parse_unary()), + 512 } + 513 + 514 PRIMARY_PARSERS = { + 515 TokenType.STRING: lambda self, token: self.expression( + 516 exp.Literal, this=token.text, is_string=True + 517 ), + 518 TokenType.NUMBER: lambda self, token: self.expression( + 519 exp.Literal, this=token.text, is_string=False + 520 ), + 521 TokenType.STAR: lambda self, _: self.expression( + 522 exp.Star, + 523 **{"except": self._parse_except(), "replace": self._parse_replace()}, + 524 ), + 525 TokenType.NULL: lambda self, _: self.expression(exp.Null), + 526 TokenType.TRUE: lambda self, _: self.expression(exp.Boolean, this=True), + 527 TokenType.FALSE: lambda self, _: self.expression(exp.Boolean, this=False), + 528 TokenType.BIT_STRING: lambda self, token: self.expression(exp.BitString, this=token.text), + 529 TokenType.HEX_STRING: lambda self, token: self.expression(exp.HexString, this=token.text), + 530 TokenType.BYTE_STRING: lambda self, token: self.expression(exp.ByteString, this=token.text), + 531 TokenType.INTRODUCER: lambda self, token: self._parse_introducer(token), + 532 TokenType.NATIONAL: lambda self, token: self._parse_national(token), + 533 TokenType.SESSION_PARAMETER: lambda self, _: self._parse_session_parameter(), + 534 } + 535 + 536 PLACEHOLDER_PARSERS = { + 537 TokenType.PLACEHOLDER: lambda self: self.expression(exp.Placeholder), + 538 TokenType.PARAMETER: lambda self: self._parse_parameter(), + 539 TokenType.COLON: lambda self: self.expression(exp.Placeholder, this=self._prev.text) + 540 if self._match_set((TokenType.NUMBER, TokenType.VAR)) + 541 else None, + 542 } + 543 + 544 RANGE_PARSERS = { + 545 TokenType.BETWEEN: lambda self, this: self._parse_between(this), + 546 TokenType.GLOB: binary_range_parser(exp.Glob), + 547 TokenType.OVERLAPS: binary_range_parser(exp.Overlaps), + 548 TokenType.IN: lambda self, this: self._parse_in(this), + 549 TokenType.IS: lambda self, this: self._parse_is(this), + 550 TokenType.LIKE: binary_range_parser(exp.Like), + 551 TokenType.ILIKE: binary_range_parser(exp.ILike), + 552 TokenType.IRLIKE: binary_range_parser(exp.RegexpILike), + 553 TokenType.RLIKE: binary_range_parser(exp.RegexpLike), + 554 TokenType.SIMILAR_TO: binary_range_parser(exp.SimilarTo), + 555 } + 556 + 557 PROPERTY_PARSERS = { + 558 "AFTER": lambda self: self._parse_afterjournal( + 559 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" + 560 ), + 561 "ALGORITHM": lambda self: self._parse_property_assignment(exp.AlgorithmProperty), + 562 "AUTO_INCREMENT": lambda self: self._parse_property_assignment(exp.AutoIncrementProperty), + 563 "BEFORE": lambda self: self._parse_journal( + 564 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" + 565 ), + 566 "BLOCKCOMPRESSION": lambda self: self._parse_blockcompression(), + 567 "CHARACTER SET": lambda self: self._parse_character_set(), + 568 "CHECKSUM": lambda self: self._parse_checksum(), + 569 "CLUSTER BY": lambda self: self.expression( + 570 exp.Cluster, expressions=self._parse_csv(self._parse_ordered) + 571 ), + 572 "COLLATE": lambda self: self._parse_property_assignment(exp.CollateProperty), + 573 "COMMENT": lambda self: self._parse_property_assignment(exp.SchemaCommentProperty), + 574 "DATABLOCKSIZE": lambda self: self._parse_datablocksize( + 575 default=self._prev.text.upper() == "DEFAULT" + 576 ), + 577 "DEFINER": lambda self: self._parse_definer(), + 578 "DETERMINISTIC": lambda self: self.expression( + 579 exp.StabilityProperty, this=exp.Literal.string("IMMUTABLE") + 580 ), + 581 "DISTKEY": lambda self: self._parse_distkey(), + 582 "DISTSTYLE": lambda self: self._parse_property_assignment(exp.DistStyleProperty), + 583 "EXECUTE": lambda self: self._parse_property_assignment(exp.ExecuteAsProperty), + 584 "EXTERNAL": lambda self: self.expression(exp.ExternalProperty), + 585 "FALLBACK": lambda self: self._parse_fallback(no=self._prev.text.upper() == "NO"), + 586 "FORMAT": lambda self: self._parse_property_assignment(exp.FileFormatProperty), + 587 "FREESPACE": lambda self: self._parse_freespace(), + 588 "GLOBAL": lambda self: self._parse_temporary(global_=True), + 589 "IMMUTABLE": lambda self: self.expression( + 590 exp.StabilityProperty, this=exp.Literal.string("IMMUTABLE") + 591 ), + 592 "JOURNAL": lambda self: self._parse_journal( + 593 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" + 594 ), + 595 "LANGUAGE": lambda self: self._parse_property_assignment(exp.LanguageProperty), + 596 "LIKE": lambda self: self._parse_create_like(), + 597 "LOCAL": lambda self: self._parse_afterjournal(no=False, dual=False, local=True), + 598 "LOCATION": lambda self: self._parse_property_assignment(exp.LocationProperty), + 599 "LOCK": lambda self: self._parse_locking(), + 600 "LOCKING": lambda self: self._parse_locking(), + 601 "LOG": lambda self: self._parse_log(no=self._prev.text.upper() == "NO"), + 602 "MATERIALIZED": lambda self: self.expression(exp.MaterializedProperty), + 603 "MAX": lambda self: self._parse_datablocksize(), + 604 "MAXIMUM": lambda self: self._parse_datablocksize(), + 605 "MERGEBLOCKRATIO": lambda self: self._parse_mergeblockratio( + 606 no=self._prev.text.upper() == "NO", default=self._prev.text.upper() == "DEFAULT" + 607 ), + 608 "MIN": lambda self: self._parse_datablocksize(), + 609 "MINIMUM": lambda self: self._parse_datablocksize(), + 610 "MULTISET": lambda self: self.expression(exp.SetProperty, multi=True), + 611 "NO": lambda self: self._parse_noprimaryindex(), + 612 "NOT": lambda self: self._parse_afterjournal(no=False, dual=False, local=False), + 613 "ON": lambda self: self._parse_oncommit(), + 614 "PARTITION BY": lambda self: self._parse_partitioned_by(), + 615 "PARTITIONED BY": lambda self: self._parse_partitioned_by(), + 616 "PARTITIONED_BY": lambda self: self._parse_partitioned_by(), + 617 "RETURNS": lambda self: self._parse_returns(), + 618 "ROW": lambda self: self._parse_row(), + 619 "ROW_FORMAT": lambda self: self._parse_property_assignment(exp.RowFormatProperty), + 620 "SET": lambda self: self.expression(exp.SetProperty, multi=False), + 621 "SORTKEY": lambda self: self._parse_sortkey(), + 622 "STABLE": lambda self: self.expression( + 623 exp.StabilityProperty, this=exp.Literal.string("STABLE") + 624 ), + 625 "STORED": lambda self: self._parse_stored(), + 626 "TABLE_FORMAT": lambda self: self._parse_property_assignment(exp.TableFormatProperty), + 627 "TBLPROPERTIES": lambda self: self._parse_wrapped_csv(self._parse_property), + 628 "TEMP": lambda self: self._parse_temporary(global_=False), + 629 "TEMPORARY": lambda self: self._parse_temporary(global_=False), + 630 "TRANSIENT": lambda self: self.expression(exp.TransientProperty), + 631 "USING": lambda self: self._parse_property_assignment(exp.TableFormatProperty), + 632 "VOLATILE": lambda self: self._parse_volatile_property(), + 633 "WITH": lambda self: self._parse_with_property(), + 634 } + 635 + 636 CONSTRAINT_PARSERS = { + 637 "AUTOINCREMENT": lambda self: self._parse_auto_increment(), + 638 "AUTO_INCREMENT": lambda self: self._parse_auto_increment(), + 639 "CASESPECIFIC": lambda self: self.expression(exp.CaseSpecificColumnConstraint, not_=False), + 640 "CHARACTER SET": lambda self: self.expression( + 641 exp.CharacterSetColumnConstraint, this=self._parse_var_or_string() + 642 ), + 643 "CHECK": lambda self: self.expression( + 644 exp.CheckColumnConstraint, this=self._parse_wrapped(self._parse_conjunction) + 645 ), + 646 "COLLATE": lambda self: self.expression( + 647 exp.CollateColumnConstraint, this=self._parse_var() + 648 ), + 649 "COMMENT": lambda self: self.expression( + 650 exp.CommentColumnConstraint, this=self._parse_string() + 651 ), + 652 "COMPRESS": lambda self: self._parse_compress(), + 653 "DEFAULT": lambda self: self.expression( + 654 exp.DefaultColumnConstraint, this=self._parse_bitwise() + 655 ), + 656 "ENCODE": lambda self: self.expression(exp.EncodeColumnConstraint, this=self._parse_var()), + 657 "FOREIGN KEY": lambda self: self._parse_foreign_key(), + 658 "FORMAT": lambda self: self.expression( + 659 exp.DateFormatColumnConstraint, this=self._parse_var_or_string() + 660 ), + 661 "GENERATED": lambda self: self._parse_generated_as_identity(), + 662 "IDENTITY": lambda self: self._parse_auto_increment(), + 663 "INLINE": lambda self: self._parse_inline(), + 664 "LIKE": lambda self: self._parse_create_like(), + 665 "NOT": lambda self: self._parse_not_constraint(), + 666 "NULL": lambda self: self.expression(exp.NotNullColumnConstraint, allow_null=True), + 667 "ON": lambda self: self._match(TokenType.UPDATE) + 668 and self.expression(exp.OnUpdateColumnConstraint, this=self._parse_function()), + 669 "PATH": lambda self: self.expression(exp.PathColumnConstraint, this=self._parse_string()), + 670 "PRIMARY KEY": lambda self: self._parse_primary_key(), + 671 "REFERENCES": lambda self: self._parse_references(match=False), + 672 "TITLE": lambda self: self.expression( + 673 exp.TitleColumnConstraint, this=self._parse_var_or_string() + 674 ), + 675 "UNIQUE": lambda self: self._parse_unique(), + 676 "UPPERCASE": lambda self: self.expression(exp.UppercaseColumnConstraint), + 677 } + 678 + 679 ALTER_PARSERS = { + 680 "ADD": lambda self: self._parse_alter_table_add(), + 681 "ALTER": lambda self: self._parse_alter_table_alter(), + 682 "DELETE": lambda self: self.expression(exp.Delete, where=self._parse_where()), + 683 "DROP": lambda self: self._parse_alter_table_drop(), + 684 "RENAME": lambda self: self._parse_alter_table_rename(), + 685 } + 686 + 687 SCHEMA_UNNAMED_CONSTRAINTS = {"CHECK", "FOREIGN KEY", "LIKE", "PRIMARY KEY", "UNIQUE"} + 688 + 689 NO_PAREN_FUNCTION_PARSERS = { + 690 TokenType.ANY: lambda self: self.expression(exp.Any, this=self._parse_bitwise()), + 691 TokenType.CASE: lambda self: self._parse_case(), + 692 TokenType.IF: lambda self: self._parse_if(), + 693 TokenType.NEXT_VALUE_FOR: lambda self: self.expression( + 694 exp.NextValueFor, + 695 this=self._parse_column(), + 696 order=self._match(TokenType.OVER) and self._parse_wrapped(self._parse_order), + 697 ), + 698 } + 699 + 700 FUNCTION_PARSERS: t.Dict[str, t.Callable] = { + 701 "CAST": lambda self: self._parse_cast(self.STRICT_CAST), + 702 "CONVERT": lambda self: self._parse_convert(self.STRICT_CAST), + 703 "DECODE": lambda self: self._parse_decode(), + 704 "EXTRACT": lambda self: self._parse_extract(), + 705 "JSON_OBJECT": lambda self: self._parse_json_object(), + 706 "LOG": lambda self: self._parse_logarithm(), + 707 "MATCH": lambda self: self._parse_match_against(), + 708 "POSITION": lambda self: self._parse_position(), + 709 "STRING_AGG": lambda self: self._parse_string_agg(), + 710 "SUBSTRING": lambda self: self._parse_substring(), + 711 "TRIM": lambda self: self._parse_trim(), + 712 "TRY_CAST": lambda self: self._parse_cast(False), + 713 "TRY_CONVERT": lambda self: self._parse_convert(False), + 714 } + 715 + 716 QUERY_MODIFIER_PARSERS = { + 717 "match": lambda self: self._parse_match_recognize(), + 718 "where": lambda self: self._parse_where(), + 719 "group": lambda self: self._parse_group(), + 720 "having": lambda self: self._parse_having(), + 721 "qualify": lambda self: self._parse_qualify(), + 722 "windows": lambda self: self._parse_window_clause(), + 723 "distribute": lambda self: self._parse_sort(TokenType.DISTRIBUTE_BY, exp.Distribute), + 724 "sort": lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort), + 725 "cluster": lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster), + 726 "order": lambda self: self._parse_order(), + 727 "limit": lambda self: self._parse_limit(), + 728 "offset": lambda self: self._parse_offset(), + 729 "lock": lambda self: self._parse_lock(), + 730 "sample": lambda self: self._parse_table_sample(as_modifier=True), + 731 } + 732 + 733 SET_PARSERS = { + 734 "GLOBAL": lambda self: self._parse_set_item_assignment("GLOBAL"), + 735 "LOCAL": lambda self: self._parse_set_item_assignment("LOCAL"), + 736 "SESSION": lambda self: self._parse_set_item_assignment("SESSION"), + 737 "TRANSACTION": lambda self: self._parse_set_transaction(), + 738 } 739 - 740 TRANSACTION_KIND = {"DEFERRED", "IMMEDIATE", "EXCLUSIVE"} + 740 SHOW_PARSERS: t.Dict[str, t.Callable] = {} 741 - 742 TRANSACTION_CHARACTERISTICS = { - 743 "ISOLATION LEVEL REPEATABLE READ", - 744 "ISOLATION LEVEL READ COMMITTED", - 745 "ISOLATION LEVEL READ UNCOMMITTED", - 746 "ISOLATION LEVEL SERIALIZABLE", - 747 "READ WRITE", - 748 "READ ONLY", - 749 } - 750 - 751 INSERT_ALTERNATIVES = {"ABORT", "FAIL", "IGNORE", "REPLACE", "ROLLBACK"} - 752 - 753 WINDOW_ALIAS_TOKENS = ID_VAR_TOKENS - {TokenType.ROWS} - 754 - 755 ADD_CONSTRAINT_TOKENS = {TokenType.CONSTRAINT, TokenType.PRIMARY_KEY, TokenType.FOREIGN_KEY} + 742 TYPE_LITERAL_PARSERS: t.Dict[exp.DataType.Type, t.Callable] = {} + 743 + 744 MODIFIABLES = (exp.Subquery, exp.Subqueryable, exp.Table) + 745 + 746 TRANSACTION_KIND = {"DEFERRED", "IMMEDIATE", "EXCLUSIVE"} + 747 + 748 TRANSACTION_CHARACTERISTICS = { + 749 "ISOLATION LEVEL REPEATABLE READ", + 750 "ISOLATION LEVEL READ COMMITTED", + 751 "ISOLATION LEVEL READ UNCOMMITTED", + 752 "ISOLATION LEVEL SERIALIZABLE", + 753 "READ WRITE", + 754 "READ ONLY", + 755 } 756 - 757 STRICT_CAST = True + 757 INSERT_ALTERNATIVES = {"ABORT", "FAIL", "IGNORE", "REPLACE", "ROLLBACK"} 758 - 759 CONVERT_TYPE_FIRST = False - 760 - 761 QUOTED_PIVOT_COLUMNS: t.Optional[bool] = None - 762 PREFIXED_PIVOT_COLUMNS = False + 759 WINDOW_ALIAS_TOKENS = ID_VAR_TOKENS - {TokenType.ROWS} + 760 WINDOW_BEFORE_PAREN_TOKENS = {TokenType.OVER} + 761 + 762 ADD_CONSTRAINT_TOKENS = {TokenType.CONSTRAINT, TokenType.PRIMARY_KEY, TokenType.FOREIGN_KEY} 763 - 764 LOG_BASE_FIRST = True - 765 LOG_DEFAULTS_TO_LN = False - 766 - 767 __slots__ = ( - 768 "error_level", - 769 "error_message_context", - 770 "sql", - 771 "errors", - 772 "index_offset", - 773 "unnest_column_only", - 774 "alias_post_tablesample", - 775 "max_errors", - 776 "null_ordering", - 777 "_tokens", - 778 "_index", - 779 "_curr", - 780 "_next", - 781 "_prev", - 782 "_prev_comments", - 783 "_show_trie", - 784 "_set_trie", - 785 ) - 786 - 787 def __init__( - 788 self, - 789 error_level: t.Optional[ErrorLevel] = None, - 790 error_message_context: int = 100, - 791 index_offset: int = 0, - 792 unnest_column_only: bool = False, - 793 alias_post_tablesample: bool = False, - 794 max_errors: int = 3, - 795 null_ordering: t.Optional[str] = None, - 796 ): - 797 self.error_level = error_level or ErrorLevel.IMMEDIATE - 798 self.error_message_context = error_message_context - 799 self.index_offset = index_offset - 800 self.unnest_column_only = unnest_column_only - 801 self.alias_post_tablesample = alias_post_tablesample - 802 self.max_errors = max_errors - 803 self.null_ordering = null_ordering - 804 self.reset() - 805 - 806 def reset(self): - 807 self.sql = "" - 808 self.errors = [] - 809 self._tokens = [] - 810 self._index = 0 - 811 self._curr = None - 812 self._next = None - 813 self._prev = None - 814 self._prev_comments = None - 815 - 816 def parse( - 817 self, raw_tokens: t.List[Token], sql: t.Optional[str] = None - 818 ) -> t.List[t.Optional[exp.Expression]]: - 819 """ - 820 Parses a list of tokens and returns a list of syntax trees, one tree - 821 per parsed SQL statement. + 764 STRICT_CAST = True + 765 + 766 CONVERT_TYPE_FIRST = False + 767 + 768 QUOTED_PIVOT_COLUMNS: t.Optional[bool] = None + 769 PREFIXED_PIVOT_COLUMNS = False + 770 + 771 LOG_BASE_FIRST = True + 772 LOG_DEFAULTS_TO_LN = False + 773 + 774 __slots__ = ( + 775 "error_level", + 776 "error_message_context", + 777 "sql", + 778 "errors", + 779 "index_offset", + 780 "unnest_column_only", + 781 "alias_post_tablesample", + 782 "max_errors", + 783 "null_ordering", + 784 "_tokens", + 785 "_index", + 786 "_curr", + 787 "_next", + 788 "_prev", + 789 "_prev_comments", + 790 "_show_trie", + 791 "_set_trie", + 792 ) + 793 + 794 def __init__( + 795 self, + 796 error_level: t.Optional[ErrorLevel] = None, + 797 error_message_context: int = 100, + 798 index_offset: int = 0, + 799 unnest_column_only: bool = False, + 800 alias_post_tablesample: bool = False, + 801 max_errors: int = 3, + 802 null_ordering: t.Optional[str] = None, + 803 ): + 804 self.error_level = error_level or ErrorLevel.IMMEDIATE + 805 self.error_message_context = error_message_context + 806 self.index_offset = index_offset + 807 self.unnest_column_only = unnest_column_only + 808 self.alias_post_tablesample = alias_post_tablesample + 809 self.max_errors = max_errors + 810 self.null_ordering = null_ordering + 811 self.reset() + 812 + 813 def reset(self): + 814 self.sql = "" + 815 self.errors = [] + 816 self._tokens = [] + 817 self._index = 0 + 818 self._curr = None + 819 self._next = None + 820 self._prev = None + 821 self._prev_comments = None 822 - 823 Args: - 824 raw_tokens: the list of tokens. - 825 sql: the original SQL string, used to produce helpful debug messages. - 826 - 827 Returns: - 828 The list of syntax trees. - 829 """ - 830 return self._parse( - 831 parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql - 832 ) + 823 def parse( + 824 self, raw_tokens: t.List[Token], sql: t.Optional[str] = None + 825 ) -> t.List[t.Optional[exp.Expression]]: + 826 """ + 827 Parses a list of tokens and returns a list of syntax trees, one tree + 828 per parsed SQL statement. + 829 + 830 Args: + 831 raw_tokens: the list of tokens. + 832 sql: the original SQL string, used to produce helpful debug messages. 833 - 834 def parse_into( - 835 self, - 836 expression_types: exp.IntoType, - 837 raw_tokens: t.List[Token], - 838 sql: t.Optional[str] = None, - 839 ) -> t.List[t.Optional[exp.Expression]]: - 840 """ - 841 Parses a list of tokens into a given Expression type. If a collection of Expression - 842 types is given instead, this method will try to parse the token list into each one - 843 of them, stopping at the first for which the parsing succeeds. - 844 - 845 Args: - 846 expression_types: the expression type(s) to try and parse the token list into. - 847 raw_tokens: the list of tokens. - 848 sql: the original SQL string, used to produce helpful debug messages. - 849 - 850 Returns: - 851 The target Expression. - 852 """ - 853 errors = [] - 854 for expression_type in ensure_collection(expression_types): - 855 parser = self.EXPRESSION_PARSERS.get(expression_type) - 856 if not parser: - 857 raise TypeError(f"No parser registered for {expression_type}") - 858 try: - 859 return self._parse(parser, raw_tokens, sql) - 860 except ParseError as e: - 861 e.errors[0]["into_expression"] = expression_type - 862 errors.append(e) - 863 raise ParseError( - 864 f"Failed to parse into {expression_types}", - 865 errors=merge_errors(errors), - 866 ) from errors[-1] - 867 - 868 def _parse( - 869 self, - 870 parse_method: t.Callable[[Parser], t.Optional[exp.Expression]], - 871 raw_tokens: t.List[Token], - 872 sql: t.Optional[str] = None, - 873 ) -> t.List[t.Optional[exp.Expression]]: - 874 self.reset() - 875 self.sql = sql or "" - 876 total = len(raw_tokens) - 877 chunks: t.List[t.List[Token]] = [[]] - 878 - 879 for i, token in enumerate(raw_tokens): - 880 if token.token_type == TokenType.SEMICOLON: - 881 if i < total - 1: - 882 chunks.append([]) - 883 else: - 884 chunks[-1].append(token) + 834 Returns: + 835 The list of syntax trees. + 836 """ + 837 return self._parse( + 838 parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql + 839 ) + 840 + 841 def parse_into( + 842 self, + 843 expression_types: exp.IntoType, + 844 raw_tokens: t.List[Token], + 845 sql: t.Optional[str] = None, + 846 ) -> t.List[t.Optional[exp.Expression]]: + 847 """ + 848 Parses a list of tokens into a given Expression type. If a collection of Expression + 849 types is given instead, this method will try to parse the token list into each one + 850 of them, stopping at the first for which the parsing succeeds. + 851 + 852 Args: + 853 expression_types: the expression type(s) to try and parse the token list into. + 854 raw_tokens: the list of tokens. + 855 sql: the original SQL string, used to produce helpful debug messages. + 856 + 857 Returns: + 858 The target Expression. + 859 """ + 860 errors = [] + 861 for expression_type in ensure_collection(expression_types): + 862 parser = self.EXPRESSION_PARSERS.get(expression_type) + 863 if not parser: + 864 raise TypeError(f"No parser registered for {expression_type}") + 865 try: + 866 return self._parse(parser, raw_tokens, sql) + 867 except ParseError as e: + 868 e.errors[0]["into_expression"] = expression_type + 869 errors.append(e) + 870 raise ParseError( + 871 f"Failed to parse into {expression_types}", + 872 errors=merge_errors(errors), + 873 ) from errors[-1] + 874 + 875 def _parse( + 876 self, + 877 parse_method: t.Callable[[Parser], t.Optional[exp.Expression]], + 878 raw_tokens: t.List[Token], + 879 sql: t.Optional[str] = None, + 880 ) -> t.List[t.Optional[exp.Expression]]: + 881 self.reset() + 882 self.sql = sql or "" + 883 total = len(raw_tokens) + 884 chunks: t.List[t.List[Token]] = [[]] 885 - 886 expressions = [] - 887 - 888 for tokens in chunks: - 889 self._index = -1 - 890 self._tokens = tokens - 891 self._advance() + 886 for i, token in enumerate(raw_tokens): + 887 if token.token_type == TokenType.SEMICOLON: + 888 if i < total - 1: + 889 chunks.append([]) + 890 else: + 891 chunks[-1].append(token) 892 - 893 expressions.append(parse_method(self)) + 893 expressions = [] 894 - 895 if self._index < len(self._tokens): - 896 self.raise_error("Invalid expression / Unexpected token") - 897 - 898 self.check_errors() + 895 for tokens in chunks: + 896 self._index = -1 + 897 self._tokens = tokens + 898 self._advance() 899 - 900 return expressions + 900 expressions.append(parse_method(self)) 901 - 902 def check_errors(self) -> None: - 903 """ - 904 Logs or raises any found errors, depending on the chosen error level setting. - 905 """ - 906 if self.error_level == ErrorLevel.WARN: - 907 for error in self.errors: - 908 logger.error(str(error)) - 909 elif self.error_level == ErrorLevel.RAISE and self.errors: - 910 raise ParseError( - 911 concat_messages(self.errors, self.max_errors), - 912 errors=merge_errors(self.errors), - 913 ) - 914 - 915 def raise_error(self, message: str, token: t.Optional[Token] = None) -> None: - 916 """ - 917 Appends an error in the list of recorded errors or raises it, depending on the chosen - 918 error level setting. - 919 """ - 920 token = token or self._curr or self._prev or Token.string("") - 921 start = token.start - 922 end = token.end - 923 start_context = self.sql[max(start - self.error_message_context, 0) : start] - 924 highlight = self.sql[start:end] - 925 end_context = self.sql[end : end + self.error_message_context] - 926 - 927 error = ParseError.new( - 928 f"{message}. Line {token.line}, Col: {token.col}.\n" - 929 f" {start_context}\033[4m{highlight}\033[0m{end_context}", - 930 description=message, - 931 line=token.line, - 932 col=token.col, - 933 start_context=start_context, - 934 highlight=highlight, - 935 end_context=end_context, - 936 ) - 937 - 938 if self.error_level == ErrorLevel.IMMEDIATE: - 939 raise error - 940 - 941 self.errors.append(error) - 942 - 943 def expression( - 944 self, exp_class: t.Type[E], comments: t.Optional[t.List[str]] = None, **kwargs - 945 ) -> E: - 946 """ - 947 Creates a new, validated Expression. - 948 - 949 Args: - 950 exp_class: the expression class to instantiate. - 951 comments: an optional list of comments to attach to the expression. - 952 kwargs: the arguments to set for the expression along with their respective values. - 953 - 954 Returns: - 955 The target expression. - 956 """ - 957 instance = exp_class(**kwargs) - 958 if self._prev_comments: - 959 instance.comments = self._prev_comments - 960 self._prev_comments = None - 961 if comments: - 962 instance.comments = comments - 963 self.validate_expression(instance) - 964 return instance - 965 - 966 def validate_expression( - 967 self, expression: exp.Expression, args: t.Optional[t.List] = None - 968 ) -> None: - 969 """ - 970 Validates an already instantiated expression, making sure that all its mandatory arguments - 971 are set. + 902 if self._index < len(self._tokens): + 903 self.raise_error("Invalid expression / Unexpected token") + 904 + 905 self.check_errors() + 906 + 907 return expressions + 908 + 909 def check_errors(self) -> None: + 910 """ + 911 Logs or raises any found errors, depending on the chosen error level setting. + 912 """ + 913 if self.error_level == ErrorLevel.WARN: + 914 for error in self.errors: + 915 logger.error(str(error)) + 916 elif self.error_level == ErrorLevel.RAISE and self.errors: + 917 raise ParseError( + 918 concat_messages(self.errors, self.max_errors), + 919 errors=merge_errors(self.errors), + 920 ) + 921 + 922 def raise_error(self, message: str, token: t.Optional[Token] = None) -> None: + 923 """ + 924 Appends an error in the list of recorded errors or raises it, depending on the chosen + 925 error level setting. + 926 """ + 927 token = token or self._curr or self._prev or Token.string("") + 928 start = token.start + 929 end = token.end + 930 start_context = self.sql[max(start - self.error_message_context, 0) : start] + 931 highlight = self.sql[start:end] + 932 end_context = self.sql[end : end + self.error_message_context] + 933 + 934 error = ParseError.new( + 935 f"{message}. Line {token.line}, Col: {token.col}.\n" + 936 f" {start_context}\033[4m{highlight}\033[0m{end_context}", + 937 description=message, + 938 line=token.line, + 939 col=token.col, + 940 start_context=start_context, + 941 highlight=highlight, + 942 end_context=end_context, + 943 ) + 944 + 945 if self.error_level == ErrorLevel.IMMEDIATE: + 946 raise error + 947 + 948 self.errors.append(error) + 949 + 950 def expression( + 951 self, exp_class: t.Type[E], comments: t.Optional[t.List[str]] = None, **kwargs + 952 ) -> E: + 953 """ + 954 Creates a new, validated Expression. + 955 + 956 Args: + 957 exp_class: the expression class to instantiate. + 958 comments: an optional list of comments to attach to the expression. + 959 kwargs: the arguments to set for the expression along with their respective values. + 960 + 961 Returns: + 962 The target expression. + 963 """ + 964 instance = exp_class(**kwargs) + 965 if self._prev_comments: + 966 instance.comments = self._prev_comments + 967 self._prev_comments = None + 968 if comments: + 969 instance.comments = comments + 970 self.validate_expression(instance) + 971 return instance 972 - 973 Args: - 974 expression: the expression to validate. - 975 args: an optional list of items that was used to instantiate the expression, if it's a Func. - 976 """ - 977 if self.error_level == ErrorLevel.IGNORE: - 978 return + 973 def validate_expression( + 974 self, expression: exp.Expression, args: t.Optional[t.List] = None + 975 ) -> None: + 976 """ + 977 Validates an already instantiated expression, making sure that all its mandatory arguments + 978 are set. 979 - 980 for error_message in expression.error_messages(args): - 981 self.raise_error(error_message) - 982 - 983 def _find_sql(self, start: Token, end: Token) -> str: - 984 return self.sql[start.start : end.end] - 985 - 986 def _advance(self, times: int = 1) -> None: - 987 self._index += times - 988 self._curr = seq_get(self._tokens, self._index) - 989 self._next = seq_get(self._tokens, self._index + 1) - 990 if self._index > 0: - 991 self._prev = self._tokens[self._index - 1] - 992 self._prev_comments = self._prev.comments - 993 else: - 994 self._prev = None - 995 self._prev_comments = None - 996 - 997 def _retreat(self, index: int) -> None: - 998 if index != self._index: - 999 self._advance(index - self._index) -1000 -1001 def _parse_command(self) -> exp.Command: -1002 return self.expression(exp.Command, this=self._prev.text, expression=self._parse_string()) + 980 Args: + 981 expression: the expression to validate. + 982 args: an optional list of items that was used to instantiate the expression, if it's a Func. + 983 """ + 984 if self.error_level == ErrorLevel.IGNORE: + 985 return + 986 + 987 for error_message in expression.error_messages(args): + 988 self.raise_error(error_message) + 989 + 990 def _find_sql(self, start: Token, end: Token) -> str: + 991 return self.sql[start.start : end.end] + 992 + 993 def _advance(self, times: int = 1) -> None: + 994 self._index += times + 995 self._curr = seq_get(self._tokens, self._index) + 996 self._next = seq_get(self._tokens, self._index + 1) + 997 if self._index > 0: + 998 self._prev = self._tokens[self._index - 1] + 999 self._prev_comments = self._prev.comments +1000 else: +1001 self._prev = None +1002 self._prev_comments = None 1003 -1004 def _parse_comment(self, allow_exists: bool = True) -> exp.Expression: -1005 start = self._prev -1006 exists = self._parse_exists() if allow_exists else None +1004 def _retreat(self, index: int) -> None: +1005 if index != self._index: +1006 self._advance(index - self._index) 1007 -1008 self._match(TokenType.ON) -1009 -1010 kind = self._match_set(self.CREATABLES) and self._prev -1011 -1012 if not kind: -1013 return self._parse_as_command(start) +1008 def _parse_command(self) -> exp.Command: +1009 return self.expression(exp.Command, this=self._prev.text, expression=self._parse_string()) +1010 +1011 def _parse_comment(self, allow_exists: bool = True) -> exp.Expression: +1012 start = self._prev +1013 exists = self._parse_exists() if allow_exists else None 1014 -1015 if kind.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE): -1016 this = self._parse_user_defined_function(kind=kind.token_type) -1017 elif kind.token_type == TokenType.TABLE: -1018 this = self._parse_table(alias_tokens=self.COMMENT_TABLE_ALIAS_TOKENS) -1019 elif kind.token_type == TokenType.COLUMN: -1020 this = self._parse_column() -1021 else: -1022 this = self._parse_id_var() -1023 -1024 self._match(TokenType.IS) -1025 -1026 return self.expression( -1027 exp.Comment, this=this, kind=kind.text, expression=self._parse_string(), exists=exists -1028 ) -1029 -1030 def _parse_statement(self) -> t.Optional[exp.Expression]: -1031 if self._curr is None: -1032 return None -1033 -1034 if self._match_set(self.STATEMENT_PARSERS): -1035 return self.STATEMENT_PARSERS[self._prev.token_type](self) +1015 self._match(TokenType.ON) +1016 +1017 kind = self._match_set(self.CREATABLES) and self._prev +1018 +1019 if not kind: +1020 return self._parse_as_command(start) +1021 +1022 if kind.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE): +1023 this = self._parse_user_defined_function(kind=kind.token_type) +1024 elif kind.token_type == TokenType.TABLE: +1025 this = self._parse_table(alias_tokens=self.COMMENT_TABLE_ALIAS_TOKENS) +1026 elif kind.token_type == TokenType.COLUMN: +1027 this = self._parse_column() +1028 else: +1029 this = self._parse_id_var() +1030 +1031 self._match(TokenType.IS) +1032 +1033 return self.expression( +1034 exp.Comment, this=this, kind=kind.text, expression=self._parse_string(), exists=exists +1035 ) 1036 -1037 if self._match_set(Tokenizer.COMMANDS): -1038 return self._parse_command() -1039 -1040 expression = self._parse_expression() -1041 expression = self._parse_set_operations(expression) if expression else self._parse_select() -1042 -1043 self._parse_query_modifiers(expression) -1044 return expression -1045 -1046 def _parse_drop(self) -> t.Optional[exp.Drop | exp.Command]: -1047 start = self._prev -1048 temporary = self._match(TokenType.TEMPORARY) -1049 materialized = self._match(TokenType.MATERIALIZED) -1050 kind = self._match_set(self.CREATABLES) and self._prev.text -1051 if not kind: -1052 return self._parse_as_command(start) -1053 -1054 return self.expression( -1055 exp.Drop, -1056 exists=self._parse_exists(), -1057 this=self._parse_table(schema=True), -1058 kind=kind, -1059 temporary=temporary, -1060 materialized=materialized, -1061 cascade=self._match(TokenType.CASCADE), -1062 constraints=self._match_text_seq("CONSTRAINTS"), -1063 purge=self._match_text_seq("PURGE"), -1064 ) -1065 -1066 def _parse_exists(self, not_: bool = False) -> t.Optional[bool]: -1067 return ( -1068 self._match(TokenType.IF) -1069 and (not not_ or self._match(TokenType.NOT)) -1070 and self._match(TokenType.EXISTS) +1037 def _parse_statement(self) -> t.Optional[exp.Expression]: +1038 if self._curr is None: +1039 return None +1040 +1041 if self._match_set(self.STATEMENT_PARSERS): +1042 return self.STATEMENT_PARSERS[self._prev.token_type](self) +1043 +1044 if self._match_set(Tokenizer.COMMANDS): +1045 return self._parse_command() +1046 +1047 expression = self._parse_expression() +1048 expression = self._parse_set_operations(expression) if expression else self._parse_select() +1049 +1050 self._parse_query_modifiers(expression) +1051 return expression +1052 +1053 def _parse_drop(self) -> t.Optional[exp.Drop | exp.Command]: +1054 start = self._prev +1055 temporary = self._match(TokenType.TEMPORARY) +1056 materialized = self._match(TokenType.MATERIALIZED) +1057 kind = self._match_set(self.CREATABLES) and self._prev.text +1058 if not kind: +1059 return self._parse_as_command(start) +1060 +1061 return self.expression( +1062 exp.Drop, +1063 exists=self._parse_exists(), +1064 this=self._parse_table(schema=True), +1065 kind=kind, +1066 temporary=temporary, +1067 materialized=materialized, +1068 cascade=self._match(TokenType.CASCADE), +1069 constraints=self._match_text_seq("CONSTRAINTS"), +1070 purge=self._match_text_seq("PURGE"), 1071 ) 1072 -1073 def _parse_create(self) -> t.Optional[exp.Expression]: -1074 start = self._prev -1075 replace = self._prev.text.upper() == "REPLACE" or self._match_pair( -1076 TokenType.OR, TokenType.REPLACE -1077 ) -1078 unique = self._match(TokenType.UNIQUE) +1073 def _parse_exists(self, not_: bool = False) -> t.Optional[bool]: +1074 return ( +1075 self._match(TokenType.IF) +1076 and (not not_ or self._match(TokenType.NOT)) +1077 and self._match(TokenType.EXISTS) +1078 ) 1079 -1080 if self._match_pair(TokenType.TABLE, TokenType.FUNCTION, advance=False): -1081 self._match(TokenType.TABLE) -1082 -1083 properties = None -1084 create_token = self._match_set(self.CREATABLES) and self._prev -1085 -1086 if not create_token: -1087 properties = self._parse_properties() # exp.Properties.Location.POST_CREATE -1088 create_token = self._match_set(self.CREATABLES) and self._prev +1080 def _parse_create(self) -> t.Optional[exp.Expression]: +1081 start = self._prev +1082 replace = self._prev.text.upper() == "REPLACE" or self._match_pair( +1083 TokenType.OR, TokenType.REPLACE +1084 ) +1085 unique = self._match(TokenType.UNIQUE) +1086 +1087 if self._match_pair(TokenType.TABLE, TokenType.FUNCTION, advance=False): +1088 self._match(TokenType.TABLE) 1089 -1090 if not properties or not create_token: -1091 return self._parse_as_command(start) +1090 properties = None +1091 create_token = self._match_set(self.CREATABLES) and self._prev 1092 -1093 exists = self._parse_exists(not_=True) -1094 this = None -1095 expression = None -1096 indexes = None -1097 no_schema_binding = None -1098 begin = None +1093 if not create_token: +1094 properties = self._parse_properties() # exp.Properties.Location.POST_CREATE +1095 create_token = self._match_set(self.CREATABLES) and self._prev +1096 +1097 if not properties or not create_token: +1098 return self._parse_as_command(start) 1099 -1100 if create_token.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE): -1101 this = self._parse_user_defined_function(kind=create_token.token_type) -1102 temp_properties = self._parse_properties() -1103 if properties and temp_properties: -1104 properties.expressions.extend(temp_properties.expressions) -1105 elif temp_properties: -1106 properties = temp_properties -1107 -1108 self._match(TokenType.ALIAS) -1109 begin = self._match(TokenType.BEGIN) -1110 return_ = self._match_text_seq("RETURN") -1111 expression = self._parse_statement() -1112 -1113 if return_: -1114 expression = self.expression(exp.Return, this=expression) -1115 elif create_token.token_type == TokenType.INDEX: -1116 this = self._parse_index() -1117 elif create_token.token_type in self.DB_CREATABLES: -1118 table_parts = self._parse_table_parts(schema=True) +1100 exists = self._parse_exists(not_=True) +1101 this = None +1102 expression = None +1103 indexes = None +1104 no_schema_binding = None +1105 begin = None +1106 +1107 if create_token.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE): +1108 this = self._parse_user_defined_function(kind=create_token.token_type) +1109 temp_properties = self._parse_properties() +1110 if properties and temp_properties: +1111 properties.expressions.extend(temp_properties.expressions) +1112 elif temp_properties: +1113 properties = temp_properties +1114 +1115 self._match(TokenType.ALIAS) +1116 begin = self._match(TokenType.BEGIN) +1117 return_ = self._match_text_seq("RETURN") +1118 expression = self._parse_statement() 1119 -1120 # exp.Properties.Location.POST_NAME -1121 if self._match(TokenType.COMMA): -1122 temp_properties = self._parse_properties(before=True) -1123 if properties and temp_properties: -1124 properties.expressions.extend(temp_properties.expressions) -1125 elif temp_properties: -1126 properties = temp_properties -1127 -1128 this = self._parse_schema(this=table_parts) -1129 -1130 # exp.Properties.Location.POST_SCHEMA and POST_WITH -1131 temp_properties = self._parse_properties() -1132 if properties and temp_properties: -1133 properties.expressions.extend(temp_properties.expressions) -1134 elif temp_properties: -1135 properties = temp_properties +1120 if return_: +1121 expression = self.expression(exp.Return, this=expression) +1122 elif create_token.token_type == TokenType.INDEX: +1123 this = self._parse_index() +1124 elif create_token.token_type in self.DB_CREATABLES: +1125 table_parts = self._parse_table_parts(schema=True) +1126 +1127 # exp.Properties.Location.POST_NAME +1128 if self._match(TokenType.COMMA): +1129 temp_properties = self._parse_properties(before=True) +1130 if properties and temp_properties: +1131 properties.expressions.extend(temp_properties.expressions) +1132 elif temp_properties: +1133 properties = temp_properties +1134 +1135 this = self._parse_schema(this=table_parts) 1136 -1137 self._match(TokenType.ALIAS) -1138 -1139 # exp.Properties.Location.POST_ALIAS -1140 if not ( -1141 self._match(TokenType.SELECT, advance=False) -1142 or self._match(TokenType.WITH, advance=False) -1143 or self._match(TokenType.L_PAREN, advance=False) -1144 ): -1145 temp_properties = self._parse_properties() -1146 if properties and temp_properties: -1147 properties.expressions.extend(temp_properties.expressions) -1148 elif temp_properties: -1149 properties = temp_properties -1150 -1151 expression = self._parse_ddl_select() -1152 -1153 if create_token.token_type == TokenType.TABLE: -1154 # exp.Properties.Location.POST_EXPRESSION -1155 temp_properties = self._parse_properties() -1156 if properties and temp_properties: -1157 properties.expressions.extend(temp_properties.expressions) -1158 elif temp_properties: -1159 properties = temp_properties -1160 -1161 indexes = [] -1162 while True: -1163 index = self._parse_create_table_index() -1164 -1165 # exp.Properties.Location.POST_INDEX -1166 if self._match(TokenType.PARTITION_BY, advance=False): -1167 temp_properties = self._parse_properties() -1168 if properties and temp_properties: -1169 properties.expressions.extend(temp_properties.expressions) -1170 elif temp_properties: -1171 properties = temp_properties -1172 -1173 if not index: -1174 break -1175 else: -1176 indexes.append(index) -1177 elif create_token.token_type == TokenType.VIEW: -1178 if self._match_text_seq("WITH", "NO", "SCHEMA", "BINDING"): -1179 no_schema_binding = True -1180 -1181 return self.expression( -1182 exp.Create, -1183 this=this, -1184 kind=create_token.text, -1185 replace=replace, -1186 unique=unique, -1187 expression=expression, -1188 exists=exists, -1189 properties=properties, -1190 indexes=indexes, -1191 no_schema_binding=no_schema_binding, -1192 begin=begin, -1193 ) -1194 -1195 def _parse_property_before(self) -> t.Optional[exp.Expression]: -1196 self._match(TokenType.COMMA) -1197 -1198 # parsers look to _prev for no/dual/default, so need to consume first -1199 self._match_text_seq("NO") -1200 self._match_text_seq("DUAL") -1201 self._match_text_seq("DEFAULT") -1202 -1203 if self.PROPERTY_PARSERS.get(self._curr.text.upper()): -1204 return self.PROPERTY_PARSERS[self._curr.text.upper()](self) -1205 -1206 return None -1207 -1208 def _parse_property(self) -> t.Optional[exp.Expression]: -1209 if self._match_texts(self.PROPERTY_PARSERS): -1210 return self.PROPERTY_PARSERS[self._prev.text.upper()](self) -1211 -1212 if self._match_pair(TokenType.DEFAULT, TokenType.CHARACTER_SET): -1213 return self._parse_character_set(default=True) +1137 # exp.Properties.Location.POST_SCHEMA and POST_WITH +1138 temp_properties = self._parse_properties() +1139 if properties and temp_properties: +1140 properties.expressions.extend(temp_properties.expressions) +1141 elif temp_properties: +1142 properties = temp_properties +1143 +1144 self._match(TokenType.ALIAS) +1145 +1146 # exp.Properties.Location.POST_ALIAS +1147 if not ( +1148 self._match(TokenType.SELECT, advance=False) +1149 or self._match(TokenType.WITH, advance=False) +1150 or self._match(TokenType.L_PAREN, advance=False) +1151 ): +1152 temp_properties = self._parse_properties() +1153 if properties and temp_properties: +1154 properties.expressions.extend(temp_properties.expressions) +1155 elif temp_properties: +1156 properties = temp_properties +1157 +1158 expression = self._parse_ddl_select() +1159 +1160 if create_token.token_type == TokenType.TABLE: +1161 # exp.Properties.Location.POST_EXPRESSION +1162 temp_properties = self._parse_properties() +1163 if properties and temp_properties: +1164 properties.expressions.extend(temp_properties.expressions) +1165 elif temp_properties: +1166 properties = temp_properties +1167 +1168 indexes = [] +1169 while True: +1170 index = self._parse_create_table_index() +1171 +1172 # exp.Properties.Location.POST_INDEX +1173 if self._match(TokenType.PARTITION_BY, advance=False): +1174 temp_properties = self._parse_properties() +1175 if properties and temp_properties: +1176 properties.expressions.extend(temp_properties.expressions) +1177 elif temp_properties: +1178 properties = temp_properties +1179 +1180 if not index: +1181 break +1182 else: +1183 indexes.append(index) +1184 elif create_token.token_type == TokenType.VIEW: +1185 if self._match_text_seq("WITH", "NO", "SCHEMA", "BINDING"): +1186 no_schema_binding = True +1187 +1188 return self.expression( +1189 exp.Create, +1190 this=this, +1191 kind=create_token.text, +1192 replace=replace, +1193 unique=unique, +1194 expression=expression, +1195 exists=exists, +1196 properties=properties, +1197 indexes=indexes, +1198 no_schema_binding=no_schema_binding, +1199 begin=begin, +1200 ) +1201 +1202 def _parse_property_before(self) -> t.Optional[exp.Expression]: +1203 self._match(TokenType.COMMA) +1204 +1205 # parsers look to _prev for no/dual/default, so need to consume first +1206 self._match_text_seq("NO") +1207 self._match_text_seq("DUAL") +1208 self._match_text_seq("DEFAULT") +1209 +1210 if self.PROPERTY_PARSERS.get(self._curr.text.upper()): +1211 return self.PROPERTY_PARSERS[self._curr.text.upper()](self) +1212 +1213 return None 1214 -1215 if self._match_pair(TokenType.COMPOUND, TokenType.SORTKEY): -1216 return self._parse_sortkey(compound=True) -1217 -1218 if self._match_text_seq("SQL", "SECURITY"): -1219 return self.expression(exp.SqlSecurityProperty, definer=self._match_text_seq("DEFINER")) -1220 -1221 assignment = self._match_pair( -1222 TokenType.VAR, TokenType.EQ, advance=False -1223 ) or self._match_pair(TokenType.STRING, TokenType.EQ, advance=False) +1215 def _parse_property(self) -> t.Optional[exp.Expression]: +1216 if self._match_texts(self.PROPERTY_PARSERS): +1217 return self.PROPERTY_PARSERS[self._prev.text.upper()](self) +1218 +1219 if self._match_pair(TokenType.DEFAULT, TokenType.CHARACTER_SET): +1220 return self._parse_character_set(default=True) +1221 +1222 if self._match_pair(TokenType.COMPOUND, TokenType.SORTKEY): +1223 return self._parse_sortkey(compound=True) 1224 -1225 if assignment: -1226 key = self._parse_var_or_string() -1227 self._match(TokenType.EQ) -1228 return self.expression(exp.Property, this=key, value=self._parse_column()) -1229 -1230 return None +1225 if self._match_text_seq("SQL", "SECURITY"): +1226 return self.expression(exp.SqlSecurityProperty, definer=self._match_text_seq("DEFINER")) +1227 +1228 assignment = self._match_pair( +1229 TokenType.VAR, TokenType.EQ, advance=False +1230 ) or self._match_pair(TokenType.STRING, TokenType.EQ, advance=False) 1231 -1232 def _parse_stored(self) -> exp.Expression: -1233 self._match(TokenType.ALIAS) -1234 -1235 input_format = self._parse_string() if self._match_text_seq("INPUTFORMAT") else None -1236 output_format = self._parse_string() if self._match_text_seq("OUTPUTFORMAT") else None -1237 -1238 return self.expression( -1239 exp.FileFormatProperty, -1240 this=self.expression( -1241 exp.InputOutputFormat, input_format=input_format, output_format=output_format -1242 ) -1243 if input_format or output_format -1244 else self._parse_var_or_string() or self._parse_number() or self._parse_id_var(), -1245 ) -1246 -1247 def _parse_property_assignment(self, exp_class: t.Type[exp.Expression]) -> exp.Expression: -1248 self._match(TokenType.EQ) -1249 self._match(TokenType.ALIAS) -1250 return self.expression( -1251 exp_class, -1252 this=self._parse_var_or_string() or self._parse_number() or self._parse_id_var(), -1253 ) -1254 -1255 def _parse_properties(self, before=None) -> t.Optional[exp.Expression]: -1256 properties = [] -1257 -1258 while True: -1259 if before: -1260 identified_property = self._parse_property_before() -1261 else: -1262 identified_property = self._parse_property() -1263 -1264 if not identified_property: -1265 break -1266 for p in ensure_list(identified_property): -1267 properties.append(p) -1268 -1269 if properties: -1270 return self.expression(exp.Properties, expressions=properties) -1271 -1272 return None -1273 -1274 def _parse_fallback(self, no=False) -> exp.Expression: -1275 self._match_text_seq("FALLBACK") -1276 return self.expression( -1277 exp.FallbackProperty, no=no, protection=self._match_text_seq("PROTECTION") -1278 ) -1279 -1280 def _parse_volatile_property(self) -> exp.Expression: -1281 if self._index >= 2: -1282 pre_volatile_token = self._tokens[self._index - 2] -1283 else: -1284 pre_volatile_token = None -1285 -1286 if pre_volatile_token and pre_volatile_token.token_type in ( -1287 TokenType.CREATE, -1288 TokenType.REPLACE, -1289 TokenType.UNIQUE, -1290 ): -1291 return exp.VolatileProperty() +1232 if assignment: +1233 key = self._parse_var_or_string() +1234 self._match(TokenType.EQ) +1235 return self.expression(exp.Property, this=key, value=self._parse_column()) +1236 +1237 return None +1238 +1239 def _parse_stored(self) -> exp.Expression: +1240 self._match(TokenType.ALIAS) +1241 +1242 input_format = self._parse_string() if self._match_text_seq("INPUTFORMAT") else None +1243 output_format = self._parse_string() if self._match_text_seq("OUTPUTFORMAT") else None +1244 +1245 return self.expression( +1246 exp.FileFormatProperty, +1247 this=self.expression( +1248 exp.InputOutputFormat, input_format=input_format, output_format=output_format +1249 ) +1250 if input_format or output_format +1251 else self._parse_var_or_string() or self._parse_number() or self._parse_id_var(), +1252 ) +1253 +1254 def _parse_property_assignment(self, exp_class: t.Type[exp.Expression]) -> exp.Expression: +1255 self._match(TokenType.EQ) +1256 self._match(TokenType.ALIAS) +1257 return self.expression( +1258 exp_class, +1259 this=self._parse_var_or_string() or self._parse_number() or self._parse_id_var(), +1260 ) +1261 +1262 def _parse_properties(self, before=None) -> t.Optional[exp.Expression]: +1263 properties = [] +1264 +1265 while True: +1266 if before: +1267 identified_property = self._parse_property_before() +1268 else: +1269 identified_property = self._parse_property() +1270 +1271 if not identified_property: +1272 break +1273 for p in ensure_list(identified_property): +1274 properties.append(p) +1275 +1276 if properties: +1277 return self.expression(exp.Properties, expressions=properties) +1278 +1279 return None +1280 +1281 def _parse_fallback(self, no=False) -> exp.Expression: +1282 self._match_text_seq("FALLBACK") +1283 return self.expression( +1284 exp.FallbackProperty, no=no, protection=self._match_text_seq("PROTECTION") +1285 ) +1286 +1287 def _parse_volatile_property(self) -> exp.Expression: +1288 if self._index >= 2: +1289 pre_volatile_token = self._tokens[self._index - 2] +1290 else: +1291 pre_volatile_token = None 1292 -1293 return self.expression(exp.StabilityProperty, this=exp.Literal.string("VOLATILE")) -1294 -1295 def _parse_with_property( -1296 self, -1297 ) -> t.Union[t.Optional[exp.Expression], t.List[t.Optional[exp.Expression]]]: -1298 self._match(TokenType.WITH) -1299 if self._match(TokenType.L_PAREN, advance=False): -1300 return self._parse_wrapped_csv(self._parse_property) +1293 if pre_volatile_token and pre_volatile_token.token_type in ( +1294 TokenType.CREATE, +1295 TokenType.REPLACE, +1296 TokenType.UNIQUE, +1297 ): +1298 return exp.VolatileProperty() +1299 +1300 return self.expression(exp.StabilityProperty, this=exp.Literal.string("VOLATILE")) 1301 -1302 if self._match_text_seq("JOURNAL"): -1303 return self._parse_withjournaltable() -1304 -1305 if self._match_text_seq("DATA"): -1306 return self._parse_withdata(no=False) -1307 elif self._match_text_seq("NO", "DATA"): -1308 return self._parse_withdata(no=True) -1309 -1310 if not self._next: -1311 return None -1312 -1313 return self._parse_withisolatedloading() -1314 -1315 # https://dev.mysql.com/doc/refman/8.0/en/create-view.html -1316 def _parse_definer(self) -> t.Optional[exp.Expression]: -1317 self._match(TokenType.EQ) -1318 -1319 user = self._parse_id_var() -1320 self._match(TokenType.PARAMETER) -1321 host = self._parse_id_var() or (self._match(TokenType.MOD) and self._prev.text) -1322 -1323 if not user or not host: -1324 return None +1302 def _parse_with_property( +1303 self, +1304 ) -> t.Union[t.Optional[exp.Expression], t.List[t.Optional[exp.Expression]]]: +1305 self._match(TokenType.WITH) +1306 if self._match(TokenType.L_PAREN, advance=False): +1307 return self._parse_wrapped_csv(self._parse_property) +1308 +1309 if self._match_text_seq("JOURNAL"): +1310 return self._parse_withjournaltable() +1311 +1312 if self._match_text_seq("DATA"): +1313 return self._parse_withdata(no=False) +1314 elif self._match_text_seq("NO", "DATA"): +1315 return self._parse_withdata(no=True) +1316 +1317 if not self._next: +1318 return None +1319 +1320 return self._parse_withisolatedloading() +1321 +1322 # https://dev.mysql.com/doc/refman/8.0/en/create-view.html +1323 def _parse_definer(self) -> t.Optional[exp.Expression]: +1324 self._match(TokenType.EQ) 1325 -1326 return exp.DefinerProperty(this=f"{user}@{host}") -1327 -1328 def _parse_withjournaltable(self) -> exp.Expression: -1329 self._match(TokenType.TABLE) -1330 self._match(TokenType.EQ) -1331 return self.expression(exp.WithJournalTableProperty, this=self._parse_table_parts()) +1326 user = self._parse_id_var() +1327 self._match(TokenType.PARAMETER) +1328 host = self._parse_id_var() or (self._match(TokenType.MOD) and self._prev.text) +1329 +1330 if not user or not host: +1331 return None 1332 -1333 def _parse_log(self, no=False) -> exp.Expression: -1334 self._match_text_seq("LOG") -1335 return self.expression(exp.LogProperty, no=no) -1336 -1337 def _parse_journal(self, no=False, dual=False) -> exp.Expression: -1338 before = self._match_text_seq("BEFORE") -1339 self._match_text_seq("JOURNAL") -1340 return self.expression(exp.JournalProperty, no=no, dual=dual, before=before) -1341 -1342 def _parse_afterjournal(self, no=False, dual=False, local=None) -> exp.Expression: -1343 self._match_text_seq("NOT") -1344 self._match_text_seq("LOCAL") -1345 self._match_text_seq("AFTER", "JOURNAL") -1346 return self.expression(exp.AfterJournalProperty, no=no, dual=dual, local=local) -1347 -1348 def _parse_checksum(self) -> exp.Expression: -1349 self._match_text_seq("CHECKSUM") -1350 self._match(TokenType.EQ) -1351 -1352 on = None -1353 if self._match(TokenType.ON): -1354 on = True -1355 elif self._match_text_seq("OFF"): -1356 on = False -1357 default = self._match(TokenType.DEFAULT) +1333 return exp.DefinerProperty(this=f"{user}@{host}") +1334 +1335 def _parse_withjournaltable(self) -> exp.Expression: +1336 self._match(TokenType.TABLE) +1337 self._match(TokenType.EQ) +1338 return self.expression(exp.WithJournalTableProperty, this=self._parse_table_parts()) +1339 +1340 def _parse_log(self, no=False) -> exp.Expression: +1341 self._match_text_seq("LOG") +1342 return self.expression(exp.LogProperty, no=no) +1343 +1344 def _parse_journal(self, no=False, dual=False) -> exp.Expression: +1345 before = self._match_text_seq("BEFORE") +1346 self._match_text_seq("JOURNAL") +1347 return self.expression(exp.JournalProperty, no=no, dual=dual, before=before) +1348 +1349 def _parse_afterjournal(self, no=False, dual=False, local=None) -> exp.Expression: +1350 self._match_text_seq("NOT") +1351 self._match_text_seq("LOCAL") +1352 self._match_text_seq("AFTER", "JOURNAL") +1353 return self.expression(exp.AfterJournalProperty, no=no, dual=dual, local=local) +1354 +1355 def _parse_checksum(self) -> exp.Expression: +1356 self._match_text_seq("CHECKSUM") +1357 self._match(TokenType.EQ) 1358 -1359 return self.expression( -1360 exp.ChecksumProperty, -1361 on=on, -1362 default=default, -1363 ) -1364 -1365 def _parse_freespace(self) -> exp.Expression: -1366 self._match_text_seq("FREESPACE") -1367 self._match(TokenType.EQ) -1368 return self.expression( -1369 exp.FreespaceProperty, this=self._parse_number(), percent=self._match(TokenType.PERCENT) +1359 on = None +1360 if self._match(TokenType.ON): +1361 on = True +1362 elif self._match_text_seq("OFF"): +1363 on = False +1364 default = self._match(TokenType.DEFAULT) +1365 +1366 return self.expression( +1367 exp.ChecksumProperty, +1368 on=on, +1369 default=default, 1370 ) 1371 -1372 def _parse_mergeblockratio(self, no=False, default=False) -> exp.Expression: -1373 self._match_text_seq("MERGEBLOCKRATIO") -1374 if self._match(TokenType.EQ): -1375 return self.expression( -1376 exp.MergeBlockRatioProperty, -1377 this=self._parse_number(), -1378 percent=self._match(TokenType.PERCENT), -1379 ) -1380 else: -1381 return self.expression( -1382 exp.MergeBlockRatioProperty, -1383 no=no, -1384 default=default, -1385 ) -1386 -1387 def _parse_datablocksize(self, default=None) -> exp.Expression: -1388 if default: -1389 self._match_text_seq("DATABLOCKSIZE") -1390 return self.expression(exp.DataBlocksizeProperty, default=True) -1391 elif self._match_texts(("MIN", "MINIMUM")): -1392 self._match_text_seq("DATABLOCKSIZE") -1393 return self.expression(exp.DataBlocksizeProperty, min=True) -1394 elif self._match_texts(("MAX", "MAXIMUM")): -1395 self._match_text_seq("DATABLOCKSIZE") -1396 return self.expression(exp.DataBlocksizeProperty, min=False) -1397 -1398 self._match_text_seq("DATABLOCKSIZE") -1399 self._match(TokenType.EQ) -1400 size = self._parse_number() -1401 units = None -1402 if self._match_texts(("BYTES", "KBYTES", "KILOBYTES")): -1403 units = self._prev.text -1404 return self.expression(exp.DataBlocksizeProperty, size=size, units=units) -1405 -1406 def _parse_blockcompression(self) -> exp.Expression: -1407 self._match_text_seq("BLOCKCOMPRESSION") -1408 self._match(TokenType.EQ) -1409 always = self._match_text_seq("ALWAYS") -1410 manual = self._match_text_seq("MANUAL") -1411 never = self._match_text_seq("NEVER") -1412 default = self._match_text_seq("DEFAULT") -1413 autotemp = None -1414 if self._match_text_seq("AUTOTEMP"): -1415 autotemp = self._parse_schema() -1416 -1417 return self.expression( -1418 exp.BlockCompressionProperty, -1419 always=always, -1420 manual=manual, -1421 never=never, -1422 default=default, -1423 autotemp=autotemp, -1424 ) -1425 -1426 def _parse_withisolatedloading(self) -> exp.Expression: -1427 no = self._match_text_seq("NO") -1428 concurrent = self._match_text_seq("CONCURRENT") -1429 self._match_text_seq("ISOLATED", "LOADING") -1430 for_all = self._match_text_seq("FOR", "ALL") -1431 for_insert = self._match_text_seq("FOR", "INSERT") -1432 for_none = self._match_text_seq("FOR", "NONE") -1433 return self.expression( -1434 exp.IsolatedLoadingProperty, -1435 no=no, -1436 concurrent=concurrent, -1437 for_all=for_all, -1438 for_insert=for_insert, -1439 for_none=for_none, -1440 ) -1441 -1442 def _parse_locking(self) -> exp.Expression: -1443 if self._match(TokenType.TABLE): -1444 kind = "TABLE" -1445 elif self._match(TokenType.VIEW): -1446 kind = "VIEW" -1447 elif self._match(TokenType.ROW): -1448 kind = "ROW" -1449 elif self._match_text_seq("DATABASE"): -1450 kind = "DATABASE" -1451 else: -1452 kind = None -1453 -1454 if kind in ("DATABASE", "TABLE", "VIEW"): -1455 this = self._parse_table_parts() -1456 else: -1457 this = None -1458 -1459 if self._match(TokenType.FOR): -1460 for_or_in = "FOR" -1461 elif self._match(TokenType.IN): -1462 for_or_in = "IN" +1372 def _parse_freespace(self) -> exp.Expression: +1373 self._match_text_seq("FREESPACE") +1374 self._match(TokenType.EQ) +1375 return self.expression( +1376 exp.FreespaceProperty, this=self._parse_number(), percent=self._match(TokenType.PERCENT) +1377 ) +1378 +1379 def _parse_mergeblockratio(self, no=False, default=False) -> exp.Expression: +1380 self._match_text_seq("MERGEBLOCKRATIO") +1381 if self._match(TokenType.EQ): +1382 return self.expression( +1383 exp.MergeBlockRatioProperty, +1384 this=self._parse_number(), +1385 percent=self._match(TokenType.PERCENT), +1386 ) +1387 else: +1388 return self.expression( +1389 exp.MergeBlockRatioProperty, +1390 no=no, +1391 default=default, +1392 ) +1393 +1394 def _parse_datablocksize(self, default=None) -> exp.Expression: +1395 if default: +1396 self._match_text_seq("DATABLOCKSIZE") +1397 return self.expression(exp.DataBlocksizeProperty, default=True) +1398 elif self._match_texts(("MIN", "MINIMUM")): +1399 self._match_text_seq("DATABLOCKSIZE") +1400 return self.expression(exp.DataBlocksizeProperty, min=True) +1401 elif self._match_texts(("MAX", "MAXIMUM")): +1402 self._match_text_seq("DATABLOCKSIZE") +1403 return self.expression(exp.DataBlocksizeProperty, min=False) +1404 +1405 self._match_text_seq("DATABLOCKSIZE") +1406 self._match(TokenType.EQ) +1407 size = self._parse_number() +1408 units = None +1409 if self._match_texts(("BYTES", "KBYTES", "KILOBYTES")): +1410 units = self._prev.text +1411 return self.expression(exp.DataBlocksizeProperty, size=size, units=units) +1412 +1413 def _parse_blockcompression(self) -> exp.Expression: +1414 self._match_text_seq("BLOCKCOMPRESSION") +1415 self._match(TokenType.EQ) +1416 always = self._match_text_seq("ALWAYS") +1417 manual = self._match_text_seq("MANUAL") +1418 never = self._match_text_seq("NEVER") +1419 default = self._match_text_seq("DEFAULT") +1420 autotemp = None +1421 if self._match_text_seq("AUTOTEMP"): +1422 autotemp = self._parse_schema() +1423 +1424 return self.expression( +1425 exp.BlockCompressionProperty, +1426 always=always, +1427 manual=manual, +1428 never=never, +1429 default=default, +1430 autotemp=autotemp, +1431 ) +1432 +1433 def _parse_withisolatedloading(self) -> exp.Expression: +1434 no = self._match_text_seq("NO") +1435 concurrent = self._match_text_seq("CONCURRENT") +1436 self._match_text_seq("ISOLATED", "LOADING") +1437 for_all = self._match_text_seq("FOR", "ALL") +1438 for_insert = self._match_text_seq("FOR", "INSERT") +1439 for_none = self._match_text_seq("FOR", "NONE") +1440 return self.expression( +1441 exp.IsolatedLoadingProperty, +1442 no=no, +1443 concurrent=concurrent, +1444 for_all=for_all, +1445 for_insert=for_insert, +1446 for_none=for_none, +1447 ) +1448 +1449 def _parse_locking(self) -> exp.Expression: +1450 if self._match(TokenType.TABLE): +1451 kind = "TABLE" +1452 elif self._match(TokenType.VIEW): +1453 kind = "VIEW" +1454 elif self._match(TokenType.ROW): +1455 kind = "ROW" +1456 elif self._match_text_seq("DATABASE"): +1457 kind = "DATABASE" +1458 else: +1459 kind = None +1460 +1461 if kind in ("DATABASE", "TABLE", "VIEW"): +1462 this = self._parse_table_parts() 1463 else: -1464 for_or_in = None +1464 this = None 1465 -1466 if self._match_text_seq("ACCESS"): -1467 lock_type = "ACCESS" -1468 elif self._match_texts(("EXCL", "EXCLUSIVE")): -1469 lock_type = "EXCLUSIVE" -1470 elif self._match_text_seq("SHARE"): -1471 lock_type = "SHARE" -1472 elif self._match_text_seq("READ"): -1473 lock_type = "READ" -1474 elif self._match_text_seq("WRITE"): -1475 lock_type = "WRITE" -1476 elif self._match_text_seq("CHECKSUM"): -1477 lock_type = "CHECKSUM" -1478 else: -1479 lock_type = None -1480 -1481 override = self._match_text_seq("OVERRIDE") -1482 -1483 return self.expression( -1484 exp.LockingProperty, -1485 this=this, -1486 kind=kind, -1487 for_or_in=for_or_in, -1488 lock_type=lock_type, -1489 override=override, -1490 ) -1491 -1492 def _parse_partition_by(self) -> t.List[t.Optional[exp.Expression]]: -1493 if self._match(TokenType.PARTITION_BY): -1494 return self._parse_csv(self._parse_conjunction) -1495 return [] -1496 -1497 def _parse_partitioned_by(self) -> exp.Expression: -1498 self._match(TokenType.EQ) -1499 return self.expression( -1500 exp.PartitionedByProperty, -1501 this=self._parse_schema() or self._parse_bracket(self._parse_field()), -1502 ) +1466 if self._match(TokenType.FOR): +1467 for_or_in = "FOR" +1468 elif self._match(TokenType.IN): +1469 for_or_in = "IN" +1470 else: +1471 for_or_in = None +1472 +1473 if self._match_text_seq("ACCESS"): +1474 lock_type = "ACCESS" +1475 elif self._match_texts(("EXCL", "EXCLUSIVE")): +1476 lock_type = "EXCLUSIVE" +1477 elif self._match_text_seq("SHARE"): +1478 lock_type = "SHARE" +1479 elif self._match_text_seq("READ"): +1480 lock_type = "READ" +1481 elif self._match_text_seq("WRITE"): +1482 lock_type = "WRITE" +1483 elif self._match_text_seq("CHECKSUM"): +1484 lock_type = "CHECKSUM" +1485 else: +1486 lock_type = None +1487 +1488 override = self._match_text_seq("OVERRIDE") +1489 +1490 return self.expression( +1491 exp.LockingProperty, +1492 this=this, +1493 kind=kind, +1494 for_or_in=for_or_in, +1495 lock_type=lock_type, +1496 override=override, +1497 ) +1498 +1499 def _parse_partition_by(self) -> t.List[t.Optional[exp.Expression]]: +1500 if self._match(TokenType.PARTITION_BY): +1501 return self._parse_csv(self._parse_conjunction) +1502 return [] 1503 -1504 def _parse_withdata(self, no=False) -> exp.Expression: -1505 if self._match_text_seq("AND", "STATISTICS"): -1506 statistics = True -1507 elif self._match_text_seq("AND", "NO", "STATISTICS"): -1508 statistics = False -1509 else: -1510 statistics = None -1511 -1512 return self.expression(exp.WithDataProperty, no=no, statistics=statistics) -1513 -1514 def _parse_noprimaryindex(self) -> exp.Expression: -1515 self._match_text_seq("PRIMARY", "INDEX") -1516 return exp.NoPrimaryIndexProperty() -1517 -1518 def _parse_oncommit(self) -> exp.Expression: -1519 self._match_text_seq("COMMIT", "PRESERVE", "ROWS") -1520 return exp.OnCommitProperty() -1521 -1522 def _parse_distkey(self) -> exp.Expression: -1523 return self.expression(exp.DistKeyProperty, this=self._parse_wrapped(self._parse_id_var)) +1504 def _parse_partitioned_by(self) -> exp.Expression: +1505 self._match(TokenType.EQ) +1506 return self.expression( +1507 exp.PartitionedByProperty, +1508 this=self._parse_schema() or self._parse_bracket(self._parse_field()), +1509 ) +1510 +1511 def _parse_withdata(self, no=False) -> exp.Expression: +1512 if self._match_text_seq("AND", "STATISTICS"): +1513 statistics = True +1514 elif self._match_text_seq("AND", "NO", "STATISTICS"): +1515 statistics = False +1516 else: +1517 statistics = None +1518 +1519 return self.expression(exp.WithDataProperty, no=no, statistics=statistics) +1520 +1521 def _parse_noprimaryindex(self) -> exp.Expression: +1522 self._match_text_seq("PRIMARY", "INDEX") +1523 return exp.NoPrimaryIndexProperty() 1524 -1525 def _parse_create_like(self) -> t.Optional[exp.Expression]: -1526 table = self._parse_table(schema=True) -1527 options = [] -1528 while self._match_texts(("INCLUDING", "EXCLUDING")): -1529 this = self._prev.text.upper() -1530 id_var = self._parse_id_var() +1525 def _parse_oncommit(self) -> exp.Expression: +1526 self._match_text_seq("COMMIT", "PRESERVE", "ROWS") +1527 return exp.OnCommitProperty() +1528 +1529 def _parse_distkey(self) -> exp.Expression: +1530 return self.expression(exp.DistKeyProperty, this=self._parse_wrapped(self._parse_id_var)) 1531 -1532 if not id_var: -1533 return None -1534 -1535 options.append( -1536 self.expression( -1537 exp.Property, -1538 this=this, -1539 value=exp.Var(this=id_var.this.upper()), -1540 ) -1541 ) -1542 return self.expression(exp.LikeProperty, this=table, expressions=options) -1543 -1544 def _parse_sortkey(self, compound: bool = False) -> exp.Expression: -1545 return self.expression( -1546 exp.SortKeyProperty, this=self._parse_wrapped_csv(self._parse_id_var), compound=compound -1547 ) -1548 -1549 def _parse_character_set(self, default: bool = False) -> exp.Expression: -1550 self._match(TokenType.EQ) -1551 return self.expression( -1552 exp.CharacterSetProperty, this=self._parse_var_or_string(), default=default -1553 ) -1554 -1555 def _parse_returns(self) -> exp.Expression: -1556 value: t.Optional[exp.Expression] -1557 is_table = self._match(TokenType.TABLE) -1558 -1559 if is_table: -1560 if self._match(TokenType.LT): -1561 value = self.expression( -1562 exp.Schema, -1563 this="TABLE", -1564 expressions=self._parse_csv(self._parse_struct_kwargs), -1565 ) -1566 if not self._match(TokenType.GT): -1567 self.raise_error("Expecting >") -1568 else: -1569 value = self._parse_schema(exp.Var(this="TABLE")) -1570 else: -1571 value = self._parse_types() -1572 -1573 return self.expression(exp.ReturnsProperty, this=value, is_table=is_table) -1574 -1575 def _parse_temporary(self, global_=False) -> exp.Expression: -1576 self._match(TokenType.TEMPORARY) # in case calling from "GLOBAL" -1577 return self.expression(exp.TemporaryProperty, global_=global_) -1578 -1579 def _parse_describe(self) -> exp.Expression: -1580 kind = self._match_set(self.CREATABLES) and self._prev.text -1581 this = self._parse_table() -1582 -1583 return self.expression(exp.Describe, this=this, kind=kind) -1584 -1585 def _parse_insert(self) -> exp.Expression: -1586 overwrite = self._match(TokenType.OVERWRITE) -1587 local = self._match(TokenType.LOCAL) -1588 alternative = None +1532 def _parse_create_like(self) -> t.Optional[exp.Expression]: +1533 table = self._parse_table(schema=True) +1534 options = [] +1535 while self._match_texts(("INCLUDING", "EXCLUDING")): +1536 this = self._prev.text.upper() +1537 id_var = self._parse_id_var() +1538 +1539 if not id_var: +1540 return None +1541 +1542 options.append( +1543 self.expression( +1544 exp.Property, +1545 this=this, +1546 value=exp.Var(this=id_var.this.upper()), +1547 ) +1548 ) +1549 return self.expression(exp.LikeProperty, this=table, expressions=options) +1550 +1551 def _parse_sortkey(self, compound: bool = False) -> exp.Expression: +1552 return self.expression( +1553 exp.SortKeyProperty, this=self._parse_wrapped_csv(self._parse_id_var), compound=compound +1554 ) +1555 +1556 def _parse_character_set(self, default: bool = False) -> exp.Expression: +1557 self._match(TokenType.EQ) +1558 return self.expression( +1559 exp.CharacterSetProperty, this=self._parse_var_or_string(), default=default +1560 ) +1561 +1562 def _parse_returns(self) -> exp.Expression: +1563 value: t.Optional[exp.Expression] +1564 is_table = self._match(TokenType.TABLE) +1565 +1566 if is_table: +1567 if self._match(TokenType.LT): +1568 value = self.expression( +1569 exp.Schema, +1570 this="TABLE", +1571 expressions=self._parse_csv(self._parse_struct_kwargs), +1572 ) +1573 if not self._match(TokenType.GT): +1574 self.raise_error("Expecting >") +1575 else: +1576 value = self._parse_schema(exp.Var(this="TABLE")) +1577 else: +1578 value = self._parse_types() +1579 +1580 return self.expression(exp.ReturnsProperty, this=value, is_table=is_table) +1581 +1582 def _parse_temporary(self, global_=False) -> exp.Expression: +1583 self._match(TokenType.TEMPORARY) # in case calling from "GLOBAL" +1584 return self.expression(exp.TemporaryProperty, global_=global_) +1585 +1586 def _parse_describe(self) -> exp.Expression: +1587 kind = self._match_set(self.CREATABLES) and self._prev.text +1588 this = self._parse_table() 1589 -1590 if self._match_text_seq("DIRECTORY"): -1591 this: t.Optional[exp.Expression] = self.expression( -1592 exp.Directory, -1593 this=self._parse_var_or_string(), -1594 local=local, -1595 row_format=self._parse_row_format(match_row=True), -1596 ) -1597 else: -1598 if self._match(TokenType.OR): -1599 alternative = self._match_texts(self.INSERT_ALTERNATIVES) and self._prev.text -1600 -1601 self._match(TokenType.INTO) -1602 self._match(TokenType.TABLE) -1603 this = self._parse_table(schema=True) -1604 -1605 return self.expression( -1606 exp.Insert, -1607 this=this, -1608 exists=self._parse_exists(), -1609 partition=self._parse_partition(), -1610 expression=self._parse_ddl_select(), -1611 conflict=self._parse_on_conflict(), -1612 returning=self._parse_returning(), -1613 overwrite=overwrite, -1614 alternative=alternative, -1615 ) -1616 -1617 def _parse_on_conflict(self) -> t.Optional[exp.Expression]: -1618 conflict = self._match_text_seq("ON", "CONFLICT") -1619 duplicate = self._match_text_seq("ON", "DUPLICATE", "KEY") -1620 -1621 if not (conflict or duplicate): -1622 return None +1590 return self.expression(exp.Describe, this=this, kind=kind) +1591 +1592 def _parse_insert(self) -> exp.Expression: +1593 overwrite = self._match(TokenType.OVERWRITE) +1594 local = self._match(TokenType.LOCAL) +1595 alternative = None +1596 +1597 if self._match_text_seq("DIRECTORY"): +1598 this: t.Optional[exp.Expression] = self.expression( +1599 exp.Directory, +1600 this=self._parse_var_or_string(), +1601 local=local, +1602 row_format=self._parse_row_format(match_row=True), +1603 ) +1604 else: +1605 if self._match(TokenType.OR): +1606 alternative = self._match_texts(self.INSERT_ALTERNATIVES) and self._prev.text +1607 +1608 self._match(TokenType.INTO) +1609 self._match(TokenType.TABLE) +1610 this = self._parse_table(schema=True) +1611 +1612 return self.expression( +1613 exp.Insert, +1614 this=this, +1615 exists=self._parse_exists(), +1616 partition=self._parse_partition(), +1617 expression=self._parse_ddl_select(), +1618 conflict=self._parse_on_conflict(), +1619 returning=self._parse_returning(), +1620 overwrite=overwrite, +1621 alternative=alternative, +1622 ) 1623 -1624 nothing = None -1625 expressions = None -1626 key = None -1627 constraint = None -1628 -1629 if conflict: -1630 if self._match_text_seq("ON", "CONSTRAINT"): -1631 constraint = self._parse_id_var() -1632 else: -1633 key = self._parse_csv(self._parse_value) -1634 -1635 self._match_text_seq("DO") -1636 if self._match_text_seq("NOTHING"): -1637 nothing = True -1638 else: -1639 self._match(TokenType.UPDATE) -1640 expressions = self._match(TokenType.SET) and self._parse_csv(self._parse_equality) +1624 def _parse_on_conflict(self) -> t.Optional[exp.Expression]: +1625 conflict = self._match_text_seq("ON", "CONFLICT") +1626 duplicate = self._match_text_seq("ON", "DUPLICATE", "KEY") +1627 +1628 if not (conflict or duplicate): +1629 return None +1630 +1631 nothing = None +1632 expressions = None +1633 key = None +1634 constraint = None +1635 +1636 if conflict: +1637 if self._match_text_seq("ON", "CONSTRAINT"): +1638 constraint = self._parse_id_var() +1639 else: +1640 key = self._parse_csv(self._parse_value) 1641 -1642 return self.expression( -1643 exp.OnConflict, -1644 duplicate=duplicate, -1645 expressions=expressions, -1646 nothing=nothing, -1647 key=key, -1648 constraint=constraint, -1649 ) -1650 -1651 def _parse_returning(self) -> t.Optional[exp.Expression]: -1652 if not self._match(TokenType.RETURNING): -1653 return None -1654 -1655 return self.expression(exp.Returning, expressions=self._parse_csv(self._parse_column)) -1656 -1657 def _parse_row(self) -> t.Optional[exp.Expression]: -1658 if not self._match(TokenType.FORMAT): -1659 return None -1660 return self._parse_row_format() +1642 self._match_text_seq("DO") +1643 if self._match_text_seq("NOTHING"): +1644 nothing = True +1645 else: +1646 self._match(TokenType.UPDATE) +1647 expressions = self._match(TokenType.SET) and self._parse_csv(self._parse_equality) +1648 +1649 return self.expression( +1650 exp.OnConflict, +1651 duplicate=duplicate, +1652 expressions=expressions, +1653 nothing=nothing, +1654 key=key, +1655 constraint=constraint, +1656 ) +1657 +1658 def _parse_returning(self) -> t.Optional[exp.Expression]: +1659 if not self._match(TokenType.RETURNING): +1660 return None 1661 -1662 def _parse_row_format(self, match_row: bool = False) -> t.Optional[exp.Expression]: -1663 if match_row and not self._match_pair(TokenType.ROW, TokenType.FORMAT): -1664 return None -1665 -1666 if self._match_text_seq("SERDE"): -1667 return self.expression(exp.RowFormatSerdeProperty, this=self._parse_string()) +1662 return self.expression(exp.Returning, expressions=self._parse_csv(self._parse_column)) +1663 +1664 def _parse_row(self) -> t.Optional[exp.Expression]: +1665 if not self._match(TokenType.FORMAT): +1666 return None +1667 return self._parse_row_format() 1668 -1669 self._match_text_seq("DELIMITED") -1670 -1671 kwargs = {} +1669 def _parse_row_format(self, match_row: bool = False) -> t.Optional[exp.Expression]: +1670 if match_row and not self._match_pair(TokenType.ROW, TokenType.FORMAT): +1671 return None 1672 -1673 if self._match_text_seq("FIELDS", "TERMINATED", "BY"): -1674 kwargs["fields"] = self._parse_string() -1675 if self._match_text_seq("ESCAPED", "BY"): -1676 kwargs["escaped"] = self._parse_string() -1677 if self._match_text_seq("COLLECTION", "ITEMS", "TERMINATED", "BY"): -1678 kwargs["collection_items"] = self._parse_string() -1679 if self._match_text_seq("MAP", "KEYS", "TERMINATED", "BY"): -1680 kwargs["map_keys"] = self._parse_string() -1681 if self._match_text_seq("LINES", "TERMINATED", "BY"): -1682 kwargs["lines"] = self._parse_string() -1683 if self._match_text_seq("NULL", "DEFINED", "AS"): -1684 kwargs["null"] = self._parse_string() -1685 -1686 return self.expression(exp.RowFormatDelimitedProperty, **kwargs) # type: ignore -1687 -1688 def _parse_load_data(self) -> exp.Expression: -1689 local = self._match(TokenType.LOCAL) -1690 self._match_text_seq("INPATH") -1691 inpath = self._parse_string() -1692 overwrite = self._match(TokenType.OVERWRITE) -1693 self._match_pair(TokenType.INTO, TokenType.TABLE) +1673 if self._match_text_seq("SERDE"): +1674 return self.expression(exp.RowFormatSerdeProperty, this=self._parse_string()) +1675 +1676 self._match_text_seq("DELIMITED") +1677 +1678 kwargs = {} +1679 +1680 if self._match_text_seq("FIELDS", "TERMINATED", "BY"): +1681 kwargs["fields"] = self._parse_string() +1682 if self._match_text_seq("ESCAPED", "BY"): +1683 kwargs["escaped"] = self._parse_string() +1684 if self._match_text_seq("COLLECTION", "ITEMS", "TERMINATED", "BY"): +1685 kwargs["collection_items"] = self._parse_string() +1686 if self._match_text_seq("MAP", "KEYS", "TERMINATED", "BY"): +1687 kwargs["map_keys"] = self._parse_string() +1688 if self._match_text_seq("LINES", "TERMINATED", "BY"): +1689 kwargs["lines"] = self._parse_string() +1690 if self._match_text_seq("NULL", "DEFINED", "AS"): +1691 kwargs["null"] = self._parse_string() +1692 +1693 return self.expression(exp.RowFormatDelimitedProperty, **kwargs) # type: ignore 1694 -1695 return self.expression( -1696 exp.LoadData, -1697 this=self._parse_table(schema=True), -1698 local=local, -1699 overwrite=overwrite, -1700 inpath=inpath, -1701 partition=self._parse_partition(), -1702 input_format=self._match_text_seq("INPUTFORMAT") and self._parse_string(), -1703 serde=self._match_text_seq("SERDE") and self._parse_string(), -1704 ) -1705 -1706 def _parse_delete(self) -> exp.Expression: -1707 self._match(TokenType.FROM) -1708 -1709 return self.expression( -1710 exp.Delete, -1711 this=self._parse_table(), -1712 using=self._parse_csv(lambda: self._match(TokenType.USING) and self._parse_table()), -1713 where=self._parse_where(), -1714 returning=self._parse_returning(), -1715 ) -1716 -1717 def _parse_update(self) -> exp.Expression: -1718 return self.expression( -1719 exp.Update, -1720 **{ # type: ignore -1721 "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS), -1722 "expressions": self._match(TokenType.SET) and self._parse_csv(self._parse_equality), -1723 "from": self._parse_from(), -1724 "where": self._parse_where(), -1725 "returning": self._parse_returning(), -1726 }, -1727 ) -1728 -1729 def _parse_uncache(self) -> exp.Expression: -1730 if not self._match(TokenType.TABLE): -1731 self.raise_error("Expecting TABLE after UNCACHE") -1732 -1733 return self.expression( -1734 exp.Uncache, -1735 exists=self._parse_exists(), -1736 this=self._parse_table(schema=True), -1737 ) -1738 -1739 def _parse_cache(self) -> exp.Expression: -1740 lazy = self._match(TokenType.LAZY) -1741 self._match(TokenType.TABLE) -1742 table = self._parse_table(schema=True) -1743 options = [] -1744 -1745 if self._match(TokenType.OPTIONS): -1746 self._match_l_paren() -1747 k = self._parse_string() -1748 self._match(TokenType.EQ) -1749 v = self._parse_string() -1750 options = [k, v] -1751 self._match_r_paren() -1752 -1753 self._match(TokenType.ALIAS) -1754 return self.expression( -1755 exp.Cache, -1756 this=table, -1757 lazy=lazy, -1758 options=options, -1759 expression=self._parse_select(nested=True), -1760 ) -1761 -1762 def _parse_partition(self) -> t.Optional[exp.Expression]: -1763 if not self._match(TokenType.PARTITION): -1764 return None -1765 -1766 return self.expression( -1767 exp.Partition, expressions=self._parse_wrapped_csv(self._parse_conjunction) -1768 ) -1769 -1770 def _parse_value(self) -> exp.Expression: -1771 if self._match(TokenType.L_PAREN): -1772 expressions = self._parse_csv(self._parse_conjunction) -1773 self._match_r_paren() -1774 return self.expression(exp.Tuple, expressions=expressions) -1775 -1776 # In presto we can have VALUES 1, 2 which results in 1 column & 2 rows. -1777 # Source: https://prestodb.io/docs/current/sql/values.html -1778 return self.expression(exp.Tuple, expressions=[self._parse_conjunction()]) -1779 -1780 def _parse_select( -1781 self, nested: bool = False, table: bool = False, parse_subquery_alias: bool = True -1782 ) -> t.Optional[exp.Expression]: -1783 cte = self._parse_with() -1784 if cte: -1785 this = self._parse_statement() +1695 def _parse_load_data(self) -> exp.Expression: +1696 local = self._match(TokenType.LOCAL) +1697 self._match_text_seq("INPATH") +1698 inpath = self._parse_string() +1699 overwrite = self._match(TokenType.OVERWRITE) +1700 self._match_pair(TokenType.INTO, TokenType.TABLE) +1701 +1702 return self.expression( +1703 exp.LoadData, +1704 this=self._parse_table(schema=True), +1705 local=local, +1706 overwrite=overwrite, +1707 inpath=inpath, +1708 partition=self._parse_partition(), +1709 input_format=self._match_text_seq("INPUTFORMAT") and self._parse_string(), +1710 serde=self._match_text_seq("SERDE") and self._parse_string(), +1711 ) +1712 +1713 def _parse_delete(self) -> exp.Expression: +1714 self._match(TokenType.FROM) +1715 +1716 return self.expression( +1717 exp.Delete, +1718 this=self._parse_table(), +1719 using=self._parse_csv(lambda: self._match(TokenType.USING) and self._parse_table()), +1720 where=self._parse_where(), +1721 returning=self._parse_returning(), +1722 ) +1723 +1724 def _parse_update(self) -> exp.Expression: +1725 return self.expression( +1726 exp.Update, +1727 **{ # type: ignore +1728 "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS), +1729 "expressions": self._match(TokenType.SET) and self._parse_csv(self._parse_equality), +1730 "from": self._parse_from(), +1731 "where": self._parse_where(), +1732 "returning": self._parse_returning(), +1733 }, +1734 ) +1735 +1736 def _parse_uncache(self) -> exp.Expression: +1737 if not self._match(TokenType.TABLE): +1738 self.raise_error("Expecting TABLE after UNCACHE") +1739 +1740 return self.expression( +1741 exp.Uncache, +1742 exists=self._parse_exists(), +1743 this=self._parse_table(schema=True), +1744 ) +1745 +1746 def _parse_cache(self) -> exp.Expression: +1747 lazy = self._match(TokenType.LAZY) +1748 self._match(TokenType.TABLE) +1749 table = self._parse_table(schema=True) +1750 options = [] +1751 +1752 if self._match(TokenType.OPTIONS): +1753 self._match_l_paren() +1754 k = self._parse_string() +1755 self._match(TokenType.EQ) +1756 v = self._parse_string() +1757 options = [k, v] +1758 self._match_r_paren() +1759 +1760 self._match(TokenType.ALIAS) +1761 return self.expression( +1762 exp.Cache, +1763 this=table, +1764 lazy=lazy, +1765 options=options, +1766 expression=self._parse_select(nested=True), +1767 ) +1768 +1769 def _parse_partition(self) -> t.Optional[exp.Expression]: +1770 if not self._match(TokenType.PARTITION): +1771 return None +1772 +1773 return self.expression( +1774 exp.Partition, expressions=self._parse_wrapped_csv(self._parse_conjunction) +1775 ) +1776 +1777 def _parse_value(self) -> exp.Expression: +1778 if self._match(TokenType.L_PAREN): +1779 expressions = self._parse_csv(self._parse_conjunction) +1780 self._match_r_paren() +1781 return self.expression(exp.Tuple, expressions=expressions) +1782 +1783 # In presto we can have VALUES 1, 2 which results in 1 column & 2 rows. +1784 # Source: https://prestodb.io/docs/current/sql/values.html +1785 return self.expression(exp.Tuple, expressions=[self._parse_conjunction()]) 1786 -1787 if not this: -1788 self.raise_error("Failed to parse any statement following CTE") -1789 return cte -1790 -1791 if "with" in this.arg_types: -1792 this.set("with", cte) -1793 else: -1794 self.raise_error(f"{this.key} does not support CTE") -1795 this = cte -1796 elif self._match(TokenType.SELECT): -1797 comments = self._prev_comments -1798 -1799 kind = ( -1800 self._match(TokenType.ALIAS) -1801 and self._match_texts(("STRUCT", "VALUE")) -1802 and self._prev.text -1803 ) -1804 hint = self._parse_hint() -1805 all_ = self._match(TokenType.ALL) -1806 distinct = self._match(TokenType.DISTINCT) -1807 -1808 if distinct: -1809 distinct = self.expression( -1810 exp.Distinct, -1811 on=self._parse_value() if self._match(TokenType.ON) else None, -1812 ) -1813 -1814 if all_ and distinct: -1815 self.raise_error("Cannot specify both ALL and DISTINCT after SELECT") -1816 -1817 limit = self._parse_limit(top=True) -1818 expressions = self._parse_csv(self._parse_expression) -1819 -1820 this = self.expression( -1821 exp.Select, -1822 kind=kind, -1823 hint=hint, -1824 distinct=distinct, -1825 expressions=expressions, -1826 limit=limit, -1827 ) -1828 this.comments = comments -1829 -1830 into = self._parse_into() -1831 if into: -1832 this.set("into", into) -1833 -1834 from_ = self._parse_from() -1835 if from_: -1836 this.set("from", from_) -1837 -1838 self._parse_query_modifiers(this) -1839 elif (table or nested) and self._match(TokenType.L_PAREN): -1840 this = self._parse_table() if table else self._parse_select(nested=True) -1841 self._parse_query_modifiers(this) -1842 this = self._parse_set_operations(this) -1843 self._match_r_paren() +1787 def _parse_select( +1788 self, nested: bool = False, table: bool = False, parse_subquery_alias: bool = True +1789 ) -> t.Optional[exp.Expression]: +1790 cte = self._parse_with() +1791 if cte: +1792 this = self._parse_statement() +1793 +1794 if not this: +1795 self.raise_error("Failed to parse any statement following CTE") +1796 return cte +1797 +1798 if "with" in this.arg_types: +1799 this.set("with", cte) +1800 else: +1801 self.raise_error(f"{this.key} does not support CTE") +1802 this = cte +1803 elif self._match(TokenType.SELECT): +1804 comments = self._prev_comments +1805 +1806 kind = ( +1807 self._match(TokenType.ALIAS) +1808 and self._match_texts(("STRUCT", "VALUE")) +1809 and self._prev.text +1810 ) +1811 hint = self._parse_hint() +1812 all_ = self._match(TokenType.ALL) +1813 distinct = self._match(TokenType.DISTINCT) +1814 +1815 if distinct: +1816 distinct = self.expression( +1817 exp.Distinct, +1818 on=self._parse_value() if self._match(TokenType.ON) else None, +1819 ) +1820 +1821 if all_ and distinct: +1822 self.raise_error("Cannot specify both ALL and DISTINCT after SELECT") +1823 +1824 limit = self._parse_limit(top=True) +1825 expressions = self._parse_csv(self._parse_expression) +1826 +1827 this = self.expression( +1828 exp.Select, +1829 kind=kind, +1830 hint=hint, +1831 distinct=distinct, +1832 expressions=expressions, +1833 limit=limit, +1834 ) +1835 this.comments = comments +1836 +1837 into = self._parse_into() +1838 if into: +1839 this.set("into", into) +1840 +1841 from_ = self._parse_from() +1842 if from_: +1843 this.set("from", from_) 1844 -1845 # early return so that subquery unions aren't parsed again -1846 # SELECT * FROM (SELECT 1) UNION ALL SELECT 1 -1847 # Union ALL should be a property of the top select node, not the subquery -1848 return self._parse_subquery(this, parse_alias=parse_subquery_alias) -1849 elif self._match(TokenType.VALUES): -1850 this = self.expression( -1851 exp.Values, -1852 expressions=self._parse_csv(self._parse_value), -1853 alias=self._parse_table_alias(), -1854 ) -1855 else: -1856 this = None -1857 -1858 return self._parse_set_operations(this) -1859 -1860 def _parse_with(self, skip_with_token: bool = False) -> t.Optional[exp.Expression]: -1861 if not skip_with_token and not self._match(TokenType.WITH): -1862 return None -1863 -1864 comments = self._prev_comments -1865 recursive = self._match(TokenType.RECURSIVE) +1845 self._parse_query_modifiers(this) +1846 elif (table or nested) and self._match(TokenType.L_PAREN): +1847 this = self._parse_table() if table else self._parse_select(nested=True) +1848 self._parse_query_modifiers(this) +1849 this = self._parse_set_operations(this) +1850 self._match_r_paren() +1851 +1852 # early return so that subquery unions aren't parsed again +1853 # SELECT * FROM (SELECT 1) UNION ALL SELECT 1 +1854 # Union ALL should be a property of the top select node, not the subquery +1855 return self._parse_subquery(this, parse_alias=parse_subquery_alias) +1856 elif self._match(TokenType.VALUES): +1857 this = self.expression( +1858 exp.Values, +1859 expressions=self._parse_csv(self._parse_value), +1860 alias=self._parse_table_alias(), +1861 ) +1862 else: +1863 this = None +1864 +1865 return self._parse_set_operations(this) 1866 -1867 expressions = [] -1868 while True: -1869 expressions.append(self._parse_cte()) +1867 def _parse_with(self, skip_with_token: bool = False) -> t.Optional[exp.Expression]: +1868 if not skip_with_token and not self._match(TokenType.WITH): +1869 return None 1870 -1871 if not self._match(TokenType.COMMA) and not self._match(TokenType.WITH): -1872 break -1873 else: -1874 self._match(TokenType.WITH) -1875 -1876 return self.expression( -1877 exp.With, comments=comments, expressions=expressions, recursive=recursive -1878 ) -1879 -1880 def _parse_cte(self) -> exp.Expression: -1881 alias = self._parse_table_alias() -1882 if not alias or not alias.this: -1883 self.raise_error("Expected CTE to have alias") -1884 -1885 self._match(TokenType.ALIAS) +1871 comments = self._prev_comments +1872 recursive = self._match(TokenType.RECURSIVE) +1873 +1874 expressions = [] +1875 while True: +1876 expressions.append(self._parse_cte()) +1877 +1878 if not self._match(TokenType.COMMA) and not self._match(TokenType.WITH): +1879 break +1880 else: +1881 self._match(TokenType.WITH) +1882 +1883 return self.expression( +1884 exp.With, comments=comments, expressions=expressions, recursive=recursive +1885 ) 1886 -1887 return self.expression( -1888 exp.CTE, -1889 this=self._parse_wrapped(self._parse_statement), -1890 alias=alias, -1891 ) -1892 -1893 def _parse_table_alias( -1894 self, alias_tokens: t.Optional[t.Collection[TokenType]] = None -1895 ) -> t.Optional[exp.Expression]: -1896 any_token = self._match(TokenType.ALIAS) -1897 alias = ( -1898 self._parse_id_var(any_token=any_token, tokens=alias_tokens or self.TABLE_ALIAS_TOKENS) -1899 or self._parse_string_as_identifier() -1900 ) -1901 -1902 index = self._index -1903 if self._match(TokenType.L_PAREN): -1904 columns = self._parse_csv(self._parse_function_parameter) -1905 self._match_r_paren() if columns else self._retreat(index) -1906 else: -1907 columns = None +1887 def _parse_cte(self) -> exp.Expression: +1888 alias = self._parse_table_alias() +1889 if not alias or not alias.this: +1890 self.raise_error("Expected CTE to have alias") +1891 +1892 self._match(TokenType.ALIAS) +1893 +1894 return self.expression( +1895 exp.CTE, +1896 this=self._parse_wrapped(self._parse_statement), +1897 alias=alias, +1898 ) +1899 +1900 def _parse_table_alias( +1901 self, alias_tokens: t.Optional[t.Collection[TokenType]] = None +1902 ) -> t.Optional[exp.Expression]: +1903 any_token = self._match(TokenType.ALIAS) +1904 alias = ( +1905 self._parse_id_var(any_token=any_token, tokens=alias_tokens or self.TABLE_ALIAS_TOKENS) +1906 or self._parse_string_as_identifier() +1907 ) 1908 -1909 if not alias and not columns: -1910 return None -1911 -1912 return self.expression(exp.TableAlias, this=alias, columns=columns) -1913 -1914 def _parse_subquery( -1915 self, this: t.Optional[exp.Expression], parse_alias: bool = True -1916 ) -> exp.Expression: -1917 return self.expression( -1918 exp.Subquery, -1919 this=this, -1920 pivots=self._parse_pivots(), -1921 alias=self._parse_table_alias() if parse_alias else None, -1922 ) -1923 -1924 def _parse_query_modifiers(self, this: t.Optional[exp.Expression]) -> None: -1925 if not isinstance(this, self.MODIFIABLES): -1926 return -1927 -1928 table = isinstance(this, exp.Table) -1929 -1930 while True: -1931 join = self._parse_join() -1932 if join: -1933 this.append("joins", join) +1909 index = self._index +1910 if self._match(TokenType.L_PAREN): +1911 columns = self._parse_csv(self._parse_function_parameter) +1912 self._match_r_paren() if columns else self._retreat(index) +1913 else: +1914 columns = None +1915 +1916 if not alias and not columns: +1917 return None +1918 +1919 return self.expression(exp.TableAlias, this=alias, columns=columns) +1920 +1921 def _parse_subquery( +1922 self, this: t.Optional[exp.Expression], parse_alias: bool = True +1923 ) -> exp.Expression: +1924 return self.expression( +1925 exp.Subquery, +1926 this=this, +1927 pivots=self._parse_pivots(), +1928 alias=self._parse_table_alias() if parse_alias else None, +1929 ) +1930 +1931 def _parse_query_modifiers(self, this: t.Optional[exp.Expression]) -> None: +1932 if not isinstance(this, self.MODIFIABLES): +1933 return 1934 -1935 lateral = None -1936 if not join: -1937 lateral = self._parse_lateral() -1938 if lateral: -1939 this.append("laterals", lateral) -1940 -1941 comma = None if table else self._match(TokenType.COMMA) -1942 if comma: -1943 this.args["from"].append("expressions", self._parse_table()) -1944 -1945 if not (lateral or join or comma): -1946 break +1935 table = isinstance(this, exp.Table) +1936 +1937 while True: +1938 join = self._parse_join() +1939 if join: +1940 this.append("joins", join) +1941 +1942 lateral = None +1943 if not join: +1944 lateral = self._parse_lateral() +1945 if lateral: +1946 this.append("laterals", lateral) 1947 -1948 for key, parser in self.QUERY_MODIFIER_PARSERS.items(): -1949 expression = parser(self) -1950 -1951 if expression: -1952 this.set(key, expression) -1953 -1954 def _parse_hint(self) -> t.Optional[exp.Expression]: -1955 if self._match(TokenType.HINT): -1956 hints = self._parse_csv(self._parse_function) -1957 if not self._match_pair(TokenType.STAR, TokenType.SLASH): -1958 self.raise_error("Expected */ after HINT") -1959 return self.expression(exp.Hint, expressions=hints) +1948 comma = None if table else self._match(TokenType.COMMA) +1949 if comma: +1950 this.args["from"].append("expressions", self._parse_table()) +1951 +1952 if not (lateral or join or comma): +1953 break +1954 +1955 for key, parser in self.QUERY_MODIFIER_PARSERS.items(): +1956 expression = parser(self) +1957 +1958 if expression: +1959 this.set(key, expression) 1960 -1961 return None -1962 -1963 def _parse_into(self) -> t.Optional[exp.Expression]: -1964 if not self._match(TokenType.INTO): -1965 return None -1966 -1967 temp = self._match(TokenType.TEMPORARY) -1968 unlogged = self._match(TokenType.UNLOGGED) -1969 self._match(TokenType.TABLE) -1970 -1971 return self.expression( -1972 exp.Into, this=self._parse_table(schema=True), temporary=temp, unlogged=unlogged -1973 ) -1974 -1975 def _parse_from(self) -> t.Optional[exp.Expression]: -1976 if not self._match(TokenType.FROM): -1977 return None -1978 -1979 return self.expression( -1980 exp.From, comments=self._prev_comments, expressions=self._parse_csv(self._parse_table) -1981 ) -1982 -1983 def _parse_match_recognize(self) -> t.Optional[exp.Expression]: -1984 if not self._match(TokenType.MATCH_RECOGNIZE): -1985 return None -1986 -1987 self._match_l_paren() -1988 -1989 partition = self._parse_partition_by() -1990 order = self._parse_order() -1991 measures = ( -1992 self._parse_csv(self._parse_expression) if self._match_text_seq("MEASURES") else None -1993 ) -1994 -1995 if self._match_text_seq("ONE", "ROW", "PER", "MATCH"): -1996 rows = exp.Var(this="ONE ROW PER MATCH") -1997 elif self._match_text_seq("ALL", "ROWS", "PER", "MATCH"): -1998 text = "ALL ROWS PER MATCH" -1999 if self._match_text_seq("SHOW", "EMPTY", "MATCHES"): -2000 text += f" SHOW EMPTY MATCHES" -2001 elif self._match_text_seq("OMIT", "EMPTY", "MATCHES"): -2002 text += f" OMIT EMPTY MATCHES" -2003 elif self._match_text_seq("WITH", "UNMATCHED", "ROWS"): -2004 text += f" WITH UNMATCHED ROWS" -2005 rows = exp.Var(this=text) -2006 else: -2007 rows = None -2008 -2009 if self._match_text_seq("AFTER", "MATCH", "SKIP"): -2010 text = "AFTER MATCH SKIP" -2011 if self._match_text_seq("PAST", "LAST", "ROW"): -2012 text += f" PAST LAST ROW" -2013 elif self._match_text_seq("TO", "NEXT", "ROW"): -2014 text += f" TO NEXT ROW" -2015 elif self._match_text_seq("TO", "FIRST"): -2016 text += f" TO FIRST {self._advance_any().text}" # type: ignore -2017 elif self._match_text_seq("TO", "LAST"): -2018 text += f" TO LAST {self._advance_any().text}" # type: ignore -2019 after = exp.Var(this=text) -2020 else: -2021 after = None -2022 -2023 if self._match_text_seq("PATTERN"): -2024 self._match_l_paren() -2025 -2026 if not self._curr: -2027 self.raise_error("Expecting )", self._curr) -2028 -2029 paren = 1 -2030 start = self._curr -2031 -2032 while self._curr and paren > 0: -2033 if self._curr.token_type == TokenType.L_PAREN: -2034 paren += 1 -2035 if self._curr.token_type == TokenType.R_PAREN: -2036 paren -= 1 -2037 end = self._prev -2038 self._advance() -2039 if paren > 0: -2040 self.raise_error("Expecting )", self._curr) -2041 pattern = exp.Var(this=self._find_sql(start, end)) -2042 else: -2043 pattern = None -2044 -2045 define = ( -2046 self._parse_csv( -2047 lambda: self.expression( -2048 exp.Alias, -2049 alias=self._parse_id_var(any_token=True), -2050 this=self._match(TokenType.ALIAS) and self._parse_conjunction(), -2051 ) -2052 ) -2053 if self._match_text_seq("DEFINE") -2054 else None -2055 ) -2056 -2057 self._match_r_paren() -2058 -2059 return self.expression( -2060 exp.MatchRecognize, -2061 partition_by=partition, -2062 order=order, -2063 measures=measures, -2064 rows=rows, -2065 after=after, -2066 pattern=pattern, -2067 define=define, -2068 alias=self._parse_table_alias(), -2069 ) -2070 -2071 def _parse_lateral(self) -> t.Optional[exp.Expression]: -2072 outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY) -2073 cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY) -2074 -2075 if outer_apply or cross_apply: -2076 this = self._parse_select(table=True) -2077 view = None -2078 outer = not cross_apply -2079 elif self._match(TokenType.LATERAL): -2080 this = self._parse_select(table=True) -2081 view = self._match(TokenType.VIEW) -2082 outer = self._match(TokenType.OUTER) -2083 else: -2084 return None -2085 -2086 if not this: -2087 this = self._parse_function() or self._parse_id_var(any_token=False) -2088 while self._match(TokenType.DOT): -2089 this = exp.Dot( -2090 this=this, -2091 expression=self._parse_function() or self._parse_id_var(any_token=False), -2092 ) -2093 -2094 table_alias: t.Optional[exp.Expression] -2095 -2096 if view: -2097 table = self._parse_id_var(any_token=False) -2098 columns = self._parse_csv(self._parse_id_var) if self._match(TokenType.ALIAS) else [] -2099 table_alias = self.expression(exp.TableAlias, this=table, columns=columns) -2100 else: -2101 table_alias = self._parse_table_alias() +1961 def _parse_hint(self) -> t.Optional[exp.Expression]: +1962 if self._match(TokenType.HINT): +1963 hints = self._parse_csv(self._parse_function) +1964 if not self._match_pair(TokenType.STAR, TokenType.SLASH): +1965 self.raise_error("Expected */ after HINT") +1966 return self.expression(exp.Hint, expressions=hints) +1967 +1968 return None +1969 +1970 def _parse_into(self) -> t.Optional[exp.Expression]: +1971 if not self._match(TokenType.INTO): +1972 return None +1973 +1974 temp = self._match(TokenType.TEMPORARY) +1975 unlogged = self._match(TokenType.UNLOGGED) +1976 self._match(TokenType.TABLE) +1977 +1978 return self.expression( +1979 exp.Into, this=self._parse_table(schema=True), temporary=temp, unlogged=unlogged +1980 ) +1981 +1982 def _parse_from(self) -> t.Optional[exp.Expression]: +1983 if not self._match(TokenType.FROM): +1984 return None +1985 +1986 return self.expression( +1987 exp.From, comments=self._prev_comments, expressions=self._parse_csv(self._parse_table) +1988 ) +1989 +1990 def _parse_match_recognize(self) -> t.Optional[exp.Expression]: +1991 if not self._match(TokenType.MATCH_RECOGNIZE): +1992 return None +1993 +1994 self._match_l_paren() +1995 +1996 partition = self._parse_partition_by() +1997 order = self._parse_order() +1998 measures = ( +1999 self._parse_csv(self._parse_expression) if self._match_text_seq("MEASURES") else None +2000 ) +2001 +2002 if self._match_text_seq("ONE", "ROW", "PER", "MATCH"): +2003 rows = exp.Var(this="ONE ROW PER MATCH") +2004 elif self._match_text_seq("ALL", "ROWS", "PER", "MATCH"): +2005 text = "ALL ROWS PER MATCH" +2006 if self._match_text_seq("SHOW", "EMPTY", "MATCHES"): +2007 text += f" SHOW EMPTY MATCHES" +2008 elif self._match_text_seq("OMIT", "EMPTY", "MATCHES"): +2009 text += f" OMIT EMPTY MATCHES" +2010 elif self._match_text_seq("WITH", "UNMATCHED", "ROWS"): +2011 text += f" WITH UNMATCHED ROWS" +2012 rows = exp.Var(this=text) +2013 else: +2014 rows = None +2015 +2016 if self._match_text_seq("AFTER", "MATCH", "SKIP"): +2017 text = "AFTER MATCH SKIP" +2018 if self._match_text_seq("PAST", "LAST", "ROW"): +2019 text += f" PAST LAST ROW" +2020 elif self._match_text_seq("TO", "NEXT", "ROW"): +2021 text += f" TO NEXT ROW" +2022 elif self._match_text_seq("TO", "FIRST"): +2023 text += f" TO FIRST {self._advance_any().text}" # type: ignore +2024 elif self._match_text_seq("TO", "LAST"): +2025 text += f" TO LAST {self._advance_any().text}" # type: ignore +2026 after = exp.Var(this=text) +2027 else: +2028 after = None +2029 +2030 if self._match_text_seq("PATTERN"): +2031 self._match_l_paren() +2032 +2033 if not self._curr: +2034 self.raise_error("Expecting )", self._curr) +2035 +2036 paren = 1 +2037 start = self._curr +2038 +2039 while self._curr and paren > 0: +2040 if self._curr.token_type == TokenType.L_PAREN: +2041 paren += 1 +2042 if self._curr.token_type == TokenType.R_PAREN: +2043 paren -= 1 +2044 end = self._prev +2045 self._advance() +2046 if paren > 0: +2047 self.raise_error("Expecting )", self._curr) +2048 pattern = exp.Var(this=self._find_sql(start, end)) +2049 else: +2050 pattern = None +2051 +2052 define = ( +2053 self._parse_csv( +2054 lambda: self.expression( +2055 exp.Alias, +2056 alias=self._parse_id_var(any_token=True), +2057 this=self._match(TokenType.ALIAS) and self._parse_conjunction(), +2058 ) +2059 ) +2060 if self._match_text_seq("DEFINE") +2061 else None +2062 ) +2063 +2064 self._match_r_paren() +2065 +2066 return self.expression( +2067 exp.MatchRecognize, +2068 partition_by=partition, +2069 order=order, +2070 measures=measures, +2071 rows=rows, +2072 after=after, +2073 pattern=pattern, +2074 define=define, +2075 alias=self._parse_table_alias(), +2076 ) +2077 +2078 def _parse_lateral(self) -> t.Optional[exp.Expression]: +2079 outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY) +2080 cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY) +2081 +2082 if outer_apply or cross_apply: +2083 this = self._parse_select(table=True) +2084 view = None +2085 outer = not cross_apply +2086 elif self._match(TokenType.LATERAL): +2087 this = self._parse_select(table=True) +2088 view = self._match(TokenType.VIEW) +2089 outer = self._match(TokenType.OUTER) +2090 else: +2091 return None +2092 +2093 if not this: +2094 this = self._parse_function() or self._parse_id_var(any_token=False) +2095 while self._match(TokenType.DOT): +2096 this = exp.Dot( +2097 this=this, +2098 expression=self._parse_function() or self._parse_id_var(any_token=False), +2099 ) +2100 +2101 table_alias: t.Optional[exp.Expression] 2102 -2103 expression = self.expression( -2104 exp.Lateral, -2105 this=this, -2106 view=view, -2107 outer=outer, -2108 alias=table_alias, -2109 ) -2110 -2111 return expression -2112 -2113 def _parse_join_side_and_kind( -2114 self, -2115 ) -> t.Tuple[t.Optional[Token], t.Optional[Token], t.Optional[Token]]: -2116 return ( -2117 self._match(TokenType.NATURAL) and self._prev, -2118 self._match_set(self.JOIN_SIDES) and self._prev, -2119 self._match_set(self.JOIN_KINDS) and self._prev, -2120 ) -2121 -2122 def _parse_join(self, skip_join_token: bool = False) -> t.Optional[exp.Expression]: -2123 index = self._index -2124 natural, side, kind = self._parse_join_side_and_kind() -2125 hint = self._prev.text if self._match_texts(self.JOIN_HINTS) else None -2126 join = self._match(TokenType.JOIN) -2127 -2128 if not skip_join_token and not join: -2129 self._retreat(index) -2130 kind = None -2131 natural = None -2132 side = None -2133 -2134 outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY, False) -2135 cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY, False) -2136 -2137 if not skip_join_token and not join and not outer_apply and not cross_apply: -2138 return None -2139 -2140 if outer_apply: -2141 side = Token(TokenType.LEFT, "LEFT") -2142 -2143 kwargs: t.Dict[ -2144 str, t.Optional[exp.Expression] | bool | str | t.List[t.Optional[exp.Expression]] -2145 ] = {"this": self._parse_table()} +2103 if view: +2104 table = self._parse_id_var(any_token=False) +2105 columns = self._parse_csv(self._parse_id_var) if self._match(TokenType.ALIAS) else [] +2106 table_alias = self.expression(exp.TableAlias, this=table, columns=columns) +2107 else: +2108 table_alias = self._parse_table_alias() +2109 +2110 expression = self.expression( +2111 exp.Lateral, +2112 this=this, +2113 view=view, +2114 outer=outer, +2115 alias=table_alias, +2116 ) +2117 +2118 return expression +2119 +2120 def _parse_join_side_and_kind( +2121 self, +2122 ) -> t.Tuple[t.Optional[Token], t.Optional[Token], t.Optional[Token]]: +2123 return ( +2124 self._match(TokenType.NATURAL) and self._prev, +2125 self._match_set(self.JOIN_SIDES) and self._prev, +2126 self._match_set(self.JOIN_KINDS) and self._prev, +2127 ) +2128 +2129 def _parse_join(self, skip_join_token: bool = False) -> t.Optional[exp.Expression]: +2130 index = self._index +2131 natural, side, kind = self._parse_join_side_and_kind() +2132 hint = self._prev.text if self._match_texts(self.JOIN_HINTS) else None +2133 join = self._match(TokenType.JOIN) +2134 +2135 if not skip_join_token and not join: +2136 self._retreat(index) +2137 kind = None +2138 natural = None +2139 side = None +2140 +2141 outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY, False) +2142 cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY, False) +2143 +2144 if not skip_join_token and not join and not outer_apply and not cross_apply: +2145 return None 2146 -2147 if natural: -2148 kwargs["natural"] = True -2149 if side: -2150 kwargs["side"] = side.text -2151 if kind: -2152 kwargs["kind"] = kind.text -2153 if hint: -2154 kwargs["hint"] = hint -2155 -2156 if self._match(TokenType.ON): -2157 kwargs["on"] = self._parse_conjunction() -2158 elif self._match(TokenType.USING): -2159 kwargs["using"] = self._parse_wrapped_id_vars() -2160 -2161 return self.expression(exp.Join, **kwargs) # type: ignore +2147 if outer_apply: +2148 side = Token(TokenType.LEFT, "LEFT") +2149 +2150 kwargs: t.Dict[ +2151 str, t.Optional[exp.Expression] | bool | str | t.List[t.Optional[exp.Expression]] +2152 ] = {"this": self._parse_table()} +2153 +2154 if natural: +2155 kwargs["natural"] = True +2156 if side: +2157 kwargs["side"] = side.text +2158 if kind: +2159 kwargs["kind"] = kind.text +2160 if hint: +2161 kwargs["hint"] = hint 2162 -2163 def _parse_index(self) -> exp.Expression: -2164 index = self._parse_id_var() -2165 self._match(TokenType.ON) -2166 self._match(TokenType.TABLE) # hive +2163 if self._match(TokenType.ON): +2164 kwargs["on"] = self._parse_conjunction() +2165 elif self._match(TokenType.USING): +2166 kwargs["using"] = self._parse_wrapped_id_vars() 2167 -2168 return self.expression( -2169 exp.Index, -2170 this=index, -2171 table=self.expression(exp.Table, this=self._parse_id_var()), -2172 columns=self._parse_expression(), -2173 ) +2168 return self.expression(exp.Join, **kwargs) # type: ignore +2169 +2170 def _parse_index(self) -> exp.Expression: +2171 index = self._parse_id_var() +2172 self._match(TokenType.ON) +2173 self._match(TokenType.TABLE) # hive 2174 -2175 def _parse_create_table_index(self) -> t.Optional[exp.Expression]: -2176 unique = self._match(TokenType.UNIQUE) -2177 primary = self._match_text_seq("PRIMARY") -2178 amp = self._match_text_seq("AMP") -2179 if not self._match(TokenType.INDEX): -2180 return None -2181 index = self._parse_id_var() -2182 columns = None -2183 if self._match(TokenType.L_PAREN, advance=False): -2184 columns = self._parse_wrapped_csv(self._parse_column) -2185 return self.expression( -2186 exp.Index, -2187 this=index, -2188 columns=columns, -2189 unique=unique, -2190 primary=primary, -2191 amp=amp, -2192 ) -2193 -2194 def _parse_table_parts(self, schema: bool = False) -> exp.Expression: -2195 catalog = None -2196 db = None -2197 -2198 table = ( -2199 (not schema and self._parse_function()) -2200 or self._parse_id_var(any_token=False) -2201 or self._parse_string_as_identifier() -2202 ) -2203 -2204 while self._match(TokenType.DOT): -2205 if catalog: -2206 # This allows nesting the table in arbitrarily many dot expressions if needed -2207 table = self.expression(exp.Dot, this=table, expression=self._parse_id_var()) -2208 else: -2209 catalog = db -2210 db = table -2211 table = self._parse_id_var() -2212 -2213 if not table: -2214 self.raise_error(f"Expected table name but got {self._curr}") -2215 -2216 return self.expression( -2217 exp.Table, this=table, db=db, catalog=catalog, pivots=self._parse_pivots() -2218 ) +2175 return self.expression( +2176 exp.Index, +2177 this=index, +2178 table=self.expression(exp.Table, this=self._parse_id_var()), +2179 columns=self._parse_expression(), +2180 ) +2181 +2182 def _parse_create_table_index(self) -> t.Optional[exp.Expression]: +2183 unique = self._match(TokenType.UNIQUE) +2184 primary = self._match_text_seq("PRIMARY") +2185 amp = self._match_text_seq("AMP") +2186 if not self._match(TokenType.INDEX): +2187 return None +2188 index = self._parse_id_var() +2189 columns = None +2190 if self._match(TokenType.L_PAREN, advance=False): +2191 columns = self._parse_wrapped_csv(self._parse_column) +2192 return self.expression( +2193 exp.Index, +2194 this=index, +2195 columns=columns, +2196 unique=unique, +2197 primary=primary, +2198 amp=amp, +2199 ) +2200 +2201 def _parse_table_parts(self, schema: bool = False) -> exp.Expression: +2202 catalog = None +2203 db = None +2204 +2205 table = ( +2206 (not schema and self._parse_function()) +2207 or self._parse_id_var(any_token=False) +2208 or self._parse_string_as_identifier() +2209 ) +2210 +2211 while self._match(TokenType.DOT): +2212 if catalog: +2213 # This allows nesting the table in arbitrarily many dot expressions if needed +2214 table = self.expression(exp.Dot, this=table, expression=self._parse_id_var()) +2215 else: +2216 catalog = db +2217 db = table +2218 table = self._parse_id_var() 2219 -2220 def _parse_table( -2221 self, schema: bool = False, alias_tokens: t.Optional[t.Collection[TokenType]] = None -2222 ) -> t.Optional[exp.Expression]: -2223 lateral = self._parse_lateral() -2224 -2225 if lateral: -2226 return lateral -2227 -2228 unnest = self._parse_unnest() -2229 -2230 if unnest: -2231 return unnest -2232 -2233 values = self._parse_derived_table_values() +2220 if not table: +2221 self.raise_error(f"Expected table name but got {self._curr}") +2222 +2223 return self.expression( +2224 exp.Table, this=table, db=db, catalog=catalog, pivots=self._parse_pivots() +2225 ) +2226 +2227 def _parse_table( +2228 self, schema: bool = False, alias_tokens: t.Optional[t.Collection[TokenType]] = None +2229 ) -> t.Optional[exp.Expression]: +2230 lateral = self._parse_lateral() +2231 +2232 if lateral: +2233 return lateral 2234 -2235 if values: -2236 return values -2237 -2238 subquery = self._parse_select(table=True) +2235 unnest = self._parse_unnest() +2236 +2237 if unnest: +2238 return unnest 2239 -2240 if subquery: -2241 if not subquery.args.get("pivots"): -2242 subquery.set("pivots", self._parse_pivots()) -2243 return subquery +2240 values = self._parse_derived_table_values() +2241 +2242 if values: +2243 return values 2244 -2245 this = self._parse_table_parts(schema=schema) +2245 subquery = self._parse_select(table=True) 2246 -2247 if schema: -2248 return self._parse_schema(this=this) -2249 -2250 if self.alias_post_tablesample: -2251 table_sample = self._parse_table_sample() -2252 -2253 alias = self._parse_table_alias(alias_tokens=alias_tokens or self.TABLE_ALIAS_TOKENS) -2254 -2255 if alias: -2256 this.set("alias", alias) -2257 -2258 if not this.args.get("pivots"): -2259 this.set("pivots", self._parse_pivots()) -2260 -2261 if self._match_pair(TokenType.WITH, TokenType.L_PAREN): -2262 this.set( -2263 "hints", -2264 self._parse_csv(lambda: self._parse_function() or self._parse_var(any_token=True)), -2265 ) -2266 self._match_r_paren() +2247 if subquery: +2248 if not subquery.args.get("pivots"): +2249 subquery.set("pivots", self._parse_pivots()) +2250 return subquery +2251 +2252 this = self._parse_table_parts(schema=schema) +2253 +2254 if schema: +2255 return self._parse_schema(this=this) +2256 +2257 if self.alias_post_tablesample: +2258 table_sample = self._parse_table_sample() +2259 +2260 alias = self._parse_table_alias(alias_tokens=alias_tokens or self.TABLE_ALIAS_TOKENS) +2261 +2262 if alias: +2263 this.set("alias", alias) +2264 +2265 if not this.args.get("pivots"): +2266 this.set("pivots", self._parse_pivots()) 2267 -2268 if not self.alias_post_tablesample: -2269 table_sample = self._parse_table_sample() -2270 -2271 if table_sample: -2272 table_sample.set("this", this) -2273 this = table_sample +2268 if self._match_pair(TokenType.WITH, TokenType.L_PAREN): +2269 this.set( +2270 "hints", +2271 self._parse_csv(lambda: self._parse_function() or self._parse_var(any_token=True)), +2272 ) +2273 self._match_r_paren() 2274 -2275 return this -2276 -2277 def _parse_unnest(self) -> t.Optional[exp.Expression]: -2278 if not self._match(TokenType.UNNEST): -2279 return None -2280 -2281 expressions = self._parse_wrapped_csv(self._parse_column) -2282 ordinality = self._match_pair(TokenType.WITH, TokenType.ORDINALITY) -2283 alias = self._parse_table_alias() -2284 -2285 if alias and self.unnest_column_only: -2286 if alias.args.get("columns"): -2287 self.raise_error("Unexpected extra column alias in unnest.") -2288 alias.set("columns", [alias.this]) -2289 alias.set("this", None) -2290 -2291 offset = None -2292 if self._match_pair(TokenType.WITH, TokenType.OFFSET): -2293 self._match(TokenType.ALIAS) -2294 offset = self._parse_id_var() or exp.Identifier(this="offset") -2295 -2296 return self.expression( -2297 exp.Unnest, -2298 expressions=expressions, -2299 ordinality=ordinality, -2300 alias=alias, -2301 offset=offset, -2302 ) -2303 -2304 def _parse_derived_table_values(self) -> t.Optional[exp.Expression]: -2305 is_derived = self._match_pair(TokenType.L_PAREN, TokenType.VALUES) -2306 if not is_derived and not self._match(TokenType.VALUES): -2307 return None -2308 -2309 expressions = self._parse_csv(self._parse_value) +2275 if not self.alias_post_tablesample: +2276 table_sample = self._parse_table_sample() +2277 +2278 if table_sample: +2279 table_sample.set("this", this) +2280 this = table_sample +2281 +2282 return this +2283 +2284 def _parse_unnest(self) -> t.Optional[exp.Expression]: +2285 if not self._match(TokenType.UNNEST): +2286 return None +2287 +2288 expressions = self._parse_wrapped_csv(self._parse_type) +2289 ordinality = self._match_pair(TokenType.WITH, TokenType.ORDINALITY) +2290 alias = self._parse_table_alias() +2291 +2292 if alias and self.unnest_column_only: +2293 if alias.args.get("columns"): +2294 self.raise_error("Unexpected extra column alias in unnest.") +2295 alias.set("columns", [alias.this]) +2296 alias.set("this", None) +2297 +2298 offset = None +2299 if self._match_pair(TokenType.WITH, TokenType.OFFSET): +2300 self._match(TokenType.ALIAS) +2301 offset = self._parse_id_var() or exp.Identifier(this="offset") +2302 +2303 return self.expression( +2304 exp.Unnest, +2305 expressions=expressions, +2306 ordinality=ordinality, +2307 alias=alias, +2308 offset=offset, +2309 ) 2310 -2311 if is_derived: -2312 self._match_r_paren() -2313 -2314 return self.expression(exp.Values, expressions=expressions, alias=self._parse_table_alias()) +2311 def _parse_derived_table_values(self) -> t.Optional[exp.Expression]: +2312 is_derived = self._match_pair(TokenType.L_PAREN, TokenType.VALUES) +2313 if not is_derived and not self._match(TokenType.VALUES): +2314 return None 2315 -2316 def _parse_table_sample(self, as_modifier: bool = False) -> t.Optional[exp.Expression]: -2317 if not self._match(TokenType.TABLE_SAMPLE) and not ( -2318 as_modifier and self._match_text_seq("USING", "SAMPLE") -2319 ): -2320 return None -2321 -2322 bucket_numerator = None -2323 bucket_denominator = None -2324 bucket_field = None -2325 percent = None -2326 rows = None -2327 size = None -2328 seed = None -2329 -2330 kind = "TABLESAMPLE" if self._prev.token_type == TokenType.TABLE_SAMPLE else "USING SAMPLE" -2331 method = self._parse_var(tokens=(TokenType.ROW,)) -2332 -2333 self._match(TokenType.L_PAREN) -2334 -2335 num = self._parse_number() +2316 expressions = self._parse_csv(self._parse_value) +2317 +2318 if is_derived: +2319 self._match_r_paren() +2320 +2321 return self.expression(exp.Values, expressions=expressions, alias=self._parse_table_alias()) +2322 +2323 def _parse_table_sample(self, as_modifier: bool = False) -> t.Optional[exp.Expression]: +2324 if not self._match(TokenType.TABLE_SAMPLE) and not ( +2325 as_modifier and self._match_text_seq("USING", "SAMPLE") +2326 ): +2327 return None +2328 +2329 bucket_numerator = None +2330 bucket_denominator = None +2331 bucket_field = None +2332 percent = None +2333 rows = None +2334 size = None +2335 seed = None 2336 -2337 if self._match(TokenType.BUCKET): -2338 bucket_numerator = self._parse_number() -2339 self._match(TokenType.OUT_OF) -2340 bucket_denominator = bucket_denominator = self._parse_number() -2341 self._match(TokenType.ON) -2342 bucket_field = self._parse_field() -2343 elif self._match_set((TokenType.PERCENT, TokenType.MOD)): -2344 percent = num -2345 elif self._match(TokenType.ROWS): -2346 rows = num -2347 else: -2348 size = num -2349 -2350 self._match(TokenType.R_PAREN) -2351 -2352 if self._match(TokenType.L_PAREN): -2353 method = self._parse_var() -2354 seed = self._match(TokenType.COMMA) and self._parse_number() -2355 self._match_r_paren() -2356 elif self._match_texts(("SEED", "REPEATABLE")): -2357 seed = self._parse_wrapped(self._parse_number) +2337 kind = ( +2338 self._prev.text if self._prev.token_type == TokenType.TABLE_SAMPLE else "USING SAMPLE" +2339 ) +2340 method = self._parse_var(tokens=(TokenType.ROW,)) +2341 +2342 self._match(TokenType.L_PAREN) +2343 +2344 num = self._parse_number() +2345 +2346 if self._match(TokenType.BUCKET): +2347 bucket_numerator = self._parse_number() +2348 self._match(TokenType.OUT_OF) +2349 bucket_denominator = bucket_denominator = self._parse_number() +2350 self._match(TokenType.ON) +2351 bucket_field = self._parse_field() +2352 elif self._match_set((TokenType.PERCENT, TokenType.MOD)): +2353 percent = num +2354 elif self._match(TokenType.ROWS): +2355 rows = num +2356 else: +2357 size = num 2358 -2359 return self.expression( -2360 exp.TableSample, -2361 method=method, -2362 bucket_numerator=bucket_numerator, -2363 bucket_denominator=bucket_denominator, -2364 bucket_field=bucket_field, -2365 percent=percent, -2366 rows=rows, -2367 size=size, -2368 seed=seed, -2369 kind=kind, -2370 ) -2371 -2372 def _parse_pivots(self) -> t.List[t.Optional[exp.Expression]]: -2373 return list(iter(self._parse_pivot, None)) -2374 -2375 def _parse_pivot(self) -> t.Optional[exp.Expression]: -2376 index = self._index -2377 -2378 if self._match(TokenType.PIVOT): -2379 unpivot = False -2380 elif self._match(TokenType.UNPIVOT): -2381 unpivot = True -2382 else: -2383 return None -2384 -2385 expressions = [] -2386 field = None -2387 -2388 if not self._match(TokenType.L_PAREN): -2389 self._retreat(index) -2390 return None -2391 -2392 if unpivot: -2393 expressions = self._parse_csv(self._parse_column) -2394 else: -2395 expressions = self._parse_csv(lambda: self._parse_alias(self._parse_function())) +2359 self._match(TokenType.R_PAREN) +2360 +2361 if self._match(TokenType.L_PAREN): +2362 method = self._parse_var() +2363 seed = self._match(TokenType.COMMA) and self._parse_number() +2364 self._match_r_paren() +2365 elif self._match_texts(("SEED", "REPEATABLE")): +2366 seed = self._parse_wrapped(self._parse_number) +2367 +2368 return self.expression( +2369 exp.TableSample, +2370 method=method, +2371 bucket_numerator=bucket_numerator, +2372 bucket_denominator=bucket_denominator, +2373 bucket_field=bucket_field, +2374 percent=percent, +2375 rows=rows, +2376 size=size, +2377 seed=seed, +2378 kind=kind, +2379 ) +2380 +2381 def _parse_pivots(self) -> t.List[t.Optional[exp.Expression]]: +2382 return list(iter(self._parse_pivot, None)) +2383 +2384 def _parse_pivot(self) -> t.Optional[exp.Expression]: +2385 index = self._index +2386 +2387 if self._match(TokenType.PIVOT): +2388 unpivot = False +2389 elif self._match(TokenType.UNPIVOT): +2390 unpivot = True +2391 else: +2392 return None +2393 +2394 expressions = [] +2395 field = None 2396 -2397 if not expressions: -2398 self.raise_error("Failed to parse PIVOT's aggregation list") -2399 -2400 if not self._match(TokenType.FOR): -2401 self.raise_error("Expecting FOR") -2402 -2403 value = self._parse_column() -2404 -2405 if not self._match(TokenType.IN): -2406 self.raise_error("Expecting IN") -2407 -2408 field = self._parse_in(value) -2409 -2410 self._match_r_paren() +2397 if not self._match(TokenType.L_PAREN): +2398 self._retreat(index) +2399 return None +2400 +2401 if unpivot: +2402 expressions = self._parse_csv(self._parse_column) +2403 else: +2404 expressions = self._parse_csv(lambda: self._parse_alias(self._parse_function())) +2405 +2406 if not expressions: +2407 self.raise_error("Failed to parse PIVOT's aggregation list") +2408 +2409 if not self._match(TokenType.FOR): +2410 self.raise_error("Expecting FOR") 2411 -2412 pivot = self.expression(exp.Pivot, expressions=expressions, field=field, unpivot=unpivot) +2412 value = self._parse_column() 2413 -2414 if not self._match_set((TokenType.PIVOT, TokenType.UNPIVOT), advance=False): -2415 pivot.set("alias", self._parse_table_alias()) +2414 if not self._match(TokenType.IN): +2415 self.raise_error("Expecting IN") 2416 -2417 if not unpivot: -2418 names = self._pivot_column_names(t.cast(t.List[exp.Expression], expressions)) -2419 -2420 columns: t.List[exp.Expression] = [] -2421 for col in pivot.args["field"].expressions: -2422 for name in names: -2423 if self.PREFIXED_PIVOT_COLUMNS: -2424 name = f"{name}_{col.alias_or_name}" if name else col.alias_or_name -2425 else: -2426 name = f"{col.alias_or_name}_{name}" if name else col.alias_or_name -2427 -2428 columns.append(exp.to_identifier(name, quoted=self.QUOTED_PIVOT_COLUMNS)) -2429 -2430 pivot.set("columns", columns) -2431 -2432 return pivot -2433 -2434 def _pivot_column_names(self, pivot_columns: t.List[exp.Expression]) -> t.List[str]: -2435 return [agg.alias for agg in pivot_columns] +2417 field = self._parse_in(value) +2418 +2419 self._match_r_paren() +2420 +2421 pivot = self.expression(exp.Pivot, expressions=expressions, field=field, unpivot=unpivot) +2422 +2423 if not self._match_set((TokenType.PIVOT, TokenType.UNPIVOT), advance=False): +2424 pivot.set("alias", self._parse_table_alias()) +2425 +2426 if not unpivot: +2427 names = self._pivot_column_names(t.cast(t.List[exp.Expression], expressions)) +2428 +2429 columns: t.List[exp.Expression] = [] +2430 for col in pivot.args["field"].expressions: +2431 for name in names: +2432 if self.PREFIXED_PIVOT_COLUMNS: +2433 name = f"{name}_{col.alias_or_name}" if name else col.alias_or_name +2434 else: +2435 name = f"{col.alias_or_name}_{name}" if name else col.alias_or_name 2436 -2437 def _parse_where(self, skip_where_token: bool = False) -> t.Optional[exp.Expression]: -2438 if not skip_where_token and not self._match(TokenType.WHERE): -2439 return None +2437 columns.append(exp.to_identifier(name, quoted=self.QUOTED_PIVOT_COLUMNS)) +2438 +2439 pivot.set("columns", columns) 2440 -2441 return self.expression( -2442 exp.Where, comments=self._prev_comments, this=self._parse_conjunction() -2443 ) -2444 -2445 def _parse_group(self, skip_group_by_token: bool = False) -> t.Optional[exp.Expression]: -2446 if not skip_group_by_token and not self._match(TokenType.GROUP_BY): -2447 return None -2448 -2449 elements = defaultdict(list) -2450 -2451 while True: -2452 expressions = self._parse_csv(self._parse_conjunction) -2453 if expressions: -2454 elements["expressions"].extend(expressions) -2455 -2456 grouping_sets = self._parse_grouping_sets() -2457 if grouping_sets: -2458 elements["grouping_sets"].extend(grouping_sets) +2441 return pivot +2442 +2443 def _pivot_column_names(self, pivot_columns: t.List[exp.Expression]) -> t.List[str]: +2444 return [agg.alias for agg in pivot_columns] +2445 +2446 def _parse_where(self, skip_where_token: bool = False) -> t.Optional[exp.Expression]: +2447 if not skip_where_token and not self._match(TokenType.WHERE): +2448 return None +2449 +2450 return self.expression( +2451 exp.Where, comments=self._prev_comments, this=self._parse_conjunction() +2452 ) +2453 +2454 def _parse_group(self, skip_group_by_token: bool = False) -> t.Optional[exp.Expression]: +2455 if not skip_group_by_token and not self._match(TokenType.GROUP_BY): +2456 return None +2457 +2458 elements = defaultdict(list) 2459 -2460 rollup = None -2461 cube = None -2462 -2463 with_ = self._match(TokenType.WITH) -2464 if self._match(TokenType.ROLLUP): -2465 rollup = with_ or self._parse_wrapped_csv(self._parse_column) -2466 elements["rollup"].extend(ensure_list(rollup)) -2467 -2468 if self._match(TokenType.CUBE): -2469 cube = with_ or self._parse_wrapped_csv(self._parse_column) -2470 elements["cube"].extend(ensure_list(cube)) +2460 while True: +2461 expressions = self._parse_csv(self._parse_conjunction) +2462 if expressions: +2463 elements["expressions"].extend(expressions) +2464 +2465 grouping_sets = self._parse_grouping_sets() +2466 if grouping_sets: +2467 elements["grouping_sets"].extend(grouping_sets) +2468 +2469 rollup = None +2470 cube = None 2471 -2472 if not (expressions or grouping_sets or rollup or cube): -2473 break -2474 -2475 return self.expression(exp.Group, **elements) # type: ignore +2472 with_ = self._match(TokenType.WITH) +2473 if self._match(TokenType.ROLLUP): +2474 rollup = with_ or self._parse_wrapped_csv(self._parse_column) +2475 elements["rollup"].extend(ensure_list(rollup)) 2476 -2477 def _parse_grouping_sets(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: -2478 if not self._match(TokenType.GROUPING_SETS): -2479 return None +2477 if self._match(TokenType.CUBE): +2478 cube = with_ or self._parse_wrapped_csv(self._parse_column) +2479 elements["cube"].extend(ensure_list(cube)) 2480 -2481 return self._parse_wrapped_csv(self._parse_grouping_set) -2482 -2483 def _parse_grouping_set(self) -> t.Optional[exp.Expression]: -2484 if self._match(TokenType.L_PAREN): -2485 grouping_set = self._parse_csv(self._parse_column) -2486 self._match_r_paren() -2487 return self.expression(exp.Tuple, expressions=grouping_set) -2488 -2489 return self._parse_column() -2490 -2491 def _parse_having(self, skip_having_token: bool = False) -> t.Optional[exp.Expression]: -2492 if not skip_having_token and not self._match(TokenType.HAVING): -2493 return None -2494 return self.expression(exp.Having, this=self._parse_conjunction()) -2495 -2496 def _parse_qualify(self) -> t.Optional[exp.Expression]: -2497 if not self._match(TokenType.QUALIFY): -2498 return None -2499 return self.expression(exp.Qualify, this=self._parse_conjunction()) -2500 -2501 def _parse_order( -2502 self, this: t.Optional[exp.Expression] = None, skip_order_token: bool = False -2503 ) -> t.Optional[exp.Expression]: -2504 if not skip_order_token and not self._match(TokenType.ORDER_BY): -2505 return this -2506 -2507 return self.expression( -2508 exp.Order, this=this, expressions=self._parse_csv(self._parse_ordered) -2509 ) -2510 -2511 def _parse_sort( -2512 self, token_type: TokenType, exp_class: t.Type[exp.Expression] -2513 ) -> t.Optional[exp.Expression]: -2514 if not self._match(token_type): -2515 return None -2516 return self.expression(exp_class, expressions=self._parse_csv(self._parse_ordered)) -2517 -2518 def _parse_ordered(self) -> exp.Expression: -2519 this = self._parse_conjunction() -2520 self._match(TokenType.ASC) -2521 is_desc = self._match(TokenType.DESC) -2522 is_nulls_first = self._match(TokenType.NULLS_FIRST) -2523 is_nulls_last = self._match(TokenType.NULLS_LAST) -2524 desc = is_desc or False -2525 asc = not desc -2526 nulls_first = is_nulls_first or False -2527 explicitly_null_ordered = is_nulls_first or is_nulls_last -2528 if ( -2529 not explicitly_null_ordered -2530 and ( -2531 (asc and self.null_ordering == "nulls_are_small") -2532 or (desc and self.null_ordering != "nulls_are_small") -2533 ) -2534 and self.null_ordering != "nulls_are_last" -2535 ): -2536 nulls_first = True -2537 -2538 return self.expression(exp.Ordered, this=this, desc=desc, nulls_first=nulls_first) -2539 -2540 def _parse_limit( -2541 self, this: t.Optional[exp.Expression] = None, top: bool = False -2542 ) -> t.Optional[exp.Expression]: -2543 if self._match(TokenType.TOP if top else TokenType.LIMIT): -2544 limit_paren = self._match(TokenType.L_PAREN) -2545 limit_exp = self.expression( -2546 exp.Limit, this=this, expression=self._parse_number() if top else self._parse_term() -2547 ) +2481 if not (expressions or grouping_sets or rollup or cube): +2482 break +2483 +2484 return self.expression(exp.Group, **elements) # type: ignore +2485 +2486 def _parse_grouping_sets(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: +2487 if not self._match(TokenType.GROUPING_SETS): +2488 return None +2489 +2490 return self._parse_wrapped_csv(self._parse_grouping_set) +2491 +2492 def _parse_grouping_set(self) -> t.Optional[exp.Expression]: +2493 if self._match(TokenType.L_PAREN): +2494 grouping_set = self._parse_csv(self._parse_column) +2495 self._match_r_paren() +2496 return self.expression(exp.Tuple, expressions=grouping_set) +2497 +2498 return self._parse_column() +2499 +2500 def _parse_having(self, skip_having_token: bool = False) -> t.Optional[exp.Expression]: +2501 if not skip_having_token and not self._match(TokenType.HAVING): +2502 return None +2503 return self.expression(exp.Having, this=self._parse_conjunction()) +2504 +2505 def _parse_qualify(self) -> t.Optional[exp.Expression]: +2506 if not self._match(TokenType.QUALIFY): +2507 return None +2508 return self.expression(exp.Qualify, this=self._parse_conjunction()) +2509 +2510 def _parse_order( +2511 self, this: t.Optional[exp.Expression] = None, skip_order_token: bool = False +2512 ) -> t.Optional[exp.Expression]: +2513 if not skip_order_token and not self._match(TokenType.ORDER_BY): +2514 return this +2515 +2516 return self.expression( +2517 exp.Order, this=this, expressions=self._parse_csv(self._parse_ordered) +2518 ) +2519 +2520 def _parse_sort( +2521 self, token_type: TokenType, exp_class: t.Type[exp.Expression] +2522 ) -> t.Optional[exp.Expression]: +2523 if not self._match(token_type): +2524 return None +2525 return self.expression(exp_class, expressions=self._parse_csv(self._parse_ordered)) +2526 +2527 def _parse_ordered(self) -> exp.Expression: +2528 this = self._parse_conjunction() +2529 self._match(TokenType.ASC) +2530 is_desc = self._match(TokenType.DESC) +2531 is_nulls_first = self._match(TokenType.NULLS_FIRST) +2532 is_nulls_last = self._match(TokenType.NULLS_LAST) +2533 desc = is_desc or False +2534 asc = not desc +2535 nulls_first = is_nulls_first or False +2536 explicitly_null_ordered = is_nulls_first or is_nulls_last +2537 if ( +2538 not explicitly_null_ordered +2539 and ( +2540 (asc and self.null_ordering == "nulls_are_small") +2541 or (desc and self.null_ordering != "nulls_are_small") +2542 ) +2543 and self.null_ordering != "nulls_are_last" +2544 ): +2545 nulls_first = True +2546 +2547 return self.expression(exp.Ordered, this=this, desc=desc, nulls_first=nulls_first) 2548 -2549 if limit_paren: -2550 self._match_r_paren() -2551 -2552 return limit_exp -2553 -2554 if self._match(TokenType.FETCH): -2555 direction = self._match_set((TokenType.FIRST, TokenType.NEXT)) -2556 direction = self._prev.text if direction else "FIRST" +2549 def _parse_limit( +2550 self, this: t.Optional[exp.Expression] = None, top: bool = False +2551 ) -> t.Optional[exp.Expression]: +2552 if self._match(TokenType.TOP if top else TokenType.LIMIT): +2553 limit_paren = self._match(TokenType.L_PAREN) +2554 limit_exp = self.expression( +2555 exp.Limit, this=this, expression=self._parse_number() if top else self._parse_term() +2556 ) 2557 -2558 count = self._parse_number() -2559 percent = self._match(TokenType.PERCENT) +2558 if limit_paren: +2559 self._match_r_paren() 2560 -2561 self._match_set((TokenType.ROW, TokenType.ROWS)) +2561 return limit_exp 2562 -2563 only = self._match(TokenType.ONLY) -2564 with_ties = self._match_text_seq("WITH", "TIES") -2565 -2566 if only and with_ties: -2567 self.raise_error("Cannot specify both ONLY and WITH TIES in FETCH clause") -2568 -2569 return self.expression( -2570 exp.Fetch, -2571 direction=direction, -2572 count=count, -2573 percent=percent, -2574 with_ties=with_ties, -2575 ) -2576 -2577 return this -2578 -2579 def _parse_offset(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]: -2580 if not self._match_set((TokenType.OFFSET, TokenType.COMMA)): -2581 return this -2582 -2583 count = self._parse_number() -2584 self._match_set((TokenType.ROW, TokenType.ROWS)) -2585 return self.expression(exp.Offset, this=this, expression=count) -2586 -2587 def _parse_lock(self) -> t.Optional[exp.Expression]: -2588 if self._match_text_seq("FOR", "UPDATE"): -2589 return self.expression(exp.Lock, update=True) -2590 if self._match_text_seq("FOR", "SHARE"): -2591 return self.expression(exp.Lock, update=False) -2592 -2593 return None -2594 -2595 def _parse_set_operations(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -2596 if not self._match_set(self.SET_OPERATIONS): -2597 return this -2598 -2599 token_type = self._prev.token_type -2600 -2601 if token_type == TokenType.UNION: -2602 expression = exp.Union -2603 elif token_type == TokenType.EXCEPT: -2604 expression = exp.Except -2605 else: -2606 expression = exp.Intersect +2563 if self._match(TokenType.FETCH): +2564 direction = self._match_set((TokenType.FIRST, TokenType.NEXT)) +2565 direction = self._prev.text if direction else "FIRST" +2566 +2567 count = self._parse_number() +2568 percent = self._match(TokenType.PERCENT) +2569 +2570 self._match_set((TokenType.ROW, TokenType.ROWS)) +2571 +2572 only = self._match(TokenType.ONLY) +2573 with_ties = self._match_text_seq("WITH", "TIES") +2574 +2575 if only and with_ties: +2576 self.raise_error("Cannot specify both ONLY and WITH TIES in FETCH clause") +2577 +2578 return self.expression( +2579 exp.Fetch, +2580 direction=direction, +2581 count=count, +2582 percent=percent, +2583 with_ties=with_ties, +2584 ) +2585 +2586 return this +2587 +2588 def _parse_offset(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]: +2589 if not self._match_set((TokenType.OFFSET, TokenType.COMMA)): +2590 return this +2591 +2592 count = self._parse_number() +2593 self._match_set((TokenType.ROW, TokenType.ROWS)) +2594 return self.expression(exp.Offset, this=this, expression=count) +2595 +2596 def _parse_lock(self) -> t.Optional[exp.Expression]: +2597 if self._match_text_seq("FOR", "UPDATE"): +2598 return self.expression(exp.Lock, update=True) +2599 if self._match_text_seq("FOR", "SHARE"): +2600 return self.expression(exp.Lock, update=False) +2601 +2602 return None +2603 +2604 def _parse_set_operations(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +2605 if not self._match_set(self.SET_OPERATIONS): +2606 return this 2607 -2608 return self.expression( -2609 expression, -2610 this=this, -2611 distinct=self._match(TokenType.DISTINCT) or not self._match(TokenType.ALL), -2612 expression=self._parse_set_operations(self._parse_select(nested=True)), -2613 ) -2614 -2615 def _parse_expression(self) -> t.Optional[exp.Expression]: -2616 return self._parse_alias(self._parse_conjunction()) -2617 -2618 def _parse_conjunction(self) -> t.Optional[exp.Expression]: -2619 return self._parse_tokens(self._parse_equality, self.CONJUNCTION) -2620 -2621 def _parse_equality(self) -> t.Optional[exp.Expression]: -2622 return self._parse_tokens(self._parse_comparison, self.EQUALITY) +2608 token_type = self._prev.token_type +2609 +2610 if token_type == TokenType.UNION: +2611 expression = exp.Union +2612 elif token_type == TokenType.EXCEPT: +2613 expression = exp.Except +2614 else: +2615 expression = exp.Intersect +2616 +2617 return self.expression( +2618 expression, +2619 this=this, +2620 distinct=self._match(TokenType.DISTINCT) or not self._match(TokenType.ALL), +2621 expression=self._parse_set_operations(self._parse_select(nested=True)), +2622 ) 2623 -2624 def _parse_comparison(self) -> t.Optional[exp.Expression]: -2625 return self._parse_tokens(self._parse_range, self.COMPARISON) +2624 def _parse_expression(self) -> t.Optional[exp.Expression]: +2625 return self._parse_alias(self._parse_conjunction()) 2626 -2627 def _parse_range(self) -> t.Optional[exp.Expression]: -2628 this = self._parse_bitwise() -2629 negate = self._match(TokenType.NOT) -2630 -2631 if self._match_set(self.RANGE_PARSERS): -2632 expression = self.RANGE_PARSERS[self._prev.token_type](self, this) -2633 if not expression: -2634 return this +2627 def _parse_conjunction(self) -> t.Optional[exp.Expression]: +2628 return self._parse_tokens(self._parse_equality, self.CONJUNCTION) +2629 +2630 def _parse_equality(self) -> t.Optional[exp.Expression]: +2631 return self._parse_tokens(self._parse_comparison, self.EQUALITY) +2632 +2633 def _parse_comparison(self) -> t.Optional[exp.Expression]: +2634 return self._parse_tokens(self._parse_range, self.COMPARISON) 2635 -2636 this = expression -2637 elif self._match(TokenType.ISNULL): -2638 this = self.expression(exp.Is, this=this, expression=exp.Null()) +2636 def _parse_range(self) -> t.Optional[exp.Expression]: +2637 this = self._parse_bitwise() +2638 negate = self._match(TokenType.NOT) 2639 -2640 # Postgres supports ISNULL and NOTNULL for conditions. -2641 # https://blog.andreiavram.ro/postgresql-null-composite-type/ -2642 if self._match(TokenType.NOTNULL): -2643 this = self.expression(exp.Is, this=this, expression=exp.Null()) -2644 this = self.expression(exp.Not, this=this) -2645 -2646 if negate: -2647 this = self.expression(exp.Not, this=this) +2640 if self._match_set(self.RANGE_PARSERS): +2641 expression = self.RANGE_PARSERS[self._prev.token_type](self, this) +2642 if not expression: +2643 return this +2644 +2645 this = expression +2646 elif self._match(TokenType.ISNULL): +2647 this = self.expression(exp.Is, this=this, expression=exp.Null()) 2648 -2649 if self._match(TokenType.IS): -2650 this = self._parse_is(this) -2651 -2652 return this -2653 -2654 def _parse_is(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -2655 index = self._index - 1 -2656 negate = self._match(TokenType.NOT) -2657 if self._match(TokenType.DISTINCT_FROM): -2658 klass = exp.NullSafeEQ if negate else exp.NullSafeNEQ -2659 return self.expression(klass, this=this, expression=self._parse_expression()) +2649 # Postgres supports ISNULL and NOTNULL for conditions. +2650 # https://blog.andreiavram.ro/postgresql-null-composite-type/ +2651 if self._match(TokenType.NOTNULL): +2652 this = self.expression(exp.Is, this=this, expression=exp.Null()) +2653 this = self.expression(exp.Not, this=this) +2654 +2655 if negate: +2656 this = self.expression(exp.Not, this=this) +2657 +2658 if self._match(TokenType.IS): +2659 this = self._parse_is(this) 2660 -2661 expression = self._parse_null() or self._parse_boolean() -2662 if not expression: -2663 self._retreat(index) -2664 return None -2665 -2666 this = self.expression(exp.Is, this=this, expression=expression) -2667 return self.expression(exp.Not, this=this) if negate else this -2668 -2669 def _parse_in(self, this: t.Optional[exp.Expression]) -> exp.Expression: -2670 unnest = self._parse_unnest() -2671 if unnest: -2672 this = self.expression(exp.In, this=this, unnest=unnest) -2673 elif self._match(TokenType.L_PAREN): -2674 expressions = self._parse_csv(self._parse_select_or_expression) -2675 -2676 if len(expressions) == 1 and isinstance(expressions[0], exp.Subqueryable): -2677 this = self.expression(exp.In, this=this, query=expressions[0]) -2678 else: -2679 this = self.expression(exp.In, this=this, expressions=expressions) -2680 -2681 self._match_r_paren() -2682 else: -2683 this = self.expression(exp.In, this=this, field=self._parse_field()) +2661 return this +2662 +2663 def _parse_is(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +2664 index = self._index - 1 +2665 negate = self._match(TokenType.NOT) +2666 if self._match(TokenType.DISTINCT_FROM): +2667 klass = exp.NullSafeEQ if negate else exp.NullSafeNEQ +2668 return self.expression(klass, this=this, expression=self._parse_expression()) +2669 +2670 expression = self._parse_null() or self._parse_boolean() +2671 if not expression: +2672 self._retreat(index) +2673 return None +2674 +2675 this = self.expression(exp.Is, this=this, expression=expression) +2676 return self.expression(exp.Not, this=this) if negate else this +2677 +2678 def _parse_in(self, this: t.Optional[exp.Expression]) -> exp.Expression: +2679 unnest = self._parse_unnest() +2680 if unnest: +2681 this = self.expression(exp.In, this=this, unnest=unnest) +2682 elif self._match(TokenType.L_PAREN): +2683 expressions = self._parse_csv(self._parse_select_or_expression) 2684 -2685 return this -2686 -2687 def _parse_between(self, this: exp.Expression) -> exp.Expression: -2688 low = self._parse_bitwise() -2689 self._match(TokenType.AND) -2690 high = self._parse_bitwise() -2691 return self.expression(exp.Between, this=this, low=low, high=high) -2692 -2693 def _parse_escape(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -2694 if not self._match(TokenType.ESCAPE): -2695 return this -2696 return self.expression(exp.Escape, this=this, expression=self._parse_string()) -2697 -2698 def _parse_interval(self) -> t.Optional[exp.Expression]: -2699 if not self._match(TokenType.INTERVAL): -2700 return None +2685 if len(expressions) == 1 and isinstance(expressions[0], exp.Subqueryable): +2686 this = self.expression(exp.In, this=this, query=expressions[0]) +2687 else: +2688 this = self.expression(exp.In, this=this, expressions=expressions) +2689 +2690 self._match_r_paren() +2691 else: +2692 this = self.expression(exp.In, this=this, field=self._parse_field()) +2693 +2694 return this +2695 +2696 def _parse_between(self, this: exp.Expression) -> exp.Expression: +2697 low = self._parse_bitwise() +2698 self._match(TokenType.AND) +2699 high = self._parse_bitwise() +2700 return self.expression(exp.Between, this=this, low=low, high=high) 2701 -2702 this = self._parse_primary() or self._parse_term() -2703 unit = self._parse_function() or self._parse_var() -2704 -2705 # Most dialects support, e.g., the form INTERVAL '5' day, thus we try to parse -2706 # each INTERVAL expression into this canonical form so it's easy to transpile -2707 if this and isinstance(this, exp.Literal): -2708 if this.is_number: -2709 this = exp.Literal.string(this.name) +2702 def _parse_escape(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +2703 if not self._match(TokenType.ESCAPE): +2704 return this +2705 return self.expression(exp.Escape, this=this, expression=self._parse_string()) +2706 +2707 def _parse_interval(self) -> t.Optional[exp.Expression]: +2708 if not self._match(TokenType.INTERVAL): +2709 return None 2710 -2711 # Try to not clutter Snowflake's multi-part intervals like INTERVAL '1 day, 1 year' -2712 parts = this.name.split() -2713 if not unit and len(parts) <= 2: -2714 this = exp.Literal.string(seq_get(parts, 0)) -2715 unit = self.expression(exp.Var, this=seq_get(parts, 1)) -2716 -2717 return self.expression(exp.Interval, this=this, unit=unit) -2718 -2719 def _parse_bitwise(self) -> t.Optional[exp.Expression]: -2720 this = self._parse_term() -2721 -2722 while True: -2723 if self._match_set(self.BITWISE): -2724 this = self.expression( -2725 self.BITWISE[self._prev.token_type], -2726 this=this, -2727 expression=self._parse_term(), -2728 ) -2729 elif self._match_pair(TokenType.LT, TokenType.LT): -2730 this = self.expression( -2731 exp.BitwiseLeftShift, this=this, expression=self._parse_term() -2732 ) -2733 elif self._match_pair(TokenType.GT, TokenType.GT): -2734 this = self.expression( -2735 exp.BitwiseRightShift, this=this, expression=self._parse_term() -2736 ) -2737 else: -2738 break -2739 -2740 return this -2741 -2742 def _parse_term(self) -> t.Optional[exp.Expression]: -2743 return self._parse_tokens(self._parse_factor, self.TERM) -2744 -2745 def _parse_factor(self) -> t.Optional[exp.Expression]: -2746 return self._parse_tokens(self._parse_unary, self.FACTOR) -2747 -2748 def _parse_unary(self) -> t.Optional[exp.Expression]: -2749 if self._match_set(self.UNARY_PARSERS): -2750 return self.UNARY_PARSERS[self._prev.token_type](self) -2751 return self._parse_at_time_zone(self._parse_type()) -2752 -2753 def _parse_type(self) -> t.Optional[exp.Expression]: -2754 interval = self._parse_interval() -2755 if interval: -2756 return interval -2757 -2758 index = self._index -2759 data_type = self._parse_types(check_func=True) -2760 this = self._parse_column() +2711 this = self._parse_primary() or self._parse_term() +2712 unit = self._parse_function() or self._parse_var() +2713 +2714 # Most dialects support, e.g., the form INTERVAL '5' day, thus we try to parse +2715 # each INTERVAL expression into this canonical form so it's easy to transpile +2716 if this and isinstance(this, exp.Literal): +2717 if this.is_number: +2718 this = exp.Literal.string(this.name) +2719 +2720 # Try to not clutter Snowflake's multi-part intervals like INTERVAL '1 day, 1 year' +2721 parts = this.name.split() +2722 if not unit and len(parts) <= 2: +2723 this = exp.Literal.string(seq_get(parts, 0)) +2724 unit = self.expression(exp.Var, this=seq_get(parts, 1)) +2725 +2726 return self.expression(exp.Interval, this=this, unit=unit) +2727 +2728 def _parse_bitwise(self) -> t.Optional[exp.Expression]: +2729 this = self._parse_term() +2730 +2731 while True: +2732 if self._match_set(self.BITWISE): +2733 this = self.expression( +2734 self.BITWISE[self._prev.token_type], +2735 this=this, +2736 expression=self._parse_term(), +2737 ) +2738 elif self._match_pair(TokenType.LT, TokenType.LT): +2739 this = self.expression( +2740 exp.BitwiseLeftShift, this=this, expression=self._parse_term() +2741 ) +2742 elif self._match_pair(TokenType.GT, TokenType.GT): +2743 this = self.expression( +2744 exp.BitwiseRightShift, this=this, expression=self._parse_term() +2745 ) +2746 else: +2747 break +2748 +2749 return this +2750 +2751 def _parse_term(self) -> t.Optional[exp.Expression]: +2752 return self._parse_tokens(self._parse_factor, self.TERM) +2753 +2754 def _parse_factor(self) -> t.Optional[exp.Expression]: +2755 return self._parse_tokens(self._parse_unary, self.FACTOR) +2756 +2757 def _parse_unary(self) -> t.Optional[exp.Expression]: +2758 if self._match_set(self.UNARY_PARSERS): +2759 return self.UNARY_PARSERS[self._prev.token_type](self) +2760 return self._parse_at_time_zone(self._parse_type()) 2761 -2762 if data_type: -2763 if isinstance(this, exp.Literal): -2764 parser = self.TYPE_LITERAL_PARSERS.get(data_type.this) -2765 if parser: -2766 return parser(self, this, data_type) -2767 return self.expression(exp.Cast, this=this, to=data_type) -2768 if not data_type.args.get("expressions"): -2769 self._retreat(index) -2770 return self._parse_column() -2771 return data_type -2772 -2773 return this -2774 -2775 def _parse_types(self, check_func: bool = False) -> t.Optional[exp.Expression]: -2776 index = self._index -2777 -2778 prefix = self._match_text_seq("SYSUDTLIB", ".") -2779 -2780 if not self._match_set(self.TYPE_TOKENS): -2781 return None -2782 -2783 type_token = self._prev.token_type -2784 -2785 if type_token == TokenType.PSEUDO_TYPE: -2786 return self.expression(exp.PseudoType, this=self._prev.text) -2787 -2788 nested = type_token in self.NESTED_TYPE_TOKENS -2789 is_struct = type_token == TokenType.STRUCT -2790 expressions = None -2791 maybe_func = False -2792 -2793 if self._match(TokenType.L_PAREN): -2794 if is_struct: -2795 expressions = self._parse_csv(self._parse_struct_kwargs) -2796 elif nested: -2797 expressions = self._parse_csv(self._parse_types) -2798 else: -2799 expressions = self._parse_csv(self._parse_conjunction) -2800 -2801 if not expressions: -2802 self._retreat(index) -2803 return None -2804 -2805 self._match_r_paren() -2806 maybe_func = True -2807 -2808 if self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET): -2809 this = exp.DataType( -2810 this=exp.DataType.Type.ARRAY, -2811 expressions=[exp.DataType.build(type_token.value, expressions=expressions)], -2812 nested=True, -2813 ) -2814 -2815 while self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET): -2816 this = exp.DataType( -2817 this=exp.DataType.Type.ARRAY, -2818 expressions=[this], -2819 nested=True, -2820 ) -2821 -2822 return this -2823 -2824 if self._match(TokenType.L_BRACKET): -2825 self._retreat(index) -2826 return None -2827 -2828 values: t.Optional[t.List[t.Optional[exp.Expression]]] = None -2829 if nested and self._match(TokenType.LT): -2830 if is_struct: -2831 expressions = self._parse_csv(self._parse_struct_kwargs) -2832 else: -2833 expressions = self._parse_csv(self._parse_types) -2834 -2835 if not self._match(TokenType.GT): -2836 self.raise_error("Expecting >") -2837 -2838 if self._match_set((TokenType.L_BRACKET, TokenType.L_PAREN)): -2839 values = self._parse_csv(self._parse_conjunction) -2840 self._match_set((TokenType.R_BRACKET, TokenType.R_PAREN)) -2841 -2842 value: t.Optional[exp.Expression] = None -2843 if type_token in self.TIMESTAMPS: -2844 if self._match(TokenType.WITH_TIME_ZONE) or type_token == TokenType.TIMESTAMPTZ: -2845 value = exp.DataType(this=exp.DataType.Type.TIMESTAMPTZ, expressions=expressions) -2846 elif ( -2847 self._match(TokenType.WITH_LOCAL_TIME_ZONE) or type_token == TokenType.TIMESTAMPLTZ -2848 ): -2849 value = exp.DataType(this=exp.DataType.Type.TIMESTAMPLTZ, expressions=expressions) -2850 elif self._match(TokenType.WITHOUT_TIME_ZONE): -2851 if type_token == TokenType.TIME: -2852 value = exp.DataType(this=exp.DataType.Type.TIME, expressions=expressions) -2853 else: -2854 value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions) -2855 -2856 maybe_func = maybe_func and value is None -2857 -2858 if value is None: -2859 value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions) -2860 elif type_token == TokenType.INTERVAL: -2861 unit = self._parse_var() -2862 -2863 if not unit: -2864 value = self.expression(exp.DataType, this=exp.DataType.Type.INTERVAL) -2865 else: -2866 value = self.expression(exp.Interval, unit=unit) -2867 -2868 if maybe_func and check_func: -2869 index2 = self._index -2870 peek = self._parse_string() -2871 -2872 if not peek: -2873 self._retreat(index) -2874 return None +2762 def _parse_type(self) -> t.Optional[exp.Expression]: +2763 interval = self._parse_interval() +2764 if interval: +2765 return interval +2766 +2767 index = self._index +2768 data_type = self._parse_types(check_func=True) +2769 this = self._parse_column() +2770 +2771 if data_type: +2772 if isinstance(this, exp.Literal): +2773 parser = self.TYPE_LITERAL_PARSERS.get(data_type.this) +2774 if parser: +2775 return parser(self, this, data_type) +2776 return self.expression(exp.Cast, this=this, to=data_type) +2777 if not data_type.args.get("expressions"): +2778 self._retreat(index) +2779 return self._parse_column() +2780 return data_type +2781 +2782 return this +2783 +2784 def _parse_types(self, check_func: bool = False) -> t.Optional[exp.Expression]: +2785 index = self._index +2786 +2787 prefix = self._match_text_seq("SYSUDTLIB", ".") +2788 +2789 if not self._match_set(self.TYPE_TOKENS): +2790 return None +2791 +2792 type_token = self._prev.token_type +2793 +2794 if type_token == TokenType.PSEUDO_TYPE: +2795 return self.expression(exp.PseudoType, this=self._prev.text) +2796 +2797 nested = type_token in self.NESTED_TYPE_TOKENS +2798 is_struct = type_token == TokenType.STRUCT +2799 expressions = None +2800 maybe_func = False +2801 +2802 if self._match(TokenType.L_PAREN): +2803 if is_struct: +2804 expressions = self._parse_csv(self._parse_struct_kwargs) +2805 elif nested: +2806 expressions = self._parse_csv(self._parse_types) +2807 else: +2808 expressions = self._parse_csv(self._parse_conjunction) +2809 +2810 if not expressions or not self._match(TokenType.R_PAREN): +2811 self._retreat(index) +2812 return None +2813 +2814 maybe_func = True +2815 +2816 if self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET): +2817 this = exp.DataType( +2818 this=exp.DataType.Type.ARRAY, +2819 expressions=[exp.DataType.build(type_token.value, expressions=expressions)], +2820 nested=True, +2821 ) +2822 +2823 while self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET): +2824 this = exp.DataType( +2825 this=exp.DataType.Type.ARRAY, +2826 expressions=[this], +2827 nested=True, +2828 ) +2829 +2830 return this +2831 +2832 if self._match(TokenType.L_BRACKET): +2833 self._retreat(index) +2834 return None +2835 +2836 values: t.Optional[t.List[t.Optional[exp.Expression]]] = None +2837 if nested and self._match(TokenType.LT): +2838 if is_struct: +2839 expressions = self._parse_csv(self._parse_struct_kwargs) +2840 else: +2841 expressions = self._parse_csv(self._parse_types) +2842 +2843 if not self._match(TokenType.GT): +2844 self.raise_error("Expecting >") +2845 +2846 if self._match_set((TokenType.L_BRACKET, TokenType.L_PAREN)): +2847 values = self._parse_csv(self._parse_conjunction) +2848 self._match_set((TokenType.R_BRACKET, TokenType.R_PAREN)) +2849 +2850 value: t.Optional[exp.Expression] = None +2851 if type_token in self.TIMESTAMPS: +2852 if self._match(TokenType.WITH_TIME_ZONE) or type_token == TokenType.TIMESTAMPTZ: +2853 value = exp.DataType(this=exp.DataType.Type.TIMESTAMPTZ, expressions=expressions) +2854 elif ( +2855 self._match(TokenType.WITH_LOCAL_TIME_ZONE) or type_token == TokenType.TIMESTAMPLTZ +2856 ): +2857 value = exp.DataType(this=exp.DataType.Type.TIMESTAMPLTZ, expressions=expressions) +2858 elif self._match(TokenType.WITHOUT_TIME_ZONE): +2859 if type_token == TokenType.TIME: +2860 value = exp.DataType(this=exp.DataType.Type.TIME, expressions=expressions) +2861 else: +2862 value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions) +2863 +2864 maybe_func = maybe_func and value is None +2865 +2866 if value is None: +2867 value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions) +2868 elif type_token == TokenType.INTERVAL: +2869 unit = self._parse_var() +2870 +2871 if not unit: +2872 value = self.expression(exp.DataType, this=exp.DataType.Type.INTERVAL) +2873 else: +2874 value = self.expression(exp.Interval, unit=unit) 2875 -2876 self._retreat(index2) -2877 -2878 if value: -2879 return value -2880 -2881 return exp.DataType( -2882 this=exp.DataType.Type[type_token.value.upper()], -2883 expressions=expressions, -2884 nested=nested, -2885 values=values, -2886 prefix=prefix, -2887 ) +2876 if maybe_func and check_func: +2877 index2 = self._index +2878 peek = self._parse_string() +2879 +2880 if not peek: +2881 self._retreat(index) +2882 return None +2883 +2884 self._retreat(index2) +2885 +2886 if value: +2887 return value 2888 -2889 def _parse_struct_kwargs(self) -> t.Optional[exp.Expression]: -2890 index = self._index -2891 this = self._parse_id_var() -2892 self._match(TokenType.COLON) -2893 data_type = self._parse_types() -2894 -2895 if not data_type: -2896 self._retreat(index) -2897 return self._parse_types() -2898 return self.expression(exp.StructKwarg, this=this, expression=data_type) -2899 -2900 def _parse_at_time_zone(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -2901 if not self._match(TokenType.AT_TIME_ZONE): -2902 return this -2903 return self.expression(exp.AtTimeZone, this=this, zone=self._parse_unary()) -2904 -2905 def _parse_column(self) -> t.Optional[exp.Expression]: -2906 this = self._parse_field() -2907 if isinstance(this, exp.Identifier): -2908 this = self.expression(exp.Column, this=this) -2909 elif not this: -2910 return self._parse_bracket(this) -2911 this = self._parse_bracket(this) +2889 return exp.DataType( +2890 this=exp.DataType.Type[type_token.value.upper()], +2891 expressions=expressions, +2892 nested=nested, +2893 values=values, +2894 prefix=prefix, +2895 ) +2896 +2897 def _parse_struct_kwargs(self) -> t.Optional[exp.Expression]: +2898 index = self._index +2899 this = self._parse_id_var() +2900 self._match(TokenType.COLON) +2901 data_type = self._parse_types() +2902 +2903 if not data_type: +2904 self._retreat(index) +2905 return self._parse_types() +2906 return self.expression(exp.StructKwarg, this=this, expression=data_type) +2907 +2908 def _parse_at_time_zone(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +2909 if not self._match(TokenType.AT_TIME_ZONE): +2910 return this +2911 return self.expression(exp.AtTimeZone, this=this, zone=self._parse_unary()) 2912 -2913 while self._match_set(self.COLUMN_OPERATORS): -2914 op_token = self._prev.token_type -2915 op = self.COLUMN_OPERATORS.get(op_token) -2916 -2917 if op_token == TokenType.DCOLON: -2918 field = self._parse_types() -2919 if not field: -2920 self.raise_error("Expected type") -2921 elif op: -2922 self._advance() -2923 value = self._prev.text -2924 field = ( -2925 exp.Literal.number(value) -2926 if self._prev.token_type == TokenType.NUMBER -2927 else exp.Literal.string(value) -2928 ) -2929 else: -2930 field = self._parse_star() or self._parse_function() or self._parse_id_var() -2931 -2932 if isinstance(field, exp.Func): -2933 # bigquery allows function calls like x.y.count(...) -2934 # SAFE.SUBSTR(...) -2935 # https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-reference#function_call_rules -2936 this = self._replace_columns_with_dots(this) -2937 -2938 if op: -2939 this = op(self, this, field) -2940 elif isinstance(this, exp.Column) and not this.args.get("catalog"): -2941 this = self.expression( -2942 exp.Column, -2943 this=field, -2944 table=this.this, -2945 db=this.args.get("table"), -2946 catalog=this.args.get("db"), -2947 ) -2948 else: -2949 this = self.expression(exp.Dot, this=this, expression=field) -2950 this = self._parse_bracket(this) -2951 -2952 return this -2953 -2954 def _parse_primary(self) -> t.Optional[exp.Expression]: -2955 if self._match_set(self.PRIMARY_PARSERS): -2956 token_type = self._prev.token_type -2957 primary = self.PRIMARY_PARSERS[token_type](self, self._prev) -2958 -2959 if token_type == TokenType.STRING: -2960 expressions = [primary] -2961 while self._match(TokenType.STRING): -2962 expressions.append(exp.Literal.string(self._prev.text)) -2963 if len(expressions) > 1: -2964 return self.expression(exp.Concat, expressions=expressions) -2965 return primary -2966 -2967 if self._match_pair(TokenType.DOT, TokenType.NUMBER): -2968 return exp.Literal.number(f"0.{self._prev.text}") -2969 -2970 if self._match(TokenType.L_PAREN): -2971 comments = self._prev_comments -2972 query = self._parse_select() -2973 -2974 if query: -2975 expressions = [query] -2976 else: -2977 expressions = self._parse_csv( -2978 lambda: self._parse_alias(self._parse_conjunction(), explicit=True) -2979 ) -2980 -2981 this = seq_get(expressions, 0) -2982 self._parse_query_modifiers(this) -2983 -2984 if isinstance(this, exp.Subqueryable): -2985 this = self._parse_set_operations( -2986 self._parse_subquery(this=this, parse_alias=False) -2987 ) -2988 elif len(expressions) > 1: -2989 this = self.expression(exp.Tuple, expressions=expressions) -2990 else: -2991 this = self.expression(exp.Paren, this=self._parse_set_operations(this)) +2913 def _parse_column(self) -> t.Optional[exp.Expression]: +2914 this = self._parse_field() +2915 if isinstance(this, exp.Identifier): +2916 this = self.expression(exp.Column, this=this) +2917 elif not this: +2918 return self._parse_bracket(this) +2919 this = self._parse_bracket(this) +2920 +2921 while self._match_set(self.COLUMN_OPERATORS): +2922 op_token = self._prev.token_type +2923 op = self.COLUMN_OPERATORS.get(op_token) +2924 +2925 if op_token == TokenType.DCOLON: +2926 field = self._parse_types() +2927 if not field: +2928 self.raise_error("Expected type") +2929 elif op: +2930 self._advance() +2931 value = self._prev.text +2932 field = ( +2933 exp.Literal.number(value) +2934 if self._prev.token_type == TokenType.NUMBER +2935 else exp.Literal.string(value) +2936 ) +2937 else: +2938 field = ( +2939 self._parse_star() +2940 or self._parse_function(anonymous=True) +2941 or self._parse_id_var() +2942 ) +2943 +2944 if isinstance(field, exp.Func): +2945 # bigquery allows function calls like x.y.count(...) +2946 # SAFE.SUBSTR(...) +2947 # https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-reference#function_call_rules +2948 this = self._replace_columns_with_dots(this) +2949 +2950 if op: +2951 this = op(self, this, field) +2952 elif isinstance(this, exp.Column) and not this.args.get("catalog"): +2953 this = self.expression( +2954 exp.Column, +2955 this=field, +2956 table=this.this, +2957 db=this.args.get("table"), +2958 catalog=this.args.get("db"), +2959 ) +2960 else: +2961 this = self.expression(exp.Dot, this=this, expression=field) +2962 this = self._parse_bracket(this) +2963 +2964 return this +2965 +2966 def _parse_primary(self) -> t.Optional[exp.Expression]: +2967 if self._match_set(self.PRIMARY_PARSERS): +2968 token_type = self._prev.token_type +2969 primary = self.PRIMARY_PARSERS[token_type](self, self._prev) +2970 +2971 if token_type == TokenType.STRING: +2972 expressions = [primary] +2973 while self._match(TokenType.STRING): +2974 expressions.append(exp.Literal.string(self._prev.text)) +2975 if len(expressions) > 1: +2976 return self.expression(exp.Concat, expressions=expressions) +2977 return primary +2978 +2979 if self._match_pair(TokenType.DOT, TokenType.NUMBER): +2980 return exp.Literal.number(f"0.{self._prev.text}") +2981 +2982 if self._match(TokenType.L_PAREN): +2983 comments = self._prev_comments +2984 query = self._parse_select() +2985 +2986 if query: +2987 expressions = [query] +2988 else: +2989 expressions = self._parse_csv( +2990 lambda: self._parse_alias(self._parse_conjunction(), explicit=True) +2991 ) 2992 -2993 self._match_r_paren() -2994 comments.extend(self._prev_comments) +2993 this = seq_get(expressions, 0) +2994 self._parse_query_modifiers(this) 2995 -2996 if this and comments: -2997 this.comments = comments -2998 -2999 return this -3000 -3001 return None -3002 -3003 def _parse_field( -3004 self, -3005 any_token: bool = False, -3006 tokens: t.Optional[t.Collection[TokenType]] = None, -3007 ) -> t.Optional[exp.Expression]: -3008 return ( -3009 self._parse_primary() -3010 or self._parse_function() -3011 or self._parse_id_var(any_token=any_token, tokens=tokens) -3012 ) -3013 -3014 def _parse_function( -3015 self, functions: t.Optional[t.Dict[str, t.Callable]] = None -3016 ) -> t.Optional[exp.Expression]: -3017 if not self._curr: -3018 return None -3019 -3020 token_type = self._curr.token_type -3021 -3022 if self._match_set(self.NO_PAREN_FUNCTION_PARSERS): -3023 return self.NO_PAREN_FUNCTION_PARSERS[token_type](self) -3024 -3025 if not self._next or self._next.token_type != TokenType.L_PAREN: -3026 if token_type in self.NO_PAREN_FUNCTIONS: -3027 self._advance() -3028 return self.expression(self.NO_PAREN_FUNCTIONS[token_type]) -3029 +2996 if isinstance(this, exp.Subqueryable): +2997 this = self._parse_set_operations( +2998 self._parse_subquery(this=this, parse_alias=False) +2999 ) +3000 elif len(expressions) > 1: +3001 this = self.expression(exp.Tuple, expressions=expressions) +3002 else: +3003 this = self.expression(exp.Paren, this=self._parse_set_operations(this)) +3004 +3005 self._match_r_paren() +3006 comments.extend(self._prev_comments) +3007 +3008 if this and comments: +3009 this.comments = comments +3010 +3011 return this +3012 +3013 return None +3014 +3015 def _parse_field( +3016 self, +3017 any_token: bool = False, +3018 tokens: t.Optional[t.Collection[TokenType]] = None, +3019 ) -> t.Optional[exp.Expression]: +3020 return ( +3021 self._parse_primary() +3022 or self._parse_function() +3023 or self._parse_id_var(any_token=any_token, tokens=tokens) +3024 ) +3025 +3026 def _parse_function( +3027 self, functions: t.Optional[t.Dict[str, t.Callable]] = None, anonymous: bool = False +3028 ) -> t.Optional[exp.Expression]: +3029 if not self._curr: 3030 return None 3031 -3032 if token_type not in self.FUNC_TOKENS: -3033 return None -3034 -3035 this = self._curr.text -3036 upper = this.upper() -3037 self._advance(2) -3038 -3039 parser = self.FUNCTION_PARSERS.get(upper) -3040 -3041 if parser: -3042 this = parser(self) -3043 else: -3044 subquery_predicate = self.SUBQUERY_PREDICATES.get(token_type) -3045 -3046 if subquery_predicate and self._curr.token_type in (TokenType.SELECT, TokenType.WITH): -3047 this = self.expression(subquery_predicate, this=self._parse_select()) -3048 self._match_r_paren() -3049 return this +3032 token_type = self._curr.token_type +3033 +3034 if self._match_set(self.NO_PAREN_FUNCTION_PARSERS): +3035 return self.NO_PAREN_FUNCTION_PARSERS[token_type](self) +3036 +3037 if not self._next or self._next.token_type != TokenType.L_PAREN: +3038 if token_type in self.NO_PAREN_FUNCTIONS: +3039 self._advance() +3040 return self.expression(self.NO_PAREN_FUNCTIONS[token_type]) +3041 +3042 return None +3043 +3044 if token_type not in self.FUNC_TOKENS: +3045 return None +3046 +3047 this = self._curr.text +3048 upper = this.upper() +3049 self._advance(2) 3050 -3051 if functions is None: -3052 functions = self.FUNCTIONS -3053 -3054 function = functions.get(upper) -3055 args = self._parse_csv(self._parse_lambda) -3056 -3057 if function: -3058 # Clickhouse supports function calls like foo(x, y)(z), so for these we need to also parse the -3059 # second parameter list (i.e. "(z)") and the corresponding function will receive both arg lists. -3060 if count_params(function) == 2: -3061 params = None -3062 if self._match_pair(TokenType.R_PAREN, TokenType.L_PAREN): -3063 params = self._parse_csv(self._parse_lambda) -3064 -3065 this = function(args, params) -3066 else: -3067 this = function(args) +3051 parser = self.FUNCTION_PARSERS.get(upper) +3052 +3053 if parser and not anonymous: +3054 this = parser(self) +3055 else: +3056 subquery_predicate = self.SUBQUERY_PREDICATES.get(token_type) +3057 +3058 if subquery_predicate and self._curr.token_type in (TokenType.SELECT, TokenType.WITH): +3059 this = self.expression(subquery_predicate, this=self._parse_select()) +3060 self._match_r_paren() +3061 return this +3062 +3063 if functions is None: +3064 functions = self.FUNCTIONS +3065 +3066 function = functions.get(upper) +3067 args = self._parse_csv(self._parse_lambda) 3068 -3069 self.validate_expression(this, args) -3070 else: -3071 this = self.expression(exp.Anonymous, this=this, expressions=args) -3072 -3073 self._match_r_paren(this) -3074 return self._parse_window(this) -3075 -3076 def _parse_function_parameter(self) -> t.Optional[exp.Expression]: -3077 return self._parse_column_def(self._parse_id_var()) -3078 -3079 def _parse_user_defined_function( -3080 self, kind: t.Optional[TokenType] = None -3081 ) -> t.Optional[exp.Expression]: -3082 this = self._parse_id_var() -3083 -3084 while self._match(TokenType.DOT): -3085 this = self.expression(exp.Dot, this=this, expression=self._parse_id_var()) -3086 -3087 if not self._match(TokenType.L_PAREN): -3088 return this -3089 -3090 expressions = self._parse_csv(self._parse_function_parameter) -3091 self._match_r_paren() -3092 return self.expression( -3093 exp.UserDefinedFunction, this=this, expressions=expressions, wrapped=True -3094 ) +3069 if function and not anonymous: +3070 # Clickhouse supports function calls like foo(x, y)(z), so for these we need to also parse the +3071 # second parameter list (i.e. "(z)") and the corresponding function will receive both arg lists. +3072 if count_params(function) == 2: +3073 params = None +3074 if self._match_pair(TokenType.R_PAREN, TokenType.L_PAREN): +3075 params = self._parse_csv(self._parse_lambda) +3076 +3077 this = function(args, params) +3078 else: +3079 this = function(args) +3080 +3081 self.validate_expression(this, args) +3082 else: +3083 this = self.expression(exp.Anonymous, this=this, expressions=args) +3084 +3085 self._match_r_paren(this) +3086 return self._parse_window(this) +3087 +3088 def _parse_function_parameter(self) -> t.Optional[exp.Expression]: +3089 return self._parse_column_def(self._parse_id_var()) +3090 +3091 def _parse_user_defined_function( +3092 self, kind: t.Optional[TokenType] = None +3093 ) -> t.Optional[exp.Expression]: +3094 this = self._parse_id_var() 3095 -3096 def _parse_introducer(self, token: Token) -> t.Optional[exp.Expression]: -3097 literal = self._parse_primary() -3098 if literal: -3099 return self.expression(exp.Introducer, this=token.text, expression=literal) -3100 -3101 return self.expression(exp.Identifier, this=token.text) -3102 -3103 def _parse_national(self, token: Token) -> exp.Expression: -3104 return self.expression(exp.National, this=exp.Literal.string(token.text)) -3105 -3106 def _parse_session_parameter(self) -> exp.Expression: -3107 kind = None -3108 this = self._parse_id_var() or self._parse_primary() -3109 -3110 if this and self._match(TokenType.DOT): -3111 kind = this.name -3112 this = self._parse_var() or self._parse_primary() -3113 -3114 return self.expression(exp.SessionParameter, this=this, kind=kind) -3115 -3116 def _parse_lambda(self) -> t.Optional[exp.Expression]: -3117 index = self._index -3118 -3119 if self._match(TokenType.L_PAREN): -3120 expressions = self._parse_csv(self._parse_id_var) +3096 while self._match(TokenType.DOT): +3097 this = self.expression(exp.Dot, this=this, expression=self._parse_id_var()) +3098 +3099 if not self._match(TokenType.L_PAREN): +3100 return this +3101 +3102 expressions = self._parse_csv(self._parse_function_parameter) +3103 self._match_r_paren() +3104 return self.expression( +3105 exp.UserDefinedFunction, this=this, expressions=expressions, wrapped=True +3106 ) +3107 +3108 def _parse_introducer(self, token: Token) -> t.Optional[exp.Expression]: +3109 literal = self._parse_primary() +3110 if literal: +3111 return self.expression(exp.Introducer, this=token.text, expression=literal) +3112 +3113 return self.expression(exp.Identifier, this=token.text) +3114 +3115 def _parse_national(self, token: Token) -> exp.Expression: +3116 return self.expression(exp.National, this=exp.Literal.string(token.text)) +3117 +3118 def _parse_session_parameter(self) -> exp.Expression: +3119 kind = None +3120 this = self._parse_id_var() or self._parse_primary() 3121 -3122 if not self._match(TokenType.R_PAREN): -3123 self._retreat(index) -3124 else: -3125 expressions = [self._parse_id_var()] -3126 -3127 if self._match_set(self.LAMBDAS): -3128 return self.LAMBDAS[self._prev.token_type](self, expressions) -3129 -3130 self._retreat(index) -3131 -3132 this: t.Optional[exp.Expression] +3122 if this and self._match(TokenType.DOT): +3123 kind = this.name +3124 this = self._parse_var() or self._parse_primary() +3125 +3126 return self.expression(exp.SessionParameter, this=this, kind=kind) +3127 +3128 def _parse_lambda(self) -> t.Optional[exp.Expression]: +3129 index = self._index +3130 +3131 if self._match(TokenType.L_PAREN): +3132 expressions = self._parse_csv(self._parse_id_var) 3133 -3134 if self._match(TokenType.DISTINCT): -3135 this = self.expression( -3136 exp.Distinct, expressions=self._parse_csv(self._parse_conjunction) -3137 ) -3138 else: -3139 this = self._parse_select_or_expression() -3140 -3141 if isinstance(this, exp.EQ): -3142 left = this.this -3143 if isinstance(left, exp.Column): -3144 left.replace(exp.Var(this=left.text("this"))) +3134 if not self._match(TokenType.R_PAREN): +3135 self._retreat(index) +3136 else: +3137 expressions = [self._parse_id_var()] +3138 +3139 if self._match_set(self.LAMBDAS): +3140 return self.LAMBDAS[self._prev.token_type](self, expressions) +3141 +3142 self._retreat(index) +3143 +3144 this: t.Optional[exp.Expression] 3145 -3146 if self._match(TokenType.IGNORE_NULLS): -3147 this = self.expression(exp.IgnoreNulls, this=this) -3148 else: -3149 self._match(TokenType.RESPECT_NULLS) -3150 -3151 return self._parse_limit(self._parse_order(this)) +3146 if self._match(TokenType.DISTINCT): +3147 this = self.expression( +3148 exp.Distinct, expressions=self._parse_csv(self._parse_conjunction) +3149 ) +3150 else: +3151 this = self._parse_select_or_expression() 3152 -3153 def _parse_schema(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]: -3154 index = self._index -3155 -3156 try: -3157 if self._parse_select(nested=True): -3158 return this -3159 except Exception: -3160 pass -3161 finally: -3162 self._retreat(index) -3163 -3164 if not self._match(TokenType.L_PAREN): -3165 return this -3166 -3167 args = self._parse_csv( -3168 lambda: self._parse_constraint() -3169 or self._parse_column_def(self._parse_field(any_token=True)) -3170 ) -3171 self._match_r_paren() -3172 return self.expression(exp.Schema, this=this, expressions=args) +3153 if isinstance(this, exp.EQ): +3154 left = this.this +3155 if isinstance(left, exp.Column): +3156 left.replace(exp.Var(this=left.text("this"))) +3157 +3158 return self._parse_limit(self._parse_order(self._parse_respect_or_ignore_nulls(this))) +3159 +3160 def _parse_schema(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]: +3161 index = self._index +3162 +3163 try: +3164 if self._parse_select(nested=True): +3165 return this +3166 except Exception: +3167 pass +3168 finally: +3169 self._retreat(index) +3170 +3171 if not self._match(TokenType.L_PAREN): +3172 return this 3173 -3174 def _parse_column_def(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -3175 kind = self._parse_types() -3176 -3177 if self._match_text_seq("FOR", "ORDINALITY"): -3178 return self.expression(exp.ColumnDef, this=this, ordinality=True) -3179 -3180 constraints = [] -3181 while True: -3182 constraint = self._parse_column_constraint() -3183 if not constraint: -3184 break -3185 constraints.append(constraint) +3174 args = self._parse_csv( +3175 lambda: self._parse_constraint() +3176 or self._parse_column_def(self._parse_field(any_token=True)) +3177 ) +3178 self._match_r_paren() +3179 return self.expression(exp.Schema, this=this, expressions=args) +3180 +3181 def _parse_column_def(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +3182 kind = self._parse_types() +3183 +3184 if self._match_text_seq("FOR", "ORDINALITY"): +3185 return self.expression(exp.ColumnDef, this=this, ordinality=True) 3186 -3187 if not kind and not constraints: -3188 return this -3189 -3190 return self.expression(exp.ColumnDef, this=this, kind=kind, constraints=constraints) -3191 -3192 def _parse_auto_increment(self) -> exp.Expression: -3193 start = None -3194 increment = None -3195 -3196 if self._match(TokenType.L_PAREN, advance=False): -3197 args = self._parse_wrapped_csv(self._parse_bitwise) -3198 start = seq_get(args, 0) -3199 increment = seq_get(args, 1) -3200 elif self._match_text_seq("START"): -3201 start = self._parse_bitwise() -3202 self._match_text_seq("INCREMENT") -3203 increment = self._parse_bitwise() -3204 -3205 if start and increment: -3206 return exp.GeneratedAsIdentityColumnConstraint(start=start, increment=increment) -3207 -3208 return exp.AutoIncrementColumnConstraint() -3209 -3210 def _parse_compress(self) -> exp.Expression: -3211 if self._match(TokenType.L_PAREN, advance=False): -3212 return self.expression( -3213 exp.CompressColumnConstraint, this=self._parse_wrapped_csv(self._parse_bitwise) -3214 ) -3215 -3216 return self.expression(exp.CompressColumnConstraint, this=self._parse_bitwise()) -3217 -3218 def _parse_generated_as_identity(self) -> exp.Expression: -3219 if self._match(TokenType.BY_DEFAULT): -3220 this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=False) -3221 else: -3222 self._match_text_seq("ALWAYS") -3223 this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=True) +3187 constraints = [] +3188 while True: +3189 constraint = self._parse_column_constraint() +3190 if not constraint: +3191 break +3192 constraints.append(constraint) +3193 +3194 if not kind and not constraints: +3195 return this +3196 +3197 return self.expression(exp.ColumnDef, this=this, kind=kind, constraints=constraints) +3198 +3199 def _parse_auto_increment(self) -> exp.Expression: +3200 start = None +3201 increment = None +3202 +3203 if self._match(TokenType.L_PAREN, advance=False): +3204 args = self._parse_wrapped_csv(self._parse_bitwise) +3205 start = seq_get(args, 0) +3206 increment = seq_get(args, 1) +3207 elif self._match_text_seq("START"): +3208 start = self._parse_bitwise() +3209 self._match_text_seq("INCREMENT") +3210 increment = self._parse_bitwise() +3211 +3212 if start and increment: +3213 return exp.GeneratedAsIdentityColumnConstraint(start=start, increment=increment) +3214 +3215 return exp.AutoIncrementColumnConstraint() +3216 +3217 def _parse_compress(self) -> exp.Expression: +3218 if self._match(TokenType.L_PAREN, advance=False): +3219 return self.expression( +3220 exp.CompressColumnConstraint, this=self._parse_wrapped_csv(self._parse_bitwise) +3221 ) +3222 +3223 return self.expression(exp.CompressColumnConstraint, this=self._parse_bitwise()) 3224 -3225 self._match_text_seq("AS", "IDENTITY") -3226 if self._match(TokenType.L_PAREN): -3227 if self._match_text_seq("START", "WITH"): -3228 this.set("start", self._parse_bitwise()) -3229 if self._match_text_seq("INCREMENT", "BY"): -3230 this.set("increment", self._parse_bitwise()) -3231 if self._match_text_seq("MINVALUE"): -3232 this.set("minvalue", self._parse_bitwise()) -3233 if self._match_text_seq("MAXVALUE"): -3234 this.set("maxvalue", self._parse_bitwise()) -3235 -3236 if self._match_text_seq("CYCLE"): -3237 this.set("cycle", True) -3238 elif self._match_text_seq("NO", "CYCLE"): -3239 this.set("cycle", False) -3240 -3241 self._match_r_paren() +3225 def _parse_generated_as_identity(self) -> exp.Expression: +3226 if self._match(TokenType.BY_DEFAULT): +3227 this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=False) +3228 else: +3229 self._match_text_seq("ALWAYS") +3230 this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=True) +3231 +3232 self._match_text_seq("AS", "IDENTITY") +3233 if self._match(TokenType.L_PAREN): +3234 if self._match_text_seq("START", "WITH"): +3235 this.set("start", self._parse_bitwise()) +3236 if self._match_text_seq("INCREMENT", "BY"): +3237 this.set("increment", self._parse_bitwise()) +3238 if self._match_text_seq("MINVALUE"): +3239 this.set("minvalue", self._parse_bitwise()) +3240 if self._match_text_seq("MAXVALUE"): +3241 this.set("maxvalue", self._parse_bitwise()) 3242 -3243 return this -3244 -3245 def _parse_inline(self) -> t.Optional[exp.Expression]: -3246 self._match_text_seq("LENGTH") -3247 return self.expression(exp.InlineLengthColumnConstraint, this=self._parse_bitwise()) -3248 -3249 def _parse_not_constraint(self) -> t.Optional[exp.Expression]: -3250 if self._match_text_seq("NULL"): -3251 return self.expression(exp.NotNullColumnConstraint) -3252 if self._match_text_seq("CASESPECIFIC"): -3253 return self.expression(exp.CaseSpecificColumnConstraint, not_=True) -3254 return None +3243 if self._match_text_seq("CYCLE"): +3244 this.set("cycle", True) +3245 elif self._match_text_seq("NO", "CYCLE"): +3246 this.set("cycle", False) +3247 +3248 self._match_r_paren() +3249 +3250 return this +3251 +3252 def _parse_inline(self) -> t.Optional[exp.Expression]: +3253 self._match_text_seq("LENGTH") +3254 return self.expression(exp.InlineLengthColumnConstraint, this=self._parse_bitwise()) 3255 -3256 def _parse_column_constraint(self) -> t.Optional[exp.Expression]: -3257 if self._match(TokenType.CONSTRAINT): -3258 this = self._parse_id_var() -3259 else: -3260 this = None -3261 -3262 if self._match_texts(self.CONSTRAINT_PARSERS): -3263 return self.expression( -3264 exp.ColumnConstraint, -3265 this=this, -3266 kind=self.CONSTRAINT_PARSERS[self._prev.text.upper()](self), -3267 ) +3256 def _parse_not_constraint(self) -> t.Optional[exp.Expression]: +3257 if self._match_text_seq("NULL"): +3258 return self.expression(exp.NotNullColumnConstraint) +3259 if self._match_text_seq("CASESPECIFIC"): +3260 return self.expression(exp.CaseSpecificColumnConstraint, not_=True) +3261 return None +3262 +3263 def _parse_column_constraint(self) -> t.Optional[exp.Expression]: +3264 if self._match(TokenType.CONSTRAINT): +3265 this = self._parse_id_var() +3266 else: +3267 this = None 3268 -3269 return this -3270 -3271 def _parse_constraint(self) -> t.Optional[exp.Expression]: -3272 if not self._match(TokenType.CONSTRAINT): -3273 return self._parse_unnamed_constraint(constraints=self.SCHEMA_UNNAMED_CONSTRAINTS) -3274 -3275 this = self._parse_id_var() -3276 expressions = [] +3269 if self._match_texts(self.CONSTRAINT_PARSERS): +3270 return self.expression( +3271 exp.ColumnConstraint, +3272 this=this, +3273 kind=self.CONSTRAINT_PARSERS[self._prev.text.upper()](self), +3274 ) +3275 +3276 return this 3277 -3278 while True: -3279 constraint = self._parse_unnamed_constraint() or self._parse_function() -3280 if not constraint: -3281 break -3282 expressions.append(constraint) -3283 -3284 return self.expression(exp.Constraint, this=this, expressions=expressions) -3285 -3286 def _parse_unnamed_constraint( -3287 self, constraints: t.Optional[t.Collection[str]] = None -3288 ) -> t.Optional[exp.Expression]: -3289 if not self._match_texts(constraints or self.CONSTRAINT_PARSERS): -3290 return None -3291 -3292 constraint = self._prev.text.upper() -3293 if constraint not in self.CONSTRAINT_PARSERS: -3294 self.raise_error(f"No parser found for schema constraint {constraint}.") -3295 -3296 return self.CONSTRAINT_PARSERS[constraint](self) -3297 -3298 def _parse_unique(self) -> exp.Expression: -3299 if not self._match(TokenType.L_PAREN, advance=False): -3300 return self.expression(exp.UniqueColumnConstraint) -3301 return self.expression(exp.Unique, expressions=self._parse_wrapped_id_vars()) +3278 def _parse_constraint(self) -> t.Optional[exp.Expression]: +3279 if not self._match(TokenType.CONSTRAINT): +3280 return self._parse_unnamed_constraint(constraints=self.SCHEMA_UNNAMED_CONSTRAINTS) +3281 +3282 this = self._parse_id_var() +3283 expressions = [] +3284 +3285 while True: +3286 constraint = self._parse_unnamed_constraint() or self._parse_function() +3287 if not constraint: +3288 break +3289 expressions.append(constraint) +3290 +3291 return self.expression(exp.Constraint, this=this, expressions=expressions) +3292 +3293 def _parse_unnamed_constraint( +3294 self, constraints: t.Optional[t.Collection[str]] = None +3295 ) -> t.Optional[exp.Expression]: +3296 if not self._match_texts(constraints or self.CONSTRAINT_PARSERS): +3297 return None +3298 +3299 constraint = self._prev.text.upper() +3300 if constraint not in self.CONSTRAINT_PARSERS: +3301 self.raise_error(f"No parser found for schema constraint {constraint}.") 3302 -3303 def _parse_key_constraint_options(self) -> t.List[str]: -3304 options = [] -3305 while True: -3306 if not self._curr: -3307 break -3308 -3309 if self._match(TokenType.ON): -3310 action = None -3311 on = self._advance_any() and self._prev.text -3312 -3313 if self._match(TokenType.NO_ACTION): -3314 action = "NO ACTION" -3315 elif self._match(TokenType.CASCADE): -3316 action = "CASCADE" -3317 elif self._match_pair(TokenType.SET, TokenType.NULL): -3318 action = "SET NULL" -3319 elif self._match_pair(TokenType.SET, TokenType.DEFAULT): -3320 action = "SET DEFAULT" -3321 else: -3322 self.raise_error("Invalid key constraint") -3323 -3324 options.append(f"ON {on} {action}") -3325 elif self._match_text_seq("NOT", "ENFORCED"): -3326 options.append("NOT ENFORCED") -3327 elif self._match_text_seq("DEFERRABLE"): -3328 options.append("DEFERRABLE") -3329 elif self._match_text_seq("INITIALLY", "DEFERRED"): -3330 options.append("INITIALLY DEFERRED") -3331 elif self._match_text_seq("NORELY"): -3332 options.append("NORELY") -3333 elif self._match_text_seq("MATCH", "FULL"): -3334 options.append("MATCH FULL") -3335 else: -3336 break -3337 -3338 return options -3339 -3340 def _parse_references(self, match=True) -> t.Optional[exp.Expression]: -3341 if match and not self._match(TokenType.REFERENCES): -3342 return None -3343 -3344 expressions = None -3345 this = self._parse_id_var() +3303 return self.CONSTRAINT_PARSERS[constraint](self) +3304 +3305 def _parse_unique(self) -> exp.Expression: +3306 if not self._match(TokenType.L_PAREN, advance=False): +3307 return self.expression(exp.UniqueColumnConstraint) +3308 return self.expression(exp.Unique, expressions=self._parse_wrapped_id_vars()) +3309 +3310 def _parse_key_constraint_options(self) -> t.List[str]: +3311 options = [] +3312 while True: +3313 if not self._curr: +3314 break +3315 +3316 if self._match(TokenType.ON): +3317 action = None +3318 on = self._advance_any() and self._prev.text +3319 +3320 if self._match(TokenType.NO_ACTION): +3321 action = "NO ACTION" +3322 elif self._match(TokenType.CASCADE): +3323 action = "CASCADE" +3324 elif self._match_pair(TokenType.SET, TokenType.NULL): +3325 action = "SET NULL" +3326 elif self._match_pair(TokenType.SET, TokenType.DEFAULT): +3327 action = "SET DEFAULT" +3328 else: +3329 self.raise_error("Invalid key constraint") +3330 +3331 options.append(f"ON {on} {action}") +3332 elif self._match_text_seq("NOT", "ENFORCED"): +3333 options.append("NOT ENFORCED") +3334 elif self._match_text_seq("DEFERRABLE"): +3335 options.append("DEFERRABLE") +3336 elif self._match_text_seq("INITIALLY", "DEFERRED"): +3337 options.append("INITIALLY DEFERRED") +3338 elif self._match_text_seq("NORELY"): +3339 options.append("NORELY") +3340 elif self._match_text_seq("MATCH", "FULL"): +3341 options.append("MATCH FULL") +3342 else: +3343 break +3344 +3345 return options 3346 -3347 if self._match(TokenType.L_PAREN, advance=False): -3348 expressions = self._parse_wrapped_id_vars() -3349 -3350 options = self._parse_key_constraint_options() -3351 return self.expression(exp.Reference, this=this, expressions=expressions, options=options) -3352 -3353 def _parse_foreign_key(self) -> exp.Expression: -3354 expressions = self._parse_wrapped_id_vars() -3355 reference = self._parse_references() -3356 options = {} -3357 -3358 while self._match(TokenType.ON): -3359 if not self._match_set((TokenType.DELETE, TokenType.UPDATE)): -3360 self.raise_error("Expected DELETE or UPDATE") -3361 -3362 kind = self._prev.text.lower() -3363 -3364 if self._match(TokenType.NO_ACTION): -3365 action = "NO ACTION" -3366 elif self._match(TokenType.SET): -3367 self._match_set((TokenType.NULL, TokenType.DEFAULT)) -3368 action = "SET " + self._prev.text.upper() -3369 else: -3370 self._advance() -3371 action = self._prev.text.upper() -3372 -3373 options[kind] = action -3374 -3375 return self.expression( -3376 exp.ForeignKey, expressions=expressions, reference=reference, **options # type: ignore -3377 ) -3378 -3379 def _parse_primary_key(self) -> exp.Expression: -3380 desc = ( -3381 self._match_set((TokenType.ASC, TokenType.DESC)) -3382 and self._prev.token_type == TokenType.DESC -3383 ) -3384 -3385 if not self._match(TokenType.L_PAREN, advance=False): -3386 return self.expression(exp.PrimaryKeyColumnConstraint, desc=desc) -3387 -3388 expressions = self._parse_wrapped_id_vars() -3389 options = self._parse_key_constraint_options() -3390 return self.expression(exp.PrimaryKey, expressions=expressions, options=options) +3347 def _parse_references(self, match=True) -> t.Optional[exp.Expression]: +3348 if match and not self._match(TokenType.REFERENCES): +3349 return None +3350 +3351 expressions = None +3352 this = self._parse_id_var() +3353 +3354 if self._match(TokenType.L_PAREN, advance=False): +3355 expressions = self._parse_wrapped_id_vars() +3356 +3357 options = self._parse_key_constraint_options() +3358 return self.expression(exp.Reference, this=this, expressions=expressions, options=options) +3359 +3360 def _parse_foreign_key(self) -> exp.Expression: +3361 expressions = self._parse_wrapped_id_vars() +3362 reference = self._parse_references() +3363 options = {} +3364 +3365 while self._match(TokenType.ON): +3366 if not self._match_set((TokenType.DELETE, TokenType.UPDATE)): +3367 self.raise_error("Expected DELETE or UPDATE") +3368 +3369 kind = self._prev.text.lower() +3370 +3371 if self._match(TokenType.NO_ACTION): +3372 action = "NO ACTION" +3373 elif self._match(TokenType.SET): +3374 self._match_set((TokenType.NULL, TokenType.DEFAULT)) +3375 action = "SET " + self._prev.text.upper() +3376 else: +3377 self._advance() +3378 action = self._prev.text.upper() +3379 +3380 options[kind] = action +3381 +3382 return self.expression( +3383 exp.ForeignKey, expressions=expressions, reference=reference, **options # type: ignore +3384 ) +3385 +3386 def _parse_primary_key(self) -> exp.Expression: +3387 desc = ( +3388 self._match_set((TokenType.ASC, TokenType.DESC)) +3389 and self._prev.token_type == TokenType.DESC +3390 ) 3391 -3392 def _parse_bracket(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -3393 if not self._match_set((TokenType.L_BRACKET, TokenType.L_BRACE)): -3394 return this -3395 -3396 bracket_kind = self._prev.token_type -3397 expressions: t.List[t.Optional[exp.Expression]] +3392 if not self._match(TokenType.L_PAREN, advance=False): +3393 return self.expression(exp.PrimaryKeyColumnConstraint, desc=desc) +3394 +3395 expressions = self._parse_wrapped_id_vars() +3396 options = self._parse_key_constraint_options() +3397 return self.expression(exp.PrimaryKey, expressions=expressions, options=options) 3398 -3399 if self._match(TokenType.COLON): -3400 expressions = [self.expression(exp.Slice, expression=self._parse_conjunction())] -3401 else: -3402 expressions = self._parse_csv(lambda: self._parse_slice(self._parse_conjunction())) -3403 -3404 # https://duckdb.org/docs/sql/data_types/struct.html#creating-structs -3405 if bracket_kind == TokenType.L_BRACE: -3406 this = self.expression(exp.Struct, expressions=expressions) -3407 elif not this or this.name.upper() == "ARRAY": -3408 this = self.expression(exp.Array, expressions=expressions) -3409 else: -3410 expressions = apply_index_offset(this, expressions, -self.index_offset) -3411 this = self.expression(exp.Bracket, this=this, expressions=expressions) -3412 -3413 if not self._match(TokenType.R_BRACKET) and bracket_kind == TokenType.L_BRACKET: -3414 self.raise_error("Expected ]") -3415 elif not self._match(TokenType.R_BRACE) and bracket_kind == TokenType.L_BRACE: -3416 self.raise_error("Expected }") -3417 -3418 this.comments = self._prev_comments -3419 return self._parse_bracket(this) -3420 -3421 def _parse_slice(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -3422 if self._match(TokenType.COLON): -3423 return self.expression(exp.Slice, this=this, expression=self._parse_conjunction()) -3424 return this -3425 -3426 def _parse_case(self) -> t.Optional[exp.Expression]: -3427 ifs = [] -3428 default = None -3429 -3430 expression = self._parse_conjunction() -3431 -3432 while self._match(TokenType.WHEN): -3433 this = self._parse_conjunction() -3434 self._match(TokenType.THEN) -3435 then = self._parse_conjunction() -3436 ifs.append(self.expression(exp.If, this=this, true=then)) -3437 -3438 if self._match(TokenType.ELSE): -3439 default = self._parse_conjunction() -3440 -3441 if not self._match(TokenType.END): -3442 self.raise_error("Expected END after CASE", self._prev) -3443 -3444 return self._parse_window( -3445 self.expression(exp.Case, this=expression, ifs=ifs, default=default) -3446 ) +3399 def _parse_bracket(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +3400 if not self._match_set((TokenType.L_BRACKET, TokenType.L_BRACE)): +3401 return this +3402 +3403 bracket_kind = self._prev.token_type +3404 expressions: t.List[t.Optional[exp.Expression]] +3405 +3406 if self._match(TokenType.COLON): +3407 expressions = [self.expression(exp.Slice, expression=self._parse_conjunction())] +3408 else: +3409 expressions = self._parse_csv(lambda: self._parse_slice(self._parse_conjunction())) +3410 +3411 # https://duckdb.org/docs/sql/data_types/struct.html#creating-structs +3412 if bracket_kind == TokenType.L_BRACE: +3413 this = self.expression(exp.Struct, expressions=expressions) +3414 elif not this or this.name.upper() == "ARRAY": +3415 this = self.expression(exp.Array, expressions=expressions) +3416 else: +3417 expressions = apply_index_offset(this, expressions, -self.index_offset) +3418 this = self.expression(exp.Bracket, this=this, expressions=expressions) +3419 +3420 if not self._match(TokenType.R_BRACKET) and bracket_kind == TokenType.L_BRACKET: +3421 self.raise_error("Expected ]") +3422 elif not self._match(TokenType.R_BRACE) and bracket_kind == TokenType.L_BRACE: +3423 self.raise_error("Expected }") +3424 +3425 this.comments = self._prev_comments +3426 return self._parse_bracket(this) +3427 +3428 def _parse_slice(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +3429 if self._match(TokenType.COLON): +3430 return self.expression(exp.Slice, this=this, expression=self._parse_conjunction()) +3431 return this +3432 +3433 def _parse_case(self) -> t.Optional[exp.Expression]: +3434 ifs = [] +3435 default = None +3436 +3437 expression = self._parse_conjunction() +3438 +3439 while self._match(TokenType.WHEN): +3440 this = self._parse_conjunction() +3441 self._match(TokenType.THEN) +3442 then = self._parse_conjunction() +3443 ifs.append(self.expression(exp.If, this=this, true=then)) +3444 +3445 if self._match(TokenType.ELSE): +3446 default = self._parse_conjunction() 3447 -3448 def _parse_if(self) -> t.Optional[exp.Expression]: -3449 if self._match(TokenType.L_PAREN): -3450 args = self._parse_csv(self._parse_conjunction) -3451 this = exp.If.from_arg_list(args) -3452 self.validate_expression(this, args) -3453 self._match_r_paren() -3454 else: -3455 condition = self._parse_conjunction() -3456 self._match(TokenType.THEN) -3457 true = self._parse_conjunction() -3458 false = self._parse_conjunction() if self._match(TokenType.ELSE) else None -3459 self._match(TokenType.END) -3460 this = self.expression(exp.If, this=condition, true=true, false=false) -3461 -3462 return self._parse_window(this) -3463 -3464 def _parse_extract(self) -> exp.Expression: -3465 this = self._parse_function() or self._parse_var() or self._parse_type() -3466 -3467 if self._match(TokenType.FROM): -3468 return self.expression(exp.Extract, this=this, expression=self._parse_bitwise()) -3469 -3470 if not self._match(TokenType.COMMA): -3471 self.raise_error("Expected FROM or comma after EXTRACT", self._prev) -3472 -3473 return self.expression(exp.Extract, this=this, expression=self._parse_bitwise()) +3448 if not self._match(TokenType.END): +3449 self.raise_error("Expected END after CASE", self._prev) +3450 +3451 return self._parse_window( +3452 self.expression(exp.Case, this=expression, ifs=ifs, default=default) +3453 ) +3454 +3455 def _parse_if(self) -> t.Optional[exp.Expression]: +3456 if self._match(TokenType.L_PAREN): +3457 args = self._parse_csv(self._parse_conjunction) +3458 this = exp.If.from_arg_list(args) +3459 self.validate_expression(this, args) +3460 self._match_r_paren() +3461 else: +3462 index = self._index - 1 +3463 condition = self._parse_conjunction() +3464 +3465 if not condition: +3466 self._retreat(index) +3467 return None +3468 +3469 self._match(TokenType.THEN) +3470 true = self._parse_conjunction() +3471 false = self._parse_conjunction() if self._match(TokenType.ELSE) else None +3472 self._match(TokenType.END) +3473 this = self.expression(exp.If, this=condition, true=true, false=false) 3474 -3475 def _parse_cast(self, strict: bool) -> exp.Expression: -3476 this = self._parse_conjunction() -3477 -3478 if not self._match(TokenType.ALIAS): -3479 self.raise_error("Expected AS after CAST") -3480 -3481 to = self._parse_types() +3475 return self._parse_window(this) +3476 +3477 def _parse_extract(self) -> exp.Expression: +3478 this = self._parse_function() or self._parse_var() or self._parse_type() +3479 +3480 if self._match(TokenType.FROM): +3481 return self.expression(exp.Extract, this=this, expression=self._parse_bitwise()) 3482 -3483 if not to: -3484 self.raise_error("Expected TYPE after CAST") -3485 elif to.this == exp.DataType.Type.CHAR: -3486 if self._match(TokenType.CHARACTER_SET): -3487 to = self.expression(exp.CharacterSet, this=self._parse_var_or_string()) -3488 -3489 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) +3483 if not self._match(TokenType.COMMA): +3484 self.raise_error("Expected FROM or comma after EXTRACT", self._prev) +3485 +3486 return self.expression(exp.Extract, this=this, expression=self._parse_bitwise()) +3487 +3488 def _parse_cast(self, strict: bool) -> exp.Expression: +3489 this = self._parse_conjunction() 3490 -3491 def _parse_string_agg(self) -> exp.Expression: -3492 expression: t.Optional[exp.Expression] +3491 if not self._match(TokenType.ALIAS): +3492 self.raise_error("Expected AS after CAST") 3493 -3494 if self._match(TokenType.DISTINCT): -3495 args = self._parse_csv(self._parse_conjunction) -3496 expression = self.expression(exp.Distinct, expressions=[seq_get(args, 0)]) -3497 else: -3498 args = self._parse_csv(self._parse_conjunction) -3499 expression = seq_get(args, 0) -3500 -3501 index = self._index -3502 if not self._match(TokenType.R_PAREN): -3503 # postgres: STRING_AGG([DISTINCT] expression, separator [ORDER BY expression1 {ASC | DESC} [, ...]]) -3504 order = self._parse_order(this=expression) -3505 return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1)) +3494 to = self._parse_types() +3495 +3496 if not to: +3497 self.raise_error("Expected TYPE after CAST") +3498 elif to.this == exp.DataType.Type.CHAR: +3499 if self._match(TokenType.CHARACTER_SET): +3500 to = self.expression(exp.CharacterSet, this=self._parse_var_or_string()) +3501 +3502 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) +3503 +3504 def _parse_string_agg(self) -> exp.Expression: +3505 expression: t.Optional[exp.Expression] 3506 -3507 # Checks if we can parse an order clause: WITHIN GROUP (ORDER BY <order_by_expression_list> [ASC | DESC]). -3508 # This is done "manually", instead of letting _parse_window parse it into an exp.WithinGroup node, so that -3509 # the STRING_AGG call is parsed like in MySQL / SQLite and can thus be transpiled more easily to them. -3510 if not self._match(TokenType.WITHIN_GROUP): -3511 self._retreat(index) -3512 this = exp.GroupConcat.from_arg_list(args) -3513 self.validate_expression(this, args) -3514 return this -3515 -3516 self._match_l_paren() # The corresponding match_r_paren will be called in parse_function (caller) -3517 order = self._parse_order(this=expression) -3518 return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1)) +3507 if self._match(TokenType.DISTINCT): +3508 args = self._parse_csv(self._parse_conjunction) +3509 expression = self.expression(exp.Distinct, expressions=[seq_get(args, 0)]) +3510 else: +3511 args = self._parse_csv(self._parse_conjunction) +3512 expression = seq_get(args, 0) +3513 +3514 index = self._index +3515 if not self._match(TokenType.R_PAREN): +3516 # postgres: STRING_AGG([DISTINCT] expression, separator [ORDER BY expression1 {ASC | DESC} [, ...]]) +3517 order = self._parse_order(this=expression) +3518 return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1)) 3519 -3520 def _parse_convert(self, strict: bool) -> t.Optional[exp.Expression]: -3521 to: t.Optional[exp.Expression] -3522 this = self._parse_bitwise() -3523 -3524 if self._match(TokenType.USING): -3525 to = self.expression(exp.CharacterSet, this=self._parse_var()) -3526 elif self._match(TokenType.COMMA): -3527 to = self._parse_bitwise() -3528 else: -3529 to = None -3530 -3531 # Swap the argument order if needed to produce the correct AST -3532 if self.CONVERT_TYPE_FIRST: -3533 this, to = to, this -3534 -3535 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) +3520 # Checks if we can parse an order clause: WITHIN GROUP (ORDER BY <order_by_expression_list> [ASC | DESC]). +3521 # This is done "manually", instead of letting _parse_window parse it into an exp.WithinGroup node, so that +3522 # the STRING_AGG call is parsed like in MySQL / SQLite and can thus be transpiled more easily to them. +3523 if not self._match(TokenType.WITHIN_GROUP): +3524 self._retreat(index) +3525 this = exp.GroupConcat.from_arg_list(args) +3526 self.validate_expression(this, args) +3527 return this +3528 +3529 self._match_l_paren() # The corresponding match_r_paren will be called in parse_function (caller) +3530 order = self._parse_order(this=expression) +3531 return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1)) +3532 +3533 def _parse_convert(self, strict: bool) -> t.Optional[exp.Expression]: +3534 to: t.Optional[exp.Expression] +3535 this = self._parse_bitwise() 3536 -3537 def _parse_decode(self) -> t.Optional[exp.Expression]: -3538 """ -3539 There are generally two variants of the DECODE function: -3540 -3541 - DECODE(bin, charset) -3542 - DECODE(expression, search, result [, search, result] ... [, default]) +3537 if self._match(TokenType.USING): +3538 to = self.expression(exp.CharacterSet, this=self._parse_var()) +3539 elif self._match(TokenType.COMMA): +3540 to = self._parse_bitwise() +3541 else: +3542 to = None 3543 -3544 The second variant will always be parsed into a CASE expression. Note that NULL -3545 needs special treatment, since we need to explicitly check for it with `IS NULL`, -3546 instead of relying on pattern matching. -3547 """ -3548 args = self._parse_csv(self._parse_conjunction) +3544 # Swap the argument order if needed to produce the correct AST +3545 if self.CONVERT_TYPE_FIRST: +3546 this, to = to, this +3547 +3548 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) 3549 -3550 if len(args) < 3: -3551 return self.expression(exp.Decode, this=seq_get(args, 0), charset=seq_get(args, 1)) -3552 -3553 expression, *expressions = args -3554 if not expression: -3555 return None +3550 def _parse_decode(self) -> t.Optional[exp.Expression]: +3551 """ +3552 There are generally two variants of the DECODE function: +3553 +3554 - DECODE(bin, charset) +3555 - DECODE(expression, search, result [, search, result] ... [, default]) 3556 -3557 ifs = [] -3558 for search, result in zip(expressions[::2], expressions[1::2]): -3559 if not search or not result: -3560 return None -3561 -3562 if isinstance(search, exp.Literal): -3563 ifs.append( -3564 exp.If(this=exp.EQ(this=expression.copy(), expression=search), true=result) -3565 ) -3566 elif isinstance(search, exp.Null): -3567 ifs.append( -3568 exp.If(this=exp.Is(this=expression.copy(), expression=exp.Null()), true=result) -3569 ) -3570 else: -3571 cond = exp.or_( -3572 exp.EQ(this=expression.copy(), expression=search), -3573 exp.and_( -3574 exp.Is(this=expression.copy(), expression=exp.Null()), -3575 exp.Is(this=search.copy(), expression=exp.Null()), -3576 ), -3577 ) -3578 ifs.append(exp.If(this=cond, true=result)) -3579 -3580 return exp.Case(ifs=ifs, default=expressions[-1] if len(expressions) % 2 == 1 else None) -3581 -3582 def _parse_json_key_value(self) -> t.Optional[exp.Expression]: -3583 self._match_text_seq("KEY") -3584 key = self._parse_field() -3585 self._match(TokenType.COLON) -3586 self._match_text_seq("VALUE") -3587 value = self._parse_field() -3588 if not key and not value: -3589 return None -3590 return self.expression(exp.JSONKeyValue, this=key, expression=value) -3591 -3592 def _parse_json_object(self) -> exp.Expression: -3593 expressions = self._parse_csv(self._parse_json_key_value) +3557 The second variant will always be parsed into a CASE expression. Note that NULL +3558 needs special treatment, since we need to explicitly check for it with `IS NULL`, +3559 instead of relying on pattern matching. +3560 """ +3561 args = self._parse_csv(self._parse_conjunction) +3562 +3563 if len(args) < 3: +3564 return self.expression(exp.Decode, this=seq_get(args, 0), charset=seq_get(args, 1)) +3565 +3566 expression, *expressions = args +3567 if not expression: +3568 return None +3569 +3570 ifs = [] +3571 for search, result in zip(expressions[::2], expressions[1::2]): +3572 if not search or not result: +3573 return None +3574 +3575 if isinstance(search, exp.Literal): +3576 ifs.append( +3577 exp.If(this=exp.EQ(this=expression.copy(), expression=search), true=result) +3578 ) +3579 elif isinstance(search, exp.Null): +3580 ifs.append( +3581 exp.If(this=exp.Is(this=expression.copy(), expression=exp.Null()), true=result) +3582 ) +3583 else: +3584 cond = exp.or_( +3585 exp.EQ(this=expression.copy(), expression=search), +3586 exp.and_( +3587 exp.Is(this=expression.copy(), expression=exp.Null()), +3588 exp.Is(this=search.copy(), expression=exp.Null()), +3589 copy=False, +3590 ), +3591 copy=False, +3592 ) +3593 ifs.append(exp.If(this=cond, true=result)) 3594 -3595 null_handling = None -3596 if self._match_text_seq("NULL", "ON", "NULL"): -3597 null_handling = "NULL ON NULL" -3598 elif self._match_text_seq("ABSENT", "ON", "NULL"): -3599 null_handling = "ABSENT ON NULL" -3600 -3601 unique_keys = None -3602 if self._match_text_seq("WITH", "UNIQUE"): -3603 unique_keys = True -3604 elif self._match_text_seq("WITHOUT", "UNIQUE"): -3605 unique_keys = False +3595 return exp.Case(ifs=ifs, default=expressions[-1] if len(expressions) % 2 == 1 else None) +3596 +3597 def _parse_json_key_value(self) -> t.Optional[exp.Expression]: +3598 self._match_text_seq("KEY") +3599 key = self._parse_field() +3600 self._match(TokenType.COLON) +3601 self._match_text_seq("VALUE") +3602 value = self._parse_field() +3603 if not key and not value: +3604 return None +3605 return self.expression(exp.JSONKeyValue, this=key, expression=value) 3606 -3607 self._match_text_seq("KEYS") -3608 -3609 return_type = self._match_text_seq("RETURNING") and self._parse_type() -3610 format_json = self._match_text_seq("FORMAT", "JSON") -3611 encoding = self._match_text_seq("ENCODING") and self._parse_var() -3612 -3613 return self.expression( -3614 exp.JSONObject, -3615 expressions=expressions, -3616 null_handling=null_handling, -3617 unique_keys=unique_keys, -3618 return_type=return_type, -3619 format_json=format_json, -3620 encoding=encoding, -3621 ) -3622 -3623 def _parse_logarithm(self) -> exp.Expression: -3624 # Default argument order is base, expression -3625 args = self._parse_csv(self._parse_range) -3626 -3627 if len(args) > 1: -3628 if not self.LOG_BASE_FIRST: -3629 args.reverse() -3630 return exp.Log.from_arg_list(args) -3631 -3632 return self.expression( -3633 exp.Ln if self.LOG_DEFAULTS_TO_LN else exp.Log, this=seq_get(args, 0) -3634 ) -3635 -3636 def _parse_match_against(self) -> exp.Expression: -3637 expressions = self._parse_csv(self._parse_column) -3638 -3639 self._match_text_seq(")", "AGAINST", "(") -3640 -3641 this = self._parse_string() -3642 -3643 if self._match_text_seq("IN", "NATURAL", "LANGUAGE", "MODE"): -3644 modifier = "IN NATURAL LANGUAGE MODE" -3645 if self._match_text_seq("WITH", "QUERY", "EXPANSION"): -3646 modifier = f"{modifier} WITH QUERY EXPANSION" -3647 elif self._match_text_seq("IN", "BOOLEAN", "MODE"): -3648 modifier = "IN BOOLEAN MODE" -3649 elif self._match_text_seq("WITH", "QUERY", "EXPANSION"): -3650 modifier = "WITH QUERY EXPANSION" -3651 else: -3652 modifier = None +3607 def _parse_json_object(self) -> exp.Expression: +3608 expressions = self._parse_csv(self._parse_json_key_value) +3609 +3610 null_handling = None +3611 if self._match_text_seq("NULL", "ON", "NULL"): +3612 null_handling = "NULL ON NULL" +3613 elif self._match_text_seq("ABSENT", "ON", "NULL"): +3614 null_handling = "ABSENT ON NULL" +3615 +3616 unique_keys = None +3617 if self._match_text_seq("WITH", "UNIQUE"): +3618 unique_keys = True +3619 elif self._match_text_seq("WITHOUT", "UNIQUE"): +3620 unique_keys = False +3621 +3622 self._match_text_seq("KEYS") +3623 +3624 return_type = self._match_text_seq("RETURNING") and self._parse_type() +3625 format_json = self._match_text_seq("FORMAT", "JSON") +3626 encoding = self._match_text_seq("ENCODING") and self._parse_var() +3627 +3628 return self.expression( +3629 exp.JSONObject, +3630 expressions=expressions, +3631 null_handling=null_handling, +3632 unique_keys=unique_keys, +3633 return_type=return_type, +3634 format_json=format_json, +3635 encoding=encoding, +3636 ) +3637 +3638 def _parse_logarithm(self) -> exp.Expression: +3639 # Default argument order is base, expression +3640 args = self._parse_csv(self._parse_range) +3641 +3642 if len(args) > 1: +3643 if not self.LOG_BASE_FIRST: +3644 args.reverse() +3645 return exp.Log.from_arg_list(args) +3646 +3647 return self.expression( +3648 exp.Ln if self.LOG_DEFAULTS_TO_LN else exp.Log, this=seq_get(args, 0) +3649 ) +3650 +3651 def _parse_match_against(self) -> exp.Expression: +3652 expressions = self._parse_csv(self._parse_column) 3653 -3654 return self.expression( -3655 exp.MatchAgainst, this=this, expressions=expressions, modifier=modifier -3656 ) +3654 self._match_text_seq(")", "AGAINST", "(") +3655 +3656 this = self._parse_string() 3657 -3658 def _parse_position(self, haystack_first: bool = False) -> exp.Expression: -3659 args = self._parse_csv(self._parse_bitwise) -3660 -3661 if self._match(TokenType.IN): -3662 return self.expression( -3663 exp.StrPosition, this=self._parse_bitwise(), substr=seq_get(args, 0) -3664 ) -3665 -3666 if haystack_first: -3667 haystack = seq_get(args, 0) -3668 needle = seq_get(args, 1) -3669 else: -3670 needle = seq_get(args, 0) -3671 haystack = seq_get(args, 1) +3658 if self._match_text_seq("IN", "NATURAL", "LANGUAGE", "MODE"): +3659 modifier = "IN NATURAL LANGUAGE MODE" +3660 if self._match_text_seq("WITH", "QUERY", "EXPANSION"): +3661 modifier = f"{modifier} WITH QUERY EXPANSION" +3662 elif self._match_text_seq("IN", "BOOLEAN", "MODE"): +3663 modifier = "IN BOOLEAN MODE" +3664 elif self._match_text_seq("WITH", "QUERY", "EXPANSION"): +3665 modifier = "WITH QUERY EXPANSION" +3666 else: +3667 modifier = None +3668 +3669 return self.expression( +3670 exp.MatchAgainst, this=this, expressions=expressions, modifier=modifier +3671 ) 3672 -3673 this = exp.StrPosition(this=haystack, substr=needle, position=seq_get(args, 2)) -3674 -3675 self.validate_expression(this, args) -3676 -3677 return this -3678 -3679 def _parse_join_hint(self, func_name: str) -> exp.Expression: -3680 args = self._parse_csv(self._parse_table) -3681 return exp.JoinHint(this=func_name.upper(), expressions=args) -3682 -3683 def _parse_substring(self) -> exp.Expression: -3684 # Postgres supports the form: substring(string [from int] [for int]) -3685 # https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6 -3686 -3687 args = self._parse_csv(self._parse_bitwise) -3688 -3689 if self._match(TokenType.FROM): -3690 args.append(self._parse_bitwise()) -3691 if self._match(TokenType.FOR): -3692 args.append(self._parse_bitwise()) +3673 def _parse_position(self, haystack_first: bool = False) -> exp.Expression: +3674 args = self._parse_csv(self._parse_bitwise) +3675 +3676 if self._match(TokenType.IN): +3677 return self.expression( +3678 exp.StrPosition, this=self._parse_bitwise(), substr=seq_get(args, 0) +3679 ) +3680 +3681 if haystack_first: +3682 haystack = seq_get(args, 0) +3683 needle = seq_get(args, 1) +3684 else: +3685 needle = seq_get(args, 0) +3686 haystack = seq_get(args, 1) +3687 +3688 this = exp.StrPosition(this=haystack, substr=needle, position=seq_get(args, 2)) +3689 +3690 self.validate_expression(this, args) +3691 +3692 return this 3693 -3694 this = exp.Substring.from_arg_list(args) -3695 self.validate_expression(this, args) -3696 -3697 return this -3698 -3699 def _parse_trim(self) -> exp.Expression: -3700 # https://www.w3resource.com/sql/character-functions/trim.php -3701 # https://docs.oracle.com/javadb/10.8.3.0/ref/rreftrimfunc.html -3702 -3703 position = None -3704 collation = None -3705 -3706 if self._match_set(self.TRIM_TYPES): -3707 position = self._prev.text.upper() +3694 def _parse_join_hint(self, func_name: str) -> exp.Expression: +3695 args = self._parse_csv(self._parse_table) +3696 return exp.JoinHint(this=func_name.upper(), expressions=args) +3697 +3698 def _parse_substring(self) -> exp.Expression: +3699 # Postgres supports the form: substring(string [from int] [for int]) +3700 # https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6 +3701 +3702 args = self._parse_csv(self._parse_bitwise) +3703 +3704 if self._match(TokenType.FROM): +3705 args.append(self._parse_bitwise()) +3706 if self._match(TokenType.FOR): +3707 args.append(self._parse_bitwise()) 3708 -3709 expression = self._parse_term() -3710 if self._match_set((TokenType.FROM, TokenType.COMMA)): -3711 this = self._parse_term() -3712 else: -3713 this = expression -3714 expression = None -3715 -3716 if self._match(TokenType.COLLATE): -3717 collation = self._parse_term() -3718 -3719 return self.expression( -3720 exp.Trim, -3721 this=this, -3722 position=position, -3723 expression=expression, -3724 collation=collation, -3725 ) -3726 -3727 def _parse_window_clause(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: -3728 return self._match(TokenType.WINDOW) and self._parse_csv(self._parse_named_window) -3729 -3730 def _parse_named_window(self) -> t.Optional[exp.Expression]: -3731 return self._parse_window(self._parse_id_var(), alias=True) -3732 -3733 def _parse_window( -3734 self, this: t.Optional[exp.Expression], alias: bool = False -3735 ) -> t.Optional[exp.Expression]: -3736 if self._match_pair(TokenType.FILTER, TokenType.L_PAREN): -3737 this = self.expression(exp.Filter, this=this, expression=self._parse_where()) -3738 self._match_r_paren() -3739 -3740 # T-SQL allows the OVER (...) syntax after WITHIN GROUP. -3741 # https://learn.microsoft.com/en-us/sql/t-sql/functions/percentile-disc-transact-sql?view=sql-server-ver16 -3742 if self._match(TokenType.WITHIN_GROUP): -3743 order = self._parse_wrapped(self._parse_order) -3744 this = self.expression(exp.WithinGroup, this=this, expression=order) -3745 -3746 # SQL spec defines an optional [ { IGNORE | RESPECT } NULLS ] OVER -3747 # Some dialects choose to implement and some do not. -3748 # https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html -3749 -3750 # There is some code above in _parse_lambda that handles -3751 # SELECT FIRST_VALUE(TABLE.COLUMN IGNORE|RESPECT NULLS) OVER ... -3752 -3753 # The below changes handle -3754 # SELECT FIRST_VALUE(TABLE.COLUMN) IGNORE|RESPECT NULLS OVER ... -3755 -3756 # Oracle allows both formats -3757 # (https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/img_text/first_value.html) -3758 # and Snowflake chose to do the same for familiarity -3759 # https://docs.snowflake.com/en/sql-reference/functions/first_value.html#usage-notes -3760 if self._match(TokenType.IGNORE_NULLS): -3761 this = self.expression(exp.IgnoreNulls, this=this) -3762 elif self._match(TokenType.RESPECT_NULLS): -3763 this = self.expression(exp.RespectNulls, this=this) -3764 -3765 # bigquery select from window x AS (partition by ...) -3766 if alias: -3767 self._match(TokenType.ALIAS) -3768 elif not self._match(TokenType.OVER): -3769 return this -3770 -3771 if not self._match(TokenType.L_PAREN): -3772 return self.expression(exp.Window, this=this, alias=self._parse_id_var(False)) +3709 this = exp.Substring.from_arg_list(args) +3710 self.validate_expression(this, args) +3711 +3712 return this +3713 +3714 def _parse_trim(self) -> exp.Expression: +3715 # https://www.w3resource.com/sql/character-functions/trim.php +3716 # https://docs.oracle.com/javadb/10.8.3.0/ref/rreftrimfunc.html +3717 +3718 position = None +3719 collation = None +3720 +3721 if self._match_set(self.TRIM_TYPES): +3722 position = self._prev.text.upper() +3723 +3724 expression = self._parse_bitwise() +3725 if self._match_set((TokenType.FROM, TokenType.COMMA)): +3726 this = self._parse_bitwise() +3727 else: +3728 this = expression +3729 expression = None +3730 +3731 if self._match(TokenType.COLLATE): +3732 collation = self._parse_bitwise() +3733 +3734 return self.expression( +3735 exp.Trim, +3736 this=this, +3737 position=position, +3738 expression=expression, +3739 collation=collation, +3740 ) +3741 +3742 def _parse_window_clause(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: +3743 return self._match(TokenType.WINDOW) and self._parse_csv(self._parse_named_window) +3744 +3745 def _parse_named_window(self) -> t.Optional[exp.Expression]: +3746 return self._parse_window(self._parse_id_var(), alias=True) +3747 +3748 def _parse_respect_or_ignore_nulls( +3749 self, this: t.Optional[exp.Expression] +3750 ) -> t.Optional[exp.Expression]: +3751 if self._match(TokenType.IGNORE_NULLS): +3752 return self.expression(exp.IgnoreNulls, this=this) +3753 if self._match(TokenType.RESPECT_NULLS): +3754 return self.expression(exp.RespectNulls, this=this) +3755 return this +3756 +3757 def _parse_window( +3758 self, this: t.Optional[exp.Expression], alias: bool = False +3759 ) -> t.Optional[exp.Expression]: +3760 if self._match_pair(TokenType.FILTER, TokenType.L_PAREN): +3761 this = self.expression(exp.Filter, this=this, expression=self._parse_where()) +3762 self._match_r_paren() +3763 +3764 # T-SQL allows the OVER (...) syntax after WITHIN GROUP. +3765 # https://learn.microsoft.com/en-us/sql/t-sql/functions/percentile-disc-transact-sql?view=sql-server-ver16 +3766 if self._match(TokenType.WITHIN_GROUP): +3767 order = self._parse_wrapped(self._parse_order) +3768 this = self.expression(exp.WithinGroup, this=this, expression=order) +3769 +3770 # SQL spec defines an optional [ { IGNORE | RESPECT } NULLS ] OVER +3771 # Some dialects choose to implement and some do not. +3772 # https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html 3773 -3774 window_alias = self._parse_id_var(any_token=False, tokens=self.WINDOW_ALIAS_TOKENS) -3775 partition = self._parse_partition_by() -3776 order = self._parse_order() -3777 kind = self._match_set((TokenType.ROWS, TokenType.RANGE)) and self._prev.text -3778 -3779 if kind: -3780 self._match(TokenType.BETWEEN) -3781 start = self._parse_window_spec() -3782 self._match(TokenType.AND) -3783 end = self._parse_window_spec() -3784 -3785 spec = self.expression( -3786 exp.WindowSpec, -3787 kind=kind, -3788 start=start["value"], -3789 start_side=start["side"], -3790 end=end["value"], -3791 end_side=end["side"], -3792 ) -3793 else: -3794 spec = None -3795 -3796 self._match_r_paren() -3797 -3798 return self.expression( -3799 exp.Window, -3800 this=this, -3801 partition_by=partition, -3802 order=order, -3803 spec=spec, -3804 alias=window_alias, -3805 ) -3806 -3807 def _parse_window_spec(self) -> t.Dict[str, t.Optional[str | exp.Expression]]: -3808 self._match(TokenType.BETWEEN) +3774 # There is some code above in _parse_lambda that handles +3775 # SELECT FIRST_VALUE(TABLE.COLUMN IGNORE|RESPECT NULLS) OVER ... +3776 +3777 # The below changes handle +3778 # SELECT FIRST_VALUE(TABLE.COLUMN) IGNORE|RESPECT NULLS OVER ... +3779 +3780 # Oracle allows both formats +3781 # (https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/img_text/first_value.html) +3782 # and Snowflake chose to do the same for familiarity +3783 # https://docs.snowflake.com/en/sql-reference/functions/first_value.html#usage-notes +3784 this = self._parse_respect_or_ignore_nulls(this) +3785 +3786 # bigquery select from window x AS (partition by ...) +3787 if alias: +3788 over = None +3789 self._match(TokenType.ALIAS) +3790 elif not self._match_set(self.WINDOW_BEFORE_PAREN_TOKENS): +3791 return this +3792 else: +3793 over = self._prev.text.upper() +3794 +3795 if not self._match(TokenType.L_PAREN): +3796 return self.expression( +3797 exp.Window, this=this, alias=self._parse_id_var(False), over=over +3798 ) +3799 +3800 window_alias = self._parse_id_var(any_token=False, tokens=self.WINDOW_ALIAS_TOKENS) +3801 +3802 first = self._match(TokenType.FIRST) +3803 if self._match_text_seq("LAST"): +3804 first = False +3805 +3806 partition = self._parse_partition_by() +3807 order = self._parse_order() +3808 kind = self._match_set((TokenType.ROWS, TokenType.RANGE)) and self._prev.text 3809 -3810 return { -3811 "value": ( -3812 self._match_set((TokenType.UNBOUNDED, TokenType.CURRENT_ROW)) and self._prev.text -3813 ) -3814 or self._parse_bitwise(), -3815 "side": self._match_set((TokenType.PRECEDING, TokenType.FOLLOWING)) and self._prev.text, -3816 } -3817 -3818 def _parse_alias( -3819 self, this: t.Optional[exp.Expression], explicit: bool = False -3820 ) -> t.Optional[exp.Expression]: -3821 any_token = self._match(TokenType.ALIAS) -3822 -3823 if explicit and not any_token: -3824 return this -3825 -3826 if self._match(TokenType.L_PAREN): -3827 aliases = self.expression( -3828 exp.Aliases, -3829 this=this, -3830 expressions=self._parse_csv(lambda: self._parse_id_var(any_token)), -3831 ) -3832 self._match_r_paren(aliases) -3833 return aliases -3834 -3835 alias = self._parse_id_var(any_token) -3836 -3837 if alias: -3838 return self.expression(exp.Alias, this=this, alias=alias) +3810 if kind: +3811 self._match(TokenType.BETWEEN) +3812 start = self._parse_window_spec() +3813 self._match(TokenType.AND) +3814 end = self._parse_window_spec() +3815 +3816 spec = self.expression( +3817 exp.WindowSpec, +3818 kind=kind, +3819 start=start["value"], +3820 start_side=start["side"], +3821 end=end["value"], +3822 end_side=end["side"], +3823 ) +3824 else: +3825 spec = None +3826 +3827 self._match_r_paren() +3828 +3829 return self.expression( +3830 exp.Window, +3831 this=this, +3832 partition_by=partition, +3833 order=order, +3834 spec=spec, +3835 alias=window_alias, +3836 over=over, +3837 first=first, +3838 ) 3839 -3840 return this -3841 -3842 def _parse_id_var( -3843 self, -3844 any_token: bool = True, -3845 tokens: t.Optional[t.Collection[TokenType]] = None, -3846 prefix_tokens: t.Optional[t.Collection[TokenType]] = None, -3847 ) -> t.Optional[exp.Expression]: -3848 identifier = self._parse_identifier() -3849 -3850 if identifier: -3851 return identifier -3852 -3853 prefix = "" -3854 -3855 if prefix_tokens: -3856 while self._match_set(prefix_tokens): -3857 prefix += self._prev.text +3840 def _parse_window_spec(self) -> t.Dict[str, t.Optional[str | exp.Expression]]: +3841 self._match(TokenType.BETWEEN) +3842 +3843 return { +3844 "value": ( +3845 self._match_set((TokenType.UNBOUNDED, TokenType.CURRENT_ROW)) and self._prev.text +3846 ) +3847 or self._parse_bitwise(), +3848 "side": self._match_set((TokenType.PRECEDING, TokenType.FOLLOWING)) and self._prev.text, +3849 } +3850 +3851 def _parse_alias( +3852 self, this: t.Optional[exp.Expression], explicit: bool = False +3853 ) -> t.Optional[exp.Expression]: +3854 any_token = self._match(TokenType.ALIAS) +3855 +3856 if explicit and not any_token: +3857 return this 3858 -3859 if (any_token and self._advance_any()) or self._match_set(tokens or self.ID_VAR_TOKENS): -3860 quoted = self._prev.token_type == TokenType.STRING -3861 return exp.Identifier(this=prefix + self._prev.text, quoted=quoted) -3862 -3863 return None -3864 -3865 def _parse_string(self) -> t.Optional[exp.Expression]: -3866 if self._match(TokenType.STRING): -3867 return self.PRIMARY_PARSERS[TokenType.STRING](self, self._prev) -3868 return self._parse_placeholder() +3859 if self._match(TokenType.L_PAREN): +3860 aliases = self.expression( +3861 exp.Aliases, +3862 this=this, +3863 expressions=self._parse_csv(lambda: self._parse_id_var(any_token)), +3864 ) +3865 self._match_r_paren(aliases) +3866 return aliases +3867 +3868 alias = self._parse_id_var(any_token) 3869 -3870 def _parse_string_as_identifier(self) -> t.Optional[exp.Expression]: -3871 return exp.to_identifier(self._match(TokenType.STRING) and self._prev.text, quoted=True) +3870 if alias: +3871 return self.expression(exp.Alias, this=this, alias=alias) 3872 -3873 def _parse_number(self) -> t.Optional[exp.Expression]: -3874 if self._match(TokenType.NUMBER): -3875 return self.PRIMARY_PARSERS[TokenType.NUMBER](self, self._prev) -3876 return self._parse_placeholder() -3877 -3878 def _parse_identifier(self) -> t.Optional[exp.Expression]: -3879 if self._match(TokenType.IDENTIFIER): -3880 return self.expression(exp.Identifier, this=self._prev.text, quoted=True) -3881 return self._parse_placeholder() +3873 return this +3874 +3875 def _parse_id_var( +3876 self, +3877 any_token: bool = True, +3878 tokens: t.Optional[t.Collection[TokenType]] = None, +3879 prefix_tokens: t.Optional[t.Collection[TokenType]] = None, +3880 ) -> t.Optional[exp.Expression]: +3881 identifier = self._parse_identifier() 3882 -3883 def _parse_var( -3884 self, any_token: bool = False, tokens: t.Optional[t.Collection[TokenType]] = None -3885 ) -> t.Optional[exp.Expression]: -3886 if ( -3887 (any_token and self._advance_any()) -3888 or self._match(TokenType.VAR) -3889 or (self._match_set(tokens) if tokens else False) -3890 ): -3891 return self.expression(exp.Var, this=self._prev.text) -3892 return self._parse_placeholder() -3893 -3894 def _advance_any(self) -> t.Optional[Token]: -3895 if self._curr and self._curr.token_type not in self.RESERVED_KEYWORDS: -3896 self._advance() -3897 return self._prev -3898 return None -3899 -3900 def _parse_var_or_string(self) -> t.Optional[exp.Expression]: -3901 return self._parse_var() or self._parse_string() +3883 if identifier: +3884 return identifier +3885 +3886 prefix = "" +3887 +3888 if prefix_tokens: +3889 while self._match_set(prefix_tokens): +3890 prefix += self._prev.text +3891 +3892 if (any_token and self._advance_any()) or self._match_set(tokens or self.ID_VAR_TOKENS): +3893 quoted = self._prev.token_type == TokenType.STRING +3894 return exp.Identifier(this=prefix + self._prev.text, quoted=quoted) +3895 +3896 return None +3897 +3898 def _parse_string(self) -> t.Optional[exp.Expression]: +3899 if self._match(TokenType.STRING): +3900 return self.PRIMARY_PARSERS[TokenType.STRING](self, self._prev) +3901 return self._parse_placeholder() 3902 -3903 def _parse_null(self) -> t.Optional[exp.Expression]: -3904 if self._match(TokenType.NULL): -3905 return self.PRIMARY_PARSERS[TokenType.NULL](self, self._prev) -3906 return None -3907 -3908 def _parse_boolean(self) -> t.Optional[exp.Expression]: -3909 if self._match(TokenType.TRUE): -3910 return self.PRIMARY_PARSERS[TokenType.TRUE](self, self._prev) -3911 if self._match(TokenType.FALSE): -3912 return self.PRIMARY_PARSERS[TokenType.FALSE](self, self._prev) -3913 return None -3914 -3915 def _parse_star(self) -> t.Optional[exp.Expression]: -3916 if self._match(TokenType.STAR): -3917 return self.PRIMARY_PARSERS[TokenType.STAR](self, self._prev) -3918 return None -3919 -3920 def _parse_parameter(self) -> exp.Expression: -3921 wrapped = self._match(TokenType.L_BRACE) -3922 this = self._parse_var() or self._parse_primary() -3923 self._match(TokenType.R_BRACE) -3924 return self.expression(exp.Parameter, this=this, wrapped=wrapped) -3925 -3926 def _parse_placeholder(self) -> t.Optional[exp.Expression]: -3927 if self._match_set(self.PLACEHOLDER_PARSERS): -3928 placeholder = self.PLACEHOLDER_PARSERS[self._prev.token_type](self) -3929 if placeholder: -3930 return placeholder -3931 self._advance(-1) -3932 return None -3933 -3934 def _parse_except(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: -3935 if not self._match(TokenType.EXCEPT): -3936 return None -3937 if self._match(TokenType.L_PAREN, advance=False): -3938 return self._parse_wrapped_csv(self._parse_column) -3939 return self._parse_csv(self._parse_column) +3903 def _parse_string_as_identifier(self) -> t.Optional[exp.Expression]: +3904 return exp.to_identifier(self._match(TokenType.STRING) and self._prev.text, quoted=True) +3905 +3906 def _parse_number(self) -> t.Optional[exp.Expression]: +3907 if self._match(TokenType.NUMBER): +3908 return self.PRIMARY_PARSERS[TokenType.NUMBER](self, self._prev) +3909 return self._parse_placeholder() +3910 +3911 def _parse_identifier(self) -> t.Optional[exp.Expression]: +3912 if self._match(TokenType.IDENTIFIER): +3913 return self.expression(exp.Identifier, this=self._prev.text, quoted=True) +3914 return self._parse_placeholder() +3915 +3916 def _parse_var( +3917 self, any_token: bool = False, tokens: t.Optional[t.Collection[TokenType]] = None +3918 ) -> t.Optional[exp.Expression]: +3919 if ( +3920 (any_token and self._advance_any()) +3921 or self._match(TokenType.VAR) +3922 or (self._match_set(tokens) if tokens else False) +3923 ): +3924 return self.expression(exp.Var, this=self._prev.text) +3925 return self._parse_placeholder() +3926 +3927 def _advance_any(self) -> t.Optional[Token]: +3928 if self._curr and self._curr.token_type not in self.RESERVED_KEYWORDS: +3929 self._advance() +3930 return self._prev +3931 return None +3932 +3933 def _parse_var_or_string(self) -> t.Optional[exp.Expression]: +3934 return self._parse_var() or self._parse_string() +3935 +3936 def _parse_null(self) -> t.Optional[exp.Expression]: +3937 if self._match(TokenType.NULL): +3938 return self.PRIMARY_PARSERS[TokenType.NULL](self, self._prev) +3939 return None 3940 -3941 def _parse_replace(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: -3942 if not self._match(TokenType.REPLACE): -3943 return None -3944 if self._match(TokenType.L_PAREN, advance=False): -3945 return self._parse_wrapped_csv(self._parse_expression) -3946 return self._parse_csv(self._parse_expression) +3941 def _parse_boolean(self) -> t.Optional[exp.Expression]: +3942 if self._match(TokenType.TRUE): +3943 return self.PRIMARY_PARSERS[TokenType.TRUE](self, self._prev) +3944 if self._match(TokenType.FALSE): +3945 return self.PRIMARY_PARSERS[TokenType.FALSE](self, self._prev) +3946 return None 3947 -3948 def _parse_csv( -3949 self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA -3950 ) -> t.List[t.Optional[exp.Expression]]: -3951 parse_result = parse_method() -3952 items = [parse_result] if parse_result is not None else [] -3953 -3954 while self._match(sep): -3955 if parse_result and self._prev_comments: -3956 parse_result.comments = self._prev_comments -3957 -3958 parse_result = parse_method() -3959 if parse_result is not None: -3960 items.append(parse_result) -3961 -3962 return items -3963 -3964 def _parse_tokens( -3965 self, parse_method: t.Callable, expressions: t.Dict -3966 ) -> t.Optional[exp.Expression]: -3967 this = parse_method() -3968 -3969 while self._match_set(expressions): -3970 this = self.expression( -3971 expressions[self._prev.token_type], -3972 this=this, -3973 comments=self._prev_comments, -3974 expression=parse_method(), -3975 ) -3976 -3977 return this -3978 -3979 def _parse_wrapped_id_vars(self) -> t.List[t.Optional[exp.Expression]]: -3980 return self._parse_wrapped_csv(self._parse_id_var) -3981 -3982 def _parse_wrapped_csv( -3983 self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA -3984 ) -> t.List[t.Optional[exp.Expression]]: -3985 return self._parse_wrapped(lambda: self._parse_csv(parse_method, sep=sep)) +3948 def _parse_star(self) -> t.Optional[exp.Expression]: +3949 if self._match(TokenType.STAR): +3950 return self.PRIMARY_PARSERS[TokenType.STAR](self, self._prev) +3951 return None +3952 +3953 def _parse_parameter(self) -> exp.Expression: +3954 wrapped = self._match(TokenType.L_BRACE) +3955 this = self._parse_var() or self._parse_primary() +3956 self._match(TokenType.R_BRACE) +3957 return self.expression(exp.Parameter, this=this, wrapped=wrapped) +3958 +3959 def _parse_placeholder(self) -> t.Optional[exp.Expression]: +3960 if self._match_set(self.PLACEHOLDER_PARSERS): +3961 placeholder = self.PLACEHOLDER_PARSERS[self._prev.token_type](self) +3962 if placeholder: +3963 return placeholder +3964 self._advance(-1) +3965 return None +3966 +3967 def _parse_except(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: +3968 if not self._match(TokenType.EXCEPT): +3969 return None +3970 if self._match(TokenType.L_PAREN, advance=False): +3971 return self._parse_wrapped_csv(self._parse_column) +3972 return self._parse_csv(self._parse_column) +3973 +3974 def _parse_replace(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: +3975 if not self._match(TokenType.REPLACE): +3976 return None +3977 if self._match(TokenType.L_PAREN, advance=False): +3978 return self._parse_wrapped_csv(self._parse_expression) +3979 return self._parse_csv(self._parse_expression) +3980 +3981 def _parse_csv( +3982 self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA +3983 ) -> t.List[t.Optional[exp.Expression]]: +3984 parse_result = parse_method() +3985 items = [parse_result] if parse_result is not None else [] 3986 -3987 def _parse_wrapped(self, parse_method: t.Callable) -> t.Any: -3988 self._match_l_paren() -3989 parse_result = parse_method() -3990 self._match_r_paren() -3991 return parse_result -3992 -3993 def _parse_select_or_expression(self) -> t.Optional[exp.Expression]: -3994 return self._parse_select() or self._parse_set_operations(self._parse_expression()) -3995 -3996 def _parse_ddl_select(self) -> t.Optional[exp.Expression]: -3997 return self._parse_set_operations( -3998 self._parse_select(nested=True, parse_subquery_alias=False) -3999 ) -4000 -4001 def _parse_transaction(self) -> exp.Expression: -4002 this = None -4003 if self._match_texts(self.TRANSACTION_KIND): -4004 this = self._prev.text -4005 -4006 self._match_texts({"TRANSACTION", "WORK"}) -4007 -4008 modes = [] -4009 while True: -4010 mode = [] -4011 while self._match(TokenType.VAR): -4012 mode.append(self._prev.text) -4013 -4014 if mode: -4015 modes.append(" ".join(mode)) -4016 if not self._match(TokenType.COMMA): -4017 break -4018 -4019 return self.expression(exp.Transaction, this=this, modes=modes) -4020 -4021 def _parse_commit_or_rollback(self) -> exp.Expression: -4022 chain = None -4023 savepoint = None -4024 is_rollback = self._prev.token_type == TokenType.ROLLBACK +3987 while self._match(sep): +3988 if parse_result and self._prev_comments: +3989 parse_result.comments = self._prev_comments +3990 +3991 parse_result = parse_method() +3992 if parse_result is not None: +3993 items.append(parse_result) +3994 +3995 return items +3996 +3997 def _parse_tokens( +3998 self, parse_method: t.Callable, expressions: t.Dict +3999 ) -> t.Optional[exp.Expression]: +4000 this = parse_method() +4001 +4002 while self._match_set(expressions): +4003 this = self.expression( +4004 expressions[self._prev.token_type], +4005 this=this, +4006 comments=self._prev_comments, +4007 expression=parse_method(), +4008 ) +4009 +4010 return this +4011 +4012 def _parse_wrapped_id_vars(self) -> t.List[t.Optional[exp.Expression]]: +4013 return self._parse_wrapped_csv(self._parse_id_var) +4014 +4015 def _parse_wrapped_csv( +4016 self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA +4017 ) -> t.List[t.Optional[exp.Expression]]: +4018 return self._parse_wrapped(lambda: self._parse_csv(parse_method, sep=sep)) +4019 +4020 def _parse_wrapped(self, parse_method: t.Callable) -> t.Any: +4021 self._match_l_paren() +4022 parse_result = parse_method() +4023 self._match_r_paren() +4024 return parse_result 4025 -4026 self._match_texts({"TRANSACTION", "WORK"}) -4027 -4028 if self._match_text_seq("TO"): -4029 self._match_text_seq("SAVEPOINT") -4030 savepoint = self._parse_id_var() -4031 -4032 if self._match(TokenType.AND): -4033 chain = not self._match_text_seq("NO") -4034 self._match_text_seq("CHAIN") -4035 -4036 if is_rollback: -4037 return self.expression(exp.Rollback, savepoint=savepoint) -4038 return self.expression(exp.Commit, chain=chain) -4039 -4040 def _parse_add_column(self) -> t.Optional[exp.Expression]: -4041 if not self._match_text_seq("ADD"): -4042 return None -4043 -4044 self._match(TokenType.COLUMN) -4045 exists_column = self._parse_exists(not_=True) -4046 expression = self._parse_column_def(self._parse_field(any_token=True)) -4047 -4048 if expression: -4049 expression.set("exists", exists_column) -4050 -4051 # https://docs.databricks.com/delta/update-schema.html#explicitly-update-schema-to-add-columns -4052 if self._match_texts(("FIRST", "AFTER")): -4053 position = self._prev.text -4054 column_position = self.expression( -4055 exp.ColumnPosition, this=self._parse_column(), position=position -4056 ) -4057 expression.set("position", column_position) +4026 def _parse_select_or_expression(self) -> t.Optional[exp.Expression]: +4027 return self._parse_select() or self._parse_set_operations(self._parse_expression()) +4028 +4029 def _parse_ddl_select(self) -> t.Optional[exp.Expression]: +4030 return self._parse_set_operations( +4031 self._parse_select(nested=True, parse_subquery_alias=False) +4032 ) +4033 +4034 def _parse_transaction(self) -> exp.Expression: +4035 this = None +4036 if self._match_texts(self.TRANSACTION_KIND): +4037 this = self._prev.text +4038 +4039 self._match_texts({"TRANSACTION", "WORK"}) +4040 +4041 modes = [] +4042 while True: +4043 mode = [] +4044 while self._match(TokenType.VAR): +4045 mode.append(self._prev.text) +4046 +4047 if mode: +4048 modes.append(" ".join(mode)) +4049 if not self._match(TokenType.COMMA): +4050 break +4051 +4052 return self.expression(exp.Transaction, this=this, modes=modes) +4053 +4054 def _parse_commit_or_rollback(self) -> exp.Expression: +4055 chain = None +4056 savepoint = None +4057 is_rollback = self._prev.token_type == TokenType.ROLLBACK 4058 -4059 return expression +4059 self._match_texts({"TRANSACTION", "WORK"}) 4060 -4061 def _parse_drop_column(self) -> t.Optional[exp.Expression]: -4062 drop = self._match(TokenType.DROP) and self._parse_drop() -4063 if drop and not isinstance(drop, exp.Command): -4064 drop.set("kind", drop.args.get("kind", "COLUMN")) -4065 return drop -4066 -4067 # https://docs.aws.amazon.com/athena/latest/ug/alter-table-drop-partition.html -4068 def _parse_drop_partition(self, exists: t.Optional[bool] = None) -> exp.Expression: -4069 return self.expression( -4070 exp.DropPartition, expressions=self._parse_csv(self._parse_partition), exists=exists -4071 ) +4061 if self._match_text_seq("TO"): +4062 self._match_text_seq("SAVEPOINT") +4063 savepoint = self._parse_id_var() +4064 +4065 if self._match(TokenType.AND): +4066 chain = not self._match_text_seq("NO") +4067 self._match_text_seq("CHAIN") +4068 +4069 if is_rollback: +4070 return self.expression(exp.Rollback, savepoint=savepoint) +4071 return self.expression(exp.Commit, chain=chain) 4072 -4073 def _parse_add_constraint(self) -> t.Optional[exp.Expression]: -4074 this = None -4075 kind = self._prev.token_type +4073 def _parse_add_column(self) -> t.Optional[exp.Expression]: +4074 if not self._match_text_seq("ADD"): +4075 return None 4076 -4077 if kind == TokenType.CONSTRAINT: -4078 this = self._parse_id_var() -4079 -4080 if self._match_text_seq("CHECK"): -4081 expression = self._parse_wrapped(self._parse_conjunction) -4082 enforced = self._match_text_seq("ENFORCED") +4077 self._match(TokenType.COLUMN) +4078 exists_column = self._parse_exists(not_=True) +4079 expression = self._parse_column_def(self._parse_field(any_token=True)) +4080 +4081 if expression: +4082 expression.set("exists", exists_column) 4083 -4084 return self.expression( -4085 exp.AddConstraint, this=this, expression=expression, enforced=enforced -4086 ) -4087 -4088 if kind == TokenType.FOREIGN_KEY or self._match(TokenType.FOREIGN_KEY): -4089 expression = self._parse_foreign_key() -4090 elif kind == TokenType.PRIMARY_KEY or self._match(TokenType.PRIMARY_KEY): -4091 expression = self._parse_primary_key() -4092 else: -4093 expression = None -4094 -4095 return self.expression(exp.AddConstraint, this=this, expression=expression) -4096 -4097 def _parse_alter_table_add(self) -> t.List[t.Optional[exp.Expression]]: -4098 index = self._index - 1 +4084 # https://docs.databricks.com/delta/update-schema.html#explicitly-update-schema-to-add-columns +4085 if self._match_texts(("FIRST", "AFTER")): +4086 position = self._prev.text +4087 column_position = self.expression( +4088 exp.ColumnPosition, this=self._parse_column(), position=position +4089 ) +4090 expression.set("position", column_position) +4091 +4092 return expression +4093 +4094 def _parse_drop_column(self) -> t.Optional[exp.Expression]: +4095 drop = self._match(TokenType.DROP) and self._parse_drop() +4096 if drop and not isinstance(drop, exp.Command): +4097 drop.set("kind", drop.args.get("kind", "COLUMN")) +4098 return drop 4099 -4100 if self._match_set(self.ADD_CONSTRAINT_TOKENS): -4101 return self._parse_csv(self._parse_add_constraint) -4102 -4103 self._retreat(index) -4104 return self._parse_csv(self._parse_add_column) +4100 # https://docs.aws.amazon.com/athena/latest/ug/alter-table-drop-partition.html +4101 def _parse_drop_partition(self, exists: t.Optional[bool] = None) -> exp.Expression: +4102 return self.expression( +4103 exp.DropPartition, expressions=self._parse_csv(self._parse_partition), exists=exists +4104 ) 4105 -4106 def _parse_alter_table_alter(self) -> exp.Expression: -4107 self._match(TokenType.COLUMN) -4108 column = self._parse_field(any_token=True) +4106 def _parse_add_constraint(self) -> t.Optional[exp.Expression]: +4107 this = None +4108 kind = self._prev.token_type 4109 -4110 if self._match_pair(TokenType.DROP, TokenType.DEFAULT): -4111 return self.expression(exp.AlterColumn, this=column, drop=True) -4112 if self._match_pair(TokenType.SET, TokenType.DEFAULT): -4113 return self.expression(exp.AlterColumn, this=column, default=self._parse_conjunction()) -4114 -4115 self._match_text_seq("SET", "DATA") -4116 return self.expression( -4117 exp.AlterColumn, -4118 this=column, -4119 dtype=self._match_text_seq("TYPE") and self._parse_types(), -4120 collate=self._match(TokenType.COLLATE) and self._parse_term(), -4121 using=self._match(TokenType.USING) and self._parse_conjunction(), -4122 ) -4123 -4124 def _parse_alter_table_drop(self) -> t.List[t.Optional[exp.Expression]]: -4125 index = self._index - 1 -4126 -4127 partition_exists = self._parse_exists() -4128 if self._match(TokenType.PARTITION, advance=False): -4129 return self._parse_csv(lambda: self._parse_drop_partition(exists=partition_exists)) -4130 -4131 self._retreat(index) -4132 return self._parse_csv(self._parse_drop_column) -4133 -4134 def _parse_alter_table_rename(self) -> exp.Expression: -4135 self._match_text_seq("TO") -4136 return self.expression(exp.RenameTable, this=self._parse_table(schema=True)) -4137 -4138 def _parse_alter(self) -> t.Optional[exp.Expression]: -4139 start = self._prev -4140 -4141 if not self._match(TokenType.TABLE): -4142 return self._parse_as_command(start) -4143 -4144 exists = self._parse_exists() -4145 this = self._parse_table(schema=True) -4146 -4147 if self._next: -4148 self._advance() -4149 parser = self.ALTER_PARSERS.get(self._prev.text.upper()) if self._prev else None -4150 -4151 if parser: -4152 actions = ensure_list(parser(self)) -4153 -4154 if not self._curr: -4155 return self.expression( -4156 exp.AlterTable, -4157 this=this, -4158 exists=exists, -4159 actions=actions, -4160 ) -4161 return self._parse_as_command(start) -4162 -4163 def _parse_merge(self) -> exp.Expression: -4164 self._match(TokenType.INTO) -4165 target = self._parse_table() +4110 if kind == TokenType.CONSTRAINT: +4111 this = self._parse_id_var() +4112 +4113 if self._match_text_seq("CHECK"): +4114 expression = self._parse_wrapped(self._parse_conjunction) +4115 enforced = self._match_text_seq("ENFORCED") +4116 +4117 return self.expression( +4118 exp.AddConstraint, this=this, expression=expression, enforced=enforced +4119 ) +4120 +4121 if kind == TokenType.FOREIGN_KEY or self._match(TokenType.FOREIGN_KEY): +4122 expression = self._parse_foreign_key() +4123 elif kind == TokenType.PRIMARY_KEY or self._match(TokenType.PRIMARY_KEY): +4124 expression = self._parse_primary_key() +4125 else: +4126 expression = None +4127 +4128 return self.expression(exp.AddConstraint, this=this, expression=expression) +4129 +4130 def _parse_alter_table_add(self) -> t.List[t.Optional[exp.Expression]]: +4131 index = self._index - 1 +4132 +4133 if self._match_set(self.ADD_CONSTRAINT_TOKENS): +4134 return self._parse_csv(self._parse_add_constraint) +4135 +4136 self._retreat(index) +4137 return self._parse_csv(self._parse_add_column) +4138 +4139 def _parse_alter_table_alter(self) -> exp.Expression: +4140 self._match(TokenType.COLUMN) +4141 column = self._parse_field(any_token=True) +4142 +4143 if self._match_pair(TokenType.DROP, TokenType.DEFAULT): +4144 return self.expression(exp.AlterColumn, this=column, drop=True) +4145 if self._match_pair(TokenType.SET, TokenType.DEFAULT): +4146 return self.expression(exp.AlterColumn, this=column, default=self._parse_conjunction()) +4147 +4148 self._match_text_seq("SET", "DATA") +4149 return self.expression( +4150 exp.AlterColumn, +4151 this=column, +4152 dtype=self._match_text_seq("TYPE") and self._parse_types(), +4153 collate=self._match(TokenType.COLLATE) and self._parse_term(), +4154 using=self._match(TokenType.USING) and self._parse_conjunction(), +4155 ) +4156 +4157 def _parse_alter_table_drop(self) -> t.List[t.Optional[exp.Expression]]: +4158 index = self._index - 1 +4159 +4160 partition_exists = self._parse_exists() +4161 if self._match(TokenType.PARTITION, advance=False): +4162 return self._parse_csv(lambda: self._parse_drop_partition(exists=partition_exists)) +4163 +4164 self._retreat(index) +4165 return self._parse_csv(self._parse_drop_column) 4166 -4167 self._match(TokenType.USING) -4168 using = self._parse_table() -4169 -4170 self._match(TokenType.ON) -4171 on = self._parse_conjunction() -4172 -4173 whens = [] -4174 while self._match(TokenType.WHEN): -4175 matched = not self._match(TokenType.NOT) -4176 self._match_text_seq("MATCHED") -4177 source = ( -4178 False -4179 if self._match_text_seq("BY", "TARGET") -4180 else self._match_text_seq("BY", "SOURCE") -4181 ) -4182 condition = self._parse_conjunction() if self._match(TokenType.AND) else None +4167 def _parse_alter_table_rename(self) -> exp.Expression: +4168 self._match_text_seq("TO") +4169 return self.expression(exp.RenameTable, this=self._parse_table(schema=True)) +4170 +4171 def _parse_alter(self) -> t.Optional[exp.Expression]: +4172 start = self._prev +4173 +4174 if not self._match(TokenType.TABLE): +4175 return self._parse_as_command(start) +4176 +4177 exists = self._parse_exists() +4178 this = self._parse_table(schema=True) +4179 +4180 if self._next: +4181 self._advance() +4182 parser = self.ALTER_PARSERS.get(self._prev.text.upper()) if self._prev else None 4183 -4184 self._match(TokenType.THEN) -4185 -4186 if self._match(TokenType.INSERT): -4187 _this = self._parse_star() -4188 if _this: -4189 then: t.Optional[exp.Expression] = self.expression(exp.Insert, this=_this) -4190 else: -4191 then = self.expression( -4192 exp.Insert, -4193 this=self._parse_value(), -4194 expression=self._match(TokenType.VALUES) and self._parse_value(), -4195 ) -4196 elif self._match(TokenType.UPDATE): -4197 expressions = self._parse_star() -4198 if expressions: -4199 then = self.expression(exp.Update, expressions=expressions) -4200 else: -4201 then = self.expression( -4202 exp.Update, -4203 expressions=self._match(TokenType.SET) -4204 and self._parse_csv(self._parse_equality), -4205 ) -4206 elif self._match(TokenType.DELETE): -4207 then = self.expression(exp.Var, this=self._prev.text) -4208 else: -4209 then = None -4210 -4211 whens.append( -4212 self.expression( -4213 exp.When, -4214 matched=matched, -4215 source=source, -4216 condition=condition, -4217 then=then, -4218 ) -4219 ) -4220 -4221 return self.expression( -4222 exp.Merge, -4223 this=target, -4224 using=using, -4225 on=on, -4226 expressions=whens, -4227 ) -4228 -4229 def _parse_show(self) -> t.Optional[exp.Expression]: -4230 parser = self._find_parser(self.SHOW_PARSERS, self._show_trie) # type: ignore -4231 if parser: -4232 return parser(self) -4233 self._advance() -4234 return self.expression(exp.Show, this=self._prev.text.upper()) -4235 -4236 def _parse_set_item_assignment( -4237 self, kind: t.Optional[str] = None -4238 ) -> t.Optional[exp.Expression]: -4239 index = self._index -4240 -4241 if kind in {"GLOBAL", "SESSION"} and self._match_text_seq("TRANSACTION"): -4242 return self._parse_set_transaction(global_=kind == "GLOBAL") +4184 if parser: +4185 actions = ensure_list(parser(self)) +4186 +4187 if not self._curr: +4188 return self.expression( +4189 exp.AlterTable, +4190 this=this, +4191 exists=exists, +4192 actions=actions, +4193 ) +4194 return self._parse_as_command(start) +4195 +4196 def _parse_merge(self) -> exp.Expression: +4197 self._match(TokenType.INTO) +4198 target = self._parse_table() +4199 +4200 self._match(TokenType.USING) +4201 using = self._parse_table() +4202 +4203 self._match(TokenType.ON) +4204 on = self._parse_conjunction() +4205 +4206 whens = [] +4207 while self._match(TokenType.WHEN): +4208 matched = not self._match(TokenType.NOT) +4209 self._match_text_seq("MATCHED") +4210 source = ( +4211 False +4212 if self._match_text_seq("BY", "TARGET") +4213 else self._match_text_seq("BY", "SOURCE") +4214 ) +4215 condition = self._parse_conjunction() if self._match(TokenType.AND) else None +4216 +4217 self._match(TokenType.THEN) +4218 +4219 if self._match(TokenType.INSERT): +4220 _this = self._parse_star() +4221 if _this: +4222 then: t.Optional[exp.Expression] = self.expression(exp.Insert, this=_this) +4223 else: +4224 then = self.expression( +4225 exp.Insert, +4226 this=self._parse_value(), +4227 expression=self._match(TokenType.VALUES) and self._parse_value(), +4228 ) +4229 elif self._match(TokenType.UPDATE): +4230 expressions = self._parse_star() +4231 if expressions: +4232 then = self.expression(exp.Update, expressions=expressions) +4233 else: +4234 then = self.expression( +4235 exp.Update, +4236 expressions=self._match(TokenType.SET) +4237 and self._parse_csv(self._parse_equality), +4238 ) +4239 elif self._match(TokenType.DELETE): +4240 then = self.expression(exp.Var, this=self._prev.text) +4241 else: +4242 then = None 4243 -4244 left = self._parse_primary() or self._parse_id_var() -4245 -4246 if not self._match_texts(("=", "TO")): -4247 self._retreat(index) -4248 return None -4249 -4250 right = self._parse_statement() or self._parse_id_var() -4251 this = self.expression( -4252 exp.EQ, -4253 this=left, -4254 expression=right, -4255 ) -4256 -4257 return self.expression( -4258 exp.SetItem, -4259 this=this, -4260 kind=kind, -4261 ) -4262 -4263 def _parse_set_transaction(self, global_: bool = False) -> exp.Expression: -4264 self._match_text_seq("TRANSACTION") -4265 characteristics = self._parse_csv( -4266 lambda: self._parse_var_from_options(self.TRANSACTION_CHARACTERISTICS) -4267 ) -4268 return self.expression( -4269 exp.SetItem, -4270 expressions=characteristics, -4271 kind="TRANSACTION", -4272 **{"global": global_}, # type: ignore -4273 ) -4274 -4275 def _parse_set_item(self) -> t.Optional[exp.Expression]: -4276 parser = self._find_parser(self.SET_PARSERS, self._set_trie) # type: ignore -4277 return parser(self) if parser else self._parse_set_item_assignment(kind=None) +4244 whens.append( +4245 self.expression( +4246 exp.When, +4247 matched=matched, +4248 source=source, +4249 condition=condition, +4250 then=then, +4251 ) +4252 ) +4253 +4254 return self.expression( +4255 exp.Merge, +4256 this=target, +4257 using=using, +4258 on=on, +4259 expressions=whens, +4260 ) +4261 +4262 def _parse_show(self) -> t.Optional[exp.Expression]: +4263 parser = self._find_parser(self.SHOW_PARSERS, self._show_trie) # type: ignore +4264 if parser: +4265 return parser(self) +4266 self._advance() +4267 return self.expression(exp.Show, this=self._prev.text.upper()) +4268 +4269 def _parse_set_item_assignment( +4270 self, kind: t.Optional[str] = None +4271 ) -> t.Optional[exp.Expression]: +4272 index = self._index +4273 +4274 if kind in {"GLOBAL", "SESSION"} and self._match_text_seq("TRANSACTION"): +4275 return self._parse_set_transaction(global_=kind == "GLOBAL") +4276 +4277 left = self._parse_primary() or self._parse_id_var() 4278 -4279 def _parse_set(self) -> exp.Expression: -4280 index = self._index -4281 set_ = self.expression(exp.Set, expressions=self._parse_csv(self._parse_set_item)) +4279 if not self._match_texts(("=", "TO")): +4280 self._retreat(index) +4281 return None 4282 -4283 if self._curr: -4284 self._retreat(index) -4285 return self._parse_as_command(self._prev) -4286 -4287 return set_ -4288 -4289 def _parse_var_from_options(self, options: t.Collection[str]) -> t.Optional[exp.Expression]: -4290 for option in options: -4291 if self._match_text_seq(*option.split(" ")): -4292 return exp.Var(this=option) -4293 return None -4294 -4295 def _parse_as_command(self, start: Token) -> exp.Command: -4296 while self._curr: -4297 self._advance() -4298 text = self._find_sql(start, self._prev) -4299 size = len(start.text) -4300 return exp.Command(this=text[:size], expression=text[size:]) -4301 -4302 def _find_parser( -4303 self, parsers: t.Dict[str, t.Callable], trie: t.Dict -4304 ) -> t.Optional[t.Callable]: -4305 if not self._curr: -4306 return None +4283 right = self._parse_statement() or self._parse_id_var() +4284 this = self.expression( +4285 exp.EQ, +4286 this=left, +4287 expression=right, +4288 ) +4289 +4290 return self.expression( +4291 exp.SetItem, +4292 this=this, +4293 kind=kind, +4294 ) +4295 +4296 def _parse_set_transaction(self, global_: bool = False) -> exp.Expression: +4297 self._match_text_seq("TRANSACTION") +4298 characteristics = self._parse_csv( +4299 lambda: self._parse_var_from_options(self.TRANSACTION_CHARACTERISTICS) +4300 ) +4301 return self.expression( +4302 exp.SetItem, +4303 expressions=characteristics, +4304 kind="TRANSACTION", +4305 **{"global": global_}, # type: ignore +4306 ) 4307 -4308 index = self._index -4309 this = [] -4310 while True: -4311 # The current token might be multiple words -4312 curr = self._curr.text.upper() -4313 key = curr.split(" ") -4314 this.append(curr) -4315 self._advance() -4316 result, trie = in_trie(trie, key) -4317 if result == 0: -4318 break -4319 if result == 2: -4320 subparser = parsers[" ".join(this)] -4321 return subparser -4322 self._retreat(index) -4323 return None -4324 -4325 def _match(self, token_type, advance=True): -4326 if not self._curr: -4327 return None -4328 -4329 if self._curr.token_type == token_type: -4330 if advance: -4331 self._advance() -4332 return True -4333 -4334 return None -4335 -4336 def _match_set(self, types, advance=True): -4337 if not self._curr: -4338 return None -4339 -4340 if self._curr.token_type in types: -4341 if advance: -4342 self._advance() -4343 return True -4344 -4345 return None -4346 -4347 def _match_pair(self, token_type_a, token_type_b, advance=True): -4348 if not self._curr or not self._next: -4349 return None -4350 -4351 if self._curr.token_type == token_type_a and self._next.token_type == token_type_b: -4352 if advance: -4353 self._advance(2) -4354 return True -4355 +4308 def _parse_set_item(self) -> t.Optional[exp.Expression]: +4309 parser = self._find_parser(self.SET_PARSERS, self._set_trie) # type: ignore +4310 return parser(self) if parser else self._parse_set_item_assignment(kind=None) +4311 +4312 def _parse_set(self) -> exp.Expression: +4313 index = self._index +4314 set_ = self.expression(exp.Set, expressions=self._parse_csv(self._parse_set_item)) +4315 +4316 if self._curr: +4317 self._retreat(index) +4318 return self._parse_as_command(self._prev) +4319 +4320 return set_ +4321 +4322 def _parse_var_from_options(self, options: t.Collection[str]) -> t.Optional[exp.Expression]: +4323 for option in options: +4324 if self._match_text_seq(*option.split(" ")): +4325 return exp.Var(this=option) +4326 return None +4327 +4328 def _parse_as_command(self, start: Token) -> exp.Command: +4329 while self._curr: +4330 self._advance() +4331 text = self._find_sql(start, self._prev) +4332 size = len(start.text) +4333 return exp.Command(this=text[:size], expression=text[size:]) +4334 +4335 def _find_parser( +4336 self, parsers: t.Dict[str, t.Callable], trie: t.Dict +4337 ) -> t.Optional[t.Callable]: +4338 if not self._curr: +4339 return None +4340 +4341 index = self._index +4342 this = [] +4343 while True: +4344 # The current token might be multiple words +4345 curr = self._curr.text.upper() +4346 key = curr.split(" ") +4347 this.append(curr) +4348 self._advance() +4349 result, trie = in_trie(trie, key) +4350 if result == 0: +4351 break +4352 if result == 2: +4353 subparser = parsers[" ".join(this)] +4354 return subparser +4355 self._retreat(index) 4356 return None 4357 -4358 def _match_l_paren(self, expression=None): -4359 if not self._match(TokenType.L_PAREN): -4360 self.raise_error("Expecting (") -4361 if expression and self._prev_comments: -4362 expression.comments = self._prev_comments -4363 -4364 def _match_r_paren(self, expression=None): -4365 if not self._match(TokenType.R_PAREN): -4366 self.raise_error("Expecting )") -4367 if expression and self._prev_comments: -4368 expression.comments = self._prev_comments -4369 -4370 def _match_texts(self, texts, advance=True): -4371 if self._curr and self._curr.text.upper() in texts: -4372 if advance: -4373 self._advance() -4374 return True -4375 return False -4376 -4377 def _match_text_seq(self, *texts, advance=True): -4378 index = self._index -4379 for text in texts: -4380 if self._curr and self._curr.text.upper() == text: -4381 self._advance() -4382 else: -4383 self._retreat(index) -4384 return False -4385 -4386 if not advance: -4387 self._retreat(index) +4358 def _match(self, token_type, advance=True): +4359 if not self._curr: +4360 return None +4361 +4362 if self._curr.token_type == token_type: +4363 if advance: +4364 self._advance() +4365 return True +4366 +4367 return None +4368 +4369 def _match_set(self, types, advance=True): +4370 if not self._curr: +4371 return None +4372 +4373 if self._curr.token_type in types: +4374 if advance: +4375 self._advance() +4376 return True +4377 +4378 return None +4379 +4380 def _match_pair(self, token_type_a, token_type_b, advance=True): +4381 if not self._curr or not self._next: +4382 return None +4383 +4384 if self._curr.token_type == token_type_a and self._next.token_type == token_type_b: +4385 if advance: +4386 self._advance(2) +4387 return True 4388 -4389 return True +4389 return None 4390 -4391 def _replace_columns_with_dots(self, this): -4392 if isinstance(this, exp.Dot): -4393 exp.replace_children(this, self._replace_columns_with_dots) -4394 elif isinstance(this, exp.Column): -4395 exp.replace_children(this, self._replace_columns_with_dots) -4396 table = this.args.get("table") -4397 this = ( -4398 self.expression(exp.Dot, this=table, expression=this.this) -4399 if table -4400 else self.expression(exp.Var, this=this.name) -4401 ) -4402 elif isinstance(this, exp.Identifier): -4403 this = self.expression(exp.Var, this=this.name) -4404 return this -4405 -4406 def _replace_lambda(self, node, lambda_variables): -4407 for column in node.find_all(exp.Column): -4408 if column.parts[0].name in lambda_variables: -4409 dot_or_id = column.to_dot() if column.table else column.this -4410 parent = column.parent -4411 -4412 while isinstance(parent, exp.Dot): -4413 if not isinstance(parent.parent, exp.Dot): -4414 parent.replace(dot_or_id) -4415 break -4416 parent = parent.parent -4417 else: -4418 if column is node: -4419 node = dot_or_id -4420 else: -4421 column.replace(dot_or_id) -4422 return node +4391 def _match_l_paren(self, expression=None): +4392 if not self._match(TokenType.L_PAREN): +4393 self.raise_error("Expecting (") +4394 if expression and self._prev_comments: +4395 expression.comments = self._prev_comments +4396 +4397 def _match_r_paren(self, expression=None): +4398 if not self._match(TokenType.R_PAREN): +4399 self.raise_error("Expecting )") +4400 if expression and self._prev_comments: +4401 expression.comments = self._prev_comments +4402 +4403 def _match_texts(self, texts, advance=True): +4404 if self._curr and self._curr.text.upper() in texts: +4405 if advance: +4406 self._advance() +4407 return True +4408 return False +4409 +4410 def _match_text_seq(self, *texts, advance=True): +4411 index = self._index +4412 for text in texts: +4413 if self._curr and self._curr.text.upper() == text: +4414 self._advance() +4415 else: +4416 self._retreat(index) +4417 return False +4418 +4419 if not advance: +4420 self._retreat(index) +4421 +4422 return True +4423 +4424 def _replace_columns_with_dots(self, this): +4425 if isinstance(this, exp.Dot): +4426 exp.replace_children(this, self._replace_columns_with_dots) +4427 elif isinstance(this, exp.Column): +4428 exp.replace_children(this, self._replace_columns_with_dots) +4429 table = this.args.get("table") +4430 this = ( +4431 self.expression(exp.Dot, this=table, expression=this.this) +4432 if table +4433 else self.expression(exp.Var, this=this.name) +4434 ) +4435 elif isinstance(this, exp.Identifier): +4436 this = self.expression(exp.Var, this=this.name) +4437 return this +4438 +4439 def _replace_lambda(self, node, lambda_variables): +4440 for column in node.find_all(exp.Column): +4441 if column.parts[0].name in lambda_variables: +4442 dot_or_id = column.to_dot() if column.table else column.this +4443 parent = column.parent +4444 +4445 while isinstance(parent, exp.Dot): +4446 if not isinstance(parent.parent, exp.Dot): +4447 parent.replace(dot_or_id) +4448 break +4449 parent = parent.parent +4450 else: +4451 if column is node: +4452 node = dot_or_id +4453 else: +4454 column.replace(dot_or_id) +4455 return node @@ -9000,24 +9066,24 @@ Default: "nulls_are_small" - 
    787    def __init__(
-788        self,
-789        error_level: t.Optional[ErrorLevel] = None,
-790        error_message_context: int = 100,
-791        index_offset: int = 0,
-792        unnest_column_only: bool = False,
-793        alias_post_tablesample: bool = False,
-794        max_errors: int = 3,
-795        null_ordering: t.Optional[str] = None,
-796    ):
-797        self.error_level = error_level or ErrorLevel.IMMEDIATE
-798        self.error_message_context = error_message_context
-799        self.index_offset = index_offset
-800        self.unnest_column_only = unnest_column_only
-801        self.alias_post_tablesample = alias_post_tablesample
-802        self.max_errors = max_errors
-803        self.null_ordering = null_ordering
-804        self.reset()
+            
    794    def __init__(
+795        self,
+796        error_level: t.Optional[ErrorLevel] = None,
+797        error_message_context: int = 100,
+798        index_offset: int = 0,
+799        unnest_column_only: bool = False,
+800        alias_post_tablesample: bool = False,
+801        max_errors: int = 3,
+802        null_ordering: t.Optional[str] = None,
+803    ):
+804        self.error_level = error_level or ErrorLevel.IMMEDIATE
+805        self.error_message_context = error_message_context
+806        self.index_offset = index_offset
+807        self.unnest_column_only = unnest_column_only
+808        self.alias_post_tablesample = alias_post_tablesample
+809        self.max_errors = max_errors
+810        self.null_ordering = null_ordering
+811        self.reset()
 
    
 
 
@@ -9035,15 +9101,15 @@ Default: "nulls_are_small"
    - 
    806    def reset(self):
-807        self.sql = ""
-808        self.errors = []
-809        self._tokens = []
-810        self._index = 0
-811        self._curr = None
-812        self._next = None
-813        self._prev = None
-814        self._prev_comments = None
+            
    813    def reset(self):
+814        self.sql = ""
+815        self.errors = []
+816        self._tokens = []
+817        self._index = 0
+818        self._curr = None
+819        self._next = None
+820        self._prev = None
+821        self._prev_comments = None
 
    
 
 
@@ -9061,23 +9127,23 @@ Default: "nulls_are_small"
    - 
    816    def parse(
-817        self, raw_tokens: t.List[Token], sql: t.Optional[str] = None
-818    ) -> t.List[t.Optional[exp.Expression]]:
-819        """
-820        Parses a list of tokens and returns a list of syntax trees, one tree
-821        per parsed SQL statement.
-822
-823        Args:
-824            raw_tokens: the list of tokens.
-825            sql: the original SQL string, used to produce helpful debug messages.
-826
-827        Returns:
-828            The list of syntax trees.
-829        """
-830        return self._parse(
-831            parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql
-832        )
+            
    823    def parse(
+824        self, raw_tokens: t.List[Token], sql: t.Optional[str] = None
+825    ) -> t.List[t.Optional[exp.Expression]]:
+826        """
+827        Parses a list of tokens and returns a list of syntax trees, one tree
+828        per parsed SQL statement.
+829
+830        Args:
+831            raw_tokens: the list of tokens.
+832            sql: the original SQL string, used to produce helpful debug messages.
+833
+834        Returns:
+835            The list of syntax trees.
+836        """
+837        return self._parse(
+838            parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql
+839        )
 
    
 
 
@@ -9111,39 +9177,39 @@ per parsed SQL statement.
    - 
    834    def parse_into(
-835        self,
-836        expression_types: exp.IntoType,
-837        raw_tokens: t.List[Token],
-838        sql: t.Optional[str] = None,
-839    ) -> t.List[t.Optional[exp.Expression]]:
-840        """
-841        Parses a list of tokens into a given Expression type. If a collection of Expression
-842        types is given instead, this method will try to parse the token list into each one
-843        of them, stopping at the first for which the parsing succeeds.
-844
-845        Args:
-846            expression_types: the expression type(s) to try and parse the token list into.
-847            raw_tokens: the list of tokens.
-848            sql: the original SQL string, used to produce helpful debug messages.
-849
-850        Returns:
-851            The target Expression.
-852        """
-853        errors = []
-854        for expression_type in ensure_collection(expression_types):
-855            parser = self.EXPRESSION_PARSERS.get(expression_type)
-856            if not parser:
-857                raise TypeError(f"No parser registered for {expression_type}")
-858            try:
-859                return self._parse(parser, raw_tokens, sql)
-860            except ParseError as e:
-861                e.errors[0]["into_expression"] = expression_type
-862                errors.append(e)
-863        raise ParseError(
-864            f"Failed to parse into {expression_types}",
-865            errors=merge_errors(errors),
-866        ) from errors[-1]
+            
    841    def parse_into(
+842        self,
+843        expression_types: exp.IntoType,
+844        raw_tokens: t.List[Token],
+845        sql: t.Optional[str] = None,
+846    ) -> t.List[t.Optional[exp.Expression]]:
+847        """
+848        Parses a list of tokens into a given Expression type. If a collection of Expression
+849        types is given instead, this method will try to parse the token list into each one
+850        of them, stopping at the first for which the parsing succeeds.
+851
+852        Args:
+853            expression_types: the expression type(s) to try and parse the token list into.
+854            raw_tokens: the list of tokens.
+855            sql: the original SQL string, used to produce helpful debug messages.
+856
+857        Returns:
+858            The target Expression.
+859        """
+860        errors = []
+861        for expression_type in ensure_collection(expression_types):
+862            parser = self.EXPRESSION_PARSERS.get(expression_type)
+863            if not parser:
+864                raise TypeError(f"No parser registered for {expression_type}")
+865            try:
+866                return self._parse(parser, raw_tokens, sql)
+867            except ParseError as e:
+868                e.errors[0]["into_expression"] = expression_type
+869                errors.append(e)
+870        raise ParseError(
+871            f"Failed to parse into {expression_types}",
+872            errors=merge_errors(errors),
+873        ) from errors[-1]
 
    
 
 
@@ -9179,18 +9245,18 @@ of them, stopping at the first for which the parsing succeeds.
    - 
    902    def check_errors(self) -> None:
-903        """
-904        Logs or raises any found errors, depending on the chosen error level setting.
-905        """
-906        if self.error_level == ErrorLevel.WARN:
-907            for error in self.errors:
-908                logger.error(str(error))
-909        elif self.error_level == ErrorLevel.RAISE and self.errors:
-910            raise ParseError(
-911                concat_messages(self.errors, self.max_errors),
-912                errors=merge_errors(self.errors),
-913            )
+            
    909    def check_errors(self) -> None:
+910        """
+911        Logs or raises any found errors, depending on the chosen error level setting.
+912        """
+913        if self.error_level == ErrorLevel.WARN:
+914            for error in self.errors:
+915                logger.error(str(error))
+916        elif self.error_level == ErrorLevel.RAISE and self.errors:
+917            raise ParseError(
+918                concat_messages(self.errors, self.max_errors),
+919                errors=merge_errors(self.errors),
+920            )
 
    
 
 
@@ -9210,33 +9276,33 @@ of them, stopping at the first for which the parsing succeeds.
    - 
    915    def raise_error(self, message: str, token: t.Optional[Token] = None) -> None:
-916        """
-917        Appends an error in the list of recorded errors or raises it, depending on the chosen
-918        error level setting.
-919        """
-920        token = token or self._curr or self._prev or Token.string("")
-921        start = token.start
-922        end = token.end
-923        start_context = self.sql[max(start - self.error_message_context, 0) : start]
-924        highlight = self.sql[start:end]
-925        end_context = self.sql[end : end + self.error_message_context]
-926
-927        error = ParseError.new(
-928            f"{message}. Line {token.line}, Col: {token.col}.\n"
-929            f"  {start_context}\033[4m{highlight}\033[0m{end_context}",
-930            description=message,
-931            line=token.line,
-932            col=token.col,
-933            start_context=start_context,
-934            highlight=highlight,
-935            end_context=end_context,
-936        )
-937
-938        if self.error_level == ErrorLevel.IMMEDIATE:
-939            raise error
-940
-941        self.errors.append(error)
+            
    922    def raise_error(self, message: str, token: t.Optional[Token] = None) -> None:
+923        """
+924        Appends an error in the list of recorded errors or raises it, depending on the chosen
+925        error level setting.
+926        """
+927        token = token or self._curr or self._prev or Token.string("")
+928        start = token.start
+929        end = token.end
+930        start_context = self.sql[max(start - self.error_message_context, 0) : start]
+931        highlight = self.sql[start:end]
+932        end_context = self.sql[end : end + self.error_message_context]
+933
+934        error = ParseError.new(
+935            f"{message}. Line {token.line}, Col: {token.col}.\n"
+936            f"  {start_context}\033[4m{highlight}\033[0m{end_context}",
+937            description=message,
+938            line=token.line,
+939            col=token.col,
+940            start_context=start_context,
+941            highlight=highlight,
+942            end_context=end_context,
+943        )
+944
+945        if self.error_level == ErrorLevel.IMMEDIATE:
+946            raise error
+947
+948        self.errors.append(error)
 
    
 
 
@@ -9257,28 +9323,28 @@ error level setting.
    - 
    943    def expression(
-944        self, exp_class: t.Type[E], comments: t.Optional[t.List[str]] = None, **kwargs
-945    ) -> E:
-946        """
-947        Creates a new, validated Expression.
-948
-949        Args:
-950            exp_class: the expression class to instantiate.
-951            comments: an optional list of comments to attach to the expression.
-952            kwargs: the arguments to set for the expression along with their respective values.
-953
-954        Returns:
-955            The target expression.
-956        """
-957        instance = exp_class(**kwargs)
-958        if self._prev_comments:
-959            instance.comments = self._prev_comments
-960            self._prev_comments = None
-961        if comments:
-962            instance.comments = comments
-963        self.validate_expression(instance)
-964        return instance
+            
    950    def expression(
+951        self, exp_class: t.Type[E], comments: t.Optional[t.List[str]] = None, **kwargs
+952    ) -> E:
+953        """
+954        Creates a new, validated Expression.
+955
+956        Args:
+957            exp_class: the expression class to instantiate.
+958            comments: an optional list of comments to attach to the expression.
+959            kwargs: the arguments to set for the expression along with their respective values.
+960
+961        Returns:
+962            The target expression.
+963        """
+964        instance = exp_class(**kwargs)
+965        if self._prev_comments:
+966            instance.comments = self._prev_comments
+967            self._prev_comments = None
+968        if comments:
+969            instance.comments = comments
+970        self.validate_expression(instance)
+971        return instance
 
    
 
 
@@ -9312,22 +9378,22 @@ error level setting.
    - 
    966    def validate_expression(
-967        self, expression: exp.Expression, args: t.Optional[t.List] = None
-968    ) -> None:
-969        """
-970        Validates an already instantiated expression, making sure that all its mandatory arguments
-971        are set.
-972
-973        Args:
-974            expression: the expression to validate.
-975            args: an optional list of items that was used to instantiate the expression, if it's a Func.
-976        """
-977        if self.error_level == ErrorLevel.IGNORE:
-978            return
+            
    973    def validate_expression(
+974        self, expression: exp.Expression, args: t.Optional[t.List] = None
+975    ) -> None:
+976        """
+977        Validates an already instantiated expression, making sure that all its mandatory arguments
+978        are set.
 979
-980        for error_message in expression.error_messages(args):
-981            self.raise_error(error_message)
+980        Args:
+981            expression: the expression to validate.
+982            args: an optional list of items that was used to instantiate the expression, if it's a Func.
+983        """
+984        if self.error_level == ErrorLevel.IGNORE:
+985            return
+986
+987        for error_message in expression.error_messages(args):
+988            self.raise_error(error_message)
 
    
 
 
diff --git a/docs/sqlglot/tokens.html b/docs/sqlglot/tokens.html
index 822a76d..91afd40 100644
--- a/docs/sqlglot/tokens.html
+++ b/docs/sqlglot/tokens.html
@@ -633,6 +633,9 @@
                         
  • 
                                 JOIN_MARKER
                         
    • 
+                        
  • 
+                                KEEP
+                        
    • 
                         
  • 
                                 LANGUAGE
                         
    • 
@@ -684,6 +687,9 @@
                         
  • 
                                 NEXT
                         
    • 
+                        
  • 
+                                NEXT_VALUE_FOR
+                        
    • 
                         
  • 
                                 NO_ACTION
                         
    • 
@@ -1206,949 +1212,953 @@
      215    ISNULL = auto()
  216    JOIN = auto()
  217    JOIN_MARKER = auto()
- 218    LANGUAGE = auto()
- 219    LATERAL = auto()
- 220    LAZY = auto()
- 221    LEADING = auto()
- 222    LEFT = auto()
- 223    LIKE = auto()
- 224    LIKE_ANY = auto()
- 225    LIMIT = auto()
- 226    LOAD_DATA = auto()
- 227    LOCAL = auto()
- 228    MAP = auto()
- 229    MATCH_RECOGNIZE = auto()
- 230    MATERIALIZED = auto()
- 231    MERGE = auto()
- 232    MOD = auto()
- 233    NATURAL = auto()
- 234    NEXT = auto()
- 235    NO_ACTION = auto()
- 236    NOTNULL = auto()
- 237    NULL = auto()
- 238    NULLS_FIRST = auto()
- 239    NULLS_LAST = auto()
- 240    OFFSET = auto()
- 241    ON = auto()
- 242    ONLY = auto()
- 243    OPTIONS = auto()
- 244    ORDER_BY = auto()
- 245    ORDERED = auto()
- 246    ORDINALITY = auto()
- 247    OUTER = auto()
- 248    OUT_OF = auto()
- 249    OVER = auto()
- 250    OVERLAPS = auto()
- 251    OVERWRITE = auto()
- 252    PARTITION = auto()
- 253    PARTITION_BY = auto()
- 254    PERCENT = auto()
- 255    PIVOT = auto()
- 256    PLACEHOLDER = auto()
- 257    PRAGMA = auto()
- 258    PRECEDING = auto()
- 259    PRIMARY_KEY = auto()
- 260    PROCEDURE = auto()
- 261    PROPERTIES = auto()
- 262    PSEUDO_TYPE = auto()
- 263    QUALIFY = auto()
- 264    QUOTE = auto()
- 265    RANGE = auto()
- 266    RECURSIVE = auto()
- 267    REPLACE = auto()
- 268    RESPECT_NULLS = auto()
- 269    RETURNING = auto()
- 270    REFERENCES = auto()
- 271    RIGHT = auto()
- 272    RLIKE = auto()
- 273    ROLLBACK = auto()
- 274    ROLLUP = auto()
- 275    ROW = auto()
- 276    ROWS = auto()
- 277    SEED = auto()
- 278    SELECT = auto()
- 279    SEMI = auto()
- 280    SEPARATOR = auto()
- 281    SERDE_PROPERTIES = auto()
- 282    SET = auto()
- 283    SHOW = auto()
- 284    SIMILAR_TO = auto()
- 285    SOME = auto()
- 286    SORTKEY = auto()
- 287    SORT_BY = auto()
- 288    STRUCT = auto()
- 289    TABLE_SAMPLE = auto()
- 290    TEMPORARY = auto()
- 291    TOP = auto()
- 292    THEN = auto()
- 293    TRAILING = auto()
- 294    TRUE = auto()
- 295    UNBOUNDED = auto()
- 296    UNCACHE = auto()
- 297    UNION = auto()
- 298    UNLOGGED = auto()
- 299    UNNEST = auto()
- 300    UNPIVOT = auto()
- 301    UPDATE = auto()
- 302    USE = auto()
- 303    USING = auto()
- 304    VALUES = auto()
- 305    VIEW = auto()
- 306    VOLATILE = auto()
- 307    WHEN = auto()
- 308    WHERE = auto()
- 309    WINDOW = auto()
- 310    WITH = auto()
- 311    WITH_TIME_ZONE = auto()
- 312    WITH_LOCAL_TIME_ZONE = auto()
- 313    WITHIN_GROUP = auto()
- 314    WITHOUT_TIME_ZONE = auto()
- 315    UNIQUE = auto()
- 316
- 317
- 318class Token:
- 319    __slots__ = ("token_type", "text", "line", "col", "end", "comments")
- 320
- 321    @classmethod
- 322    def number(cls, number: int) -> Token:
- 323        """Returns a NUMBER token with `number` as its text."""
- 324        return cls(TokenType.NUMBER, str(number))
- 325
- 326    @classmethod
- 327    def string(cls, string: str) -> Token:
- 328        """Returns a STRING token with `string` as its text."""
- 329        return cls(TokenType.STRING, string)
- 330
- 331    @classmethod
- 332    def identifier(cls, identifier: str) -> Token:
- 333        """Returns an IDENTIFIER token with `identifier` as its text."""
- 334        return cls(TokenType.IDENTIFIER, identifier)
- 335
- 336    @classmethod
- 337    def var(cls, var: str) -> Token:
- 338        """Returns an VAR token with `var` as its text."""
- 339        return cls(TokenType.VAR, var)
- 340
- 341    def __init__(
- 342        self,
- 343        token_type: TokenType,
- 344        text: str,
- 345        line: int = 1,
- 346        col: int = 1,
- 347        end: int = 0,
- 348        comments: t.List[str] = [],
- 349    ) -> None:
- 350        self.token_type = token_type
- 351        self.text = text
- 352        self.line = line
- 353        size = len(text)
- 354        self.col = col
- 355        self.end = end if end else size
- 356        self.comments = comments
- 357
- 358    @property
- 359    def start(self) -> int:
- 360        """Returns the start of the token."""
- 361        return self.end - len(self.text)
- 362
- 363    def __repr__(self) -> str:
- 364        attributes = ", ".join(f"{k}: {getattr(self, k)}" for k in self.__slots__)
- 365        return f"<Token {attributes}>"
- 366
- 367
- 368class _Tokenizer(type):
- 369    def __new__(cls, clsname, bases, attrs):
- 370        klass = super().__new__(cls, clsname, bases, attrs)
- 371
- 372        klass._QUOTES = {
- 373            f"{prefix}{s}": e
- 374            for s, e in cls._delimeter_list_to_dict(klass.QUOTES).items()
- 375            for prefix in (("",) if s[0].isalpha() else ("", "n", "N"))
- 376        }
- 377        klass._BIT_STRINGS = cls._delimeter_list_to_dict(klass.BIT_STRINGS)
- 378        klass._HEX_STRINGS = cls._delimeter_list_to_dict(klass.HEX_STRINGS)
- 379        klass._BYTE_STRINGS = cls._delimeter_list_to_dict(klass.BYTE_STRINGS)
- 380        klass._IDENTIFIERS = cls._delimeter_list_to_dict(klass.IDENTIFIERS)
- 381        klass._STRING_ESCAPES = set(klass.STRING_ESCAPES)
- 382        klass._IDENTIFIER_ESCAPES = set(klass.IDENTIFIER_ESCAPES)
- 383        klass._COMMENTS = dict(
- 384            (comment, None) if isinstance(comment, str) else (comment[0], comment[1])
- 385            for comment in klass.COMMENTS
- 386        )
- 387
- 388        klass.KEYWORD_TRIE = new_trie(
- 389            key.upper()
- 390            for key in {
- 391                **klass.KEYWORDS,
- 392                **{comment: TokenType.COMMENT for comment in klass._COMMENTS},
- 393                **{quote: TokenType.QUOTE for quote in klass._QUOTES},
- 394                **{bit_string: TokenType.BIT_STRING for bit_string in klass._BIT_STRINGS},
- 395                **{hex_string: TokenType.HEX_STRING for hex_string in klass._HEX_STRINGS},
- 396                **{byte_string: TokenType.BYTE_STRING for byte_string in klass._BYTE_STRINGS},
- 397            }
- 398            if " " in key or any(single in key for single in klass.SINGLE_TOKENS)
- 399        )
- 400
- 401        return klass
+ 218    KEEP = auto()
+ 219    LANGUAGE = auto()
+ 220    LATERAL = auto()
+ 221    LAZY = auto()
+ 222    LEADING = auto()
+ 223    LEFT = auto()
+ 224    LIKE = auto()
+ 225    LIKE_ANY = auto()
+ 226    LIMIT = auto()
+ 227    LOAD_DATA = auto()
+ 228    LOCAL = auto()
+ 229    MAP = auto()
+ 230    MATCH_RECOGNIZE = auto()
+ 231    MATERIALIZED = auto()
+ 232    MERGE = auto()
+ 233    MOD = auto()
+ 234    NATURAL = auto()
+ 235    NEXT = auto()
+ 236    NEXT_VALUE_FOR = auto()
+ 237    NO_ACTION = auto()
+ 238    NOTNULL = auto()
+ 239    NULL = auto()
+ 240    NULLS_FIRST = auto()
+ 241    NULLS_LAST = auto()
+ 242    OFFSET = auto()
+ 243    ON = auto()
+ 244    ONLY = auto()
+ 245    OPTIONS = auto()
+ 246    ORDER_BY = auto()
+ 247    ORDERED = auto()
+ 248    ORDINALITY = auto()
+ 249    OUTER = auto()
+ 250    OUT_OF = auto()
+ 251    OVER = auto()
+ 252    OVERLAPS = auto()
+ 253    OVERWRITE = auto()
+ 254    PARTITION = auto()
+ 255    PARTITION_BY = auto()
+ 256    PERCENT = auto()
+ 257    PIVOT = auto()
+ 258    PLACEHOLDER = auto()
+ 259    PRAGMA = auto()
+ 260    PRECEDING = auto()
+ 261    PRIMARY_KEY = auto()
+ 262    PROCEDURE = auto()
+ 263    PROPERTIES = auto()
+ 264    PSEUDO_TYPE = auto()
+ 265    QUALIFY = auto()
+ 266    QUOTE = auto()
+ 267    RANGE = auto()
+ 268    RECURSIVE = auto()
+ 269    REPLACE = auto()
+ 270    RESPECT_NULLS = auto()
+ 271    RETURNING = auto()
+ 272    REFERENCES = auto()
+ 273    RIGHT = auto()
+ 274    RLIKE = auto()
+ 275    ROLLBACK = auto()
+ 276    ROLLUP = auto()
+ 277    ROW = auto()
+ 278    ROWS = auto()
+ 279    SEED = auto()
+ 280    SELECT = auto()
+ 281    SEMI = auto()
+ 282    SEPARATOR = auto()
+ 283    SERDE_PROPERTIES = auto()
+ 284    SET = auto()
+ 285    SHOW = auto()
+ 286    SIMILAR_TO = auto()
+ 287    SOME = auto()
+ 288    SORTKEY = auto()
+ 289    SORT_BY = auto()
+ 290    STRUCT = auto()
+ 291    TABLE_SAMPLE = auto()
+ 292    TEMPORARY = auto()
+ 293    TOP = auto()
+ 294    THEN = auto()
+ 295    TRAILING = auto()
+ 296    TRUE = auto()
+ 297    UNBOUNDED = auto()
+ 298    UNCACHE = auto()
+ 299    UNION = auto()
+ 300    UNLOGGED = auto()
+ 301    UNNEST = auto()
+ 302    UNPIVOT = auto()
+ 303    UPDATE = auto()
+ 304    USE = auto()
+ 305    USING = auto()
+ 306    VALUES = auto()
+ 307    VIEW = auto()
+ 308    VOLATILE = auto()
+ 309    WHEN = auto()
+ 310    WHERE = auto()
+ 311    WINDOW = auto()
+ 312    WITH = auto()
+ 313    WITH_TIME_ZONE = auto()
+ 314    WITH_LOCAL_TIME_ZONE = auto()
+ 315    WITHIN_GROUP = auto()
+ 316    WITHOUT_TIME_ZONE = auto()
+ 317    UNIQUE = auto()
+ 318
+ 319
+ 320class Token:
+ 321    __slots__ = ("token_type", "text", "line", "col", "end", "comments")
+ 322
+ 323    @classmethod
+ 324    def number(cls, number: int) -> Token:
+ 325        """Returns a NUMBER token with `number` as its text."""
+ 326        return cls(TokenType.NUMBER, str(number))
+ 327
+ 328    @classmethod
+ 329    def string(cls, string: str) -> Token:
+ 330        """Returns a STRING token with `string` as its text."""
+ 331        return cls(TokenType.STRING, string)
+ 332
+ 333    @classmethod
+ 334    def identifier(cls, identifier: str) -> Token:
+ 335        """Returns an IDENTIFIER token with `identifier` as its text."""
+ 336        return cls(TokenType.IDENTIFIER, identifier)
+ 337
+ 338    @classmethod
+ 339    def var(cls, var: str) -> Token:
+ 340        """Returns an VAR token with `var` as its text."""
+ 341        return cls(TokenType.VAR, var)
+ 342
+ 343    def __init__(
+ 344        self,
+ 345        token_type: TokenType,
+ 346        text: str,
+ 347        line: int = 1,
+ 348        col: int = 1,
+ 349        end: int = 0,
+ 350        comments: t.List[str] = [],
+ 351    ) -> None:
+ 352        self.token_type = token_type
+ 353        self.text = text
+ 354        self.line = line
+ 355        size = len(text)
+ 356        self.col = col
+ 357        self.end = end if end else size
+ 358        self.comments = comments
+ 359
+ 360    @property
+ 361    def start(self) -> int:
+ 362        """Returns the start of the token."""
+ 363        return self.end - len(self.text)
+ 364
+ 365    def __repr__(self) -> str:
+ 366        attributes = ", ".join(f"{k}: {getattr(self, k)}" for k in self.__slots__)
+ 367        return f"<Token {attributes}>"
+ 368
+ 369
+ 370class _Tokenizer(type):
+ 371    def __new__(cls, clsname, bases, attrs):
+ 372        klass = super().__new__(cls, clsname, bases, attrs)
+ 373
+ 374        klass._QUOTES = {
+ 375            f"{prefix}{s}": e
+ 376            for s, e in cls._delimeter_list_to_dict(klass.QUOTES).items()
+ 377            for prefix in (("",) if s[0].isalpha() else ("", "n", "N"))
+ 378        }
+ 379        klass._BIT_STRINGS = cls._delimeter_list_to_dict(klass.BIT_STRINGS)
+ 380        klass._HEX_STRINGS = cls._delimeter_list_to_dict(klass.HEX_STRINGS)
+ 381        klass._BYTE_STRINGS = cls._delimeter_list_to_dict(klass.BYTE_STRINGS)
+ 382        klass._IDENTIFIERS = cls._delimeter_list_to_dict(klass.IDENTIFIERS)
+ 383        klass._STRING_ESCAPES = set(klass.STRING_ESCAPES)
+ 384        klass._IDENTIFIER_ESCAPES = set(klass.IDENTIFIER_ESCAPES)
+ 385        klass._COMMENTS = dict(
+ 386            (comment, None) if isinstance(comment, str) else (comment[0], comment[1])
+ 387            for comment in klass.COMMENTS
+ 388        )
+ 389
+ 390        klass.KEYWORD_TRIE = new_trie(
+ 391            key.upper()
+ 392            for key in {
+ 393                **klass.KEYWORDS,
+ 394                **{comment: TokenType.COMMENT for comment in klass._COMMENTS},
+ 395                **{quote: TokenType.QUOTE for quote in klass._QUOTES},
+ 396                **{bit_string: TokenType.BIT_STRING for bit_string in klass._BIT_STRINGS},
+ 397                **{hex_string: TokenType.HEX_STRING for hex_string in klass._HEX_STRINGS},
+ 398                **{byte_string: TokenType.BYTE_STRING for byte_string in klass._BYTE_STRINGS},
+ 399            }
+ 400            if " " in key or any(single in key for single in klass.SINGLE_TOKENS)
+ 401        )
  402
- 403    @staticmethod
- 404    def _delimeter_list_to_dict(list: t.List[str | t.Tuple[str, str]]) -> t.Dict[str, str]:
- 405        return dict((item, item) if isinstance(item, str) else (item[0], item[1]) for item in list)
- 406
- 407
- 408class Tokenizer(metaclass=_Tokenizer):
- 409    SINGLE_TOKENS = {
- 410        "(": TokenType.L_PAREN,
- 411        ")": TokenType.R_PAREN,
- 412        "[": TokenType.L_BRACKET,
- 413        "]": TokenType.R_BRACKET,
- 414        "{": TokenType.L_BRACE,
- 415        "}": TokenType.R_BRACE,
- 416        "&": TokenType.AMP,
- 417        "^": TokenType.CARET,
- 418        ":": TokenType.COLON,
- 419        ",": TokenType.COMMA,
- 420        ".": TokenType.DOT,
- 421        "-": TokenType.DASH,
- 422        "=": TokenType.EQ,
- 423        ">": TokenType.GT,
- 424        "<": TokenType.LT,
- 425        "%": TokenType.MOD,
- 426        "!": TokenType.NOT,
- 427        "|": TokenType.PIPE,
- 428        "+": TokenType.PLUS,
- 429        ";": TokenType.SEMICOLON,
- 430        "/": TokenType.SLASH,
- 431        "\\": TokenType.BACKSLASH,
- 432        "*": TokenType.STAR,
- 433        "~": TokenType.TILDA,
- 434        "?": TokenType.PLACEHOLDER,
- 435        "@": TokenType.PARAMETER,
- 436        # used for breaking a var like x'y' but nothing else
- 437        # the token type doesn't matter
- 438        "'": TokenType.QUOTE,
- 439        "`": TokenType.IDENTIFIER,
- 440        '"': TokenType.IDENTIFIER,
- 441        "#": TokenType.HASH,
- 442    }
- 443
- 444    BIT_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 445    BYTE_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 446    HEX_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 447    IDENTIFIERS: t.List[str | t.Tuple[str, str]] = ['"']
- 448    IDENTIFIER_ESCAPES = ['"']
- 449    QUOTES: t.List[t.Tuple[str, str] | str] = ["'"]
- 450    STRING_ESCAPES = ["'"]
- 451    VAR_SINGLE_TOKENS: t.Set[str] = set()
- 452
- 453    _COMMENTS: t.Dict[str, str] = {}
- 454    _BIT_STRINGS: t.Dict[str, str] = {}
- 455    _BYTE_STRINGS: t.Dict[str, str] = {}
- 456    _HEX_STRINGS: t.Dict[str, str] = {}
- 457    _IDENTIFIERS: t.Dict[str, str] = {}
- 458    _IDENTIFIER_ESCAPES: t.Set[str] = set()
- 459    _QUOTES: t.Dict[str, str] = {}
- 460    _STRING_ESCAPES: t.Set[str] = set()
- 461
- 462    KEYWORDS: t.Dict[t.Optional[str], TokenType] = {
- 463        **{f"{{%{postfix}": TokenType.BLOCK_START for postfix in ("", "+", "-")},
- 464        **{f"{prefix}%}}": TokenType.BLOCK_END for prefix in ("", "+", "-")},
- 465        "{{+": TokenType.BLOCK_START,
- 466        "{{-": TokenType.BLOCK_START,
- 467        "+}}": TokenType.BLOCK_END,
- 468        "-}}": TokenType.BLOCK_END,
- 469        "/*+": TokenType.HINT,
- 470        "==": TokenType.EQ,
- 471        "::": TokenType.DCOLON,
- 472        "||": TokenType.DPIPE,
- 473        ">=": TokenType.GTE,
- 474        "<=": TokenType.LTE,
- 475        "<>": TokenType.NEQ,
- 476        "!=": TokenType.NEQ,
- 477        "<=>": TokenType.NULLSAFE_EQ,
- 478        "->": TokenType.ARROW,
- 479        "->>": TokenType.DARROW,
- 480        "=>": TokenType.FARROW,
- 481        "#>": TokenType.HASH_ARROW,
- 482        "#>>": TokenType.DHASH_ARROW,
- 483        "<->": TokenType.LR_ARROW,
- 484        "&&": TokenType.DAMP,
- 485        "ALL": TokenType.ALL,
- 486        "ALWAYS": TokenType.ALWAYS,
- 487        "AND": TokenType.AND,
- 488        "ANTI": TokenType.ANTI,
- 489        "ANY": TokenType.ANY,
- 490        "ASC": TokenType.ASC,
- 491        "AS": TokenType.ALIAS,
- 492        "AT TIME ZONE": TokenType.AT_TIME_ZONE,
- 493        "AUTOINCREMENT": TokenType.AUTO_INCREMENT,
- 494        "AUTO_INCREMENT": TokenType.AUTO_INCREMENT,
- 495        "BEGIN": TokenType.BEGIN,
- 496        "BETWEEN": TokenType.BETWEEN,
- 497        "BOTH": TokenType.BOTH,
- 498        "BUCKET": TokenType.BUCKET,
- 499        "BY DEFAULT": TokenType.BY_DEFAULT,
- 500        "CACHE": TokenType.CACHE,
- 501        "UNCACHE": TokenType.UNCACHE,
- 502        "CASE": TokenType.CASE,
- 503        "CASCADE": TokenType.CASCADE,
- 504        "CHARACTER SET": TokenType.CHARACTER_SET,
- 505        "CLUSTER BY": TokenType.CLUSTER_BY,
- 506        "COLLATE": TokenType.COLLATE,
- 507        "COLUMN": TokenType.COLUMN,
- 508        "COMMIT": TokenType.COMMIT,
- 509        "COMPOUND": TokenType.COMPOUND,
- 510        "CONSTRAINT": TokenType.CONSTRAINT,
- 511        "CREATE": TokenType.CREATE,
- 512        "CROSS": TokenType.CROSS,
- 513        "CUBE": TokenType.CUBE,
- 514        "CURRENT_DATE": TokenType.CURRENT_DATE,
- 515        "CURRENT ROW": TokenType.CURRENT_ROW,
- 516        "CURRENT_TIME": TokenType.CURRENT_TIME,
- 517        "CURRENT_TIMESTAMP": TokenType.CURRENT_TIMESTAMP,
- 518        "CURRENT_USER": TokenType.CURRENT_USER,
- 519        "DATABASE": TokenType.DATABASE,
- 520        "DEFAULT": TokenType.DEFAULT,
- 521        "DELETE": TokenType.DELETE,
- 522        "DESC": TokenType.DESC,
- 523        "DESCRIBE": TokenType.DESCRIBE,
- 524        "DISTINCT": TokenType.DISTINCT,
- 525        "DISTINCT FROM": TokenType.DISTINCT_FROM,
- 526        "DISTRIBUTE BY": TokenType.DISTRIBUTE_BY,
- 527        "DIV": TokenType.DIV,
- 528        "DROP": TokenType.DROP,
- 529        "ELSE": TokenType.ELSE,
- 530        "END": TokenType.END,
- 531        "ESCAPE": TokenType.ESCAPE,
- 532        "EXCEPT": TokenType.EXCEPT,
- 533        "EXECUTE": TokenType.EXECUTE,
- 534        "EXISTS": TokenType.EXISTS,
- 535        "FALSE": TokenType.FALSE,
- 536        "FETCH": TokenType.FETCH,
- 537        "FILTER": TokenType.FILTER,
- 538        "FIRST": TokenType.FIRST,
- 539        "FULL": TokenType.FULL,
- 540        "FUNCTION": TokenType.FUNCTION,
- 541        "FOLLOWING": TokenType.FOLLOWING,
- 542        "FOR": TokenType.FOR,
- 543        "FOREIGN KEY": TokenType.FOREIGN_KEY,
- 544        "FORMAT": TokenType.FORMAT,
- 545        "FROM": TokenType.FROM,
- 546        "GLOB": TokenType.GLOB,
- 547        "GROUP BY": TokenType.GROUP_BY,
- 548        "GROUPING SETS": TokenType.GROUPING_SETS,
- 549        "HAVING": TokenType.HAVING,
- 550        "IF": TokenType.IF,
- 551        "ILIKE": TokenType.ILIKE,
- 552        "IGNORE NULLS": TokenType.IGNORE_NULLS,
- 553        "IN": TokenType.IN,
- 554        "INDEX": TokenType.INDEX,
- 555        "INET": TokenType.INET,
- 556        "INNER": TokenType.INNER,
- 557        "INSERT": TokenType.INSERT,
- 558        "INTERVAL": TokenType.INTERVAL,
- 559        "INTERSECT": TokenType.INTERSECT,
- 560        "INTO": TokenType.INTO,
- 561        "IS": TokenType.IS,
- 562        "ISNULL": TokenType.ISNULL,
- 563        "JOIN": TokenType.JOIN,
- 564        "LATERAL": TokenType.LATERAL,
- 565        "LAZY": TokenType.LAZY,
- 566        "LEADING": TokenType.LEADING,
- 567        "LEFT": TokenType.LEFT,
- 568        "LIKE": TokenType.LIKE,
- 569        "LIMIT": TokenType.LIMIT,
- 570        "LOAD DATA": TokenType.LOAD_DATA,
- 571        "LOCAL": TokenType.LOCAL,
- 572        "MATERIALIZED": TokenType.MATERIALIZED,
- 573        "MERGE": TokenType.MERGE,
- 574        "NATURAL": TokenType.NATURAL,
- 575        "NEXT": TokenType.NEXT,
- 576        "NO ACTION": TokenType.NO_ACTION,
- 577        "NOT": TokenType.NOT,
- 578        "NOTNULL": TokenType.NOTNULL,
- 579        "NULL": TokenType.NULL,
- 580        "NULLS FIRST": TokenType.NULLS_FIRST,
- 581        "NULLS LAST": TokenType.NULLS_LAST,
- 582        "OBJECT": TokenType.OBJECT,
- 583        "OFFSET": TokenType.OFFSET,
- 584        "ON": TokenType.ON,
- 585        "ONLY": TokenType.ONLY,
- 586        "OPTIONS": TokenType.OPTIONS,
- 587        "OR": TokenType.OR,
- 588        "ORDER BY": TokenType.ORDER_BY,
- 589        "ORDINALITY": TokenType.ORDINALITY,
- 590        "OUTER": TokenType.OUTER,
- 591        "OUT OF": TokenType.OUT_OF,
- 592        "OVER": TokenType.OVER,
- 593        "OVERLAPS": TokenType.OVERLAPS,
- 594        "OVERWRITE": TokenType.OVERWRITE,
- 595        "PARTITION": TokenType.PARTITION,
- 596        "PARTITION BY": TokenType.PARTITION_BY,
- 597        "PARTITIONED BY": TokenType.PARTITION_BY,
- 598        "PARTITIONED_BY": TokenType.PARTITION_BY,
- 599        "PERCENT": TokenType.PERCENT,
- 600        "PIVOT": TokenType.PIVOT,
- 601        "PRAGMA": TokenType.PRAGMA,
- 602        "PRECEDING": TokenType.PRECEDING,
- 603        "PRIMARY KEY": TokenType.PRIMARY_KEY,
- 604        "PROCEDURE": TokenType.PROCEDURE,
- 605        "QUALIFY": TokenType.QUALIFY,
- 606        "RANGE": TokenType.RANGE,
- 607        "RECURSIVE": TokenType.RECURSIVE,
- 608        "REGEXP": TokenType.RLIKE,
- 609        "REPLACE": TokenType.REPLACE,
- 610        "RESPECT NULLS": TokenType.RESPECT_NULLS,
- 611        "REFERENCES": TokenType.REFERENCES,
- 612        "RIGHT": TokenType.RIGHT,
- 613        "RLIKE": TokenType.RLIKE,
- 614        "ROLLBACK": TokenType.ROLLBACK,
- 615        "ROLLUP": TokenType.ROLLUP,
- 616        "ROW": TokenType.ROW,
- 617        "ROWS": TokenType.ROWS,
- 618        "SCHEMA": TokenType.SCHEMA,
- 619        "SEED": TokenType.SEED,
- 620        "SELECT": TokenType.SELECT,
- 621        "SEMI": TokenType.SEMI,
- 622        "SET": TokenType.SET,
- 623        "SHOW": TokenType.SHOW,
- 624        "SIMILAR TO": TokenType.SIMILAR_TO,
- 625        "SOME": TokenType.SOME,
- 626        "SORTKEY": TokenType.SORTKEY,
- 627        "SORT BY": TokenType.SORT_BY,
- 628        "TABLE": TokenType.TABLE,
- 629        "TABLESAMPLE": TokenType.TABLE_SAMPLE,
- 630        "TEMP": TokenType.TEMPORARY,
- 631        "TEMPORARY": TokenType.TEMPORARY,
- 632        "THEN": TokenType.THEN,
- 633        "TRUE": TokenType.TRUE,
- 634        "TRAILING": TokenType.TRAILING,
- 635        "UNBOUNDED": TokenType.UNBOUNDED,
- 636        "UNION": TokenType.UNION,
- 637        "UNLOGGED": TokenType.UNLOGGED,
- 638        "UNNEST": TokenType.UNNEST,
- 639        "UNPIVOT": TokenType.UNPIVOT,
- 640        "UPDATE": TokenType.UPDATE,
- 641        "USE": TokenType.USE,
- 642        "USING": TokenType.USING,
- 643        "UUID": TokenType.UUID,
- 644        "VALUES": TokenType.VALUES,
- 645        "VIEW": TokenType.VIEW,
- 646        "VOLATILE": TokenType.VOLATILE,
- 647        "WHEN": TokenType.WHEN,
- 648        "WHERE": TokenType.WHERE,
- 649        "WINDOW": TokenType.WINDOW,
- 650        "WITH": TokenType.WITH,
- 651        "WITH TIME ZONE": TokenType.WITH_TIME_ZONE,
- 652        "WITH LOCAL TIME ZONE": TokenType.WITH_LOCAL_TIME_ZONE,
- 653        "WITHIN GROUP": TokenType.WITHIN_GROUP,
- 654        "WITHOUT TIME ZONE": TokenType.WITHOUT_TIME_ZONE,
- 655        "APPLY": TokenType.APPLY,
- 656        "ARRAY": TokenType.ARRAY,
- 657        "BIT": TokenType.BIT,
- 658        "BOOL": TokenType.BOOLEAN,
- 659        "BOOLEAN": TokenType.BOOLEAN,
- 660        "BYTE": TokenType.TINYINT,
- 661        "TINYINT": TokenType.TINYINT,
- 662        "SHORT": TokenType.SMALLINT,
- 663        "SMALLINT": TokenType.SMALLINT,
- 664        "INT2": TokenType.SMALLINT,
- 665        "INTEGER": TokenType.INT,
- 666        "INT": TokenType.INT,
- 667        "INT4": TokenType.INT,
- 668        "LONG": TokenType.BIGINT,
- 669        "BIGINT": TokenType.BIGINT,
- 670        "INT8": TokenType.BIGINT,
- 671        "DEC": TokenType.DECIMAL,
- 672        "DECIMAL": TokenType.DECIMAL,
- 673        "BIGDECIMAL": TokenType.BIGDECIMAL,
- 674        "BIGNUMERIC": TokenType.BIGDECIMAL,
- 675        "MAP": TokenType.MAP,
- 676        "NULLABLE": TokenType.NULLABLE,
- 677        "NUMBER": TokenType.DECIMAL,
- 678        "NUMERIC": TokenType.DECIMAL,
- 679        "FIXED": TokenType.DECIMAL,
- 680        "REAL": TokenType.FLOAT,
- 681        "FLOAT": TokenType.FLOAT,
- 682        "FLOAT4": TokenType.FLOAT,
- 683        "FLOAT8": TokenType.DOUBLE,
- 684        "DOUBLE": TokenType.DOUBLE,
- 685        "DOUBLE PRECISION": TokenType.DOUBLE,
- 686        "JSON": TokenType.JSON,
- 687        "CHAR": TokenType.CHAR,
- 688        "CHARACTER": TokenType.CHAR,
- 689        "NCHAR": TokenType.NCHAR,
- 690        "VARCHAR": TokenType.VARCHAR,
- 691        "VARCHAR2": TokenType.VARCHAR,
- 692        "NVARCHAR": TokenType.NVARCHAR,
- 693        "NVARCHAR2": TokenType.NVARCHAR,
- 694        "STR": TokenType.TEXT,
- 695        "STRING": TokenType.TEXT,
- 696        "TEXT": TokenType.TEXT,
- 697        "CLOB": TokenType.TEXT,
- 698        "LONGVARCHAR": TokenType.TEXT,
- 699        "BINARY": TokenType.BINARY,
- 700        "BLOB": TokenType.VARBINARY,
- 701        "BYTEA": TokenType.VARBINARY,
- 702        "VARBINARY": TokenType.VARBINARY,
- 703        "TIME": TokenType.TIME,
- 704        "TIMESTAMP": TokenType.TIMESTAMP,
- 705        "TIMESTAMPTZ": TokenType.TIMESTAMPTZ,
- 706        "TIMESTAMPLTZ": TokenType.TIMESTAMPLTZ,
- 707        "DATE": TokenType.DATE,
- 708        "DATETIME": TokenType.DATETIME,
- 709        "UNIQUE": TokenType.UNIQUE,
- 710        "STRUCT": TokenType.STRUCT,
- 711        "VARIANT": TokenType.VARIANT,
- 712        "ALTER": TokenType.ALTER,
- 713        "ALTER AGGREGATE": TokenType.COMMAND,
- 714        "ALTER DEFAULT": TokenType.COMMAND,
- 715        "ALTER DOMAIN": TokenType.COMMAND,
- 716        "ALTER ROLE": TokenType.COMMAND,
- 717        "ALTER RULE": TokenType.COMMAND,
- 718        "ALTER SEQUENCE": TokenType.COMMAND,
- 719        "ALTER TYPE": TokenType.COMMAND,
- 720        "ALTER USER": TokenType.COMMAND,
- 721        "ALTER VIEW": TokenType.COMMAND,
- 722        "ANALYZE": TokenType.COMMAND,
- 723        "CALL": TokenType.COMMAND,
- 724        "COMMENT": TokenType.COMMENT,
- 725        "COPY": TokenType.COMMAND,
- 726        "EXPLAIN": TokenType.COMMAND,
- 727        "GRANT": TokenType.COMMAND,
- 728        "OPTIMIZE": TokenType.COMMAND,
- 729        "PREPARE": TokenType.COMMAND,
- 730        "TRUNCATE": TokenType.COMMAND,
- 731        "VACUUM": TokenType.COMMAND,
- 732    }
- 733
- 734    WHITE_SPACE: t.Dict[t.Optional[str], TokenType] = {
- 735        " ": TokenType.SPACE,
- 736        "\t": TokenType.SPACE,
- 737        "\n": TokenType.BREAK,
- 738        "\r": TokenType.BREAK,
- 739        "\r\n": TokenType.BREAK,
- 740    }
- 741
- 742    COMMANDS = {
- 743        TokenType.COMMAND,
- 744        TokenType.EXECUTE,
- 745        TokenType.FETCH,
- 746        TokenType.SHOW,
- 747    }
- 748
- 749    COMMAND_PREFIX_TOKENS = {TokenType.SEMICOLON, TokenType.BEGIN}
- 750
- 751    # handle numeric literals like in hive (3L = BIGINT)
- 752    NUMERIC_LITERALS: t.Dict[str, str] = {}
- 753    ENCODE: t.Optional[str] = None
+ 403        return klass
+ 404
+ 405    @staticmethod
+ 406    def _delimeter_list_to_dict(list: t.List[str | t.Tuple[str, str]]) -> t.Dict[str, str]:
+ 407        return dict((item, item) if isinstance(item, str) else (item[0], item[1]) for item in list)
+ 408
+ 409
+ 410class Tokenizer(metaclass=_Tokenizer):
+ 411    SINGLE_TOKENS = {
+ 412        "(": TokenType.L_PAREN,
+ 413        ")": TokenType.R_PAREN,
+ 414        "[": TokenType.L_BRACKET,
+ 415        "]": TokenType.R_BRACKET,
+ 416        "{": TokenType.L_BRACE,
+ 417        "}": TokenType.R_BRACE,
+ 418        "&": TokenType.AMP,
+ 419        "^": TokenType.CARET,
+ 420        ":": TokenType.COLON,
+ 421        ",": TokenType.COMMA,
+ 422        ".": TokenType.DOT,
+ 423        "-": TokenType.DASH,
+ 424        "=": TokenType.EQ,
+ 425        ">": TokenType.GT,
+ 426        "<": TokenType.LT,
+ 427        "%": TokenType.MOD,
+ 428        "!": TokenType.NOT,
+ 429        "|": TokenType.PIPE,
+ 430        "+": TokenType.PLUS,
+ 431        ";": TokenType.SEMICOLON,
+ 432        "/": TokenType.SLASH,
+ 433        "\\": TokenType.BACKSLASH,
+ 434        "*": TokenType.STAR,
+ 435        "~": TokenType.TILDA,
+ 436        "?": TokenType.PLACEHOLDER,
+ 437        "@": TokenType.PARAMETER,
+ 438        # used for breaking a var like x'y' but nothing else
+ 439        # the token type doesn't matter
+ 440        "'": TokenType.QUOTE,
+ 441        "`": TokenType.IDENTIFIER,
+ 442        '"': TokenType.IDENTIFIER,
+ 443        "#": TokenType.HASH,
+ 444    }
+ 445
+ 446    BIT_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 447    BYTE_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 448    HEX_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 449    IDENTIFIERS: t.List[str | t.Tuple[str, str]] = ['"']
+ 450    IDENTIFIER_ESCAPES = ['"']
+ 451    QUOTES: t.List[t.Tuple[str, str] | str] = ["'"]
+ 452    STRING_ESCAPES = ["'"]
+ 453    VAR_SINGLE_TOKENS: t.Set[str] = set()
+ 454
+ 455    _COMMENTS: t.Dict[str, str] = {}
+ 456    _BIT_STRINGS: t.Dict[str, str] = {}
+ 457    _BYTE_STRINGS: t.Dict[str, str] = {}
+ 458    _HEX_STRINGS: t.Dict[str, str] = {}
+ 459    _IDENTIFIERS: t.Dict[str, str] = {}
+ 460    _IDENTIFIER_ESCAPES: t.Set[str] = set()
+ 461    _QUOTES: t.Dict[str, str] = {}
+ 462    _STRING_ESCAPES: t.Set[str] = set()
+ 463
+ 464    KEYWORDS: t.Dict[t.Optional[str], TokenType] = {
+ 465        **{f"{{%{postfix}": TokenType.BLOCK_START for postfix in ("", "+", "-")},
+ 466        **{f"{prefix}%}}": TokenType.BLOCK_END for prefix in ("", "+", "-")},
+ 467        "{{+": TokenType.BLOCK_START,
+ 468        "{{-": TokenType.BLOCK_START,
+ 469        "+}}": TokenType.BLOCK_END,
+ 470        "-}}": TokenType.BLOCK_END,
+ 471        "/*+": TokenType.HINT,
+ 472        "==": TokenType.EQ,
+ 473        "::": TokenType.DCOLON,
+ 474        "||": TokenType.DPIPE,
+ 475        ">=": TokenType.GTE,
+ 476        "<=": TokenType.LTE,
+ 477        "<>": TokenType.NEQ,
+ 478        "!=": TokenType.NEQ,
+ 479        "<=>": TokenType.NULLSAFE_EQ,
+ 480        "->": TokenType.ARROW,
+ 481        "->>": TokenType.DARROW,
+ 482        "=>": TokenType.FARROW,
+ 483        "#>": TokenType.HASH_ARROW,
+ 484        "#>>": TokenType.DHASH_ARROW,
+ 485        "<->": TokenType.LR_ARROW,
+ 486        "&&": TokenType.DAMP,
+ 487        "ALL": TokenType.ALL,
+ 488        "ALWAYS": TokenType.ALWAYS,
+ 489        "AND": TokenType.AND,
+ 490        "ANTI": TokenType.ANTI,
+ 491        "ANY": TokenType.ANY,
+ 492        "ASC": TokenType.ASC,
+ 493        "AS": TokenType.ALIAS,
+ 494        "AT TIME ZONE": TokenType.AT_TIME_ZONE,
+ 495        "AUTOINCREMENT": TokenType.AUTO_INCREMENT,
+ 496        "AUTO_INCREMENT": TokenType.AUTO_INCREMENT,
+ 497        "BEGIN": TokenType.BEGIN,
+ 498        "BETWEEN": TokenType.BETWEEN,
+ 499        "BOTH": TokenType.BOTH,
+ 500        "BUCKET": TokenType.BUCKET,
+ 501        "BY DEFAULT": TokenType.BY_DEFAULT,
+ 502        "CACHE": TokenType.CACHE,
+ 503        "UNCACHE": TokenType.UNCACHE,
+ 504        "CASE": TokenType.CASE,
+ 505        "CASCADE": TokenType.CASCADE,
+ 506        "CHARACTER SET": TokenType.CHARACTER_SET,
+ 507        "CLUSTER BY": TokenType.CLUSTER_BY,
+ 508        "COLLATE": TokenType.COLLATE,
+ 509        "COLUMN": TokenType.COLUMN,
+ 510        "COMMIT": TokenType.COMMIT,
+ 511        "COMPOUND": TokenType.COMPOUND,
+ 512        "CONSTRAINT": TokenType.CONSTRAINT,
+ 513        "CREATE": TokenType.CREATE,
+ 514        "CROSS": TokenType.CROSS,
+ 515        "CUBE": TokenType.CUBE,
+ 516        "CURRENT_DATE": TokenType.CURRENT_DATE,
+ 517        "CURRENT ROW": TokenType.CURRENT_ROW,
+ 518        "CURRENT_TIME": TokenType.CURRENT_TIME,
+ 519        "CURRENT_TIMESTAMP": TokenType.CURRENT_TIMESTAMP,
+ 520        "CURRENT_USER": TokenType.CURRENT_USER,
+ 521        "DATABASE": TokenType.DATABASE,
+ 522        "DEFAULT": TokenType.DEFAULT,
+ 523        "DELETE": TokenType.DELETE,
+ 524        "DESC": TokenType.DESC,
+ 525        "DESCRIBE": TokenType.DESCRIBE,
+ 526        "DISTINCT": TokenType.DISTINCT,
+ 527        "DISTINCT FROM": TokenType.DISTINCT_FROM,
+ 528        "DISTRIBUTE BY": TokenType.DISTRIBUTE_BY,
+ 529        "DIV": TokenType.DIV,
+ 530        "DROP": TokenType.DROP,
+ 531        "ELSE": TokenType.ELSE,
+ 532        "END": TokenType.END,
+ 533        "ESCAPE": TokenType.ESCAPE,
+ 534        "EXCEPT": TokenType.EXCEPT,
+ 535        "EXECUTE": TokenType.EXECUTE,
+ 536        "EXISTS": TokenType.EXISTS,
+ 537        "FALSE": TokenType.FALSE,
+ 538        "FETCH": TokenType.FETCH,
+ 539        "FILTER": TokenType.FILTER,
+ 540        "FIRST": TokenType.FIRST,
+ 541        "FULL": TokenType.FULL,
+ 542        "FUNCTION": TokenType.FUNCTION,
+ 543        "FOLLOWING": TokenType.FOLLOWING,
+ 544        "FOR": TokenType.FOR,
+ 545        "FOREIGN KEY": TokenType.FOREIGN_KEY,
+ 546        "FORMAT": TokenType.FORMAT,
+ 547        "FROM": TokenType.FROM,
+ 548        "GLOB": TokenType.GLOB,
+ 549        "GROUP BY": TokenType.GROUP_BY,
+ 550        "GROUPING SETS": TokenType.GROUPING_SETS,
+ 551        "HAVING": TokenType.HAVING,
+ 552        "IF": TokenType.IF,
+ 553        "ILIKE": TokenType.ILIKE,
+ 554        "IGNORE NULLS": TokenType.IGNORE_NULLS,
+ 555        "IN": TokenType.IN,
+ 556        "INDEX": TokenType.INDEX,
+ 557        "INET": TokenType.INET,
+ 558        "INNER": TokenType.INNER,
+ 559        "INSERT": TokenType.INSERT,
+ 560        "INTERVAL": TokenType.INTERVAL,
+ 561        "INTERSECT": TokenType.INTERSECT,
+ 562        "INTO": TokenType.INTO,
+ 563        "IS": TokenType.IS,
+ 564        "ISNULL": TokenType.ISNULL,
+ 565        "JOIN": TokenType.JOIN,
+ 566        "KEEP": TokenType.KEEP,
+ 567        "LATERAL": TokenType.LATERAL,
+ 568        "LAZY": TokenType.LAZY,
+ 569        "LEADING": TokenType.LEADING,
+ 570        "LEFT": TokenType.LEFT,
+ 571        "LIKE": TokenType.LIKE,
+ 572        "LIMIT": TokenType.LIMIT,
+ 573        "LOAD DATA": TokenType.LOAD_DATA,
+ 574        "LOCAL": TokenType.LOCAL,
+ 575        "MATERIALIZED": TokenType.MATERIALIZED,
+ 576        "MERGE": TokenType.MERGE,
+ 577        "NATURAL": TokenType.NATURAL,
+ 578        "NEXT": TokenType.NEXT,
+ 579        "NEXT VALUE FOR": TokenType.NEXT_VALUE_FOR,
+ 580        "NO ACTION": TokenType.NO_ACTION,
+ 581        "NOT": TokenType.NOT,
+ 582        "NOTNULL": TokenType.NOTNULL,
+ 583        "NULL": TokenType.NULL,
+ 584        "NULLS FIRST": TokenType.NULLS_FIRST,
+ 585        "NULLS LAST": TokenType.NULLS_LAST,
+ 586        "OBJECT": TokenType.OBJECT,
+ 587        "OFFSET": TokenType.OFFSET,
+ 588        "ON": TokenType.ON,
+ 589        "ONLY": TokenType.ONLY,
+ 590        "OPTIONS": TokenType.OPTIONS,
+ 591        "OR": TokenType.OR,
+ 592        "ORDER BY": TokenType.ORDER_BY,
+ 593        "ORDINALITY": TokenType.ORDINALITY,
+ 594        "OUTER": TokenType.OUTER,
+ 595        "OUT OF": TokenType.OUT_OF,
+ 596        "OVER": TokenType.OVER,
+ 597        "OVERLAPS": TokenType.OVERLAPS,
+ 598        "OVERWRITE": TokenType.OVERWRITE,
+ 599        "PARTITION": TokenType.PARTITION,
+ 600        "PARTITION BY": TokenType.PARTITION_BY,
+ 601        "PARTITIONED BY": TokenType.PARTITION_BY,
+ 602        "PARTITIONED_BY": TokenType.PARTITION_BY,
+ 603        "PERCENT": TokenType.PERCENT,
+ 604        "PIVOT": TokenType.PIVOT,
+ 605        "PRAGMA": TokenType.PRAGMA,
+ 606        "PRECEDING": TokenType.PRECEDING,
+ 607        "PRIMARY KEY": TokenType.PRIMARY_KEY,
+ 608        "PROCEDURE": TokenType.PROCEDURE,
+ 609        "QUALIFY": TokenType.QUALIFY,
+ 610        "RANGE": TokenType.RANGE,
+ 611        "RECURSIVE": TokenType.RECURSIVE,
+ 612        "REGEXP": TokenType.RLIKE,
+ 613        "REPLACE": TokenType.REPLACE,
+ 614        "RESPECT NULLS": TokenType.RESPECT_NULLS,
+ 615        "REFERENCES": TokenType.REFERENCES,
+ 616        "RIGHT": TokenType.RIGHT,
+ 617        "RLIKE": TokenType.RLIKE,
+ 618        "ROLLBACK": TokenType.ROLLBACK,
+ 619        "ROLLUP": TokenType.ROLLUP,
+ 620        "ROW": TokenType.ROW,
+ 621        "ROWS": TokenType.ROWS,
+ 622        "SCHEMA": TokenType.SCHEMA,
+ 623        "SEED": TokenType.SEED,
+ 624        "SELECT": TokenType.SELECT,
+ 625        "SEMI": TokenType.SEMI,
+ 626        "SET": TokenType.SET,
+ 627        "SHOW": TokenType.SHOW,
+ 628        "SIMILAR TO": TokenType.SIMILAR_TO,
+ 629        "SOME": TokenType.SOME,
+ 630        "SORTKEY": TokenType.SORTKEY,
+ 631        "SORT BY": TokenType.SORT_BY,
+ 632        "TABLE": TokenType.TABLE,
+ 633        "TABLESAMPLE": TokenType.TABLE_SAMPLE,
+ 634        "TEMP": TokenType.TEMPORARY,
+ 635        "TEMPORARY": TokenType.TEMPORARY,
+ 636        "THEN": TokenType.THEN,
+ 637        "TRUE": TokenType.TRUE,
+ 638        "TRAILING": TokenType.TRAILING,
+ 639        "UNBOUNDED": TokenType.UNBOUNDED,
+ 640        "UNION": TokenType.UNION,
+ 641        "UNLOGGED": TokenType.UNLOGGED,
+ 642        "UNNEST": TokenType.UNNEST,
+ 643        "UNPIVOT": TokenType.UNPIVOT,
+ 644        "UPDATE": TokenType.UPDATE,
+ 645        "USE": TokenType.USE,
+ 646        "USING": TokenType.USING,
+ 647        "UUID": TokenType.UUID,
+ 648        "VALUES": TokenType.VALUES,
+ 649        "VIEW": TokenType.VIEW,
+ 650        "VOLATILE": TokenType.VOLATILE,
+ 651        "WHEN": TokenType.WHEN,
+ 652        "WHERE": TokenType.WHERE,
+ 653        "WINDOW": TokenType.WINDOW,
+ 654        "WITH": TokenType.WITH,
+ 655        "WITH TIME ZONE": TokenType.WITH_TIME_ZONE,
+ 656        "WITH LOCAL TIME ZONE": TokenType.WITH_LOCAL_TIME_ZONE,
+ 657        "WITHIN GROUP": TokenType.WITHIN_GROUP,
+ 658        "WITHOUT TIME ZONE": TokenType.WITHOUT_TIME_ZONE,
+ 659        "APPLY": TokenType.APPLY,
+ 660        "ARRAY": TokenType.ARRAY,
+ 661        "BIT": TokenType.BIT,
+ 662        "BOOL": TokenType.BOOLEAN,
+ 663        "BOOLEAN": TokenType.BOOLEAN,
+ 664        "BYTE": TokenType.TINYINT,
+ 665        "TINYINT": TokenType.TINYINT,
+ 666        "SHORT": TokenType.SMALLINT,
+ 667        "SMALLINT": TokenType.SMALLINT,
+ 668        "INT2": TokenType.SMALLINT,
+ 669        "INTEGER": TokenType.INT,
+ 670        "INT": TokenType.INT,
+ 671        "INT4": TokenType.INT,
+ 672        "LONG": TokenType.BIGINT,
+ 673        "BIGINT": TokenType.BIGINT,
+ 674        "INT8": TokenType.BIGINT,
+ 675        "DEC": TokenType.DECIMAL,
+ 676        "DECIMAL": TokenType.DECIMAL,
+ 677        "BIGDECIMAL": TokenType.BIGDECIMAL,
+ 678        "BIGNUMERIC": TokenType.BIGDECIMAL,
+ 679        "MAP": TokenType.MAP,
+ 680        "NULLABLE": TokenType.NULLABLE,
+ 681        "NUMBER": TokenType.DECIMAL,
+ 682        "NUMERIC": TokenType.DECIMAL,
+ 683        "FIXED": TokenType.DECIMAL,
+ 684        "REAL": TokenType.FLOAT,
+ 685        "FLOAT": TokenType.FLOAT,
+ 686        "FLOAT4": TokenType.FLOAT,
+ 687        "FLOAT8": TokenType.DOUBLE,
+ 688        "DOUBLE": TokenType.DOUBLE,
+ 689        "DOUBLE PRECISION": TokenType.DOUBLE,
+ 690        "JSON": TokenType.JSON,
+ 691        "CHAR": TokenType.CHAR,
+ 692        "CHARACTER": TokenType.CHAR,
+ 693        "NCHAR": TokenType.NCHAR,
+ 694        "VARCHAR": TokenType.VARCHAR,
+ 695        "VARCHAR2": TokenType.VARCHAR,
+ 696        "NVARCHAR": TokenType.NVARCHAR,
+ 697        "NVARCHAR2": TokenType.NVARCHAR,
+ 698        "STR": TokenType.TEXT,
+ 699        "STRING": TokenType.TEXT,
+ 700        "TEXT": TokenType.TEXT,
+ 701        "CLOB": TokenType.TEXT,
+ 702        "LONGVARCHAR": TokenType.TEXT,
+ 703        "BINARY": TokenType.BINARY,
+ 704        "BLOB": TokenType.VARBINARY,
+ 705        "BYTEA": TokenType.VARBINARY,
+ 706        "VARBINARY": TokenType.VARBINARY,
+ 707        "TIME": TokenType.TIME,
+ 708        "TIMESTAMP": TokenType.TIMESTAMP,
+ 709        "TIMESTAMPTZ": TokenType.TIMESTAMPTZ,
+ 710        "TIMESTAMPLTZ": TokenType.TIMESTAMPLTZ,
+ 711        "DATE": TokenType.DATE,
+ 712        "DATETIME": TokenType.DATETIME,
+ 713        "UNIQUE": TokenType.UNIQUE,
+ 714        "STRUCT": TokenType.STRUCT,
+ 715        "VARIANT": TokenType.VARIANT,
+ 716        "ALTER": TokenType.ALTER,
+ 717        "ALTER AGGREGATE": TokenType.COMMAND,
+ 718        "ALTER DEFAULT": TokenType.COMMAND,
+ 719        "ALTER DOMAIN": TokenType.COMMAND,
+ 720        "ALTER ROLE": TokenType.COMMAND,
+ 721        "ALTER RULE": TokenType.COMMAND,
+ 722        "ALTER SEQUENCE": TokenType.COMMAND,
+ 723        "ALTER TYPE": TokenType.COMMAND,
+ 724        "ALTER USER": TokenType.COMMAND,
+ 725        "ALTER VIEW": TokenType.COMMAND,
+ 726        "ANALYZE": TokenType.COMMAND,
+ 727        "CALL": TokenType.COMMAND,
+ 728        "COMMENT": TokenType.COMMENT,
+ 729        "COPY": TokenType.COMMAND,
+ 730        "EXPLAIN": TokenType.COMMAND,
+ 731        "GRANT": TokenType.COMMAND,
+ 732        "OPTIMIZE": TokenType.COMMAND,
+ 733        "PREPARE": TokenType.COMMAND,
+ 734        "TRUNCATE": TokenType.COMMAND,
+ 735        "VACUUM": TokenType.COMMAND,
+ 736    }
+ 737
+ 738    WHITE_SPACE: t.Dict[t.Optional[str], TokenType] = {
+ 739        " ": TokenType.SPACE,
+ 740        "\t": TokenType.SPACE,
+ 741        "\n": TokenType.BREAK,
+ 742        "\r": TokenType.BREAK,
+ 743        "\r\n": TokenType.BREAK,
+ 744    }
+ 745
+ 746    COMMANDS = {
+ 747        TokenType.COMMAND,
+ 748        TokenType.EXECUTE,
+ 749        TokenType.FETCH,
+ 750        TokenType.SHOW,
+ 751    }
+ 752
+ 753    COMMAND_PREFIX_TOKENS = {TokenType.SEMICOLON, TokenType.BEGIN}
  754
- 755    COMMENTS = ["--", ("/*", "*/"), ("{#", "#}")]
- 756    KEYWORD_TRIE: t.Dict = {}  # autofilled
- 757
- 758    IDENTIFIER_CAN_START_WITH_DIGIT = False
- 759
- 760    __slots__ = (
- 761        "sql",
- 762        "size",
- 763        "tokens",
- 764        "_start",
- 765        "_current",
- 766        "_line",
- 767        "_col",
- 768        "_comments",
- 769        "_char",
- 770        "_end",
- 771        "_peek",
- 772        "_prev_token_line",
- 773        "_prev_token_comments",
- 774        "_prev_token_type",
- 775    )
- 776
- 777    def __init__(self) -> None:
- 778        self.reset()
- 779
- 780    def reset(self) -> None:
- 781        self.sql = ""
- 782        self.size = 0
- 783        self.tokens: t.List[Token] = []
- 784        self._start = 0
- 785        self._current = 0
- 786        self._line = 1
- 787        self._col = 1
- 788        self._comments: t.List[str] = []
- 789
- 790        self._char = ""
- 791        self._end = False
- 792        self._peek = ""
- 793        self._prev_token_line = -1
- 794        self._prev_token_comments: t.List[str] = []
- 795        self._prev_token_type: t.Optional[TokenType] = None
- 796
- 797    def tokenize(self, sql: str) -> t.List[Token]:
- 798        """Returns a list of tokens corresponding to the SQL string `sql`."""
- 799        self.reset()
- 800        self.sql = sql
- 801        self.size = len(sql)
- 802        try:
- 803            self._scan()
- 804        except Exception as e:
- 805            start = self._current - 50
- 806            end = self._current + 50
- 807            start = start if start > 0 else 0
- 808            end = end if end < self.size else self.size - 1
- 809            context = self.sql[start:end]
- 810            raise ValueError(f"Error tokenizing '{context}'") from e
- 811
- 812        return self.tokens
- 813
- 814    def _scan(self, until: t.Optional[t.Callable] = None) -> None:
- 815        while self.size and not self._end:
- 816            self._start = self._current
- 817            self._advance()
- 818
- 819            if self._char is None:
- 820                break
- 821
- 822            if self._char not in self.WHITE_SPACE:
- 823                if self._char.isdigit():
- 824                    self._scan_number()
- 825                elif self._char in self._IDENTIFIERS:
- 826                    self._scan_identifier(self._IDENTIFIERS[self._char])
- 827                else:
- 828                    self._scan_keywords()
- 829
- 830            if until and until():
- 831                break
- 832
- 833        if self.tokens:
- 834            self.tokens[-1].comments.extend(self._comments)
- 835
- 836    def _chars(self, size: int) -> str:
- 837        if size == 1:
- 838            return self._char
- 839        start = self._current - 1
- 840        end = start + size
- 841        if end <= self.size:
- 842            return self.sql[start:end]
- 843        return ""
- 844
- 845    def _advance(self, i: int = 1) -> None:
- 846        if self.WHITE_SPACE.get(self._char) is TokenType.BREAK:
- 847            self._col = 1
- 848            self._line += 1
- 849        else:
- 850            self._col += i
- 851
- 852        self._current += i
- 853        self._end = self._current >= self.size
- 854        self._char = self.sql[self._current - 1]
- 855        self._peek = "" if self._end else self.sql[self._current]
- 856
- 857    @property
- 858    def _text(self) -> str:
- 859        return self.sql[self._start : self._current]
+ 755    # handle numeric literals like in hive (3L = BIGINT)
+ 756    NUMERIC_LITERALS: t.Dict[str, str] = {}
+ 757    ENCODE: t.Optional[str] = None
+ 758
+ 759    COMMENTS = ["--", ("/*", "*/"), ("{#", "#}")]
+ 760    KEYWORD_TRIE: t.Dict = {}  # autofilled
+ 761
+ 762    IDENTIFIER_CAN_START_WITH_DIGIT = False
+ 763
+ 764    __slots__ = (
+ 765        "sql",
+ 766        "size",
+ 767        "tokens",
+ 768        "_start",
+ 769        "_current",
+ 770        "_line",
+ 771        "_col",
+ 772        "_comments",
+ 773        "_char",
+ 774        "_end",
+ 775        "_peek",
+ 776        "_prev_token_line",
+ 777        "_prev_token_comments",
+ 778        "_prev_token_type",
+ 779    )
+ 780
+ 781    def __init__(self) -> None:
+ 782        self.reset()
+ 783
+ 784    def reset(self) -> None:
+ 785        self.sql = ""
+ 786        self.size = 0
+ 787        self.tokens: t.List[Token] = []
+ 788        self._start = 0
+ 789        self._current = 0
+ 790        self._line = 1
+ 791        self._col = 1
+ 792        self._comments: t.List[str] = []
+ 793
+ 794        self._char = ""
+ 795        self._end = False
+ 796        self._peek = ""
+ 797        self._prev_token_line = -1
+ 798        self._prev_token_comments: t.List[str] = []
+ 799        self._prev_token_type: t.Optional[TokenType] = None
+ 800
+ 801    def tokenize(self, sql: str) -> t.List[Token]:
+ 802        """Returns a list of tokens corresponding to the SQL string `sql`."""
+ 803        self.reset()
+ 804        self.sql = sql
+ 805        self.size = len(sql)
+ 806        try:
+ 807            self._scan()
+ 808        except Exception as e:
+ 809            start = self._current - 50
+ 810            end = self._current + 50
+ 811            start = start if start > 0 else 0
+ 812            end = end if end < self.size else self.size - 1
+ 813            context = self.sql[start:end]
+ 814            raise ValueError(f"Error tokenizing '{context}'") from e
+ 815
+ 816        return self.tokens
+ 817
+ 818    def _scan(self, until: t.Optional[t.Callable] = None) -> None:
+ 819        while self.size and not self._end:
+ 820            self._start = self._current
+ 821            self._advance()
+ 822
+ 823            if self._char is None:
+ 824                break
+ 825
+ 826            if self._char not in self.WHITE_SPACE:
+ 827                if self._char.isdigit():
+ 828                    self._scan_number()
+ 829                elif self._char in self._IDENTIFIERS:
+ 830                    self._scan_identifier(self._IDENTIFIERS[self._char])
+ 831                else:
+ 832                    self._scan_keywords()
+ 833
+ 834            if until and until():
+ 835                break
+ 836
+ 837        if self.tokens:
+ 838            self.tokens[-1].comments.extend(self._comments)
+ 839
+ 840    def _chars(self, size: int) -> str:
+ 841        if size == 1:
+ 842            return self._char
+ 843        start = self._current - 1
+ 844        end = start + size
+ 845        if end <= self.size:
+ 846            return self.sql[start:end]
+ 847        return ""
+ 848
+ 849    def _advance(self, i: int = 1) -> None:
+ 850        if self.WHITE_SPACE.get(self._char) is TokenType.BREAK:
+ 851            self._col = 1
+ 852            self._line += 1
+ 853        else:
+ 854            self._col += i
+ 855
+ 856        self._current += i
+ 857        self._end = self._current >= self.size
+ 858        self._char = self.sql[self._current - 1]
+ 859        self._peek = "" if self._end else self.sql[self._current]
  860
- 861    def _add(self, token_type: TokenType, text: t.Optional[str] = None) -> None:
- 862        self._prev_token_line = self._line
- 863        self._prev_token_comments = self._comments
- 864        self._prev_token_type = token_type
- 865        self.tokens.append(
- 866            Token(
- 867                token_type,
- 868                self._text if text is None else text,
- 869                self._line,
- 870                self._col,
- 871                self._current,
- 872                self._comments,
- 873            )
- 874        )
- 875        self._comments = []
- 876
- 877        # If we have either a semicolon or a begin token before the command's token, we'll parse
- 878        # whatever follows the command's token as a string
- 879        if (
- 880            token_type in self.COMMANDS
- 881            and self._peek != ";"
- 882            and (len(self.tokens) == 1 or self.tokens[-2].token_type in self.COMMAND_PREFIX_TOKENS)
- 883        ):
- 884            start = self._current
- 885            tokens = len(self.tokens)
- 886            self._scan(lambda: self._peek == ";")
- 887            self.tokens = self.tokens[:tokens]
- 888            text = self.sql[start : self._current].strip()
- 889            if text:
- 890                self._add(TokenType.STRING, text)
- 891
- 892    def _scan_keywords(self) -> None:
- 893        size = 0
- 894        word = None
- 895        chars = self._text
- 896        char = chars
- 897        prev_space = False
- 898        skip = False
- 899        trie = self.KEYWORD_TRIE
- 900        single_token = char in self.SINGLE_TOKENS
- 901
- 902        while chars:
- 903            if skip:
- 904                result = 1
- 905            else:
- 906                result, trie = in_trie(trie, char.upper())
- 907
- 908            if result == 0:
- 909                break
- 910            if result == 2:
- 911                word = chars
- 912            size += 1
- 913            end = self._current - 1 + size
- 914
- 915            if end < self.size:
- 916                char = self.sql[end]
- 917                single_token = single_token or char in self.SINGLE_TOKENS
- 918                is_space = char in self.WHITE_SPACE
- 919
- 920                if not is_space or not prev_space:
- 921                    if is_space:
- 922                        char = " "
- 923                    chars += char
- 924                    prev_space = is_space
- 925                    skip = False
- 926                else:
- 927                    skip = True
- 928            else:
- 929                chars = " "
- 930
- 931        word = None if not single_token and chars[-1] not in self.WHITE_SPACE else word
- 932
- 933        if not word:
- 934            if self._char in self.SINGLE_TOKENS:
- 935                self._add(self.SINGLE_TOKENS[self._char], text=self._char)
- 936                return
- 937            self._scan_var()
- 938            return
- 939
- 940        if self._scan_string(word):
- 941            return
- 942        if self._scan_formatted_string(word):
- 943            return
- 944        if self._scan_comment(word):
+ 861    @property
+ 862    def _text(self) -> str:
+ 863        return self.sql[self._start : self._current]
+ 864
+ 865    def _add(self, token_type: TokenType, text: t.Optional[str] = None) -> None:
+ 866        self._prev_token_line = self._line
+ 867        self._prev_token_comments = self._comments
+ 868        self._prev_token_type = token_type
+ 869        self.tokens.append(
+ 870            Token(
+ 871                token_type,
+ 872                self._text if text is None else text,
+ 873                self._line,
+ 874                self._col,
+ 875                self._current,
+ 876                self._comments,
+ 877            )
+ 878        )
+ 879        self._comments = []
+ 880
+ 881        # If we have either a semicolon or a begin token before the command's token, we'll parse
+ 882        # whatever follows the command's token as a string
+ 883        if (
+ 884            token_type in self.COMMANDS
+ 885            and self._peek != ";"
+ 886            and (len(self.tokens) == 1 or self.tokens[-2].token_type in self.COMMAND_PREFIX_TOKENS)
+ 887        ):
+ 888            start = self._current
+ 889            tokens = len(self.tokens)
+ 890            self._scan(lambda: self._peek == ";")
+ 891            self.tokens = self.tokens[:tokens]
+ 892            text = self.sql[start : self._current].strip()
+ 893            if text:
+ 894                self._add(TokenType.STRING, text)
+ 895
+ 896    def _scan_keywords(self) -> None:
+ 897        size = 0
+ 898        word = None
+ 899        chars = self._text
+ 900        char = chars
+ 901        prev_space = False
+ 902        skip = False
+ 903        trie = self.KEYWORD_TRIE
+ 904        single_token = char in self.SINGLE_TOKENS
+ 905
+ 906        while chars:
+ 907            if skip:
+ 908                result = 1
+ 909            else:
+ 910                result, trie = in_trie(trie, char.upper())
+ 911
+ 912            if result == 0:
+ 913                break
+ 914            if result == 2:
+ 915                word = chars
+ 916            size += 1
+ 917            end = self._current - 1 + size
+ 918
+ 919            if end < self.size:
+ 920                char = self.sql[end]
+ 921                single_token = single_token or char in self.SINGLE_TOKENS
+ 922                is_space = char in self.WHITE_SPACE
+ 923
+ 924                if not is_space or not prev_space:
+ 925                    if is_space:
+ 926                        char = " "
+ 927                    chars += char
+ 928                    prev_space = is_space
+ 929                    skip = False
+ 930                else:
+ 931                    skip = True
+ 932            else:
+ 933                chars = " "
+ 934
+ 935        word = None if not single_token and chars[-1] not in self.WHITE_SPACE else word
+ 936
+ 937        if not word:
+ 938            if self._char in self.SINGLE_TOKENS:
+ 939                self._add(self.SINGLE_TOKENS[self._char], text=self._char)
+ 940                return
+ 941            self._scan_var()
+ 942            return
+ 943
+ 944        if self._scan_string(word):
  945            return
- 946
- 947        self._advance(size - 1)
- 948        word = word.upper()
- 949        self._add(self.KEYWORDS[word], text=word)
+ 946        if self._scan_formatted_string(word):
+ 947            return
+ 948        if self._scan_comment(word):
+ 949            return
  950
- 951    def _scan_comment(self, comment_start: str) -> bool:
- 952        if comment_start not in self._COMMENTS:
- 953            return False
+ 951        self._advance(size - 1)
+ 952        word = word.upper()
+ 953        self._add(self.KEYWORDS[word], text=word)
  954
- 955        comment_start_line = self._line
- 956        comment_start_size = len(comment_start)
- 957        comment_end = self._COMMENTS[comment_start]
+ 955    def _scan_comment(self, comment_start: str) -> bool:
+ 956        if comment_start not in self._COMMENTS:
+ 957            return False
  958
- 959        if comment_end:
- 960            # Skip the comment's start delimiter
- 961            self._advance(comment_start_size)
+ 959        comment_start_line = self._line
+ 960        comment_start_size = len(comment_start)
+ 961        comment_end = self._COMMENTS[comment_start]
  962
- 963            comment_end_size = len(comment_end)
- 964            while not self._end and self._chars(comment_end_size) != comment_end:
- 965                self._advance()
+ 963        if comment_end:
+ 964            # Skip the comment's start delimiter
+ 965            self._advance(comment_start_size)
  966
- 967            self._comments.append(self._text[comment_start_size : -comment_end_size + 1])
- 968            self._advance(comment_end_size - 1)
- 969        else:
- 970            while not self._end and not self.WHITE_SPACE.get(self._peek) is TokenType.BREAK:
- 971                self._advance()
- 972            self._comments.append(self._text[comment_start_size:])
- 973
- 974        # Leading comment is attached to the succeeding token, whilst trailing comment to the preceding.
- 975        # Multiple consecutive comments are preserved by appending them to the current comments list.
- 976        if comment_start_line == self._prev_token_line:
- 977            self.tokens[-1].comments.extend(self._comments)
- 978            self._comments = []
- 979            self._prev_token_line = self._line
- 980
- 981        return True
- 982
- 983    def _scan_number(self) -> None:
- 984        if self._char == "0":
- 985            peek = self._peek.upper()
- 986            if peek == "B":
- 987                return self._scan_bits()
- 988            elif peek == "X":
- 989                return self._scan_hex()
- 990
- 991        decimal = False
- 992        scientific = 0
- 993
- 994        while True:
- 995            if self._peek.isdigit():
- 996                self._advance()
- 997            elif self._peek == "." and not decimal:
- 998                decimal = True
- 999                self._advance()
-1000            elif self._peek in ("-", "+") and scientific == 1:
-1001                scientific += 1
-1002                self._advance()
-1003            elif self._peek.upper() == "E" and not scientific:
-1004                scientific += 1
-1005                self._advance()
-1006            elif self._peek.isidentifier():
-1007                number_text = self._text
-1008                literal = ""
-1009
-1010                while self._peek.strip() and self._peek not in self.SINGLE_TOKENS:
-1011                    literal += self._peek.upper()
-1012                    self._advance()
+ 967            comment_end_size = len(comment_end)
+ 968            while not self._end and self._chars(comment_end_size) != comment_end:
+ 969                self._advance()
+ 970
+ 971            self._comments.append(self._text[comment_start_size : -comment_end_size + 1])
+ 972            self._advance(comment_end_size - 1)
+ 973        else:
+ 974            while not self._end and not self.WHITE_SPACE.get(self._peek) is TokenType.BREAK:
+ 975                self._advance()
+ 976            self._comments.append(self._text[comment_start_size:])
+ 977
+ 978        # Leading comment is attached to the succeeding token, whilst trailing comment to the preceding.
+ 979        # Multiple consecutive comments are preserved by appending them to the current comments list.
+ 980        if comment_start_line == self._prev_token_line:
+ 981            self.tokens[-1].comments.extend(self._comments)
+ 982            self._comments = []
+ 983            self._prev_token_line = self._line
+ 984
+ 985        return True
+ 986
+ 987    def _scan_number(self) -> None:
+ 988        if self._char == "0":
+ 989            peek = self._peek.upper()
+ 990            if peek == "B":
+ 991                return self._scan_bits()
+ 992            elif peek == "X":
+ 993                return self._scan_hex()
+ 994
+ 995        decimal = False
+ 996        scientific = 0
+ 997
+ 998        while True:
+ 999            if self._peek.isdigit():
+1000                self._advance()
+1001            elif self._peek == "." and not decimal:
+1002                decimal = True
+1003                self._advance()
+1004            elif self._peek in ("-", "+") and scientific == 1:
+1005                scientific += 1
+1006                self._advance()
+1007            elif self._peek.upper() == "E" and not scientific:
+1008                scientific += 1
+1009                self._advance()
+1010            elif self._peek.isidentifier():
+1011                number_text = self._text
+1012                literal = ""
 1013
-1014                token_type = self.KEYWORDS.get(self.NUMERIC_LITERALS.get(literal))
-1015
-1016                if token_type:
-1017                    self._add(TokenType.NUMBER, number_text)
-1018                    self._add(TokenType.DCOLON, "::")
-1019                    return self._add(token_type, literal)
-1020                elif self.IDENTIFIER_CAN_START_WITH_DIGIT:
-1021                    return self._add(TokenType.VAR)
-1022
-1023                self._add(TokenType.NUMBER, number_text)
-1024                return self._advance(-len(literal))
-1025            else:
-1026                return self._add(TokenType.NUMBER)
-1027
-1028    def _scan_bits(self) -> None:
-1029        self._advance()
-1030        value = self._extract_value()
-1031        try:
-1032            self._add(TokenType.BIT_STRING, f"{int(value, 2)}")
-1033        except ValueError:
-1034            self._add(TokenType.IDENTIFIER)
-1035
-1036    def _scan_hex(self) -> None:
-1037        self._advance()
-1038        value = self._extract_value()
-1039        try:
-1040            self._add(TokenType.HEX_STRING, f"{int(value, 16)}")
-1041        except ValueError:
-1042            self._add(TokenType.IDENTIFIER)
-1043
-1044    def _extract_value(self) -> str:
-1045        while True:
-1046            char = self._peek.strip()
-1047            if char and char not in self.SINGLE_TOKENS:
-1048                self._advance()
-1049            else:
-1050                break
-1051
-1052        return self._text
-1053
-1054    def _scan_string(self, quote: str) -> bool:
-1055        quote_end = self._QUOTES.get(quote)
-1056        if quote_end is None:
-1057            return False
-1058
-1059        self._advance(len(quote))
-1060        text = self._extract_string(quote_end)
-1061        text = text.encode(self.ENCODE).decode(self.ENCODE) if self.ENCODE else text
-1062        self._add(TokenType.NATIONAL if quote[0].upper() == "N" else TokenType.STRING, text)
-1063        return True
-1064
-1065    # X'1234, b'0110', E'\\\\\' etc.
-1066    def _scan_formatted_string(self, string_start: str) -> bool:
-1067        if string_start in self._HEX_STRINGS:
-1068            delimiters = self._HEX_STRINGS
-1069            token_type = TokenType.HEX_STRING
-1070            base = 16
-1071        elif string_start in self._BIT_STRINGS:
-1072            delimiters = self._BIT_STRINGS
-1073            token_type = TokenType.BIT_STRING
-1074            base = 2
-1075        elif string_start in self._BYTE_STRINGS:
-1076            delimiters = self._BYTE_STRINGS
-1077            token_type = TokenType.BYTE_STRING
-1078            base = None
-1079        else:
-1080            return False
-1081
-1082        self._advance(len(string_start))
-1083        string_end = delimiters[string_start]
-1084        text = self._extract_string(string_end)
+1014                while self._peek.strip() and self._peek not in self.SINGLE_TOKENS:
+1015                    literal += self._peek.upper()
+1016                    self._advance()
+1017
+1018                token_type = self.KEYWORDS.get(self.NUMERIC_LITERALS.get(literal))
+1019
+1020                if token_type:
+1021                    self._add(TokenType.NUMBER, number_text)
+1022                    self._add(TokenType.DCOLON, "::")
+1023                    return self._add(token_type, literal)
+1024                elif self.IDENTIFIER_CAN_START_WITH_DIGIT:
+1025                    return self._add(TokenType.VAR)
+1026
+1027                self._add(TokenType.NUMBER, number_text)
+1028                return self._advance(-len(literal))
+1029            else:
+1030                return self._add(TokenType.NUMBER)
+1031
+1032    def _scan_bits(self) -> None:
+1033        self._advance()
+1034        value = self._extract_value()
+1035        try:
+1036            self._add(TokenType.BIT_STRING, f"{int(value, 2)}")
+1037        except ValueError:
+1038            self._add(TokenType.IDENTIFIER)
+1039
+1040    def _scan_hex(self) -> None:
+1041        self._advance()
+1042        value = self._extract_value()
+1043        try:
+1044            self._add(TokenType.HEX_STRING, f"{int(value, 16)}")
+1045        except ValueError:
+1046            self._add(TokenType.IDENTIFIER)
+1047
+1048    def _extract_value(self) -> str:
+1049        while True:
+1050            char = self._peek.strip()
+1051            if char and char not in self.SINGLE_TOKENS:
+1052                self._advance()
+1053            else:
+1054                break
+1055
+1056        return self._text
+1057
+1058    def _scan_string(self, quote: str) -> bool:
+1059        quote_end = self._QUOTES.get(quote)
+1060        if quote_end is None:
+1061            return False
+1062
+1063        self._advance(len(quote))
+1064        text = self._extract_string(quote_end)
+1065        text = text.encode(self.ENCODE).decode(self.ENCODE) if self.ENCODE else text
+1066        self._add(TokenType.NATIONAL if quote[0].upper() == "N" else TokenType.STRING, text)
+1067        return True
+1068
+1069    # X'1234, b'0110', E'\\\\\' etc.
+1070    def _scan_formatted_string(self, string_start: str) -> bool:
+1071        if string_start in self._HEX_STRINGS:
+1072            delimiters = self._HEX_STRINGS
+1073            token_type = TokenType.HEX_STRING
+1074            base = 16
+1075        elif string_start in self._BIT_STRINGS:
+1076            delimiters = self._BIT_STRINGS
+1077            token_type = TokenType.BIT_STRING
+1078            base = 2
+1079        elif string_start in self._BYTE_STRINGS:
+1080            delimiters = self._BYTE_STRINGS
+1081            token_type = TokenType.BYTE_STRING
+1082            base = None
+1083        else:
+1084            return False
 1085
-1086        if base is None:
-1087            self._add(token_type, text)
-1088        else:
-1089            try:
-1090                self._add(token_type, f"{int(text, base)}")
-1091            except:
-1092                raise RuntimeError(
-1093                    f"Numeric string contains invalid characters from {self._line}:{self._start}"
-1094                )
-1095
-1096        return True
-1097
-1098    def _scan_identifier(self, identifier_end: str) -> None:
-1099        text = ""
-1100        identifier_end_is_escape = identifier_end in self._IDENTIFIER_ESCAPES
+1086        self._advance(len(string_start))
+1087        string_end = delimiters[string_start]
+1088        text = self._extract_string(string_end)
+1089
+1090        if base is None:
+1091            self._add(token_type, text)
+1092        else:
+1093            try:
+1094                self._add(token_type, f"{int(text, base)}")
+1095            except:
+1096                raise RuntimeError(
+1097                    f"Numeric string contains invalid characters from {self._line}:{self._start}"
+1098                )
+1099
+1100        return True
 1101
-1102        while True:
-1103            if self._end:
-1104                raise RuntimeError(f"Missing {identifier_end} from {self._line}:{self._start}")
+1102    def _scan_identifier(self, identifier_end: str) -> None:
+1103        text = ""
+1104        identifier_end_is_escape = identifier_end in self._IDENTIFIER_ESCAPES
 1105
-1106            self._advance()
-1107            if self._char == identifier_end:
-1108                if identifier_end_is_escape and self._peek == identifier_end:
-1109                    text += identifier_end
-1110                    self._advance()
-1111                    continue
-1112
-1113                break
-1114
-1115            text += self._char
+1106        while True:
+1107            if self._end:
+1108                raise RuntimeError(f"Missing {identifier_end} from {self._line}:{self._start}")
+1109
+1110            self._advance()
+1111            if self._char == identifier_end:
+1112                if identifier_end_is_escape and self._peek == identifier_end:
+1113                    text += identifier_end
+1114                    self._advance()
+1115                    continue
 1116
-1117        self._add(TokenType.IDENTIFIER, text)
+1117                break
 1118
-1119    def _scan_var(self) -> None:
-1120        while True:
-1121            char = self._peek.strip()
-1122            if char and (char in self.VAR_SINGLE_TOKENS or char not in self.SINGLE_TOKENS):
-1123                self._advance()
-1124            else:
-1125                break
-1126        self._add(
-1127            TokenType.VAR
-1128            if self._prev_token_type == TokenType.PARAMETER
-1129            else self.KEYWORDS.get(self._text.upper(), TokenType.VAR)
-1130        )
-1131
-1132    def _extract_string(self, delimiter: str) -> str:
-1133        text = ""
-1134        delim_size = len(delimiter)
+1119            text += self._char
+1120
+1121        self._add(TokenType.IDENTIFIER, text)
+1122
+1123    def _scan_var(self) -> None:
+1124        while True:
+1125            char = self._peek.strip()
+1126            if char and (char in self.VAR_SINGLE_TOKENS or char not in self.SINGLE_TOKENS):
+1127                self._advance()
+1128            else:
+1129                break
+1130        self._add(
+1131            TokenType.VAR
+1132            if self._prev_token_type == TokenType.PARAMETER
+1133            else self.KEYWORDS.get(self._text.upper(), TokenType.VAR)
+1134        )
 1135
-1136        while True:
-1137            if self._char in self._STRING_ESCAPES and (
-1138                self._peek == delimiter or self._peek in self._STRING_ESCAPES
-1139            ):
-1140                if self._peek == delimiter:
-1141                    text += self._peek
-1142                else:
-1143                    text += self._char + self._peek
-1144
-1145                if self._current + 1 < self.size:
-1146                    self._advance(2)
-1147                else:
-1148                    raise RuntimeError(f"Missing {delimiter} from {self._line}:{self._current}")
-1149            else:
-1150                if self._chars(delim_size) == delimiter:
-1151                    if delim_size > 1:
-1152                        self._advance(delim_size - 1)
-1153                    break
-1154
-1155                if self._end:
-1156                    raise RuntimeError(f"Missing {delimiter} from {self._line}:{self._start}")
-1157                text += self._char
-1158                self._advance()
-1159
-1160        return text
+1136    def _extract_string(self, delimiter: str) -> str:
+1137        text = ""
+1138        delim_size = len(delimiter)
+1139
+1140        while True:
+1141            if self._char in self._STRING_ESCAPES and (
+1142                self._peek == delimiter or self._peek in self._STRING_ESCAPES
+1143            ):
+1144                if self._peek == delimiter:
+1145                    text += self._peek
+1146                else:
+1147                    text += self._char + self._peek
+1148
+1149                if self._current + 1 < self.size:
+1150                    self._advance(2)
+1151                else:
+1152                    raise RuntimeError(f"Missing {delimiter} from {self._line}:{self._current}")
+1153            else:
+1154                if self._chars(delim_size) == delimiter:
+1155                    if delim_size > 1:
+1156                        self._advance(delim_size - 1)
+1157                    break
+1158
+1159                if self._end:
+1160                    raise RuntimeError(f"Missing {delimiter} from {self._line}:{self._start}")
+1161                text += self._char
+1162                self._advance()
+1163
+1164        return text
    @@ -2372,104 +2382,106 @@ 216 ISNULL = auto() 217 JOIN = auto() 218 JOIN_MARKER = auto() -219 LANGUAGE = auto() -220 LATERAL = auto() -221 LAZY = auto() -222 LEADING = auto() -223 LEFT = auto() -224 LIKE = auto() -225 LIKE_ANY = auto() -226 LIMIT = auto() -227 LOAD_DATA = auto() -228 LOCAL = auto() -229 MAP = auto() -230 MATCH_RECOGNIZE = auto() -231 MATERIALIZED = auto() -232 MERGE = auto() -233 MOD = auto() -234 NATURAL = auto() -235 NEXT = auto() -236 NO_ACTION = auto() -237 NOTNULL = auto() -238 NULL = auto() -239 NULLS_FIRST = auto() -240 NULLS_LAST = auto() -241 OFFSET = auto() -242 ON = auto() -243 ONLY = auto() -244 OPTIONS = auto() -245 ORDER_BY = auto() -246 ORDERED = auto() -247 ORDINALITY = auto() -248 OUTER = auto() -249 OUT_OF = auto() -250 OVER = auto() -251 OVERLAPS = auto() -252 OVERWRITE = auto() -253 PARTITION = auto() -254 PARTITION_BY = auto() -255 PERCENT = auto() -256 PIVOT = auto() -257 PLACEHOLDER = auto() -258 PRAGMA = auto() -259 PRECEDING = auto() -260 PRIMARY_KEY = auto() -261 PROCEDURE = auto() -262 PROPERTIES = auto() -263 PSEUDO_TYPE = auto() -264 QUALIFY = auto() -265 QUOTE = auto() -266 RANGE = auto() -267 RECURSIVE = auto() -268 REPLACE = auto() -269 RESPECT_NULLS = auto() -270 RETURNING = auto() -271 REFERENCES = auto() -272 RIGHT = auto() -273 RLIKE = auto() -274 ROLLBACK = auto() -275 ROLLUP = auto() -276 ROW = auto() -277 ROWS = auto() -278 SEED = auto() -279 SELECT = auto() -280 SEMI = auto() -281 SEPARATOR = auto() -282 SERDE_PROPERTIES = auto() -283 SET = auto() -284 SHOW = auto() -285 SIMILAR_TO = auto() -286 SOME = auto() -287 SORTKEY = auto() -288 SORT_BY = auto() -289 STRUCT = auto() -290 TABLE_SAMPLE = auto() -291 TEMPORARY = auto() -292 TOP = auto() -293 THEN = auto() -294 TRAILING = auto() -295 TRUE = auto() -296 UNBOUNDED = auto() -297 UNCACHE = auto() -298 UNION = auto() -299 UNLOGGED = auto() -300 UNNEST = auto() -301 UNPIVOT = auto() -302 UPDATE = auto() -303 USE = auto() -304 USING = auto() -305 VALUES = auto() -306 VIEW = auto() -307 VOLATILE = auto() -308 WHEN = auto() -309 WHERE = auto() -310 WINDOW = auto() -311 WITH = auto() -312 WITH_TIME_ZONE = auto() -313 WITH_LOCAL_TIME_ZONE = auto() -314 WITHIN_GROUP = auto() -315 WITHOUT_TIME_ZONE = auto() -316 UNIQUE = auto() +219 KEEP = auto() +220 LANGUAGE = auto() +221 LATERAL = auto() +222 LAZY = auto() +223 LEADING = auto() +224 LEFT = auto() +225 LIKE = auto() +226 LIKE_ANY = auto() +227 LIMIT = auto() +228 LOAD_DATA = auto() +229 LOCAL = auto() +230 MAP = auto() +231 MATCH_RECOGNIZE = auto() +232 MATERIALIZED = auto() +233 MERGE = auto() +234 MOD = auto() +235 NATURAL = auto() +236 NEXT = auto() +237 NEXT_VALUE_FOR = auto() +238 NO_ACTION = auto() +239 NOTNULL = auto() +240 NULL = auto() +241 NULLS_FIRST = auto() +242 NULLS_LAST = auto() +243 OFFSET = auto() +244 ON = auto() +245 ONLY = auto() +246 OPTIONS = auto() +247 ORDER_BY = auto() +248 ORDERED = auto() +249 ORDINALITY = auto() +250 OUTER = auto() +251 OUT_OF = auto() +252 OVER = auto() +253 OVERLAPS = auto() +254 OVERWRITE = auto() +255 PARTITION = auto() +256 PARTITION_BY = auto() +257 PERCENT = auto() +258 PIVOT = auto() +259 PLACEHOLDER = auto() +260 PRAGMA = auto() +261 PRECEDING = auto() +262 PRIMARY_KEY = auto() +263 PROCEDURE = auto() +264 PROPERTIES = auto() +265 PSEUDO_TYPE = auto() +266 QUALIFY = auto() +267 QUOTE = auto() +268 RANGE = auto() +269 RECURSIVE = auto() +270 REPLACE = auto() +271 RESPECT_NULLS = auto() +272 RETURNING = auto() +273 REFERENCES = auto() +274 RIGHT = auto() +275 RLIKE = auto() +276 ROLLBACK = auto() +277 ROLLUP = auto() +278 ROW = auto() +279 ROWS = auto() +280 SEED = auto() +281 SELECT = auto() +282 SEMI = auto() +283 SEPARATOR = auto() +284 SERDE_PROPERTIES = auto() +285 SET = auto() +286 SHOW = auto() +287 SIMILAR_TO = auto() +288 SOME = auto() +289 SORTKEY = auto() +290 SORT_BY = auto() +291 STRUCT = auto() +292 TABLE_SAMPLE = auto() +293 TEMPORARY = auto() +294 TOP = auto() +295 THEN = auto() +296 TRAILING = auto() +297 TRUE = auto() +298 UNBOUNDED = auto() +299 UNCACHE = auto() +300 UNION = auto() +301 UNLOGGED = auto() +302 UNNEST = auto() +303 UNPIVOT = auto() +304 UPDATE = auto() +305 USE = auto() +306 USING = auto() +307 VALUES = auto() +308 VIEW = auto() +309 VOLATILE = auto() +310 WHEN = auto() +311 WHERE = auto() +312 WINDOW = auto() +313 WITH = auto() +314 WITH_TIME_ZONE = auto() +315 WITH_LOCAL_TIME_ZONE = auto() +316 WITHIN_GROUP = auto() +317 WITHOUT_TIME_ZONE = auto() +318 UNIQUE = auto() @@ -4876,6 +4888,18 @@ + +
    +
    + KEEP = +<TokenType.KEEP: 'KEEP'> + + +
    + + + +
    @@ -5080,6 +5104,18 @@ +
    +
    +
    + NEXT_VALUE_FOR = +<TokenType.NEXT_VALUE_FOR: 'NEXT_VALUE_FOR'> + + +
    + + + +
    @@ -6075,54 +6111,54 @@
    - 
    319class Token:
-320    __slots__ = ("token_type", "text", "line", "col", "end", "comments")
-321
-322    @classmethod
-323    def number(cls, number: int) -> Token:
-324        """Returns a NUMBER token with `number` as its text."""
-325        return cls(TokenType.NUMBER, str(number))
-326
-327    @classmethod
-328    def string(cls, string: str) -> Token:
-329        """Returns a STRING token with `string` as its text."""
-330        return cls(TokenType.STRING, string)
-331
-332    @classmethod
-333    def identifier(cls, identifier: str) -> Token:
-334        """Returns an IDENTIFIER token with `identifier` as its text."""
-335        return cls(TokenType.IDENTIFIER, identifier)
-336
-337    @classmethod
-338    def var(cls, var: str) -> Token:
-339        """Returns an VAR token with `var` as its text."""
-340        return cls(TokenType.VAR, var)
-341
-342    def __init__(
-343        self,
-344        token_type: TokenType,
-345        text: str,
-346        line: int = 1,
-347        col: int = 1,
-348        end: int = 0,
-349        comments: t.List[str] = [],
-350    ) -> None:
-351        self.token_type = token_type
-352        self.text = text
-353        self.line = line
-354        size = len(text)
-355        self.col = col
-356        self.end = end if end else size
-357        self.comments = comments
-358
-359    @property
-360    def start(self) -> int:
-361        """Returns the start of the token."""
-362        return self.end - len(self.text)
-363
-364    def __repr__(self) -> str:
-365        attributes = ", ".join(f"{k}: {getattr(self, k)}" for k in self.__slots__)
-366        return f"<Token {attributes}>"
+            
    321class Token:
+322    __slots__ = ("token_type", "text", "line", "col", "end", "comments")
+323
+324    @classmethod
+325    def number(cls, number: int) -> Token:
+326        """Returns a NUMBER token with `number` as its text."""
+327        return cls(TokenType.NUMBER, str(number))
+328
+329    @classmethod
+330    def string(cls, string: str) -> Token:
+331        """Returns a STRING token with `string` as its text."""
+332        return cls(TokenType.STRING, string)
+333
+334    @classmethod
+335    def identifier(cls, identifier: str) -> Token:
+336        """Returns an IDENTIFIER token with `identifier` as its text."""
+337        return cls(TokenType.IDENTIFIER, identifier)
+338
+339    @classmethod
+340    def var(cls, var: str) -> Token:
+341        """Returns an VAR token with `var` as its text."""
+342        return cls(TokenType.VAR, var)
+343
+344    def __init__(
+345        self,
+346        token_type: TokenType,
+347        text: str,
+348        line: int = 1,
+349        col: int = 1,
+350        end: int = 0,
+351        comments: t.List[str] = [],
+352    ) -> None:
+353        self.token_type = token_type
+354        self.text = text
+355        self.line = line
+356        size = len(text)
+357        self.col = col
+358        self.end = end if end else size
+359        self.comments = comments
+360
+361    @property
+362    def start(self) -> int:
+363        """Returns the start of the token."""
+364        return self.end - len(self.text)
+365
+366    def __repr__(self) -> str:
+367        attributes = ", ".join(f"{k}: {getattr(self, k)}" for k in self.__slots__)
+368        return f"<Token {attributes}>"
 
    
 
 
@@ -6138,22 +6174,22 @@
    - 
    342    def __init__(
-343        self,
-344        token_type: TokenType,
-345        text: str,
-346        line: int = 1,
-347        col: int = 1,
-348        end: int = 0,
-349        comments: t.List[str] = [],
-350    ) -> None:
-351        self.token_type = token_type
-352        self.text = text
-353        self.line = line
-354        size = len(text)
-355        self.col = col
-356        self.end = end if end else size
-357        self.comments = comments
+            
    344    def __init__(
+345        self,
+346        token_type: TokenType,
+347        text: str,
+348        line: int = 1,
+349        col: int = 1,
+350        end: int = 0,
+351        comments: t.List[str] = [],
+352    ) -> None:
+353        self.token_type = token_type
+354        self.text = text
+355        self.line = line
+356        size = len(text)
+357        self.col = col
+358        self.end = end if end else size
+359        self.comments = comments
 
    
 
 
@@ -6172,10 +6208,10 @@
    - 
    322    @classmethod
-323    def number(cls, number: int) -> Token:
-324        """Returns a NUMBER token with `number` as its text."""
-325        return cls(TokenType.NUMBER, str(number))
+            
    324    @classmethod
+325    def number(cls, number: int) -> Token:
+326        """Returns a NUMBER token with `number` as its text."""
+327        return cls(TokenType.NUMBER, str(number))
 
    
 
 
@@ -6196,10 +6232,10 @@
    - 
    327    @classmethod
-328    def string(cls, string: str) -> Token:
-329        """Returns a STRING token with `string` as its text."""
-330        return cls(TokenType.STRING, string)
+            
    329    @classmethod
+330    def string(cls, string: str) -> Token:
+331        """Returns a STRING token with `string` as its text."""
+332        return cls(TokenType.STRING, string)
 
    
 
 
@@ -6220,10 +6256,10 @@
    - 
    332    @classmethod
-333    def identifier(cls, identifier: str) -> Token:
-334        """Returns an IDENTIFIER token with `identifier` as its text."""
-335        return cls(TokenType.IDENTIFIER, identifier)
+            
    334    @classmethod
+335    def identifier(cls, identifier: str) -> Token:
+336        """Returns an IDENTIFIER token with `identifier` as its text."""
+337        return cls(TokenType.IDENTIFIER, identifier)
 
    
 
 
@@ -6244,10 +6280,10 @@
    - 
    337    @classmethod
-338    def var(cls, var: str) -> Token:
-339        """Returns an VAR token with `var` as its text."""
-340        return cls(TokenType.VAR, var)
+            
    339    @classmethod
+340    def var(cls, var: str) -> Token:
+341        """Returns an VAR token with `var` as its text."""
+342        return cls(TokenType.VAR, var)
 
    
 
 
@@ -6281,759 +6317,761 @@
    - 
     409class Tokenizer(metaclass=_Tokenizer):
- 410    SINGLE_TOKENS = {
- 411        "(": TokenType.L_PAREN,
- 412        ")": TokenType.R_PAREN,
- 413        "[": TokenType.L_BRACKET,
- 414        "]": TokenType.R_BRACKET,
- 415        "{": TokenType.L_BRACE,
- 416        "}": TokenType.R_BRACE,
- 417        "&": TokenType.AMP,
- 418        "^": TokenType.CARET,
- 419        ":": TokenType.COLON,
- 420        ",": TokenType.COMMA,
- 421        ".": TokenType.DOT,
- 422        "-": TokenType.DASH,
- 423        "=": TokenType.EQ,
- 424        ">": TokenType.GT,
- 425        "<": TokenType.LT,
- 426        "%": TokenType.MOD,
- 427        "!": TokenType.NOT,
- 428        "|": TokenType.PIPE,
- 429        "+": TokenType.PLUS,
- 430        ";": TokenType.SEMICOLON,
- 431        "/": TokenType.SLASH,
- 432        "\\": TokenType.BACKSLASH,
- 433        "*": TokenType.STAR,
- 434        "~": TokenType.TILDA,
- 435        "?": TokenType.PLACEHOLDER,
- 436        "@": TokenType.PARAMETER,
- 437        # used for breaking a var like x'y' but nothing else
- 438        # the token type doesn't matter
- 439        "'": TokenType.QUOTE,
- 440        "`": TokenType.IDENTIFIER,
- 441        '"': TokenType.IDENTIFIER,
- 442        "#": TokenType.HASH,
- 443    }
- 444
- 445    BIT_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 446    BYTE_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 447    HEX_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 448    IDENTIFIERS: t.List[str | t.Tuple[str, str]] = ['"']
- 449    IDENTIFIER_ESCAPES = ['"']
- 450    QUOTES: t.List[t.Tuple[str, str] | str] = ["'"]
- 451    STRING_ESCAPES = ["'"]
- 452    VAR_SINGLE_TOKENS: t.Set[str] = set()
- 453
- 454    _COMMENTS: t.Dict[str, str] = {}
- 455    _BIT_STRINGS: t.Dict[str, str] = {}
- 456    _BYTE_STRINGS: t.Dict[str, str] = {}
- 457    _HEX_STRINGS: t.Dict[str, str] = {}
- 458    _IDENTIFIERS: t.Dict[str, str] = {}
- 459    _IDENTIFIER_ESCAPES: t.Set[str] = set()
- 460    _QUOTES: t.Dict[str, str] = {}
- 461    _STRING_ESCAPES: t.Set[str] = set()
- 462
- 463    KEYWORDS: t.Dict[t.Optional[str], TokenType] = {
- 464        **{f"{{%{postfix}": TokenType.BLOCK_START for postfix in ("", "+", "-")},
- 465        **{f"{prefix}%}}": TokenType.BLOCK_END for prefix in ("", "+", "-")},
- 466        "{{+": TokenType.BLOCK_START,
- 467        "{{-": TokenType.BLOCK_START,
- 468        "+}}": TokenType.BLOCK_END,
- 469        "-}}": TokenType.BLOCK_END,
- 470        "/*+": TokenType.HINT,
- 471        "==": TokenType.EQ,
- 472        "::": TokenType.DCOLON,
- 473        "||": TokenType.DPIPE,
- 474        ">=": TokenType.GTE,
- 475        "<=": TokenType.LTE,
- 476        "<>": TokenType.NEQ,
- 477        "!=": TokenType.NEQ,
- 478        "<=>": TokenType.NULLSAFE_EQ,
- 479        "->": TokenType.ARROW,
- 480        "->>": TokenType.DARROW,
- 481        "=>": TokenType.FARROW,
- 482        "#>": TokenType.HASH_ARROW,
- 483        "#>>": TokenType.DHASH_ARROW,
- 484        "<->": TokenType.LR_ARROW,
- 485        "&&": TokenType.DAMP,
- 486        "ALL": TokenType.ALL,
- 487        "ALWAYS": TokenType.ALWAYS,
- 488        "AND": TokenType.AND,
- 489        "ANTI": TokenType.ANTI,
- 490        "ANY": TokenType.ANY,
- 491        "ASC": TokenType.ASC,
- 492        "AS": TokenType.ALIAS,
- 493        "AT TIME ZONE": TokenType.AT_TIME_ZONE,
- 494        "AUTOINCREMENT": TokenType.AUTO_INCREMENT,
- 495        "AUTO_INCREMENT": TokenType.AUTO_INCREMENT,
- 496        "BEGIN": TokenType.BEGIN,
- 497        "BETWEEN": TokenType.BETWEEN,
- 498        "BOTH": TokenType.BOTH,
- 499        "BUCKET": TokenType.BUCKET,
- 500        "BY DEFAULT": TokenType.BY_DEFAULT,
- 501        "CACHE": TokenType.CACHE,
- 502        "UNCACHE": TokenType.UNCACHE,
- 503        "CASE": TokenType.CASE,
- 504        "CASCADE": TokenType.CASCADE,
- 505        "CHARACTER SET": TokenType.CHARACTER_SET,
- 506        "CLUSTER BY": TokenType.CLUSTER_BY,
- 507        "COLLATE": TokenType.COLLATE,
- 508        "COLUMN": TokenType.COLUMN,
- 509        "COMMIT": TokenType.COMMIT,
- 510        "COMPOUND": TokenType.COMPOUND,
- 511        "CONSTRAINT": TokenType.CONSTRAINT,
- 512        "CREATE": TokenType.CREATE,
- 513        "CROSS": TokenType.CROSS,
- 514        "CUBE": TokenType.CUBE,
- 515        "CURRENT_DATE": TokenType.CURRENT_DATE,
- 516        "CURRENT ROW": TokenType.CURRENT_ROW,
- 517        "CURRENT_TIME": TokenType.CURRENT_TIME,
- 518        "CURRENT_TIMESTAMP": TokenType.CURRENT_TIMESTAMP,
- 519        "CURRENT_USER": TokenType.CURRENT_USER,
- 520        "DATABASE": TokenType.DATABASE,
- 521        "DEFAULT": TokenType.DEFAULT,
- 522        "DELETE": TokenType.DELETE,
- 523        "DESC": TokenType.DESC,
- 524        "DESCRIBE": TokenType.DESCRIBE,
- 525        "DISTINCT": TokenType.DISTINCT,
- 526        "DISTINCT FROM": TokenType.DISTINCT_FROM,
- 527        "DISTRIBUTE BY": TokenType.DISTRIBUTE_BY,
- 528        "DIV": TokenType.DIV,
- 529        "DROP": TokenType.DROP,
- 530        "ELSE": TokenType.ELSE,
- 531        "END": TokenType.END,
- 532        "ESCAPE": TokenType.ESCAPE,
- 533        "EXCEPT": TokenType.EXCEPT,
- 534        "EXECUTE": TokenType.EXECUTE,
- 535        "EXISTS": TokenType.EXISTS,
- 536        "FALSE": TokenType.FALSE,
- 537        "FETCH": TokenType.FETCH,
- 538        "FILTER": TokenType.FILTER,
- 539        "FIRST": TokenType.FIRST,
- 540        "FULL": TokenType.FULL,
- 541        "FUNCTION": TokenType.FUNCTION,
- 542        "FOLLOWING": TokenType.FOLLOWING,
- 543        "FOR": TokenType.FOR,
- 544        "FOREIGN KEY": TokenType.FOREIGN_KEY,
- 545        "FORMAT": TokenType.FORMAT,
- 546        "FROM": TokenType.FROM,
- 547        "GLOB": TokenType.GLOB,
- 548        "GROUP BY": TokenType.GROUP_BY,
- 549        "GROUPING SETS": TokenType.GROUPING_SETS,
- 550        "HAVING": TokenType.HAVING,
- 551        "IF": TokenType.IF,
- 552        "ILIKE": TokenType.ILIKE,
- 553        "IGNORE NULLS": TokenType.IGNORE_NULLS,
- 554        "IN": TokenType.IN,
- 555        "INDEX": TokenType.INDEX,
- 556        "INET": TokenType.INET,
- 557        "INNER": TokenType.INNER,
- 558        "INSERT": TokenType.INSERT,
- 559        "INTERVAL": TokenType.INTERVAL,
- 560        "INTERSECT": TokenType.INTERSECT,
- 561        "INTO": TokenType.INTO,
- 562        "IS": TokenType.IS,
- 563        "ISNULL": TokenType.ISNULL,
- 564        "JOIN": TokenType.JOIN,
- 565        "LATERAL": TokenType.LATERAL,
- 566        "LAZY": TokenType.LAZY,
- 567        "LEADING": TokenType.LEADING,
- 568        "LEFT": TokenType.LEFT,
- 569        "LIKE": TokenType.LIKE,
- 570        "LIMIT": TokenType.LIMIT,
- 571        "LOAD DATA": TokenType.LOAD_DATA,
- 572        "LOCAL": TokenType.LOCAL,
- 573        "MATERIALIZED": TokenType.MATERIALIZED,
- 574        "MERGE": TokenType.MERGE,
- 575        "NATURAL": TokenType.NATURAL,
- 576        "NEXT": TokenType.NEXT,
- 577        "NO ACTION": TokenType.NO_ACTION,
- 578        "NOT": TokenType.NOT,
- 579        "NOTNULL": TokenType.NOTNULL,
- 580        "NULL": TokenType.NULL,
- 581        "NULLS FIRST": TokenType.NULLS_FIRST,
- 582        "NULLS LAST": TokenType.NULLS_LAST,
- 583        "OBJECT": TokenType.OBJECT,
- 584        "OFFSET": TokenType.OFFSET,
- 585        "ON": TokenType.ON,
- 586        "ONLY": TokenType.ONLY,
- 587        "OPTIONS": TokenType.OPTIONS,
- 588        "OR": TokenType.OR,
- 589        "ORDER BY": TokenType.ORDER_BY,
- 590        "ORDINALITY": TokenType.ORDINALITY,
- 591        "OUTER": TokenType.OUTER,
- 592        "OUT OF": TokenType.OUT_OF,
- 593        "OVER": TokenType.OVER,
- 594        "OVERLAPS": TokenType.OVERLAPS,
- 595        "OVERWRITE": TokenType.OVERWRITE,
- 596        "PARTITION": TokenType.PARTITION,
- 597        "PARTITION BY": TokenType.PARTITION_BY,
- 598        "PARTITIONED BY": TokenType.PARTITION_BY,
- 599        "PARTITIONED_BY": TokenType.PARTITION_BY,
- 600        "PERCENT": TokenType.PERCENT,
- 601        "PIVOT": TokenType.PIVOT,
- 602        "PRAGMA": TokenType.PRAGMA,
- 603        "PRECEDING": TokenType.PRECEDING,
- 604        "PRIMARY KEY": TokenType.PRIMARY_KEY,
- 605        "PROCEDURE": TokenType.PROCEDURE,
- 606        "QUALIFY": TokenType.QUALIFY,
- 607        "RANGE": TokenType.RANGE,
- 608        "RECURSIVE": TokenType.RECURSIVE,
- 609        "REGEXP": TokenType.RLIKE,
- 610        "REPLACE": TokenType.REPLACE,
- 611        "RESPECT NULLS": TokenType.RESPECT_NULLS,
- 612        "REFERENCES": TokenType.REFERENCES,
- 613        "RIGHT": TokenType.RIGHT,
- 614        "RLIKE": TokenType.RLIKE,
- 615        "ROLLBACK": TokenType.ROLLBACK,
- 616        "ROLLUP": TokenType.ROLLUP,
- 617        "ROW": TokenType.ROW,
- 618        "ROWS": TokenType.ROWS,
- 619        "SCHEMA": TokenType.SCHEMA,
- 620        "SEED": TokenType.SEED,
- 621        "SELECT": TokenType.SELECT,
- 622        "SEMI": TokenType.SEMI,
- 623        "SET": TokenType.SET,
- 624        "SHOW": TokenType.SHOW,
- 625        "SIMILAR TO": TokenType.SIMILAR_TO,
- 626        "SOME": TokenType.SOME,
- 627        "SORTKEY": TokenType.SORTKEY,
- 628        "SORT BY": TokenType.SORT_BY,
- 629        "TABLE": TokenType.TABLE,
- 630        "TABLESAMPLE": TokenType.TABLE_SAMPLE,
- 631        "TEMP": TokenType.TEMPORARY,
- 632        "TEMPORARY": TokenType.TEMPORARY,
- 633        "THEN": TokenType.THEN,
- 634        "TRUE": TokenType.TRUE,
- 635        "TRAILING": TokenType.TRAILING,
- 636        "UNBOUNDED": TokenType.UNBOUNDED,
- 637        "UNION": TokenType.UNION,
- 638        "UNLOGGED": TokenType.UNLOGGED,
- 639        "UNNEST": TokenType.UNNEST,
- 640        "UNPIVOT": TokenType.UNPIVOT,
- 641        "UPDATE": TokenType.UPDATE,
- 642        "USE": TokenType.USE,
- 643        "USING": TokenType.USING,
- 644        "UUID": TokenType.UUID,
- 645        "VALUES": TokenType.VALUES,
- 646        "VIEW": TokenType.VIEW,
- 647        "VOLATILE": TokenType.VOLATILE,
- 648        "WHEN": TokenType.WHEN,
- 649        "WHERE": TokenType.WHERE,
- 650        "WINDOW": TokenType.WINDOW,
- 651        "WITH": TokenType.WITH,
- 652        "WITH TIME ZONE": TokenType.WITH_TIME_ZONE,
- 653        "WITH LOCAL TIME ZONE": TokenType.WITH_LOCAL_TIME_ZONE,
- 654        "WITHIN GROUP": TokenType.WITHIN_GROUP,
- 655        "WITHOUT TIME ZONE": TokenType.WITHOUT_TIME_ZONE,
- 656        "APPLY": TokenType.APPLY,
- 657        "ARRAY": TokenType.ARRAY,
- 658        "BIT": TokenType.BIT,
- 659        "BOOL": TokenType.BOOLEAN,
- 660        "BOOLEAN": TokenType.BOOLEAN,
- 661        "BYTE": TokenType.TINYINT,
- 662        "TINYINT": TokenType.TINYINT,
- 663        "SHORT": TokenType.SMALLINT,
- 664        "SMALLINT": TokenType.SMALLINT,
- 665        "INT2": TokenType.SMALLINT,
- 666        "INTEGER": TokenType.INT,
- 667        "INT": TokenType.INT,
- 668        "INT4": TokenType.INT,
- 669        "LONG": TokenType.BIGINT,
- 670        "BIGINT": TokenType.BIGINT,
- 671        "INT8": TokenType.BIGINT,
- 672        "DEC": TokenType.DECIMAL,
- 673        "DECIMAL": TokenType.DECIMAL,
- 674        "BIGDECIMAL": TokenType.BIGDECIMAL,
- 675        "BIGNUMERIC": TokenType.BIGDECIMAL,
- 676        "MAP": TokenType.MAP,
- 677        "NULLABLE": TokenType.NULLABLE,
- 678        "NUMBER": TokenType.DECIMAL,
- 679        "NUMERIC": TokenType.DECIMAL,
- 680        "FIXED": TokenType.DECIMAL,
- 681        "REAL": TokenType.FLOAT,
- 682        "FLOAT": TokenType.FLOAT,
- 683        "FLOAT4": TokenType.FLOAT,
- 684        "FLOAT8": TokenType.DOUBLE,
- 685        "DOUBLE": TokenType.DOUBLE,
- 686        "DOUBLE PRECISION": TokenType.DOUBLE,
- 687        "JSON": TokenType.JSON,
- 688        "CHAR": TokenType.CHAR,
- 689        "CHARACTER": TokenType.CHAR,
- 690        "NCHAR": TokenType.NCHAR,
- 691        "VARCHAR": TokenType.VARCHAR,
- 692        "VARCHAR2": TokenType.VARCHAR,
- 693        "NVARCHAR": TokenType.NVARCHAR,
- 694        "NVARCHAR2": TokenType.NVARCHAR,
- 695        "STR": TokenType.TEXT,
- 696        "STRING": TokenType.TEXT,
- 697        "TEXT": TokenType.TEXT,
- 698        "CLOB": TokenType.TEXT,
- 699        "LONGVARCHAR": TokenType.TEXT,
- 700        "BINARY": TokenType.BINARY,
- 701        "BLOB": TokenType.VARBINARY,
- 702        "BYTEA": TokenType.VARBINARY,
- 703        "VARBINARY": TokenType.VARBINARY,
- 704        "TIME": TokenType.TIME,
- 705        "TIMESTAMP": TokenType.TIMESTAMP,
- 706        "TIMESTAMPTZ": TokenType.TIMESTAMPTZ,
- 707        "TIMESTAMPLTZ": TokenType.TIMESTAMPLTZ,
- 708        "DATE": TokenType.DATE,
- 709        "DATETIME": TokenType.DATETIME,
- 710        "UNIQUE": TokenType.UNIQUE,
- 711        "STRUCT": TokenType.STRUCT,
- 712        "VARIANT": TokenType.VARIANT,
- 713        "ALTER": TokenType.ALTER,
- 714        "ALTER AGGREGATE": TokenType.COMMAND,
- 715        "ALTER DEFAULT": TokenType.COMMAND,
- 716        "ALTER DOMAIN": TokenType.COMMAND,
- 717        "ALTER ROLE": TokenType.COMMAND,
- 718        "ALTER RULE": TokenType.COMMAND,
- 719        "ALTER SEQUENCE": TokenType.COMMAND,
- 720        "ALTER TYPE": TokenType.COMMAND,
- 721        "ALTER USER": TokenType.COMMAND,
- 722        "ALTER VIEW": TokenType.COMMAND,
- 723        "ANALYZE": TokenType.COMMAND,
- 724        "CALL": TokenType.COMMAND,
- 725        "COMMENT": TokenType.COMMENT,
- 726        "COPY": TokenType.COMMAND,
- 727        "EXPLAIN": TokenType.COMMAND,
- 728        "GRANT": TokenType.COMMAND,
- 729        "OPTIMIZE": TokenType.COMMAND,
- 730        "PREPARE": TokenType.COMMAND,
- 731        "TRUNCATE": TokenType.COMMAND,
- 732        "VACUUM": TokenType.COMMAND,
- 733    }
- 734
- 735    WHITE_SPACE: t.Dict[t.Optional[str], TokenType] = {
- 736        " ": TokenType.SPACE,
- 737        "\t": TokenType.SPACE,
- 738        "\n": TokenType.BREAK,
- 739        "\r": TokenType.BREAK,
- 740        "\r\n": TokenType.BREAK,
- 741    }
- 742
- 743    COMMANDS = {
- 744        TokenType.COMMAND,
- 745        TokenType.EXECUTE,
- 746        TokenType.FETCH,
- 747        TokenType.SHOW,
- 748    }
- 749
- 750    COMMAND_PREFIX_TOKENS = {TokenType.SEMICOLON, TokenType.BEGIN}
- 751
- 752    # handle numeric literals like in hive (3L = BIGINT)
- 753    NUMERIC_LITERALS: t.Dict[str, str] = {}
- 754    ENCODE: t.Optional[str] = None
+            
     411class Tokenizer(metaclass=_Tokenizer):
+ 412    SINGLE_TOKENS = {
+ 413        "(": TokenType.L_PAREN,
+ 414        ")": TokenType.R_PAREN,
+ 415        "[": TokenType.L_BRACKET,
+ 416        "]": TokenType.R_BRACKET,
+ 417        "{": TokenType.L_BRACE,
+ 418        "}": TokenType.R_BRACE,
+ 419        "&": TokenType.AMP,
+ 420        "^": TokenType.CARET,
+ 421        ":": TokenType.COLON,
+ 422        ",": TokenType.COMMA,
+ 423        ".": TokenType.DOT,
+ 424        "-": TokenType.DASH,
+ 425        "=": TokenType.EQ,
+ 426        ">": TokenType.GT,
+ 427        "<": TokenType.LT,
+ 428        "%": TokenType.MOD,
+ 429        "!": TokenType.NOT,
+ 430        "|": TokenType.PIPE,
+ 431        "+": TokenType.PLUS,
+ 432        ";": TokenType.SEMICOLON,
+ 433        "/": TokenType.SLASH,
+ 434        "\\": TokenType.BACKSLASH,
+ 435        "*": TokenType.STAR,
+ 436        "~": TokenType.TILDA,
+ 437        "?": TokenType.PLACEHOLDER,
+ 438        "@": TokenType.PARAMETER,
+ 439        # used for breaking a var like x'y' but nothing else
+ 440        # the token type doesn't matter
+ 441        "'": TokenType.QUOTE,
+ 442        "`": TokenType.IDENTIFIER,
+ 443        '"': TokenType.IDENTIFIER,
+ 444        "#": TokenType.HASH,
+ 445    }
+ 446
+ 447    BIT_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 448    BYTE_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 449    HEX_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 450    IDENTIFIERS: t.List[str | t.Tuple[str, str]] = ['"']
+ 451    IDENTIFIER_ESCAPES = ['"']
+ 452    QUOTES: t.List[t.Tuple[str, str] | str] = ["'"]
+ 453    STRING_ESCAPES = ["'"]
+ 454    VAR_SINGLE_TOKENS: t.Set[str] = set()
+ 455
+ 456    _COMMENTS: t.Dict[str, str] = {}
+ 457    _BIT_STRINGS: t.Dict[str, str] = {}
+ 458    _BYTE_STRINGS: t.Dict[str, str] = {}
+ 459    _HEX_STRINGS: t.Dict[str, str] = {}
+ 460    _IDENTIFIERS: t.Dict[str, str] = {}
+ 461    _IDENTIFIER_ESCAPES: t.Set[str] = set()
+ 462    _QUOTES: t.Dict[str, str] = {}
+ 463    _STRING_ESCAPES: t.Set[str] = set()
+ 464
+ 465    KEYWORDS: t.Dict[t.Optional[str], TokenType] = {
+ 466        **{f"{{%{postfix}": TokenType.BLOCK_START for postfix in ("", "+", "-")},
+ 467        **{f"{prefix}%}}": TokenType.BLOCK_END for prefix in ("", "+", "-")},
+ 468        "{{+": TokenType.BLOCK_START,
+ 469        "{{-": TokenType.BLOCK_START,
+ 470        "+}}": TokenType.BLOCK_END,
+ 471        "-}}": TokenType.BLOCK_END,
+ 472        "/*+": TokenType.HINT,
+ 473        "==": TokenType.EQ,
+ 474        "::": TokenType.DCOLON,
+ 475        "||": TokenType.DPIPE,
+ 476        ">=": TokenType.GTE,
+ 477        "<=": TokenType.LTE,
+ 478        "<>": TokenType.NEQ,
+ 479        "!=": TokenType.NEQ,
+ 480        "<=>": TokenType.NULLSAFE_EQ,
+ 481        "->": TokenType.ARROW,
+ 482        "->>": TokenType.DARROW,
+ 483        "=>": TokenType.FARROW,
+ 484        "#>": TokenType.HASH_ARROW,
+ 485        "#>>": TokenType.DHASH_ARROW,
+ 486        "<->": TokenType.LR_ARROW,
+ 487        "&&": TokenType.DAMP,
+ 488        "ALL": TokenType.ALL,
+ 489        "ALWAYS": TokenType.ALWAYS,
+ 490        "AND": TokenType.AND,
+ 491        "ANTI": TokenType.ANTI,
+ 492        "ANY": TokenType.ANY,
+ 493        "ASC": TokenType.ASC,
+ 494        "AS": TokenType.ALIAS,
+ 495        "AT TIME ZONE": TokenType.AT_TIME_ZONE,
+ 496        "AUTOINCREMENT": TokenType.AUTO_INCREMENT,
+ 497        "AUTO_INCREMENT": TokenType.AUTO_INCREMENT,
+ 498        "BEGIN": TokenType.BEGIN,
+ 499        "BETWEEN": TokenType.BETWEEN,
+ 500        "BOTH": TokenType.BOTH,
+ 501        "BUCKET": TokenType.BUCKET,
+ 502        "BY DEFAULT": TokenType.BY_DEFAULT,
+ 503        "CACHE": TokenType.CACHE,
+ 504        "UNCACHE": TokenType.UNCACHE,
+ 505        "CASE": TokenType.CASE,
+ 506        "CASCADE": TokenType.CASCADE,
+ 507        "CHARACTER SET": TokenType.CHARACTER_SET,
+ 508        "CLUSTER BY": TokenType.CLUSTER_BY,
+ 509        "COLLATE": TokenType.COLLATE,
+ 510        "COLUMN": TokenType.COLUMN,
+ 511        "COMMIT": TokenType.COMMIT,
+ 512        "COMPOUND": TokenType.COMPOUND,
+ 513        "CONSTRAINT": TokenType.CONSTRAINT,
+ 514        "CREATE": TokenType.CREATE,
+ 515        "CROSS": TokenType.CROSS,
+ 516        "CUBE": TokenType.CUBE,
+ 517        "CURRENT_DATE": TokenType.CURRENT_DATE,
+ 518        "CURRENT ROW": TokenType.CURRENT_ROW,
+ 519        "CURRENT_TIME": TokenType.CURRENT_TIME,
+ 520        "CURRENT_TIMESTAMP": TokenType.CURRENT_TIMESTAMP,
+ 521        "CURRENT_USER": TokenType.CURRENT_USER,
+ 522        "DATABASE": TokenType.DATABASE,
+ 523        "DEFAULT": TokenType.DEFAULT,
+ 524        "DELETE": TokenType.DELETE,
+ 525        "DESC": TokenType.DESC,
+ 526        "DESCRIBE": TokenType.DESCRIBE,
+ 527        "DISTINCT": TokenType.DISTINCT,
+ 528        "DISTINCT FROM": TokenType.DISTINCT_FROM,
+ 529        "DISTRIBUTE BY": TokenType.DISTRIBUTE_BY,
+ 530        "DIV": TokenType.DIV,
+ 531        "DROP": TokenType.DROP,
+ 532        "ELSE": TokenType.ELSE,
+ 533        "END": TokenType.END,
+ 534        "ESCAPE": TokenType.ESCAPE,
+ 535        "EXCEPT": TokenType.EXCEPT,
+ 536        "EXECUTE": TokenType.EXECUTE,
+ 537        "EXISTS": TokenType.EXISTS,
+ 538        "FALSE": TokenType.FALSE,
+ 539        "FETCH": TokenType.FETCH,
+ 540        "FILTER": TokenType.FILTER,
+ 541        "FIRST": TokenType.FIRST,
+ 542        "FULL": TokenType.FULL,
+ 543        "FUNCTION": TokenType.FUNCTION,
+ 544        "FOLLOWING": TokenType.FOLLOWING,
+ 545        "FOR": TokenType.FOR,
+ 546        "FOREIGN KEY": TokenType.FOREIGN_KEY,
+ 547        "FORMAT": TokenType.FORMAT,
+ 548        "FROM": TokenType.FROM,
+ 549        "GLOB": TokenType.GLOB,
+ 550        "GROUP BY": TokenType.GROUP_BY,
+ 551        "GROUPING SETS": TokenType.GROUPING_SETS,
+ 552        "HAVING": TokenType.HAVING,
+ 553        "IF": TokenType.IF,
+ 554        "ILIKE": TokenType.ILIKE,
+ 555        "IGNORE NULLS": TokenType.IGNORE_NULLS,
+ 556        "IN": TokenType.IN,
+ 557        "INDEX": TokenType.INDEX,
+ 558        "INET": TokenType.INET,
+ 559        "INNER": TokenType.INNER,
+ 560        "INSERT": TokenType.INSERT,
+ 561        "INTERVAL": TokenType.INTERVAL,
+ 562        "INTERSECT": TokenType.INTERSECT,
+ 563        "INTO": TokenType.INTO,
+ 564        "IS": TokenType.IS,
+ 565        "ISNULL": TokenType.ISNULL,
+ 566        "JOIN": TokenType.JOIN,
+ 567        "KEEP": TokenType.KEEP,
+ 568        "LATERAL": TokenType.LATERAL,
+ 569        "LAZY": TokenType.LAZY,
+ 570        "LEADING": TokenType.LEADING,
+ 571        "LEFT": TokenType.LEFT,
+ 572        "LIKE": TokenType.LIKE,
+ 573        "LIMIT": TokenType.LIMIT,
+ 574        "LOAD DATA": TokenType.LOAD_DATA,
+ 575        "LOCAL": TokenType.LOCAL,
+ 576        "MATERIALIZED": TokenType.MATERIALIZED,
+ 577        "MERGE": TokenType.MERGE,
+ 578        "NATURAL": TokenType.NATURAL,
+ 579        "NEXT": TokenType.NEXT,
+ 580        "NEXT VALUE FOR": TokenType.NEXT_VALUE_FOR,
+ 581        "NO ACTION": TokenType.NO_ACTION,
+ 582        "NOT": TokenType.NOT,
+ 583        "NOTNULL": TokenType.NOTNULL,
+ 584        "NULL": TokenType.NULL,
+ 585        "NULLS FIRST": TokenType.NULLS_FIRST,
+ 586        "NULLS LAST": TokenType.NULLS_LAST,
+ 587        "OBJECT": TokenType.OBJECT,
+ 588        "OFFSET": TokenType.OFFSET,
+ 589        "ON": TokenType.ON,
+ 590        "ONLY": TokenType.ONLY,
+ 591        "OPTIONS": TokenType.OPTIONS,
+ 592        "OR": TokenType.OR,
+ 593        "ORDER BY": TokenType.ORDER_BY,
+ 594        "ORDINALITY": TokenType.ORDINALITY,
+ 595        "OUTER": TokenType.OUTER,
+ 596        "OUT OF": TokenType.OUT_OF,
+ 597        "OVER": TokenType.OVER,
+ 598        "OVERLAPS": TokenType.OVERLAPS,
+ 599        "OVERWRITE": TokenType.OVERWRITE,
+ 600        "PARTITION": TokenType.PARTITION,
+ 601        "PARTITION BY": TokenType.PARTITION_BY,
+ 602        "PARTITIONED BY": TokenType.PARTITION_BY,
+ 603        "PARTITIONED_BY": TokenType.PARTITION_BY,
+ 604        "PERCENT": TokenType.PERCENT,
+ 605        "PIVOT": TokenType.PIVOT,
+ 606        "PRAGMA": TokenType.PRAGMA,
+ 607        "PRECEDING": TokenType.PRECEDING,
+ 608        "PRIMARY KEY": TokenType.PRIMARY_KEY,
+ 609        "PROCEDURE": TokenType.PROCEDURE,
+ 610        "QUALIFY": TokenType.QUALIFY,
+ 611        "RANGE": TokenType.RANGE,
+ 612        "RECURSIVE": TokenType.RECURSIVE,
+ 613        "REGEXP": TokenType.RLIKE,
+ 614        "REPLACE": TokenType.REPLACE,
+ 615        "RESPECT NULLS": TokenType.RESPECT_NULLS,
+ 616        "REFERENCES": TokenType.REFERENCES,
+ 617        "RIGHT": TokenType.RIGHT,
+ 618        "RLIKE": TokenType.RLIKE,
+ 619        "ROLLBACK": TokenType.ROLLBACK,
+ 620        "ROLLUP": TokenType.ROLLUP,
+ 621        "ROW": TokenType.ROW,
+ 622        "ROWS": TokenType.ROWS,
+ 623        "SCHEMA": TokenType.SCHEMA,
+ 624        "SEED": TokenType.SEED,
+ 625        "SELECT": TokenType.SELECT,
+ 626        "SEMI": TokenType.SEMI,
+ 627        "SET": TokenType.SET,
+ 628        "SHOW": TokenType.SHOW,
+ 629        "SIMILAR TO": TokenType.SIMILAR_TO,
+ 630        "SOME": TokenType.SOME,
+ 631        "SORTKEY": TokenType.SORTKEY,
+ 632        "SORT BY": TokenType.SORT_BY,
+ 633        "TABLE": TokenType.TABLE,
+ 634        "TABLESAMPLE": TokenType.TABLE_SAMPLE,
+ 635        "TEMP": TokenType.TEMPORARY,
+ 636        "TEMPORARY": TokenType.TEMPORARY,
+ 637        "THEN": TokenType.THEN,
+ 638        "TRUE": TokenType.TRUE,
+ 639        "TRAILING": TokenType.TRAILING,
+ 640        "UNBOUNDED": TokenType.UNBOUNDED,
+ 641        "UNION": TokenType.UNION,
+ 642        "UNLOGGED": TokenType.UNLOGGED,
+ 643        "UNNEST": TokenType.UNNEST,
+ 644        "UNPIVOT": TokenType.UNPIVOT,
+ 645        "UPDATE": TokenType.UPDATE,
+ 646        "USE": TokenType.USE,
+ 647        "USING": TokenType.USING,
+ 648        "UUID": TokenType.UUID,
+ 649        "VALUES": TokenType.VALUES,
+ 650        "VIEW": TokenType.VIEW,
+ 651        "VOLATILE": TokenType.VOLATILE,
+ 652        "WHEN": TokenType.WHEN,
+ 653        "WHERE": TokenType.WHERE,
+ 654        "WINDOW": TokenType.WINDOW,
+ 655        "WITH": TokenType.WITH,
+ 656        "WITH TIME ZONE": TokenType.WITH_TIME_ZONE,
+ 657        "WITH LOCAL TIME ZONE": TokenType.WITH_LOCAL_TIME_ZONE,
+ 658        "WITHIN GROUP": TokenType.WITHIN_GROUP,
+ 659        "WITHOUT TIME ZONE": TokenType.WITHOUT_TIME_ZONE,
+ 660        "APPLY": TokenType.APPLY,
+ 661        "ARRAY": TokenType.ARRAY,
+ 662        "BIT": TokenType.BIT,
+ 663        "BOOL": TokenType.BOOLEAN,
+ 664        "BOOLEAN": TokenType.BOOLEAN,
+ 665        "BYTE": TokenType.TINYINT,
+ 666        "TINYINT": TokenType.TINYINT,
+ 667        "SHORT": TokenType.SMALLINT,
+ 668        "SMALLINT": TokenType.SMALLINT,
+ 669        "INT2": TokenType.SMALLINT,
+ 670        "INTEGER": TokenType.INT,
+ 671        "INT": TokenType.INT,
+ 672        "INT4": TokenType.INT,
+ 673        "LONG": TokenType.BIGINT,
+ 674        "BIGINT": TokenType.BIGINT,
+ 675        "INT8": TokenType.BIGINT,
+ 676        "DEC": TokenType.DECIMAL,
+ 677        "DECIMAL": TokenType.DECIMAL,
+ 678        "BIGDECIMAL": TokenType.BIGDECIMAL,
+ 679        "BIGNUMERIC": TokenType.BIGDECIMAL,
+ 680        "MAP": TokenType.MAP,
+ 681        "NULLABLE": TokenType.NULLABLE,
+ 682        "NUMBER": TokenType.DECIMAL,
+ 683        "NUMERIC": TokenType.DECIMAL,
+ 684        "FIXED": TokenType.DECIMAL,
+ 685        "REAL": TokenType.FLOAT,
+ 686        "FLOAT": TokenType.FLOAT,
+ 687        "FLOAT4": TokenType.FLOAT,
+ 688        "FLOAT8": TokenType.DOUBLE,
+ 689        "DOUBLE": TokenType.DOUBLE,
+ 690        "DOUBLE PRECISION": TokenType.DOUBLE,
+ 691        "JSON": TokenType.JSON,
+ 692        "CHAR": TokenType.CHAR,
+ 693        "CHARACTER": TokenType.CHAR,
+ 694        "NCHAR": TokenType.NCHAR,
+ 695        "VARCHAR": TokenType.VARCHAR,
+ 696        "VARCHAR2": TokenType.VARCHAR,
+ 697        "NVARCHAR": TokenType.NVARCHAR,
+ 698        "NVARCHAR2": TokenType.NVARCHAR,
+ 699        "STR": TokenType.TEXT,
+ 700        "STRING": TokenType.TEXT,
+ 701        "TEXT": TokenType.TEXT,
+ 702        "CLOB": TokenType.TEXT,
+ 703        "LONGVARCHAR": TokenType.TEXT,
+ 704        "BINARY": TokenType.BINARY,
+ 705        "BLOB": TokenType.VARBINARY,
+ 706        "BYTEA": TokenType.VARBINARY,
+ 707        "VARBINARY": TokenType.VARBINARY,
+ 708        "TIME": TokenType.TIME,
+ 709        "TIMESTAMP": TokenType.TIMESTAMP,
+ 710        "TIMESTAMPTZ": TokenType.TIMESTAMPTZ,
+ 711        "TIMESTAMPLTZ": TokenType.TIMESTAMPLTZ,
+ 712        "DATE": TokenType.DATE,
+ 713        "DATETIME": TokenType.DATETIME,
+ 714        "UNIQUE": TokenType.UNIQUE,
+ 715        "STRUCT": TokenType.STRUCT,
+ 716        "VARIANT": TokenType.VARIANT,
+ 717        "ALTER": TokenType.ALTER,
+ 718        "ALTER AGGREGATE": TokenType.COMMAND,
+ 719        "ALTER DEFAULT": TokenType.COMMAND,
+ 720        "ALTER DOMAIN": TokenType.COMMAND,
+ 721        "ALTER ROLE": TokenType.COMMAND,
+ 722        "ALTER RULE": TokenType.COMMAND,
+ 723        "ALTER SEQUENCE": TokenType.COMMAND,
+ 724        "ALTER TYPE": TokenType.COMMAND,
+ 725        "ALTER USER": TokenType.COMMAND,
+ 726        "ALTER VIEW": TokenType.COMMAND,
+ 727        "ANALYZE": TokenType.COMMAND,
+ 728        "CALL": TokenType.COMMAND,
+ 729        "COMMENT": TokenType.COMMENT,
+ 730        "COPY": TokenType.COMMAND,
+ 731        "EXPLAIN": TokenType.COMMAND,
+ 732        "GRANT": TokenType.COMMAND,
+ 733        "OPTIMIZE": TokenType.COMMAND,
+ 734        "PREPARE": TokenType.COMMAND,
+ 735        "TRUNCATE": TokenType.COMMAND,
+ 736        "VACUUM": TokenType.COMMAND,
+ 737    }
+ 738
+ 739    WHITE_SPACE: t.Dict[t.Optional[str], TokenType] = {
+ 740        " ": TokenType.SPACE,
+ 741        "\t": TokenType.SPACE,
+ 742        "\n": TokenType.BREAK,
+ 743        "\r": TokenType.BREAK,
+ 744        "\r\n": TokenType.BREAK,
+ 745    }
+ 746
+ 747    COMMANDS = {
+ 748        TokenType.COMMAND,
+ 749        TokenType.EXECUTE,
+ 750        TokenType.FETCH,
+ 751        TokenType.SHOW,
+ 752    }
+ 753
+ 754    COMMAND_PREFIX_TOKENS = {TokenType.SEMICOLON, TokenType.BEGIN}
  755
- 756    COMMENTS = ["--", ("/*", "*/"), ("{#", "#}")]
- 757    KEYWORD_TRIE: t.Dict = {}  # autofilled
- 758
- 759    IDENTIFIER_CAN_START_WITH_DIGIT = False
- 760
- 761    __slots__ = (
- 762        "sql",
- 763        "size",
- 764        "tokens",
- 765        "_start",
- 766        "_current",
- 767        "_line",
- 768        "_col",
- 769        "_comments",
- 770        "_char",
- 771        "_end",
- 772        "_peek",
- 773        "_prev_token_line",
- 774        "_prev_token_comments",
- 775        "_prev_token_type",
- 776    )
- 777
- 778    def __init__(self) -> None:
- 779        self.reset()
- 780
- 781    def reset(self) -> None:
- 782        self.sql = ""
- 783        self.size = 0
- 784        self.tokens: t.List[Token] = []
- 785        self._start = 0
- 786        self._current = 0
- 787        self._line = 1
- 788        self._col = 1
- 789        self._comments: t.List[str] = []
- 790
- 791        self._char = ""
- 792        self._end = False
- 793        self._peek = ""
- 794        self._prev_token_line = -1
- 795        self._prev_token_comments: t.List[str] = []
- 796        self._prev_token_type: t.Optional[TokenType] = None
- 797
- 798    def tokenize(self, sql: str) -> t.List[Token]:
- 799        """Returns a list of tokens corresponding to the SQL string `sql`."""
- 800        self.reset()
- 801        self.sql = sql
- 802        self.size = len(sql)
- 803        try:
- 804            self._scan()
- 805        except Exception as e:
- 806            start = self._current - 50
- 807            end = self._current + 50
- 808            start = start if start > 0 else 0
- 809            end = end if end < self.size else self.size - 1
- 810            context = self.sql[start:end]
- 811            raise ValueError(f"Error tokenizing '{context}'") from e
- 812
- 813        return self.tokens
- 814
- 815    def _scan(self, until: t.Optional[t.Callable] = None) -> None:
- 816        while self.size and not self._end:
- 817            self._start = self._current
- 818            self._advance()
- 819
- 820            if self._char is None:
- 821                break
- 822
- 823            if self._char not in self.WHITE_SPACE:
- 824                if self._char.isdigit():
- 825                    self._scan_number()
- 826                elif self._char in self._IDENTIFIERS:
- 827                    self._scan_identifier(self._IDENTIFIERS[self._char])
- 828                else:
- 829                    self._scan_keywords()
- 830
- 831            if until and until():
- 832                break
- 833
- 834        if self.tokens:
- 835            self.tokens[-1].comments.extend(self._comments)
- 836
- 837    def _chars(self, size: int) -> str:
- 838        if size == 1:
- 839            return self._char
- 840        start = self._current - 1
- 841        end = start + size
- 842        if end <= self.size:
- 843            return self.sql[start:end]
- 844        return ""
- 845
- 846    def _advance(self, i: int = 1) -> None:
- 847        if self.WHITE_SPACE.get(self._char) is TokenType.BREAK:
- 848            self._col = 1
- 849            self._line += 1
- 850        else:
- 851            self._col += i
- 852
- 853        self._current += i
- 854        self._end = self._current >= self.size
- 855        self._char = self.sql[self._current - 1]
- 856        self._peek = "" if self._end else self.sql[self._current]
- 857
- 858    @property
- 859    def _text(self) -> str:
- 860        return self.sql[self._start : self._current]
+ 756    # handle numeric literals like in hive (3L = BIGINT)
+ 757    NUMERIC_LITERALS: t.Dict[str, str] = {}
+ 758    ENCODE: t.Optional[str] = None
+ 759
+ 760    COMMENTS = ["--", ("/*", "*/"), ("{#", "#}")]
+ 761    KEYWORD_TRIE: t.Dict = {}  # autofilled
+ 762
+ 763    IDENTIFIER_CAN_START_WITH_DIGIT = False
+ 764
+ 765    __slots__ = (
+ 766        "sql",
+ 767        "size",
+ 768        "tokens",
+ 769        "_start",
+ 770        "_current",
+ 771        "_line",
+ 772        "_col",
+ 773        "_comments",
+ 774        "_char",
+ 775        "_end",
+ 776        "_peek",
+ 777        "_prev_token_line",
+ 778        "_prev_token_comments",
+ 779        "_prev_token_type",
+ 780    )
+ 781
+ 782    def __init__(self) -> None:
+ 783        self.reset()
+ 784
+ 785    def reset(self) -> None:
+ 786        self.sql = ""
+ 787        self.size = 0
+ 788        self.tokens: t.List[Token] = []
+ 789        self._start = 0
+ 790        self._current = 0
+ 791        self._line = 1
+ 792        self._col = 1
+ 793        self._comments: t.List[str] = []
+ 794
+ 795        self._char = ""
+ 796        self._end = False
+ 797        self._peek = ""
+ 798        self._prev_token_line = -1
+ 799        self._prev_token_comments: t.List[str] = []
+ 800        self._prev_token_type: t.Optional[TokenType] = None
+ 801
+ 802    def tokenize(self, sql: str) -> t.List[Token]:
+ 803        """Returns a list of tokens corresponding to the SQL string `sql`."""
+ 804        self.reset()
+ 805        self.sql = sql
+ 806        self.size = len(sql)
+ 807        try:
+ 808            self._scan()
+ 809        except Exception as e:
+ 810            start = self._current - 50
+ 811            end = self._current + 50
+ 812            start = start if start > 0 else 0
+ 813            end = end if end < self.size else self.size - 1
+ 814            context = self.sql[start:end]
+ 815            raise ValueError(f"Error tokenizing '{context}'") from e
+ 816
+ 817        return self.tokens
+ 818
+ 819    def _scan(self, until: t.Optional[t.Callable] = None) -> None:
+ 820        while self.size and not self._end:
+ 821            self._start = self._current
+ 822            self._advance()
+ 823
+ 824            if self._char is None:
+ 825                break
+ 826
+ 827            if self._char not in self.WHITE_SPACE:
+ 828                if self._char.isdigit():
+ 829                    self._scan_number()
+ 830                elif self._char in self._IDENTIFIERS:
+ 831                    self._scan_identifier(self._IDENTIFIERS[self._char])
+ 832                else:
+ 833                    self._scan_keywords()
+ 834
+ 835            if until and until():
+ 836                break
+ 837
+ 838        if self.tokens:
+ 839            self.tokens[-1].comments.extend(self._comments)
+ 840
+ 841    def _chars(self, size: int) -> str:
+ 842        if size == 1:
+ 843            return self._char
+ 844        start = self._current - 1
+ 845        end = start + size
+ 846        if end <= self.size:
+ 847            return self.sql[start:end]
+ 848        return ""
+ 849
+ 850    def _advance(self, i: int = 1) -> None:
+ 851        if self.WHITE_SPACE.get(self._char) is TokenType.BREAK:
+ 852            self._col = 1
+ 853            self._line += 1
+ 854        else:
+ 855            self._col += i
+ 856
+ 857        self._current += i
+ 858        self._end = self._current >= self.size
+ 859        self._char = self.sql[self._current - 1]
+ 860        self._peek = "" if self._end else self.sql[self._current]
  861
- 862    def _add(self, token_type: TokenType, text: t.Optional[str] = None) -> None:
- 863        self._prev_token_line = self._line
- 864        self._prev_token_comments = self._comments
- 865        self._prev_token_type = token_type
- 866        self.tokens.append(
- 867            Token(
- 868                token_type,
- 869                self._text if text is None else text,
- 870                self._line,
- 871                self._col,
- 872                self._current,
- 873                self._comments,
- 874            )
- 875        )
- 876        self._comments = []
- 877
- 878        # If we have either a semicolon or a begin token before the command's token, we'll parse
- 879        # whatever follows the command's token as a string
- 880        if (
- 881            token_type in self.COMMANDS
- 882            and self._peek != ";"
- 883            and (len(self.tokens) == 1 or self.tokens[-2].token_type in self.COMMAND_PREFIX_TOKENS)
- 884        ):
- 885            start = self._current
- 886            tokens = len(self.tokens)
- 887            self._scan(lambda: self._peek == ";")
- 888            self.tokens = self.tokens[:tokens]
- 889            text = self.sql[start : self._current].strip()
- 890            if text:
- 891                self._add(TokenType.STRING, text)
- 892
- 893    def _scan_keywords(self) -> None:
- 894        size = 0
- 895        word = None
- 896        chars = self._text
- 897        char = chars
- 898        prev_space = False
- 899        skip = False
- 900        trie = self.KEYWORD_TRIE
- 901        single_token = char in self.SINGLE_TOKENS
- 902
- 903        while chars:
- 904            if skip:
- 905                result = 1
- 906            else:
- 907                result, trie = in_trie(trie, char.upper())
- 908
- 909            if result == 0:
- 910                break
- 911            if result == 2:
- 912                word = chars
- 913            size += 1
- 914            end = self._current - 1 + size
- 915
- 916            if end < self.size:
- 917                char = self.sql[end]
- 918                single_token = single_token or char in self.SINGLE_TOKENS
- 919                is_space = char in self.WHITE_SPACE
- 920
- 921                if not is_space or not prev_space:
- 922                    if is_space:
- 923                        char = " "
- 924                    chars += char
- 925                    prev_space = is_space
- 926                    skip = False
- 927                else:
- 928                    skip = True
- 929            else:
- 930                chars = " "
- 931
- 932        word = None if not single_token and chars[-1] not in self.WHITE_SPACE else word
- 933
- 934        if not word:
- 935            if self._char in self.SINGLE_TOKENS:
- 936                self._add(self.SINGLE_TOKENS[self._char], text=self._char)
- 937                return
- 938            self._scan_var()
- 939            return
- 940
- 941        if self._scan_string(word):
- 942            return
- 943        if self._scan_formatted_string(word):
- 944            return
- 945        if self._scan_comment(word):
+ 862    @property
+ 863    def _text(self) -> str:
+ 864        return self.sql[self._start : self._current]
+ 865
+ 866    def _add(self, token_type: TokenType, text: t.Optional[str] = None) -> None:
+ 867        self._prev_token_line = self._line
+ 868        self._prev_token_comments = self._comments
+ 869        self._prev_token_type = token_type
+ 870        self.tokens.append(
+ 871            Token(
+ 872                token_type,
+ 873                self._text if text is None else text,
+ 874                self._line,
+ 875                self._col,
+ 876                self._current,
+ 877                self._comments,
+ 878            )
+ 879        )
+ 880        self._comments = []
+ 881
+ 882        # If we have either a semicolon or a begin token before the command's token, we'll parse
+ 883        # whatever follows the command's token as a string
+ 884        if (
+ 885            token_type in self.COMMANDS
+ 886            and self._peek != ";"
+ 887            and (len(self.tokens) == 1 or self.tokens[-2].token_type in self.COMMAND_PREFIX_TOKENS)
+ 888        ):
+ 889            start = self._current
+ 890            tokens = len(self.tokens)
+ 891            self._scan(lambda: self._peek == ";")
+ 892            self.tokens = self.tokens[:tokens]
+ 893            text = self.sql[start : self._current].strip()
+ 894            if text:
+ 895                self._add(TokenType.STRING, text)
+ 896
+ 897    def _scan_keywords(self) -> None:
+ 898        size = 0
+ 899        word = None
+ 900        chars = self._text
+ 901        char = chars
+ 902        prev_space = False
+ 903        skip = False
+ 904        trie = self.KEYWORD_TRIE
+ 905        single_token = char in self.SINGLE_TOKENS
+ 906
+ 907        while chars:
+ 908            if skip:
+ 909                result = 1
+ 910            else:
+ 911                result, trie = in_trie(trie, char.upper())
+ 912
+ 913            if result == 0:
+ 914                break
+ 915            if result == 2:
+ 916                word = chars
+ 917            size += 1
+ 918            end = self._current - 1 + size
+ 919
+ 920            if end < self.size:
+ 921                char = self.sql[end]
+ 922                single_token = single_token or char in self.SINGLE_TOKENS
+ 923                is_space = char in self.WHITE_SPACE
+ 924
+ 925                if not is_space or not prev_space:
+ 926                    if is_space:
+ 927                        char = " "
+ 928                    chars += char
+ 929                    prev_space = is_space
+ 930                    skip = False
+ 931                else:
+ 932                    skip = True
+ 933            else:
+ 934                chars = " "
+ 935
+ 936        word = None if not single_token and chars[-1] not in self.WHITE_SPACE else word
+ 937
+ 938        if not word:
+ 939            if self._char in self.SINGLE_TOKENS:
+ 940                self._add(self.SINGLE_TOKENS[self._char], text=self._char)
+ 941                return
+ 942            self._scan_var()
+ 943            return
+ 944
+ 945        if self._scan_string(word):
  946            return
- 947
- 948        self._advance(size - 1)
- 949        word = word.upper()
- 950        self._add(self.KEYWORDS[word], text=word)
+ 947        if self._scan_formatted_string(word):
+ 948            return
+ 949        if self._scan_comment(word):
+ 950            return
  951
- 952    def _scan_comment(self, comment_start: str) -> bool:
- 953        if comment_start not in self._COMMENTS:
- 954            return False
+ 952        self._advance(size - 1)
+ 953        word = word.upper()
+ 954        self._add(self.KEYWORDS[word], text=word)
  955
- 956        comment_start_line = self._line
- 957        comment_start_size = len(comment_start)
- 958        comment_end = self._COMMENTS[comment_start]
+ 956    def _scan_comment(self, comment_start: str) -> bool:
+ 957        if comment_start not in self._COMMENTS:
+ 958            return False
  959
- 960        if comment_end:
- 961            # Skip the comment's start delimiter
- 962            self._advance(comment_start_size)
+ 960        comment_start_line = self._line
+ 961        comment_start_size = len(comment_start)
+ 962        comment_end = self._COMMENTS[comment_start]
  963
- 964            comment_end_size = len(comment_end)
- 965            while not self._end and self._chars(comment_end_size) != comment_end:
- 966                self._advance()
+ 964        if comment_end:
+ 965            # Skip the comment's start delimiter
+ 966            self._advance(comment_start_size)
  967
- 968            self._comments.append(self._text[comment_start_size : -comment_end_size + 1])
- 969            self._advance(comment_end_size - 1)
- 970        else:
- 971            while not self._end and not self.WHITE_SPACE.get(self._peek) is TokenType.BREAK:
- 972                self._advance()
- 973            self._comments.append(self._text[comment_start_size:])
- 974
- 975        # Leading comment is attached to the succeeding token, whilst trailing comment to the preceding.
- 976        # Multiple consecutive comments are preserved by appending them to the current comments list.
- 977        if comment_start_line == self._prev_token_line:
- 978            self.tokens[-1].comments.extend(self._comments)
- 979            self._comments = []
- 980            self._prev_token_line = self._line
- 981
- 982        return True
- 983
- 984    def _scan_number(self) -> None:
- 985        if self._char == "0":
- 986            peek = self._peek.upper()
- 987            if peek == "B":
- 988                return self._scan_bits()
- 989            elif peek == "X":
- 990                return self._scan_hex()
- 991
- 992        decimal = False
- 993        scientific = 0
- 994
- 995        while True:
- 996            if self._peek.isdigit():
- 997                self._advance()
- 998            elif self._peek == "." and not decimal:
- 999                decimal = True
-1000                self._advance()
-1001            elif self._peek in ("-", "+") and scientific == 1:
-1002                scientific += 1
-1003                self._advance()
-1004            elif self._peek.upper() == "E" and not scientific:
-1005                scientific += 1
-1006                self._advance()
-1007            elif self._peek.isidentifier():
-1008                number_text = self._text
-1009                literal = ""
-1010
-1011                while self._peek.strip() and self._peek not in self.SINGLE_TOKENS:
-1012                    literal += self._peek.upper()
-1013                    self._advance()
+ 968            comment_end_size = len(comment_end)
+ 969            while not self._end and self._chars(comment_end_size) != comment_end:
+ 970                self._advance()
+ 971
+ 972            self._comments.append(self._text[comment_start_size : -comment_end_size + 1])
+ 973            self._advance(comment_end_size - 1)
+ 974        else:
+ 975            while not self._end and not self.WHITE_SPACE.get(self._peek) is TokenType.BREAK:
+ 976                self._advance()
+ 977            self._comments.append(self._text[comment_start_size:])
+ 978
+ 979        # Leading comment is attached to the succeeding token, whilst trailing comment to the preceding.
+ 980        # Multiple consecutive comments are preserved by appending them to the current comments list.
+ 981        if comment_start_line == self._prev_token_line:
+ 982            self.tokens[-1].comments.extend(self._comments)
+ 983            self._comments = []
+ 984            self._prev_token_line = self._line
+ 985
+ 986        return True
+ 987
+ 988    def _scan_number(self) -> None:
+ 989        if self._char == "0":
+ 990            peek = self._peek.upper()
+ 991            if peek == "B":
+ 992                return self._scan_bits()
+ 993            elif peek == "X":
+ 994                return self._scan_hex()
+ 995
+ 996        decimal = False
+ 997        scientific = 0
+ 998
+ 999        while True:
+1000            if self._peek.isdigit():
+1001                self._advance()
+1002            elif self._peek == "." and not decimal:
+1003                decimal = True
+1004                self._advance()
+1005            elif self._peek in ("-", "+") and scientific == 1:
+1006                scientific += 1
+1007                self._advance()
+1008            elif self._peek.upper() == "E" and not scientific:
+1009                scientific += 1
+1010                self._advance()
+1011            elif self._peek.isidentifier():
+1012                number_text = self._text
+1013                literal = ""
 1014
-1015                token_type = self.KEYWORDS.get(self.NUMERIC_LITERALS.get(literal))
-1016
-1017                if token_type:
-1018                    self._add(TokenType.NUMBER, number_text)
-1019                    self._add(TokenType.DCOLON, "::")
-1020                    return self._add(token_type, literal)
-1021                elif self.IDENTIFIER_CAN_START_WITH_DIGIT:
-1022                    return self._add(TokenType.VAR)
-1023
-1024                self._add(TokenType.NUMBER, number_text)
-1025                return self._advance(-len(literal))
-1026            else:
-1027                return self._add(TokenType.NUMBER)
-1028
-1029    def _scan_bits(self) -> None:
-1030        self._advance()
-1031        value = self._extract_value()
-1032        try:
-1033            self._add(TokenType.BIT_STRING, f"{int(value, 2)}")
-1034        except ValueError:
-1035            self._add(TokenType.IDENTIFIER)
-1036
-1037    def _scan_hex(self) -> None:
-1038        self._advance()
-1039        value = self._extract_value()
-1040        try:
-1041            self._add(TokenType.HEX_STRING, f"{int(value, 16)}")
-1042        except ValueError:
-1043            self._add(TokenType.IDENTIFIER)
-1044
-1045    def _extract_value(self) -> str:
-1046        while True:
-1047            char = self._peek.strip()
-1048            if char and char not in self.SINGLE_TOKENS:
-1049                self._advance()
-1050            else:
-1051                break
-1052
-1053        return self._text
-1054
-1055    def _scan_string(self, quote: str) -> bool:
-1056        quote_end = self._QUOTES.get(quote)
-1057        if quote_end is None:
-1058            return False
-1059
-1060        self._advance(len(quote))
-1061        text = self._extract_string(quote_end)
-1062        text = text.encode(self.ENCODE).decode(self.ENCODE) if self.ENCODE else text
-1063        self._add(TokenType.NATIONAL if quote[0].upper() == "N" else TokenType.STRING, text)
-1064        return True
-1065
-1066    # X'1234, b'0110', E'\\\\\' etc.
-1067    def _scan_formatted_string(self, string_start: str) -> bool:
-1068        if string_start in self._HEX_STRINGS:
-1069            delimiters = self._HEX_STRINGS
-1070            token_type = TokenType.HEX_STRING
-1071            base = 16
-1072        elif string_start in self._BIT_STRINGS:
-1073            delimiters = self._BIT_STRINGS
-1074            token_type = TokenType.BIT_STRING
-1075            base = 2
-1076        elif string_start in self._BYTE_STRINGS:
-1077            delimiters = self._BYTE_STRINGS
-1078            token_type = TokenType.BYTE_STRING
-1079            base = None
-1080        else:
-1081            return False
-1082
-1083        self._advance(len(string_start))
-1084        string_end = delimiters[string_start]
-1085        text = self._extract_string(string_end)
+1015                while self._peek.strip() and self._peek not in self.SINGLE_TOKENS:
+1016                    literal += self._peek.upper()
+1017                    self._advance()
+1018
+1019                token_type = self.KEYWORDS.get(self.NUMERIC_LITERALS.get(literal))
+1020
+1021                if token_type:
+1022                    self._add(TokenType.NUMBER, number_text)
+1023                    self._add(TokenType.DCOLON, "::")
+1024                    return self._add(token_type, literal)
+1025                elif self.IDENTIFIER_CAN_START_WITH_DIGIT:
+1026                    return self._add(TokenType.VAR)
+1027
+1028                self._add(TokenType.NUMBER, number_text)
+1029                return self._advance(-len(literal))
+1030            else:
+1031                return self._add(TokenType.NUMBER)
+1032
+1033    def _scan_bits(self) -> None:
+1034        self._advance()
+1035        value = self._extract_value()
+1036        try:
+1037            self._add(TokenType.BIT_STRING, f"{int(value, 2)}")
+1038        except ValueError:
+1039            self._add(TokenType.IDENTIFIER)
+1040
+1041    def _scan_hex(self) -> None:
+1042        self._advance()
+1043        value = self._extract_value()
+1044        try:
+1045            self._add(TokenType.HEX_STRING, f"{int(value, 16)}")
+1046        except ValueError:
+1047            self._add(TokenType.IDENTIFIER)
+1048
+1049    def _extract_value(self) -> str:
+1050        while True:
+1051            char = self._peek.strip()
+1052            if char and char not in self.SINGLE_TOKENS:
+1053                self._advance()
+1054            else:
+1055                break
+1056
+1057        return self._text
+1058
+1059    def _scan_string(self, quote: str) -> bool:
+1060        quote_end = self._QUOTES.get(quote)
+1061        if quote_end is None:
+1062            return False
+1063
+1064        self._advance(len(quote))
+1065        text = self._extract_string(quote_end)
+1066        text = text.encode(self.ENCODE).decode(self.ENCODE) if self.ENCODE else text
+1067        self._add(TokenType.NATIONAL if quote[0].upper() == "N" else TokenType.STRING, text)
+1068        return True
+1069
+1070    # X'1234, b'0110', E'\\\\\' etc.
+1071    def _scan_formatted_string(self, string_start: str) -> bool:
+1072        if string_start in self._HEX_STRINGS:
+1073            delimiters = self._HEX_STRINGS
+1074            token_type = TokenType.HEX_STRING
+1075            base = 16
+1076        elif string_start in self._BIT_STRINGS:
+1077            delimiters = self._BIT_STRINGS
+1078            token_type = TokenType.BIT_STRING
+1079            base = 2
+1080        elif string_start in self._BYTE_STRINGS:
+1081            delimiters = self._BYTE_STRINGS
+1082            token_type = TokenType.BYTE_STRING
+1083            base = None
+1084        else:
+1085            return False
 1086
-1087        if base is None:
-1088            self._add(token_type, text)
-1089        else:
-1090            try:
-1091                self._add(token_type, f"{int(text, base)}")
-1092            except:
-1093                raise RuntimeError(
-1094                    f"Numeric string contains invalid characters from {self._line}:{self._start}"
-1095                )
-1096
-1097        return True
-1098
-1099    def _scan_identifier(self, identifier_end: str) -> None:
-1100        text = ""
-1101        identifier_end_is_escape = identifier_end in self._IDENTIFIER_ESCAPES
+1087        self._advance(len(string_start))
+1088        string_end = delimiters[string_start]
+1089        text = self._extract_string(string_end)
+1090
+1091        if base is None:
+1092            self._add(token_type, text)
+1093        else:
+1094            try:
+1095                self._add(token_type, f"{int(text, base)}")
+1096            except:
+1097                raise RuntimeError(
+1098                    f"Numeric string contains invalid characters from {self._line}:{self._start}"
+1099                )
+1100
+1101        return True
 1102
-1103        while True:
-1104            if self._end:
-1105                raise RuntimeError(f"Missing {identifier_end} from {self._line}:{self._start}")
+1103    def _scan_identifier(self, identifier_end: str) -> None:
+1104        text = ""
+1105        identifier_end_is_escape = identifier_end in self._IDENTIFIER_ESCAPES
 1106
-1107            self._advance()
-1108            if self._char == identifier_end:
-1109                if identifier_end_is_escape and self._peek == identifier_end:
-1110                    text += identifier_end
-1111                    self._advance()
-1112                    continue
-1113
-1114                break
-1115
-1116            text += self._char
+1107        while True:
+1108            if self._end:
+1109                raise RuntimeError(f"Missing {identifier_end} from {self._line}:{self._start}")
+1110
+1111            self._advance()
+1112            if self._char == identifier_end:
+1113                if identifier_end_is_escape and self._peek == identifier_end:
+1114                    text += identifier_end
+1115                    self._advance()
+1116                    continue
 1117
-1118        self._add(TokenType.IDENTIFIER, text)
+1118                break
 1119
-1120    def _scan_var(self) -> None:
-1121        while True:
-1122            char = self._peek.strip()
-1123            if char and (char in self.VAR_SINGLE_TOKENS or char not in self.SINGLE_TOKENS):
-1124                self._advance()
-1125            else:
-1126                break
-1127        self._add(
-1128            TokenType.VAR
-1129            if self._prev_token_type == TokenType.PARAMETER
-1130            else self.KEYWORDS.get(self._text.upper(), TokenType.VAR)
-1131        )
-1132
-1133    def _extract_string(self, delimiter: str) -> str:
-1134        text = ""
-1135        delim_size = len(delimiter)
+1120            text += self._char
+1121
+1122        self._add(TokenType.IDENTIFIER, text)
+1123
+1124    def _scan_var(self) -> None:
+1125        while True:
+1126            char = self._peek.strip()
+1127            if char and (char in self.VAR_SINGLE_TOKENS or char not in self.SINGLE_TOKENS):
+1128                self._advance()
+1129            else:
+1130                break
+1131        self._add(
+1132            TokenType.VAR
+1133            if self._prev_token_type == TokenType.PARAMETER
+1134            else self.KEYWORDS.get(self._text.upper(), TokenType.VAR)
+1135        )
 1136
-1137        while True:
-1138            if self._char in self._STRING_ESCAPES and (
-1139                self._peek == delimiter or self._peek in self._STRING_ESCAPES
-1140            ):
-1141                if self._peek == delimiter:
-1142                    text += self._peek
-1143                else:
-1144                    text += self._char + self._peek
-1145
-1146                if self._current + 1 < self.size:
-1147                    self._advance(2)
-1148                else:
-1149                    raise RuntimeError(f"Missing {delimiter} from {self._line}:{self._current}")
-1150            else:
-1151                if self._chars(delim_size) == delimiter:
-1152                    if delim_size > 1:
-1153                        self._advance(delim_size - 1)
-1154                    break
-1155
-1156                if self._end:
-1157                    raise RuntimeError(f"Missing {delimiter} from {self._line}:{self._start}")
-1158                text += self._char
-1159                self._advance()
-1160
-1161        return text
+1137    def _extract_string(self, delimiter: str) -> str:
+1138        text = ""
+1139        delim_size = len(delimiter)
+1140
+1141        while True:
+1142            if self._char in self._STRING_ESCAPES and (
+1143                self._peek == delimiter or self._peek in self._STRING_ESCAPES
+1144            ):
+1145                if self._peek == delimiter:
+1146                    text += self._peek
+1147                else:
+1148                    text += self._char + self._peek
+1149
+1150                if self._current + 1 < self.size:
+1151                    self._advance(2)
+1152                else:
+1153                    raise RuntimeError(f"Missing {delimiter} from {self._line}:{self._current}")
+1154            else:
+1155                if self._chars(delim_size) == delimiter:
+1156                    if delim_size > 1:
+1157                        self._advance(delim_size - 1)
+1158                    break
+1159
+1160                if self._end:
+1161                    raise RuntimeError(f"Missing {delimiter} from {self._line}:{self._start}")
+1162                text += self._char
+1163                self._advance()
+1164
+1165        return text
 
    
 
 
@@ -7050,22 +7088,22 @@
    - 
    781    def reset(self) -> None:
-782        self.sql = ""
-783        self.size = 0
-784        self.tokens: t.List[Token] = []
-785        self._start = 0
-786        self._current = 0
-787        self._line = 1
-788        self._col = 1
-789        self._comments: t.List[str] = []
-790
-791        self._char = ""
-792        self._end = False
-793        self._peek = ""
-794        self._prev_token_line = -1
-795        self._prev_token_comments: t.List[str] = []
-796        self._prev_token_type: t.Optional[TokenType] = None
+            
    785    def reset(self) -> None:
+786        self.sql = ""
+787        self.size = 0
+788        self.tokens: t.List[Token] = []
+789        self._start = 0
+790        self._current = 0
+791        self._line = 1
+792        self._col = 1
+793        self._comments: t.List[str] = []
+794
+795        self._char = ""
+796        self._end = False
+797        self._peek = ""
+798        self._prev_token_line = -1
+799        self._prev_token_comments: t.List[str] = []
+800        self._prev_token_type: t.Optional[TokenType] = None
 
    
 
 
@@ -7083,22 +7121,22 @@
    - 
    798    def tokenize(self, sql: str) -> t.List[Token]:
-799        """Returns a list of tokens corresponding to the SQL string `sql`."""
-800        self.reset()
-801        self.sql = sql
-802        self.size = len(sql)
-803        try:
-804            self._scan()
-805        except Exception as e:
-806            start = self._current - 50
-807            end = self._current + 50
-808            start = start if start > 0 else 0
-809            end = end if end < self.size else self.size - 1
-810            context = self.sql[start:end]
-811            raise ValueError(f"Error tokenizing '{context}'") from e
-812
-813        return self.tokens
+            
    802    def tokenize(self, sql: str) -> t.List[Token]:
+803        """Returns a list of tokens corresponding to the SQL string `sql`."""
+804        self.reset()
+805        self.sql = sql
+806        self.size = len(sql)
+807        try:
+808            self._scan()
+809        except Exception as e:
+810            start = self._current - 50
+811            end = self._current + 50
+812            start = start if start > 0 else 0
+813            end = end if end < self.size else self.size - 1
+814            context = self.sql[start:end]
+815            raise ValueError(f"Error tokenizing '{context}'") from e
+816
+817        return self.tokens
 
    
 
 
diff --git a/docs/sqlglot/transforms.html b/docs/sqlglot/transforms.html
index 9694adf..a077ed0 100644
--- a/docs/sqlglot/transforms.html
+++ b/docs/sqlglot/transforms.html
@@ -200,154 +200,135 @@
     121    Some dialects only allow the precision for parameterized types to be defined in the DDL and not in
 122    other expressions. This transforms removes the precision from parameterized types in expressions.
 123    """
-124    return expression.transform(
-125        lambda node: exp.DataType(
-126            **{
-127                **node.args,
-128                "expressions": [
-129                    node_expression
-130                    for node_expression in node.expressions
-131                    if isinstance(node_expression, exp.DataType)
-132                ],
-133            }
-134        )
-135        if isinstance(node, exp.DataType)
-136        else node,
-137    )
+124    for node in expression.find_all(exp.DataType):
+125        node.set("expressions", [e for e in node.expressions if isinstance(e, exp.DataType)])
+126    return expression
+127
+128
+129def unnest_to_explode(expression: exp.Expression) -> exp.Expression:
+130    """Convert cross join unnest into lateral view explode (used in presto -> hive)."""
+131    if isinstance(expression, exp.Select):
+132        for join in expression.args.get("joins") or []:
+133            unnest = join.this
+134
+135            if isinstance(unnest, exp.Unnest):
+136                alias = unnest.args.get("alias")
+137                udtf = exp.Posexplode if unnest.args.get("ordinality") else exp.Explode
 138
-139
-140def unnest_to_explode(expression: exp.Expression) -> exp.Expression:
-141    """Convert cross join unnest into lateral view explode (used in presto -> hive)."""
-142    if isinstance(expression, exp.Select):
-143        for join in expression.args.get("joins") or []:
-144            unnest = join.this
-145
-146            if isinstance(unnest, exp.Unnest):
-147                alias = unnest.args.get("alias")
-148                udtf = exp.Posexplode if unnest.args.get("ordinality") else exp.Explode
-149
-150                expression.args["joins"].remove(join)
+139                expression.args["joins"].remove(join)
+140
+141                for e, column in zip(unnest.expressions, alias.columns if alias else []):
+142                    expression.append(
+143                        "laterals",
+144                        exp.Lateral(
+145                            this=udtf(this=e),
+146                            view=True,
+147                            alias=exp.TableAlias(this=alias.this, columns=[column]),  # type: ignore
+148                        ),
+149                    )
+150    return expression
 151
-152                for e, column in zip(unnest.expressions, alias.columns if alias else []):
-153                    expression.append(
-154                        "laterals",
-155                        exp.Lateral(
-156                            this=udtf(this=e),
-157                            view=True,
-158                            alias=exp.TableAlias(this=alias.this, columns=[column]),  # type: ignore
-159                        ),
-160                    )
-161    return expression
-162
+152
+153def explode_to_unnest(expression: exp.Expression) -> exp.Expression:
+154    """Convert explode/posexplode into unnest (used in hive -> presto)."""
+155    if isinstance(expression, exp.Select):
+156        from sqlglot.optimizer.scope import build_scope
+157
+158        taken_select_names = set(expression.named_selects)
+159        taken_source_names = set(build_scope(expression).selected_sources)
+160
+161        for select in expression.selects:
+162            to_replace = select
 163
-164def explode_to_unnest(expression: exp.Expression) -> exp.Expression:
-165    """Convert explode/posexplode into unnest (used in hive -> presto)."""
-166    if isinstance(expression, exp.Select):
-167        from sqlglot.optimizer.scope import build_scope
-168
-169        taken_select_names = set(expression.named_selects)
-170        taken_source_names = set(build_scope(expression).selected_sources)
-171
-172        for select in expression.selects:
-173            to_replace = select
+164            pos_alias = ""
+165            explode_alias = ""
+166
+167            if isinstance(select, exp.Alias):
+168                explode_alias = select.alias
+169                select = select.this
+170            elif isinstance(select, exp.Aliases):
+171                pos_alias = select.aliases[0].name
+172                explode_alias = select.aliases[1].name
+173                select = select.this
 174
-175            pos_alias = ""
-176            explode_alias = ""
+175            if isinstance(select, (exp.Explode, exp.Posexplode)):
+176                is_posexplode = isinstance(select, exp.Posexplode)
 177
-178            if isinstance(select, exp.Alias):
-179                explode_alias = select.alias
-180                select = select.this
-181            elif isinstance(select, exp.Aliases):
-182                pos_alias = select.aliases[0].name
-183                explode_alias = select.aliases[1].name
-184                select = select.this
-185
-186            if isinstance(select, (exp.Explode, exp.Posexplode)):
-187                is_posexplode = isinstance(select, exp.Posexplode)
-188
-189                explode_arg = select.this
-190                unnest = exp.Unnest(expressions=[explode_arg.copy()], ordinality=is_posexplode)
+178                explode_arg = select.this
+179                unnest = exp.Unnest(expressions=[explode_arg.copy()], ordinality=is_posexplode)
+180
+181                # This ensures that we won't use [POS]EXPLODE's argument as a new selection
+182                if isinstance(explode_arg, exp.Column):
+183                    taken_select_names.add(explode_arg.output_name)
+184
+185                unnest_source_alias = find_new_name(taken_source_names, "_u")
+186                taken_source_names.add(unnest_source_alias)
+187
+188                if not explode_alias:
+189                    explode_alias = find_new_name(taken_select_names, "col")
+190                    taken_select_names.add(explode_alias)
 191
-192                # This ensures that we won't use [POS]EXPLODE's argument as a new selection
-193                if isinstance(explode_arg, exp.Column):
-194                    taken_select_names.add(explode_arg.output_name)
+192                    if is_posexplode:
+193                        pos_alias = find_new_name(taken_select_names, "pos")
+194                        taken_select_names.add(pos_alias)
 195
-196                unnest_source_alias = find_new_name(taken_source_names, "_u")
-197                taken_source_names.add(unnest_source_alias)
-198
-199                if not explode_alias:
-200                    explode_alias = find_new_name(taken_select_names, "col")
-201                    taken_select_names.add(explode_alias)
-202
-203                    if is_posexplode:
-204                        pos_alias = find_new_name(taken_select_names, "pos")
-205                        taken_select_names.add(pos_alias)
-206
-207                if is_posexplode:
-208                    column_names = [explode_alias, pos_alias]
-209                    to_replace.pop()
-210                    expression.select(pos_alias, explode_alias, copy=False)
-211                else:
-212                    column_names = [explode_alias]
-213                    to_replace.replace(exp.column(explode_alias))
-214
-215                unnest = exp.alias_(unnest, unnest_source_alias, table=column_names)
-216
-217                if not expression.args.get("from"):
-218                    expression.from_(unnest, copy=False)
-219                else:
-220                    expression.join(unnest, join_type="CROSS", copy=False)
+196                if is_posexplode:
+197                    column_names = [explode_alias, pos_alias]
+198                    to_replace.pop()
+199                    expression.select(pos_alias, explode_alias, copy=False)
+200                else:
+201                    column_names = [explode_alias]
+202                    to_replace.replace(exp.column(explode_alias))
+203
+204                unnest = exp.alias_(unnest, unnest_source_alias, table=column_names)
+205
+206                if not expression.args.get("from"):
+207                    expression.from_(unnest, copy=False)
+208                else:
+209                    expression.join(unnest, join_type="CROSS", copy=False)
+210
+211    return expression
+212
+213
+214def remove_target_from_merge(expression: exp.Expression) -> exp.Expression:
+215    """Remove table refs from columns in when statements."""
+216    if isinstance(expression, exp.Merge):
+217        alias = expression.this.args.get("alias")
+218        targets = {expression.this.this}
+219        if alias:
+220            targets.add(alias.this)
 221
-222    return expression
-223
-224
-225def remove_target_from_merge(expression: exp.Expression) -> exp.Expression:
-226    """Remove table refs from columns in when statements."""
-227    if isinstance(expression, exp.Merge):
-228        alias = expression.this.args.get("alias")
-229        targets = {expression.this.this}
-230        if alias:
-231            targets.add(alias.this)
-232
-233        for when in expression.expressions:
-234            when.transform(
-235                lambda node: exp.column(node.name)
-236                if isinstance(node, exp.Column) and node.args.get("table") in targets
-237                else node,
-238                copy=False,
-239            )
-240    return expression
+222        for when in expression.expressions:
+223            when.transform(
+224                lambda node: exp.column(node.name)
+225                if isinstance(node, exp.Column) and node.args.get("table") in targets
+226                else node,
+227                copy=False,
+228            )
+229    return expression
+230
+231
+232def preprocess(
+233    transforms: t.List[t.Callable[[exp.Expression], exp.Expression]],
+234) -> t.Callable[[Generator, exp.Expression], str]:
+235    """
+236    Creates a new transform by chaining a sequence of transformations and converts the resulting
+237    expression to SQL, using an appropriate `Generator.TRANSFORMS` function.
+238
+239    Args:
+240        transforms: sequence of transform functions. These will be called in order.
 241
-242
-243def preprocess(
-244    transforms: t.List[t.Callable[[exp.Expression], exp.Expression]],
-245) -> t.Callable[[Generator, exp.Expression], str]:
-246    """
-247    Creates a new transform by chaining a sequence of transformations and converts the resulting
-248    expression to SQL, using an appropriate `Generator.TRANSFORMS` function.
-249
-250    Args:
-251        transforms: sequence of transform functions. These will be called in order.
-252
-253    Returns:
-254        Function that can be used as a generator transform.
-255    """
-256
-257    def _to_sql(self, expression: exp.Expression) -> str:
-258        expression = transforms[0](expression.copy())
-259        for t in transforms[1:]:
-260            expression = t(expression)
-261        return getattr(self, expression.key + "_sql")(expression)
-262
-263    return _to_sql
-264
-265
-266UNALIAS_GROUP = {exp.Group: preprocess([unalias_group])}
-267ELIMINATE_DISTINCT_ON = {exp.Select: preprocess([eliminate_distinct_on])}
-268ELIMINATE_QUALIFY = {exp.Select: preprocess([eliminate_qualify])}
-269REMOVE_PRECISION_PARAMETERIZED_TYPES = {
-270    exp.Cast: preprocess([remove_precision_parameterized_types])
-271}
+242    Returns:
+243        Function that can be used as a generator transform.
+244    """
+245
+246    def _to_sql(self, expression: exp.Expression) -> str:
+247        expression = transforms[0](expression.copy())
+248        for t in transforms[1:]:
+249            expression = t(expression)
+250        return getattr(self, expression.key + "_sql")(expression)
+251
+252    return _to_sql
    @@ -571,20 +552,9 @@ otherwise we won't be able to refer to it in the outer query's WHERE clause.

    122 Some dialects only allow the precision for parameterized types to be defined in the DDL and not in 123 other expressions. This transforms removes the precision from parameterized types in expressions. 124 """ -125 return expression.transform( -126 lambda node: exp.DataType( -127 **{ -128 **node.args, -129 "expressions": [ -130 node_expression -131 for node_expression in node.expressions -132 if isinstance(node_expression, exp.DataType) -133 ], -134 } -135 ) -136 if isinstance(node, exp.DataType) -137 else node, -138 ) +125 for node in expression.find_all(exp.DataType): +126 node.set("expressions", [e for e in node.expressions if isinstance(e, exp.DataType)]) +127 return expression
    @@ -605,28 +575,28 @@ other expressions. This transforms removes the precision from parameterized type
    - 
    141def unnest_to_explode(expression: exp.Expression) -> exp.Expression:
-142    """Convert cross join unnest into lateral view explode (used in presto -> hive)."""
-143    if isinstance(expression, exp.Select):
-144        for join in expression.args.get("joins") or []:
-145            unnest = join.this
-146
-147            if isinstance(unnest, exp.Unnest):
-148                alias = unnest.args.get("alias")
-149                udtf = exp.Posexplode if unnest.args.get("ordinality") else exp.Explode
-150
-151                expression.args["joins"].remove(join)
-152
-153                for e, column in zip(unnest.expressions, alias.columns if alias else []):
-154                    expression.append(
-155                        "laterals",
-156                        exp.Lateral(
-157                            this=udtf(this=e),
-158                            view=True,
-159                            alias=exp.TableAlias(this=alias.this, columns=[column]),  # type: ignore
-160                        ),
-161                    )
-162    return expression
+            
    130def unnest_to_explode(expression: exp.Expression) -> exp.Expression:
+131    """Convert cross join unnest into lateral view explode (used in presto -> hive)."""
+132    if isinstance(expression, exp.Select):
+133        for join in expression.args.get("joins") or []:
+134            unnest = join.this
+135
+136            if isinstance(unnest, exp.Unnest):
+137                alias = unnest.args.get("alias")
+138                udtf = exp.Posexplode if unnest.args.get("ordinality") else exp.Explode
+139
+140                expression.args["joins"].remove(join)
+141
+142                for e, column in zip(unnest.expressions, alias.columns if alias else []):
+143                    expression.append(
+144                        "laterals",
+145                        exp.Lateral(
+146                            this=udtf(this=e),
+147                            view=True,
+148                            alias=exp.TableAlias(this=alias.this, columns=[column]),  # type: ignore
+149                        ),
+150                    )
+151    return expression
 
    
 
 
@@ -646,65 +616,65 @@ other expressions. This transforms removes the precision from parameterized type
    - 
    165def explode_to_unnest(expression: exp.Expression) -> exp.Expression:
-166    """Convert explode/posexplode into unnest (used in hive -> presto)."""
-167    if isinstance(expression, exp.Select):
-168        from sqlglot.optimizer.scope import build_scope
-169
-170        taken_select_names = set(expression.named_selects)
-171        taken_source_names = set(build_scope(expression).selected_sources)
-172
-173        for select in expression.selects:
-174            to_replace = select
+            
    154def explode_to_unnest(expression: exp.Expression) -> exp.Expression:
+155    """Convert explode/posexplode into unnest (used in hive -> presto)."""
+156    if isinstance(expression, exp.Select):
+157        from sqlglot.optimizer.scope import build_scope
+158
+159        taken_select_names = set(expression.named_selects)
+160        taken_source_names = set(build_scope(expression).selected_sources)
+161
+162        for select in expression.selects:
+163            to_replace = select
+164
+165            pos_alias = ""
+166            explode_alias = ""
+167
+168            if isinstance(select, exp.Alias):
+169                explode_alias = select.alias
+170                select = select.this
+171            elif isinstance(select, exp.Aliases):
+172                pos_alias = select.aliases[0].name
+173                explode_alias = select.aliases[1].name
+174                select = select.this
 175
-176            pos_alias = ""
-177            explode_alias = ""
+176            if isinstance(select, (exp.Explode, exp.Posexplode)):
+177                is_posexplode = isinstance(select, exp.Posexplode)
 178
-179            if isinstance(select, exp.Alias):
-180                explode_alias = select.alias
-181                select = select.this
-182            elif isinstance(select, exp.Aliases):
-183                pos_alias = select.aliases[0].name
-184                explode_alias = select.aliases[1].name
-185                select = select.this
-186
-187            if isinstance(select, (exp.Explode, exp.Posexplode)):
-188                is_posexplode = isinstance(select, exp.Posexplode)
-189
-190                explode_arg = select.this
-191                unnest = exp.Unnest(expressions=[explode_arg.copy()], ordinality=is_posexplode)
+179                explode_arg = select.this
+180                unnest = exp.Unnest(expressions=[explode_arg.copy()], ordinality=is_posexplode)
+181
+182                # This ensures that we won't use [POS]EXPLODE's argument as a new selection
+183                if isinstance(explode_arg, exp.Column):
+184                    taken_select_names.add(explode_arg.output_name)
+185
+186                unnest_source_alias = find_new_name(taken_source_names, "_u")
+187                taken_source_names.add(unnest_source_alias)
+188
+189                if not explode_alias:
+190                    explode_alias = find_new_name(taken_select_names, "col")
+191                    taken_select_names.add(explode_alias)
 192
-193                # This ensures that we won't use [POS]EXPLODE's argument as a new selection
-194                if isinstance(explode_arg, exp.Column):
-195                    taken_select_names.add(explode_arg.output_name)
+193                    if is_posexplode:
+194                        pos_alias = find_new_name(taken_select_names, "pos")
+195                        taken_select_names.add(pos_alias)
 196
-197                unnest_source_alias = find_new_name(taken_source_names, "_u")
-198                taken_source_names.add(unnest_source_alias)
-199
-200                if not explode_alias:
-201                    explode_alias = find_new_name(taken_select_names, "col")
-202                    taken_select_names.add(explode_alias)
-203
-204                    if is_posexplode:
-205                        pos_alias = find_new_name(taken_select_names, "pos")
-206                        taken_select_names.add(pos_alias)
-207
-208                if is_posexplode:
-209                    column_names = [explode_alias, pos_alias]
-210                    to_replace.pop()
-211                    expression.select(pos_alias, explode_alias, copy=False)
-212                else:
-213                    column_names = [explode_alias]
-214                    to_replace.replace(exp.column(explode_alias))
-215
-216                unnest = exp.alias_(unnest, unnest_source_alias, table=column_names)
-217
-218                if not expression.args.get("from"):
-219                    expression.from_(unnest, copy=False)
-220                else:
-221                    expression.join(unnest, join_type="CROSS", copy=False)
-222
-223    return expression
+197                if is_posexplode:
+198                    column_names = [explode_alias, pos_alias]
+199                    to_replace.pop()
+200                    expression.select(pos_alias, explode_alias, copy=False)
+201                else:
+202                    column_names = [explode_alias]
+203                    to_replace.replace(exp.column(explode_alias))
+204
+205                unnest = exp.alias_(unnest, unnest_source_alias, table=column_names)
+206
+207                if not expression.args.get("from"):
+208                    expression.from_(unnest, copy=False)
+209                else:
+210                    expression.join(unnest, join_type="CROSS", copy=False)
+211
+212    return expression
 
    
 
 
@@ -724,22 +694,22 @@ other expressions. This transforms removes the precision from parameterized type
    - 
    226def remove_target_from_merge(expression: exp.Expression) -> exp.Expression:
-227    """Remove table refs from columns in when statements."""
-228    if isinstance(expression, exp.Merge):
-229        alias = expression.this.args.get("alias")
-230        targets = {expression.this.this}
-231        if alias:
-232            targets.add(alias.this)
-233
-234        for when in expression.expressions:
-235            when.transform(
-236                lambda node: exp.column(node.name)
-237                if isinstance(node, exp.Column) and node.args.get("table") in targets
-238                else node,
-239                copy=False,
-240            )
-241    return expression
+            
    215def remove_target_from_merge(expression: exp.Expression) -> exp.Expression:
+216    """Remove table refs from columns in when statements."""
+217    if isinstance(expression, exp.Merge):
+218        alias = expression.this.args.get("alias")
+219        targets = {expression.this.this}
+220        if alias:
+221            targets.add(alias.this)
+222
+223        for when in expression.expressions:
+224            when.transform(
+225                lambda node: exp.column(node.name)
+226                if isinstance(node, exp.Column) and node.args.get("table") in targets
+227                else node,
+228                copy=False,
+229            )
+230    return expression
 
    
 
 
@@ -759,27 +729,27 @@ other expressions. This transforms removes the precision from parameterized type
    - 
    244def preprocess(
-245    transforms: t.List[t.Callable[[exp.Expression], exp.Expression]],
-246) -> t.Callable[[Generator, exp.Expression], str]:
-247    """
-248    Creates a new transform by chaining a sequence of transformations and converts the resulting
-249    expression to SQL, using an appropriate `Generator.TRANSFORMS` function.
-250
-251    Args:
-252        transforms: sequence of transform functions. These will be called in order.
-253
-254    Returns:
-255        Function that can be used as a generator transform.
-256    """
-257
-258    def _to_sql(self, expression: exp.Expression) -> str:
-259        expression = transforms[0](expression.copy())
-260        for t in transforms[1:]:
-261            expression = t(expression)
-262        return getattr(self, expression.key + "_sql")(expression)
-263
-264    return _to_sql
+            
    233def preprocess(
+234    transforms: t.List[t.Callable[[exp.Expression], exp.Expression]],
+235) -> t.Callable[[Generator, exp.Expression], str]:
+236    """
+237    Creates a new transform by chaining a sequence of transformations and converts the resulting
+238    expression to SQL, using an appropriate `Generator.TRANSFORMS` function.
+239
+240    Args:
+241        transforms: sequence of transform functions. These will be called in order.
+242
+243    Returns:
+244        Function that can be used as a generator transform.
+245    """
+246
+247    def _to_sql(self, expression: exp.Expression) -> str:
+248        expression = transforms[0](expression.copy())
+249        for t in transforms[1:]:
+250            expression = t(expression)
+251        return getattr(self, expression.key + "_sql")(expression)
+252
+253    return _to_sql
 
    
 
 
diff --git a/sqlglot/__init__.py b/sqlglot/__init__.py
index 42d89d1..f7440e0 100644
--- a/sqlglot/__init__.py
+++ b/sqlglot/__init__.py
@@ -50,7 +50,7 @@ if t.TYPE_CHECKING:
     T = t.TypeVar("T", bound=Expression)
 
 
-__version__ = "11.7.1"
+__version__ = "12.2.0"
 
 pretty = False
 """Whether to format generated SQL by default."""
@@ -181,7 +181,7 @@ def transpile(
     Returns:
         The list of transpiled SQL statements.
     """
-    write = write or read if identity else write
+    write = (read if write is None else write) if identity else write
     return [
         Dialect.get_or_raise(write)().generate(expression, **opts)
         for expression in parse(sql, read, error_level=error_level)
diff --git a/sqlglot/dataframe/sql/functions.py b/sqlglot/dataframe/sql/functions.py
index 993d869..71385aa 100644
--- a/sqlglot/dataframe/sql/functions.py
+++ b/sqlglot/dataframe/sql/functions.py
@@ -747,11 +747,11 @@ def ascii(col: ColumnOrLiteral) -> Column:
 
 
 def base64(col: ColumnOrLiteral) -> Column:
-    return Column.invoke_anonymous_function(col, "BASE64")
+    return Column.invoke_expression_over_column(col, expression.ToBase64)
 
 
 def unbase64(col: ColumnOrLiteral) -> Column:
-    return Column.invoke_anonymous_function(col, "UNBASE64")
+    return Column.invoke_expression_over_column(col, expression.FromBase64)
 
 
 def ltrim(col: ColumnOrName) -> Column:
diff --git a/sqlglot/dialects/__init__.py b/sqlglot/dialects/__init__.py
index 191e703..fc34262 100644
--- a/sqlglot/dialects/__init__.py
+++ b/sqlglot/dialects/__init__.py
@@ -70,6 +70,7 @@ from sqlglot.dialects.presto import Presto
 from sqlglot.dialects.redshift import Redshift
 from sqlglot.dialects.snowflake import Snowflake
 from sqlglot.dialects.spark import Spark
+from sqlglot.dialects.spark2 import Spark2
 from sqlglot.dialects.sqlite import SQLite
 from sqlglot.dialects.starrocks import StarRocks
 from sqlglot.dialects.tableau import Tableau
diff --git a/sqlglot/dialects/bigquery.py b/sqlglot/dialects/bigquery.py
index 1a88654..9705b35 100644
--- a/sqlglot/dialects/bigquery.py
+++ b/sqlglot/dialects/bigquery.py
@@ -39,18 +39,26 @@ def _date_add_sql(
 
 def _derived_table_values_to_unnest(self: generator.Generator, expression: exp.Values) -> str:
     if not isinstance(expression.unnest().parent, exp.From):
-        expression = t.cast(exp.Values, transforms.remove_precision_parameterized_types(expression))
         return self.values_sql(expression)
-    rows = [tuple_exp.expressions for tuple_exp in expression.find_all(exp.Tuple)]
-    structs = []
-    for row in rows:
-        aliases = [
-            exp.alias_(value, column_name)
-            for value, column_name in zip(row, expression.args["alias"].args["columns"])
-        ]
-        structs.append(exp.Struct(expressions=aliases))
-    unnest_exp = exp.Unnest(expressions=[exp.Array(expressions=structs)])
-    return self.unnest_sql(unnest_exp)
+
+    alias = expression.args.get("alias")
+
+    structs = [
+        exp.Struct(
+            expressions=[
+                exp.alias_(value, column_name)
+                for value, column_name in zip(
+                    t.expressions,
+                    alias.columns
+                    if alias and alias.columns
+                    else (f"_c{i}" for i in range(len(t.expressions))),
+                )
+            ]
+        )
+        for t in expression.find_all(exp.Tuple)
+    ]
+
+    return self.unnest_sql(exp.Unnest(expressions=[exp.Array(expressions=structs)]))
 
 
 def _returnsproperty_sql(self: generator.Generator, expression: exp.ReturnsProperty) -> str:
@@ -128,6 +136,7 @@ class BigQuery(Dialect):
         IDENTIFIERS = ["`"]
         STRING_ESCAPES = ["\\"]
         HEX_STRINGS = [("0x", ""), ("0X", "")]
+        BYTE_STRINGS = [("b'", "'"), ("B'", "'")]
 
         KEYWORDS = {
             **tokens.Tokenizer.KEYWORDS,
@@ -139,6 +148,7 @@ class BigQuery(Dialect):
             "GEOGRAPHY": TokenType.GEOGRAPHY,
             "FLOAT64": TokenType.DOUBLE,
             "INT64": TokenType.BIGINT,
+            "BYTES": TokenType.BINARY,
             "NOT DETERMINISTIC": TokenType.VOLATILE,
             "UNKNOWN": TokenType.NULL,
         }
@@ -153,7 +163,7 @@ class BigQuery(Dialect):
         FUNCTIONS = {
             **parser.Parser.FUNCTIONS,  # type: ignore
             "DATE_TRUNC": lambda args: exp.DateTrunc(
-                unit=exp.Literal.string(seq_get(args, 1).name),  # type: ignore
+                unit=exp.Literal.string(str(seq_get(args, 1))),
                 this=seq_get(args, 0),
             ),
             "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd),
@@ -206,6 +216,12 @@ class BigQuery(Dialect):
             "NOT DETERMINISTIC": lambda self: self.expression(
                 exp.StabilityProperty, this=exp.Literal.string("VOLATILE")
             ),
+            "OPTIONS": lambda self: self._parse_with_property(),
+        }
+
+        CONSTRAINT_PARSERS = {
+            **parser.Parser.CONSTRAINT_PARSERS,  # type: ignore
+            "OPTIONS": lambda self: exp.Properties(expressions=self._parse_with_property()),
         }
 
     class Generator(generator.Generator):
@@ -217,11 +233,11 @@ class BigQuery(Dialect):
 
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,  # type: ignore
-            **transforms.REMOVE_PRECISION_PARAMETERIZED_TYPES,  # type: ignore
             exp.ArraySize: rename_func("ARRAY_LENGTH"),
             exp.AtTimeZone: lambda self, e: self.func(
                 "TIMESTAMP", self.func("DATETIME", e.this, e.args.get("zone"))
             ),
+            exp.Cast: transforms.preprocess([transforms.remove_precision_parameterized_types]),
             exp.DateAdd: _date_add_sql("DATE", "ADD"),
             exp.DateSub: _date_add_sql("DATE", "SUB"),
             exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"),
@@ -234,7 +250,9 @@ class BigQuery(Dialect):
             exp.IntDiv: rename_func("DIV"),
             exp.Max: max_or_greatest,
             exp.Min: min_or_least,
-            exp.Select: transforms.preprocess([_unqualify_unnest]),
+            exp.Select: transforms.preprocess(
+                [_unqualify_unnest, transforms.eliminate_distinct_on]
+            ),
             exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})",
             exp.TimeAdd: _date_add_sql("TIME", "ADD"),
             exp.TimeSub: _date_add_sql("TIME", "SUB"),
@@ -259,6 +277,7 @@ class BigQuery(Dialect):
             **generator.Generator.TYPE_MAPPING,  # type: ignore
             exp.DataType.Type.BIGDECIMAL: "BIGNUMERIC",
             exp.DataType.Type.BIGINT: "INT64",
+            exp.DataType.Type.BINARY: "BYTES",
             exp.DataType.Type.BOOLEAN: "BOOL",
             exp.DataType.Type.CHAR: "STRING",
             exp.DataType.Type.DECIMAL: "NUMERIC",
@@ -272,6 +291,7 @@ class BigQuery(Dialect):
             exp.DataType.Type.TIMESTAMP: "DATETIME",
             exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
             exp.DataType.Type.TINYINT: "INT64",
+            exp.DataType.Type.VARBINARY: "BYTES",
             exp.DataType.Type.VARCHAR: "STRING",
             exp.DataType.Type.VARIANT: "ANY TYPE",
         }
@@ -310,3 +330,6 @@ class BigQuery(Dialect):
             if not expression.args.get("distinct", False):
                 self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
             return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+
+        def with_properties(self, properties: exp.Properties) -> str:
+            return self.properties(properties, prefix=self.seg("OPTIONS"))
diff --git a/sqlglot/dialects/clickhouse.py b/sqlglot/dialects/clickhouse.py
index e91b0bf..2a49066 100644
--- a/sqlglot/dialects/clickhouse.py
+++ b/sqlglot/dialects/clickhouse.py
@@ -22,6 +22,8 @@ class ClickHouse(Dialect):
     class Tokenizer(tokens.Tokenizer):
         COMMENTS = ["--", "#", "#!", ("/*", "*/")]
         IDENTIFIERS = ['"', "`"]
+        BIT_STRINGS = [("0b", "")]
+        HEX_STRINGS = [("0x", ""), ("0X", "")]
 
         KEYWORDS = {
             **tokens.Tokenizer.KEYWORDS,
@@ -31,10 +33,18 @@ class ClickHouse(Dialect):
             "FINAL": TokenType.FINAL,
             "FLOAT32": TokenType.FLOAT,
             "FLOAT64": TokenType.DOUBLE,
+            "INT8": TokenType.TINYINT,
+            "UINT8": TokenType.UTINYINT,
             "INT16": TokenType.SMALLINT,
+            "UINT16": TokenType.USMALLINT,
             "INT32": TokenType.INT,
+            "UINT32": TokenType.UINT,
             "INT64": TokenType.BIGINT,
-            "INT8": TokenType.TINYINT,
+            "UINT64": TokenType.UBIGINT,
+            "INT128": TokenType.INT128,
+            "UINT128": TokenType.UINT128,
+            "INT256": TokenType.INT256,
+            "UINT256": TokenType.UINT256,
             "TUPLE": TokenType.STRUCT,
         }
 
@@ -121,9 +131,17 @@ class ClickHouse(Dialect):
             exp.DataType.Type.ARRAY: "Array",
             exp.DataType.Type.STRUCT: "Tuple",
             exp.DataType.Type.TINYINT: "Int8",
+            exp.DataType.Type.UTINYINT: "UInt8",
             exp.DataType.Type.SMALLINT: "Int16",
+            exp.DataType.Type.USMALLINT: "UInt16",
             exp.DataType.Type.INT: "Int32",
+            exp.DataType.Type.UINT: "UInt32",
             exp.DataType.Type.BIGINT: "Int64",
+            exp.DataType.Type.UBIGINT: "UInt64",
+            exp.DataType.Type.INT128: "Int128",
+            exp.DataType.Type.UINT128: "UInt128",
+            exp.DataType.Type.INT256: "Int256",
+            exp.DataType.Type.UINT256: "UInt256",
             exp.DataType.Type.FLOAT: "Float32",
             exp.DataType.Type.DOUBLE: "Float64",
         }
diff --git a/sqlglot/dialects/databricks.py b/sqlglot/dialects/databricks.py
index 138f26c..51112a0 100644
--- a/sqlglot/dialects/databricks.py
+++ b/sqlglot/dialects/databricks.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from sqlglot import exp
+from sqlglot import exp, transforms
 from sqlglot.dialects.dialect import parse_date_delta
 from sqlglot.dialects.spark import Spark
 from sqlglot.dialects.tsql import generate_date_delta_with_unit_sql
@@ -29,13 +29,20 @@ class Databricks(Spark):
             exp.DateAdd: generate_date_delta_with_unit_sql,
             exp.DateDiff: generate_date_delta_with_unit_sql,
             exp.JSONExtract: lambda self, e: self.binary(e, ":"),
+            exp.Select: transforms.preprocess(
+                [
+                    transforms.eliminate_distinct_on,
+                    transforms.unnest_to_explode,
+                ]
+            ),
             exp.ToChar: lambda self, e: self.function_fallback_sql(e),
         }
-        TRANSFORMS.pop(exp.Select)  # Remove the ELIMINATE_QUALIFY transformation
 
         PARAMETER_TOKEN = "$"
 
     class Tokenizer(Spark.Tokenizer):
+        HEX_STRINGS = []
+
         SINGLE_TOKENS = {
             **Spark.Tokenizer.SINGLE_TOKENS,
             "$": TokenType.PARAMETER,
diff --git a/sqlglot/dialects/dialect.py b/sqlglot/dialects/dialect.py
index 19c6f73..71269f2 100644
--- a/sqlglot/dialects/dialect.py
+++ b/sqlglot/dialects/dialect.py
@@ -28,6 +28,7 @@ class Dialects(str, Enum):
     REDSHIFT = "redshift"
     SNOWFLAKE = "snowflake"
     SPARK = "spark"
+    SPARK2 = "spark2"
     SQLITE = "sqlite"
     STARROCKS = "starrocks"
     TABLEAU = "tableau"
@@ -69,30 +70,17 @@ class _Dialect(type):
             klass.tokenizer_class._IDENTIFIERS.items()
         )[0]
 
-        if (
-            klass.tokenizer_class._BIT_STRINGS
-            and exp.BitString not in klass.generator_class.TRANSFORMS
-        ):
-            bs_start, bs_end = list(klass.tokenizer_class._BIT_STRINGS.items())[0]
-            klass.generator_class.TRANSFORMS[
-                exp.BitString
-            ] = lambda self, e: f"{bs_start}{int(self.sql(e, 'this')):b}{bs_end}"
-        if (
-            klass.tokenizer_class._HEX_STRINGS
-            and exp.HexString not in klass.generator_class.TRANSFORMS
-        ):
-            hs_start, hs_end = list(klass.tokenizer_class._HEX_STRINGS.items())[0]
-            klass.generator_class.TRANSFORMS[
-                exp.HexString
-            ] = lambda self, e: f"{hs_start}{int(self.sql(e, 'this')):X}{hs_end}"
-        if (
-            klass.tokenizer_class._BYTE_STRINGS
-            and exp.ByteString not in klass.generator_class.TRANSFORMS
-        ):
-            be_start, be_end = list(klass.tokenizer_class._BYTE_STRINGS.items())[0]
-            klass.generator_class.TRANSFORMS[
-                exp.ByteString
-            ] = lambda self, e: f"{be_start}{self.sql(e, 'this')}{be_end}"
+        klass.bit_start, klass.bit_end = seq_get(
+            list(klass.tokenizer_class._BIT_STRINGS.items()), 0
+        ) or (None, None)
+
+        klass.hex_start, klass.hex_end = seq_get(
+            list(klass.tokenizer_class._HEX_STRINGS.items()), 0
+        ) or (None, None)
+
+        klass.byte_start, klass.byte_end = seq_get(
+            list(klass.tokenizer_class._BYTE_STRINGS.items()), 0
+        ) or (None, None)
 
         return klass
 
@@ -198,6 +186,12 @@ class Dialect(metaclass=_Dialect):
             **{
                 "quote_start": self.quote_start,
                 "quote_end": self.quote_end,
+                "bit_start": self.bit_start,
+                "bit_end": self.bit_end,
+                "hex_start": self.hex_start,
+                "hex_end": self.hex_end,
+                "byte_start": self.byte_start,
+                "byte_end": self.byte_end,
                 "identifier_start": self.identifier_start,
                 "identifier_end": self.identifier_end,
                 "string_escape": self.tokenizer_class.STRING_ESCAPES[0],
diff --git a/sqlglot/dialects/drill.py b/sqlglot/dialects/drill.py
index d7e2d88..7ad555e 100644
--- a/sqlglot/dialects/drill.py
+++ b/sqlglot/dialects/drill.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 import typing as t
 
-from sqlglot import exp, generator, parser, tokens
+from sqlglot import exp, generator, parser, tokens, transforms
 from sqlglot.dialects.dialect import (
     Dialect,
     create_with_partitions_sql,
@@ -145,6 +145,7 @@ class Drill(Dialect):
             exp.StrPosition: str_position_sql,
             exp.StrToDate: _str_to_date,
             exp.Pow: rename_func("POW"),
+            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
             exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
             exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
             exp.TimeStrToTime: timestrtotime_sql,
diff --git a/sqlglot/dialects/duckdb.py b/sqlglot/dialects/duckdb.py
index 9454db6..bce956e 100644
--- a/sqlglot/dialects/duckdb.py
+++ b/sqlglot/dialects/duckdb.py
@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import typing as t
+
 from sqlglot import exp, generator, parser, tokens
 from sqlglot.dialects.dialect import (
     Dialect,
@@ -23,52 +25,61 @@ from sqlglot.helper import seq_get
 from sqlglot.tokens import TokenType
 
 
-def _ts_or_ds_add(self, expression):
+def _ts_or_ds_add_sql(self: generator.Generator, expression: exp.TsOrDsAdd) -> str:
     this = self.sql(expression, "this")
     unit = self.sql(expression, "unit").strip("'") or "DAY"
     return f"CAST({this} AS DATE) + {self.sql(exp.Interval(this=expression.expression, unit=unit))}"
 
 
-def _date_add(self, expression):
+def _date_add_sql(self: generator.Generator, expression: exp.DateAdd) -> str:
     this = self.sql(expression, "this")
     unit = self.sql(expression, "unit").strip("'") or "DAY"
     return f"{this} + {self.sql(exp.Interval(this=expression.expression, unit=unit))}"
 
 
-def _array_sort_sql(self, expression):
+def _array_sort_sql(self: generator.Generator, expression: exp.ArraySort) -> str:
     if expression.expression:
         self.unsupported("DUCKDB ARRAY_SORT does not support a comparator")
     return f"ARRAY_SORT({self.sql(expression, 'this')})"
 
 
-def _sort_array_sql(self, expression):
+def _sort_array_sql(self: generator.Generator, expression: exp.SortArray) -> str:
     this = self.sql(expression, "this")
     if expression.args.get("asc") == exp.false():
         return f"ARRAY_REVERSE_SORT({this})"
     return f"ARRAY_SORT({this})"
 
 
-def _sort_array_reverse(args):
+def _sort_array_reverse(args: t.Sequence) -> exp.Expression:
     return exp.SortArray(this=seq_get(args, 0), asc=exp.false())
 
 
-def _struct_sql(self, expression):
+def _parse_date_diff(args: t.Sequence) -> exp.Expression:
+    return exp.DateDiff(
+        this=seq_get(args, 2),
+        expression=seq_get(args, 1),
+        unit=seq_get(args, 0),
+    )
+
+
+def _struct_sql(self: generator.Generator, expression: exp.Struct) -> str:
     args = [
         f"'{e.name or e.this.name}': {self.sql(e, 'expression')}" for e in expression.expressions
     ]
     return f"{{{', '.join(args)}}}"
 
 
-def _datatype_sql(self, expression):
+def _datatype_sql(self: generator.Generator, expression: exp.DataType) -> str:
     if expression.this == exp.DataType.Type.ARRAY:
         return f"{self.expressions(expression, flat=True)}[]"
     return self.datatype_sql(expression)
 
 
-def _regexp_extract_sql(self, expression):
+def _regexp_extract_sql(self: generator.Generator, expression: exp.RegexpExtract) -> str:
     bad_args = list(filter(expression.args.get, ("position", "occurrence")))
     if bad_args:
         self.unsupported(f"REGEXP_EXTRACT does not support arg(s) {bad_args}")
+
     return self.func(
         "REGEXP_EXTRACT",
         expression.args.get("this"),
@@ -108,6 +119,8 @@ class DuckDB(Dialect):
             "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
             "ARRAY_SORT": exp.SortArray.from_arg_list,
             "ARRAY_REVERSE_SORT": _sort_array_reverse,
+            "DATEDIFF": _parse_date_diff,
+            "DATE_DIFF": _parse_date_diff,
             "EPOCH": exp.TimeToUnix.from_arg_list,
             "EPOCH_MS": lambda args: exp.UnixToTime(
                 this=exp.Div(
@@ -115,18 +128,18 @@ class DuckDB(Dialect):
                     expression=exp.Literal.number(1000),
                 )
             ),
-            "LIST_SORT": exp.SortArray.from_arg_list,
             "LIST_REVERSE_SORT": _sort_array_reverse,
+            "LIST_SORT": exp.SortArray.from_arg_list,
             "LIST_VALUE": exp.Array.from_arg_list,
             "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
             "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
-            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
-            "STR_SPLIT": exp.Split.from_arg_list,
             "STRING_SPLIT": exp.Split.from_arg_list,
-            "STRING_TO_ARRAY": exp.Split.from_arg_list,
-            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
             "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+            "STRING_TO_ARRAY": exp.Split.from_arg_list,
+            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
             "STRUCT_PACK": exp.Struct.from_arg_list,
+            "STR_SPLIT": exp.Split.from_arg_list,
+            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
             "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
             "UNNEST": exp.Explode.from_arg_list,
         }
@@ -142,10 +155,11 @@ class DuckDB(Dialect):
     class Generator(generator.Generator):
         JOIN_HINTS = False
         TABLE_HINTS = False
+        LIMIT_FETCH = "LIMIT"
         STRUCT_DELIMITER = ("(", ")")
 
         TRANSFORMS = {
-            **generator.Generator.TRANSFORMS,  # type: ignore
+            **generator.Generator.TRANSFORMS,
             exp.ApproxDistinct: approx_count_distinct_sql,
             exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
             if isinstance(seq_get(e.expressions, 0), exp.Select)
@@ -154,13 +168,16 @@ class DuckDB(Dialect):
             exp.ArraySort: _array_sort_sql,
             exp.ArraySum: rename_func("LIST_SUM"),
             exp.CommentColumnConstraint: no_comment_column_constraint_sql,
+            exp.CurrentDate: lambda self, e: "CURRENT_DATE",
+            exp.CurrentTime: lambda self, e: "CURRENT_TIME",
+            exp.CurrentTimestamp: lambda self, e: "CURRENT_TIMESTAMP",
             exp.DayOfMonth: rename_func("DAYOFMONTH"),
             exp.DayOfWeek: rename_func("DAYOFWEEK"),
             exp.DayOfYear: rename_func("DAYOFYEAR"),
             exp.DataType: _datatype_sql,
-            exp.DateAdd: _date_add,
+            exp.DateAdd: _date_add_sql,
             exp.DateDiff: lambda self, e: self.func(
-                "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this
+                "DATE_DIFF", f"'{e.args.get('unit', 'day')}'", e.expression, e.this
             ),
             exp.DateStrToDate: datestrtodate_sql,
             exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
@@ -192,7 +209,7 @@ class DuckDB(Dialect):
             exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
             exp.TimeToUnix: rename_func("EPOCH"),
             exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
-            exp.TsOrDsAdd: _ts_or_ds_add,
+            exp.TsOrDsAdd: _ts_or_ds_add_sql,
             exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
             exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
             exp.UnixToTime: rename_func("TO_TIMESTAMP"),
@@ -201,7 +218,7 @@ class DuckDB(Dialect):
         }
 
         TYPE_MAPPING = {
-            **generator.Generator.TYPE_MAPPING,  # type: ignore
+            **generator.Generator.TYPE_MAPPING,
             exp.DataType.Type.BINARY: "BLOB",
             exp.DataType.Type.CHAR: "TEXT",
             exp.DataType.Type.FLOAT: "REAL",
@@ -212,17 +229,14 @@ class DuckDB(Dialect):
             exp.DataType.Type.VARCHAR: "TEXT",
         }
 
-        STAR_MAPPING = {
-            **generator.Generator.STAR_MAPPING,
-            "except": "EXCLUDE",
-        }
+        STAR_MAPPING = {**generator.Generator.STAR_MAPPING, "except": "EXCLUDE"}
 
         PROPERTIES_LOCATION = {
             **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
             exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
         }
 
-        LIMIT_FETCH = "LIMIT"
-
-        def tablesample_sql(self, expression: exp.TableSample, seed_prefix: str = "SEED") -> str:
-            return super().tablesample_sql(expression, seed_prefix="REPEATABLE")
+        def tablesample_sql(
+            self, expression: exp.TableSample, seed_prefix: str = "SEED", sep=" AS "
+        ) -> str:
+            return super().tablesample_sql(expression, seed_prefix="REPEATABLE", sep=sep)
diff --git a/sqlglot/dialects/hive.py b/sqlglot/dialects/hive.py
index 6746fcf..871a180 100644
--- a/sqlglot/dialects/hive.py
+++ b/sqlglot/dialects/hive.py
@@ -81,7 +81,20 @@ def _date_diff_sql(self: generator.Generator, expression: exp.DateDiff) -> str:
     return f"{diff_sql}{multiplier_sql}"
 
 
-def _array_sort(self: generator.Generator, expression: exp.ArraySort) -> str:
+def _json_format_sql(self: generator.Generator, expression: exp.JSONFormat) -> str:
+    this = expression.this
+
+    if not this.type:
+        from sqlglot.optimizer.annotate_types import annotate_types
+
+        annotate_types(this)
+
+    if this.type.is_type(exp.DataType.Type.JSON):
+        return self.sql(this)
+    return self.func("TO_JSON", this, expression.args.get("options"))
+
+
+def _array_sort_sql(self: generator.Generator, expression: exp.ArraySort) -> str:
     if expression.expression:
         self.unsupported("Hive SORT_ARRAY does not support a comparator")
     return f"SORT_ARRAY({self.sql(expression, 'this')})"
@@ -91,11 +104,11 @@ def _property_sql(self: generator.Generator, expression: exp.Property) -> str:
     return f"'{expression.name}'={self.sql(expression, 'value')}"
 
 
-def _str_to_unix(self: generator.Generator, expression: exp.StrToUnix) -> str:
+def _str_to_unix_sql(self: generator.Generator, expression: exp.StrToUnix) -> str:
     return self.func("UNIX_TIMESTAMP", expression.this, _time_format(self, expression))
 
 
-def _str_to_date(self: generator.Generator, expression: exp.StrToDate) -> str:
+def _str_to_date_sql(self: generator.Generator, expression: exp.StrToDate) -> str:
     this = self.sql(expression, "this")
     time_format = self.format_time(expression)
     if time_format not in (Hive.time_format, Hive.date_format):
@@ -103,7 +116,7 @@ def _str_to_date(self: generator.Generator, expression: exp.StrToDate) -> str:
     return f"CAST({this} AS DATE)"
 
 
-def _str_to_time(self: generator.Generator, expression: exp.StrToTime) -> str:
+def _str_to_time_sql(self: generator.Generator, expression: exp.StrToTime) -> str:
     this = self.sql(expression, "this")
     time_format = self.format_time(expression)
     if time_format not in (Hive.time_format, Hive.date_format):
@@ -214,6 +227,7 @@ class Hive(Dialect):
         FUNCTIONS = {
             **parser.Parser.FUNCTIONS,  # type: ignore
             "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
+            "BASE64": exp.ToBase64.from_arg_list,
             "COLLECT_LIST": exp.ArrayAgg.from_arg_list,
             "DATE_ADD": lambda args: exp.TsOrDsAdd(
                 this=seq_get(args, 0),
@@ -251,6 +265,7 @@ class Hive(Dialect):
             "SPLIT": exp.RegexpSplit.from_arg_list,
             "TO_DATE": format_time_lambda(exp.TsOrDsToDate, "hive"),
             "TO_JSON": exp.JSONFormat.from_arg_list,
+            "UNBASE64": exp.FromBase64.from_arg_list,
             "UNIX_TIMESTAMP": format_time_lambda(exp.StrToUnix, "hive", True),
             "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate.from_arg_list(args)),
         }
@@ -280,16 +295,20 @@ class Hive(Dialect):
 
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,  # type: ignore
-            **transforms.UNALIAS_GROUP,  # type: ignore
-            **transforms.ELIMINATE_QUALIFY,  # type: ignore
+            exp.Group: transforms.preprocess([transforms.unalias_group]),
             exp.Select: transforms.preprocess(
-                [transforms.eliminate_qualify, transforms.unnest_to_explode]
+                [
+                    transforms.eliminate_qualify,
+                    transforms.eliminate_distinct_on,
+                    transforms.unnest_to_explode,
+                ]
             ),
             exp.Property: _property_sql,
             exp.ApproxDistinct: approx_count_distinct_sql,
             exp.ArrayConcat: rename_func("CONCAT"),
+            exp.ArrayJoin: lambda self, e: self.func("CONCAT_WS", e.expression, e.this),
             exp.ArraySize: rename_func("SIZE"),
-            exp.ArraySort: _array_sort,
+            exp.ArraySort: _array_sort_sql,
             exp.With: no_recursive_cte_sql,
             exp.DateAdd: _add_date_sql,
             exp.DateDiff: _date_diff_sql,
@@ -298,12 +317,13 @@ class Hive(Dialect):
             exp.DateToDi: lambda self, e: f"CAST(DATE_FORMAT({self.sql(e, 'this')}, {Hive.dateint_format}) AS INT)",
             exp.DiToDate: lambda self, e: f"TO_DATE(CAST({self.sql(e, 'this')} AS STRING), {Hive.dateint_format})",
             exp.FileFormatProperty: lambda self, e: f"STORED AS {self.sql(e, 'this') if isinstance(e.this, exp.InputOutputFormat) else e.name.upper()}",
+            exp.FromBase64: rename_func("UNBASE64"),
             exp.If: if_sql,
             exp.Index: _index_sql,
             exp.ILike: no_ilike_sql,
             exp.JSONExtract: rename_func("GET_JSON_OBJECT"),
             exp.JSONExtractScalar: rename_func("GET_JSON_OBJECT"),
-            exp.JSONFormat: rename_func("TO_JSON"),
+            exp.JSONFormat: _json_format_sql,
             exp.Map: var_map_sql,
             exp.Max: max_or_greatest,
             exp.Min: min_or_least,
@@ -318,9 +338,9 @@ class Hive(Dialect):
             exp.SetAgg: rename_func("COLLECT_SET"),
             exp.Split: lambda self, e: f"SPLIT({self.sql(e, 'this')}, CONCAT('\\\\Q', {self.sql(e, 'expression')}))",
             exp.StrPosition: strposition_to_locate_sql,
-            exp.StrToDate: _str_to_date,
-            exp.StrToTime: _str_to_time,
-            exp.StrToUnix: _str_to_unix,
+            exp.StrToDate: _str_to_date_sql,
+            exp.StrToTime: _str_to_time_sql,
+            exp.StrToUnix: _str_to_unix_sql,
             exp.StructExtract: struct_extract_sql,
             exp.TableFormatProperty: lambda self, e: f"USING {self.sql(e, 'this')}",
             exp.TimeStrToDate: rename_func("TO_DATE"),
@@ -328,6 +348,7 @@ class Hive(Dialect):
             exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
             exp.TimeToStr: _time_to_str,
             exp.TimeToUnix: rename_func("UNIX_TIMESTAMP"),
+            exp.ToBase64: rename_func("BASE64"),
             exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS STRING), '-', ''), 1, 8) AS INT)",
             exp.TsOrDsAdd: lambda self, e: f"DATE_ADD({self.sql(e, 'this')}, {self.sql(e, 'expression')})",
             exp.TsOrDsToDate: _to_date_sql,
diff --git a/sqlglot/dialects/mysql.py b/sqlglot/dialects/mysql.py
index 666e740..5342624 100644
--- a/sqlglot/dialects/mysql.py
+++ b/sqlglot/dialects/mysql.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from sqlglot import exp, generator, parser, tokens
+from sqlglot import exp, generator, parser, tokens, transforms
 from sqlglot.dialects.dialect import (
     Dialect,
     arrow_json_extract_scalar_sql,
@@ -403,6 +403,7 @@ class MySQL(Dialect):
             exp.Min: min_or_least,
             exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
             exp.NullSafeNEQ: lambda self, e: self.not_sql(self.binary(e, "<=>")),
+            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
             exp.StrPosition: strposition_to_locate_sql,
             exp.StrToDate: _str_to_date_sql,
             exp.StrToTime: _str_to_date_sql,
diff --git a/sqlglot/dialects/oracle.py b/sqlglot/dialects/oracle.py
index 9ccd02e..c8af1c6 100644
--- a/sqlglot/dialects/oracle.py
+++ b/sqlglot/dialects/oracle.py
@@ -34,6 +34,8 @@ def _parse_xml_table(self) -> exp.XMLTable:
 
 
 class Oracle(Dialect):
+    alias_post_tablesample = True
+
     # https://docs.oracle.com/database/121/SQLRF/sql_elements004.htm#SQLRF00212
     # https://docs.python.org/3/library/datetime.html#strftime-and-strptime-format-codes
     time_mapping = {
@@ -121,21 +123,23 @@ class Oracle(Dialect):
 
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,  # type: ignore
-            **transforms.UNALIAS_GROUP,  # type: ignore
             exp.DateStrToDate: lambda self, e: self.func(
                 "TO_DATE", e.this, exp.Literal.string("YYYY-MM-DD")
             ),
+            exp.Group: transforms.preprocess([transforms.unalias_group]),
             exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
             exp.ILike: no_ilike_sql,
+            exp.IfNull: rename_func("NVL"),
+            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
             exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
             exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "),
             exp.Substring: rename_func("SUBSTR"),
             exp.Table: lambda self, e: self.table_sql(e, sep=" "),
+            exp.TableSample: lambda self, e: self.tablesample_sql(e, sep=" "),
             exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
             exp.ToChar: lambda self, e: self.function_fallback_sql(e),
             exp.Trim: trim_sql,
             exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
-            exp.IfNull: rename_func("NVL"),
         }
 
         PROPERTIES_LOCATION = {
@@ -164,14 +168,19 @@ class Oracle(Dialect):
             return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
 
     class Tokenizer(tokens.Tokenizer):
+        VAR_SINGLE_TOKENS = {"@"}
+
         KEYWORDS = {
             **tokens.Tokenizer.KEYWORDS,
             "(+)": TokenType.JOIN_MARKER,
+            "BINARY_DOUBLE": TokenType.DOUBLE,
+            "BINARY_FLOAT": TokenType.FLOAT,
             "COLUMNS": TokenType.COLUMN,
             "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
             "MINUS": TokenType.EXCEPT,
             "NVARCHAR2": TokenType.NVARCHAR,
             "RETURNING": TokenType.RETURNING,
+            "SAMPLE": TokenType.TABLE_SAMPLE,
             "START": TokenType.BEGIN,
             "TOP": TokenType.TOP,
             "VARCHAR2": TokenType.VARCHAR,
diff --git a/sqlglot/dialects/postgres.py b/sqlglot/dialects/postgres.py
index c47ff51..2132778 100644
--- a/sqlglot/dialects/postgres.py
+++ b/sqlglot/dialects/postgres.py
@@ -1,6 +1,8 @@
 from __future__ import annotations
 
-from sqlglot import exp, generator, parser, tokens
+import typing as t
+
+from sqlglot import exp, generator, parser, tokens, transforms
 from sqlglot.dialects.dialect import (
     Dialect,
     arrow_json_extract_scalar_sql,
@@ -20,7 +22,6 @@ from sqlglot.dialects.dialect import (
 from sqlglot.helper import seq_get
 from sqlglot.parser import binary_range_parser
 from sqlglot.tokens import TokenType
-from sqlglot.transforms import preprocess, remove_target_from_merge
 
 DATE_DIFF_FACTOR = {
     "MICROSECOND": " * 1000000",
@@ -274,8 +275,7 @@ class Postgres(Dialect):
             TokenType.HASH: exp.BitwiseXor,
         }
 
-        FACTOR = {
-            **parser.Parser.FACTOR,
+        EXPONENT = {
             TokenType.CARET: exp.Pow,
         }
 
@@ -286,6 +286,12 @@ class Postgres(Dialect):
             TokenType.LT_AT: binary_range_parser(exp.ArrayContained),
         }
 
+        def _parse_factor(self) -> t.Optional[exp.Expression]:
+            return self._parse_tokens(self._parse_exponent, self.FACTOR)
+
+        def _parse_exponent(self) -> t.Optional[exp.Expression]:
+            return self._parse_tokens(self._parse_unary, self.EXPONENT)
+
         def _parse_date_part(self) -> exp.Expression:
             part = self._parse_type()
             self._match(TokenType.COMMA)
@@ -316,7 +322,7 @@ class Postgres(Dialect):
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,  # type: ignore
             exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
-            exp.ColumnDef: preprocess(
+            exp.ColumnDef: transforms.preprocess(
                 [
                     _auto_increment_to_serial,
                     _serial_to_generated,
@@ -341,7 +347,7 @@ class Postgres(Dialect):
             exp.ArrayOverlaps: lambda self, e: self.binary(e, "&&"),
             exp.ArrayContains: lambda self, e: self.binary(e, "@>"),
             exp.ArrayContained: lambda self, e: self.binary(e, "<@"),
-            exp.Merge: preprocess([remove_target_from_merge]),
+            exp.Merge: transforms.preprocess([transforms.remove_target_from_merge]),
             exp.RegexpLike: lambda self, e: self.binary(e, "~"),
             exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
             exp.StrPosition: str_position_sql,
diff --git a/sqlglot/dialects/presto.py b/sqlglot/dialects/presto.py
index 489d439..6133a27 100644
--- a/sqlglot/dialects/presto.py
+++ b/sqlglot/dialects/presto.py
@@ -130,7 +130,7 @@ def _ts_or_ds_add_sql(self: generator.Generator, expression: exp.TsOrDsAdd) -> s
 def _sequence_sql(self: generator.Generator, expression: exp.GenerateSeries) -> str:
     start = expression.args["start"]
     end = expression.args["end"]
-    step = expression.args.get("step", 1)  # Postgres defaults to 1 for generate_series
+    step = expression.args.get("step")
 
     target_type = None
 
@@ -147,7 +147,11 @@ def _sequence_sql(self: generator.Generator, expression: exp.GenerateSeries) ->
         else:
             start = exp.Cast(this=start, to=to)
 
-    return self.func("SEQUENCE", start, end, step)
+    sql = self.func("SEQUENCE", start, end, step)
+    if isinstance(expression.parent, exp.Table):
+        sql = f"UNNEST({sql})"
+
+    return sql
 
 
 def _ensure_utf8(charset: exp.Literal) -> None:
@@ -204,6 +208,7 @@ class Presto(Dialect):
         FUNCTIONS = {
             **parser.Parser.FUNCTIONS,  # type: ignore
             "APPROX_DISTINCT": exp.ApproxDistinct.from_arg_list,
+            "APPROX_PERCENTILE": _approx_percentile,
             "CARDINALITY": exp.ArraySize.from_arg_list,
             "CONTAINS": exp.ArrayContains.from_arg_list,
             "DATE_ADD": lambda args: exp.DateAdd(
@@ -219,23 +224,23 @@ class Presto(Dialect):
             "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "presto"),
             "DATE_PARSE": format_time_lambda(exp.StrToTime, "presto"),
             "DATE_TRUNC": date_trunc_to_time,
+            "FROM_HEX": exp.Unhex.from_arg_list,
             "FROM_UNIXTIME": _from_unixtime,
+            "FROM_UTF8": lambda args: exp.Decode(
+                this=seq_get(args, 0), replace=seq_get(args, 1), charset=exp.Literal.string("utf-8")
+            ),
             "NOW": exp.CurrentTimestamp.from_arg_list,
+            "SEQUENCE": exp.GenerateSeries.from_arg_list,
             "STRPOS": lambda args: exp.StrPosition(
                 this=seq_get(args, 0),
                 substr=seq_get(args, 1),
                 instance=seq_get(args, 2),
             ),
             "TO_UNIXTIME": exp.TimeToUnix.from_arg_list,
-            "APPROX_PERCENTILE": _approx_percentile,
-            "FROM_HEX": exp.Unhex.from_arg_list,
             "TO_HEX": exp.Hex.from_arg_list,
             "TO_UTF8": lambda args: exp.Encode(
                 this=seq_get(args, 0), charset=exp.Literal.string("utf-8")
             ),
-            "FROM_UTF8": lambda args: exp.Decode(
-                this=seq_get(args, 0), replace=seq_get(args, 1), charset=exp.Literal.string("utf-8")
-            ),
         }
         FUNCTION_PARSERS = parser.Parser.FUNCTION_PARSERS.copy()
         FUNCTION_PARSERS.pop("TRIM")
@@ -264,7 +269,6 @@ class Presto(Dialect):
 
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,  # type: ignore
-            **transforms.UNALIAS_GROUP,  # type: ignore
             exp.ApproxDistinct: _approx_distinct_sql,
             exp.Array: lambda self, e: f"ARRAY[{self.expressions(e, flat=True)}]",
             exp.ArrayConcat: rename_func("CONCAT"),
@@ -290,6 +294,7 @@ class Presto(Dialect):
             exp.DiToDate: lambda self, e: f"CAST(DATE_PARSE(CAST({self.sql(e, 'this')} AS VARCHAR), {Presto.dateint_format}) AS DATE)",
             exp.Encode: _encode_sql,
             exp.GenerateSeries: _sequence_sql,
+            exp.Group: transforms.preprocess([transforms.unalias_group]),
             exp.Hex: rename_func("TO_HEX"),
             exp.If: if_sql,
             exp.ILike: no_ilike_sql,
@@ -303,7 +308,11 @@ class Presto(Dialect):
             exp.SafeDivide: no_safe_divide_sql,
             exp.Schema: _schema_sql,
             exp.Select: transforms.preprocess(
-                [transforms.eliminate_qualify, transforms.explode_to_unnest]
+                [
+                    transforms.eliminate_qualify,
+                    transforms.eliminate_distinct_on,
+                    transforms.explode_to_unnest,
+                ]
             ),
             exp.SortArray: _no_sort_array,
             exp.StrPosition: rename_func("STRPOS"),
@@ -327,6 +336,9 @@ class Presto(Dialect):
             exp.UnixToTime: rename_func("FROM_UNIXTIME"),
             exp.UnixToTimeStr: lambda self, e: f"CAST(FROM_UNIXTIME({self.sql(e, 'this')}) AS VARCHAR)",
             exp.VariancePop: rename_func("VAR_POP"),
+            exp.WithinGroup: transforms.preprocess(
+                [transforms.remove_within_group_for_percentiles]
+            ),
         }
 
         def interval_sql(self, expression: exp.Interval) -> str:
diff --git a/sqlglot/dialects/redshift.py b/sqlglot/dialects/redshift.py
index a9c4f62..1b7cf31 100644
--- a/sqlglot/dialects/redshift.py
+++ b/sqlglot/dialects/redshift.py
@@ -52,6 +52,8 @@ class Redshift(Postgres):
             return this
 
     class Tokenizer(Postgres.Tokenizer):
+        BIT_STRINGS = []
+        HEX_STRINGS = []
         STRING_ESCAPES = ["\\"]
 
         KEYWORDS = {
@@ -90,7 +92,6 @@ class Redshift(Postgres):
 
         TRANSFORMS = {
             **Postgres.Generator.TRANSFORMS,  # type: ignore
-            **transforms.ELIMINATE_DISTINCT_ON,  # type: ignore
             exp.CurrentTimestamp: lambda self, e: "SYSDATE",
             exp.DateAdd: lambda self, e: self.func(
                 "DATEADD", exp.var(e.text("unit") or "day"), e.expression, e.this
@@ -102,6 +103,7 @@ class Redshift(Postgres):
             exp.DistStyleProperty: lambda self, e: self.naked_property(e),
             exp.JSONExtract: _json_sql,
             exp.JSONExtractScalar: _json_sql,
+            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
             exp.SortKeyProperty: lambda self, e: f"{'COMPOUND ' if e.args['compound'] else ''}SORTKEY({self.format_args(*e.this)})",
         }
 
diff --git a/sqlglot/dialects/snowflake.py b/sqlglot/dialects/snowflake.py
index 0829669..70dcaa9 100644
--- a/sqlglot/dialects/snowflake.py
+++ b/sqlglot/dialects/snowflake.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 import typing as t
 
-from sqlglot import exp, generator, parser, tokens
+from sqlglot import exp, generator, parser, tokens, transforms
 from sqlglot.dialects.dialect import (
     Dialect,
     date_trunc_to_time,
@@ -252,6 +252,7 @@ class Snowflake(Dialect):
     class Tokenizer(tokens.Tokenizer):
         QUOTES = ["'", "$$"]
         STRING_ESCAPES = ["\\", "'"]
+        HEX_STRINGS = [("x'", "'"), ("X'", "'")]
 
         KEYWORDS = {
             **tokens.Tokenizer.KEYWORDS,
@@ -305,6 +306,7 @@ class Snowflake(Dialect):
             exp.Max: max_or_greatest,
             exp.Min: min_or_least,
             exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
+            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
             exp.StarMap: rename_func("OBJECT_CONSTRUCT"),
             exp.StrPosition: lambda self, e: self.func(
                 "POSITION", e.args.get("substr"), e.this, e.args.get("position")
diff --git a/sqlglot/dialects/spark.py b/sqlglot/dialects/spark.py
index a3e4cce..939f2fd 100644
--- a/sqlglot/dialects/spark.py
+++ b/sqlglot/dialects/spark.py
@@ -2,222 +2,54 @@ from __future__ import annotations
 
 import typing as t
 
-from sqlglot import exp, parser
-from sqlglot.dialects.dialect import create_with_partitions_sql, rename_func, trim_sql
-from sqlglot.dialects.hive import Hive
+from sqlglot import exp
+from sqlglot.dialects.spark2 import Spark2
 from sqlglot.helper import seq_get
 
 
-def _create_sql(self: Hive.Generator, e: exp.Create) -> str:
-    kind = e.args["kind"]
-    properties = e.args.get("properties")
+def _parse_datediff(args: t.Sequence) -> exp.Expression:
+    """
+    Although Spark docs don't mention the "unit" argument, Spark3 added support for
+    it at some point. Databricks also supports this variation (see below).
 
-    if kind.upper() == "TABLE" and any(
-        isinstance(prop, exp.TemporaryProperty)
-        for prop in (properties.expressions if properties else [])
-    ):
-        return f"CREATE TEMPORARY VIEW {self.sql(e, 'this')} AS {self.sql(e, 'expression')}"
-    return create_with_partitions_sql(self, e)
+    For example, in spark-sql (v3.3.1):
+    - SELECT DATEDIFF('2020-01-01', '2020-01-05') results in -4
+    - SELECT DATEDIFF(day, '2020-01-01', '2020-01-05') results in 4
 
+    See also:
+    - https://docs.databricks.com/sql/language-manual/functions/datediff3.html
+    - https://docs.databricks.com/sql/language-manual/functions/datediff.html
+    """
+    unit = None
+    this = seq_get(args, 0)
+    expression = seq_get(args, 1)
 
-def _map_sql(self: Hive.Generator, expression: exp.Map) -> str:
-    keys = self.sql(expression.args["keys"])
-    values = self.sql(expression.args["values"])
-    return f"MAP_FROM_ARRAYS({keys}, {values})"
+    if len(args) == 3:
+        unit = this
+        this = args[2]
 
+    return exp.DateDiff(
+        this=exp.TsOrDsToDate(this=this), expression=exp.TsOrDsToDate(this=expression), unit=unit
+    )
 
-def _str_to_date(self: Hive.Generator, expression: exp.StrToDate) -> str:
-    this = self.sql(expression, "this")
-    time_format = self.format_time(expression)
-    if time_format == Hive.date_format:
-        return f"TO_DATE({this})"
-    return f"TO_DATE({this}, {time_format})"
 
-
-def _unix_to_time_sql(self: Hive.Generator, expression: exp.UnixToTime) -> str:
-    scale = expression.args.get("scale")
-    timestamp = self.sql(expression, "this")
-    if scale is None:
-        return f"FROM_UNIXTIME({timestamp})"
-    if scale == exp.UnixToTime.SECONDS:
-        return f"TIMESTAMP_SECONDS({timestamp})"
-    if scale == exp.UnixToTime.MILLIS:
-        return f"TIMESTAMP_MILLIS({timestamp})"
-    if scale == exp.UnixToTime.MICROS:
-        return f"TIMESTAMP_MICROS({timestamp})"
-
-    raise ValueError("Improper scale for timestamp")
-
-
-class Spark(Hive):
-    class Parser(Hive.Parser):
+class Spark(Spark2):
+    class Parser(Spark2.Parser):
         FUNCTIONS = {
-            **Hive.Parser.FUNCTIONS,  # type: ignore
-            "MAP_FROM_ARRAYS": exp.Map.from_arg_list,
-            "TO_UNIX_TIMESTAMP": exp.StrToUnix.from_arg_list,
-            "LEFT": lambda args: exp.Substring(
-                this=seq_get(args, 0),
-                start=exp.Literal.number(1),
-                length=seq_get(args, 1),
-            ),
-            "SHIFTLEFT": lambda args: exp.BitwiseLeftShift(
-                this=seq_get(args, 0),
-                expression=seq_get(args, 1),
-            ),
-            "SHIFTRIGHT": lambda args: exp.BitwiseRightShift(
-                this=seq_get(args, 0),
-                expression=seq_get(args, 1),
-            ),
-            "RIGHT": lambda args: exp.Substring(
-                this=seq_get(args, 0),
-                start=exp.Sub(
-                    this=exp.Length(this=seq_get(args, 0)),
-                    expression=exp.Add(this=seq_get(args, 1), expression=exp.Literal.number(1)),
-                ),
-                length=seq_get(args, 1),
-            ),
-            "APPROX_PERCENTILE": exp.ApproxQuantile.from_arg_list,
-            "BOOLEAN": lambda args: exp.Cast(
-                this=seq_get(args, 0), to=exp.DataType.build("boolean")
-            ),
-            "IIF": exp.If.from_arg_list,
-            "INT": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("int")),
-            "AGGREGATE": exp.Reduce.from_arg_list,
-            "DAYOFWEEK": lambda args: exp.DayOfWeek(
-                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
-            ),
-            "DAYOFMONTH": lambda args: exp.DayOfMonth(
-                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
-            ),
-            "DAYOFYEAR": lambda args: exp.DayOfYear(
-                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
-            ),
-            "WEEKOFYEAR": lambda args: exp.WeekOfYear(
-                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
-            ),
-            "DATE": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("date")),
-            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
-                this=seq_get(args, 1),
-                unit=exp.var(seq_get(args, 0)),
-            ),
-            "STRING": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("string")),
-            "TRUNC": lambda args: exp.DateTrunc(unit=seq_get(args, 1), this=seq_get(args, 0)),
-            "TIMESTAMP": lambda args: exp.Cast(
-                this=seq_get(args, 0), to=exp.DataType.build("timestamp")
-            ),
-        }
-
-        FUNCTION_PARSERS = {
-            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
-            "BROADCAST": lambda self: self._parse_join_hint("BROADCAST"),
-            "BROADCASTJOIN": lambda self: self._parse_join_hint("BROADCASTJOIN"),
-            "MAPJOIN": lambda self: self._parse_join_hint("MAPJOIN"),
-            "MERGE": lambda self: self._parse_join_hint("MERGE"),
-            "SHUFFLEMERGE": lambda self: self._parse_join_hint("SHUFFLEMERGE"),
-            "MERGEJOIN": lambda self: self._parse_join_hint("MERGEJOIN"),
-            "SHUFFLE_HASH": lambda self: self._parse_join_hint("SHUFFLE_HASH"),
-            "SHUFFLE_REPLICATE_NL": lambda self: self._parse_join_hint("SHUFFLE_REPLICATE_NL"),
-        }
-
-        def _parse_add_column(self) -> t.Optional[exp.Expression]:
-            return self._match_text_seq("ADD", "COLUMNS") and self._parse_schema()
-
-        def _parse_drop_column(self) -> t.Optional[exp.Expression]:
-            return self._match_text_seq("DROP", "COLUMNS") and self.expression(
-                exp.Drop,
-                this=self._parse_schema(),
-                kind="COLUMNS",
-            )
-
-        def _pivot_column_names(self, pivot_columns: t.List[exp.Expression]) -> t.List[str]:
-            # Spark doesn't add a suffix to the pivot columns when there's a single aggregation
-            if len(pivot_columns) == 1:
-                return [""]
-
-            names = []
-            for agg in pivot_columns:
-                if isinstance(agg, exp.Alias):
-                    names.append(agg.alias)
-                else:
-                    """
-                    This case corresponds to aggregations without aliases being used as suffixes
-                    (e.g. col_avg(foo)). We need to unquote identifiers because they're going to
-                    be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.
-                    Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).
-
-                    Moreover, function names are lowercased in order to mimic Spark's naming scheme.
-                    """
-                    agg_all_unquoted = agg.transform(
-                        lambda node: exp.Identifier(this=node.name, quoted=False)
-                        if isinstance(node, exp.Identifier)
-                        else node
-                    )
-                    names.append(agg_all_unquoted.sql(dialect="spark", normalize_functions="lower"))
-
-            return names
-
-    class Generator(Hive.Generator):
-        TYPE_MAPPING = {
-            **Hive.Generator.TYPE_MAPPING,  # type: ignore
-            exp.DataType.Type.TINYINT: "BYTE",
-            exp.DataType.Type.SMALLINT: "SHORT",
-            exp.DataType.Type.BIGINT: "LONG",
-        }
-
-        PROPERTIES_LOCATION = {
-            **Hive.Generator.PROPERTIES_LOCATION,  # type: ignore
-            exp.EngineProperty: exp.Properties.Location.UNSUPPORTED,
-            exp.AutoIncrementProperty: exp.Properties.Location.UNSUPPORTED,
-            exp.CharacterSetProperty: exp.Properties.Location.UNSUPPORTED,
-            exp.CollateProperty: exp.Properties.Location.UNSUPPORTED,
-        }
-
-        TRANSFORMS = {
-            **Hive.Generator.TRANSFORMS,  # type: ignore
-            exp.ApproxDistinct: rename_func("APPROX_COUNT_DISTINCT"),
-            exp.FileFormatProperty: lambda self, e: f"USING {e.name.upper()}",
-            exp.ArraySum: lambda self, e: f"AGGREGATE({self.sql(e, 'this')}, 0, (acc, x) -> acc + x, acc -> acc)",
-            exp.BitwiseLeftShift: rename_func("SHIFTLEFT"),
-            exp.BitwiseRightShift: rename_func("SHIFTRIGHT"),
-            exp.DateTrunc: lambda self, e: self.func("TRUNC", e.this, e.args.get("unit")),
-            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
-            exp.StrToDate: _str_to_date,
-            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-            exp.UnixToTime: _unix_to_time_sql,
-            exp.Create: _create_sql,
-            exp.Map: _map_sql,
-            exp.Reduce: rename_func("AGGREGATE"),
-            exp.StructKwarg: lambda self, e: f"{self.sql(e, 'this')}: {self.sql(e, 'expression')}",
-            exp.TimestampTrunc: lambda self, e: self.func(
-                "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this
-            ),
-            exp.Trim: trim_sql,
-            exp.VariancePop: rename_func("VAR_POP"),
-            exp.DateFromParts: rename_func("MAKE_DATE"),
-            exp.LogicalOr: rename_func("BOOL_OR"),
-            exp.LogicalAnd: rename_func("BOOL_AND"),
-            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-            exp.DayOfMonth: rename_func("DAYOFMONTH"),
-            exp.DayOfYear: rename_func("DAYOFYEAR"),
-            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
-            exp.AtTimeZone: lambda self, e: f"FROM_UTC_TIMESTAMP({self.sql(e, 'this')}, {self.sql(e, 'zone')})",
+            **Spark2.Parser.FUNCTIONS,  # type: ignore
+            "DATEDIFF": _parse_datediff,
         }
-        TRANSFORMS.pop(exp.ArraySort)
-        TRANSFORMS.pop(exp.ILike)
 
-        WRAP_DERIVED_VALUES = False
-        CREATE_FUNCTION_RETURN_AS = False
+    class Generator(Spark2.Generator):
+        TRANSFORMS = Spark2.Generator.TRANSFORMS.copy()
+        TRANSFORMS.pop(exp.DateDiff)
 
-        def cast_sql(self, expression: exp.Cast) -> str:
-            if isinstance(expression.this, exp.Cast) and expression.this.is_type(
-                exp.DataType.Type.JSON
-            ):
-                schema = f"'{self.sql(expression, 'to')}'"
-                return self.func("FROM_JSON", expression.this.this, schema)
-            if expression.to.is_type(exp.DataType.Type.JSON):
-                return self.func("TO_JSON", expression.this)
+        def datediff_sql(self, expression: exp.DateDiff) -> str:
+            unit = self.sql(expression, "unit")
+            end = self.sql(expression, "this")
+            start = self.sql(expression, "expression")
 
-            return super(Spark.Generator, self).cast_sql(expression)
+            if unit:
+                return self.func("DATEDIFF", unit, start, end)
 
-    class Tokenizer(Hive.Tokenizer):
-        HEX_STRINGS = [("X'", "'")]
+            return self.func("DATEDIFF", end, start)
diff --git a/sqlglot/dialects/spark2.py b/sqlglot/dialects/spark2.py
new file mode 100644
index 0000000..584671f
--- /dev/null
+++ b/sqlglot/dialects/spark2.py
@@ -0,0 +1,238 @@
+from __future__ import annotations
+
+import typing as t
+
+from sqlglot import exp, parser, transforms
+from sqlglot.dialects.dialect import create_with_partitions_sql, rename_func, trim_sql
+from sqlglot.dialects.hive import Hive
+from sqlglot.helper import seq_get
+
+
+def _create_sql(self: Hive.Generator, e: exp.Create) -> str:
+    kind = e.args["kind"]
+    properties = e.args.get("properties")
+
+    if kind.upper() == "TABLE" and any(
+        isinstance(prop, exp.TemporaryProperty)
+        for prop in (properties.expressions if properties else [])
+    ):
+        return f"CREATE TEMPORARY VIEW {self.sql(e, 'this')} AS {self.sql(e, 'expression')}"
+    return create_with_partitions_sql(self, e)
+
+
+def _map_sql(self: Hive.Generator, expression: exp.Map) -> str:
+    keys = self.sql(expression.args["keys"])
+    values = self.sql(expression.args["values"])
+    return f"MAP_FROM_ARRAYS({keys}, {values})"
+
+
+def _parse_as_cast(to_type: str) -> t.Callable[[t.Sequence], exp.Expression]:
+    return lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build(to_type))
+
+
+def _str_to_date(self: Hive.Generator, expression: exp.StrToDate) -> str:
+    this = self.sql(expression, "this")
+    time_format = self.format_time(expression)
+    if time_format == Hive.date_format:
+        return f"TO_DATE({this})"
+    return f"TO_DATE({this}, {time_format})"
+
+
+def _unix_to_time_sql(self: Hive.Generator, expression: exp.UnixToTime) -> str:
+    scale = expression.args.get("scale")
+    timestamp = self.sql(expression, "this")
+    if scale is None:
+        return f"CAST(FROM_UNIXTIME({timestamp}) AS TIMESTAMP)"
+    if scale == exp.UnixToTime.SECONDS:
+        return f"TIMESTAMP_SECONDS({timestamp})"
+    if scale == exp.UnixToTime.MILLIS:
+        return f"TIMESTAMP_MILLIS({timestamp})"
+    if scale == exp.UnixToTime.MICROS:
+        return f"TIMESTAMP_MICROS({timestamp})"
+
+    raise ValueError("Improper scale for timestamp")
+
+
+class Spark2(Hive):
+    class Parser(Hive.Parser):
+        FUNCTIONS = {
+            **Hive.Parser.FUNCTIONS,  # type: ignore
+            "MAP_FROM_ARRAYS": exp.Map.from_arg_list,
+            "TO_UNIX_TIMESTAMP": exp.StrToUnix.from_arg_list,
+            "LEFT": lambda args: exp.Substring(
+                this=seq_get(args, 0),
+                start=exp.Literal.number(1),
+                length=seq_get(args, 1),
+            ),
+            "SHIFTLEFT": lambda args: exp.BitwiseLeftShift(
+                this=seq_get(args, 0),
+                expression=seq_get(args, 1),
+            ),
+            "SHIFTRIGHT": lambda args: exp.BitwiseRightShift(
+                this=seq_get(args, 0),
+                expression=seq_get(args, 1),
+            ),
+            "RIGHT": lambda args: exp.Substring(
+                this=seq_get(args, 0),
+                start=exp.Sub(
+                    this=exp.Length(this=seq_get(args, 0)),
+                    expression=exp.Add(this=seq_get(args, 1), expression=exp.Literal.number(1)),
+                ),
+                length=seq_get(args, 1),
+            ),
+            "APPROX_PERCENTILE": exp.ApproxQuantile.from_arg_list,
+            "IIF": exp.If.from_arg_list,
+            "AGGREGATE": exp.Reduce.from_arg_list,
+            "DAYOFWEEK": lambda args: exp.DayOfWeek(
+                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
+            ),
+            "DAYOFMONTH": lambda args: exp.DayOfMonth(
+                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
+            ),
+            "DAYOFYEAR": lambda args: exp.DayOfYear(
+                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
+            ),
+            "WEEKOFYEAR": lambda args: exp.WeekOfYear(
+                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
+            ),
+            "DATE": lambda args: exp.Cast(this=seq_get(args, 0), to=exp.DataType.build("date")),
+            "DATE_TRUNC": lambda args: exp.TimestampTrunc(
+                this=seq_get(args, 1),
+                unit=exp.var(seq_get(args, 0)),
+            ),
+            "TRUNC": lambda args: exp.DateTrunc(unit=seq_get(args, 1), this=seq_get(args, 0)),
+            "BOOLEAN": _parse_as_cast("boolean"),
+            "DOUBLE": _parse_as_cast("double"),
+            "FLOAT": _parse_as_cast("float"),
+            "INT": _parse_as_cast("int"),
+            "STRING": _parse_as_cast("string"),
+            "TIMESTAMP": _parse_as_cast("timestamp"),
+        }
+
+        FUNCTION_PARSERS = {
+            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
+            "BROADCAST": lambda self: self._parse_join_hint("BROADCAST"),
+            "BROADCASTJOIN": lambda self: self._parse_join_hint("BROADCASTJOIN"),
+            "MAPJOIN": lambda self: self._parse_join_hint("MAPJOIN"),
+            "MERGE": lambda self: self._parse_join_hint("MERGE"),
+            "SHUFFLEMERGE": lambda self: self._parse_join_hint("SHUFFLEMERGE"),
+            "MERGEJOIN": lambda self: self._parse_join_hint("MERGEJOIN"),
+            "SHUFFLE_HASH": lambda self: self._parse_join_hint("SHUFFLE_HASH"),
+            "SHUFFLE_REPLICATE_NL": lambda self: self._parse_join_hint("SHUFFLE_REPLICATE_NL"),
+        }
+
+        def _parse_add_column(self) -> t.Optional[exp.Expression]:
+            return self._match_text_seq("ADD", "COLUMNS") and self._parse_schema()
+
+        def _parse_drop_column(self) -> t.Optional[exp.Expression]:
+            return self._match_text_seq("DROP", "COLUMNS") and self.expression(
+                exp.Drop,
+                this=self._parse_schema(),
+                kind="COLUMNS",
+            )
+
+        def _pivot_column_names(self, pivot_columns: t.List[exp.Expression]) -> t.List[str]:
+            # Spark doesn't add a suffix to the pivot columns when there's a single aggregation
+            if len(pivot_columns) == 1:
+                return [""]
+
+            names = []
+            for agg in pivot_columns:
+                if isinstance(agg, exp.Alias):
+                    names.append(agg.alias)
+                else:
+                    """
+                    This case corresponds to aggregations without aliases being used as suffixes
+                    (e.g. col_avg(foo)). We need to unquote identifiers because they're going to
+                    be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.
+                    Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).
+
+                    Moreover, function names are lowercased in order to mimic Spark's naming scheme.
+                    """
+                    agg_all_unquoted = agg.transform(
+                        lambda node: exp.Identifier(this=node.name, quoted=False)
+                        if isinstance(node, exp.Identifier)
+                        else node
+                    )
+                    names.append(agg_all_unquoted.sql(dialect="spark", normalize_functions="lower"))
+
+            return names
+
+    class Generator(Hive.Generator):
+        TYPE_MAPPING = {
+            **Hive.Generator.TYPE_MAPPING,  # type: ignore
+            exp.DataType.Type.TINYINT: "BYTE",
+            exp.DataType.Type.SMALLINT: "SHORT",
+            exp.DataType.Type.BIGINT: "LONG",
+        }
+
+        PROPERTIES_LOCATION = {
+            **Hive.Generator.PROPERTIES_LOCATION,  # type: ignore
+            exp.EngineProperty: exp.Properties.Location.UNSUPPORTED,
+            exp.AutoIncrementProperty: exp.Properties.Location.UNSUPPORTED,
+            exp.CharacterSetProperty: exp.Properties.Location.UNSUPPORTED,
+            exp.CollateProperty: exp.Properties.Location.UNSUPPORTED,
+        }
+
+        TRANSFORMS = {
+            **Hive.Generator.TRANSFORMS,  # type: ignore
+            exp.ApproxDistinct: rename_func("APPROX_COUNT_DISTINCT"),
+            exp.ArraySum: lambda self, e: f"AGGREGATE({self.sql(e, 'this')}, 0, (acc, x) -> acc + x, acc -> acc)",
+            exp.AtTimeZone: lambda self, e: f"FROM_UTC_TIMESTAMP({self.sql(e, 'this')}, {self.sql(e, 'zone')})",
+            exp.BitwiseLeftShift: rename_func("SHIFTLEFT"),
+            exp.BitwiseRightShift: rename_func("SHIFTRIGHT"),
+            exp.Create: _create_sql,
+            exp.DateFromParts: rename_func("MAKE_DATE"),
+            exp.DateTrunc: lambda self, e: self.func("TRUNC", e.this, e.args.get("unit")),
+            exp.DayOfMonth: rename_func("DAYOFMONTH"),
+            exp.DayOfWeek: rename_func("DAYOFWEEK"),
+            exp.DayOfYear: rename_func("DAYOFYEAR"),
+            exp.FileFormatProperty: lambda self, e: f"USING {e.name.upper()}",
+            exp.Hint: lambda self, e: f" /*+ {self.expressions(e).strip()} */",
+            exp.LogicalAnd: rename_func("BOOL_AND"),
+            exp.LogicalOr: rename_func("BOOL_OR"),
+            exp.Map: _map_sql,
+            exp.Pivot: transforms.preprocess([transforms.unqualify_pivot_columns]),
+            exp.Reduce: rename_func("AGGREGATE"),
+            exp.StrToDate: _str_to_date,
+            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+            exp.TimestampTrunc: lambda self, e: self.func(
+                "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this
+            ),
+            exp.Trim: trim_sql,
+            exp.UnixToTime: _unix_to_time_sql,
+            exp.VariancePop: rename_func("VAR_POP"),
+            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
+            exp.WithinGroup: transforms.preprocess(
+                [transforms.remove_within_group_for_percentiles]
+            ),
+        }
+        TRANSFORMS.pop(exp.ArrayJoin)
+        TRANSFORMS.pop(exp.ArraySort)
+        TRANSFORMS.pop(exp.ILike)
+
+        WRAP_DERIVED_VALUES = False
+        CREATE_FUNCTION_RETURN_AS = False
+
+        def cast_sql(self, expression: exp.Cast) -> str:
+            if isinstance(expression.this, exp.Cast) and expression.this.is_type(
+                exp.DataType.Type.JSON
+            ):
+                schema = f"'{self.sql(expression, 'to')}'"
+                return self.func("FROM_JSON", expression.this.this, schema)
+            if expression.to.is_type(exp.DataType.Type.JSON):
+                return self.func("TO_JSON", expression.this)
+
+            return super(Hive.Generator, self).cast_sql(expression)
+
+        def columndef_sql(self, expression: exp.ColumnDef, sep: str = " ") -> str:
+            return super().columndef_sql(
+                expression,
+                sep=": "
+                if isinstance(expression.parent, exp.DataType)
+                and expression.parent.is_type(exp.DataType.Type.STRUCT)
+                else sep,
+            )
+
+    class Tokenizer(Hive.Tokenizer):
+        HEX_STRINGS = [("X'", "'")]
diff --git a/sqlglot/dialects/sqlite.py b/sqlglot/dialects/sqlite.py
index 4437f82..f2efe32 100644
--- a/sqlglot/dialects/sqlite.py
+++ b/sqlglot/dialects/sqlite.py
@@ -22,6 +22,40 @@ def _date_add_sql(self, expression):
     return self.func("DATE", expression.this, modifier)
 
 
+def _transform_create(expression: exp.Expression) -> exp.Expression:
+    """Move primary key to a column and enforce auto_increment on primary keys."""
+    schema = expression.this
+
+    if isinstance(expression, exp.Create) and isinstance(schema, exp.Schema):
+        defs = {}
+        primary_key = None
+
+        for e in schema.expressions:
+            if isinstance(e, exp.ColumnDef):
+                defs[e.name] = e
+            elif isinstance(e, exp.PrimaryKey):
+                primary_key = e
+
+        if primary_key and len(primary_key.expressions) == 1:
+            column = defs[primary_key.expressions[0].name]
+            column.append(
+                "constraints", exp.ColumnConstraint(kind=exp.PrimaryKeyColumnConstraint())
+            )
+            schema.expressions.remove(primary_key)
+        else:
+            for column in defs.values():
+                auto_increment = None
+                for constraint in column.constraints.copy():
+                    if isinstance(constraint.kind, exp.PrimaryKeyColumnConstraint):
+                        break
+                    if isinstance(constraint.kind, exp.AutoIncrementColumnConstraint):
+                        auto_increment = constraint
+                if auto_increment:
+                    column.constraints.remove(auto_increment)
+
+    return expression
+
+
 class SQLite(Dialect):
     class Tokenizer(tokens.Tokenizer):
         IDENTIFIERS = ['"', ("[", "]"), "`"]
@@ -65,8 +99,8 @@ class SQLite(Dialect):
 
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,  # type: ignore
-            **transforms.ELIMINATE_QUALIFY,  # type: ignore
             exp.CountIf: count_if_to_sum,
+            exp.Create: transforms.preprocess([_transform_create]),
             exp.CurrentDate: lambda *_: "CURRENT_DATE",
             exp.CurrentTime: lambda *_: "CURRENT_TIME",
             exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
@@ -80,14 +114,17 @@ class SQLite(Dialect):
             exp.Levenshtein: rename_func("EDITDIST3"),
             exp.LogicalOr: rename_func("MAX"),
             exp.LogicalAnd: rename_func("MIN"),
+            exp.Select: transforms.preprocess(
+                [transforms.eliminate_distinct_on, transforms.eliminate_qualify]
+            ),
             exp.TableSample: no_tablesample_sql,
             exp.TimeStrToTime: lambda self, e: self.sql(e, "this"),
             exp.TryCast: no_trycast_sql,
         }
 
         PROPERTIES_LOCATION = {
-            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
+            k: exp.Properties.Location.UNSUPPORTED
+            for k, v in generator.Generator.PROPERTIES_LOCATION.items()
         }
 
         LIMIT_FETCH = "LIMIT"
diff --git a/sqlglot/dialects/starrocks.py b/sqlglot/dialects/starrocks.py
index ff19dab..895588a 100644
--- a/sqlglot/dialects/starrocks.py
+++ b/sqlglot/dialects/starrocks.py
@@ -34,6 +34,7 @@ class StarRocks(MySQL):
             exp.JSONExtractScalar: arrow_json_extract_sql,
             exp.JSONExtract: arrow_json_extract_sql,
             exp.DateDiff: rename_func("DATEDIFF"),
+            exp.RegexpLike: rename_func("REGEXP"),
             exp.StrToUnix: lambda self, e: f"UNIX_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
             exp.TimestampTrunc: lambda self, e: self.func(
                 "DATE_TRUNC", exp.Literal.string(e.text("unit")), e.this
diff --git a/sqlglot/dialects/tableau.py b/sqlglot/dialects/tableau.py
index 792c2b4..51e685b 100644
--- a/sqlglot/dialects/tableau.py
+++ b/sqlglot/dialects/tableau.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from sqlglot import exp, generator, parser
+from sqlglot import exp, generator, parser, transforms
 from sqlglot.dialects.dialect import Dialect
 
 
@@ -29,6 +29,7 @@ class Tableau(Dialect):
             exp.If: _if_sql,
             exp.Coalesce: _coalesce_sql,
             exp.Count: _count_sql,
+            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
         }
 
         PROPERTIES_LOCATION = {
diff --git a/sqlglot/dialects/teradata.py b/sqlglot/dialects/teradata.py
index 331e105..a79eaeb 100644
--- a/sqlglot/dialects/teradata.py
+++ b/sqlglot/dialects/teradata.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 import typing as t
 
-from sqlglot import exp, generator, parser, tokens
+from sqlglot import exp, generator, parser, tokens, transforms
 from sqlglot.dialects.dialect import (
     Dialect,
     format_time_lambda,
@@ -148,6 +148,7 @@ class Teradata(Dialect):
             **generator.Generator.TRANSFORMS,
             exp.Max: max_or_greatest,
             exp.Min: min_or_least,
+            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
             exp.TimeToStr: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE FORMAT {self.format_time(e)})",
             exp.ToChar: lambda self, e: self.function_fallback_sql(e),
         }
diff --git a/sqlglot/dialects/tsql.py b/sqlglot/dialects/tsql.py
index 9cf56e1..03de99c 100644
--- a/sqlglot/dialects/tsql.py
+++ b/sqlglot/dialects/tsql.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 import re
 import typing as t
 
-from sqlglot import exp, generator, parser, tokens
+from sqlglot import exp, generator, parser, tokens, transforms
 from sqlglot.dialects.dialect import (
     Dialect,
     max_or_greatest,
@@ -259,8 +259,8 @@ class TSQL(Dialect):
 
     class Tokenizer(tokens.Tokenizer):
         IDENTIFIERS = ['"', ("[", "]")]
-
         QUOTES = ["'", '"']
+        HEX_STRINGS = [("0x", ""), ("0X", "")]
 
         KEYWORDS = {
             **tokens.Tokenizer.KEYWORDS,
@@ -463,17 +463,18 @@ class TSQL(Dialect):
             exp.DateDiff: generate_date_delta_with_unit_sql,
             exp.CurrentDate: rename_func("GETDATE"),
             exp.CurrentTimestamp: rename_func("GETDATE"),
-            exp.If: rename_func("IIF"),
-            exp.NumberToStr: _format_sql,
-            exp.TimeToStr: _format_sql,
             exp.GroupConcat: _string_agg_sql,
+            exp.If: rename_func("IIF"),
             exp.Max: max_or_greatest,
             exp.MD5: lambda self, e: self.func("HASHBYTES", exp.Literal.string("MD5"), e.this),
             exp.Min: min_or_least,
+            exp.NumberToStr: _format_sql,
+            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
             exp.SHA: lambda self, e: self.func("HASHBYTES", exp.Literal.string("SHA1"), e.this),
             exp.SHA2: lambda self, e: self.func(
                 "HASHBYTES", exp.Literal.string(f"SHA2_{e.args.get('length', 256)}"), e.this
             ),
+            exp.TimeToStr: _format_sql,
         }
 
         TRANSFORMS.pop(exp.ReturnsProperty)
diff --git a/sqlglot/expressions.py b/sqlglot/expressions.py
index 49d3ff6..9e7379d 100644
--- a/sqlglot/expressions.py
+++ b/sqlglot/expressions.py
@@ -64,6 +64,13 @@ class Expression(metaclass=_Expression):
             and representing expressions as strings.
         arg_types: determines what arguments (child nodes) are supported by an expression. It
             maps arg keys to booleans that indicate whether the corresponding args are optional.
+        parent: a reference to the parent expression (or None, in case of root expressions).
+        arg_key: the arg key an expression is associated with, i.e. the name its parent expression
+            uses to refer to it.
+        comments: a list of comments that are associated with a given expression. This is used in
+            order to preserve comments when transpiling SQL code.
+        _type: the `sqlglot.expressions.DataType` type of an expression. This is inferred by the
+            optimizer, in order to enable some transformations that require type information.
 
     Example:
         >>> class Foo(Expression):
@@ -74,13 +81,6 @@ class Expression(metaclass=_Expression):
 
     Args:
         args: a mapping used for retrieving the arguments of an expression, given their arg keys.
-        parent: a reference to the parent expression (or None, in case of root expressions).
-        arg_key: the arg key an expression is associated with, i.e. the name its parent expression
-            uses to refer to it.
-        comments: a list of comments that are associated with a given expression. This is used in
-            order to preserve comments when transpiling SQL code.
-        _type: the `sqlglot.expressions.DataType` type of an expression. This is inferred by the
-            optimizer, in order to enable some transformations that require type information.
     """
 
     key = "expression"
@@ -258,6 +258,12 @@ class Expression(metaclass=_Expression):
         new.parent = self.parent
         return new
 
+    def add_comments(self, comments: t.Optional[t.List[str]]) -> None:
+        if self.comments is None:
+            self.comments = []
+        if comments:
+            self.comments.extend(comments)
+
     def append(self, arg_key, value):
         """
         Appends value to arg_key if it's a list or sets it as a new list.
@@ -650,7 +656,7 @@ ExpOrStr = t.Union[str, Expression]
 
 
 class Condition(Expression):
-    def and_(self, *expressions, dialect=None, **opts):
+    def and_(self, *expressions, dialect=None, copy=True, **opts):
         """
         AND this condition with one or multiple expressions.
 
@@ -662,14 +668,15 @@ class Condition(Expression):
             *expressions (str | Expression): the SQL code strings to parse.
                 If an `Expression` instance is passed, it will be used as-is.
             dialect (str): the dialect used to parse the input expression.
+            copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
             opts (kwargs): other options to use to parse the input expressions.
 
         Returns:
             And: the new condition.
         """
-        return and_(self, *expressions, dialect=dialect, **opts)
+        return and_(self, *expressions, dialect=dialect, copy=copy, **opts)
 
-    def or_(self, *expressions, dialect=None, **opts):
+    def or_(self, *expressions, dialect=None, copy=True, **opts):
         """
         OR this condition with one or multiple expressions.
 
@@ -681,14 +688,15 @@ class Condition(Expression):
             *expressions (str | Expression): the SQL code strings to parse.
                 If an `Expression` instance is passed, it will be used as-is.
             dialect (str): the dialect used to parse the input expression.
+            copy (bool): whether or not to copy the involved expressions (only applies to Expressions).
             opts (kwargs): other options to use to parse the input expressions.
 
         Returns:
             Or: the new condition.
         """
-        return or_(self, *expressions, dialect=dialect, **opts)
+        return or_(self, *expressions, dialect=dialect, copy=copy, **opts)
 
-    def not_(self):
+    def not_(self, copy=True):
         """
         Wrap this condition with NOT.
 
@@ -696,14 +704,17 @@ class Condition(Expression):
             >>> condition("x=1").not_().sql()
             'NOT x = 1'
 
+        Args:
+            copy (bool): whether or not to copy this object.
+
         Returns:
             Not: the new condition.
         """
-        return not_(self)
+        return not_(self, copy=copy)
 
     def _binop(self, klass: t.Type[E], other: ExpOrStr, reverse=False) -> E:
-        this = self
-        other = convert(other)
+        this = self.copy()
+        other = convert(other, copy=True)
         if not isinstance(this, klass) and not isinstance(other, klass):
             this = _wrap(this, Binary)
             other = _wrap(other, Binary)
@@ -711,20 +722,25 @@ class Condition(Expression):
             return klass(this=other, expression=this)
         return klass(this=this, expression=other)
 
-    def __getitem__(self, other: ExpOrStr | slice | t.Tuple[ExpOrStr]):
-        if isinstance(other, slice):
-            return Between(
-                this=self,
-                low=convert(other.start),
-                high=convert(other.stop),
-            )
-        return Bracket(this=self, expressions=[convert(e) for e in ensure_list(other)])
+    def __getitem__(self, other: ExpOrStr | t.Tuple[ExpOrStr]):
+        return Bracket(
+            this=self.copy(), expressions=[convert(e, copy=True) for e in ensure_list(other)]
+        )
 
-    def isin(self, *expressions: ExpOrStr, query: t.Optional[ExpOrStr] = None, **opts) -> In:
+    def isin(
+        self, *expressions: t.Any, query: t.Optional[ExpOrStr] = None, copy=True, **opts
+    ) -> In:
         return In(
-            this=self,
-            expressions=[convert(e) for e in expressions],
-            query=maybe_parse(query, **opts) if query else None,
+            this=_maybe_copy(self, copy),
+            expressions=[convert(e, copy=copy) for e in expressions],
+            query=maybe_parse(query, copy=copy, **opts) if query else None,
+        )
+
+    def between(self, low: t.Any, high: t.Any, copy=True, **opts) -> Between:
+        return Between(
+            this=_maybe_copy(self, copy),
+            low=convert(low, copy=copy, **opts),
+            high=convert(high, copy=copy, **opts),
         )
 
     def like(self, other: ExpOrStr) -> Like:
@@ -809,10 +825,10 @@ class Condition(Expression):
         return self._binop(Or, other, reverse=True)
 
     def __neg__(self) -> Neg:
-        return Neg(this=_wrap(self, Binary))
+        return Neg(this=_wrap(self.copy(), Binary))
 
     def __invert__(self) -> Not:
-        return not_(self)
+        return not_(self.copy())
 
 
 class Predicate(Condition):
@@ -830,11 +846,7 @@ class DerivedTable(Expression):
 
     @property
     def selects(self):
-        alias = self.args.get("alias")
-
-        if alias:
-            return alias.columns
-        return []
+        return self.this.selects if isinstance(self.this, Subqueryable) else []
 
     @property
     def named_selects(self):
@@ -904,7 +916,10 @@ class Unionable(Expression):
 
 
 class UDTF(DerivedTable, Unionable):
-    pass
+    @property
+    def selects(self):
+        alias = self.args.get("alias")
+        return alias.columns if alias else []
 
 
 class Cache(Expression):
@@ -1073,6 +1088,10 @@ class ColumnDef(Expression):
         "position": False,
     }
 
+    @property
+    def constraints(self) -> t.List[ColumnConstraint]:
+        return self.args.get("constraints") or []
+
 
 class AlterColumn(Expression):
     arg_types = {
@@ -1100,6 +1119,10 @@ class Comment(Expression):
 class ColumnConstraint(Expression):
     arg_types = {"this": False, "kind": True}
 
+    @property
+    def kind(self) -> ColumnConstraintKind:
+        return self.args["kind"]
+
 
 class ColumnConstraintKind(Expression):
     pass
@@ -1937,6 +1960,15 @@ class Reference(Expression):
 class Tuple(Expression):
     arg_types = {"expressions": False}
 
+    def isin(
+        self, *expressions: t.Any, query: t.Optional[ExpOrStr] = None, copy=True, **opts
+    ) -> In:
+        return In(
+            this=_maybe_copy(self, copy),
+            expressions=[convert(e, copy=copy) for e in expressions],
+            query=maybe_parse(query, copy=copy, **opts) if query else None,
+        )
+
 
 class Subqueryable(Unionable):
     def subquery(self, alias=None, copy=True) -> Subquery:
@@ -2236,6 +2268,8 @@ class Select(Subqueryable):
         "expressions": False,
         "hint": False,
         "distinct": False,
+        "struct": False,  # https://cloud.google.com/bigquery/docs/reference/standard-sql/query-syntax#return_query_results_as_a_value_table
+        "value": False,
         "into": False,
         "from": False,
         **QUERY_MODIFIERS,
@@ -2611,7 +2645,7 @@ class Select(Subqueryable):
                 join.set("kind", kind.text)
 
         if on:
-            on = and_(*ensure_collection(on), dialect=dialect, **opts)
+            on = and_(*ensure_collection(on), dialect=dialect, copy=copy, **opts)
             join.set("on", on)
 
         if using:
@@ -2723,7 +2757,7 @@ class Select(Subqueryable):
             **opts,
         )
 
-    def distinct(self, distinct=True, copy=True) -> Select:
+    def distinct(self, *ons: ExpOrStr, distinct: bool = True, copy: bool = True) -> Select:
         """
         Set the OFFSET expression.
 
@@ -2732,14 +2766,16 @@ class Select(Subqueryable):
             'SELECT DISTINCT x FROM tbl'
 
         Args:
-            distinct (bool): whether the Select should be distinct
-            copy (bool): if `False`, modify this expression instance in-place.
+            ons: the expressions to distinct on
+            distinct: whether the Select should be distinct
+            copy: if `False`, modify this expression instance in-place.
 
         Returns:
             Select: the modified expression.
         """
         instance = _maybe_copy(self, copy)
-        instance.set("distinct", Distinct() if distinct else None)
+        on = Tuple(expressions=[maybe_parse(on, copy=copy) for on in ons]) if ons else None
+        instance.set("distinct", Distinct(on=on) if distinct else None)
         return instance
 
     def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
@@ -2969,6 +3005,10 @@ class DataType(Expression):
         USMALLINT = auto()
         BIGINT = auto()
         UBIGINT = auto()
+        INT128 = auto()
+        UINT128 = auto()
+        INT256 = auto()
+        UINT256 = auto()
         FLOAT = auto()
         DOUBLE = auto()
         DECIMAL = auto()
@@ -3022,6 +3062,8 @@ class DataType(Expression):
         Type.TINYINT,
         Type.SMALLINT,
         Type.BIGINT,
+        Type.INT128,
+        Type.INT256,
     }
 
     FLOAT_TYPES = {
@@ -3069,10 +3111,6 @@ class PseudoType(Expression):
     pass
 
 
-class StructKwarg(Expression):
-    arg_types = {"this": True, "expression": True}
-
-
 # WHERE x  EXISTS|ALL|ANY|SOME(SELECT ...)
 class SubqueryPredicate(Predicate):
     pass
@@ -3538,14 +3576,20 @@ class Case(Func):
     arg_types = {"this": False, "ifs": True, "default": False}
 
     def when(self, condition: ExpOrStr, then: ExpOrStr, copy: bool = True, **opts) -> Case:
-        this = self.copy() if copy else self
-        this.append("ifs", If(this=maybe_parse(condition, **opts), true=maybe_parse(then, **opts)))
-        return this
+        instance = _maybe_copy(self, copy)
+        instance.append(
+            "ifs",
+            If(
+                this=maybe_parse(condition, copy=copy, **opts),
+                true=maybe_parse(then, copy=copy, **opts),
+            ),
+        )
+        return instance
 
     def else_(self, condition: ExpOrStr, copy: bool = True, **opts) -> Case:
-        this = self.copy() if copy else self
-        this.set("default", maybe_parse(condition, **opts))
-        return this
+        instance = _maybe_copy(self, copy)
+        instance.set("default", maybe_parse(condition, copy=copy, **opts))
+        return instance
 
 
 class Cast(Func):
@@ -3760,6 +3804,14 @@ class Floor(Func):
     arg_types = {"this": True, "decimals": False}
 
 
+class FromBase64(Func):
+    pass
+
+
+class ToBase64(Func):
+    pass
+
+
 class Greatest(Func):
     arg_types = {"this": True, "expressions": False}
     is_var_len_args = True
@@ -3930,11 +3982,11 @@ class Pow(Binary, Func):
 
 
 class PercentileCont(AggFunc):
-    pass
+    arg_types = {"this": True, "expression": False}
 
 
 class PercentileDisc(AggFunc):
-    pass
+    arg_types = {"this": True, "expression": False}
 
 
 class Quantile(AggFunc):
@@ -4405,14 +4457,16 @@ def _apply_conjunction_builder(
     if append and existing is not None:
         expressions = [existing.this if into else existing] + list(expressions)
 
-    node = and_(*expressions, dialect=dialect, **opts)
+    node = and_(*expressions, dialect=dialect, copy=copy, **opts)
 
     inst.set(arg, into(this=node) if into else node)
     return inst
 
 
-def _combine(expressions, operator, dialect=None, **opts):
-    expressions = [condition(expression, dialect=dialect, **opts) for expression in expressions]
+def _combine(expressions, operator, dialect=None, copy=True, **opts):
+    expressions = [
+        condition(expression, dialect=dialect, copy=copy, **opts) for expression in expressions
+    ]
     this = expressions[0]
     if expressions[1:]:
         this = _wrap(this, Connector)
@@ -4626,7 +4680,7 @@ def delete(
     return delete_expr
 
 
-def condition(expression, dialect=None, **opts) -> Condition:
+def condition(expression, dialect=None, copy=True, **opts) -> Condition:
     """
     Initialize a logical condition expression.
 
@@ -4645,6 +4699,7 @@ def condition(expression, dialect=None, **opts) -> Condition:
             If an Expression instance is passed, this is used as-is.
         dialect (str): the dialect used to parse the input expression (in the case that the
             input expression is a SQL string).
+        copy (bool): Whether or not to copy `expression` (only applies to expressions).
         **opts: other options to use to parse the input expressions (again, in the case
             that the input expression is a SQL string).
 
@@ -4655,11 +4710,12 @@ def condition(expression, dialect=None, **opts) -> Condition:
         expression,
         into=Condition,
         dialect=dialect,
+        copy=copy,
         **opts,
     )
 
 
-def and_(*expressions, dialect=None, **opts) -> And:
+def and_(*expressions, dialect=None, copy=True, **opts) -> And:
     """
     Combine multiple conditions with an AND logical operator.
 
@@ -4671,15 +4727,16 @@ def and_(*expressions, dialect=None, **opts) -> And:
         *expressions (str | Expression): the SQL code strings to parse.
             If an Expression instance is passed, this is used as-is.
         dialect (str): the dialect used to parse the input expression.
+        copy (bool): whether or not to copy `expressions` (only applies to Expressions).
         **opts: other options to use to parse the input expressions.
 
     Returns:
         And: the new condition
     """
-    return _combine(expressions, And, dialect, **opts)
+    return _combine(expressions, And, dialect, copy=copy, **opts)
 
 
-def or_(*expressions, dialect=None, **opts) -> Or:
+def or_(*expressions, dialect=None, copy=True, **opts) -> Or:
     """
     Combine multiple conditions with an OR logical operator.
 
@@ -4691,15 +4748,16 @@ def or_(*expressions, dialect=None, **opts) -> Or:
         *expressions (str | Expression): the SQL code strings to parse.
             If an Expression instance is passed, this is used as-is.
         dialect (str): the dialect used to parse the input expression.
+        copy (bool): whether or not to copy `expressions` (only applies to Expressions).
         **opts: other options to use to parse the input expressions.
 
     Returns:
         Or: the new condition
     """
-    return _combine(expressions, Or, dialect, **opts)
+    return _combine(expressions, Or, dialect, copy=copy, **opts)
 
 
-def not_(expression, dialect=None, **opts) -> Not:
+def not_(expression, dialect=None, copy=True, **opts) -> Not:
     """
     Wrap a condition with a NOT operator.
 
@@ -4719,13 +4777,14 @@ def not_(expression, dialect=None, **opts) -> Not:
     this = condition(
         expression,
         dialect=dialect,
+        copy=copy,
         **opts,
     )
     return Not(this=_wrap(this, Connector))
 
 
-def paren(expression) -> Paren:
-    return Paren(this=expression)
+def paren(expression, copy=True) -> Paren:
+    return Paren(this=_maybe_copy(expression, copy))
 
 
 SAFE_IDENTIFIER_RE = re.compile(r"^[_a-zA-Z][\w]*$")
@@ -4998,29 +5057,20 @@ def values(
         alias: optional alias
         columns: Optional list of ordered column names or ordered dictionary of column names to types.
          If either are provided then an alias is also required.
-         If a dictionary is provided then the first column of the values will be casted to the expected type
-         in order to help with type inference.
 
     Returns:
         Values: the Values expression object
     """
     if columns and not alias:
         raise ValueError("Alias is required when providing columns")
-    table_alias = (
-        TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns])
-        if columns
-        else TableAlias(this=to_identifier(alias) if alias else None)
-    )
-    expressions = [convert(tup) for tup in values]
-    if columns and isinstance(columns, dict):
-        types = list(columns.values())
-        expressions[0].set(
-            "expressions",
-            [cast(x, types[i]) for i, x in enumerate(expressions[0].expressions)],
-        )
+
     return Values(
-        expressions=expressions,
-        alias=table_alias,
+        expressions=[convert(tup) for tup in values],
+        alias=(
+            TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns])
+            if columns
+            else (TableAlias(this=to_identifier(alias)) if alias else None)
+        ),
     )
 
 
@@ -5068,19 +5118,20 @@ def rename_table(old_name: str | Table, new_name: str | Table) -> AlterTable:
     )
 
 
-def convert(value) -> Expression:
+def convert(value: t.Any, copy: bool = False) -> Expression:
     """Convert a python value into an expression object.
 
     Raises an error if a conversion is not possible.
 
     Args:
-        value (Any): a python object
+        value: A python object.
+        copy: Whether or not to copy `value` (only applies to Expressions and collections).
 
     Returns:
-        Expression: the equivalent expression object
+        Expression: the equivalent expression object.
     """
     if isinstance(value, Expression):
-        return value
+        return _maybe_copy(value, copy)
     if isinstance(value, str):
         return Literal.string(value)
     if isinstance(value, bool):
@@ -5098,13 +5149,13 @@ def convert(value) -> Expression:
         date_literal = Literal.string(value.strftime("%Y-%m-%d"))
         return DateStrToDate(this=date_literal)
     if isinstance(value, tuple):
-        return Tuple(expressions=[convert(v) for v in value])
+        return Tuple(expressions=[convert(v, copy=copy) for v in value])
     if isinstance(value, list):
-        return Array(expressions=[convert(v) for v in value])
+        return Array(expressions=[convert(v, copy=copy) for v in value])
     if isinstance(value, dict):
         return Map(
-            keys=[convert(k) for k in value],
-            values=[convert(v) for v in value.values()],
+            keys=[convert(k, copy=copy) for k in value],
+            values=[convert(v, copy=copy) for v in value.values()],
         )
     raise ValueError(f"Cannot convert {value}")
 
diff --git a/sqlglot/generator.py b/sqlglot/generator.py
index bd12d54..d7dcea0 100644
--- a/sqlglot/generator.py
+++ b/sqlglot/generator.py
@@ -25,6 +25,12 @@ class Generator:
         quote_end (str): specifies which ending character to use to delimit quotes. Default: '.
         identifier_start (str): specifies which starting character to use to delimit identifiers. Default: ".
         identifier_end (str): specifies which ending character to use to delimit identifiers. Default: ".
+        bit_start (str): specifies which starting character to use to delimit bit literals. Default: None.
+        bit_end (str): specifies which ending character to use to delimit bit literals. Default: None.
+        hex_start (str): specifies which starting character to use to delimit hex literals. Default: None.
+        hex_end (str): specifies which ending character to use to delimit hex literals. Default: None.
+        byte_start (str): specifies which starting character to use to delimit byte literals. Default: None.
+        byte_end (str): specifies which ending character to use to delimit byte literals. Default: None.
         identify (bool | str): 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.
         normalize (bool): if set to True all identifiers will lower cased
         string_escape (str): specifies a string escape character. Default: '.
@@ -227,6 +233,12 @@ class Generator:
         "quote_end",
         "identifier_start",
         "identifier_end",
+        "bit_start",
+        "bit_end",
+        "hex_start",
+        "hex_end",
+        "byte_start",
+        "byte_end",
         "identify",
         "normalize",
         "string_escape",
@@ -258,6 +270,12 @@ class Generator:
         quote_end=None,
         identifier_start=None,
         identifier_end=None,
+        bit_start=None,
+        bit_end=None,
+        hex_start=None,
+        hex_end=None,
+        byte_start=None,
+        byte_end=None,
         identify=False,
         normalize=False,
         string_escape=None,
@@ -284,6 +302,12 @@ class Generator:
         self.quote_end = quote_end or "'"
         self.identifier_start = identifier_start or '"'
         self.identifier_end = identifier_end or '"'
+        self.bit_start = bit_start
+        self.bit_end = bit_end
+        self.hex_start = hex_start
+        self.hex_end = hex_end
+        self.byte_start = byte_start
+        self.byte_end = byte_end
         self.identify = identify
         self.normalize = normalize
         self.string_escape = string_escape or "'"
@@ -361,7 +385,7 @@ class Generator:
         expression: t.Optional[exp.Expression] = None,
         comments: t.Optional[t.List[str]] = None,
     ) -> str:
-        comments = (comments or (expression and expression.comments)) if self._comments else None  # type: ignore
+        comments = ((expression and expression.comments) if comments is None else comments) if self._comments else None  # type: ignore
 
         if not comments or isinstance(expression, exp.Binary):
             return sql
@@ -510,12 +534,12 @@ class Generator:
         position = self.sql(expression, "position")
         return f"{position}{this}"
 
-    def columndef_sql(self, expression: exp.ColumnDef) -> str:
+    def columndef_sql(self, expression: exp.ColumnDef, sep: str = " ") -> str:
         column = self.sql(expression, "this")
         kind = self.sql(expression, "kind")
         constraints = self.expressions(expression, key="constraints", sep=" ", flat=True)
         exists = "IF NOT EXISTS " if expression.args.get("exists") else ""
-        kind = f" {kind}" if kind else ""
+        kind = f"{sep}{kind}" if kind else ""
         constraints = f" {constraints}" if constraints else ""
         position = self.sql(expression, "position")
         position = f" {position}" if position else ""
@@ -524,7 +548,7 @@ class Generator:
 
     def columnconstraint_sql(self, expression: exp.ColumnConstraint) -> str:
         this = self.sql(expression, "this")
-        kind_sql = self.sql(expression, "kind")
+        kind_sql = self.sql(expression, "kind").strip()
         return f"CONSTRAINT {this} {kind_sql}" if this else kind_sql
 
     def autoincrementcolumnconstraint_sql(self, _) -> str:
@@ -716,13 +740,22 @@ class Generator:
         return f"{alias}{columns}"
 
     def bitstring_sql(self, expression: exp.BitString) -> str:
-        return self.sql(expression, "this")
+        this = self.sql(expression, "this")
+        if self.bit_start:
+            return f"{self.bit_start}{this}{self.bit_end}"
+        return f"{int(this, 2)}"
 
     def hexstring_sql(self, expression: exp.HexString) -> str:
-        return self.sql(expression, "this")
+        this = self.sql(expression, "this")
+        if self.hex_start:
+            return f"{self.hex_start}{this}{self.hex_end}"
+        return f"{int(this, 16)}"
 
     def bytestring_sql(self, expression: exp.ByteString) -> str:
-        return self.sql(expression, "this")
+        this = self.sql(expression, "this")
+        if self.byte_start:
+            return f"{self.byte_start}{this}{self.byte_end}"
+        return this
 
     def datatype_sql(self, expression: exp.DataType) -> str:
         type_value = expression.this
@@ -1115,10 +1148,12 @@ class Generator:
 
         return f"{table}{system_time}{alias}{hints}{laterals}{joins}{pivots}"
 
-    def tablesample_sql(self, expression: exp.TableSample, seed_prefix: str = "SEED") -> str:
+    def tablesample_sql(
+        self, expression: exp.TableSample, seed_prefix: str = "SEED", sep=" AS "
+    ) -> str:
         if self.alias_post_tablesample and expression.this.alias:
             this = self.sql(expression.this, "this")
-            alias = f" AS {self.sql(expression.this, 'alias')}"
+            alias = f"{sep}{self.sql(expression.this, 'alias')}"
         else:
             this = self.sql(expression, "this")
             alias = ""
@@ -1447,16 +1482,16 @@ class Generator:
         )
 
     def select_sql(self, expression: exp.Select) -> str:
-        kind = expression.args.get("kind")
-        kind = f" AS {kind}" if kind else ""
         hint = self.sql(expression, "hint")
         distinct = self.sql(expression, "distinct")
         distinct = f" {distinct}" if distinct else ""
+        kind = expression.args.get("kind")
+        kind = f" AS {kind}" if kind else ""
         expressions = self.expressions(expression)
         expressions = f"{self.sep()}{expressions}" if expressions else expressions
         sql = self.query_modifiers(
             expression,
-            f"SELECT{kind}{hint}{distinct}{expressions}",
+            f"SELECT{hint}{distinct}{kind}{expressions}",
             self.sql(expression, "into", comment=False),
             self.sql(expression, "from", comment=False),
         )
@@ -1475,9 +1510,6 @@ class Generator:
         replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
         return f"*{except_}{replace}"
 
-    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
-        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
-
     def parameter_sql(self, expression: exp.Parameter) -> str:
         this = self.sql(expression, "this")
         this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
@@ -1806,7 +1838,7 @@ class Generator:
             return self.binary(expression, op)
 
         sqls = tuple(
-            self.maybe_comment(self.sql(e), e, e.parent.comments) if i != 1 else self.sql(e)
+            self.maybe_comment(self.sql(e), e, e.parent.comments or []) if i != 1 else self.sql(e)
             for i, e in enumerate(expression.flatten(unnest=False))
         )
 
diff --git a/sqlglot/optimizer/eliminate_joins.py b/sqlglot/optimizer/eliminate_joins.py
index e0ddfa2..27de9c7 100644
--- a/sqlglot/optimizer/eliminate_joins.py
+++ b/sqlglot/optimizer/eliminate_joins.py
@@ -153,7 +153,7 @@ def join_condition(join):
     #
     # should pull y.b as the join key and x.a as the source key
     if normalized(on):
-        on = on if isinstance(on, exp.And) else exp.and_(on, exp.true())
+        on = on if isinstance(on, exp.And) else exp.and_(on, exp.true(), copy=False)
 
         for condition in on.flatten():
             if isinstance(condition, exp.EQ):
diff --git a/sqlglot/optimizer/expand_laterals.py b/sqlglot/optimizer/expand_laterals.py
index 59f3fec..5b2f706 100644
--- a/sqlglot/optimizer/expand_laterals.py
+++ b/sqlglot/optimizer/expand_laterals.py
@@ -29,6 +29,6 @@ def expand_laterals(expression: exp.Expression) -> exp.Expression:
             for column in projection.find_all(exp.Column):
                 if not column.table and column.name in alias_to_expression:
                     column.replace(alias_to_expression[column.name].copy())
-                if isinstance(projection, exp.Alias):
-                    alias_to_expression[projection.alias] = projection.this
+            if isinstance(projection, exp.Alias):
+                alias_to_expression[projection.alias] = projection.this
     return expression
diff --git a/sqlglot/optimizer/normalize.py b/sqlglot/optimizer/normalize.py
index 40668ef..b013312 100644
--- a/sqlglot/optimizer/normalize.py
+++ b/sqlglot/optimizer/normalize.py
@@ -152,12 +152,14 @@ def _distribute(a, b, from_func, to_func, cache):
             lambda c: to_func(
                 uniq_sort(flatten(from_func(c, b.left)), cache),
                 uniq_sort(flatten(from_func(c, b.right)), cache),
+                copy=False,
             ),
         )
     else:
         a = to_func(
             uniq_sort(flatten(from_func(a, b.left)), cache),
             uniq_sort(flatten(from_func(a, b.right)), cache),
+            copy=False,
         )
 
     return a
diff --git a/sqlglot/optimizer/optimizer.py b/sqlglot/optimizer/optimizer.py
index 62eb11e..c165ffe 100644
--- a/sqlglot/optimizer/optimizer.py
+++ b/sqlglot/optimizer/optimizer.py
@@ -10,7 +10,6 @@ from sqlglot.optimizer.canonicalize import canonicalize
 from sqlglot.optimizer.eliminate_ctes import eliminate_ctes
 from sqlglot.optimizer.eliminate_joins import eliminate_joins
 from sqlglot.optimizer.eliminate_subqueries import eliminate_subqueries
-from sqlglot.optimizer.expand_laterals import expand_laterals
 from sqlglot.optimizer.expand_multi_table_selects import expand_multi_table_selects
 from sqlglot.optimizer.isolate_table_selects import isolate_table_selects
 from sqlglot.optimizer.lower_identities import lower_identities
@@ -30,7 +29,6 @@ RULES = (
     qualify_tables,
     isolate_table_selects,
     qualify_columns,
-    expand_laterals,
     pushdown_projections,
     validate_qualify_columns,
     normalize,
diff --git a/sqlglot/optimizer/qualify_columns.py b/sqlglot/optimizer/qualify_columns.py
index 0a31246..6ac39f0 100644
--- a/sqlglot/optimizer/qualify_columns.py
+++ b/sqlglot/optimizer/qualify_columns.py
@@ -3,11 +3,12 @@ import typing as t
 
 from sqlglot import alias, exp
 from sqlglot.errors import OptimizeError
+from sqlglot.optimizer.expand_laterals import expand_laterals as _expand_laterals
 from sqlglot.optimizer.scope import Scope, traverse_scope
 from sqlglot.schema import ensure_schema
 
 
-def qualify_columns(expression, schema):
+def qualify_columns(expression, schema, expand_laterals=True):
     """
     Rewrite sqlglot AST to have fully qualified columns.
 
@@ -26,6 +27,9 @@ def qualify_columns(expression, schema):
     """
     schema = ensure_schema(schema)
 
+    if not schema.mapping and expand_laterals:
+        expression = _expand_laterals(expression)
+
     for scope in traverse_scope(expression):
         resolver = Resolver(scope, schema)
         _pop_table_column_aliases(scope.ctes)
@@ -39,6 +43,9 @@ def qualify_columns(expression, schema):
         _expand_group_by(scope, resolver)
         _expand_order_by(scope)
 
+    if schema.mapping and expand_laterals:
+        expression = _expand_laterals(expression)
+
     return expression
 
 
@@ -124,7 +131,7 @@ def _expand_using(scope, resolver):
                 tables[join_table] = None
 
         join.args.pop("using")
-        join.set("on", exp.and_(*conditions))
+        join.set("on", exp.and_(*conditions, copy=False))
 
     if column_tables:
         for column in scope.columns:
@@ -240,7 +247,9 @@ def _qualify_columns(scope, resolver):
             # column_table can be a '' because bigquery unnest has no table alias
             if column_table:
                 column.set("table", column_table)
-        elif column_table not in scope.sources:
+        elif column_table not in scope.sources and (
+            not scope.parent or column_table not in scope.parent.sources
+        ):
             # structs are used like tables (e.g. "struct"."field"), so they need to be qualified
             # separately and represented as dot(dot(...(., field1), field2, ...))
 
@@ -376,10 +385,13 @@ def _qualify_outputs(scope):
             if not selection.output_name:
                 selection.set("alias", exp.TableAlias(this=exp.to_identifier(f"_col_{i}")))
         elif not isinstance(selection, exp.Alias) and not selection.is_star:
-            alias_ = alias(exp.column(""), alias=selection.output_name or f"_col_{i}")
-            alias_.set("this", selection)
-            selection = alias_
-
+            selection = alias(
+                selection,
+                alias=selection.output_name or f"_col_{i}",
+                quoted=True
+                if isinstance(selection, exp.Column) and selection.this.quoted
+                else None,
+            )
         if aliased_column:
             selection.set("alias", exp.to_identifier(aliased_column))
 
diff --git a/sqlglot/optimizer/qualify_tables.py b/sqlglot/optimizer/qualify_tables.py
index a719ebe..1b451a6 100644
--- a/sqlglot/optimizer/qualify_tables.py
+++ b/sqlglot/optimizer/qualify_tables.py
@@ -7,21 +7,29 @@ from sqlglot.optimizer.scope import Scope, traverse_scope
 
 def qualify_tables(expression, db=None, catalog=None, schema=None):
     """
-    Rewrite sqlglot AST to have fully qualified tables.
+    Rewrite sqlglot AST to have fully qualified tables. Additionally, this
+    replaces "join constructs" (*) by equivalent SELECT * subqueries.
 
-    Example:
+    Examples:
         >>> import sqlglot
         >>> expression = sqlglot.parse_one("SELECT 1 FROM tbl")
         >>> qualify_tables(expression, db="db").sql()
         'SELECT 1 FROM db.tbl AS tbl'
+        >>>
+        >>> expression = sqlglot.parse_one("SELECT * FROM (tbl1 JOIN tbl2 ON id1 = id2)")
+        >>> qualify_tables(expression).sql()
+        'SELECT * FROM (SELECT * FROM tbl1 AS tbl1 JOIN tbl2 AS tbl2 ON id1 = id2) AS _q_0'
 
     Args:
         expression (sqlglot.Expression): expression to qualify
         db (str): Database name
         catalog (str): Catalog name
         schema: A schema to populate
+
     Returns:
         sqlglot.Expression: qualified expression
+
+    (*) See section 7.2.1.2 in https://www.postgresql.org/docs/current/queries-table-expressions.html
     """
     sequence = itertools.count()
 
@@ -29,6 +37,12 @@ def qualify_tables(expression, db=None, catalog=None, schema=None):
 
     for scope in traverse_scope(expression):
         for derived_table in itertools.chain(scope.ctes, scope.derived_tables):
+            # Expand join construct
+            if isinstance(derived_table, exp.Subquery):
+                unnested = derived_table.unnest()
+                if isinstance(unnested, exp.Table):
+                    derived_table.this.replace(exp.select("*").from_(unnested.copy(), copy=False))
+
             if not derived_table.args.get("alias"):
                 alias_ = f"_q_{next(sequence)}"
                 derived_table.set("alias", exp.TableAlias(this=exp.to_identifier(alias_)))
diff --git a/sqlglot/optimizer/scope.py b/sqlglot/optimizer/scope.py
index b582eb0..e00b3c9 100644
--- a/sqlglot/optimizer/scope.py
+++ b/sqlglot/optimizer/scope.py
@@ -510,6 +510,9 @@ def _traverse_scope(scope):
         yield from _traverse_union(scope)
     elif isinstance(scope.expression, exp.Subquery):
         yield from _traverse_subqueries(scope)
+    elif isinstance(scope.expression, exp.Table):
+        # This case corresponds to a "join construct", i.e. (tbl1 JOIN tbl2 ON ..)
+        yield from _traverse_tables(scope)
     elif isinstance(scope.expression, exp.UDTF):
         pass
     else:
@@ -587,6 +590,9 @@ def _traverse_tables(scope):
     for join in scope.expression.args.get("joins") or []:
         expressions.append(join.this)
 
+    if isinstance(scope.expression, exp.Table):
+        expressions.append(scope.expression)
+
     expressions.extend(scope.expression.args.get("laterals") or [])
 
     for expression in expressions:
diff --git a/sqlglot/optimizer/simplify.py b/sqlglot/optimizer/simplify.py
index 4e6c910..0904189 100644
--- a/sqlglot/optimizer/simplify.py
+++ b/sqlglot/optimizer/simplify.py
@@ -60,6 +60,7 @@ def rewrite_between(expression: exp.Expression) -> exp.Expression:
         return exp.and_(
             exp.GTE(this=expression.this.copy(), expression=expression.args["low"]),
             exp.LTE(this=expression.this.copy(), expression=expression.args["high"]),
+            copy=False,
         )
     return expression
 
@@ -76,9 +77,17 @@ def simplify_not(expression):
         if isinstance(expression.this, exp.Paren):
             condition = expression.this.unnest()
             if isinstance(condition, exp.And):
-                return exp.or_(exp.not_(condition.left), exp.not_(condition.right))
+                return exp.or_(
+                    exp.not_(condition.left, copy=False),
+                    exp.not_(condition.right, copy=False),
+                    copy=False,
+                )
             if isinstance(condition, exp.Or):
-                return exp.and_(exp.not_(condition.left), exp.not_(condition.right))
+                return exp.and_(
+                    exp.not_(condition.left, copy=False),
+                    exp.not_(condition.right, copy=False),
+                    copy=False,
+                )
             if is_null(condition):
                 return exp.null()
         if always_true(expression.this):
@@ -254,12 +263,12 @@ def uniq_sort(expression, cache=None, root=True):
         # A AND C AND B -> A AND B AND C
         for i, (sql, e) in enumerate(arr[1:]):
             if sql < arr[i][0]:
-                expression = result_func(*(e for _, e in sorted(arr)))
+                expression = result_func(*(e for _, e in sorted(arr)), copy=False)
                 break
         else:
             # we didn't have to sort but maybe we need to dedup
             if len(deduped) < len(flattened):
-                expression = result_func(*deduped.values())
+                expression = result_func(*deduped.values(), copy=False)
 
     return expression
 
diff --git a/sqlglot/parser.py b/sqlglot/parser.py
index abb23ad..d8d9f88 100644
--- a/sqlglot/parser.py
+++ b/sqlglot/parser.py
@@ -126,9 +126,17 @@ class Parser(metaclass=_Parser):
         TokenType.BIT,
         TokenType.BOOLEAN,
         TokenType.TINYINT,
+        TokenType.UTINYINT,
         TokenType.SMALLINT,
+        TokenType.USMALLINT,
         TokenType.INT,
+        TokenType.UINT,
         TokenType.BIGINT,
+        TokenType.UBIGINT,
+        TokenType.INT128,
+        TokenType.UINT128,
+        TokenType.INT256,
+        TokenType.UINT256,
         TokenType.FLOAT,
         TokenType.DOUBLE,
         TokenType.CHAR,
@@ -961,14 +969,15 @@ class Parser(metaclass=_Parser):
             The target expression.
         """
         instance = exp_class(**kwargs)
-        if self._prev_comments:
-            instance.comments = self._prev_comments
-            self._prev_comments = None
-        if comments:
-            instance.comments = comments
+        instance.add_comments(comments) if comments else self._add_comments(instance)
         self.validate_expression(instance)
         return instance
 
+    def _add_comments(self, expression: t.Optional[exp.Expression]) -> None:
+        if expression and self._prev_comments:
+            expression.add_comments(self._prev_comments)
+            self._prev_comments = None
+
     def validate_expression(
         self, expression: exp.Expression, args: t.Optional[t.List] = None
     ) -> None:
@@ -1567,7 +1576,7 @@ class Parser(metaclass=_Parser):
                 value = self.expression(
                     exp.Schema,
                     this="TABLE",
-                    expressions=self._parse_csv(self._parse_struct_kwargs),
+                    expressions=self._parse_csv(self._parse_struct_types),
                 )
                 if not self._match(TokenType.GT):
                     self.raise_error("Expecting >")
@@ -1802,14 +1811,15 @@ class Parser(metaclass=_Parser):
         elif self._match(TokenType.SELECT):
             comments = self._prev_comments
 
+            hint = self._parse_hint()
+            all_ = self._match(TokenType.ALL)
+            distinct = self._match(TokenType.DISTINCT)
+
             kind = (
                 self._match(TokenType.ALIAS)
                 and self._match_texts(("STRUCT", "VALUE"))
                 and self._prev.text
             )
-            hint = self._parse_hint()
-            all_ = self._match(TokenType.ALL)
-            distinct = self._match(TokenType.DISTINCT)
 
             if distinct:
                 distinct = self.expression(
@@ -2284,7 +2294,7 @@ class Parser(metaclass=_Parser):
         if not self._match(TokenType.UNNEST):
             return None
 
-        expressions = self._parse_wrapped_csv(self._parse_column)
+        expressions = self._parse_wrapped_csv(self._parse_type)
         ordinality = self._match_pair(TokenType.WITH, TokenType.ORDINALITY)
         alias = self._parse_table_alias()
 
@@ -2333,7 +2343,9 @@ class Parser(metaclass=_Parser):
         size = None
         seed = None
 
-        kind = "TABLESAMPLE" if self._prev.token_type == TokenType.TABLE_SAMPLE else "USING SAMPLE"
+        kind = (
+            self._prev.text if self._prev.token_type == TokenType.TABLE_SAMPLE else "USING SAMPLE"
+        )
         method = self._parse_var(tokens=(TokenType.ROW,))
 
         self._match(TokenType.L_PAREN)
@@ -2684,7 +2696,7 @@ class Parser(metaclass=_Parser):
             else:
                 this = self.expression(exp.In, this=this, expressions=expressions)
 
-            self._match_r_paren()
+            self._match_r_paren(this)
         else:
             this = self.expression(exp.In, this=this, field=self._parse_field())
 
@@ -2798,7 +2810,7 @@ class Parser(metaclass=_Parser):
 
         if self._match(TokenType.L_PAREN):
             if is_struct:
-                expressions = self._parse_csv(self._parse_struct_kwargs)
+                expressions = self._parse_csv(self._parse_struct_types)
             elif nested:
                 expressions = self._parse_csv(self._parse_types)
             else:
@@ -2833,7 +2845,7 @@ class Parser(metaclass=_Parser):
         values: t.Optional[t.List[t.Optional[exp.Expression]]] = None
         if nested and self._match(TokenType.LT):
             if is_struct:
-                expressions = self._parse_csv(self._parse_struct_kwargs)
+                expressions = self._parse_csv(self._parse_struct_types)
             else:
                 expressions = self._parse_csv(self._parse_types)
 
@@ -2891,16 +2903,10 @@ class Parser(metaclass=_Parser):
             prefix=prefix,
         )
 
-    def _parse_struct_kwargs(self) -> t.Optional[exp.Expression]:
-        index = self._index
-        this = self._parse_id_var()
+    def _parse_struct_types(self) -> t.Optional[exp.Expression]:
+        this = self._parse_type() or self._parse_id_var()
         self._match(TokenType.COLON)
-        data_type = self._parse_types()
-
-        if not data_type:
-            self._retreat(index)
-            return self._parse_types()
-        return self.expression(exp.StructKwarg, this=this, expression=data_type)
+        return self._parse_column_def(this)
 
     def _parse_at_time_zone(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
         if not self._match(TokenType.AT_TIME_ZONE):
@@ -2932,7 +2938,11 @@ class Parser(metaclass=_Parser):
                     else exp.Literal.string(value)
                 )
             else:
-                field = self._parse_star() or self._parse_function() or self._parse_id_var()
+                field = (
+                    self._parse_star()
+                    or self._parse_function(anonymous=True)
+                    or self._parse_id_var()
+                )
 
             if isinstance(field, exp.Func):
                 # bigquery allows function calls like x.y.count(...)
@@ -2995,11 +3005,9 @@ class Parser(metaclass=_Parser):
             else:
                 this = self.expression(exp.Paren, this=self._parse_set_operations(this))
 
-            self._match_r_paren()
-            comments.extend(self._prev_comments)
-
-            if this and comments:
-                this.comments = comments
+            if this:
+                this.add_comments(comments)
+            self._match_r_paren(expression=this)
 
             return this
 
@@ -3017,7 +3025,7 @@ class Parser(metaclass=_Parser):
         )
 
     def _parse_function(
-        self, functions: t.Optional[t.Dict[str, t.Callable]] = None
+        self, functions: t.Optional[t.Dict[str, t.Callable]] = None, anonymous: bool = False
     ) -> t.Optional[exp.Expression]:
         if not self._curr:
             return None
@@ -3043,7 +3051,7 @@ class Parser(metaclass=_Parser):
 
         parser = self.FUNCTION_PARSERS.get(upper)
 
-        if parser:
+        if parser and not anonymous:
             this = parser(self)
         else:
             subquery_predicate = self.SUBQUERY_PREDICATES.get(token_type)
@@ -3059,7 +3067,7 @@ class Parser(metaclass=_Parser):
             function = functions.get(upper)
             args = self._parse_csv(self._parse_lambda)
 
-            if function:
+            if function and not anonymous:
                 # Clickhouse supports function calls like foo(x, y)(z), so for these we need to also parse the
                 # second parameter list (i.e. "(z)") and the corresponding function will receive both arg lists.
                 if count_params(function) == 2:
@@ -3148,12 +3156,7 @@ class Parser(metaclass=_Parser):
                 if isinstance(left, exp.Column):
                     left.replace(exp.Var(this=left.text("this")))
 
-        if self._match(TokenType.IGNORE_NULLS):
-            this = self.expression(exp.IgnoreNulls, this=this)
-        else:
-            self._match(TokenType.RESPECT_NULLS)
-
-        return self._parse_limit(self._parse_order(this))
+        return self._parse_limit(self._parse_order(self._parse_respect_or_ignore_nulls(this)))
 
     def _parse_schema(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]:
         index = self._index
@@ -3177,6 +3180,9 @@ class Parser(metaclass=_Parser):
         return self.expression(exp.Schema, this=this, expressions=args)
 
     def _parse_column_def(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+        # column defs are not really columns, they're identifiers
+        if isinstance(this, exp.Column):
+            this = this.this
         kind = self._parse_types()
 
         if self._match_text_seq("FOR", "ORDINALITY"):
@@ -3420,7 +3426,7 @@ class Parser(metaclass=_Parser):
         elif not self._match(TokenType.R_BRACE) and bracket_kind == TokenType.L_BRACE:
             self.raise_error("Expected }")
 
-        this.comments = self._prev_comments
+        self._add_comments(this)
         return self._parse_bracket(this)
 
     def _parse_slice(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
@@ -3584,7 +3590,9 @@ class Parser(metaclass=_Parser):
                     exp.and_(
                         exp.Is(this=expression.copy(), expression=exp.Null()),
                         exp.Is(this=search.copy(), expression=exp.Null()),
+                        copy=False,
                     ),
+                    copy=False,
                 )
                 ifs.append(exp.If(this=cond, true=result))
 
@@ -3717,15 +3725,15 @@ class Parser(metaclass=_Parser):
         if self._match_set(self.TRIM_TYPES):
             position = self._prev.text.upper()
 
-        expression = self._parse_term()
+        expression = self._parse_bitwise()
         if self._match_set((TokenType.FROM, TokenType.COMMA)):
-            this = self._parse_term()
+            this = self._parse_bitwise()
         else:
             this = expression
             expression = None
 
         if self._match(TokenType.COLLATE):
-            collation = self._parse_term()
+            collation = self._parse_bitwise()
 
         return self.expression(
             exp.Trim,
@@ -3741,6 +3749,15 @@ class Parser(metaclass=_Parser):
     def _parse_named_window(self) -> t.Optional[exp.Expression]:
         return self._parse_window(self._parse_id_var(), alias=True)
 
+    def _parse_respect_or_ignore_nulls(
+        self, this: t.Optional[exp.Expression]
+    ) -> t.Optional[exp.Expression]:
+        if self._match(TokenType.IGNORE_NULLS):
+            return self.expression(exp.IgnoreNulls, this=this)
+        if self._match(TokenType.RESPECT_NULLS):
+            return self.expression(exp.RespectNulls, this=this)
+        return this
+
     def _parse_window(
         self, this: t.Optional[exp.Expression], alias: bool = False
     ) -> t.Optional[exp.Expression]:
@@ -3768,10 +3785,7 @@ class Parser(metaclass=_Parser):
         #   (https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/img_text/first_value.html)
         #   and Snowflake chose to do the same for familiarity
         #   https://docs.snowflake.com/en/sql-reference/functions/first_value.html#usage-notes
-        if self._match(TokenType.IGNORE_NULLS):
-            this = self.expression(exp.IgnoreNulls, this=this)
-        elif self._match(TokenType.RESPECT_NULLS):
-            this = self.expression(exp.RespectNulls, this=this)
+        this = self._parse_respect_or_ignore_nulls(this)
 
         # bigquery select from window x AS (partition by ...)
         if alias:
@@ -3975,9 +3989,7 @@ class Parser(metaclass=_Parser):
         items = [parse_result] if parse_result is not None else []
 
         while self._match(sep):
-            if parse_result and self._prev_comments:
-                parse_result.comments = self._prev_comments
-
+            self._add_comments(parse_result)
             parse_result = parse_method()
             if parse_result is not None:
                 items.append(parse_result)
@@ -4345,13 +4357,14 @@ class Parser(metaclass=_Parser):
         self._retreat(index)
         return None
 
-    def _match(self, token_type, advance=True):
+    def _match(self, token_type, advance=True, expression=None):
         if not self._curr:
             return None
 
         if self._curr.token_type == token_type:
             if advance:
                 self._advance()
+            self._add_comments(expression)
             return True
 
         return None
@@ -4379,16 +4392,12 @@ class Parser(metaclass=_Parser):
         return None
 
     def _match_l_paren(self, expression=None):
-        if not self._match(TokenType.L_PAREN):
+        if not self._match(TokenType.L_PAREN, expression=expression):
             self.raise_error("Expecting (")
-        if expression and self._prev_comments:
-            expression.comments = self._prev_comments
 
     def _match_r_paren(self, expression=None):
-        if not self._match(TokenType.R_PAREN):
+        if not self._match(TokenType.R_PAREN, expression=expression):
             self.raise_error("Expecting )")
-        if expression and self._prev_comments:
-            expression.comments = self._prev_comments
 
     def _match_texts(self, texts, advance=True):
         if self._curr and self._curr.text.upper() in texts:
diff --git a/sqlglot/tokens.py b/sqlglot/tokens.py
index 64c1f92..5e50b7c 100644
--- a/sqlglot/tokens.py
+++ b/sqlglot/tokens.py
@@ -84,6 +84,10 @@ class TokenType(AutoName):
     UINT = auto()
     BIGINT = auto()
     UBIGINT = auto()
+    INT128 = auto()
+    UINT128 = auto()
+    INT256 = auto()
+    UINT256 = auto()
     FLOAT = auto()
     DOUBLE = auto()
     DECIMAL = auto()
@@ -774,8 +778,6 @@ class Tokenizer(metaclass=_Tokenizer):
         "_end",
         "_peek",
         "_prev_token_line",
-        "_prev_token_comments",
-        "_prev_token_type",
     )
 
     def __init__(self) -> None:
@@ -795,8 +797,6 @@ class Tokenizer(metaclass=_Tokenizer):
         self._end = False
         self._peek = ""
         self._prev_token_line = -1
-        self._prev_token_comments: t.List[str] = []
-        self._prev_token_type: t.Optional[TokenType] = None
 
     def tokenize(self, sql: str) -> t.List[Token]:
         """Returns a list of tokens corresponding to the SQL string `sql`."""
@@ -846,7 +846,7 @@ class Tokenizer(metaclass=_Tokenizer):
             return self.sql[start:end]
         return ""
 
-    def _advance(self, i: int = 1) -> None:
+    def _advance(self, i: int = 1, alnum: bool = False) -> None:
         if self.WHITE_SPACE.get(self._char) is TokenType.BREAK:
             self._col = 1
             self._line += 1
@@ -858,14 +858,30 @@ class Tokenizer(metaclass=_Tokenizer):
         self._char = self.sql[self._current - 1]
         self._peek = "" if self._end else self.sql[self._current]
 
+        if alnum and self._char.isalnum():
+            _col = self._col
+            _current = self._current
+            _end = self._end
+            _peek = self._peek
+
+            while _peek.isalnum():
+                _col += 1
+                _current += 1
+                _end = _current >= self.size
+                _peek = "" if _end else self.sql[_current]
+
+            self._col = _col
+            self._current = _current
+            self._end = _end
+            self._peek = _peek
+            self._char = self.sql[_current - 1]
+
     @property
     def _text(self) -> str:
         return self.sql[self._start : self._current]
 
     def _add(self, token_type: TokenType, text: t.Optional[str] = None) -> None:
         self._prev_token_line = self._line
-        self._prev_token_comments = self._comments
-        self._prev_token_type = token_type
         self.tokens.append(
             Token(
                 token_type,
@@ -966,13 +982,13 @@ class Tokenizer(metaclass=_Tokenizer):
 
             comment_end_size = len(comment_end)
             while not self._end and self._chars(comment_end_size) != comment_end:
-                self._advance()
+                self._advance(alnum=True)
 
             self._comments.append(self._text[comment_start_size : -comment_end_size + 1])
             self._advance(comment_end_size - 1)
         else:
             while not self._end and not self.WHITE_SPACE.get(self._peek) is TokenType.BREAK:
-                self._advance()
+                self._advance(alnum=True)
             self._comments.append(self._text[comment_start_size:])
 
         # Leading comment is attached to the succeeding token, whilst trailing comment to the preceding.
@@ -988,9 +1004,9 @@ class Tokenizer(metaclass=_Tokenizer):
         if self._char == "0":
             peek = self._peek.upper()
             if peek == "B":
-                return self._scan_bits()
+                return self._scan_bits() if self._BIT_STRINGS else self._add(TokenType.NUMBER)
             elif peek == "X":
-                return self._scan_hex()
+                return self._scan_hex() if self._HEX_STRINGS else self._add(TokenType.NUMBER)
 
         decimal = False
         scientific = 0
@@ -1033,7 +1049,9 @@ class Tokenizer(metaclass=_Tokenizer):
         self._advance()
         value = self._extract_value()
         try:
-            self._add(TokenType.BIT_STRING, f"{int(value, 2)}")
+            # If `value` can't be converted to a binary, fallback to tokenizing it as an identifier
+            int(value, 2)
+            self._add(TokenType.BIT_STRING, value[2:])  # Drop the 0b
         except ValueError:
             self._add(TokenType.IDENTIFIER)
 
@@ -1041,7 +1059,9 @@ class Tokenizer(metaclass=_Tokenizer):
         self._advance()
         value = self._extract_value()
         try:
-            self._add(TokenType.HEX_STRING, f"{int(value, 16)}")
+            # If `value` can't be converted to a hex, fallback to tokenizing it as an identifier
+            int(value, 16)
+            self._add(TokenType.HEX_STRING, value[2:])  # Drop the 0x
         except ValueError:
             self._add(TokenType.IDENTIFIER)
 
@@ -1049,7 +1069,7 @@ class Tokenizer(metaclass=_Tokenizer):
         while True:
             char = self._peek.strip()
             if char and char not in self.SINGLE_TOKENS:
-                self._advance()
+                self._advance(alnum=True)
             else:
                 break
 
@@ -1066,7 +1086,7 @@ class Tokenizer(metaclass=_Tokenizer):
         self._add(TokenType.NATIONAL if quote[0].upper() == "N" else TokenType.STRING, text)
         return True
 
-    # X'1234, b'0110', E'\\\\\' etc.
+    # X'1234', b'0110', E'\\\\\' etc.
     def _scan_formatted_string(self, string_start: str) -> bool:
         if string_start in self._HEX_STRINGS:
             delimiters = self._HEX_STRINGS
@@ -1087,60 +1107,43 @@ class Tokenizer(metaclass=_Tokenizer):
         string_end = delimiters[string_start]
         text = self._extract_string(string_end)
 
-        if base is None:
-            self._add(token_type, text)
-        else:
+        if base:
             try:
-                self._add(token_type, f"{int(text, base)}")
+                int(text, base)
             except:
                 raise RuntimeError(
                     f"Numeric string contains invalid characters from {self._line}:{self._start}"
                 )
 
+        self._add(token_type, text)
         return True
 
     def _scan_identifier(self, identifier_end: str) -> None:
-        text = ""
-        identifier_end_is_escape = identifier_end in self._IDENTIFIER_ESCAPES
-
-        while True:
-            if self._end:
-                raise RuntimeError(f"Missing {identifier_end} from {self._line}:{self._start}")
-
-            self._advance()
-            if self._char == identifier_end:
-                if identifier_end_is_escape and self._peek == identifier_end:
-                    text += identifier_end
-                    self._advance()
-                    continue
-
-                break
-
-            text += self._char
-
+        self._advance()
+        text = self._extract_string(identifier_end, self._IDENTIFIER_ESCAPES)
         self._add(TokenType.IDENTIFIER, text)
 
     def _scan_var(self) -> None:
         while True:
             char = self._peek.strip()
             if char and (char in self.VAR_SINGLE_TOKENS or char not in self.SINGLE_TOKENS):
-                self._advance()
+                self._advance(alnum=True)
             else:
                 break
+
         self._add(
             TokenType.VAR
-            if self._prev_token_type == TokenType.PARAMETER
+            if self.tokens and self.tokens[-1].token_type == TokenType.PARAMETER
             else self.KEYWORDS.get(self._text.upper(), TokenType.VAR)
         )
 
-    def _extract_string(self, delimiter: str) -> str:
+    def _extract_string(self, delimiter: str, escapes=None) -> str:
         text = ""
         delim_size = len(delimiter)
+        escapes = self._STRING_ESCAPES if escapes is None else escapes
 
         while True:
-            if self._char in self._STRING_ESCAPES and (
-                self._peek == delimiter or self._peek in self._STRING_ESCAPES
-            ):
+            if self._char in escapes and (self._peek == delimiter or self._peek in escapes):
                 if self._peek == delimiter:
                     text += self._peek
                 else:
@@ -1158,7 +1161,9 @@ class Tokenizer(metaclass=_Tokenizer):
 
                 if self._end:
                     raise RuntimeError(f"Missing {delimiter} from {self._line}:{self._start}")
-                text += self._char
-                self._advance()
+
+                current = self._current - 1
+                self._advance(alnum=True)
+                text += self.sql[current : self._current - 1]
 
         return text
diff --git a/sqlglot/transforms.py b/sqlglot/transforms.py
index 00f278e..3643cd7 100644
--- a/sqlglot/transforms.py
+++ b/sqlglot/transforms.py
@@ -121,20 +121,9 @@ def remove_precision_parameterized_types(expression: exp.Expression) -> exp.Expr
     Some dialects only allow the precision for parameterized types to be defined in the DDL and not in
     other expressions. This transforms removes the precision from parameterized types in expressions.
     """
-    return expression.transform(
-        lambda node: exp.DataType(
-            **{
-                **node.args,
-                "expressions": [
-                    node_expression
-                    for node_expression in node.expressions
-                    if isinstance(node_expression, exp.DataType)
-                ],
-            }
-        )
-        if isinstance(node, exp.DataType)
-        else node,
-    )
+    for node in expression.find_all(exp.DataType):
+        node.set("expressions", [e for e in node.expressions if isinstance(e, exp.DataType)])
+    return expression
 
 
 def unnest_to_explode(expression: exp.Expression) -> exp.Expression:
@@ -240,12 +229,36 @@ def remove_target_from_merge(expression: exp.Expression) -> exp.Expression:
     return expression
 
 
+def remove_within_group_for_percentiles(expression: exp.Expression) -> exp.Expression:
+    if (
+        isinstance(expression, exp.WithinGroup)
+        and isinstance(expression.this, (exp.PercentileCont, exp.PercentileDisc))
+        and isinstance(expression.expression, exp.Order)
+    ):
+        quantile = expression.this.this
+        input_value = t.cast(exp.Ordered, expression.find(exp.Ordered)).this
+        return expression.replace(exp.ApproxQuantile(this=input_value, quantile=quantile))
+
+    return expression
+
+
+def unqualify_pivot_columns(expression: exp.Expression) -> exp.Expression:
+    if isinstance(expression, exp.Pivot):
+        expression.args["field"].transform(
+            lambda node: exp.column(node.output_name) if isinstance(node, exp.Column) else node,
+            copy=False,
+        )
+
+    return expression
+
+
 def preprocess(
     transforms: t.List[t.Callable[[exp.Expression], exp.Expression]],
 ) -> t.Callable[[Generator, exp.Expression], str]:
     """
     Creates a new transform by chaining a sequence of transformations and converts the resulting
-    expression to SQL, using an appropriate `Generator.TRANSFORMS` function.
+    expression to SQL, using either the "_sql" method corresponding to the resulting expression,
+    or the appropriate `Generator.TRANSFORMS` function (when applicable -- see below).
 
     Args:
         transforms: sequence of transform functions. These will be called in order.
@@ -255,17 +268,28 @@ def preprocess(
     """
 
     def _to_sql(self, expression: exp.Expression) -> str:
+        expression_type = type(expression)
+
         expression = transforms[0](expression.copy())
         for t in transforms[1:]:
             expression = t(expression)
-        return getattr(self, expression.key + "_sql")(expression)
 
-    return _to_sql
+        _sql_handler = getattr(self, expression.key + "_sql", None)
+        if _sql_handler:
+            return _sql_handler(expression)
+
+        transforms_handler = self.TRANSFORMS.get(type(expression))
+        if transforms_handler:
+            # Ensures we don't enter an infinite loop. This can happen when the original expression
+            # has the same type as the final expression and there's no _sql method available for it,
+            # because then it'd re-enter _to_sql.
+            if expression_type is type(expression):
+                raise ValueError(
+                    f"Expression type {expression.__class__.__name__} requires a _sql method in order to be transformed."
+                )
 
+            return transforms_handler(self, expression)
 
-UNALIAS_GROUP = {exp.Group: preprocess([unalias_group])}
-ELIMINATE_DISTINCT_ON = {exp.Select: preprocess([eliminate_distinct_on])}
-ELIMINATE_QUALIFY = {exp.Select: preprocess([eliminate_qualify])}
-REMOVE_PRECISION_PARAMETERIZED_TYPES = {
-    exp.Cast: preprocess([remove_precision_parameterized_types])
-}
+        raise ValueError(f"Unsupported expression type {expression.__class__.__name__}.")
+
+    return _to_sql
diff --git a/tests/dataframe/integration/dataframe_validator.py b/tests/dataframe/integration/dataframe_validator.py
index 16f8922..c84a342 100644
--- a/tests/dataframe/integration/dataframe_validator.py
+++ b/tests/dataframe/integration/dataframe_validator.py
@@ -3,17 +3,13 @@ import unittest
 import warnings
 
 import sqlglot
-from sqlglot.helper import PYTHON_VERSION
 from tests.helpers import SKIP_INTEGRATION
 
 if t.TYPE_CHECKING:
     from pyspark.sql import DataFrame as SparkDataFrame
 
 
-@unittest.skipIf(
-    SKIP_INTEGRATION or PYTHON_VERSION > (3, 10),
-    "Skipping Integration Tests since `SKIP_INTEGRATION` is set",
-)
+@unittest.skipIf(SKIP_INTEGRATION, "Skipping Integration Tests since `SKIP_INTEGRATION` is set")
 class DataFrameValidator(unittest.TestCase):
     spark = None
     sqlglot = None
diff --git a/tests/dialects/test_bigquery.py b/tests/dialects/test_bigquery.py
index 703b7dc..87bba6f 100644
--- a/tests/dialects/test_bigquery.py
+++ b/tests/dialects/test_bigquery.py
@@ -6,10 +6,19 @@ class TestBigQuery(Validator):
     dialect = "bigquery"
 
     def test_bigquery(self):
+        self.validate_identity("DATE_TRUNC(col, WEEK(MONDAY))")
+        self.validate_identity("SELECT b'abc'")
+        self.validate_identity("""SELECT * FROM UNNEST(ARRAY>[1, 2])""")
         self.validate_identity("SELECT AS STRUCT 1 AS a, 2 AS b")
+        self.validate_identity("SELECT DISTINCT AS STRUCT 1 AS a, 2 AS b")
         self.validate_identity("SELECT AS VALUE STRUCT(1 AS a, 2 AS b)")
         self.validate_identity("SELECT STRUCT>(['2023-01-17'])")
         self.validate_identity("SELECT * FROM q UNPIVOT(values FOR quarter IN (b, c))")
+        self.validate_identity("""CREATE TABLE x (a STRUCT>)""")
+        self.validate_identity("""CREATE TABLE x (a STRUCT)""")
+        self.validate_identity(
+            """CREATE TABLE x (a STRING OPTIONS (description='x')) OPTIONS (table_expiration_days=1)"""
+        )
         self.validate_identity(
             "SELECT * FROM (SELECT * FROM `t`) AS a UNPIVOT((c) FOR c_name IN (v1, v2))"
         )
@@ -97,6 +106,16 @@ class TestBigQuery(Validator):
                 "spark": "CAST(a AS LONG)",
             },
         )
+        self.validate_all(
+            "CAST(a AS BYTES)",
+            write={
+                "bigquery": "CAST(a AS BYTES)",
+                "duckdb": "CAST(a AS BLOB)",
+                "presto": "CAST(a AS VARBINARY)",
+                "hive": "CAST(a AS BINARY)",
+                "spark": "CAST(a AS BINARY)",
+            },
+        )
         self.validate_all(
             "CAST(a AS NUMERIC)",
             write={
@@ -173,7 +192,6 @@ class TestBigQuery(Validator):
             "current_datetime",
             write={
                 "bigquery": "CURRENT_DATETIME()",
-                "duckdb": "CURRENT_DATETIME()",
                 "presto": "CURRENT_DATETIME()",
                 "hive": "CURRENT_DATETIME()",
                 "spark": "CURRENT_DATETIME()",
@@ -183,7 +201,7 @@ class TestBigQuery(Validator):
             "current_time",
             write={
                 "bigquery": "CURRENT_TIME()",
-                "duckdb": "CURRENT_TIME()",
+                "duckdb": "CURRENT_TIME",
                 "presto": "CURRENT_TIME()",
                 "hive": "CURRENT_TIME()",
                 "spark": "CURRENT_TIME()",
@@ -193,7 +211,7 @@ class TestBigQuery(Validator):
             "current_timestamp",
             write={
                 "bigquery": "CURRENT_TIMESTAMP()",
-                "duckdb": "CURRENT_TIMESTAMP()",
+                "duckdb": "CURRENT_TIMESTAMP",
                 "postgres": "CURRENT_TIMESTAMP",
                 "presto": "CURRENT_TIMESTAMP",
                 "hive": "CURRENT_TIMESTAMP()",
@@ -204,7 +222,7 @@ class TestBigQuery(Validator):
             "current_timestamp()",
             write={
                 "bigquery": "CURRENT_TIMESTAMP()",
-                "duckdb": "CURRENT_TIMESTAMP()",
+                "duckdb": "CURRENT_TIMESTAMP",
                 "postgres": "CURRENT_TIMESTAMP",
                 "presto": "CURRENT_TIMESTAMP",
                 "hive": "CURRENT_TIMESTAMP()",
@@ -342,6 +360,18 @@ class TestBigQuery(Validator):
                 "snowflake": "SELECT cola, colb FROM (VALUES (1, 'test')) AS tab(cola, colb)",
             },
         )
+        self.validate_all(
+            "SELECT cola, colb FROM (VALUES (1, 'test')) AS tab",
+            write={
+                "bigquery": "SELECT cola, colb FROM UNNEST([STRUCT(1 AS _c0, 'test' AS _c1)])",
+            },
+        )
+        self.validate_all(
+            "SELECT cola, colb FROM (VALUES (1, 'test'))",
+            write={
+                "bigquery": "SELECT cola, colb FROM UNNEST([STRUCT(1 AS _c0, 'test' AS _c1)])",
+            },
+        )
         self.validate_all(
             "SELECT cola, colb, colc FROM (VALUES (1, 'test', NULL)) AS tab(cola, colb, colc)",
             write={
diff --git a/tests/dialects/test_clickhouse.py b/tests/dialects/test_clickhouse.py
index 9fd2b45..1060881 100644
--- a/tests/dialects/test_clickhouse.py
+++ b/tests/dialects/test_clickhouse.py
@@ -65,3 +65,24 @@ class TestClickhouse(Validator):
         self.validate_identity("WITH SUM(bytes) AS foo SELECT foo FROM system.parts")
         self.validate_identity("WITH (SELECT foo) AS bar SELECT bar + 5")
         self.validate_identity("WITH test1 AS (SELECT i + 1, j + 1 FROM test1) SELECT * FROM test1")
+
+    def test_signed_and_unsigned_types(self):
+        data_types = [
+            "UInt8",
+            "UInt16",
+            "UInt32",
+            "UInt64",
+            "UInt128",
+            "UInt256",
+            "Int8",
+            "Int16",
+            "Int32",
+            "Int64",
+            "Int128",
+            "Int256",
+        ]
+        for data_type in data_types:
+            self.validate_all(
+                f"pow(2, 32)::{data_type}",
+                write={"clickhouse": f"CAST(POWER(2, 32) AS {data_type})"},
+            )
diff --git a/tests/dialects/test_dialect.py b/tests/dialects/test_dialect.py
index bcbbfd6..f12273b 100644
--- a/tests/dialects/test_dialect.py
+++ b/tests/dialects/test_dialect.py
@@ -95,7 +95,7 @@ class TestDialect(Validator):
         self.validate_all(
             "CAST(a AS BINARY(4))",
             write={
-                "bigquery": "CAST(a AS BINARY)",
+                "bigquery": "CAST(a AS BYTES)",
                 "clickhouse": "CAST(a AS BINARY(4))",
                 "drill": "CAST(a AS VARBINARY(4))",
                 "duckdb": "CAST(a AS BLOB(4))",
@@ -114,7 +114,7 @@ class TestDialect(Validator):
         self.validate_all(
             "CAST(a AS VARBINARY(4))",
             write={
-                "bigquery": "CAST(a AS VARBINARY)",
+                "bigquery": "CAST(a AS BYTES)",
                 "clickhouse": "CAST(a AS VARBINARY(4))",
                 "duckdb": "CAST(a AS BLOB(4))",
                 "mysql": "CAST(a AS VARBINARY(4))",
diff --git a/tests/dialects/test_duckdb.py b/tests/dialects/test_duckdb.py
index 9e0040c..8c1b748 100644
--- a/tests/dialects/test_duckdb.py
+++ b/tests/dialects/test_duckdb.py
@@ -6,6 +6,9 @@ class TestDuckDB(Validator):
     dialect = "duckdb"
 
     def test_time(self):
+        self.validate_identity("SELECT CURRENT_DATE")
+        self.validate_identity("SELECT CURRENT_TIMESTAMP")
+
         self.validate_all(
             "EPOCH(x)",
             read={
@@ -24,7 +27,7 @@ class TestDuckDB(Validator):
                 "bigquery": "UNIX_TO_TIME(x / 1000)",
                 "duckdb": "TO_TIMESTAMP(x / 1000)",
                 "presto": "FROM_UNIXTIME(x / 1000)",
-                "spark": "FROM_UNIXTIME(x / 1000)",
+                "spark": "CAST(FROM_UNIXTIME(x / 1000) AS TIMESTAMP)",
             },
         )
         self.validate_all(
@@ -124,18 +127,34 @@ class TestDuckDB(Validator):
         self.validate_identity("SELECT {'a': 1} AS x")
         self.validate_identity("SELECT {'a': {'b': {'c': 1}}, 'd': {'e': 2}} AS x")
         self.validate_identity("SELECT {'x': 1, 'y': 2, 'z': 3}")
-        self.validate_identity(
-            "SELECT {'yes': 'duck', 'maybe': 'goose', 'huh': NULL, 'no': 'heron'}"
-        )
         self.validate_identity("SELECT {'key1': 'string', 'key2': 1, 'key3': 12.345}")
         self.validate_identity("SELECT ROW(x, x + 1, y) FROM (SELECT 1 AS x, 'a' AS y)")
         self.validate_identity("SELECT (x, x + 1, y) FROM (SELECT 1 AS x, 'a' AS y)")
         self.validate_identity("SELECT a.x FROM (SELECT {'x': 1, 'y': 2, 'z': 3} AS a)")
         self.validate_identity("ATTACH DATABASE ':memory:' AS new_database")
+        self.validate_identity(
+            "SELECT {'yes': 'duck', 'maybe': 'goose', 'huh': NULL, 'no': 'heron'}"
+        )
         self.validate_identity(
             "SELECT a['x space'] FROM (SELECT {'x space': 1, 'y': 2, 'z': 3} AS a)"
         )
 
+        self.validate_all("0b1010", write={"": "0 AS b1010"})
+        self.validate_all("0x1010", write={"": "0 AS x1010"})
+        self.validate_all(
+            """SELECT DATEDIFF('day', t1."A", t1."B") FROM "table" AS t1""",
+            write={
+                "duckdb": """SELECT DATE_DIFF('day', t1."A", t1."B") FROM "table" AS t1""",
+                "trino": """SELECT DATE_DIFF('day', t1."A", t1."B") FROM "table" AS t1""",
+            },
+        )
+        self.validate_all(
+            "SELECT DATE_DIFF('day', DATE '2020-01-01', DATE '2020-01-05')",
+            write={
+                "duckdb": "SELECT DATE_DIFF('day', CAST('2020-01-01' AS DATE), CAST('2020-01-05' AS DATE))",
+                "trino": "SELECT DATE_DIFF('day', CAST('2020-01-01' AS DATE), CAST('2020-01-05' AS DATE))",
+            },
+        )
         self.validate_all("x ~ y", write={"duckdb": "REGEXP_MATCHES(x, y)"})
         self.validate_all("SELECT * FROM 'x.y'", write={"duckdb": 'SELECT * FROM "x.y"'})
         self.validate_all(
diff --git a/tests/dialects/test_mysql.py b/tests/dialects/test_mysql.py
index 524d95e..f31b1b9 100644
--- a/tests/dialects/test_mysql.py
+++ b/tests/dialects/test_mysql.py
@@ -12,6 +12,7 @@ class TestMySQL(Validator):
                 "duckdb": "CREATE TABLE z (a INT)",
                 "mysql": "CREATE TABLE z (a INT) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARACTER SET=utf8 COLLATE=utf8_bin COMMENT='x'",
                 "spark": "CREATE TABLE z (a INT) COMMENT 'x'",
+                "sqlite": "CREATE TABLE z (a INTEGER)",
             },
         )
         self.validate_all(
@@ -24,6 +25,19 @@ class TestMySQL(Validator):
             "INSERT INTO x VALUES (1, 'a', 2.0) ON DUPLICATE KEY UPDATE SET x.id = 1"
         )
 
+        self.validate_all(
+            "CREATE TABLE x (id int not null auto_increment, primary key (id))",
+            write={
+                "sqlite": "CREATE TABLE x (id INTEGER NOT NULL AUTOINCREMENT PRIMARY KEY)",
+            },
+        )
+        self.validate_all(
+            "CREATE TABLE x (id int not null auto_increment)",
+            write={
+                "sqlite": "CREATE TABLE x (id INTEGER NOT NULL)",
+            },
+        )
+
     def test_identity(self):
         self.validate_identity("SELECT CURRENT_TIMESTAMP(6)")
         self.validate_identity("x ->> '$.name'")
@@ -150,47 +164,81 @@ class TestMySQL(Validator):
         )
 
     def test_hexadecimal_literal(self):
-        self.validate_all(
-            "SELECT 0xCC",
-            write={
-                "mysql": "SELECT x'CC'",
-                "sqlite": "SELECT x'CC'",
-                "spark": "SELECT X'CC'",
-                "trino": "SELECT X'CC'",
-                "bigquery": "SELECT 0xCC",
-                "oracle": "SELECT 204",
-            },
-        )
-        self.validate_all(
-            "SELECT X'1A'",
-            write={
-                "mysql": "SELECT x'1A'",
-            },
-        )
-        self.validate_all(
-            "SELECT 0xz",
-            write={
-                "mysql": "SELECT `0xz`",
-            },
-        )
+        write_CC = {
+            "bigquery": "SELECT 0xCC",
+            "clickhouse": "SELECT 0xCC",
+            "databricks": "SELECT 204",
+            "drill": "SELECT 204",
+            "duckdb": "SELECT 204",
+            "hive": "SELECT 204",
+            "mysql": "SELECT x'CC'",
+            "oracle": "SELECT 204",
+            "postgres": "SELECT x'CC'",
+            "presto": "SELECT 204",
+            "redshift": "SELECT 204",
+            "snowflake": "SELECT x'CC'",
+            "spark": "SELECT X'CC'",
+            "sqlite": "SELECT x'CC'",
+            "starrocks": "SELECT x'CC'",
+            "tableau": "SELECT 204",
+            "teradata": "SELECT 204",
+            "trino": "SELECT X'CC'",
+            "tsql": "SELECT 0xCC",
+        }
+        write_CC_with_leading_zeros = {
+            "bigquery": "SELECT 0x0000CC",
+            "clickhouse": "SELECT 0x0000CC",
+            "databricks": "SELECT 204",
+            "drill": "SELECT 204",
+            "duckdb": "SELECT 204",
+            "hive": "SELECT 204",
+            "mysql": "SELECT x'0000CC'",
+            "oracle": "SELECT 204",
+            "postgres": "SELECT x'0000CC'",
+            "presto": "SELECT 204",
+            "redshift": "SELECT 204",
+            "snowflake": "SELECT x'0000CC'",
+            "spark": "SELECT X'0000CC'",
+            "sqlite": "SELECT x'0000CC'",
+            "starrocks": "SELECT x'0000CC'",
+            "tableau": "SELECT 204",
+            "teradata": "SELECT 204",
+            "trino": "SELECT X'0000CC'",
+            "tsql": "SELECT 0x0000CC",
+        }
+
+        self.validate_all("SELECT X'1A'", write={"mysql": "SELECT x'1A'"})
+        self.validate_all("SELECT 0xz", write={"mysql": "SELECT `0xz`"})
+        self.validate_all("SELECT 0xCC", write=write_CC)
+        self.validate_all("SELECT 0xCC ", write=write_CC)
+        self.validate_all("SELECT x'CC'", write=write_CC)
+        self.validate_all("SELECT 0x0000CC", write=write_CC_with_leading_zeros)
+        self.validate_all("SELECT x'0000CC'", write=write_CC_with_leading_zeros)
 
     def test_bits_literal(self):
-        self.validate_all(
-            "SELECT 0b1011",
-            write={
-                "mysql": "SELECT b'1011'",
-                "postgres": "SELECT b'1011'",
-                "oracle": "SELECT 11",
-            },
-        )
-        self.validate_all(
-            "SELECT B'1011'",
-            write={
-                "mysql": "SELECT b'1011'",
-                "postgres": "SELECT b'1011'",
-                "oracle": "SELECT 11",
-            },
-        )
+        write_1011 = {
+            "bigquery": "SELECT 11",
+            "clickhouse": "SELECT 0b1011",
+            "databricks": "SELECT 11",
+            "drill": "SELECT 11",
+            "hive": "SELECT 11",
+            "mysql": "SELECT b'1011'",
+            "oracle": "SELECT 11",
+            "postgres": "SELECT b'1011'",
+            "presto": "SELECT 11",
+            "redshift": "SELECT 11",
+            "snowflake": "SELECT 11",
+            "spark": "SELECT 11",
+            "sqlite": "SELECT 11",
+            "mysql": "SELECT b'1011'",
+            "tableau": "SELECT 11",
+            "teradata": "SELECT 11",
+            "trino": "SELECT 11",
+            "tsql": "SELECT 11",
+        }
+
+        self.validate_all("SELECT 0b1011", write=write_1011)
+        self.validate_all("SELECT b'1011'", write=write_1011)
 
     def test_string_literals(self):
         self.validate_all(
diff --git a/tests/dialects/test_oracle.py b/tests/dialects/test_oracle.py
index dd297d6..88c79fd 100644
--- a/tests/dialects/test_oracle.py
+++ b/tests/dialects/test_oracle.py
@@ -5,6 +5,8 @@ class TestOracle(Validator):
     dialect = "oracle"
 
     def test_oracle(self):
+        self.validate_identity("SELECT * FROM table_name@dblink_name.database_link_domain")
+        self.validate_identity("SELECT * FROM table_name SAMPLE (25) s")
         self.validate_identity("SELECT * FROM V$SESSION")
         self.validate_identity(
             "SELECT MIN(column_name) KEEP (DENSE_RANK FIRST ORDER BY column_name DESC) FROM table_name"
@@ -17,7 +19,6 @@ class TestOracle(Validator):
                 "": "IFNULL(NULL, 1)",
             },
         )
-
         self.validate_all(
             "DATE '2022-01-01'",
             write={
@@ -28,6 +29,21 @@ class TestOracle(Validator):
             },
         )
 
+        self.validate_all(
+            "x::binary_double",
+            write={
+                "oracle": "CAST(x AS DOUBLE PRECISION)",
+                "": "CAST(x AS DOUBLE)",
+            },
+        )
+        self.validate_all(
+            "x::binary_float",
+            write={
+                "oracle": "CAST(x AS FLOAT)",
+                "": "CAST(x AS FLOAT)",
+            },
+        )
+
     def test_join_marker(self):
         self.validate_identity("SELECT e1.x, e2.x FROM e e1, e e2 WHERE e1.y (+) = e2.y")
         self.validate_identity("SELECT e1.x, e2.x FROM e e1, e e2 WHERE e1.y = e2.y (+)")
diff --git a/tests/dialects/test_postgres.py b/tests/dialects/test_postgres.py
index e2f9c41..b535a84 100644
--- a/tests/dialects/test_postgres.py
+++ b/tests/dialects/test_postgres.py
@@ -98,6 +98,21 @@ class TestPostgres(Validator):
         self.validate_identity("STRING_AGG(x, ',' ORDER BY y DESC)")
         self.validate_identity("STRING_AGG(DISTINCT x, ',' ORDER BY y DESC)")
         self.validate_identity("SELECT CASE WHEN SUBSTRING('abcdefg') IN ('ab') THEN 1 ELSE 0 END")
+        self.validate_identity("COMMENT ON TABLE mytable IS 'this'")
+        self.validate_identity("SELECT e'\\xDEADBEEF'")
+        self.validate_identity("SELECT CAST(e'\\176' AS BYTEA)")
+        self.validate_identity("SELECT * FROM x WHERE SUBSTRING('Thomas' FROM '...$') IN ('mas')")
+        self.validate_identity("SELECT TRIM(' X' FROM ' XXX ')")
+        self.validate_identity("SELECT TRIM(LEADING 'bla' FROM ' XXX ' COLLATE utf8_bin)")
+        self.validate_identity("""SELECT * FROM JSON_TO_RECORDSET(z) AS y("rank" INT)""")
+        self.validate_identity("x ~ 'y'")
+        self.validate_identity("x ~* 'y'")
+        self.validate_identity(
+            "SELECT SUM(x) OVER a, SUM(y) OVER b FROM c WINDOW a AS (PARTITION BY d), b AS (PARTITION BY e)"
+        )
+        self.validate_identity(
+            "CREATE TABLE A (LIKE B INCLUDING CONSTRAINT INCLUDING COMPRESSION EXCLUDING COMMENTS)"
+        )
         self.validate_identity(
             "SELECT CASE WHEN SUBSTRING('abcdefg' FROM 1) IN ('ab') THEN 1 ELSE 0 END"
         )
@@ -107,37 +122,31 @@ class TestPostgres(Validator):
         self.validate_identity(
             'SELECT * FROM "x" WHERE SUBSTRING("x"."foo" FROM 1 FOR 2) IN (\'mas\')'
         )
-        self.validate_identity("SELECT * FROM x WHERE SUBSTRING('Thomas' FROM '...$') IN ('mas')")
         self.validate_identity(
             "SELECT * FROM x WHERE SUBSTRING('Thomas' FROM '%#\"o_a#\"_' FOR '#') IN ('mas')"
         )
         self.validate_identity(
             "SELECT SUBSTRING('bla' + 'foo' || 'bar' FROM 3 - 1 + 5 FOR 4 + SOME_FUNC(arg1, arg2))"
         )
-        self.validate_identity("SELECT TRIM(' X' FROM ' XXX ')")
-        self.validate_identity("SELECT TRIM(LEADING 'bla' FROM ' XXX ' COLLATE utf8_bin)")
         self.validate_identity(
             "SELECT TO_TIMESTAMP(1284352323.5), TO_TIMESTAMP('05 Dec 2000', 'DD Mon YYYY')"
         )
-        self.validate_identity("COMMENT ON TABLE mytable IS 'this'")
-        self.validate_identity("SELECT e'\\xDEADBEEF'")
-        self.validate_identity("SELECT CAST(e'\\176' AS BYTEA)")
+
+        self.validate_all(
+            "SELECT PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY amount)",
+            write={
+                "databricks": "SELECT PERCENTILE_APPROX(amount, 0.5)",
+                "presto": "SELECT APPROX_PERCENTILE(amount, 0.5)",
+                "spark": "SELECT PERCENTILE_APPROX(amount, 0.5)",
+                "trino": "SELECT APPROX_PERCENTILE(amount, 0.5)",
+            },
+        )
         self.validate_all(
             "e'x'",
             write={
                 "mysql": "x",
             },
         )
-        self.validate_identity("""SELECT * FROM JSON_TO_RECORDSET(z) AS y("rank" INT)""")
-        self.validate_identity(
-            "SELECT SUM(x) OVER a, SUM(y) OVER b FROM c WINDOW a AS (PARTITION BY d), b AS (PARTITION BY e)"
-        )
-        self.validate_identity(
-            "CREATE TABLE A (LIKE B INCLUDING CONSTRAINT INCLUDING COMPRESSION EXCLUDING COMMENTS)"
-        )
-        self.validate_identity("x ~ 'y'")
-        self.validate_identity("x ~* 'y'")
-
         self.validate_all(
             "SELECT DATE_PART('isodow'::varchar(6), current_date)",
             write={
@@ -197,6 +206,33 @@ class TestPostgres(Validator):
                 "trino": "SEQUENCE(TRY_CAST('2019-01-01' AS TIMESTAMP), CAST(CURRENT_TIMESTAMP AS TIMESTAMP), INTERVAL '1' day)",
             },
         )
+        self.validate_all(
+            "GENERATE_SERIES(a, b)",
+            write={
+                "postgres": "GENERATE_SERIES(a, b)",
+                "presto": "SEQUENCE(a, b)",
+                "trino": "SEQUENCE(a, b)",
+                "tsql": "GENERATE_SERIES(a, b)",
+            },
+        )
+        self.validate_all(
+            "GENERATE_SERIES(a, b)",
+            read={
+                "postgres": "GENERATE_SERIES(a, b)",
+                "presto": "SEQUENCE(a, b)",
+                "trino": "SEQUENCE(a, b)",
+                "tsql": "GENERATE_SERIES(a, b)",
+            },
+        )
+        self.validate_all(
+            "SELECT * FROM t CROSS JOIN GENERATE_SERIES(2, 4)",
+            write={
+                "postgres": "SELECT * FROM t CROSS JOIN GENERATE_SERIES(2, 4)",
+                "presto": "SELECT * FROM t CROSS JOIN UNNEST(SEQUENCE(2, 4))",
+                "trino": "SELECT * FROM t CROSS JOIN UNNEST(SEQUENCE(2, 4))",
+                "tsql": "SELECT * FROM t CROSS JOIN GENERATE_SERIES(2, 4)",
+            },
+        )
         self.validate_all(
             "END WORK AND NO CHAIN",
             write={"postgres": "COMMIT AND NO CHAIN"},
@@ -464,6 +500,14 @@ class TestPostgres(Validator):
             },
         )
 
+        self.validate_all(
+            "x / y ^ z",
+            write={
+                "": "x / POWER(y, z)",
+                "postgres": "x / y ^ z",
+            },
+        )
+
         self.assertIsInstance(parse_one("id::UUID", read="postgres"), exp.TryCast)
 
     def test_bool_or(self):
diff --git a/tests/dialects/test_presto.py b/tests/dialects/test_presto.py
index 3080476..15962cc 100644
--- a/tests/dialects/test_presto.py
+++ b/tests/dialects/test_presto.py
@@ -6,6 +6,26 @@ class TestPresto(Validator):
     dialect = "presto"
 
     def test_cast(self):
+        self.validate_all(
+            "FROM_BASE64(x)",
+            read={
+                "hive": "UNBASE64(x)",
+            },
+            write={
+                "hive": "UNBASE64(x)",
+                "presto": "FROM_BASE64(x)",
+            },
+        )
+        self.validate_all(
+            "TO_BASE64(x)",
+            read={
+                "hive": "BASE64(x)",
+            },
+            write={
+                "hive": "BASE64(x)",
+                "presto": "TO_BASE64(x)",
+            },
+        )
         self.validate_all(
             "CAST(a AS ARRAY(INT))",
             write={
@@ -105,6 +125,13 @@ class TestPresto(Validator):
                 "spark": "SIZE(x)",
             },
         )
+        self.validate_all(
+            "ARRAY_JOIN(x, '-', 'a')",
+            write={
+                "hive": "CONCAT_WS('-', x)",
+                "spark": "ARRAY_JOIN(x, '-', 'a')",
+            },
+        )
 
     def test_interval_plural_to_singular(self):
         # Microseconds, weeks and quarters are not supported in Presto/Trino INTERVAL literals
@@ -133,6 +160,14 @@ class TestPresto(Validator):
         self.validate_identity("TRIM(a, b)")
         self.validate_identity("VAR_POP(a)")
 
+        self.validate_all(
+            "SELECT FROM_UNIXTIME(col) FROM tbl",
+            write={
+                "presto": "SELECT FROM_UNIXTIME(col) FROM tbl",
+                "spark": "SELECT CAST(FROM_UNIXTIME(col) AS TIMESTAMP) FROM tbl",
+                "trino": "SELECT FROM_UNIXTIME(col) FROM tbl",
+            },
+        )
         self.validate_all(
             "DATE_FORMAT(x, '%Y-%m-%d %H:%i:%S')",
             write={
@@ -181,7 +216,7 @@ class TestPresto(Validator):
                 "duckdb": "TO_TIMESTAMP(x)",
                 "presto": "FROM_UNIXTIME(x)",
                 "hive": "FROM_UNIXTIME(x)",
-                "spark": "FROM_UNIXTIME(x)",
+                "spark": "CAST(FROM_UNIXTIME(x) AS TIMESTAMP)",
             },
         )
         self.validate_all(
@@ -583,6 +618,14 @@ class TestPresto(Validator):
             },
         )
 
+        self.validate_all(
+            "JSON_FORMAT(JSON 'x')",
+            write={
+                "presto": "JSON_FORMAT(CAST('x' AS JSON))",
+                "spark": "TO_JSON('x')",
+            },
+        )
+
     def test_encode_decode(self):
         self.validate_all(
             "TO_UTF8(x)",
diff --git a/tests/dialects/test_redshift.py b/tests/dialects/test_redshift.py
index e5bd0e5..f75480e 100644
--- a/tests/dialects/test_redshift.py
+++ b/tests/dialects/test_redshift.py
@@ -101,7 +101,22 @@ class TestRedshift(Validator):
         self.validate_all(
             "SELECT DISTINCT ON (a) a, b FROM x ORDER BY c DESC",
             write={
+                "bigquery": "SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE `_row_number` = 1",
+                "databricks": "SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE `_row_number` = 1",
+                "drill": "SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE `_row_number` = 1",
+                "hive": "SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE `_row_number` = 1",
+                "mysql": "SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC) AS _row_number FROM x) WHERE `_row_number` = 1",
+                "oracle": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE "_row_number" = 1',
+                "presto": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE "_row_number" = 1',
                 "redshift": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC) AS _row_number FROM x) WHERE "_row_number" = 1',
+                "snowflake": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC) AS _row_number FROM x) WHERE "_row_number" = 1',
+                "spark": "SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE `_row_number` = 1",
+                "sqlite": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE "_row_number" = 1',
+                "starrocks": "SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC) AS _row_number FROM x) WHERE `_row_number` = 1",
+                "tableau": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE "_row_number" = 1',
+                "teradata": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE "_row_number" = 1',
+                "trino": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE "_row_number" = 1',
+                "tsql": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC NULLS FIRST) AS _row_number FROM x) WHERE "_row_number" = 1',
             },
         )
         self.validate_all(
diff --git a/tests/dialects/test_snowflake.py b/tests/dialects/test_snowflake.py
index 5c8b096..57ee235 100644
--- a/tests/dialects/test_snowflake.py
+++ b/tests/dialects/test_snowflake.py
@@ -227,7 +227,7 @@ class TestSnowflake(Validator):
             write={
                 "bigquery": "SELECT UNIX_TO_TIME(1659981729)",
                 "snowflake": "SELECT TO_TIMESTAMP(1659981729)",
-                "spark": "SELECT FROM_UNIXTIME(1659981729)",
+                "spark": "SELECT CAST(FROM_UNIXTIME(1659981729) AS TIMESTAMP)",
             },
         )
         self.validate_all(
@@ -243,7 +243,7 @@ class TestSnowflake(Validator):
             write={
                 "bigquery": "SELECT UNIX_TO_TIME('1659981729')",
                 "snowflake": "SELECT TO_TIMESTAMP('1659981729')",
-                "spark": "SELECT FROM_UNIXTIME('1659981729')",
+                "spark": "SELECT CAST(FROM_UNIXTIME('1659981729') AS TIMESTAMP)",
             },
         )
         self.validate_all(
@@ -401,7 +401,7 @@ class TestSnowflake(Validator):
         self.validate_all(
             r"SELECT FIRST_VALUE(TABLE1.COLUMN1 RESPECT NULLS) OVER (PARTITION BY RANDOM_COLUMN1, RANDOM_COLUMN2 ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS MY_ALIAS FROM TABLE1",
             write={
-                "snowflake": r"SELECT FIRST_VALUE(TABLE1.COLUMN1) OVER (PARTITION BY RANDOM_COLUMN1, RANDOM_COLUMN2 ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS MY_ALIAS FROM TABLE1"
+                "snowflake": r"SELECT FIRST_VALUE(TABLE1.COLUMN1 RESPECT NULLS) OVER (PARTITION BY RANDOM_COLUMN1, RANDOM_COLUMN2 ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS MY_ALIAS FROM TABLE1"
             },
         )
         self.validate_all(
@@ -426,29 +426,18 @@ class TestSnowflake(Validator):
     def test_sample(self):
         self.validate_identity("SELECT * FROM testtable TABLESAMPLE BERNOULLI (20.3)")
         self.validate_identity("SELECT * FROM testtable TABLESAMPLE (100)")
+        self.validate_identity("SELECT * FROM testtable TABLESAMPLE SYSTEM (3) SEED (82)")
+        self.validate_identity("SELECT * FROM testtable TABLESAMPLE (10 ROWS)")
+        self.validate_identity("SELECT * FROM testtable SAMPLE (10)")
+        self.validate_identity("SELECT * FROM testtable SAMPLE ROW (0)")
+        self.validate_identity("SELECT a FROM test SAMPLE BLOCK (0.5) SEED (42)")
         self.validate_identity(
             "SELECT i, j FROM table1 AS t1 INNER JOIN table2 AS t2 TABLESAMPLE (50) WHERE t2.j = t1.i"
         )
         self.validate_identity(
             "SELECT * FROM (SELECT * FROM t1 JOIN t2 ON t1.a = t2.c) TABLESAMPLE (1)"
         )
-        self.validate_identity("SELECT * FROM testtable TABLESAMPLE SYSTEM (3) SEED (82)")
-        self.validate_identity("SELECT * FROM testtable TABLESAMPLE (10 ROWS)")
 
-        self.validate_all(
-            "SELECT * FROM testtable SAMPLE (10)",
-            write={"snowflake": "SELECT * FROM testtable TABLESAMPLE (10)"},
-        )
-        self.validate_all(
-            "SELECT * FROM testtable SAMPLE ROW (0)",
-            write={"snowflake": "SELECT * FROM testtable TABLESAMPLE ROW (0)"},
-        )
-        self.validate_all(
-            "SELECT a FROM test SAMPLE BLOCK (0.5) SEED (42)",
-            write={
-                "snowflake": "SELECT a FROM test TABLESAMPLE BLOCK (0.5) SEED (42)",
-            },
-        )
         self.validate_all(
             """
             SELECT i, j
@@ -458,13 +447,13 @@ class TestSnowflake(Validator):
                      table2 AS t2 SAMPLE (50)     -- 50% of rows in table2
                 WHERE t2.j = t1.i""",
             write={
-                "snowflake": "SELECT i, j FROM table1 AS t1 TABLESAMPLE (25) /* 25% of rows in table1 */ INNER JOIN table2 AS t2 TABLESAMPLE (50) /* 50% of rows in table2 */ WHERE t2.j = t1.i",
+                "snowflake": "SELECT i, j FROM table1 AS t1 SAMPLE (25) /* 25% of rows in table1 */ INNER JOIN table2 AS t2 SAMPLE (50) /* 50% of rows in table2 */ WHERE t2.j = t1.i",
             },
         )
         self.validate_all(
             "SELECT * FROM testtable SAMPLE BLOCK (0.012) REPEATABLE (99992)",
             write={
-                "snowflake": "SELECT * FROM testtable TABLESAMPLE BLOCK (0.012) SEED (99992)",
+                "snowflake": "SELECT * FROM testtable SAMPLE BLOCK (0.012) SEED (99992)",
             },
         )
 
diff --git a/tests/dialects/test_spark.py b/tests/dialects/test_spark.py
index bfaed53..be03b4e 100644
--- a/tests/dialects/test_spark.py
+++ b/tests/dialects/test_spark.py
@@ -215,40 +215,45 @@ TBLPROPERTIES (
         self.validate_identity("SPLIT(str, pattern, lim)")
 
         self.validate_all(
-            "BOOLEAN(x)",
-            write={
-                "": "CAST(x AS BOOLEAN)",
-                "spark": "CAST(x AS BOOLEAN)",
+            "SELECT * FROM produce PIVOT(SUM(produce.sales) FOR quarter IN ('Q1', 'Q2'))",
+            read={
+                "snowflake": "SELECT * FROM produce PIVOT (SUM(produce.sales) FOR produce.quarter IN ('Q1', 'Q2'))",
             },
         )
         self.validate_all(
-            "INT(x)",
-            write={
-                "": "CAST(x AS INT)",
-                "spark": "CAST(x AS INT)",
-            },
-        )
-        self.validate_all(
-            "STRING(x)",
-            write={
-                "": "CAST(x AS TEXT)",
-                "spark": "CAST(x AS STRING)",
+            "SELECT * FROM produce AS p PIVOT(SUM(p.sales) AS sales FOR quarter IN ('Q1' AS Q1, 'Q2' AS Q1))",
+            read={
+                "bigquery": "SELECT * FROM produce AS p PIVOT(SUM(p.sales) AS sales FOR p.quarter IN ('Q1' AS Q1, 'Q2' AS Q1))",
             },
         )
         self.validate_all(
-            "DATE(x)",
+            "SELECT DATEDIFF(MONTH, '2020-01-01', '2020-03-05')",
             write={
-                "": "CAST(x AS DATE)",
-                "spark": "CAST(x AS DATE)",
+                "databricks": "SELECT DATEDIFF(MONTH, TO_DATE('2020-01-01'), TO_DATE('2020-03-05'))",
+                "hive": "SELECT MONTHS_BETWEEN(TO_DATE('2020-03-05'), TO_DATE('2020-01-01'))",
+                "presto": "SELECT DATE_DIFF('MONTH', CAST(SUBSTR(CAST('2020-01-01' AS VARCHAR), 1, 10) AS DATE), CAST(SUBSTR(CAST('2020-03-05' AS VARCHAR), 1, 10) AS DATE))",
+                "spark": "SELECT DATEDIFF(MONTH, TO_DATE('2020-01-01'), TO_DATE('2020-03-05'))",
+                "spark2": "SELECT MONTHS_BETWEEN(TO_DATE('2020-03-05'), TO_DATE('2020-01-01'))",
+                "trino": "SELECT DATE_DIFF('MONTH', CAST(SUBSTR(CAST('2020-01-01' AS VARCHAR), 1, 10) AS DATE), CAST(SUBSTR(CAST('2020-03-05' AS VARCHAR), 1, 10) AS DATE))",
             },
         )
+
+        for data_type in ("BOOLEAN", "DATE", "DOUBLE", "FLOAT", "INT", "TIMESTAMP"):
+            self.validate_all(
+                f"{data_type}(x)",
+                write={
+                    "": f"CAST(x AS {data_type})",
+                    "spark": f"CAST(x AS {data_type})",
+                },
+            )
         self.validate_all(
-            "TIMESTAMP(x)",
+            "STRING(x)",
             write={
-                "": "CAST(x AS TIMESTAMP)",
-                "spark": "CAST(x AS TIMESTAMP)",
+                "": "CAST(x AS TEXT)",
+                "spark": "CAST(x AS STRING)",
             },
         )
+
         self.validate_all(
             "CAST(x AS TIMESTAMP)", read={"trino": "CAST(x AS TIMESTAMP(6) WITH TIME ZONE)"}
         )
diff --git a/tests/dialects/test_starrocks.py b/tests/dialects/test_starrocks.py
index b33231c..96e20da 100644
--- a/tests/dialects/test_starrocks.py
+++ b/tests/dialects/test_starrocks.py
@@ -10,3 +10,11 @@ class TestMySQL(Validator):
 
     def test_time(self):
         self.validate_identity("TIMESTAMP('2022-01-01')")
+
+    def test_regex(self):
+        self.validate_all(
+            "SELECT REGEXP_LIKE(abc, '%foo%')",
+            write={
+                "starrocks": "SELECT REGEXP(abc, '%foo%')",
+            },
+        )
diff --git a/tests/dialects/test_tsql.py b/tests/dialects/test_tsql.py
index b6e893c..3a3ac73 100644
--- a/tests/dialects/test_tsql.py
+++ b/tests/dialects/test_tsql.py
@@ -485,26 +485,30 @@ WHERE
 
     def test_date_diff(self):
         self.validate_identity("SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')")
+
         self.validate_all(
             "SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')",
             write={
                 "tsql": "SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')",
-                "spark": "SELECT MONTHS_BETWEEN('2021/01/01', '2020/01/01') / 12",
+                "spark": "SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')",
+                "spark2": "SELECT MONTHS_BETWEEN('2021/01/01', '2020/01/01') / 12",
             },
         )
         self.validate_all(
             "SELECT DATEDIFF(mm, 'start','end')",
             write={
-                "spark": "SELECT MONTHS_BETWEEN('end', 'start')",
-                "tsql": "SELECT DATEDIFF(month, 'start', 'end')",
                 "databricks": "SELECT DATEDIFF(month, 'start', 'end')",
+                "spark2": "SELECT MONTHS_BETWEEN('end', 'start')",
+                "tsql": "SELECT DATEDIFF(month, 'start', 'end')",
             },
         )
         self.validate_all(
             "SELECT DATEDIFF(quarter, 'start', 'end')",
             write={
-                "spark": "SELECT MONTHS_BETWEEN('end', 'start') / 3",
                 "databricks": "SELECT DATEDIFF(quarter, 'start', 'end')",
+                "spark": "SELECT DATEDIFF(quarter, 'start', 'end')",
+                "spark2": "SELECT MONTHS_BETWEEN('end', 'start') / 3",
+                "tsql": "SELECT DATEDIFF(quarter, 'start', 'end')",
             },
         )
 
diff --git a/tests/fixtures/identity.sql b/tests/fixtures/identity.sql
index a08a7a8..ea695c9 100644
--- a/tests/fixtures/identity.sql
+++ b/tests/fixtures/identity.sql
@@ -85,6 +85,7 @@ x IS TRUE
 x IS FALSE
 x IS TRUE IS TRUE
 x LIKE y IS TRUE
+TRIM('a' || 'b')
 MAP()
 GREATEST(x)
 LEAST(y)
@@ -104,6 +105,7 @@ ARRAY(time, foo)
 ARRAY(foo, time)
 ARRAY(LENGTH(waiter_name) > 0)
 ARRAY_CONTAINS(x, 1)
+x.EXTRACT(1)
 EXTRACT(x FROM y)
 EXTRACT(DATE FROM y)
 EXTRACT(WEEK(monday) FROM created_at)
@@ -215,6 +217,7 @@ SELECT COUNT(DISTINCT a, b)
 SELECT COUNT(DISTINCT a, b + 1)
 SELECT SUM(DISTINCT x)
 SELECT SUM(x IGNORE NULLS) AS x
+SELECT COUNT(x RESPECT NULLS)
 SELECT TRUNCATE(a, b)
 SELECT ARRAY_AGG(DISTINCT x IGNORE NULLS ORDER BY a, b DESC LIMIT 10) AS x
 SELECT ARRAY_AGG(STRUCT(x, x AS y) ORDER BY z DESC) AS x
@@ -820,3 +823,6 @@ JSON_OBJECT('x': 1 RETURNING VARBINARY FORMAT JSON ENCODING UTF8)
 SELECT if.x
 SELECT NEXT VALUE FOR db.schema.sequence_name
 SELECT NEXT VALUE FOR db.schema.sequence_name OVER (ORDER BY foo), col
+SELECT PERCENTILE_CONT(x, 0.5) OVER ()
+SELECT PERCENTILE_CONT(x, 0.5 RESPECT NULLS) OVER ()
+SELECT PERCENTILE_CONT(x, 0.5 IGNORE NULLS) OVER ()
diff --git a/tests/fixtures/optimizer/qualify_columns.sql b/tests/fixtures/optimizer/qualify_columns.sql
index 3013bba..f077647 100644
--- a/tests/fixtures/optimizer/qualify_columns.sql
+++ b/tests/fixtures/optimizer/qualify_columns.sql
@@ -4,6 +4,9 @@
 SELECT a FROM x;
 SELECT x.a AS a FROM x AS x;
 
+SELECT "a" FROM x;
+SELECT x."a" AS "a" FROM x AS x;
+
 # execute: false
 SELECT a FROM zz GROUP BY a ORDER BY a;
 SELECT zz.a AS a FROM zz AS zz GROUP BY zz.a ORDER BY a;
@@ -212,6 +215,10 @@ SELECT x.a AS a FROM x AS x WHERE x.b IN (SELECT x.b AS b FROM y AS x);
 SELECT a FROM x AS i WHERE b IN (SELECT b FROM y AS j WHERE j.b IN (SELECT c FROM y AS k WHERE k.b = j.b));
 SELECT i.a AS a FROM x AS i WHERE i.b IN (SELECT j.b AS b FROM y AS j WHERE j.b IN (SELECT k.c AS c FROM y AS k WHERE k.b = j.b));
 
+# execute: false
+SELECT (SELECT n.a FROM n WHERE n.id = m.id) FROM m AS m;
+SELECT (SELECT n.a AS a FROM n AS n WHERE n.id = m.id) AS _col_0 FROM m AS m;
+
 --------------------------------------
 -- Expand *
 --------------------------------------
diff --git a/tests/fixtures/optimizer/qualify_tables.sql b/tests/fixtures/optimizer/qualify_tables.sql
index 2cea85d..0ad155a 100644
--- a/tests/fixtures/optimizer/qualify_tables.sql
+++ b/tests/fixtures/optimizer/qualify_tables.sql
@@ -15,3 +15,26 @@ WITH a AS (SELECT 1 FROM c.db.z AS z) SELECT 1 FROM a;
 
 SELECT (SELECT y.c FROM y AS y) FROM x;
 SELECT (SELECT y.c FROM c.db.y AS y) FROM c.db.x AS x;
+
+-------------------------
+-- Expand join constructs
+-------------------------
+
+-- This is valid in Trino, so we treat the (tbl AS tbl) as a "join construct" per postgres' terminology.
+SELECT * FROM (tbl AS tbl) AS _q_0;
+SELECT * FROM (SELECT * FROM c.db.tbl AS tbl) AS _q_0;
+
+SELECT * FROM ((tbl AS tbl)) AS _q_0;
+SELECT * FROM (SELECT * FROM c.db.tbl AS tbl) AS _q_0;
+
+SELECT * FROM (((tbl AS tbl))) AS _q_0;
+SELECT * FROM (SELECT * FROM c.db.tbl AS tbl) AS _q_0;
+
+SELECT * FROM (tbl1 AS tbl1 JOIN tbl2 AS tbl2 ON id1 = id2 JOIN tbl3 AS tbl3 ON id1 = id3) AS _q_0;
+SELECT * FROM (SELECT * FROM c.db.tbl1 AS tbl1 JOIN c.db.tbl2 AS tbl2 ON id1 = id2 JOIN c.db.tbl3 AS tbl3 ON id1 = id3) AS _q_0;
+
+SELECT * FROM ((tbl1 AS tbl1 JOIN tbl2 AS tbl2 ON id1 = id2 JOIN tbl3 AS tbl3 ON id1 = id3)) AS _q_0;
+SELECT * FROM (SELECT * FROM c.db.tbl1 AS tbl1 JOIN c.db.tbl2 AS tbl2 ON id1 = id2 JOIN c.db.tbl3 AS tbl3 ON id1 = id3) AS _q_0;
+
+SELECT * FROM (tbl1 AS tbl1 JOIN (tbl2 AS tbl2 JOIN tbl3 AS tbl3 ON id2 = id3) AS _q_0 ON id1 = id3) AS _q_1;
+SELECT * FROM (SELECT * FROM c.db.tbl1 AS tbl1 JOIN (SELECT * FROM c.db.tbl2 AS tbl2 JOIN c.db.tbl3 AS tbl3 ON id2 = id3) AS _q_0 ON id1 = id3) AS _q_1;
diff --git a/tests/fixtures/optimizer/tpc-ds/tpc-ds.sql b/tests/fixtures/optimizer/tpc-ds/tpc-ds.sql
index 9168508..9908756 100644
--- a/tests/fixtures/optimizer/tpc-ds/tpc-ds.sql
+++ b/tests/fixtures/optimizer/tpc-ds/tpc-ds.sql
@@ -6385,6 +6385,14 @@ WITH "tmp1" AS (
       "item"."i_brand" IN ('amalgimporto #1', 'edu packscholar #1', 'exportiimporto #1', 'importoamalg #1')
       OR "item"."i_class" IN ('personal', 'portable', 'reference', 'self-help')
     )
+    AND (
+      "item"."i_brand" IN ('scholaramalgamalg #14', 'scholaramalgamalg #7', 'exportiunivamalg #9', 'scholaramalgamalg #9')
+      OR "item"."i_category" IN ('Women', 'Music', 'Men')
+    )
+    AND (
+      "item"."i_brand" IN ('scholaramalgamalg #14', 'scholaramalgamalg #7', 'exportiunivamalg #9', 'scholaramalgamalg #9')
+      OR "item"."i_class" IN ('accessories', 'classical', 'fragrances', 'pants')
+    )
     AND (
       "item"."i_category" IN ('Books', 'Children', 'Electronics')
       OR "item"."i_category" IN ('Women', 'Music', 'Men')
@@ -7589,6 +7597,14 @@ WITH "tmp1" AS (
       "item"."i_brand" IN ('amalgimporto #1', 'edu packscholar #1', 'exportiimporto #1', 'importoamalg #1')
       OR "item"."i_class" IN ('personal', 'portable', 'reference', 'self-help')
     )
+    AND (
+      "item"."i_brand" IN ('scholaramalgamalg #14', 'scholaramalgamalg #7', 'exportiunivamalg #9', 'scholaramalgamalg #9')
+      OR "item"."i_category" IN ('Women', 'Music', 'Men')
+    )
+    AND (
+      "item"."i_brand" IN ('scholaramalgamalg #14', 'scholaramalgamalg #7', 'exportiunivamalg #9', 'scholaramalgamalg #9')
+      OR "item"."i_class" IN ('accessories', 'classical', 'fragrances', 'pants')
+    )
     AND (
       "item"."i_category" IN ('Books', 'Children', 'Electronics')
       OR "item"."i_category" IN ('Women', 'Music', 'Men')
diff --git a/tests/test_build.py b/tests/test_build.py
index c4b97ce..509b857 100644
--- a/tests/test_build.py
+++ b/tests/test_build.py
@@ -19,6 +19,11 @@ from sqlglot import (
 class TestBuild(unittest.TestCase):
     def test_build(self):
         x = condition("x")
+        x_plus_one = x + 1
+
+        # Make sure we're not mutating x by changing its parent to be x_plus_one
+        self.assertIsNone(x.parent)
+        self.assertNotEqual(id(x_plus_one.this), id(x))
 
         for expression, sql, *dialect in [
             (lambda: x + 1, "x + 1"),
@@ -51,6 +56,7 @@ class TestBuild(unittest.TestCase):
             (lambda: x.neq(1), "x <> 1"),
             (lambda: x.isin(1, "2"), "x IN (1, '2')"),
             (lambda: x.isin(query="select 1"), "x IN (SELECT 1)"),
+            (lambda: x.between(1, 2), "x BETWEEN 1 AND 2"),
             (lambda: 1 + x + 2 + 3, "1 + x + 2 + 3"),
             (lambda: 1 + x * 2 + 3, "1 + (x * 2) + 3"),
             (lambda: x * 1 * 2 + 3, "(x * 1 * 2) + 3"),
@@ -137,10 +143,14 @@ class TestBuild(unittest.TestCase):
                 "SELECT x, y, z, a FROM tbl GROUP BY x, y, z, a",
             ),
             (
-                lambda: select("x").distinct(True).from_("tbl"),
+                lambda: select("x").distinct("a", "b").from_("tbl"),
+                "SELECT DISTINCT ON (a, b) x FROM tbl",
+            ),
+            (
+                lambda: select("x").distinct(distinct=True).from_("tbl"),
                 "SELECT DISTINCT x FROM tbl",
             ),
-            (lambda: select("x").distinct(False).from_("tbl"), "SELECT x FROM tbl"),
+            (lambda: select("x").distinct(distinct=False).from_("tbl"), "SELECT x FROM tbl"),
             (
                 lambda: select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl"),
                 "SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z",
@@ -583,6 +593,11 @@ class TestBuild(unittest.TestCase):
                 "DELETE FROM tbl WHERE x = 1 RETURNING *",
                 "postgres",
             ),
+            (
+                lambda: exp.convert((exp.column("x"), exp.column("y"))).isin((1, 2), (3, 4)),
+                "(x, y) IN ((1, 2), (3, 4))",
+                "postgres",
+            ),
         ]:
             with self.subTest(sql):
                 self.assertEqual(expression().sql(dialect[0] if dialect else None), sql)
diff --git a/tests/test_expressions.py b/tests/test_expressions.py
index eb0cf56..e7588b5 100644
--- a/tests/test_expressions.py
+++ b/tests/test_expressions.py
@@ -297,6 +297,9 @@ class TestExpressions(unittest.TestCase):
         expression = parse_one("SELECT a, b FROM x")
         self.assertEqual([s.sql() for s in expression.selects], ["a", "b"])
 
+        expression = parse_one("(SELECT a, b FROM x)")
+        self.assertEqual([s.sql() for s in expression.selects], ["a", "b"])
+
     def test_alias_column_names(self):
         expression = parse_one("SELECT * FROM (SELECT * FROM x) AS y")
         subquery = expression.find(exp.Subquery)
@@ -761,7 +764,7 @@ FROM foo""",
                 "t",
                 {"a": exp.DataType.build("TEXT"), "b": exp.DataType.build("TEXT")},
             ).sql(),
-            "(VALUES (CAST(1 AS TEXT), CAST(2 AS TEXT)), (3, 4)) AS t(a, b)",
+            "(VALUES (1, 2), (3, 4)) AS t(a, b)",
         )
         with self.assertRaises(ValueError):
             exp.values([(1, 2), (3, 4)], columns=["a"])
diff --git a/tests/test_optimizer.py b/tests/test_optimizer.py
index d077570..423cb84 100644
--- a/tests/test_optimizer.py
+++ b/tests/test_optimizer.py
@@ -47,6 +47,7 @@ class TestOptimizer(unittest.TestCase):
 
     @classmethod
     def setUpClass(cls):
+        sqlglot.schema = MappingSchema()
         cls.conn = duckdb.connect()
         cls.conn.execute(
             """
@@ -221,6 +222,12 @@ class TestOptimizer(unittest.TestCase):
         self.check_file("pushdown_predicates", optimizer.pushdown_predicates.pushdown_predicates)
 
     def test_expand_laterals(self):
+        # check order of lateral expansion with no schema
+        self.assertEqual(
+            optimizer.optimize("SELECT a + 1 AS d, d + 1 AS e FROM x " "").sql(),
+            'SELECT "x"."a" + 1 AS "d", "x"."a" + 2 AS "e" FROM "x" AS "x"',
+        )
+
         self.check_file(
             "expand_laterals",
             optimizer.expand_laterals.expand_laterals,
@@ -612,6 +619,12 @@ FROM READ_CSV('tests/fixtures/optimizer/tpc-h/nation.csv.gz', 'delimiter', '|')
         expression = annotate_types(parse_one("CONCAT('A', 'B')"))
         self.assertEqual(expression.type.this, exp.DataType.Type.VARCHAR)
 
+    def test_root_subquery_annotation(self):
+        expression = annotate_types(parse_one("(SELECT 1, 2 FROM x) LIMIT 0"))
+        self.assertIsInstance(expression, exp.Subquery)
+        self.assertEqual(exp.DataType.Type.INT, expression.selects[0].type.this)
+        self.assertEqual(exp.DataType.Type.INT, expression.selects[1].type.this)
+
     def test_recursive_cte(self):
         query = parse_one(
             """
diff --git a/tests/test_tokens.py b/tests/test_tokens.py
index 987c60b..f70d70e 100644
--- a/tests/test_tokens.py
+++ b/tests/test_tokens.py
@@ -102,3 +102,14 @@ x"""
                 (TokenType.SEMICOLON, ";"),
             ],
         )
+
+        tokens = tokenizer.tokenize("""'{{ var('x') }}'""")
+        tokens = [(token.token_type, token.text) for token in tokens]
+        self.assertEqual(
+            tokens,
+            [
+                (TokenType.STRING, "{{ var("),
+                (TokenType.VAR, "x"),
+                (TokenType.STRING, ") }}"),
+            ],
+        )
diff --git a/tests/test_transpile.py b/tests/test_transpile.py
index d68f6f8..ad8ec72 100644
--- a/tests/test_transpile.py
+++ b/tests/test_transpile.py
@@ -263,6 +263,18 @@ FROM v""",
             "(/* 1 */ 1 ) /* 2 */",
             "(1) /* 1 */ /* 2 */",
         )
+        self.validate(
+            "select * from t where not a in (23) /*test*/ and b in (14)",
+            "SELECT * FROM t WHERE NOT a IN (23) /* test */ AND b IN (14)",
+        )
+        self.validate(
+            "select * from t where a in (23) /*test*/ and b in (14)",
+            "SELECT * FROM t WHERE a IN (23) /* test */ AND b IN (14)",
+        )
+        self.validate(
+            "select * from t where ((condition = 1)/*test*/)",
+            "SELECT * FROM t WHERE ((condition = 1) /* test */)",
+        )
 
     def test_types(self):
         self.validate("INT 1", "CAST(1 AS INT)")
@@ -324,9 +336,6 @@ FROM v""",
         )
         self.validate("SELECT IF(a > 1, 1) FROM foo", "SELECT CASE WHEN a > 1 THEN 1 END FROM foo")
 
-    def test_ignore_nulls(self):
-        self.validate("SELECT COUNT(x RESPECT NULLS)", "SELECT COUNT(x)")
-
     def test_with(self):
         self.validate(
             "WITH a AS (SELECT 1) WITH b AS (SELECT 2) SELECT *",
@@ -482,7 +491,7 @@ FROM v""",
         self.validate("UNIX_TO_STR(123, 'y')", "FROM_UNIXTIME(123, 'y')", write="spark")
         self.validate(
             "UNIX_TO_TIME(123)",
-            "FROM_UNIXTIME(123)",
+            "CAST(FROM_UNIXTIME(123) AS TIMESTAMP)",
             write="spark",
         )
         self.validate(
-- 
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